{"gene":"NLRP12","run_date":"2026-06-10T05:19:52","timeline":{"discoveries":[{"year":2002,"finding":"NLRP12 (PYPAF7) co-expression with ASC recruits NLRP12 to distinct cytoplasmic loci and synergistically activates NF-κB; co-expression of NLRP12 and ASC also synergistically activates caspase-1 and increases IL-1β secretion, identifying pro-caspase-1 as a binding partner of ASC in this pathway.","method":"Mammalian two-hybrid screen, co-expression assays in cell lines, NF-κB reporter assay, caspase-1 activity assay","journal":"The Journal of biological chemistry","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — reciprocal interaction assays, NF-κB reporter, caspase-1 activity, single lab with multiple orthogonal methods","pmids":["12019269"],"is_preprint":false},{"year":2003,"finding":"Monarch-1/NLRP12 is expressed in cells of myeloid-monocytic origin and enhances nonclassical and classical MHC class I expression at the promoter, RNA, and protein levels, as determined by siRNA knockdown and Affymetrix microarray analysis.","method":"siRNA knockdown, Affymetrix microarrays, promoter assays","journal":"Journal of immunology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — siRNA functional knockdown with multiple readouts (promoter, RNA, protein), single lab","pmids":["12759408"],"is_preprint":false},{"year":2005,"finding":"Monarch-1/NLRP12 acts as a negative regulator of TLR (TLR2/TLR4) and TNF receptor signaling by associating with IRAK-1 (but not MyD88) and blocking IRAK-1 hyperphosphorylation; it reduces NFκB activation downstream of MyD88, IRAK-1, TRAF6, TRAF2, and RIP1 but not the NFκB subunit p65. siRNA knockdown in myeloid cells dramatically increased NFκB activation and cytokine expression.","method":"Co-immunoprecipitation, siRNA knockdown, NFκB reporter assay, phosphorylation analysis","journal":"The Journal of biological chemistry","confidence":"High","confidence_rationale":"Tier 2 / Strong — co-IP identifying IRAK-1 as binding partner, siRNA functional knockdown, NFκB reporter, phosphorylation assay; replicated mechanistic finding across multiple methods in focused study","pmids":["16203735"],"is_preprint":false},{"year":2007,"finding":"Monarch-1/NLRP12 inhibits the non-canonical NF-κB pathway in human monocytes by associating with NF-κB-inducing kinase (NIK) and inducing its proteasome-mediated degradation; shRNA silencing of Monarch-1 enhances p52-dependent chemokine expression.","method":"Co-immunoprecipitation, shRNA knockdown, proteasome inhibitor assay, NFκB reporter, chemokine expression analysis","journal":"Journal of immunology","confidence":"High","confidence_rationale":"Tier 2 / Strong — reciprocal Co-IP with NIK, proteasome inhibitor validation, shRNA knockdown with defined chemokine phenotype, multiple orthogonal methods","pmids":["17237370"],"is_preprint":false},{"year":2007,"finding":"Purified NLRP12 specifically binds ATP and exhibits ATPase activity dependent on intact Walker A/B motifs. These motifs are required for NLRP12 self-oligomerization, TLR/CD40L-activated association with NIK and IRAK-1, NIK degradation, and inhibition of IRAK-1 phosphorylation; Walker A/B mutants behave equivalently to shRNA-silenced cells in promoting proinflammatory cytokine production.","method":"In vitro biochemical ATP binding assay, ATPase assay with purified protein, site-directed mutagenesis of Walker A/B motifs, Co-IP, THP-1 stable expression","journal":"Molecular and cellular biology","confidence":"High","confidence_rationale":"Tier 1 / Strong — in vitro biochemical reconstitution with purified protein, mutagenesis, and functional validation in cells; single rigorous paper with multiple orthogonal methods","pmids":["18160710"],"is_preprint":false},{"year":2007,"finding":"Hsp90 associates with Monarch-1/NLRP12 in human monocytes, and this association is required for NLRP12 stability and its ability to promote NIK degradation. Hsp90 inhibitor treatment disrupts NLRP12-Hsp90 complexes, leading to rapid proteasomal degradation of NLRP12 and preventing NIK proteolysis.","method":"2D gel/mass spectrometry, Co-IP, Hsp90 inhibitor treatment, proteasome inhibitor assay","journal":"Journal of immunology","confidence":"High","confidence_rationale":"Tier 1–2 / Moderate — MS-identified interaction, Co-IP validation, chemical inhibitor dissection with functional readout; multiple orthogonal methods in single focused study","pmids":["17947705"],"is_preprint":false},{"year":2009,"finding":"Blimp-1/PRDM1 binds the NLRP12 promoter and reduces NLRP12 promoter activity, mRNA expression, and histone H3 acetylation in a TLR-inducible manner. Blimp-1-deficient murine myeloid cells have higher NLRP12 gene expression, confirming that Blimp-1 is a transcriptional repressor of NLRP12.","method":"Promoter reporter assay, ChIP, siRNA/Blimp-1-KO murine cells, RT-PCR, western blot","journal":"Journal of immunology","confidence":"High","confidence_rationale":"Tier 2 / Strong — ChIP demonstrating direct promoter occupancy, genetic KO validation, multiple orthogonal methods including reporter assay","pmids":["19234190"],"is_preprint":false},{"year":2010,"finding":"NLRP12 is required for dendritic cell (DC) and neutrophil migration competence; Nlrp12-deficient mice show attenuated contact hypersensitivity and Nlrp12-/- DCs have significantly reduced capacity to migrate to draining lymph nodes. Both DCs and neutrophils fail to respond to chemokines in vitro, indicating NLRP12 maintains cells in a migration-competent state.","method":"Nlrp12-/- mouse model, in vivo DC migration assay, in vitro chemotaxis assay, contact hypersensitivity model","journal":"Journal of immunology","confidence":"High","confidence_rationale":"Tier 2 / Moderate — genetic KO with defined migration phenotype in vivo and in vitro, multiple cell types and assays","pmids":["20861349"],"is_preprint":false},{"year":2011,"finding":"The NMR structure of the NLRP12 pyrin domain (PYD) reveals a six-helical bundle death domain fold. In vitro NMR interaction studies identified a non-homotypic PYD interaction between NLRP12 PYD and the UBA domain of pro-apoptotic FAF-1, with all interaction residues confined to the α2–α3 surface; tryptophan 45 is critical for this interaction.","method":"NMR structure determination, NMR chemical shift perturbation assays for protein interaction, mutagenesis","journal":"Journal of molecular biology","confidence":"High","confidence_rationale":"Tier 1 / Moderate — NMR structure with in vitro validated protein-protein interaction and mutagenesis, single lab rigorous study","pmids":["21978668"],"is_preprint":false},{"year":2011,"finding":"The NLRP12 R352C missense mutation (in the nucleotide-binding site) does not alter NLRP12 inhibition of NF-κB activation but increases speck formation and activates caspase-1 signaling in HEK293T cells stably expressing ASC and procaspase-1, indicating a gain-of-function specifically for inflammasome assembly.","method":"Cell-based caspase-1 activity assay, ASC speck formation assay, NF-κB luciferase reporter, HEK293T stable expression","journal":"Arthritis and rheumatism","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — functional assays in human cell line with mutant vs. WT comparison, multiple readouts, single lab","pmids":["21538323"],"is_preprint":false},{"year":2012,"finding":"NLRP12 negatively regulates the non-canonical NF-κB pathway by interacting with both NIK and TRAF3; Nlrp12-/- cells show constitutively elevated NIK, increased p100-to-p52 processing, and reduced TRAF3 levels. NLRP12 also negatively regulates ERK and AKT signaling in colonic tumor tissue.","method":"Co-immunoprecipitation (NIK and TRAF3), Nlrp12-/- mouse model, western blot for signaling intermediates, tumor tissue analysis","journal":"Immunity","confidence":"High","confidence_rationale":"Tier 2 / Strong — reciprocal Co-IP with two binding partners (NIK and TRAF3), genetic KO with quantified signaling intermediates, replicated across multiple labs","pmids":["22503542"],"is_preprint":false},{"year":2011,"finding":"NLRP12 deficiency in macrophages leads to failure to dampen NF-κB and ERK activation, resulting in increased production of inflammatory cytokines and chemokines; this underlies enhanced colon inflammation and colorectal tumorigenesis in Nlrp12-/- mice.","method":"Nlrp12-/- mouse model, macrophage NF-κB/ERK signaling analysis, cytokine profiling, colitis and tumorigenesis models","journal":"Cancer cell","confidence":"High","confidence_rationale":"Tier 2 / Strong — genetic KO with defined cellular and molecular phenotype, independently replicated finding (also PMID:22503542)","pmids":["22094258"],"is_preprint":false},{"year":2014,"finding":"NLRP12 mediates inflammasome-dependent caspase-1 activation during Plasmodium infection in a manner dependent on ASC, P2X7R, NLRP3, and/or NLRP12; NLRP12-containing pyroptosomes were identified in monocytes from malaria patients, and NLRP12/NLRP3-dependent caspase-1 activation drives IL-1β production and hypersensitivity to secondary bacterial infection.","method":"Mouse infection model (Plasmodium), caspase-1 activation assay, ASC-speck/pyroptosome immunofluorescence in patient monocytes, genetic KO analysis","journal":"PLoS pathogens","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — mouse KO and human patient monocyte data, inflammasome complex visualization, multiple orthogonal methods; single study","pmids":["24453977"],"is_preprint":false},{"year":2013,"finding":"During Salmonella infection, NLRP12 acts as a negative regulator by suppressing NF-κB (via IκBα phosphorylation) and ERK activation in macrophages, thereby down-regulating proinflammatory and antimicrobial molecules; NLRP12-deficient mice are highly resistant to S. typhimurium infection due to enhanced host immune signaling.","method":"Nlrp12-/- mouse infection model, macrophage NF-κB/ERK phosphorylation analysis, bacterial burden assay","journal":"PNAS","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO with defined signaling phenotype in macrophages, in vivo infection model, single lab","pmids":["24347638"],"is_preprint":false},{"year":2015,"finding":"NLRP12 negatively regulates T-cell-mediated immunity by suppressing NF-κB regulation and IL-4 production in CD4+ T cells; transfer of Nlrp12-/- CD4+CD45RBhi T cells into immunodeficient mice causes more severe colitis and atopic dermatitis, and enhanced IL-4 in Nlrp12-/- T cells promotes atypical EAE.","method":"T cell adoptive transfer, Nlrp12-/- mouse model, intracellular cytokine staining, EAE model","journal":"Immunity","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — adoptive transfer experiments establishing T-cell-intrinsic function, defined cytokine mechanism (IL-4), single lab","pmids":["25888258"],"is_preprint":false},{"year":2015,"finding":"NLRP12 suppresses the non-canonical NF-κB pathway in osteoclast precursors; retroviral overexpression of NLRP12 suppresses RelB nuclear translocation and osteoclast formation, while Nlrp12-/- cells show enhanced NIK stabilization and RelB nuclear translocation. In vivo, NLRP12 deficiency leads to increased osteoclast numbers and significant decline in bone mass.","method":"Retroviral overexpression, Nlrp12-/- mouse model, radiation chimera, RelB nuclear translocation assay, RANKL stimulation, bone mass measurement","journal":"PNAS","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO plus overexpression with defined signaling phenotype, in vivo bone phenotype, single lab","pmids":["26240332"],"is_preprint":false},{"year":2016,"finding":"A missense mutation (p.D294E) in the NLRP12 ATP-binding