{"gene":"THAP11","run_date":"2026-04-28T21:42:59","timeline":{"discoveries":[{"year":2008,"finding":"RONIN (THAP11) directly binds HCF-1 (host cell factor 1), and this interaction is essential for ES cell self-renewal and embryogenesis; conditional knockout of Ronin prevents ES cell growth while forced expression allows proliferation without differentiation.","method":"Co-immunoprecipitation, conditional knockout mouse, ectopic expression in ES cells","journal":"Cell","confidence":"High","confidence_rationale":"Tier 2 — reciprocal Co-IP plus genetic loss-of-function and gain-of-function, highly cited foundational paper","pmids":["18585351"],"is_preprint":false},{"year":2010,"finding":"RONIN/HCF-1 complex binds a hyperconserved enhancer element (ACTACA-containing motif) at promoters of genes involved in transcription initiation, mRNA splicing, and cell metabolism, and at these sites RONIN/HCF-1 predominantly upregulates gene expression (e.g., protein biosynthesis and energy production genes) rather than repressing them.","method":"ChIP-seq, genome-wide promoter binding analysis, gene expression profiling","journal":"Genes & development","confidence":"High","confidence_rationale":"Tier 2 — genome-wide ChIP-seq with expression profiling, replicated binding motif analysis, highly cited","pmids":["20581084"],"is_preprint":false},{"year":2008,"finding":"THAP11 represses c-Myc transcription by directly binding the c-Myc promoter in a DNA-binding-dependent manner, and this repression mediates THAP11's cell growth suppressor function; c-Myc overexpression rescues THAP11-mediated growth inhibition.","method":"Promoter reporter assays, ChIP, EMSA, RNAi knockdown, c-Myc rescue experiment","journal":"Cell death and differentiation","confidence":"High","confidence_rationale":"Tier 1–2 — in vitro DNA binding (EMSA), ChIP, reporter assay, and genetic epistasis rescue, multiple orthogonal methods","pmids":["19008924"],"is_preprint":false},{"year":2012,"finding":"THAP11 physically associates with the transcriptional coregulator HCF-1, recruits HCF-1 to target gene promoters, and both THAP11-mediated gene repression and HCF-1 recruitment at target genes are mutually dependent: THAP11 requires HCF-1 for chromatin association and HCF-1 requires THAP11 for recruitment at these loci in colon cancer cells.","method":"Co-immunoprecipitation, ChIP, gene expression profiling after THAP11 knockdown","journal":"Molecular and cellular biology","confidence":"High","confidence_rationale":"Tier 2 — reciprocal dependency shown by Co-IP and ChIP with knockdown controls, multiple orthogonal methods","pmids":["22371484"],"is_preprint":false},{"year":2013,"finding":"In human HeLa cells, HCFC1 (HCF-1) co-occupies approximately 90% of its ~5400 CpG-island promoter binding sites together with THAP11 (Ronin), ZNF143, GABP, and YY1, with THAP11 and ZNF143 sharing an underlying ACTACA DNA sequence motif.","method":"ChIP-seq, motif analysis, genome-wide co-occupancy mapping","journal":"Genome research","confidence":"High","confidence_rationale":"Tier 2 — genome-wide ChIP-seq with motif analysis, replicated across multiple factors","pmids":["23539139"],"is_preprint":false},{"year":2014,"finding":"HCF-1 recruitment to E2F-bound cell-cycle-control gene promoters is mediated by the cooperative action of THAP11 and ZNF143, not directly by E2F proteins; THAP11, ZNF143, and HCF-1 form a mutually dependent complex on chromatin independently of E2F occupancy, and disruption of this complex reduces cell proliferation and cell-cycle progression.","method":"ChIP, Co-IP, RNAi knockdown, cell-cycle analysis, gene expression profiling","journal":"Cell reports","confidence":"High","confidence_rationale":"Tier 2 — reciprocal Co-IP plus ChIP and functional epistasis with multiple knockdowns, replicated by independent lab","pmids":["25437553"],"is_preprint":false},{"year":2015,"finding":"The ACTACA submotif, shared by THAP11 and ZNF143 binding sequences, directs cooperative recruitment of THAP11 and HCFC1 to ZNF143-occupied loci; the position, spacing, and orientation of this submotif relative to the ZNF143 core motif are critical, and CRISPR-Cas9 alteration of this submotif at endogenous promoters alters THAP11/HCF-1 recruitment, gene transcription, and histone modifications.","method":"CRISPR-Cas9 endogenous promoter editing, synthetic integrated constructs, ChIP, gene expression analysis","journal":"Molecular and cellular biology","confidence":"High","confidence_rationale":"Tier 1–2 — CRISPR editing of endogenous loci plus synthetic construct validation, multiple orthogonal methods","pmids":["26416877"],"is_preprint":false},{"year":2016,"finding":"The C-terminal region of human THAP11 forms a left-handed parallel homo-dimeric coiled-coil structure, providing the first 3D structural information for this domain.","method":"X-ray crystallography, molecular dynamics simulation, biophysical experiments (CD, SEC, etc.)","journal":"Journal of structural biology","confidence":"High","confidence_rationale":"Tier 1 — crystal structure plus biophysical validation and MD simulations","pmids":["26975212"],"is_preprint":false},{"year":2016,"finding":"RONIN (THAP11) functions as a positive transcriptional regulator of mitochondrial genes, including electron transport chain (ETC) components of complexes I, III, and IV; RPC-specific loss of Ronin leads to deficient ETC activity, reduced ATP levels, increased oxidative stress, and premature cell-cycle exit in the developing retina.","method":"Conditional knockout mouse, ChIP, ETC activity assays, ATP measurement, oxidative stress assays","journal":"Cell reports","confidence":"High","confidence_rationale":"Tier 2 — conditional KO with multiple biochemical readouts and ChIP binding evidence","pmids":["26876175"],"is_preprint":false},{"year":2012,"finding":"THAP11 physically interacts with PCBP1 and negatively regulates CD44 v6 alternative splicing and cell invasion; deletion of the PCBP1-binding domain of THAP11 or PCBP1 knockdown abolishes THAP11's ability to inhibit CD44 v6 expression.","method":"Co-immunoprecipitation, domain deletion analysis, PCBP1 knockdown, CD44 splicing assay, invasion assay","journal":"FEBS letters","confidence":"Medium","confidence_rationale":"Tier 3 — Co-IP plus domain deletion and functional rescue, single lab","pmids":["22673507"],"is_preprint":false},{"year":2017,"finding":"THAP11/HCF-1 complex regulates expression of MMACHC, the enzyme responsible for intracellular cobalamin metabolism; a THAP11 F80L missense mutation in a patient causes reduced MMACHC expression and a cobalamin disorder phenotype. In zebrafish, loss of THAP11 causes craniofacial cartilage defects and impaired neural precursor proliferation/differentiation.","method":"Patient Sanger sequencing, zebrafish loss-of-function experiments, RNA-seq, functional complementation","journal":"Human molecular genetics","confidence":"High","confidence_rationale":"Tier 2 — human genetic + zebrafish KD functional validation + RNA-seq target overlap with HCFC1","pmids":["28449119"],"is_preprint":false},{"year":2017,"finding":"Conditional Ronin knockout sensitizes embryonic stem cells to UV-C-induced DNA damage through ATR pathway activation and G2/M arrest; RONIN binds to and transcriptionally regulates DNA repair factor genes including Gtf2h4 and Rad18.","method":"Conditional knockout ES cells, UV-C treatment, ATR pathway assays, ChIP, cell-cycle analysis","journal":"Stem cell research","confidence":"Medium","confidence_rationale":"Tier 2 — conditional KO with mechanistic ChIP evidence, single lab study","pmids":["28715716"],"is_preprint":false},{"year":2022,"finding":"HCFC1/RONIN (THAP11) jointly regulate expression of ribosomal protein subunit genes in addition to MMACHC; mouse models of Hcfc1/Ronin mutation exhibit reduced ribosome biogenesis and translation defects, identifying HCFC1/RONIN as transcriptional regulators of ribosome biogenesis during development.","method":"Mouse knockout models, RNA-seq, ribosome profiling, metabolic analysis","journal":"Nature communications","confidence":"High","confidence_rationale":"Tier 