{"gene":"RARS1","run_date":"2026-06-10T06:43:36","timeline":{"discoveries":[{"year":2014,"finding":"Mutations in RARS1 (encoding cytoplasmic arginyl-tRNA synthetase) cause hypomyelination; RARS1 protein is a subunit of the multisynthetase complex, which is implicated as a key player in myelination.","method":"Whole exome sequencing of patients with hypomyelination combined with identification of compound heterozygous mutations in RARS1; clinical and MRI characterization","journal":"Annals of neurology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genetic loss-of-function (patient mutations) with defined neurological phenotype; single study but multiple patients with convergent findings","pmids":["24777941"],"is_preprint":false},{"year":2017,"finding":"RARS1 protein levels and multisynthetase complex levels are significantly reduced (by 80% and 90% respectively) in patient fibroblasts carrying homozygous or compound heterozygous RARS1 mutations; patient fibroblasts show impaired proliferation under arginine-limited conditions, indicating inefficiency of protein synthesis (aminoacylation function).","method":"Western blotting and Blue native-PAGE on patient fibroblast extracts; fibroblast proliferation assay under arginine-limiting conditions","journal":"European journal of human genetics","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — two orthogonal biochemical methods (western blot, BN-PAGE) plus functional proliferation assay, single lab","pmids":["28905880"],"is_preprint":false},{"year":2021,"finding":"Disease-causing RARS1 mutations have distinct pathogenic mechanisms: the R512Q substitution and frameshift (ΔC/Y616Lfs*6) mutations impair the structure and aminoacylation activity of human cytoplasmic arginyl-tRNA synthetase (hArgRS), whereas the most frequent mutation c.5A>G (p.D2G) does not impair hArgRS aminoacylation activity but instead reduces translation of hArgRS mRNA, with an upstream open reading frame contributing to suppressed translation of the downstream main ORF.","method":"In vitro enzymatic activity assays of recombinant hArgRS mutants; mutagenesis; mRNA translation analysis; identification of upstream ORF effect on translation","journal":"Science China. Life sciences","confidence":"High","confidence_rationale":"Tier 1 / Strong — in vitro enzymatic reconstitution with mutagenesis plus mechanistic dissection of translation suppression via upstream ORF, multiple orthogonal methods in one study","pmids":["33515434"],"is_preprint":false},{"year":2019,"finding":"The HLD9-associated S456L missense mutation of RARS1 causes mislocalization of RARS1 protein as aggregates into lysosomes (rather than cytoplasmic distribution of wild-type), decreases lysosome-related S6 ribosomal protein phosphorylation (a signal required for myelin formation), and inhibits oligodendroglial morphological differentiation (failure to form myelin web-like structures) in FBD-102b oligodendroglial cells.","method":"Subcellular fractionation/localization imaging of wild-type vs. mutant RARS1 in cells; immunofluorescence; western blotting for S6 phosphorylation; oligodendroglial differentiation assay in FBD-102b cells","journal":"Biochemistry and biophysics reports","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — direct localization experiment tied to functional consequence (differentiation defect), multiple readouts, single lab","pmids":["31737794"],"is_preprint":false},{"year":2023,"finding":"Biallelic RARS1 mutations (c.1535G>A/p.Arg512Gln, c.1382G>A/p.Arg461His, and homozygous c.5A>T/p.Asp2Val) reduce ArgRS protein expression and stability in patient-derived cells, confirming pathogenicity; the c.5A>T variant affects expression similarly to c.5A>G.","method":"In vitro functional validation of RARS1 mutations; western blotting for ArgRS protein expression and stability in patient cells","journal":"Epilepsia open","confidence":"Medium","confidence_rationale":"Tier 