site (NACHT domain) does not alter inhibitory activity on NF-κB (as tested in HEK293 cells) but accelerates PAMP-induced IL-1β secretion kinetics and causes elevated ROS production in patient monocytes.","method":"HEK293 NF-κB luciferase reporter, patient monocyte IL-1β ELISA, ROS assay","journal":"Arthritis and rheumatism","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — direct functional assay of mutant protein in cells with multiple readouts, patient cells validation, single lab","pmids":["21360512"],"is_preprint":false},{"year":2018,"finding":"The NLRP12 nucleotide-binding domain interacts with TRIM25 to prevent TRIM25-mediated Lys63-linked ubiquitination and activation of RIG-I; NLRP12 also enhances RNF125-mediated Lys48-linked degradative ubiquitination of RIG-I, thereby dampening RIG-I-MAVS anti-viral signaling.","method":"Co-immunoprecipitation, ubiquitination assays (K63 and K48 linkage), NLRP12 domain mapping, Nlrp12-/- myeloid-specific mouse model","journal":"Cell host & microbe","confidence":"High","confidence_rationale":"Tier 2 / Strong — reciprocal Co-IP identifying TRIM25 as binding partner, two distinct ubiquitination mechanism assays (K63/K48), domain mapping, in vivo validation with myeloid-specific KO","pmids":["30902577"],"is_preprint":false},{"year":2018,"finding":"NLRP12 promotes K48-linked ubiquitination and proteasomal degradation of NOD2 in response to muramyl dipeptide (MDP), an interaction mediated by the linker region proximal to the NLRP12 nucleotide-binding domain; NLRP12 also sequesters HSP90 as part of this mechanism. The disease-associated NLRP12 R284X truncation mutant fails to repress MDP-induced NF-κB and JAK/STAT signaling.","method":"Co-immunoprecipitation, ubiquitination assay (K48-linkage), domain mapping (linker region), NOD2 degradation assay, Nlrp12-/- mouse model, JAK/STAT and NF-κB signaling analysis","journal":"Nature communications","confidence":"High","confidence_rationale":"Tier 2 / Strong — Co-IP with domain mapping, K48 ubiquitination assay, mutant vs. WT comparison, in vivo validation; multiple orthogonal methods","pmids":["30559449"],"is_preprint":false},{"year":2018,"finding":"Crystal structure of human NLRP12 PYD domain at 1.70 Å resolution (as MBP fusion) reveals that the PYD forms a dimeric configuration through a disulfide bond, potentially relevant to ROS-induced NF-κB activation.","method":"X-ray crystallography","journal":"PloS one","confidence":"Medium","confidence_rationale":"Tier 1 / Weak — crystal structure determined but functional validation of the dimer is not confirmed experimentally in this paper; single lab","pmids":["29293680"],"is_preprint":false},{"year":2019,"finding":"NLRP12 negatively regulates JNK activation in hepatocytes; Nlrp12-/- mice show higher JNK activation during HCC development, and JNK inhibition or NLRP12 overexpression reduced proliferative and inflammatory responses in Nlrp12-/- hepatocytes. Antibiotic treatment abolishes tumorigenesis in Nlrp12-/- livers, implicating microbiota.","method":"Nlrp12-/- mouse HCC model (diethylnitrosamine), JNK phosphorylation analysis, NLRP12 overexpression in hepatocytes, JNK inhibitor treatment, antibiotic treatment","journal":"eLife","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO with signaling analysis, overexpression rescue, pharmacological inhibitor, single lab with multiple orthogonal approaches","pmids":["30990169"],"is_preprint":false},{"year":2020,"finding":"NLRP12 negatively regulates IL-6-induced STAT3 phosphorylation in T cells, thereby inhibiting Th17 cell differentiation; NLRP12-/- T cells show markedly increased Th17 differentiation under skewing conditions, and STAT3 inhibition abrogates hyperinflammatory arthritis in Nlrp12-/- mice.","method":"Nlrp12-/- T cell differentiation assay, STAT3 phosphorylation western blot, adoptive transfer, anti-IL-17A neutralization, pharmacological STAT3 inhibition in vivo","journal":"FASEB journal","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — KO functional phenotype with defined signaling intermediate (STAT3), pharmacological rescue, adoptive transfer; single lab","pmids":["32632939"],"is_preprint":false},{"year":2021,"finding":"SARS-CoV-2 NSP5 (3CLpro) directly cleaves NLRP12 in vitro; a cognate cleavage motif is absent in mouse NLRP12, explaining species differences. This cleavage mechanism may contribute to enhanced cytokine production in COVID-19.","method":"In vitro cleavage assay with recombinant NSP5 protease and NLRP12 substrate, comparative sequence alignment of NLRP12 homologs","journal":"Emerging microbes & infections","confidence":"Medium","confidence_rationale":"Tier 1 / Weak — in vitro biochemical cleavage assay, single lab, limited functional follow-up","pmids":["33372854"],"is_preprint":false},{"year":2023,"finding":"NLRP12 functions as a cytosolic sensor that drives inflammasome formation and PANoptosome activation in response to heme plus PAMPs or TNF. TLR2/4-mediated signaling through IRF1 induces Nlrp12 expression. The NLRP12 inflammasome induces IL-1β and IL-18 maturation, and also serves as an integral component of a larger PANoptosome complex driving caspase-8/RIPK3-dependent inflammatory cell death (PANoptosis). Deletion of Nlrp12 protected mice from acute kidney injury in a hemolytic model.","method":"Nlrp12-/- mouse model, IRF1-/- and TLR2/4-/- genetic analysis, western blot for PANoptosome components (caspase-8, RIPK3), cytokine ELISA, live cell imaging, hemolytic in vivo model","journal":"Cell","confidence":"High","confidence_rationale":"Tier 2 / Strong — multiple genetic KO models, in vivo protection assay, defined signaling pathway from TLR-IRF1 to NLRP12-PANoptosome, multiple orthogonal mechanistic methods in a rigorous study","pmids":["37267949"],"is_preprint":false},{"year":2023,"finding":"NLRP12 interacts with STK38 kinase to inhibit GSK3β phosphorylation, leading to β-catenin degradation and suppression of the Wnt/β-catenin pathway in intestinal epithelial cells; Nlrp12-/- intestinal organoids and CRC cells show increased β-catenin activation and proliferation.","method":"Proteomic interaction studies (Co-IP/MS identifying STK38), Nlrp12 conditional KO mice, intestinal organoids, western blot for GSK3β phosphorylation and β-catenin, human/mouse tumor tissue analysis","journal":"The Journal of clinical investigation","confidence":"High","confidence_rationale":"Tier 2 / Strong — proteomic identification of STK38 partner, conditional KO, organoid model, defined signaling axis (NLRP12/STK38/GSK3β/β-catenin), multiple orthogonal methods","pmids":["37581937"],"is_preprint":false},{"year":2023,"finding":"IRF1 acts as an upstream transcriptional inducer of NLRP12 expression and contributes to NLRP12-PANoptosome activation and PANoptosis; IRF1 deficiency impairs NLRP12-PANoptosome-driven cell death but is dispensable for inflammasomes that drive pyroptosis independently of the PANoptosome.","method":"IRF1-/- primary murine macrophages, live cell imaging, western blot for PANoptosome components, ELISA","journal":"The Journal of biological chemistry","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO with defined functional phenotype, multiple readouts, single lab","pmids":["37557956"],"is_preprint":false},{"year":2024,"finding":"Wild-type NLRP12 physically interacts with NLRP3 and inhibits ASC inflammasome assembly induced by wild-type and gain-of-function mutant NLRP3 in human (but not murine) cells. NLRP12 itself does not nucleate ASC polymerization. Disease-associated NLRP12 mutants lose this inhibitory capacity, and PBMCs from NLRP12-mutant patients produce increased IL-1β in response to NLRP3 stimulation.","method":"ASC polymerization reconstitution screen, Co-IP between NLRP12 and NLRP3, patient PBMC IL-1β assay, murine vs. human NLRP3 comparison","journal":"Science signaling","confidence":"High","confidence_rationale":"Tier 1–2 / Strong — reconstitution screen, direct Co-IP, mutant vs. WT functional comparison, patient cell validation; multiple orthogonal methods in one rigorous study","pmids":["38261657"],"is_preprint":false},{"year":2024,"finding":"NLRP12 interacts with TRIM25 via its nucleotide-binding domain to compete for binding to HK2, preventing TRIM25-mediated K63-linked ubiquitination of HK2 and protecting HK2 from autophagosome-lysosome degradation, thereby stabilizing HK2 and promoting glycolysis and H3K18 lactylation in gastric cancer cells.","method":"Co-IP (NLRP12-TRIM25-HK2 complex), ubiquitination assay (K63-linkage), lysosome inhibitor assay, NLRP12 overexpression/knockdown","journal":"Cell death & disease","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — Co-IP identifying ternary complex, K63 ubiquitination assay, lysosomal degradation pathway, single lab","pmids":["40796546"],"is_preprint":false},{"year":2025,"finding":"Hematopoietic cell kinase (HCK) is a regulator of NLRP12-mediated PANoptosis; HCK expression is upregulated by NLRP12-PANoptosome triggers, Hck knockdown inhibits NLRP12-PANoptosis, and computational modeling plus in vitro binding assays suggest HCK interacts with NLRP12 in the region between its NACHT domain and PYD; removal of the PYD domain abrogated this interaction.","method":"HCK knockdown, live cell imaging for PANoptosis, computational interaction modeling, in vitro domain deletion binding assay","journal":"PNAS","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — knockdown with defined functional phenotype, in vitro domain mapping; computational component lowers confidence; single lab","pmids":["40408404"],"is_preprint":false},{"year":2024,"finding":"Full-length NLRP12 forms an inflammasome in vitro; its PYD domain activates caspase-1 to induce IL-1β cleavage and GSDMD cleavage in reconstitution assays. NLRP12 is specifically expressed in neutrophils and eosinophils (not macrophages), and several patient NLRP12 mutations cause spontaneous caspase-1 activation in vitro.","method":"Inflammasome reconstitution assay (in vitro), caspase-1 and GSDMD cleavage assay, cell type expression profiling, patient mutation functional testing","journal":"Frontiers in immunology","confidence":"Medium","confidence_rationale":"Tier 1 / Moderate — in vitro reconstitution with caspase-1/GSDMD readouts, patient mutation functional assay; single lab","pmids":["39076995"],"is_preprint":false},{"year":2024,"finding":"NLRP12 interacts with GP2a (a PRRSV glycoprotein) via its LRR domain and recruits the E3 ubiquitin ligase MARCH8 via its PYD domain, facilitating K48-linked polyubiquitination of GP2a at K128 and lysosomal degradation of GP2a via the MARCH8-NDP52 pathway, thereby inhibiting PRRSV replication.","method":"Co-immunoprecipitation, domain deletion mapping (LRR and PYD), K48 ubiquitination assay, lysosome degradation assay, NLRP12 overexpression/silencing","journal":"Veterinary microbiology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — Co-IP with domain mapping, K48 ubiquitination and lysosomal pathway assays; porcine virus model (ortholog context for functional mechanism); single lab","pmids":["39362085"],"is_preprint":false},{"year":2016,"finding":"A C57BL/6J-specific missense mutation in Nlrp12 causes defective macrophage CXCL1 production; the neutrophil recruitment defect in C57BL/6J mice is rescued by restoration of macrophage NLRP12, establishing a macrophage-cell-autonomous role for NLRP12 in chemokine-driven neutrophil recruitment.","method":"Nlrp12 missense mutation identification, bone marrow chimera/macrophage reconstitution, CXCL1 ELISA, neutrophil migration assay","journal":"Nature