2 — in vivo mouse models with multi-omic profiling and biochemical validation, replicated findings across models","pmids":["35013307"],"is_preprint":false},{"year":2021,"finding":"Ronin governs the metabolic/proliferative transition during implantation by enabling active energy production; loss of Ronin results in a reversible quiescent state promoting naïve pluripotency, and Ronin fine-tunes expression of ribosomal protein genes.","method":"Conditional knockout mouse embryo, metabolic assays, RNA-seq, ES cell blastocyst derivation","journal":"EMBO reports","confidence":"Medium","confidence_rationale":"Tier 2 — conditional KO with metabolic and transcriptomic readouts, single lab","pmids":["34515391"],"is_preprint":false},{"year":2021,"finding":"Transgenic overexpression of Ronin in mouse cerebellar Purkinje cells causes loss of Purkinje cells and severe ataxia; mechanistically, Ronin transcriptionally deregulates several SCA-causing gene loci (which harbor Ronin DNA-binding motifs), and ectopic Ronin expression increases Ataxin-1 protein levels.","method":"Transgenic mouse model, Purkinje cell-specific expression, ChIP for motif analysis, Western blot for Ataxin-1","journal":"Disease models & mechanisms","confidence":"Medium","confidence_rationale":"Tier 2 — in vivo transgenic model with mechanistic ChIP and protein-level evidence, single lab","pmids":["34165550"],"is_preprint":false},{"year":2025,"finding":"THAP11 with polyQ expansion (mutant THAP11) forms protein aggregates in the cytoplasm/nucleus, causes cerebellar neurodegeneration through gain-of-function mechanisms (knockdown of endogenous THAP11 does not affect neuronal survival), and transcriptionally upregulates TREM2, leading to TREM2-mediated microglial activation that contributes to neurodegeneration; loss of TREM2 or microglial depletion mitigates mutant THAP11-induced neurodegeneration.","method":"SCA51 knockin mouse model, AAV-mediated expression in monkeys, TREM2 KO epistasis, microglial depletion, ChIP for TREM2 promoter binding","journal":"The Journal of clinical investigation","confidence":"High","confidence_rationale":"Tier 2 — knockin mouse plus epistasis (TREM2 KO rescue) plus ChIP, multiple orthogonal methods","pmids":["40459937"],"is_preprint":false},{"year":2025,"finding":"RONIN (THAP11), through its interaction with HCF1/HCFC1, modulates transcriptional activity of Tfeb (TFEB), thereby controlling autophagy and lysosomal activity in cochlear hair cells; RONIN overexpression increases autophagy and lysosomal activity.","method":"Co-immunoprecipitation, overexpression in hair cells, autophagy/lysosomal activity assays","journal":"Advanced science","confidence":"Medium","confidence_rationale":"Tier 3 — Co-IP plus functional assays, single lab study","pmids":["39985193"],"is_preprint":false},{"year":2014,"finding":"Expansion of polyglutamine repeats in THAP11 (THAP11-38Q) causes intranuclear inclusion formation in PC12 cells, G0/G1 cell-cycle arrest, and inhibition of CREB-mediated transcription; TBP, CBP, and HSP70 are recruited to THAP11-38Q aggregates.","method":"Fluorescence confocal imaging, flow cytometry, reporter assay for CREB activity, co-immunoprecipitation/colocalization","journal":"Cell biology international","confidence":"Medium","confidence_rationale":"Tier 3 — cell imaging plus functional assays, single lab","pmids":["24677642"],"is_preprint":false},{"year":2014,"finding":"THAP11 regulates hematopoietic lineage differentiation: overexpression inhibits erythroid differentiation and promotes megakaryocytic differentiation of K562 cells, partly by altering expression of transcription factors c-Myc, c-Myb, GATA-2, and Fli1.","method":"Overexpression and knockdown in K562 cells, differentiation assays (benzidine staining, CD41/CD61 FACS), qPCR for transcription factor levels","journal":"PloS one","confidence":"Medium","confidence_rationale":"Tier 3 — gain- and loss-of-function with multiple lineage readouts, mechanistic link to downstream TFs, single lab","pmids":["24637716"],"is_preprint":false},{"year":2019,"finding":"THAP11 inhibits proliferation of esophageal cancer cells by inhibiting MDM2-mediated ubiquitination of p53, thereby stabilizing p53 protein levels.","method":"Lentiviral overexpression, MTT proliferation assay, flow cytometry for apoptosis, ubiquitination assay for p53","journal":"Journal of Central South University Medical Sciences","confidence":"Low","confidence_rationale":"Tier 3 — single lab, single overexpression approach with ubiquitination assay but limited mechanistic detail on how THAP11 inhibits MDM2","pmids":["31969497"],"is_preprint":false},{"year":2025,"finding":"THAP11 interacts with PRRSV nonstructural protein Nsp1β and promotes its degradation by increasing K48- and K63-linked ubiquitination, thereby restricting PRRSV replication; overexpression of THAP11 reduces viral protein accumulation while silencing increases replication.","method":"Yeast two-hybrid, co-IP, co-localization, ubiquitination assay, overexpression/knockdown with viral replication readout","journal":"Cellular and molecular life sciences","confidence":"Low","confidence_rationale":"Tier 3 — Co-IP and ubiquitination assay in single lab; relevance to human THAP11 function is indirect (porcine virus model)","pmids":["40548980"],"is_preprint":false}],"current_model":"THAP11 (RONIN) is a THAP-domain zinc finger transcription factor that binds specific DNA motifs (centered on ACTACA) and forms a mutually dependent complex with the co-regulator HCF-1 (HCFC1) and ZNF143 at CpG-island promoters to regulate gene programs governing ES cell self-renewal, ribosome biogenesis, mitochondrial function, cell-cycle progression, cobalamin metabolism (via MMACHC), and DNA repair; its C-terminal domain mediates homodimerization through a parallel coiled-coil structure, and pathological polyQ expansion causes protein aggregation, gain-of-function transcriptional dysregulation (including TREM2 upregulation), and TREM2-mediated microglial activation leading to cerebellar neurodegeneration."},"narrative":{"teleology":[{"year":2008,"claim":"The foundational discovery that THAP11 physically binds HCF-1 and is essential for ES cell self-renewal and embryogenesis established it as a transcription factor at the core of pluripotency maintenance, while concurrent work showed it directly represses c-Myc transcription to suppress cell growth.","evidence":"Co-IP of RONIN–HCF-1, conditional knockout mouse ES cells, ectopic expression; ChIP/EMSA on c-Myc promoter with reporter and rescue assays","pmids":["18585351","19008924"],"confidence":"High","gaps":["Genome-wide binding targets were unknown","Whether THAP11 acts primarily as an activator or repressor was unresolved","Structural basis of HCF-1 interaction was undefined"]},{"year":2010,"claim":"Genome-wide ChIP-seq revealed that the RONIN/HCF-1 complex predominantly activates transcription at ACTACA-containing promoters of protein biosynthesis and energy metabolism genes, resolving the question of whether THAP11 is primarily an activator or repressor.","evidence":"ChIP-seq and expression profiling in ES cells","pmids":["20581084"],"confidence":"High","gaps":["The precise DNA-binding motif grammar governing cooperative recruitment was not yet defined","Co-occupancy with other transcription factors was unknown"]},{"year":2013,"claim":"Co-occupancy mapping showed THAP11 shares ~90% of HCF-1 binding sites at CpG-island promoters with ZNF143, and both factors recognize an overlapping ACTACA motif, establishing that THAP11 functions within a multi-factor hub rather than alone.","evidence":"ChIP-seq co-occupancy and motif analysis in HeLa cells; mutual dependency shown by reciprocal knockdown and ChIP in colon cancer cells","pmids":["23539139","22371484"],"confidence":"High","gaps":["Mechanism of cooperative DNA binding between THAP11 and ZNF143 was unclear","Whether the complex directly regulates cell-cycle genes independently of E2F was untested"]},{"year":2014,"claim":"Epistasis experiments demonstrated that THAP11 and ZNF143 cooperatively recruit HCF-1 to E2F-bound