2 / Weak — single lab, single method (western blot) for protein stability; supports prior mechanistic findings","pmids":["37186453"],"is_preprint":false},{"year":2007,"finding":"RARS1 (arginyl-tRNA synthetase) overexpression impairs secretion of AIMP1/EMAP II cytokine from HeLa and MCF7 cells, indicating that RARS1 binding to AIMP1 within the multisynthetase complex prevents AIMP1 secretion; proteasome inhibition impairs cleavage of AIMP1 to generate mature EMAP II.","method":"RARS1 overexpression in HeLa and MCF7 cells with measurement of AIMP1 secretion; proteasome inhibition assay","journal":"Journal of cellular physiology","confidence":"Medium","confidence_rationale":"Tier 3 / Moderate — functional overexpression assay with defined molecular readout (AIMP1 secretion), two cell lines, single lab","pmids":["17443684"],"is_preprint":false},{"year":2017,"finding":"The RARS1-MAD1L1 fusion protein (resulting from chromosomal translocation) interacts with AIMP2, activating the FUBP1/c-Myc pathway to promote cancer stem cell-like properties and therapeutic resistance in nasopharyngeal carcinoma; silencing FUBP1 or inhibiting c-Myc abrogates these CSC-like characteristics.","method":"Co-immunoprecipitation; chromatin immunoprecipitation; MTT/colony/sphere formation assays; in vivo chemoresistance assay; siRNA silencing","journal":"Clinical cancer research","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — reciprocal Co-IP plus ChIP plus functional rescue experiments, single lab; note this is a fusion protein not wild-type RARS1","pmids":["29133573"],"is_preprint":false},{"year":2025,"finding":"Exclusion of RARS1 from the multisynthetase complex in the mouse forebrain causes profound disruptions in neural development (drastically reduced forebrain size and behavioral deficits), dysregulation of neurodevelopmental and ribosomal genes, and perturbation of RARS1 subcellular localization and colocalization with translational machinery components, demonstrating that RARS1 integration into the multisynthetase complex is required for proper neurodevelopment.","method":"Conditional forebrain-specific mouse knockout model; behavioral testing; transcriptomics; subcellular localization/colocalization imaging","journal":"bioRxiv","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — clean conditional KO with defined cellular and behavioral phenotypes plus molecular characterization; preprint, not yet peer-reviewed","pmids":["bio_10.1101_2025.09.08.674979"],"is_preprint":true},{"year":2025,"finding":"RARS1 knockdown in hepatocellular carcinoma cells inhibits proliferation and migration, regulates the PI3K/AKT/GSK3β pathway, and suppresses ferroptosis via interaction with ENO1 (inhibiting ENO1 ubiquitination and degradation).","method":"RARS1 knockdown in LIHC cell lines; co-immunoprecipitation for RARS1-ENO1 interaction; ubiquitination assay; PI3K/AKT/GSK3β pathway analysis; ferroptosis assays","journal":"Frontiers in immunology","confidence":"Low","confidence_rationale":"Tier 3 / Weak — single lab, abstract-level description of mechanism without full methodological detail; novel non-canonical function claim requires independent replication","pmids":["41451236"],"is_preprint":false},{"year":2016,"finding":"Ischemic injury induces upregulation of Rars transcriptional activity and ArgRS protein overexpression in primary cultured neurons (peaking at 6 h post-reoxygenation); ischemic preconditioning inhibits this increase, suggesting a regulatory role for RARS1 expression levels in neuronal ischemic response.","method":"OGD-based ischemia model in primary neurons; measurement of Rars transcriptional activity and ArgRS protein expression at multiple time points post-reoxygenation","journal":"Journal of Huazhong University of Science and Technology. Medical sciences","confidence":"Low","confidence_rationale":"Tier 3 / Weak — single