communications","confidence":"High","confidence_rationale":"Tier 2 / Strong — macrophage-specific rescue experiment establishes cell-autonomous mechanism, natural mutation variant confirms causality, multiple in vivo and in vitro methods","pmids":["27779193"],"is_preprint":false},{"year":2023,"finding":"NLRP12 acts as an innate immune checkpoint suppressing IFN-I production; RUNX1-dependent epigenetic regulation transcriptionally suppresses NLRP12 expression under IFN-I stimulation, creating a negative feedback loop. Reduced NLRP12 in SLE monocytes is linked to spontaneous innate immune signaling activation and hyperresponsiveness to nucleic acid stimulation.","method":"RUNX1 ChIP, NLRP12 promoter analysis, Nlrp12-/- lupus-prone mouse model, pristane model, monocyte signaling assays, autoantibody and kidney function measurements","journal":"The Journal of clinical investigation","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — ChIP for epigenetic regulation, genetic KO in disease model, patient monocyte analysis; single lab","pmids":["36719379"],"is_preprint":false},{"year":2018,"finding":"NLRP12 promotes neutrophil differentiation through non-canonical NF-κB signaling: NLRP12 inhibits ERK1/2 activity, relieving ERK1/2-mediated suppression of NIK protein levels, thereby enhancing NIK stabilization and RelB nuclear translocation to drive neutrophil differentiation.","method":"Nlrp12-/- cells, genome-wide RNA-seq, ERK1/2 and NIK phosphorylation/protein-level assays, RelB nuclear translocation assay","journal":"International journal of biological sciences","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO with defined signaling pathway, RNA-seq, multiple signaling readouts; single lab","pmids":["29483833"],"is_preprint":false},{"year":2019,"finding":"NLRP12 deficiency results in elevated RANKL-induced IκB-α degradation and p65 phosphorylation in preosteoclasts, and NLRP12-/- preosteoclasts show higher RANKL-induced osteoclastogenesis, which is synergistically amplified by IL-1β and TNF-α, demonstrating that NLRP12 negatively regulates NF-κB during osteoclastogenesis.","method":"Nlrp12-/- mouse model, RANKL stimulation, western blot for IκB-α and p65, TRAP staining, micro-CT bone analysis","journal":"Journal of dental research","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO with in vitro and in vivo osteoclast functional readouts and defined NF-κB signaling intermediate; single lab","pmids":["30681895"],"is_preprint":false},{"year":2024,"finding":"In retinal vascular endothelial cells, decreased AIP1 promotes assembly of a noncanonical NLRP12-ASC-caspase-8 inflammasome complex, which drives GSDMD-dependent endothelial pyroptosis, VEGF and IL-1β release, and pathological ocular angiogenesis. Suppression of the NLRP12-CASP8-GSDMD axis reduces VEGF signaling and new vessel formation.","method":"scRNA-seq (AIP1 identification), genetic deletion of GSDMD and NLRP12, Co-IP for inflammasome complex, western blot for caspase-8/GSDMD cleavage, OIR mouse model","journal":"Advanced science","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic KO phenotype, Co-IP for complex, defined effector pathway; single lab","pmids":["39527457"],"is_preprint":false}],"current_model":"NLRP12 is a multifunctional cytosolic NLR protein that acts primarily as a negative regulator of inflammatory signaling by binding and promoting proteasomal degradation of NIK (thereby suppressing non-canonical NF-κB), blocking IRAK-1 hyperphosphorylation (suppressing canonical TLR/TNFR NF-κB), interacting with TRIM25 to prevent K63-ubiquitination and activation of RIG-I, and engaging STK38 to inhibit GSK3β phosphorylation and Wnt/β-catenin signaling; its ATP-binding/hydrolysis activity (Walker A/B motifs in the NACHT domain) and Hsp90 chaperone association are essential for these inhibitory functions. Conversely, in certain contexts (heme plus PAMPs, specific infections), NLRP12 assembles an inflammasome/PANoptosome with ASC and caspase-8/RIPK3 to drive IL-1β/IL-18 maturation and PANoptosis, a process induced upstream by TLR-IRF1 signaling; NLRP12 also directly inhibits human NLRP3 inflammasome assembly by physically interacting with NLRP3, and its pyrin domain structure (six-helical bundle) mediates non-homotypic interactions with FAF-1. NLRP12 expression is transcriptionally suppressed by Blimp-1/PRDM1 downstream of TLR activation, and the protein is directly cleaved by SARS-CoV-2 NSP5."},"narrative":{"mechanistic_narrative":"NLRP12 (Monarch-1/PYPAF7) is a cytosolic NLR protein of myeloid-monocytic origin that functions predominantly as a negative regulator of inflammatory signaling, restraining both canonical and non-canonical NF-κB as well as MAPK pathways to limit inflammation and tumorigenesis [PMID:16203735, PMID:22503542, PMID:22094258]. It dampens canonical TLR2/4 and TNFR signaling by associating with IRAK-1 and blocking its hyperphosphorylation [PMID:16203735], and suppresses the non-canonical pathway by binding NIK and TRAF3 to drive proteasomal degradation of NIK, thereby limiting p100-to-p52 processing [PMID:17237370, PMID:22503542]. These inhibitory activities depend on intact Walker A/B motifs in the NACHT domain, which support ATP binding/hydrolysis and self-oligomerization, and on Hsp90, which stabilizes NLRP12 and enables NIK degradation [PMID:18160710, PMID:17947705]. NLRP12 additionally restrains innate antiviral and nucleotide-sensing pathways by interacting with TRIM25 via its nucleotide-binding domain to block K63-ubiquitination of RIG-I and by promoting K48-linked degradation of NOD2 [PMID:30902577, PMID:30559449], and it suppresses Wnt/β-catenin signaling through an STK38–GSK3β–β-catenin axis in intestinal epithelium [PMID:37581937]. Loss of NLRP12 in mice produces unchecked NF-κB/ERK signaling, colon inflammation and colorectal tumorigenesis, dysregulated osteoclastogenesis and bone loss, and aberrant T-cell responses, establishing its broad anti-inflammatory and tumor-suppressive role [PMID:22503542, PMID:22094258, PMID:26240332, PMID:32632939]. In specific contexts NLRP12 instead acts as a pro-inflammatory sensor: triggered by heme plus PAMPs or TNF and induced upstream by TLR–IRF1 signaling, it assembles an inflammasome and a larger caspase-8/RIPK3 PANoptosome that drives IL-1β/IL-18 maturation and PANoptosis [PMID:37267949, PMID:37557956]. In human cells NLRP12 also directly binds NLRP3 to inhibit ASC-dependent NLRP3 inflammasome assembly, and disease-associated NLRP12 mutations abolish this restraint, increasing IL-1β production in patient cells [PMID:38261657]. Structural work defines the NLRP12 pyrin domain as a six-helical death-domain bundle that mediates a non-homotypic interaction with FAF-1 [PMID:21978668].","teleology":[{"year":2002,"claim":"Established NLRP12 as an ASC-interacting NLR capable of engaging the caspase-1/NF-κB machinery, placing it within inflammatory signaling complexes.","evidence":"Mammalian two-hybrid and co-expression assays with NF-κB reporter and caspase-1 activity readouts","pmids":["12019269"],"confidence":"Medium","gaps":["Did not define whether NLRP12 is a positive or negative regulator in primary cells","Overexpression-based, no endogenous validation"]},{"year":2003,"claim":"Identified NLRP12 as a myeloid-restricted gene regulating MHC class I expression, defining its expression niche.","evidence":"siRNA knockdown with microarray and promoter analysis in myeloid cells","pmids":["12759408"],"confidence":"Medium","gaps":["Mechanism linking NLRP12 to MHC promoters not resolved","Single lab"]},{"year":2005,"claim":"Reframed NLRP12 as a negative regulator of canonical TLR/TNFR NF-κB signaling, identifying IRAK-1 as the target of inhibition.","evidence":"Co-IP, siRNA knockdown, NF-κB reporter and phosphorylation assays in myeloid cells","pmids":["16203735"],"confidence":"High","gaps":["Did not establish how IRAK-1 phosphorylation is blocked biochemically","Did not address non-canonical pathway"]},{"year":2007,"claim":"Defined the non-canonical NF-κB target: NLRP12 binds NIK and drives its proteasomal degradation, with Hsp90 required for NLRP12 stability and ATPase activity required for function.","evidence":"Reciprocal Co-IP with NIK, proteasome/Hsp90 inhibitor dissection, shRNA, and in vitro ATP binding/ATPase assays with Walker A/B mutants","pmids":["17237370","17947705","18160710"],"confidence":"High","gaps":["Identity of the E3 ligase mediating NIK degradation not defined","How ATP hydrolysis couples to partner engagement not resolved"]},{"year":2009,"claim":"Identified transcriptional control of NLRP12, showing Blimp-1/PRDM1 represses its expression downstream of TLR activation.","evidence":"ChIP, promoter reporter, RT-PCR, and Blimp-1-KO murine myeloid cells","pmids":["19234190"],"confidence":"High","gaps":["Did not connect repression to a downstream inflammatory outcome in vivo","Other regulators of NLRP12 transcription not surveyed"]},{"year":2011,"claim":"Provided structural definition of the NLRP12 pyrin domain and a non-homotypic protein interaction, broadening its interactome beyond classical PYD-PYD partners.","evidence":"NMR structure of PYD with chemical-shift-mapped FAF-1 UBA interaction and W45 mutagenesis","pmids":["21978668"],"confidence":"High","gaps":["Functional consequence of the FAF-1 interaction not established","No full-length protein structure"]},{"year":2011,"claim":"Demonstrated in vivo that NLRP12 restrains macrophage NF-κB/ERK to suppress colon inflammation and colorectal tumorigenesis, establishing tumor-suppressor function.","evidence":"Nlrp12-/- mouse colitis and tumorigenesis models with macrophage signaling/cytokine profiling","pmids":["22094258"],"confidence":"High","gaps":["Did not pinpoint the molecular node bridging NLRP12 loss to ERK activation"]},{"year":2011,"claim":"Showed that disease-associated NLRP12 mutations can be gain-of-function for inflammasome assembly while leaving NF-κB inhibition intact, separating the protein's two activities.","evidence":"R352C mutant caspase-1/ASC-speck and NF-κB reporter assays in HEK293T; D294E mutant patient monocyte IL-1β/ROS assays","pmids":["21538323","21360512"],"confidence":"Medium","gaps":["Structural basis of mutant inflammasome gain-of-function unresolved","Reconstituted cell-line readouts may not reflect endogenous neutrophil context"]},{"year":2012,"claim":"Confirmed and extended the non-canonical NF-κB mechanism, adding TRAF3 to the NIK-regulatory module and linking NLRP12 loss to ERK/AKT dysregulation in tumors.","evidence":"Reciprocal Co-IP (NIK, TRAF3) and Nlrp12-/- mice with quantified p100-to-p52 processing","pmids":["22503542"],"confidence":"High","gaps":["Order of assembly within the NLRP12-NIK-TRAF3 module not defined"]},{"year":2010,"claim":"Revealed a cell-biological role beyond signaling: NLRP12 maintains dendritic cell and neutrophil migration competence, later traced to macrophage-autonomous CXCL1 production.","evidence":"Nlrp12-/- in vivo migration and chemotaxis assays; macrophage-specific rescue of a natural Nlrp12 missense mutation restoring neutrophil recruitment","pmids":["20861349","27779193"],"confidence":"High","gaps":["Molecular link between NLRP12 and chemokine responsiveness incompletely defined"]},{"year":2015,"claim":"Extended NLRP12's negative regulation across tissues and lineages — osteoclast precursors, CD4+ T cells, and neutrophil differentiation — via non-canonical NF-κB, STAT3, and IL-4 control.","evidence":"Nlrp12-/- and overexpression models with RelB translocation, T-cell adoptive transfer, EAE, RANKL osteoclastogenesis, and RNA-seq/ERK-NIK signaling