cell-cycle gene promoters independently of E2F, directly linking the THAP11/ZNF143/HCF-1 complex to cell-cycle control.","evidence":"ChIP, Co-IP, RNAi knockdown with cell-cycle analysis","pmids":["25437553"],"confidence":"High","gaps":["The cis-regulatory grammar dictating THAP11 versus ZNF143 recruitment at shared motifs was unresolved","In vivo developmental consequences of disrupting this complex at specific loci were untested"]},{"year":2015,"claim":"CRISPR editing of endogenous ACTACA submotifs proved that the position, spacing, and orientation of this element relative to ZNF143 core motifs are critical determinants of THAP11/HCF-1 recruitment and transcriptional output, establishing the cis-regulatory grammar.","evidence":"CRISPR-Cas9 promoter editing, synthetic reporter constructs, ChIP, histone modification analysis","pmids":["26416877"],"confidence":"High","gaps":["Three-dimensional structure of THAP11 protein domains was unknown","Tissue-specific transcriptional programs regulated by THAP11 were unexplored"]},{"year":2016,"claim":"Crystal structure of the THAP11 C-terminal domain revealed a parallel homodimeric coiled-coil, providing the first structural insight, while conditional knockout in retinal progenitors showed THAP11 positively regulates mitochondrial electron transport chain genes, linking it to energy metabolism in vivo.","evidence":"X-ray crystallography with biophysical validation; conditional knockout mouse retina with ETC activity, ATP, and oxidative stress assays","pmids":["26975212","26876175"],"confidence":"High","gaps":["Structure of the THAP zinc-finger domain bound to DNA was still lacking","Whether mitochondrial regulation is a general or tissue-specific THAP11 function was unclear"]},{"year":2017,"claim":"A human THAP11 F80L mutation was identified as causative for a cobalamin metabolism disorder via reduced MMACHC expression, and THAP11 was shown to regulate DNA repair genes (Gtf2h4, Rad18), broadening the functional scope beyond metabolism and cell cycle to include disease and genome maintenance.","evidence":"Patient sequencing with zebrafish loss-of-function validation and RNA-seq; conditional KO ES cells with UV-C treatment and ChIP","pmids":["28449119","28715716"],"confidence":"High","gaps":["Whether additional cobalamin-disorder patients carry THAP11 mutations was unknown","Relative contribution of DNA repair versus metabolic programs to THAP11 phenotypes was unresolved"]},{"year":2021,"claim":"In vivo studies demonstrated that THAP11 governs the metabolic/proliferative transition during implantation by regulating ribosomal protein gene expression, and that overexpression in Purkinje cells causes ataxia through deregulation of SCA-associated gene loci including Ataxin-1.","evidence":"Conditional knockout mouse embryos with metabolic and RNA-seq analysis; transgenic Purkinje cell-specific overexpression mouse with ChIP and Western blot","pmids":["34515391","34165550"],"confidence":"Medium","gaps":["Whether Purkinje cell degeneration is due to gain of THAP11 transcriptional activity or aggregation was unresolved","Direct binding of THAP11 to ribosomal protein gene promoters in embryos was not shown by ChIP"]},{"year":2022,"claim":"Multi-omic analysis in mouse models confirmed that HCFC1/THAP11 jointly regulate ribosomal protein subunit genes and ribosome biogenesis during development, establishing a unified model where metabolic defects in HCFC1/THAP11 disorders converge on translational insufficiency.","evidence":"Mouse knockout models with RNA-seq, ribosome profiling, and metabolic analysis","pmids":["35013307"],"confidence":"High","gaps":["Whether ribosome biogenesis regulation is separable from cobalamin metabolic regulation at the chromatin level was unknown","Therapeutic strategies to restore ribosome biogenesis in THAP11-deficient contexts were unexplored"]},{"year":2025,"claim":"PolyQ-expanded THAP11 was shown to cause cerebellar neurodegeneration through a gain-of-function mechanism involving protein aggregation, transcriptional upregulation of TREM2, and TREM2-mediated microglial activation; genetic ablation of TREM2 or microglial depletion rescued neurodegeneration, establishing a non-cell-autonomous pathogenic mechanism for SCA51.","evidence":"SCA51 knockin mouse, AAV expression in monkeys, TREM2 KO epistasis, microglial depletion, ChIP at TREM2 promoter","pmids":["40459937"],"confidence":"High","gaps":["Whether wild-type THAP11 normally regulates TREM2 or this is purely a neomorphic activity is unclear","The polyQ threshold for aggregation and gain-of-function has not been precisely defined","Whether the TREM2-microglial mechanism applies to other polyQ-expansion ataxias is unknown"]},{"year":2025,"claim":"THAP11 was found to modulate TFEB transcriptional activity through HCF-1, controlling autophagy and lysosomal biogenesis in cochlear hair cells, extending its regulatory reach to lysosomal homeostasis.","evidence":"Co-IP of RONIN–HCF1, overexpression in hair cells with autophagy/lysosomal activity assays","pmids":["39985193"],"confidence":"Medium","gaps":["Whether THAP11 directly binds TFEB or acts indirectly through HCF-1 was not resolved","In vivo hearing phenotype from THAP11 loss in cochlear cells was not reported"]},{"year":null,"claim":"The structure of the THAP zinc-finger domain bound to its ACTACA DNA target, the precise mechanism by which THAP11 cooperates with ZNF143 at shared motifs in three dimensions, and whether the ribosome biogenesis and cobalamin metabolism programs are regulated by separable chromatin complexes remain unresolved.","evidence":"","pmids":[],"confidence":"Low","gaps":["No co-crystal structure of THAP domain with DNA exists","Separation-of-function alleles distinguishing ribosome biogenesis from cobalamin regulation have not been generated","The full spectrum of THAP11 disease-causing mutations and genotype-phenotype correlations is incomplete"]}],"mechanism_profile":{"molecular_activity":[{"term_id":"GO:0003677","term_label":"DNA binding","supporting_discovery_ids":[1,2,4,6]},{"term_id":"GO:0140110","term_label":"transcription regulator activity","supporting_discovery_ids":[0,1,2,3,8,10,12,15]}],"localization":[{"term_id":"GO:0005634","term_label":"nucleus","supporting_discovery_ids":[0,1,4,7,17]}],"pathway":[{"term_id":"R-HSA-1640170","term_label":"Cell Cycle","supporting_discovery_ids":[5,8]},{"term_id":"R-HSA-392499","term_label":"Metabolism of proteins","supporting_discovery_ids":[12,13]},{"term_id":"R-HSA-1430728","term_label":"Metabolism","supporting_discovery_ids":[8,10]},{"term_id":"R-HSA-73894","term_label":"DNA Repair","supporting_discovery_ids":[11]},{"term_id":"R-HSA-9612973","term_label":"Autophagy","supporting_discovery_ids":[16]},{"term_id":"R-HSA-1643685","term_label":"Disease","supporting_discovery_ids":[10,15]}],"complexes":["THAP11/HCF-1/ZNF143 complex"],"partners":["HCFC1","ZNF143","PCBP1","GABP","YY1"],"other_free_text":[]},"mechanistic_narrative":"THAP11 (RONIN) is a THAP-domain zinc finger transcription factor that, in a mutually dependent complex with HCF-1 (HCFC1) and ZNF143 at CpG-island promoters, transcriptionally activates programs essential for ribosome biogenesis, mitochondrial energy production, cell-cycle progression, DNA repair, and cobalamin metabolism [PMID:18585351, PMID:20581084, PMID:25437553, PMID:35013307, PMID:28449119]. It binds a hyperconserved ACTACA-containing DNA motif, where the spacing and orientation of this submotif relative to ZNF143-binding sequences dictate cooperative recruitment of THAP11 and HCF-1 to chromatin, and its C-terminal domain mediates homodimerization through a parallel coiled-coil structure [PMID:26416877, PMID:26975212]. A THAP11 F80L missense mutation causes a cobalamin metabolism disorder through reduced MMACHC expression, and pathological polyglutamine expansion in THAP11 causes protein aggregation, gain-of-function transcriptional upregulation of TREM2, and TREM2/microglia-mediated cerebellar neurodegeneration (spinocerebellar ataxia type 51) [PMID:28449119, PMID:40459937]. THAP11 also represses c-Myc transcription in a DNA-binding-dependent manner and modulates TFEB-driven autophagy/lysosomal activity in cochlear hair cells through its HCF-1 interaction [PMID:19008924, PMID:39985193]."