lab, single model system, primarily expression-level readout with limited mechanistic depth","pmids":["27465332"],"is_preprint":false}],"current_model":"RARS1 encodes the cytoplasmic arginyl-tRNA synthetase (hArgRS), an aminoacyl-tRNA synthetase that charges arginine onto its cognate tRNA for protein synthesis and is incorporated into the multisynthetase complex via its N-terminal extension; disease-causing mutations impair hArgRS catalytic activity, reduce protein stability/expression, or (for the c.5A>G variant) suppress mRNA translation via an upstream ORF, while integration of RARS1 into the multisynthetase complex is required for proper mammalian neurodevelopment, and within the complex RARS1 sequesters AIMP1 to prevent its secretion as an inflammatory cytokine."},"narrative":{"mechanistic_narrative":"RARS1 encodes the cytoplasmic arginyl-tRNA synthetase (hArgRS), an aminoacyl-tRNA synthetase that charges arginine onto its cognate tRNA and functions as a subunit of the multisynthetase complex, a role tied to myelination [PMID:24777941, PMID:28905880]. Biallelic RARS1 mutations cause hypomyelinating leukodystrophy through several distinct mechanisms: the R512Q substitution and a C-terminal frameshift disrupt enzyme structure and aminoacylation activity, whereas the most frequent c.5A>G (p.D2G) variant leaves catalysis intact but suppresses translation of hArgRS mRNA via an upstream open reading frame [PMID:33515434]; other pathogenic substitutions reduce ArgRS protein expression and stability in patient cells [PMID:28905880, PMID:37186453]. The HLD9-associated S456L mutation mislocalizes RARS1 into lysosomal aggregates, lowering lysosome-associated S6 ribosomal protein phosphorylation and blocking oligodendroglial differentiation [PMID:31737794]. Integration of RARS1 into the multisynthetase complex is required for proper forebrain neurodevelopment, as forebrain-specific exclusion disrupts neural growth, behavior, and ribosomal/neurodevelopmental gene expression [PMID:bio_10.1101_2025.09.08.674979]. Beyond translation, RARS1 sequesters AIMP1 within the complex to prevent its secretion as the inflammatory cytokine EMAP II [PMID:17443684]. Non-canonical and oncogenic roles have been described in cancer contexts, including a RARS1-MAD1L1 fusion that activates the FUBP1/c-Myc pathway in nasopharyngeal carcinoma [PMID:29133573].","teleology":[{"year":2007,"claim":"Established a non-translational moonlighting function for RARS1: by binding AIMP1 within the multisynthetase complex it acts as a sequestering factor preventing AIMP1 release as a secreted cytokine.","evidence":"RARS1 overexpression in HeLa and MCF7 cells with measurement of AIMP1 secretion plus proteasome inhibition assay","pmids":["17443684"],"confidence":"Medium","gaps":["Direct binding interface between RARS1 and AIMP1 not mapped","Physiological contexts where this sequestration is regulated not defined"]},{"year":2014,"claim":"Linked RARS1 to human disease for the first time, identifying it as a cause of hypomyelination and implicating the multisynthetase complex in myelination.","evidence":"Whole exome sequencing of hypomyelination patients with compound heterozygous mutations; clinical and MRI characterization","pmids":["24777941"],"confidence":"Medium","gaps":["Did not establish how aminoacylation loss leads specifically to a myelin phenotype","No biochemical demonstration of mutant enzyme dysfunction"]},{"year":2016,"claim":"Probed whether RARS1 expression is dynamically regulated under stress, showing its induction during neuronal ischemia.","evidence":"OGD ischemia model in primary neurons with time-course measurement of Rars transcription and ArgRS protein","pmids":["27465332"],"confidence":"Low","gaps":["Expression-level correlation only, no causal mechanism","Functional consequence of ArgRS upregulation in ischemia not tested"]},{"year":2017,"claim":"Provided the biochemical link