analyses","pmids":["26240332","25888258","29483833","30681895","32632939"],"confidence":"Medium","gaps":["Whether direct NLRP12 binding or indirect signaling underlies each lineage phenotype not uniformly resolved","Context-dependence of NIK stabilization vs degradation unexplained"]},{"year":2013,"claim":"Established NLRP12 as a context-dependent restraint on antimicrobial responses, dampening NF-κB/ERK during Salmonella infection while contributing to inflammasome activation in Plasmodium infection.","evidence":"Nlrp12-/- infection models with macrophage signaling, bacterial burden, and patient monocyte pyroptosome imaging","pmids":["24347638","24453977"],"confidence":"Medium","gaps":["What dictates the switch between inhibitory and inflammasome roles per pathogen unknown","Single-study findings per pathogen"]},{"year":2018,"claim":"Defined NLRP12 control of innate nucleotide sensing: it blocks TRIM25-mediated K63-ubiquitination of RIG-I and promotes K48-linked degradation of NOD2, dampening antiviral and MDP-driven inflammation.","evidence":"Co-IP with domain mapping, K63/K48 ubiquitination assays, and myeloid-specific Nlrp12-/- mice; R284X truncation loses NOD2 repression","pmids":["30902577","30559449"],"confidence":"High","gaps":["How NLRP12 redirects ubiquitin-ligase activity mechanistically not resolved","Whether RIG-I and NOD2 regulation occur in the same cells unaddressed"]},{"year":2018,"claim":"Provided a crystal structure of the human NLRP12 PYD revealing a disulfide-linked dimer potentially relevant to redox-sensitive signaling.","evidence":"X-ray crystallography of MBP-fusion PYD at 1.70 Å","pmids":["29293680"],"confidence":"Medium","gaps":["Functional relevance of the disulfide dimer not experimentally validated","No full-length structure"]},{"year":2019,"claim":"Linked NLRP12 to JNK control and microbiota-dependent hepatocarcinogenesis, reinforcing tumor-suppressor function in a third organ.","evidence":"Nlrp12-/- HCC model with JNK inhibition, NLRP12 overexpression rescue, and antibiotic treatment","pmids":["30990169"],"confidence":"Medium","gaps":["Direct molecular target linking NLRP12 to JNK not identified","Microbiota mechanism only indirectly implicated"]},{"year":2021,"claim":"Identified a viral subversion mechanism: SARS-CoV-2 NSP5 protease directly cleaves human NLRP12, with the cleavage site absent in mouse, offering a species-specific route to dysregulated cytokine production.","evidence":"In vitro cleavage assay with recombinant NSP5 and sequence alignment of homologs","pmids":["33372854"],"confidence":"Medium","gaps":["Functional consequence of cleavage in infected cells not demonstrated","No in vivo validation"]},{"year":2023,"claim":"Established NLRP12 as a bona fide cytosolic sensor that, under heme-plus-PAMP or TNF triggers and IRF1-driven induction, nucleates an inflammasome and a caspase-8/RIPK3 PANoptosome driving IL-1β/IL-18 maturation and PANoptosis.","evidence":"Multiple genetic KO models (Nlrp12, Irf1, Tlr2/4), PANoptosome component blots, live imaging, and a hemolytic acute kidney injury model","pmids":["37267949","37557956"],"confidence":"High","gaps":["Direct ligand/sensing event upstream of assembly not biochemically defined","How the same protein switches between inhibitory and PANoptosome roles unresolved"]},{"year":2023,"claim":"Identified an STK38-dependent mechanism by which NLRP12 suppresses Wnt/β-catenin signaling, providing a molecular basis for its intestinal tumor-suppressor role.","evidence":"Co-IP/MS identifying STK38, conditional KO mice, intestinal organoids, and GSK3β/β-catenin signaling analysis","pmids":["37581937"],"confidence":"High","gaps":["How NLRP12 engages STK38 structurally not defined","Integration with NLRP12's NF-κB roles in epithelium unclear"]},{"year":2024,"claim":"Demonstrated direct, species-specific inhibition of the NLRP3 inflammasome by NLRP12 binding NLRP3, with disease-associated mutants losing restraint — a unifying model for NLRP12-associated autoinflammation.","evidence":"ASC polymerization reconstitution screen, Co-IP, mutant comparisons, and patient PBMC IL-1β assays in human vs murine cells","pmids":["38261657"],"confidence":"High","gaps":["Structural basis of the NLRP12-NLRP3 interface unresolved","Why inhibition is human-specific not explained"]},{"year":2024,"claim":"Extended NLRP12's regulatory repertoire to metabolism and additional inflammasome contexts — stabilizing HK2 to promote glycolysis, supporting a noncanonical NLRP12-ASC-caspase-8 axis in endothelial pyroptosis, and acting as a reconstitution-competent inflammasome in granulocytes.","evidence":"Co-IP of NLRP12-TRIM25-HK2 with ubiquitination/lysosome assays, AIP1-dependent endothelial inflammasome with GSDMD/NLRP12 KO, and in vitro inflammasome reconstitution with cell-type expression profiling","pmids":["40796546","39527457","39076995"],"confidence":"Medium","gaps":["Generality of the HK2/glycolysis role beyond gastric cancer unknown","Reconciliation of NLRP12 expression in neutrophils/eosinophils vs macrophages across studies needed"]},{"year":2024,"claim":"Identified additional NLRP12 partners regulating its pro-death and antiviral functions — HCK as a PANoptosis regulator and an LRR/PYD-dependent recruitment of MARCH8 to degrade a viral glycoprotein.","evidence":"HCK knockdown with PANoptosis imaging and computational/domain-deletion binding; Co-IP with LRR/PYD domain mapping and K48 ubiquitination assays for GP2a degradation","pmids":["40408404","39362085"],"confidence":"Medium","gaps":["HCK-NLRP12 interaction relies partly on computational modeling","GP2a finding is in a porcine virus/ortholog context"]},{"year":2023,"claim":"Positioned NLRP12 as an innate immune checkpoint on type I IFN, with RUNX1-dependent epigenetic suppression creating a feedback loop relevant to lupus.","evidence":"RUNX1 ChIP, NLRP12 promoter analysis, Nlrp12-/- lupus-prone and pristane models, and SLE monocyte signaling","pmids":["36719379"],"confidence":"Medium","gaps":["Direct molecular target of NLRP12 in IFN-I suppression not defined","Single lab"]},{"year":null,"claim":"It remains unresolved what molecular switch determines whether NLRP12 acts as an inhibitor of NF-κB/inflammasome signaling or assembles its own inflammasome/PANoptosome, and no full-length structure explains how its NACHT, PYD, and LRR domains integrate ATP hydrolysis, partner binding, and oligomerization across these opposing modes.","evidence":"","pmids":[],"confidence":"Medium","gaps":["No full-length NLRP12 structure","Direct ligand sensing event for inflammasome assembly undefined","Context determinants (cell type, stimulus, species) of dual function not unified"]}],"mechanism_profile":{"molecular_activity":[{"term_id":"GO:0140657","term_label":"ATP-dependent activity","supporting_discovery_ids":[4]},{"term_id":"GO:0098772","term_label":"molecular function regulator activity","supporting_discovery_ids":[2,3,10,17,18,26]},{"term_id":"GO:0140299","term_label":"molecular sensor activity","supporting_discovery_ids":[23]},{"term_id":"GO:0060089","term_label":"molecular transducer activity","supporting_discovery_ids":[23,29]}],"localization":[{"term_id":"GO:0005829","term_label":"cytosol","supporting_discovery_ids":[0,23]}],"pathway":[{"term_id":"R-HSA-168256","term_label":"Immune System","supporting_discovery_ids":[2,3,17,23,26]},{"term_id":"R-HSA-162582","term_label":"Signal Transduction","supporting_discovery_ids":[2,10,24]},{"term_id":"R-HSA-5357801","term_label":"Programmed Cell Death","supporting_discovery_ids":[23,35]},{"term_id":"R-HSA-1643685","term_label":"Disease","supporting_discovery_ids":[11,26,32]}],"complexes":["NLRP12 inflammasome","NLRP12-PANoptosome"],"partners":["NIK","TRAF3","IRAK1","TRIM25","NLRP3","STK38","ASC","HSP90"],"other_free_text":[]}},"prefetch_data":{"uniprot":{"accession":"P59046","full_name":"NACHT, LRR and PYD domains-containing protein 12","aliases":["Monarch-1","PYRIN-containing APAF1-like protein 7","Regulated by nitric oxide"],"length_aa":1061,"mass_kda":120.2,"function":"Plays an essential role as an potent mitigator of inflammation (PubMed:30559449). Primarily expressed in dendritic cells and macrophages, inhibits both canonical and non-canonical NF-kappa-B and ERK activation pathways (PubMed:15489334, PubMed:17947705). Functions as a negative regulator of NOD2 by targeting it to degradation via the proteasome pathway (PubMed:30559449). In turn, promotes bacterial tolerance (PubMed:30559449). Also inhibits the RIGI-mediated immune signaling against RNA viruses by reducing the E3 ubiquitin ligase TRIM25-mediated 'Lys-63'-linked RIGI activation but enhancing the E3 ubiquitin ligase RNF125-mediated 'Lys-48'-linked RIGI degradation (PubMed:30902577). Also acts as a negative regulator of inflammatory response to mitigate obesity and obesity-associated diseases in adipose tissue (By similarity)","subcellular_location":"Cytoplasm","url":"https://www.uniprot.org/uniprotkb/P59046/entry"},"depmap":{"release":"DepMap","has_data":true,"is_common_essential":false,"resolved_as":"","url":"https://depmap.org/portal/gene/NLRP12","classification":"Not Classified","n_dependent_lines":1,"n_total_lines":1208,"dependency_fraction":0.0008278145695364238},"opencell":{"profiled":false,"resolved_as":"","ensg_id":"","cell_line_id":"","localizations":[],"interactors":[],"url":"https://opencell.sf.czbiohub.org/search/NLRP12","total_profiled":1310},"omim":[{"mim_id":"611762","title":"FAMILIAL COLD AUTOINFLAMMATORY SYNDROME 2; FCAS2","url":"https://www.omim.org/entry/611762"},{"mim_id":"609648","title":"NLR FAMILY, PYRIN DOMAIN-CONTAINING 12; NLRP12","url":"https://www.omim.org/entry/609648"},{"mim_id":"604416","title":"PYOGENIC STERILE ARTHRITIS, PYODERMA GANGRENOSUM, AND ACNE; PAPA","url":"https://www.omim.org/entry/604416"},{"mim_id":"120100","title":"FAMILIAL COLD AUTOINFLAMMATORY SYNDROME 1; FCAS1","url":"https://www.omim.org/entry/120100"}],"hpa":{"profiled":true,"resolved_as":"","reliability":"","locations":[],"tissue_specificity":"Tissue enhanced","tissue_distribution":"Detected in some","driving_tissues":[{"tissue":"bone marrow","ntpm":5.7},{"tissue":"lymphoid tissue","ntpm":4.2}],"url":"https://www.proteinatlas.org/search/NLRP12"},"hgnc":{"alias_symbol":["RNO2","PYPAF7","Monarch1","PAN6","CLR19.3"],"prev_symbol":["NALP12"]},"alphafold":{"accession":"P59046","domains":[{"cath_id":"1.10.533.10","chopping":"2-81","consensus_level":"high","plddt":73.849,"start":2,"end":81},{"cath_id":"3.40.50.300","chopping":"128-365","consensus_level":"high","plddt":76.9591,"start":128,"end":365},{"cath_id":"-","chopping":"369-415","consensus_level":"high","plddt":81.0917,"start":369,"end":415},{"cath_id":"-","chopping":"429-440_459-603","consensus_level":"medium","plddt":75.7415,"start":429,"end":603},{"cath_id":"3.80.10.10","chopping":"892-1061","consensus_level":"medium","plddt":95.6205,"start":892,"end":1061}],"viewer_url":"https://alphafold.ebi.ac.uk/entry/P59046","model_url":"https://alphafold.ebi.ac.uk/files/AF-P59046-F1-model_v6.cif","pae_url":"https://alphafold.ebi.ac.uk/files/AF-P59046-F1-predicted_aligned_error_v6.png","plddt_mean":80.94},"mouse_models":{"mgi_url":"https://www.informatics.jax.org/marker/summary?nomen=NLRP12","jax_strain_url":"https://www.jax.org/strain/search?query=NLRP12"},"sequence":{"accession":"P59046","fasta_url":"https://rest.uniprot.org/uniprotkb/P59046.fasta","uniprot_url":"https://www.uniprot.org/uniprotkb/P59046/entry","alphafold_viewer_url":"https://alphafold.ebi.ac.uk/entry/P59046"}},"corpus_meta":[{"pmid":"22503542","id":"PMC_22503542","title":"NLRP12 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assays in cell lines, NF-κB reporter assay, caspase-1 activity assay\",\n      \"journal\": \"The Journal of biological chemistry\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — reciprocal interaction assays, NF-κB reporter, caspase-1 activity, single lab with multiple orthogonal methods\",\n      \"pmids\": [\"12019269\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2003,\n      \"finding\": \"Monarch-1/NLRP12 is expressed in cells of myeloid-monocytic origin and enhances nonclassical and classical MHC class I expression at the promoter, RNA, and protein levels, as determined by siRNA knockdown and Affymetrix microarray analysis.