},"prefetch_data":{"uniprot":{"accession":"Q96EK4","full_name":"THAP domain-containing protein 11","aliases":[],"length_aa":314,"mass_kda":34.5,"function":"Transcription factor, which has both transcriptional activation and repression activities (PubMed:31905202). Also modulates chromatin accessibility (PubMed:38361031). In complex with HCFC1 and ZNF143, regulates the expression of several genes, including AP2S1, ESCO2, OPHN1, RBL1, UBXN8 and ZNF32 (PubMed:26416877). May regulate the expression of genes that encode both cytoplasmic and mitochondrial ribosomal proteins (By similarity). Required for normal mitochondrial development and function. Regulates mitochondrial gene expression, including that of components of the electron transport chain (By similarity). Involved in the maintainance of pluripotency in early embryonic cells, possibly through its action on mitochondrial maturation which is required to meet high energy demands of these cells (By similarity). Required for early development of retina, preventing premature exit of retinal progenitor cells from the cell cycle. This effect may also be mediated by its action on mitochondria (By similarity). Through the regulation of MMACHC gene expression, controls cobalamin metabolism (PubMed:28449119, PubMed:31905202). Required for normal brain development and neural precursor differentiation (By similarity). Involved in cell growth (PubMed:31905202)","subcellular_location":"Nucleus; Cytoplasm","url":"https://www.uniprot.org/uniprotkb/Q96EK4/entry"},"depmap":{"release":"DepMap","has_data":true,"is_common_essential":false,"resolved_as":"","url":"https://depmap.org/portal/gene/THAP11","classification":"Not Classified","n_dependent_lines":720,"n_total_lines":1208,"dependency_fraction":0.5960264900662252},"opencell":{"profiled":false,"resolved_as":"","ensg_id":"","cell_line_id":"","localizations":[],"interactors":[],"url":"https://opencell.sf.czbiohub.org/search/THAP11","total_profiled":1310},"omim":[{"mim_id":"620947","title":"SPINOCEREBELLAR ATAXIA 51; SCA51","url":"https://www.omim.org/entry/620947"},{"mim_id":"620940","title":"METHYLMALONIC ACIDURIA AND HOMOCYSTINURIA, cblL TYPE; MAHCL","url":"https://www.omim.org/entry/620940"},{"mim_id":"609520","title":"THAP DOMAIN-CONTAINING PROTEIN 1; THAP1","url":"https://www.omim.org/entry/609520"},{"mim_id":"609119","title":"THAP DOMAIN-CONTAINING PROTEIN 11; THAP11","url":"https://www.omim.org/entry/609119"},{"mim_id":"300019","title":"HOST CELL FACTOR C1; HCFC1","url":"https://www.omim.org/entry/300019"}],"hpa":{"profiled":true,"resolved_as":"","reliability":"Supported","locations":[{"location":"Nucleoplasm","reliability":"Supported"},{"location":"Cytosol","reliability":"Additional"}],"tissue_specificity":"Low tissue specificity","tissue_distribution":"Detected in all","driving_tissues":[],"url":"https://www.proteinatlas.org/search/THAP11"},"hgnc":{"alias_symbol":["HRIHFB2206","CTG-B45d","CTG-B43a","RONIN"],"prev_symbol":[]},"alphafold":{"accession":"Q96EK4","domains":[{"cath_id":"-","chopping":"2-85","consensus_level":"medium","plddt":77.0432,"start":2,"end":85}],"viewer_url":"https://alphafold.ebi.ac.uk/entry/Q96EK4","model_url":"https://alphafold.ebi.ac.uk/files/AF-Q96EK4-F1-model_v6.cif","pae_url":"https://alphafold.ebi.ac.uk/files/AF-Q96EK4-F1-predicted_aligned_error_v6.png","plddt_mean":67.25},"mouse_models":{"mgi_url":"https://www.informatics.jax.org/marker/summary?nomen=THAP11","jax_strain_url":"https://www.jax.org/strain/search?query=THAP11"},"sequence":{"accession":"Q96EK4","fasta_url":"https://rest.uniprot.org/uniprotkb/Q96EK4.fasta","uniprot_url":"https://www.uniprot.org/uniprotkb/Q96EK4/entry","alphafold_viewer_url":"https://alphafold.ebi.ac.uk/entry/Q96EK4"}},"corpus_meta":[{"pmid":"18585351","id":"PMC_18585351","title":"Ronin is essential for embryogenesis and the pluripotency of mouse embryonic stem cells.","date":"2008","source":"Cell","url":"https://pubmed.ncbi.nlm.nih.gov/18585351","citation_count":156,"is_preprint":false},{"pmid":"20581084","id":"PMC_20581084","title":"Ronin/Hcf-1 binds to a hyperconserved enhancer element and regulates genes involved in the growth of embryonic stem cells.","date":"2010","source":"Genes & development","url":"https://pubmed.ncbi.nlm.nih.gov/20581084","citation_count":98,"is_preprint":false},{"pmid":"23539139","id":"PMC_23539139","title":"HCFC1 is a common component of active human CpG-island promoters and coincides with ZNF143, THAP11, YY1, and GABP transcription factor occupancy.","date":"2013","source":"Genome research","url":"https://pubmed.ncbi.nlm.nih.gov/23539139","citation_count":84,"is_preprint":false},{"pmid":"22371484","id":"PMC_22371484","title":"A transcriptional regulatory role of the THAP11-HCF-1 complex in colon cancer cell function.","date":"2012","source":"Molecular and cellular biology","url":"https://pubmed.ncbi.nlm.nih.gov/22371484","citation_count":54,"is_preprint":false},{"pmid":"28449119","id":"PMC_28449119","title":"Mutations in THAP11 cause an inborn error of cobalamin metabolism and developmental abnormalities.","date":"2017","source":"Human molecular genetics","url":"https://pubmed.ncbi.nlm.nih.gov/28449119","citation_count":47,"is_preprint":false},{"pmid":"25437553","id":"PMC_25437553","title":"Host cell factor-1 recruitment to E2F-bound and cell-cycle-control genes is mediated by THAP11 and ZNF143.","date":"2014","source":"Cell reports","url":"https://pubmed.ncbi.nlm.nih.gov/25437553","citation_count":47,"is_preprint":false},{"pmid":"37148549","id":"PMC_37148549","title":"CAG Repeat Expansion in THAP11 Is Associated with a Novel Spinocerebellar Ataxia.","date":"2023","source":"Movement disorders : official journal of the Movement Disorder Society","url":"https://pubmed.ncbi.nlm.nih.gov/37148549","citation_count":38,"is_preprint":false},{"pmid":"22673507","id":"PMC_22673507","title":"THAP11, a novel binding protein of PCBP1, negatively regulates CD44 alternative splicing and cell invasion in a human hepatoma cell line.","date":"2012","source":"FEBS letters","url":"https://pubmed.ncbi.nlm.nih.gov/22673507","citation_count":32,"is_preprint":false},{"pmid":"19008924","id":"PMC_19008924","title":"Cell growth suppression by thanatos-associated protein 11(THAP11) is mediated by transcriptional downregulation of c-Myc.","date":"2008","source":"Cell death and differentiation","url":"https://pubmed.ncbi.nlm.nih.gov/19008924","citation_count":31,"is_preprint":false},{"pmid":"35013307","id":"PMC_35013307","title":"Mutations in Hcfc1 and Ronin result in an inborn error of cobalamin metabolism and ribosomopathy.","date":"2022","source":"Nature communications","url":"https://pubmed.ncbi.nlm.nih.gov/35013307","citation_count":25,"is_preprint":false},{"pmid":"26876175","id":"PMC_26876175","title":"RONIN Is an Essential Transcriptional Regulator of Genes Required for Mitochondrial Function in the Developing Retina.","date":"2016","source":"Cell reports","url":"https://pubmed.ncbi.nlm.nih.gov/26876175","citation_count":25,"is_preprint":false},{"pmid":"26416877","id":"PMC_26416877","title":"Genomic Determinants of THAP11/ZNF143/HCFC1 Complex Recruitment to Chromatin.","date":"2015","source":"Molecular and cellular biology","url":"https://pubmed.ncbi.nlm.nih.gov/26416877","citation_count":21,"is_preprint":false},{"pmid":"15368101","id":"PMC_15368101","title":"SMARCA2 and THAP11: potential candidates for polyglutamine disorders as evidenced from polymorphism and protein-folding simulation studies.","date":"2004","source":"Journal of human genetics","url":"https://pubmed.ncbi.nlm.nih.gov/15368101","citation_count":18,"is_preprint":false},{"pmid":"39985193","id":"PMC_39985193","title":"RONIN/HCF1-TFEB Axis Protects Against D-Galactose-Induced Cochlear Hair Cell Senescence Through Autophagy Activation.","date":"2025","source":"Advanced science (Weinheim, Baden-Wurttemberg, Germany)","url":"https://pubmed.ncbi.nlm.nih.gov/39985193","citation_count":17,"is_preprint":false},{"pmid":"28715716","id":"PMC_28715716","title":"Ronin