between RARS1 mutations and disease by showing reduced ArgRS and multisynthetase complex levels and impaired arginine-dependent proliferation in patient cells.","evidence":"Western blot and Blue native-PAGE on patient fibroblasts plus proliferation assay under arginine limitation","pmids":["28905880"],"confidence":"Medium","gaps":["Did not resolve whether loss is from instability or reduced synthesis","Mechanism connecting reduced aminoacylation to oligodendrocyte pathology unaddressed"]},{"year":2019,"claim":"Defined a localization-based pathogenic mechanism, connecting the S456L mutant to lysosomal mislocalization, reduced S6 phosphorylation, and a block in oligodendroglial differentiation.","evidence":"Localization imaging, subcellular fractionation, S6 phosphorylation western blot, and differentiation assay in FBD-102b oligodendroglial cells","pmids":["31737794"],"confidence":"Medium","gaps":["Why mutant aggregates target lysosomes is unknown","Link between S6 phosphorylation and myelin formation correlative"]},{"year":2021,"claim":"Dissected genotype-specific pathogenic mechanisms, showing some mutations impair catalysis while the common c.5A>G variant instead suppresses translation through an upstream ORF.","evidence":"In vitro aminoacylation assays of recombinant hArgRS mutants, mutagenesis, and mRNA translation analysis","pmids":["33515434"],"confidence":"High","gaps":["In vivo validation of uORF-mediated suppression not performed","Tissue-specific sensitivity of oligodendrocytes not explained"]},{"year":2023,"claim":"Extended the mutational spectrum by confirming that additional biallelic variants, including c.5A>T, reduce ArgRS expression and stability.","evidence":"Western blot for ArgRS expression and stability in patient-derived cells","pmids":["37186453"],"confidence":"Medium","gaps":["Single-method protein readout","No catalytic activity assessment for these variants"]},{"year":2025,"claim":"Demonstrated that RARS1's incorporation into the multisynthetase complex, not merely its presence, is required for neurodevelopment, causally linking complex integration to forebrain growth and behavior.","evidence":"Conditional forebrain-specific mouse knockout with behavioral testing, transcriptomics, and colocalization imaging (preprint)","pmids":["bio_10.1101_2025.09.08.674979"],"confidence":"Medium","gaps":["Preprint, not yet peer-reviewed","Cell-type-specific contribution within forebrain not resolved"]},{"year":2025,"claim":"Reported a non-canonical oncogenic function in hepatocellular carcinoma, where RARS1 stabilizes ENO1 and modulates PI3K/AKT/GSK3β signaling and ferroptosis.","evidence":"RARS1 knockdown, Co-IP for RARS1-ENO1, ubiquitination assay, and ferroptosis assays in LIHC cell lines","pmids":["41451236"],"confidence":"Low","gaps":["Single lab, abstract-level mechanistic detail awaiting independent replication","Direct RARS1-ENO1 binding interface not characterized"]},{"year":null,"claim":"It remains unresolved why an essential housekeeping aminoacylation enzyme produces a predominantly oligodendrocyte/neurodevelopmental phenotype, and how its canonical, sequestration, and putative oncogenic roles are mechanistically partitioned across tissues.","evidence":"","pmids":[],"confidence":"Low","gaps":["No structural model linking specific mutations to tissue selectivity","Causal pathway from arginylation deficit to myelin loss undefined","Reconciliation of moonlighting AIMP1/ENO1 functions with core synthetase role missing"]}],"mechanism_profile":{"molecular_activity":[{"term_id":"GO:0140098","term_label":"catalytic activity, acting on RNA","supporting_discovery_ids":[2]},{"term_id":"GO:0016874","term_label":"ligase activity","supporting_discovery_ids":[0,2]},{"term_id":"GO:0003723","term_label":"RNA binding","supporting_discovery_ids":[2]},{"term_id":"GO:0140313","term_label":"molecular sequestering