\",\n      \"method\": \"siRNA knockdown, Affymetrix microarrays, promoter assays\",\n      \"journal\": \"Journal of immunology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — siRNA functional knockdown with multiple readouts (promoter, RNA, protein), single lab\",\n      \"pmids\": [\"12759408\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2005,\n      \"finding\": \"Monarch-1/NLRP12 acts as a negative regulator of TLR (TLR2/TLR4) and TNF receptor signaling by associating with IRAK-1 (but not MyD88) and blocking IRAK-1 hyperphosphorylation; it reduces NFκB activation downstream of MyD88, IRAK-1, TRAF6, TRAF2, and RIP1 but not the NFκB subunit p65. siRNA knockdown in myeloid cells dramatically increased NFκB activation and cytokine expression.\",\n      \"method\": \"Co-immunoprecipitation, siRNA knockdown, NFκB reporter assay, phosphorylation analysis\",\n      \"journal\": \"The Journal of biological chemistry\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — co-IP identifying IRAK-1 as binding partner, siRNA functional knockdown, NFκB reporter, phosphorylation assay; replicated mechanistic finding across multiple methods in focused study\",\n      \"pmids\": [\"16203735\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2007,\n      \"finding\": \"Monarch-1/NLRP12 inhibits the non-canonical NF-κB pathway in human monocytes by associating with NF-κB-inducing kinase (NIK) and inducing its proteasome-mediated degradation; shRNA silencing of Monarch-1 enhances p52-dependent chemokine expression.\",\n      \"method\": \"Co-immunoprecipitation, shRNA knockdown, proteasome inhibitor assay, NFκB reporter, chemokine expression analysis\",\n      \"journal\": \"Journal of immunology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — reciprocal Co-IP with NIK, proteasome inhibitor validation, shRNA knockdown with defined chemokine phenotype, multiple orthogonal methods\",\n      \"pmids\": [\"17237370\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2007,\n      \"finding\": \"Purified NLRP12 specifically binds ATP and exhibits ATPase activity dependent on intact Walker A/B motifs. These motifs are required for NLRP12 self-oligomerization, TLR/CD40L-activated association with NIK and IRAK-1, NIK degradation, and inhibition of IRAK-1 phosphorylation; Walker A/B mutants behave equivalently to shRNA-silenced cells in promoting proinflammatory cytokine production.\",\n      \"method\": \"In vitro biochemical ATP binding assay, ATPase assay with purified protein, site-directed mutagenesis of Walker A/B motifs, Co-IP, THP-1 stable expression\",\n      \"journal\": \"Molecular and cellular biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Strong — in vitro biochemical reconstitution with purified protein, mutagenesis, and functional validation in cells; single rigorous paper with multiple orthogonal methods\",\n      \"pmids\": [\"18160710\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2007,\n      \"finding\": \"Hsp90 associates with Monarch-1/NLRP12 in human monocytes, and this association is required for NLRP12 stability and its ability to promote NIK degradation. Hsp90 inhibitor treatment disrupts NLRP12-Hsp90 complexes, leading to rapid proteasomal degradation of NLRP12 and preventing NIK proteolysis.\",\n      \"method\": \"2D gel/mass spectrometry, Co-IP, Hsp90 inhibitor treatment, proteasome inhibitor assay\",\n      \"journal\": \"Journal of immunology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1–2 / Moderate — MS-identified interaction, Co-IP validation, chemical inhibitor dissection with functional readout; multiple orthogonal methods in single focused study\",\n      \"pmids\": [\"17947705\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2009,\n      \"finding\": \"Blimp-1/PRDM1 binds the NLRP12 promoter and reduces NLRP12 promoter activity, mRNA expression, and histone H3 acetylation in a TLR-inducible manner. Blimp-1-deficient murine myeloid cells have higher NLRP12 gene expression, confirming that Blimp-1 is a transcriptional repressor of NLRP12.\",\n      \"method\": \"Promoter reporter assay, ChIP, siRNA/Blimp-1-KO murine cells, RT-PCR, western blot\",\n      \"journal\": \"Journal of immunology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — ChIP demonstrating direct promoter occupancy, genetic KO validation, multiple orthogonal methods including reporter assay\",\n      \"pmids\": [\"19234190\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2010,\n      \"finding\": \"NLRP12 is required for dendritic cell (DC) and neutrophil migration competence; Nlrp12-deficient mice show attenuated contact hypersensitivity and Nlrp12-/- DCs have significantly reduced capacity to migrate to draining lymph nodes. Both DCs and neutrophils fail to respond to chemokines in vitro, indicating NLRP12 maintains cells in a migration-competent state.\",\n      \"method\": \"Nlrp12-/- mouse model, in vivo DC migration assay, in vitro chemotaxis assay, contact hypersensitivity model\",\n      \"journal\": \"Journal of immunology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO with defined migration phenotype in vivo and in vitro, multiple cell types and assays\",\n      \"pmids\": [\"20861349\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"The NMR structure of the NLRP12 pyrin domain (PYD) reveals a six-helical bundle death domain fold. In vitro NMR interaction studies identified a non-homotypic PYD interaction between NLRP12 PYD and the UBA domain of pro-apoptotic FAF-1, with all interaction residues confined to the α2–α3 surface; tryptophan 45 is critical for this interaction.\",\n      \"method\": \"NMR structure determination, NMR chemical shift perturbation assays for protein interaction, mutagenesis\",\n      \"journal\": \"Journal of molecular biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Moderate — NMR structure with in vitro validated protein-protein interaction and mutagenesis, single lab rigorous study\",\n      \"pmids\": [\"21978668\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"The NLRP12 R352C missense mutation (in the nucleotide-binding site) does not alter NLRP12 inhibition of NF-κB activation but increases speck formation and activates caspase-1 signaling in HEK293T cells stably expressing ASC and procaspase-1, indicating a gain-of-function specifically for inflammasome assembly.\",\n      \"method\": \"Cell-based caspase-1 activity assay, ASC speck formation assay, NF-κB luciferase reporter, HEK293T stable expression\",\n      \"journal\": \"Arthritis and rheumatism\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — functional assays in human cell line with mutant vs. WT comparison, multiple readouts, single lab\",\n      \"pmids\": [\"21538323\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2012,\n      \"finding\": \"NLRP12 negatively regulates the non-canonical NF-κB pathway by interacting with both NIK and TRAF3; Nlrp12-/- cells show constitutively elevated NIK, increased p100-to-p52 processing, and reduced TRAF3 levels. NLRP12 also negatively regulates ERK and AKT signaling in colonic tumor tissue.\",\n      \"method\": \"Co-immunoprecipitation (NIK and TRAF3), Nlrp12-/- mouse model, western blot for signaling intermediates, tumor tissue analysis\",\n      \"journal\": \"Immunity\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — reciprocal Co-IP with two binding partners (NIK and TRAF3), genetic KO with quantified signaling intermediates, replicated across multiple labs\",\n      \"pmids\": [\"22503542\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"NLRP12 deficiency in macrophages leads to failure to dampen NF-κB and ERK activation, resulting in increased production of inflammatory cytokines and chemokines; this underlies enhanced colon inflammation and colorectal tumorigenesis in Nlrp12-/- mice.\",\n      \"method\": \"Nlrp12-/- mouse model, macrophage NF-κB/ERK signaling analysis, cytokine profiling, colitis and tumorigenesis models\",\n      \"journal\": \"Cancer cell\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — genetic KO with defined cellular and molecular phenotype, independently replicated finding (also PMID:22503542)\",\n      \"pmids\": [\"22094258\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"NLRP12 mediates inflammasome-dependent caspase-1 activation during Plasmodium infection in a manner dependent on ASC, P2X7R, NLRP3, and/or NLRP12; NLRP12-containing pyroptosomes were identified in monocytes from malaria patients, and NLRP12/NLRP3-dependent caspase-1 activation drives IL-1β production and hypersensitivity to secondary bacterial infection.\",\n      \"method\": \"Mouse infection model (Plasmodium), caspase-1 activation assay, ASC-speck/pyroptosome immunofluorescence in patient monocytes, genetic KO analysis\",\n      \"journal\": \"PLoS pathogens\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — mouse KO and human patient monocyte data, inflammasome complex visualization, multiple orthogonal methods; single study\",\n      \"pmids\": [\"24453977\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2013,\n      \"finding\": \"During Salmonella infection, NLRP12 acts as a negative regulator by suppressing NF-κB (via IκBα phosphorylation) and ERK activation in macrophages, thereby down-regulating proinflammatory and antimicrobial molecules; NLRP12-deficient mice are highly resistant to S. typhimurium infection due to enhanced host immune signaling.\",\n      \"method\": \"Nlrp12-/- mouse infection model, macrophage NF-κB/ERK phosphorylation analysis, bacterial burden assay\",\n      \"journal\": \"PNAS\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO with defined signaling phenotype in macrophages, in vivo infection model, single lab\",\n      \"pmids\": [\"24347638\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2015,\n      \"finding\": \"NLRP12 negatively regulates T-cell-mediated immunity by suppressing NF-κB regulation and IL-4 production in CD4+ T cells; transfer of Nlrp12-/- CD4+CD45RBhi T cells into immunodeficient mice causes more severe colitis and atopic dermatitis, and enhanced IL-4 in Nlrp12-/- T cells promotes atypical EAE.\",\n      \"method\": \"T cell adoptive transfer, Nlrp12-/- mouse model, intracellular cytokine staining, EAE model\",\n      \"journal\": \"Immunity\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — adoptive transfer experiments establishing T-cell-intrinsic function, defined cytokine mechanism (IL-4), single lab\",\n      \"pmids\": [\"25888258\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2015,\n      \"finding\": \"NLRP12 suppresses the non-canonical NF-κB pathway in osteoclast precursors; retroviral overexpression of NLRP12 suppresses RelB nuclear translocation and osteoclast formation, while Nlrp12-/- cells show enhanced NIK stabilization and RelB nuclear translocation. In vivo, NLRP12 deficiency leads to increased osteoclast numbers and significant decline in bone mass.