influences the DNA damage response in pluripotent stem cells.","date":"2017","source":"Stem cell research","url":"https://pubmed.ncbi.nlm.nih.gov/28715716","citation_count":10,"is_preprint":false},{"pmid":"34515391","id":"PMC_34515391","title":"Ronin governs the metabolic capacity of the embryonic lineage for post-implantation development.","date":"2021","source":"EMBO reports","url":"https://pubmed.ncbi.nlm.nih.gov/34515391","citation_count":10,"is_preprint":false},{"pmid":"32908912","id":"PMC_32908912","title":"THAP11 Functions as a Tumor Suppressor in Gastric Cancer through Regulating c-Myc Signaling Pathways.","date":"2020","source":"BioMed research international","url":"https://pubmed.ncbi.nlm.nih.gov/32908912","citation_count":9,"is_preprint":false},{"pmid":"24637716","id":"PMC_24637716","title":"Effects of THAP11 on erythroid differentiation and megakaryocytic differentiation of K562 cells.","date":"2014","source":"PloS one","url":"https://pubmed.ncbi.nlm.nih.gov/24637716","citation_count":8,"is_preprint":false},{"pmid":"21347804","id":"PMC_21347804","title":"The efficacy and safety of reinstitution of tocilizumab in patients with relapsed active rheumatoid arthritis after long-term withdrawal of tocilizumab: retreatment of patients with rheumatoid arthritis with novel anti-IL-6 receptor antibody after a long-term interval following SAMURAI: the RONIN study.","date":"2011","source":"Modern rheumatology","url":"https://pubmed.ncbi.nlm.nih.gov/21347804","citation_count":8,"is_preprint":false},{"pmid":"26975212","id":"PMC_26975212","title":"The C-terminal region of the transcriptional regulator THAP11 forms a parallel coiled-coil domain involved in protein dimerization.","date":"2016","source":"Journal of structural biology","url":"https://pubmed.ncbi.nlm.nih.gov/26975212","citation_count":7,"is_preprint":false},{"pmid":"24677642","id":"PMC_24677642","title":"Expansion of the polyQ repeats in THAP11 forms intranuclear aggregation and causes cell G0/G1 arrest.","date":"2014","source":"Cell biology international","url":"https://pubmed.ncbi.nlm.nih.gov/24677642","citation_count":5,"is_preprint":false},{"pmid":"19022753","id":"PMC_19022753","title":"Ronin and caspases in embryonic stem cells: a new perspective on regulation of the pluripotent state.","date":"2008","source":"Cold Spring Harbor symposia on quantitative biology","url":"https://pubmed.ncbi.nlm.nih.gov/19022753","citation_count":5,"is_preprint":false},{"pmid":"34165550","id":"PMC_34165550","title":"Ronin overexpression induces cerebellar degeneration in a mouse model of ataxia.","date":"2021","source":"Disease models & mechanisms","url":"https://pubmed.ncbi.nlm.nih.gov/34165550","citation_count":4,"is_preprint":false},{"pmid":"40459937","id":"PMC_40459937","title":"Mutant THAP11 causes cerebellar neurodegeneration and triggers TREM2-mediated microglial activation in mice.","date":"2025","source":"The Journal of clinical investigation","url":"https://pubmed.ncbi.nlm.nih.gov/40459937","citation_count":3,"is_preprint":false},{"pmid":"34466492","id":"PMC_34466492","title":"Induced Overexpression of THAP11 in Human Fibroblast Cells Enhances Expression of Key Pluripotency Genes.","date":"2019","source":"Galen medical journal","url":"https://pubmed.ncbi.nlm.nih.gov/34466492","citation_count":2,"is_preprint":false},{"pmid":"31969497","id":"PMC_31969497","title":"[THAP11 mediates the proliferation and apoptosis of esophageal cancer cells via inhibiting ubiquitination of p53].","date":"2019","source":"Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences","url":"https://pubmed.ncbi.nlm.nih.gov/31969497","citation_count":1,"is_preprint":false},{"pmid":"33711390","id":"PMC_33711390","title":"THAP11 down-regulation may contribute to cardio-protective effects of sevoflurane anesthesia: Evidence from clinical and molecular evidence.","date":"2021","source":"Life sciences","url":"https://pubmed.ncbi.nlm.nih.gov/33711390","citation_count":1,"is_preprint":false},{"pmid":"40548980","id":"PMC_40548980","title":"THAP11-mediated K48- and K63-linked ubiquitination is essential for the degradation of porcine reproductive and respiratory syndrome virus nonstructural protein 1β.","date":"2025","source":"Cellular and molecular life sciences : CMLS","url":"https://pubmed.ncbi.nlm.nih.gov/40548980","citation_count":1,"is_preprint":false},{"pmid":"38943762","id":"PMC_38943762","title":"Generation of human pluripotent stem cell lines (WAe009-A) with THAP11F80L cobalamin disorder-associated mutation.","date":"2024","source":"Stem cell research","url":"https://pubmed.ncbi.nlm.nih.gov/38943762","citation_count":0,"is_preprint":false}],"cost":{"stage1":{"model":"claude-sonnet-4-6","input_tokens":13628,"output_tokens":4667,"usd":0.055445},"stage2":{"model":"claude-opus-4-6","input_tokens":8184,"output_tokens":3414,"usd":0.189405},"total_usd":0.24485,"stage1_batch_id":"msgbatch_01RPbVc9PDH9zQmYK5Hs6srm","stage2_batch_id":"msgbatch_01JVbVLzeKN2yVrsGp3zC8aM","note":"batch pricing = 50% of standard"},"stage1_raw":"```json\n{\n  \"discoveries\": [\n    {\n      \"year\": 2008,\n      \"finding\": \"RONIN (THAP11) directly binds HCF-1 (host cell factor 1), and this interaction is essential for ES cell self-renewal and embryogenesis; conditional knockout of Ronin prevents ES cell growth while forced expression allows proliferation without differentiation.\",\n      \"method\": \"Co-immunoprecipitation, conditional knockout mouse, ectopic expression in ES cells\",\n      \"journal\": \"Cell\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — reciprocal Co-IP plus genetic loss-of-function and gain-of-function, highly cited foundational paper\",\n      \"pmids\": [\"18585351\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2010,\n      \"finding\": \"RONIN/HCF-1 complex binds a hyperconserved enhancer element (ACTACA-containing motif) at promoters of genes involved in transcription initiation, mRNA splicing, and cell metabolism, and at these sites RONIN/HCF-1 predominantly upregulates gene expression (e.g., protein biosynthesis and energy production genes) rather than repressing them.\",\n      \"method\": \"ChIP-seq, genome-wide promoter binding analysis, gene expression profiling\",\n      \"journal\": \"Genes & development\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — genome-wide ChIP-seq with expression profiling, replicated binding motif analysis, highly cited\",\n      \"pmids\": [\"20581084\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2008,\n      \"finding\": \"THAP11 represses c-Myc transcription by directly binding the c-Myc promoter in a DNA-binding-dependent manner, and this repression mediates THAP11's cell growth suppressor function; c-Myc overexpression rescues THAP11-mediated growth inhibition.\",\n      \"method\": \"Promoter reporter assays, ChIP, EMSA, RNAi knockdown, c-Myc rescue experiment\",\n      \"journal\": \"Cell death and differentiation\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1–2 — in vitro DNA binding (EMSA), ChIP, reporter assay, and genetic epistasis rescue, multiple orthogonal methods\",\n      \"pmids\": [\"19008924\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2012,\n      \"finding\": \"THAP11 physically associates with the transcriptional coregulator HCF-1, recruits HCF-1 to target gene promoters, and both THAP11-mediated gene repression and HCF-1 recruitment at target genes are mutually dependent: THAP11 requires HCF-1 for chromatin association and HCF-1 requires THAP11 for recruitment at these loci in colon cancer cells.\",\n      \"method\": \"Co-immunoprecipitation, ChIP, gene expression profiling after THAP11 knockdown\",\n      \"journal\": \"Molecular and cellular biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — reciprocal dependency shown by Co-IP and ChIP with knockdown controls, multiple orthogonal methods\",\n      \"pmids\": [\"22371484\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2013,\n      \"finding\": \"In human HeLa cells, HCFC1 (HCF-1) co-occupies approximately 90% of its ~5400 CpG-island promoter binding sites together with THAP11 (Ronin), ZNF143, GABP, and YY1, with THAP11 and ZNF143 sharing an underlying ACTACA DNA sequence motif.