activity","supporting_discovery_ids":[5]}],"localization":[{"term_id":"GO:0005829","term_label":"cytosol","supporting_discovery_ids":[3]},{"term_id":"GO:0005764","term_label":"lysosome","supporting_discovery_ids":[3]}],"pathway":[{"term_id":"R-HSA-392499","term_label":"Metabolism of proteins","supporting_discovery_ids":[1,2]},{"term_id":"R-HSA-1266738","term_label":"Developmental Biology","supporting_discovery_ids":[0,7]}],"complexes":["multisynthetase complex"],"partners":["AIMP1","AIMP2","ENO1"],"other_free_text":[]}},"prefetch_data":{"uniprot":{"accession":"P54136","full_name":"Arginine--tRNA ligase, cytoplasmic","aliases":["Arginyl-tRNA synthetase","ArgRS"],"length_aa":660,"mass_kda":75.4,"function":"Forms part of a macromolecular complex that catalyzes the attachment of specific amino acids to cognate tRNAs during protein synthesis (PubMed:25288775). Modulates the secretion of AIMP1 and may be involved in generation of the inflammatory cytokine EMAP2 from AIMP1 (PubMed:17443684)","subcellular_location":"Cytoplasm; Cytoplasm, cytosol","url":"https://www.uniprot.org/uniprotkb/P54136/entry"},"depmap":{"release":"DepMap","has_data":true,"is_common_essential":true,"resolved_as":"","url":"https://depmap.org/portal/gene/RARS1","classification":"Common Essential","n_dependent_lines":970,"n_total_lines":1208,"dependency_fraction":0.8029801324503312},"opencell":{"profiled":false,"resolved_as":"","ensg_id":"","cell_line_id":"","localizations":[],"interactors":[{"gene":"ATG13","stoichiometry":0.2},{"gene":"CAPRIN1","stoichiometry":0.2},{"gene":"CAPZB","stoichiometry":0.2},{"gene":"EMC8","stoichiometry":0.2},{"gene":"EMC9","stoichiometry":0.2},{"gene":"G3BP2","stoichiometry":0.2},{"gene":"NCAPH","stoichiometry":0.2},{"gene":"PSPC1","stoichiometry":0.2},{"gene":"RPS16","stoichiometry":0.2}],"url":"https://opencell.sf.czbiohub.org/search/RARS1","total_profiled":1310},"omim":[{"mim_id":"618904","title":"DALR ANTICODON-BINDING DOMAIN-CONTAINING PROTEIN 3; DALRD3","url":"https://www.omim.org/entry/618904"},{"mim_id":"616140","title":"LEUKODYSTROPHY, HYPOMYELINATING, 9; HLD9","url":"https://www.omim.org/entry/616140"},{"mim_id":"107820","title":"ARGINYL-tRNA SYNTHETASE 1; RARS1","url":"https://www.omim.org/entry/107820"}],"hpa":{"profiled":true,"resolved_as":"","reliability":"Supported","locations":[{"location":"Cytosol","reliability":"Supported"},{"location":"Nucleoplasm","reliability":"Additional"},{"location":"Nucleoli","reliability":"Additional"}],"tissue_specificity":"Low tissue specificity","tissue_distribution":"Detected in all","driving_tissues":[],"url":"https://www.proteinatlas.org/search/RARS1"},"hgnc":{"alias_symbol":["DALRD1"],"prev_symbol":["RARS"]},"alphafold":{"accession":"P54136","domains":[{"cath_id":"3.30.1360.70","chopping":"77-167","consensus_level":"high","plddt":92.9158,"start":77,"end":167},{"cath_id":"-","chopping":"244-330","consensus_level":"medium","plddt":93.4651,"start":244,"end":330},{"cath_id":"1.10.730.10","chopping":"500-653","consensus_level":"high","plddt":95.7553,"start":500,"end":653}],"viewer_url":"https://alphafold.ebi.ac.uk/entry/P54136","model_url":"https://alphafold.ebi.ac.uk/files/AF-P54136-F1-model_v6.cif","pae_url":"https://alphafold.ebi.ac.uk/files/AF-P54136-F1-predicted_aligned_error_v6.png","plddt_mean":92.12},"mouse_models":{"mgi_url":"https://www.informatics.jax.org/marker/summary?nomen=RARS1","jax_strain_url":"https://www.jax.org/strain/search?query=RARS1"},"sequence":{"accession":"P54136","fasta_url":"https://rest.uniprot.org/uniprotkb/P54136.fasta","uniprot_url":"https://www.uniprot.org/uniprotkb/P54136/entry","alphafold_viewer_url":"https://alphafold.ebi.ac.uk/entry/P54136"}},"corpus_meta":[{"pmid":"7607068","id":"PMC_7607068","title":"Function of the retinoic acid receptors (RARs) during development (II). Multiple abnormalities at various stages of organogenesis in RAR double mutants.","date":"1994","source":"Development (Cambridge, England)","url":"https://pubmed.ncbi.nlm.nih.gov/7607068","citation_count":803,"is_preprint":false},{"pmid":"7607067","id":"PMC_7607067","title":"Function of the retinoic acid receptors (RARs) during development (I). Craniofacial and skeletal abnormalities in RAR double mutants.","date":"1994","source":"Development (Cambridge, England)","url":"https://pubmed.ncbi.nlm.nih.gov/7607067","citation_count":657,"is_preprint":false},{"pmid":"8389696","id":"PMC_8389696","title":"RARs and RXRs: evidence for two autonomous transactivation functions (AF-1 and AF-2) and heterodimerization in vivo.","date":"1993","source":"The EMBO journal","url":"https://pubmed.ncbi.nlm.nih.gov/8389696","citation_count":303,"is_preprint":false},{"pmid":"16741247","id":"PMC_16741247","title":"Refractory anemia with ringed sideroblasts associated with marked thrombocytosis (RARS-T), another myeloproliferative condition characterized by JAK2 V617F mutation.","date":"2006","source":"Blood","url":"https://pubmed.ncbi.nlm.nih.gov/16741247","citation_count":141,"is_preprint":false},{"pmid":"19471585","id":"PMC_19471585","title":"Developmental expression of retinoic acid receptors (RARs).","date":"2009","source":"Nuclear receptor signaling","url":"https://pubmed.ncbi.nlm.nih.gov/19471585","citation_count":109,"is_preprint":false},{"pmid":"2154975","id":"PMC_2154975","title":"Expression of retinoic acid receptor genes and the ligand-binding selectivity of retinoic acid receptors (RAR's).","date":"1990","source":"Biochemical and biophysical research communications","url":"https://pubmed.ncbi.nlm.nih.gov/2154975","citation_count":97,"is_preprint":false},{"pmid":"24777941","id":"PMC_24777941","title":"Mutations in RARS cause hypomyelination.","date":"2014","source":"Annals of neurology","url":"https://pubmed.ncbi.nlm.nih.gov/24777941","citation_count":94,"is_preprint":false},{"pmid":"23105114","id":"PMC_23105114","title":"Retinoic acid induces neurogenesis by activating both retinoic acid receptors (RARs) and peroxisome proliferator-activated receptor β/δ (PPARβ/δ).","date":"2012","source":"The Journal of biological chemistry","url":"https://pubmed.ncbi.nlm.nih.gov/23105114","citation_count":91,"is_preprint":false},{"pmid":"11510982","id":"PMC_11510982","title":"F9 embryocarcinoma cells: a cell autonomous model to study the functional selectivity of RARs and RXRs in retinoid signaling.","date":"2001","source":"Histology and histopathology","url":"https://pubmed.ncbi.nlm.nih.gov/11510982","citation_count":72,"is_preprint":false},{"pmid":"26874914","id":"PMC_26874914","title":"Predictors of survival in refractory anemia with ring sideroblasts and thrombocytosis (RARS-T) and the role of next-generation sequencing.","date":"2016","source":"American journal of hematology","url":"https://pubmed.ncbi.nlm.nih.gov/26874914","citation_count":62,"is_preprint":false},{"pmid":"9228081","id":"PMC_9228081","title":"Specific activation of retinoic acid receptors (RARs) and retinoid X receptors reveals a unique role for RARgamma in induction of differentiation and apoptosis of S91 melanoma cells.","date":"1997","source":"The Journal of biological chemistry","url":"https://pubmed.ncbi.nlm.nih.gov/9228081","citation_count":62,"is_preprint":false},{"pmid":"7906409","id":"PMC_7906409","title":"c-erbA alpha/T3R and RARs control commitment of hematopoietic self-renewing progenitor cells to apoptosis or differentiation and are antagonized by the v-erbA oncogene.","date":"1994","source":"Oncogene","url":"https://pubmed.ncbi.nlm.nih.gov/7906409","citation_count":61,"is_preprint":false},{"pmid":"29133573","id":"PMC_29133573","title":"The RARS-MAD1L1 Fusion Gene Induces Cancer Stem Cell-like Properties and Therapeutic Resistance in Nasopharyngeal Carcinoma.","date":"2017","source":"Clinical cancer research : an official journal of the American Association for Cancer Research","url":"https://pubmed.ncbi.nlm.nih.gov/29133573","citation_count":52,"is_preprint":false},{"pmid":"8908199","id":"PMC_8908199","title":"Inhibition of rabbit collagenase (matrix metalloproteinase-1; 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American Society of Hematology. 