\",\n      \"method\": \"Retroviral overexpression, Nlrp12-/- mouse model, radiation chimera, RelB nuclear translocation assay, RANKL stimulation, bone mass measurement\",\n      \"journal\": \"PNAS\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO plus overexpression with defined signaling phenotype, in vivo bone phenotype, single lab\",\n      \"pmids\": [\"26240332\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"A missense mutation (p.D294E) in the NLRP12 ATP-binding site (NACHT domain) does not alter inhibitory activity on NF-κB (as tested in HEK293 cells) but accelerates PAMP-induced IL-1β secretion kinetics and causes elevated ROS production in patient monocytes.\",\n      \"method\": \"HEK293 NF-κB luciferase reporter, patient monocyte IL-1β ELISA, ROS assay\",\n      \"journal\": \"Arthritis and rheumatism\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — direct functional assay of mutant protein in cells with multiple readouts, patient cells validation, single lab\",\n      \"pmids\": [\"21360512\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2018,\n      \"finding\": \"The NLRP12 nucleotide-binding domain interacts with TRIM25 to prevent TRIM25-mediated Lys63-linked ubiquitination and activation of RIG-I; NLRP12 also enhances RNF125-mediated Lys48-linked degradative ubiquitination of RIG-I, thereby dampening RIG-I-MAVS anti-viral signaling.\",\n      \"method\": \"Co-immunoprecipitation, ubiquitination assays (K63 and K48 linkage), NLRP12 domain mapping, Nlrp12-/- myeloid-specific mouse model\",\n      \"journal\": \"Cell host & microbe\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — reciprocal Co-IP identifying TRIM25 as binding partner, two distinct ubiquitination mechanism assays (K63/K48), domain mapping, in vivo validation with myeloid-specific KO\",\n      \"pmids\": [\"30902577\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2018,\n      \"finding\": \"NLRP12 promotes K48-linked ubiquitination and proteasomal degradation of NOD2 in response to muramyl dipeptide (MDP), an interaction mediated by the linker region proximal to the NLRP12 nucleotide-binding domain; NLRP12 also sequesters HSP90 as part of this mechanism. The disease-associated NLRP12 R284X truncation mutant fails to repress MDP-induced NF-κB and JAK/STAT signaling.\",\n      \"method\": \"Co-immunoprecipitation, ubiquitination assay (K48-linkage), domain mapping (linker region), NOD2 degradation assay, Nlrp12-/- mouse model, JAK/STAT and NF-κB signaling analysis\",\n      \"journal\": \"Nature communications\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — Co-IP with domain mapping, K48 ubiquitination assay, mutant vs. WT comparison, in vivo validation; multiple orthogonal methods\",\n      \"pmids\": [\"30559449\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2018,\n      \"finding\": \"Crystal structure of human NLRP12 PYD domain at 1.70 Å resolution (as MBP fusion) reveals that the PYD forms a dimeric configuration through a disulfide bond, potentially relevant to ROS-induced NF-κB activation.\",\n      \"method\": \"X-ray crystallography\",\n      \"journal\": \"PloS one\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 1 / Weak — crystal structure determined but functional validation of the dimer is not confirmed experimentally in this paper; single lab\",\n      \"pmids\": [\"29293680\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2019,\n      \"finding\": \"NLRP12 negatively regulates JNK activation in hepatocytes; Nlrp12-/- mice show higher JNK activation during HCC development, and JNK inhibition or NLRP12 overexpression reduced proliferative and inflammatory responses in Nlrp12-/- hepatocytes. Antibiotic treatment abolishes tumorigenesis in Nlrp12-/- livers, implicating microbiota.\",\n      \"method\": \"Nlrp12-/- mouse HCC model (diethylnitrosamine), JNK phosphorylation analysis, NLRP12 overexpression in hepatocytes, JNK inhibitor treatment, antibiotic treatment\",\n      \"journal\": \"eLife\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO with signaling analysis, overexpression rescue, pharmacological inhibitor, single lab with multiple orthogonal approaches\",\n      \"pmids\": [\"30990169\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2020,\n      \"finding\": \"NLRP12 negatively regulates IL-6-induced STAT3 phosphorylation in T cells, thereby inhibiting Th17 cell differentiation; NLRP12-/- T cells show markedly increased Th17 differentiation under skewing conditions, and STAT3 inhibition abrogates hyperinflammatory arthritis in Nlrp12-/- mice.\",\n      \"method\": \"Nlrp12-/- T cell differentiation assay, STAT3 phosphorylation western blot, adoptive transfer, anti-IL-17A neutralization, pharmacological STAT3 inhibition in vivo\",\n      \"journal\": \"FASEB journal\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — KO functional phenotype with defined signaling intermediate (STAT3), pharmacological rescue, adoptive transfer; single lab\",\n      \"pmids\": [\"32632939\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2021,\n      \"finding\": \"SARS-CoV-2 NSP5 (3CLpro) directly cleaves NLRP12 in vitro; a cognate cleavage motif is absent in mouse NLRP12, explaining species differences. This cleavage mechanism may contribute to enhanced cytokine production in COVID-19.\",\n      \"method\": \"In vitro cleavage assay with recombinant NSP5 protease and NLRP12 substrate, comparative sequence alignment of NLRP12 homologs\",\n      \"journal\": \"Emerging microbes & infections\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 1 / Weak — in vitro biochemical cleavage assay, single lab, limited functional follow-up\",\n      \"pmids\": [\"33372854\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"NLRP12 functions as a cytosolic sensor that drives inflammasome formation and PANoptosome activation in response to heme plus PAMPs or TNF. TLR2/4-mediated signaling through IRF1 induces Nlrp12 expression. The NLRP12 inflammasome induces IL-1β and IL-18 maturation, and also serves as an integral component of a larger PANoptosome complex driving caspase-8/RIPK3-dependent inflammatory cell death (PANoptosis). Deletion of Nlrp12 protected mice from acute kidney injury in a hemolytic model.\",\n      \"method\": \"Nlrp12-/- mouse model, IRF1-/- and TLR2/4-/- genetic analysis, western blot for PANoptosome components (caspase-8, RIPK3), cytokine ELISA, live cell imaging, hemolytic in vivo model\",\n      \"journal\": \"Cell\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — multiple genetic KO models, in vivo protection assay, defined signaling pathway from TLR-IRF1 to NLRP12-PANoptosome, multiple orthogonal mechanistic methods in a rigorous study\",\n      \"pmids\": [\"37267949\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"NLRP12 interacts with STK38 kinase to inhibit GSK3β phosphorylation, leading to β-catenin degradation and suppression of the Wnt/β-catenin pathway in intestinal epithelial cells; Nlrp12-/- intestinal organoids and CRC cells show increased β-catenin activation and proliferation.\",\n      \"method\": \"Proteomic interaction studies (Co-IP/MS identifying STK38), Nlrp12 conditional KO mice, intestinal organoids, western blot for GSK3β phosphorylation and β-catenin, human/mouse tumor tissue analysis\",\n      \"journal\": \"The Journal of clinical investigation\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — proteomic identification of STK38 partner, conditional KO, organoid model, defined signaling axis (NLRP12/STK38/GSK3β/β-catenin), multiple orthogonal methods\",\n      \"pmids\": [\"37581937\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"IRF1 acts as an upstream transcriptional inducer of NLRP12 expression and contributes to NLRP12-PANoptosome activation and PANoptosis; IRF1 deficiency impairs NLRP12-PANoptosome-driven cell death but is dispensable for inflammasomes that drive pyroptosis independently of the PANoptosome.\",\n      \"method\": \"IRF1-/- primary murine macrophages, live cell imaging, western blot for PANoptosome components, ELISA\",\n      \"journal\": \"The Journal of biological chemistry\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO with defined functional phenotype, multiple readouts, single lab\",\n      \"pmids\": [\"37557956\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2024,\n      \"finding\": \"Wild-type NLRP12 physically interacts with NLRP3 and inhibits ASC inflammasome assembly induced by wild-type and gain-of-function mutant NLRP3 in human (but not murine) cells. NLRP12 itself does not nucleate ASC polymerization. Disease-associated NLRP12 mutants lose this inhibitory capacity, and PBMCs from NLRP12-mutant patients produce increased IL-1β in response to NLRP3 stimulation.\",\n      \"method\": \"ASC polymerization reconstitution screen, Co-IP between NLRP12 and NLRP3, patient PBMC IL-1β assay, murine vs. human NLRP3 comparison\",\n      \"journal\": \"Science signaling\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1–2 / Strong — reconstitution screen, direct Co-IP, mutant vs. WT functional comparison, patient cell validation; multiple orthogonal methods in one rigorous study\",\n      \"pmids\": [\"38261657\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2024,\n      \"finding\": \"NLRP12 interacts with TRIM25 via its nucleotide-binding domain to compete for binding to HK2, preventing TRIM25-mediated K63-linked ubiquitination of HK2 and protecting HK2 from autophagosome-lysosome degradation, thereby stabilizing HK2 and promoting glycolysis and H3K18 lactylation in gastric cancer cells.\",\n      \"method\": \"Co-IP (NLRP12-TRIM25-HK2 complex), ubiquitination assay (K63-linkage), lysosome inhibitor assay, NLRP12 overexpression/knockdown\",\n      \"journal\": \"Cell death & disease\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — Co-IP identifying ternary complex, K63 ubiquitination assay, lysosomal degradation pathway, single lab\",\n      \"pmids\": [\"40796546\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"Hematopoietic cell kinase (HCK) is a regulator of NLRP12-mediated PANoptosis; HCK expression is upregulated by NLRP12-PANoptosome triggers, Hck knockdown inhibits NLRP12-PANoptosis, and computational modeling plus in vitro binding assays suggest HCK interacts with NLRP12 in the region between its NACHT domain and PYD; removal of the PYD domain abrogated this interaction.\",\n      \"method\": \"HCK knockdown, live cell imaging for PANoptosis, computational interaction modeling, in vitro domain deletion binding assay\",\n      \"journal\": \"PNAS\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — knockdown with defined functional phenotype, in vitro domain mapping; computational component lowers confidence; single lab\",\n      \"pmids\": [\"40408404\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2024,\n      \"finding\": \"Full-length NLRP12 forms an inflammasome in vitro; its PYD domain activates caspase-1 to induce IL-1β cleavage and GSDMD cleavage in reconstitution assays. NLRP12 is specifically expressed in neutrophils and eosinophils (not macrophages), and several patient NLRP12 mutations cause spontaneous caspase-1 activation in vitro.