\",\n      \"method\": \"ChIP-seq, motif analysis, genome-wide co-occupancy mapping\",\n      \"journal\": \"Genome research\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — genome-wide ChIP-seq with motif analysis, replicated across multiple factors\",\n      \"pmids\": [\"23539139\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"HCF-1 recruitment to E2F-bound cell-cycle-control gene promoters is mediated by the cooperative action of THAP11 and ZNF143, not directly by E2F proteins; THAP11, ZNF143, and HCF-1 form a mutually dependent complex on chromatin independently of E2F occupancy, and disruption of this complex reduces cell proliferation and cell-cycle progression.\",\n      \"method\": \"ChIP, Co-IP, RNAi knockdown, cell-cycle analysis, gene expression profiling\",\n      \"journal\": \"Cell reports\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — reciprocal Co-IP plus ChIP and functional epistasis with multiple knockdowns, replicated by independent lab\",\n      \"pmids\": [\"25437553\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2015,\n      \"finding\": \"The ACTACA submotif, shared by THAP11 and ZNF143 binding sequences, directs cooperative recruitment of THAP11 and HCFC1 to ZNF143-occupied loci; the position, spacing, and orientation of this submotif relative to the ZNF143 core motif are critical, and CRISPR-Cas9 alteration of this submotif at endogenous promoters alters THAP11/HCF-1 recruitment, gene transcription, and histone modifications.\",\n      \"method\": \"CRISPR-Cas9 endogenous promoter editing, synthetic integrated constructs, ChIP, gene expression analysis\",\n      \"journal\": \"Molecular and cellular biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1–2 — CRISPR editing of endogenous loci plus synthetic construct validation, multiple orthogonal methods\",\n      \"pmids\": [\"26416877\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"The C-terminal region of human THAP11 forms a left-handed parallel homo-dimeric coiled-coil structure, providing the first 3D structural information for this domain.\",\n      \"method\": \"X-ray crystallography, molecular dynamics simulation, biophysical experiments (CD, SEC, etc.)\",\n      \"journal\": \"Journal of structural biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 — crystal structure plus biophysical validation and MD simulations\",\n      \"pmids\": [\"26975212\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"RONIN (THAP11) functions as a positive transcriptional regulator of mitochondrial genes, including electron transport chain (ETC) components of complexes I, III, and IV; RPC-specific loss of Ronin leads to deficient ETC activity, reduced ATP levels, increased oxidative stress, and premature cell-cycle exit in the developing retina.\",\n      \"method\": \"Conditional knockout mouse, ChIP, ETC activity assays, ATP measurement, oxidative stress assays\",\n      \"journal\": \"Cell reports\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — conditional KO with multiple biochemical readouts and ChIP binding evidence\",\n      \"pmids\": [\"26876175\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2012,\n      \"finding\": \"THAP11 physically interacts with PCBP1 and negatively regulates CD44 v6 alternative splicing and cell invasion; deletion of the PCBP1-binding domain of THAP11 or PCBP1 knockdown abolishes THAP11's ability to inhibit CD44 v6 expression.\",\n      \"method\": \"Co-immunoprecipitation, domain deletion analysis, PCBP1 knockdown, CD44 splicing assay, invasion assay\",\n      \"journal\": \"FEBS letters\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 3 — Co-IP plus domain deletion and functional rescue, single lab\",\n      \"pmids\": [\"22673507\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2017,\n      \"finding\": \"THAP11/HCF-1 complex regulates expression of MMACHC, the enzyme responsible for intracellular cobalamin metabolism; a THAP11 F80L missense mutation in a patient causes reduced MMACHC expression and a cobalamin disorder phenotype. In zebrafish, loss of THAP11 causes craniofacial cartilage defects and impaired neural precursor proliferation/differentiation.\",\n      \"method\": \"Patient Sanger sequencing, zebrafish loss-of-function experiments, RNA-seq, functional complementation\",\n      \"journal\": \"Human molecular genetics\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — human genetic + zebrafish KD functional validation + RNA-seq target overlap with HCFC1\",\n      \"pmids\": [\"28449119\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2017,\n      \"finding\": \"Conditional Ronin knockout sensitizes embryonic stem cells to UV-C-induced DNA damage through ATR pathway activation and G2/M arrest; RONIN binds to and transcriptionally regulates DNA repair factor genes including Gtf2h4 and Rad18.\",\n      \"method\": \"Conditional knockout ES cells, UV-C treatment, ATR pathway assays, ChIP, cell-cycle analysis\",\n      \"journal\": \"Stem cell research\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — conditional KO with mechanistic ChIP evidence, single lab study\",\n      \"pmids\": [\"28715716\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2022,\n      \"finding\": \"HCFC1/RONIN (THAP11) jointly regulate expression of ribosomal protein subunit genes in addition to MMACHC; mouse models of Hcfc1/Ronin mutation exhibit reduced ribosome biogenesis and translation defects, identifying HCFC1/RONIN as transcriptional regulators of ribosome biogenesis during development.\",\n      \"method\": \"Mouse knockout models, RNA-seq, ribosome profiling, metabolic analysis\",\n      \"journal\": \"Nature communications\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — in vivo mouse models with multi-omic profiling and biochemical validation, replicated findings across models\",\n      \"pmids\": [\"35013307\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2021,\n      \"finding\": \"Ronin governs the metabolic/proliferative transition during implantation by enabling active energy production; loss of Ronin results in a reversible quiescent state promoting naïve pluripotency, and Ronin fine-tunes expression of ribosomal protein genes.\",\n      \"method\": \"Conditional knockout mouse embryo, metabolic assays, RNA-seq, ES cell blastocyst derivation\",\n      \"journal\": \"EMBO reports\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — conditional KO with metabolic and transcriptomic readouts, single lab\",\n      \"pmids\": [\"34515391\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2021,\n      \"finding\": \"Transgenic overexpression of Ronin in mouse cerebellar Purkinje cells causes loss of Purkinje cells and severe ataxia; mechanistically, Ronin transcriptionally deregulates several SCA-causing gene loci (which harbor Ronin DNA-binding motifs), and ectopic Ronin expression increases Ataxin-1 protein levels.\",\n      \"method\": \"Transgenic mouse model, Purkinje cell-specific expression, ChIP for motif analysis, Western blot for Ataxin-1\",\n      \"journal\": \"Disease models & mechanisms\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — in vivo transgenic model with mechanistic ChIP and protein-level evidence, single lab\",\n      \"pmids\": [\"34165550\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"THAP11 with polyQ expansion (mutant THAP11) forms protein aggregates in the cytoplasm/nucleus, causes cerebellar neurodegeneration through gain-of-function mechanisms (knockdown of endogenous THAP11 does not affect neuronal survival), and transcriptionally upregulates TREM2, leading to TREM2-mediated microglial activation that contributes to neurodegeneration; loss of TREM2 or microglial depletion mitigates mutant THAP11-induced neurodegeneration.