\",\n      \"method\": \"Inflammasome reconstitution assay (in vitro), caspase-1 and GSDMD cleavage assay, cell type expression profiling, patient mutation functional testing\",\n      \"journal\": \"Frontiers in immunology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 1 / Moderate — in vitro reconstitution with caspase-1/GSDMD readouts, patient mutation functional assay; single lab\",\n      \"pmids\": [\"39076995\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2024,\n      \"finding\": \"NLRP12 interacts with GP2a (a PRRSV glycoprotein) via its LRR domain and recruits the E3 ubiquitin ligase MARCH8 via its PYD domain, facilitating K48-linked polyubiquitination of GP2a at K128 and lysosomal degradation of GP2a via the MARCH8-NDP52 pathway, thereby inhibiting PRRSV replication.\",\n      \"method\": \"Co-immunoprecipitation, domain deletion mapping (LRR and PYD), K48 ubiquitination assay, lysosome degradation assay, NLRP12 overexpression/silencing\",\n      \"journal\": \"Veterinary microbiology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — Co-IP with domain mapping, K48 ubiquitination and lysosomal pathway assays; porcine virus model (ortholog context for functional mechanism); single lab\",\n      \"pmids\": [\"39362085\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"A C57BL/6J-specific missense mutation in Nlrp12 causes defective macrophage CXCL1 production; the neutrophil recruitment defect in C57BL/6J mice is rescued by restoration of macrophage NLRP12, establishing a macrophage-cell-autonomous role for NLRP12 in chemokine-driven neutrophil recruitment.\",\n      \"method\": \"Nlrp12 missense mutation identification, bone marrow chimera/macrophage reconstitution, CXCL1 ELISA, neutrophil migration assay\",\n      \"journal\": \"Nature communications\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — macrophage-specific rescue experiment establishes cell-autonomous mechanism, natural mutation variant confirms causality, multiple in vivo and in vitro methods\",\n      \"pmids\": [\"27779193\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"NLRP12 acts as an innate immune checkpoint suppressing IFN-I production; RUNX1-dependent epigenetic regulation transcriptionally suppresses NLRP12 expression under IFN-I stimulation, creating a negative feedback loop. Reduced NLRP12 in SLE monocytes is linked to spontaneous innate immune signaling activation and hyperresponsiveness to nucleic acid stimulation.\",\n      \"method\": \"RUNX1 ChIP, NLRP12 promoter analysis, Nlrp12-/- lupus-prone mouse model, pristane model, monocyte signaling assays, autoantibody and kidney function measurements\",\n      \"journal\": \"The Journal of clinical investigation\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — ChIP for epigenetic regulation, genetic KO in disease model, patient monocyte analysis; single lab\",\n      \"pmids\": [\"36719379\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2018,\n      \"finding\": \"NLRP12 promotes neutrophil differentiation through non-canonical NF-κB signaling: NLRP12 inhibits ERK1/2 activity, relieving ERK1/2-mediated suppression of NIK protein levels, thereby enhancing NIK stabilization and RelB nuclear translocation to drive neutrophil differentiation.\",\n      \"method\": \"Nlrp12-/- cells, genome-wide RNA-seq, ERK1/2 and NIK phosphorylation/protein-level assays, RelB nuclear translocation assay\",\n      \"journal\": \"International journal of biological sciences\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO with defined signaling pathway, RNA-seq, multiple signaling readouts; single lab\",\n      \"pmids\": [\"29483833\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2019,\n      \"finding\": \"NLRP12 deficiency results in elevated RANKL-induced IκB-α degradation and p65 phosphorylation in preosteoclasts, and NLRP12-/- preosteoclasts show higher RANKL-induced osteoclastogenesis, which is synergistically amplified by IL-1β and TNF-α, demonstrating that NLRP12 negatively regulates NF-κB during osteoclastogenesis.\",\n      \"method\": \"Nlrp12-/- mouse model, RANKL stimulation, western blot for IκB-α and p65, TRAP staining, micro-CT bone analysis\",\n      \"journal\": \"Journal of dental research\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO with in vitro and in vivo osteoclast functional readouts and defined NF-κB signaling intermediate; single lab\",\n      \"pmids\": [\"30681895\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2024,\n      \"finding\": \"In retinal vascular endothelial cells, decreased AIP1 promotes assembly of a noncanonical NLRP12-ASC-caspase-8 inflammasome complex, which drives GSDMD-dependent endothelial pyroptosis, VEGF and IL-1β release, and pathological ocular angiogenesis. Suppression of the NLRP12-CASP8-GSDMD axis reduces VEGF signaling and new vessel formation.\",\n      \"method\": \"scRNA-seq (AIP1 identification), genetic deletion of GSDMD and NLRP12, Co-IP for inflammasome complex, western blot for caspase-8/GSDMD cleavage, OIR mouse model\",\n      \"journal\": \"Advanced science\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic KO phenotype, Co-IP for complex, defined effector pathway; single lab\",\n      \"pmids\": [\"39527457\"],\n      \"is_preprint\": false\n    }\n  ],\n  \"current_model\": \"NLRP12 is a multifunctional cytosolic NLR protein that acts primarily as a negative regulator of inflammatory signaling by binding and promoting proteasomal degradation of NIK (thereby suppressing non-canonical NF-κB), blocking IRAK-1 hyperphosphorylation (suppressing canonical TLR/TNFR NF-κB), interacting with TRIM25 to prevent K63-ubiquitination and activation of RIG-I, and engaging STK38 to inhibit GSK3β phosphorylation and Wnt/β-catenin signaling; its ATP-binding/hydrolysis activity (Walker A/B motifs in the NACHT domain) and Hsp90 chaperone association are essential for these inhibitory functions. Conversely, in certain contexts (heme plus PAMPs, specific infections), NLRP12 assembles an inflammasome/PANoptosome with ASC and caspase-8/RIPK3 to drive IL-1β/IL-18 maturation and PANoptosis, a process induced upstream by TLR-IRF1 signaling; NLRP12 also directly inhibits human NLRP3 inflammasome assembly by physically interacting with NLRP3, and its pyrin domain structure (six-helical bundle) mediates non-homotypic interactions with FAF-1. NLRP12 expression is transcriptionally suppressed by Blimp-1/PRDM1 downstream of TLR activation, and the protein is directly cleaved by SARS-CoV-2 NSP5.\"\n}\n```","stage2_raw":"{\n  \"mechanistic_narrative\": \"NLRP12 (Monarch-1/PYPAF7) is a cytosolic NLR protein of myeloid-monocytic origin that functions predominantly as a negative regulator of inflammatory signaling, restraining both canonical and non-canonical NF-\\u03baB as well as MAPK pathways to limit inflammation and tumorigenesis [#2, #10, #11]. It dampens canonical TLR2/4 and TNFR signaling by associating with IRAK-1 and blocking its hyperphosphorylation [#2], and suppresses the non-canonical pathway by binding NIK and TRAF3 to drive proteasomal degradation of NIK, thereby limiting p100-to-p52 processing [#3, #10]. These inhibitory activities depend on intact Walker A/B motifs in the NACHT domain, which support ATP binding/hydrolysis and self-oligomerization, and on Hsp90, which stabilizes NLRP12 and enables NIK degradation [#4, #5]. NLRP12 additionally restrains innate antiviral and nucleotide-sensing pathways by interacting with TRIM25 via its nucleotide-binding domain to block K63-ubiquitination of RIG-I and by promoting K48-linked degradation of NOD2 [#17, #18], and it suppresses Wnt/\\u03b2-catenin signaling through an STK38\\u2013GSK3\\u03b2\\u2013\\u03b2-catenin axis in intestinal epithelium [#24]. Loss of NLRP12 in mice produces unchecked NF-\\u03baB/ERK signaling, colon inflammation and colorectal tumorigenesis, dysregulated osteoclastogenesis and bone loss, and aberrant T-cell responses, establishing its broad anti-inflammatory and tumor-suppressive role [#10, #11, #15, #21]. In specific contexts NLRP12 instead acts as a pro-inflammatory sensor: triggered by heme plus PAMPs or TNF and induced upstream by TLR\\u2013IRF1 signaling, it assembles an inflammasome and a larger caspase-8/RIPK3 PANoptosome that drives IL-1\\u03b2/IL-18 maturation and PANoptosis [#23, #25]. In human cells NLRP12 also directly binds NLRP3 to inhibit ASC-dependent NLRP3 inflammasome assembly, and disease-associated NLRP12 mutations abolish this restraint, increasing IL-1\\u03b2 production in patient cells [#26]. Structural work defines the NLRP12 pyrin domain as a six-helical death-domain bundle that mediates a non-homotypic interaction with FAF-1 [#8].\",\n  \"teleology\": [\n    {\n      \"year\": 2002,\n      \"claim\": \"Established NLRP12 as an ASC-interacting NLR capable of engaging the caspase-1/NF-\\u03baB machinery, placing it within inflammatory signaling complexes.\",\n      \"evidence\": \"Mammalian two-hybrid and co-expression assays with NF-\\u03baB reporter and caspase-1 activity readouts\",\n      \"pmids\": [\"12019269\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Did not define whether NLRP12 is a positive or negative regulator in primary cells\", \"Overexpression-based, no endogenous validation\"]\n    },\n    {\n      \"year\": 2003,\n      \"claim\": \"Identified NLRP12 as a myeloid-restricted gene regulating MHC class I expression, defining its expression niche.\",\n      \"evidence\": \"siRNA knockdown with microarray and promoter analysis in myeloid cells\",\n      \"pmids\": [\"12759408\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Mechanism linking NLRP12 to MHC promoters not resolved\", \"Single lab\"]\n    },\n    {\n      \"year\": 2005,\n      \"claim\": \"Reframed NLRP12 as a negative regulator of canonical TLR/TNFR NF-\\u03baB signaling, identifying IRAK-1 as the target of inhibition.\",\n      \"evidence\": \"Co-IP, siRNA knockdown, NF-\\u03baB reporter and phosphorylation assays in myeloid cells\",\n      \"pmids\": [\"16203735\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Did not establish how IRAK-1 phosphorylation is blocked biochemically\", \"Did not address non-canonical pathway\"]\n    },\n    {\n      \"year\": 2007,\n      \"claim\": \"Defined the non-canonical NF-\\u03baB target: NLRP12 binds NIK and drives its proteasomal degradation, with Hsp90 required for NLRP12 stability and ATPase activity required for function.\",\n      \"evidence\": \"Reciprocal Co-IP with NIK, proteasome/Hsp90 inhibitor dissection, shRNA, and in vitro ATP binding/ATPase assays with Walker A/B mutants\",\n      \"pmids\": [\"17237370\", \"17947705\", \"18160710\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Identity of the E3 ligase mediating NIK degradation not defined\", \"How ATP hydrolysis couples to partner engagement not resolved\"]\n    },\n    {\n      \"year\": 2009,\n      \"claim\": \"Identified transcriptional control of NLRP12, showing Blimp-1/PRDM1 represses its expression downstream of TLR activation.\",\n      \"evidence\": \"ChIP, promoter reporter, RT-PCR, and Blimp-1-KO murine myeloid cells\",\n      \"pmids\": [\"19234190\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Did not connect repression to a downstream inflammatory outcome in vivo\", \"Other regulators of NLRP12 transcription not surveyed\"]\n    },\n    {\n      \"year\": 2011,\n      \"claim\": \"Provided structural definition of the NLRP12 pyrin domain and a non-homotypic protein interaction, broadening its interactome beyond classical PYD-PYD partners.\",\n      \"evidence\": \"NMR structure of PYD with chemical-shift-mapped FAF-1 UBA interaction and W45 mutagenesis\",\n      \"pmids\": [\"21978668\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Functional consequence of the FAF-1 interaction not established\", \"No full-length protein structure\"]\n    },\n    {\n      \"year\": 2011,\n      \"claim\": \"Demonstrated in vivo that NLRP12 restrains macrophage NF-\\u03baB/ERK to suppress colon inflammation and colorectal tumorigenesis, establishing tumor-suppressor function.