\",\n      \"method\": \"SCA51 knockin mouse model, AAV-mediated expression in monkeys, TREM2 KO epistasis, microglial depletion, ChIP for TREM2 promoter binding\",\n      \"journal\": \"The Journal of clinical investigation\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 — knockin mouse plus epistasis (TREM2 KO rescue) plus ChIP, multiple orthogonal methods\",\n      \"pmids\": [\"40459937\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"RONIN (THAP11), through its interaction with HCF1/HCFC1, modulates transcriptional activity of Tfeb (TFEB), thereby controlling autophagy and lysosomal activity in cochlear hair cells; RONIN overexpression increases autophagy and lysosomal activity.\",\n      \"method\": \"Co-immunoprecipitation, overexpression in hair cells, autophagy/lysosomal activity assays\",\n      \"journal\": \"Advanced science\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 3 — Co-IP plus functional assays, single lab study\",\n      \"pmids\": [\"39985193\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"Expansion of polyglutamine repeats in THAP11 (THAP11-38Q) causes intranuclear inclusion formation in PC12 cells, G0/G1 cell-cycle arrest, and inhibition of CREB-mediated transcription; TBP, CBP, and HSP70 are recruited to THAP11-38Q aggregates.\",\n      \"method\": \"Fluorescence confocal imaging, flow cytometry, reporter assay for CREB activity, co-immunoprecipitation/colocalization\",\n      \"journal\": \"Cell biology international\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 3 — cell imaging plus functional assays, single lab\",\n      \"pmids\": [\"24677642\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"THAP11 regulates hematopoietic lineage differentiation: overexpression inhibits erythroid differentiation and promotes megakaryocytic differentiation of K562 cells, partly by altering expression of transcription factors c-Myc, c-Myb, GATA-2, and Fli1.\",\n      \"method\": \"Overexpression and knockdown in K562 cells, differentiation assays (benzidine staining, CD41/CD61 FACS), qPCR for transcription factor levels\",\n      \"journal\": \"PloS one\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 3 — gain- and loss-of-function with multiple lineage readouts, mechanistic link to downstream TFs, single lab\",\n      \"pmids\": [\"24637716\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2019,\n      \"finding\": \"THAP11 inhibits proliferation of esophageal cancer cells by inhibiting MDM2-mediated ubiquitination of p53, thereby stabilizing p53 protein levels.\",\n      \"method\": \"Lentiviral overexpression, MTT proliferation assay, flow cytometry for apoptosis, ubiquitination assay for p53\",\n      \"journal\": \"Journal of Central South University Medical Sciences\",\n      \"confidence\": \"Low\",\n      \"confidence_rationale\": \"Tier 3 — single lab, single overexpression approach with ubiquitination assay but limited mechanistic detail on how THAP11 inhibits MDM2\",\n      \"pmids\": [\"31969497\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"THAP11 interacts with PRRSV nonstructural protein Nsp1β and promotes its degradation by increasing K48- and K63-linked ubiquitination, thereby restricting PRRSV replication; overexpression of THAP11 reduces viral protein accumulation while silencing increases replication.\",\n      \"method\": \"Yeast two-hybrid, co-IP, co-localization, ubiquitination assay, overexpression/knockdown with viral replication readout\",\n      \"journal\": \"Cellular and molecular life sciences\",\n      \"confidence\": \"Low\",\n      \"confidence_rationale\": \"Tier 3 — Co-IP and ubiquitination assay in single lab; relevance to human THAP11 function is indirect (porcine virus model)\",\n      \"pmids\": [\"40548980\"],\n      \"is_preprint\": false\n    }\n  ],\n  \"current_model\": \"THAP11 (RONIN) is a THAP-domain zinc finger transcription factor that binds specific DNA motifs (centered on ACTACA) and forms a mutually dependent complex with the co-regulator HCF-1 (HCFC1) and ZNF143 at CpG-island promoters to regulate gene programs governing ES cell self-renewal, ribosome biogenesis, mitochondrial function, cell-cycle progression, cobalamin metabolism (via MMACHC), and DNA repair; its C-terminal domain mediates homodimerization through a parallel coiled-coil structure, and pathological polyQ expansion causes protein aggregation, gain-of-function transcriptional dysregulation (including TREM2 upregulation), and TREM2-mediated microglial activation leading to cerebellar neurodegeneration.\"\n}\n```","stage2_raw":"```json\n{\n  \"mechanistic_narrative\": \"THAP11 (RONIN) is a THAP-domain zinc finger transcription factor that, in a mutually dependent complex with HCF-1 (HCFC1) and ZNF143 at CpG-island promoters, transcriptionally activates programs essential for ribosome biogenesis, mitochondrial energy production, cell-cycle progression, DNA repair, and cobalamin metabolism [PMID:18585351, PMID:20581084, PMID:25437553, PMID:35013307, PMID:28449119]. It binds a hyperconserved ACTACA-containing DNA motif, where the spacing and orientation of this submotif relative to ZNF143-binding sequences dictate cooperative recruitment of THAP11 and HCF-1 to chromatin, and its C-terminal domain mediates homodimerization through a parallel coiled-coil structure [PMID:26416877, PMID:26975212]. A THAP11 F80L missense mutation causes a cobalamin metabolism disorder through reduced MMACHC expression, and pathological polyglutamine expansion in THAP11 causes protein aggregation, gain-of-function transcriptional upregulation of TREM2, and TREM2/microglia-mediated cerebellar neurodegeneration (spinocerebellar ataxia type 51) [PMID:28449119, PMID:40459937]. THAP11 also represses c-Myc transcription in a DNA-binding-dependent manner and modulates TFEB-driven autophagy/lysosomal activity in cochlear hair cells through its HCF-1 interaction [PMID:19008924, PMID:39985193].\",\n  \"teleology\": [\n    {\n      \"year\": 2008,\n      \"claim\": \"The foundational discovery that THAP11 physically binds HCF-1 and is essential for ES cell self-renewal and embryogenesis established it as a transcription factor at the core of pluripotency maintenance, while concurrent work showed it directly represses c-Myc transcription to suppress cell growth.\",\n      \"evidence\": \"Co-IP of RONIN–HCF-1, conditional knockout mouse ES cells, ectopic expression; ChIP/EMSA on c-Myc promoter with reporter and rescue assays\",\n      \"pmids\": [\"18585351\", \"19008924\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Genome-wide binding targets were unknown\",\n        \"Whether THAP11 acts primarily as an activator or repressor was unresolved\",\n        \"Structural basis of HCF-1 interaction was undefined\"\n      ]\n    },\n    {\n      \"year\": 2010,\n      \"claim\": \"Genome-wide ChIP-seq revealed that the RONIN/HCF-1 complex predominantly activates transcription at ACTACA-containing promoters of protein biosynthesis and energy metabolism genes, resolving the question of whether THAP11 is primarily an activator or repressor.\",\n      \"evidence\": \"ChIP-seq and expression profiling in ES cells\",\n      \"pmids\": [\"20581084\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"The precise DNA-binding motif grammar governing cooperative recruitment was not yet defined\",\n        \"Co-occupancy with other transcription factors was unknown\"\n      ]\n    },\n    {\n      \"year\": 2013,\n      \"claim\": \"Co-occupancy mapping showed THAP11 shares ~90% of HCF-1 binding sites at CpG-island promoters with ZNF143, and both factors recognize an overlapping ACTACA motif, establishing that THAP11 functions within a multi-factor hub rather than alone.\",\n      \"evidence\": \"ChIP-seq co-occupancy and motif analysis in HeLa cells; mutual dependency shown by reciprocal knockdown and ChIP in colon cancer cells\",\n      \"pmids\": [\"23539139\", \"22371484\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Mechanism of cooperative DNA binding between THAP11 and ZNF143 was unclear\",\n        \"Whether the complex directly regulates cell-cycle genes independently of E2F was untested\"\n      ]\n    },\n    {\n      \"year\": 2014,\n      \"claim\": \"Epistasis experiments demonstrated that THAP11 and ZNF143 cooperatively recruit HCF-1 to E2F-bound cell-cycle gene promoters independently of E2F, directly linking the THAP11/ZNF143/HCF-1 complex to cell-cycle control.