\",\n      \"evidence\": \"Nlrp12-/- mouse colitis and tumorigenesis models with macrophage signaling/cytokine profiling\",\n      \"pmids\": [\"22094258\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Did not pinpoint the molecular node bridging NLRP12 loss to ERK activation\"]\n    },\n    {\n      \"year\": 2011,\n      \"claim\": \"Showed that disease-associated NLRP12 mutations can be gain-of-function for inflammasome assembly while leaving NF-\\u03baB inhibition intact, separating the protein's two activities.\",\n      \"evidence\": \"R352C mutant caspase-1/ASC-speck and NF-\\u03baB reporter assays in HEK293T; D294E mutant patient monocyte IL-1\\u03b2/ROS assays\",\n      \"pmids\": [\"21538323\", \"21360512\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Structural basis of mutant inflammasome gain-of-function unresolved\", \"Reconstituted cell-line readouts may not reflect endogenous neutrophil context\"]\n    },\n    {\n      \"year\": 2012,\n      \"claim\": \"Confirmed and extended the non-canonical NF-\\u03baB mechanism, adding TRAF3 to the NIK-regulatory module and linking NLRP12 loss to ERK/AKT dysregulation in tumors.\",\n      \"evidence\": \"Reciprocal Co-IP (NIK, TRAF3) and Nlrp12-/- mice with quantified p100-to-p52 processing\",\n      \"pmids\": [\"22503542\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Order of assembly within the NLRP12-NIK-TRAF3 module not defined\"]\n    },\n    {\n      \"year\": 2010,\n      \"claim\": \"Revealed a cell-biological role beyond signaling: NLRP12 maintains dendritic cell and neutrophil migration competence, later traced to macrophage-autonomous CXCL1 production.\",\n      \"evidence\": \"Nlrp12-/- in vivo migration and chemotaxis assays; macrophage-specific rescue of a natural Nlrp12 missense mutation restoring neutrophil recruitment\",\n      \"pmids\": [\"20861349\", \"27779193\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Molecular link between NLRP12 and chemokine responsiveness incompletely defined\"]\n    },\n    {\n      \"year\": 2015,\n      \"claim\": \"Extended NLRP12's negative regulation across tissues and lineages \\u2014 osteoclast precursors, CD4+ T cells, and neutrophil differentiation \\u2014 via non-canonical NF-\\u03baB, STAT3, and IL-4 control.\",\n      \"evidence\": \"Nlrp12-/- and overexpression models with RelB translocation, T-cell adoptive transfer, EAE, RANKL osteoclastogenesis, and RNA-seq/ERK-NIK signaling analyses\",\n      \"pmids\": [\"26240332\", \"25888258\", \"29483833\", \"30681895\", \"32632939\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Whether direct NLRP12 binding or indirect signaling underlies each lineage phenotype not uniformly resolved\", \"Context-dependence of NIK stabilization vs degradation unexplained\"]\n    },\n    {\n      \"year\": 2013,\n      \"claim\": \"Established NLRP12 as a context-dependent restraint on antimicrobial responses, dampening NF-\\u03baB/ERK during Salmonella infection while contributing to inflammasome activation in Plasmodium infection.\",\n      \"evidence\": \"Nlrp12-/- infection models with macrophage signaling, bacterial burden, and patient monocyte pyroptosome imaging\",\n      \"pmids\": [\"24347638\", \"24453977\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"What dictates the switch between inhibitory and inflammasome roles per pathogen unknown\", \"Single-study findings per pathogen\"]\n    },\n    {\n      \"year\": 2018,\n      \"claim\": \"Defined NLRP12 control of innate nucleotide sensing: it blocks TRIM25-mediated K63-ubiquitination of RIG-I and promotes K48-linked degradation of NOD2, dampening antiviral and MDP-driven inflammation.\",\n      \"evidence\": \"Co-IP with domain mapping, K63/K48 ubiquitination assays, and myeloid-specific Nlrp12-/- mice; R284X truncation loses NOD2 repression\",\n      \"pmids\": [\"30902577\", \"30559449\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"How NLRP12 redirects ubiquitin-ligase activity mechanistically not resolved\", \"Whether RIG-I and NOD2 regulation occur in the same cells unaddressed\"]\n    },\n    {\n      \"year\": 2018,\n      \"claim\": \"Provided a crystal structure of the human NLRP12 PYD revealing a disulfide-linked dimer potentially relevant to redox-sensitive signaling.\",\n      \"evidence\": \"X-ray crystallography of MBP-fusion PYD at 1.70 \\u00c5\",\n      \"pmids\": [\"29293680\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Functional relevance of the disulfide dimer not experimentally validated\", \"No full-length structure\"]\n    },\n    {\n      \"year\": 2019,\n      \"claim\": \"Linked NLRP12 to JNK control and microbiota-dependent hepatocarcinogenesis, reinforcing tumor-suppressor function in a third organ.\",\n      \"evidence\": \"Nlrp12-/- HCC model with JNK inhibition, NLRP12 overexpression rescue, and antibiotic treatment\",\n      \"pmids\": [\"30990169\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Direct molecular target linking NLRP12 to JNK not identified\", \"Microbiota mechanism only indirectly implicated\"]\n    },\n    {\n      \"year\": 2021,\n      \"claim\": \"Identified a viral subversion mechanism: SARS-CoV-2 NSP5 protease directly cleaves human NLRP12, with the cleavage site absent in mouse, offering a species-specific route to dysregulated cytokine production.\",\n      \"evidence\": \"In vitro cleavage assay with recombinant NSP5 and sequence alignment of homologs\",\n      \"pmids\": [\"33372854\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Functional consequence of cleavage in infected cells not demonstrated\", \"No in vivo validation\"]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Established NLRP12 as a bona fide cytosolic sensor that, under heme-plus-PAMP or TNF triggers and IRF1-driven induction, nucleates an inflammasome and a caspase-8/RIPK3 PANoptosome driving IL-1\\u03b2/IL-18 maturation and PANoptosis.\",\n      \"evidence\": \"Multiple genetic KO models (Nlrp12, Irf1, Tlr2/4), PANoptosome component blots, live imaging, and a hemolytic acute kidney injury model\",\n      \"pmids\": [\"37267949\", \"37557956\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Direct ligand/sensing event upstream of assembly not biochemically defined\", \"How the same protein switches between inhibitory and PANoptosome roles unresolved\"]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Identified an STK38-dependent mechanism by which NLRP12 suppresses Wnt/\\u03b2-catenin signaling, providing a molecular basis for its intestinal tumor-suppressor role.\",\n      \"evidence\": \"Co-IP/MS identifying STK38, conditional KO mice, intestinal organoids, and GSK3\\u03b2/\\u03b2-catenin signaling analysis\",\n      \"pmids\": [\"37581937\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"How NLRP12 engages STK38 structurally not defined\", \"Integration with NLRP12's NF-\\u03baB roles in epithelium unclear\"]\n    },\n    {\n      \"year\": 2024,\n      \"claim\": \"Demonstrated direct, species-specific inhibition of the NLRP3 inflammasome by NLRP12 binding NLRP3, with disease-associated mutants losing restraint \\u2014 a unifying model for NLRP12-associated autoinflammation.\",\n      \"evidence\": \"ASC polymerization reconstitution screen, Co-IP, mutant comparisons, and patient PBMC IL-1\\u03b2 assays in human vs murine cells\",\n      \"pmids\": [\"38261657\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Structural basis of the NLRP12-NLRP3 interface unresolved\", \"Why inhibition is human-specific not explained\"]\n    },\n    {\n      \"year\": 2024,\n      \"claim\": \"Extended NLRP12's regulatory repertoire to metabolism and additional inflammasome contexts \\u2014 stabilizing HK2 to promote glycolysis, supporting a noncanonical NLRP12-ASC-caspase-8 axis in endothelial pyroptosis, and acting as a reconstitution-competent inflammasome in granulocytes.\",\n      \"evidence\": \"Co-IP of NLRP12-TRIM25-HK2 with ubiquitination/lysosome assays, AIP1-dependent endothelial inflammasome with GSDMD/NLRP12 KO, and in vitro inflammasome reconstitution with cell-type expression profiling\",\n      \"pmids\": [\"40796546\", \"39527457\", \"39076995\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Generality of the HK2/glycolysis role beyond gastric cancer unknown\", \"Reconciliation of NLRP12 expression in neutrophils/eosinophils vs macrophages across studies needed\"]\n    },\n    {\n      \"year\": 2024,\n      \"claim\": \"Identified additional NLRP12 partners regulating its pro-death and antiviral functions \\u2014 HCK as a PANoptosis regulator and an LRR/PYD-dependent recruitment of MARCH8 to degrade a viral glycoprotein.\",\n      \"evidence\": \"HCK knockdown with PANoptosis imaging and computational/domain-deletion binding; Co-IP with LRR/PYD domain mapping and K48 ubiquitination assays for GP2a degradation\",\n      \"pmids\": [\"40408404\", \"39362085\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"HCK-NLRP12 interaction relies partly on computational modeling\", \"GP2a finding is in a porcine virus/ortholog context\"]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Positioned NLRP12 as an innate immune checkpoint on type I IFN, with RUNX1-dependent epigenetic suppression creating a feedback loop relevant to lupus.\",\n      \"evidence\": \"RUNX1 ChIP, NLRP12 promoter analysis, Nlrp12-/- lupus-prone and pristane models, and SLE monocyte signaling\",\n      \"pmids\": [\"36719379\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Direct molecular target of NLRP12 in IFN-I suppression not defined\", \"Single lab\"]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"It remains unresolved what molecular switch determines whether NLRP12 acts as an inhibitor of NF-\\u03baB/inflammasome signaling or assembles its own inflammasome/PANoptosome, and no full-length structure explains how its NACHT, PYD, and LRR domains integrate ATP hydrolysis, partner binding, and oligomerization across these opposing modes.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"No full-length NLRP12 structure\", \"Direct ligand sensing event for inflammasome assembly undefined\", \"Context determinants (cell type, stimulus, species) of dual function not unified\"]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [\n      {\"term_id\": \"GO:0140657\", \"supporting_discovery_ids\": [4]},\n      {\"term_id\": \"GO:0098772\", \"supporting_discovery_ids\": [2, 3, 10, 17, 18, 26]},\n      {\"term_id\": \"GO:0140299\", \"supporting_discovery_ids\": [23]},\n      {\"term_id\": \"GO:0060089\", \"supporting_discovery_ids\": [23, 29]}\n    ],\n    \"localization\": [\n      {\"term_id\": \"GO:0005829\", \"supporting_discovery_ids\": [0, 23]}\n    ],\n    \"pathway\": [\n      {\"term_id\": \"R-HSA-168256\", \"supporting_discovery_ids\": [2, 3, 17, 23, 26]},\n      {\"term_id\": \"R-HSA-162582\", \"supporting_discovery_ids\": [2, 10, 24]},\n      {\"term_id\": \"R-HSA-5357801\", \"supporting_discovery_ids\": [23, 35]},\n      {\"term_id\": \"R-HSA-1643685\", \"supporting_discovery_ids\": [11, 26, 32]}\n    ],\n    \"complexes\": [\n      \"NLRP12 inflammasome\",\n      \"NLRP12-PANoptosome\"\n    ],\n    \"partners\": [\n      \"NIK\",\n      \"TRAF3\",\n      \"IRAK1\",\n      \"TRIM25\",\n      \"NLRP3\",\n      \"STK38\",\n      \"ASC\",\n      \"HSP90\"\n    ],\n    \"other_free_text\": []\n  }\n}","audit_flag":null,"evaluation":{"pairwise":"win","faith_supported":8,"faith_total":8,"faith_pct":100.0}}