\",\n      \"evidence\": \"ChIP, Co-IP, RNAi knockdown with cell-cycle analysis\",\n      \"pmids\": [\"25437553\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"The cis-regulatory grammar dictating THAP11 versus ZNF143 recruitment at shared motifs was unresolved\",\n        \"In vivo developmental consequences of disrupting this complex at specific loci were untested\"\n      ]\n    },\n    {\n      \"year\": 2015,\n      \"claim\": \"CRISPR editing of endogenous ACTACA submotifs proved that the position, spacing, and orientation of this element relative to ZNF143 core motifs are critical determinants of THAP11/HCF-1 recruitment and transcriptional output, establishing the cis-regulatory grammar.\",\n      \"evidence\": \"CRISPR-Cas9 promoter editing, synthetic reporter constructs, ChIP, histone modification analysis\",\n      \"pmids\": [\"26416877\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Three-dimensional structure of THAP11 protein domains was unknown\",\n        \"Tissue-specific transcriptional programs regulated by THAP11 were unexplored\"\n      ]\n    },\n    {\n      \"year\": 2016,\n      \"claim\": \"Crystal structure of the THAP11 C-terminal domain revealed a parallel homodimeric coiled-coil, providing the first structural insight, while conditional knockout in retinal progenitors showed THAP11 positively regulates mitochondrial electron transport chain genes, linking it to energy metabolism in vivo.\",\n      \"evidence\": \"X-ray crystallography with biophysical validation; conditional knockout mouse retina with ETC activity, ATP, and oxidative stress assays\",\n      \"pmids\": [\"26975212\", \"26876175\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Structure of the THAP zinc-finger domain bound to DNA was still lacking\",\n        \"Whether mitochondrial regulation is a general or tissue-specific THAP11 function was unclear\"\n      ]\n    },\n    {\n      \"year\": 2017,\n      \"claim\": \"A human THAP11 F80L mutation was identified as causative for a cobalamin metabolism disorder via reduced MMACHC expression, and THAP11 was shown to regulate DNA repair genes (Gtf2h4, Rad18), broadening the functional scope beyond metabolism and cell cycle to include disease and genome maintenance.\",\n      \"evidence\": \"Patient sequencing with zebrafish loss-of-function validation and RNA-seq; conditional KO ES cells with UV-C treatment and ChIP\",\n      \"pmids\": [\"28449119\", \"28715716\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Whether additional cobalamin-disorder patients carry THAP11 mutations was unknown\",\n        \"Relative contribution of DNA repair versus metabolic programs to THAP11 phenotypes was unresolved\"\n      ]\n    },\n    {\n      \"year\": 2021,\n      \"claim\": \"In vivo studies demonstrated that THAP11 governs the metabolic/proliferative transition during implantation by regulating ribosomal protein gene expression, and that overexpression in Purkinje cells causes ataxia through deregulation of SCA-associated gene loci including Ataxin-1.\",\n      \"evidence\": \"Conditional knockout mouse embryos with metabolic and RNA-seq analysis; transgenic Purkinje cell-specific overexpression mouse with ChIP and Western blot\",\n      \"pmids\": [\"34515391\", \"34165550\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"Whether Purkinje cell degeneration is due to gain of THAP11 transcriptional activity or aggregation was unresolved\",\n        \"Direct binding of THAP11 to ribosomal protein gene promoters in embryos was not shown by ChIP\"\n      ]\n    },\n    {\n      \"year\": 2022,\n      \"claim\": \"Multi-omic analysis in mouse models confirmed that HCFC1/THAP11 jointly regulate ribosomal protein subunit genes and ribosome biogenesis during development, establishing a unified model where metabolic defects in HCFC1/THAP11 disorders converge on translational insufficiency.\",\n      \"evidence\": \"Mouse knockout models with RNA-seq, ribosome profiling, and metabolic analysis\",\n      \"pmids\": [\"35013307\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Whether ribosome biogenesis regulation is separable from cobalamin metabolic regulation at the chromatin level was unknown\",\n        \"Therapeutic strategies to restore ribosome biogenesis in THAP11-deficient contexts were unexplored\"\n      ]\n    },\n    {\n      \"year\": 2025,\n      \"claim\": \"PolyQ-expanded THAP11 was shown to cause cerebellar neurodegeneration through a gain-of-function mechanism involving protein aggregation, transcriptional upregulation of TREM2, and TREM2-mediated microglial activation; genetic ablation of TREM2 or microglial depletion rescued neurodegeneration, establishing a non-cell-autonomous pathogenic mechanism for SCA51.\",\n      \"evidence\": \"SCA51 knockin mouse, AAV expression in monkeys, TREM2 KO epistasis, microglial depletion, ChIP at TREM2 promoter\",\n      \"pmids\": [\"40459937\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Whether wild-type THAP11 normally regulates TREM2 or this is purely a neomorphic activity is unclear\",\n        \"The polyQ threshold for aggregation and gain-of-function has not been precisely defined\",\n        \"Whether the TREM2-microglial mechanism applies to other polyQ-expansion ataxias is unknown\"\n      ]\n    },\n    {\n      \"year\": 2025,\n      \"claim\": \"THAP11 was found to modulate TFEB transcriptional activity through HCF-1, controlling autophagy and lysosomal biogenesis in cochlear hair cells, extending its regulatory reach to lysosomal homeostasis.\",\n      \"evidence\": \"Co-IP of RONIN–HCF1, overexpression in hair cells with autophagy/lysosomal activity assays\",\n      \"pmids\": [\"39985193\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"Whether THAP11 directly binds TFEB or acts indirectly through HCF-1 was not resolved\",\n        \"In vivo hearing phenotype from THAP11 loss in cochlear cells was not reported\"\n      ]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"The structure of the THAP zinc-finger domain bound to its ACTACA DNA target, the precise mechanism by which THAP11 cooperates with ZNF143 at shared motifs in three dimensions, and whether the ribosome biogenesis and cobalamin metabolism programs are regulated by separable chromatin complexes remain unresolved.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"Low\",\n      \"gaps\": [\n        \"No co-crystal structure of THAP domain with DNA exists\",\n        \"Separation-of-function alleles distinguishing ribosome biogenesis from cobalamin regulation have not been generated\",\n        \"The full spectrum of THAP11 disease-causing mutations and genotype-phenotype correlations is incomplete\"\n      ]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [\n      {\"term_id\": \"GO:0003677\", \"supporting_discovery_ids\": [1, 2, 4, 6]},\n      {\"term_id\": \"GO:0140110\", \"supporting_discovery_ids\": [0, 1, 2, 3, 8, 10, 12, 15]}\n    ],\n    \"localization\": [\n      {\"term_id\": \"GO:0005634\", \"supporting_discovery_ids\": [0, 1, 4, 7, 17]}\n    ],\n    \"pathway\": [\n      {\"term_id\": \"GO:0074160\", \"supporting_discovery_ids\": [1, 2, 3, 8, 10, 12]},\n      {\"term_id\": \"R-HSA-1640170\", \"supporting_discovery_ids\": [5, 8]},\n      {\"term_id\": \"R-HSA-392499\", \"supporting_discovery_ids\": [12, 13]},\n      {\"term_id\": \"R-HSA-1430728\", \"supporting_discovery_ids\": [8, 10]},\n      {\"term_id\": \"R-HSA-73894\", \"supporting_discovery_ids\": [11]},\n      {\"term_id\": \"R-HSA-9612973\", \"supporting_discovery_ids\": [16]},\n      {\"term_id\": \"R-HSA-1643685\", \"supporting_discovery_ids\": [10, 15]}\n    ],\n    \"complexes\": [\n      \"THAP11/HCF-1/ZNF143 complex\"\n    ],\n    \"partners\": [\n      \"HCFC1\",\n      \"ZNF143\",\n      \"PCBP1\",\n      \"GABP\",\n      \"YY1\"\n    ],\n    \"other_free_text\": []\n  }\n}\n```"}