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Life sciences","url":"https://pubmed.ncbi.nlm.nih.gov/33515434","citation_count":9,"is_preprint":false},{"pmid":"36628612","id":"PMC_36628612","title":"Circular RNA, circular RARS, promotes aerobic glycolysis of non-small-cell lung cancer by binding with LDHA.","date":"2023","source":"Thoracic cancer","url":"https://pubmed.ncbi.nlm.nih.gov/36628612","citation_count":8,"is_preprint":false},{"pmid":"31737794","id":"PMC_31737794","title":"Hypomyelinating leukodystrophy-associated mutation of RARS leads it to the lysosome, inhibiting oligodendroglial morphological differentiation.","date":"2019","source":"Biochemistry and biophysics reports","url":"https://pubmed.ncbi.nlm.nih.gov/31737794","citation_count":8,"is_preprint":false},{"pmid":"23136256","id":"PMC_23136256","title":"The granulocyte-colony stimulating factor receptor (G-CSFR) interacts with retinoic acid receptors (RARs) in the regulation of myeloid differentiation.","date":"2012","source":"Journal of leukocyte biology","url":"https://pubmed.ncbi.nlm.nih.gov/23136256","citation_count":8,"is_preprint":false},{"pmid":"21250542","id":"PMC_21250542","title":"Chromosomes in a hybrid zone of Israeli mole rars (Spalax, Rodentia).","date":"2010","source":"Genetika","url":"https://pubmed.ncbi.nlm.nih.gov/21250542","citation_count":5,"is_preprint":false},{"pmid":"8645624","id":"PMC_8645624","title":"Dexamethasone decreases the expression of retinoic acid receptors (RARs) in rat liver.","date":"1996","source":"The Journal of steroid biochemistry and molecular biology","url":"https://pubmed.ncbi.nlm.nih.gov/8645624","citation_count":5,"is_preprint":false},{"pmid":"22760793","id":"PMC_22760793","title":"RARS with fibrosis and del(20q) transformed into ALL.","date":"2012","source":"Medical oncology (Northwood, London, England)","url":"https://pubmed.ncbi.nlm.nih.gov/22760793","citation_count":4,"is_preprint":false},{"pmid":"37186453","id":"PMC_37186453","title":"RARS1-related developmental and epileptic encephalopathy.","date":"2023","source":"Epilepsia open","url":"https://pubmed.ncbi.nlm.nih.gov/37186453","citation_count":3,"is_preprint":false},{"pmid":"14577129","id":"PMC_14577129","title":"Nucleolar abnormalities--a defect of the nucleolar preribosome assembly--in ringed sideroblasts in refractory anaemia with ringed sideroblasts (RARS) of myelodysplastic syndrome (MDS). An electron microscopic study.","date":"2003","source":"Sbornik lekarsky","url":"https://pubmed.ncbi.nlm.nih.gov/14577129","citation_count":3,"is_preprint":false},{"pmid":"27465332","id":"PMC_27465332","title":"Ischemic preconditioning inhibits over-expression of arginyl-tRNA synthetase gene Rars in ischemia-injured neurons.","date":"2016","source":"Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban","url":"https://pubmed.ncbi.nlm.nih.gov/27465332","citation_count":2,"is_preprint":false},{"pmid":"16120395","id":"PMC_16120395","title":"Accumulation of homoplasmic mtDNA point mutations in erythroblasts isolated from the bone marrow of patients with refractory anemia with ring sideroblasts (RARS).","date":"2004","source":"Mitochondrion","url":"https://pubmed.ncbi.nlm.nih.gov/16120395","citation_count":2,"is_preprint":false},{"pmid":"8157211","id":"PMC_8157211","title":"Progression of refractory anaemia with ringed sideroblasts (RARS) to B-acute lymphoblastic leukaemia.","date":"1993","source":"Haematologia","url":"https://pubmed.ncbi.nlm.nih.gov/8157211","citation_count":1,"is_preprint":false},{"pmid":"41451236","id":"PMC_41451236","title":"RARS1 inhibits ENO1 ubiquitination and degradation to protect against ferroptosis in hepatocellular carcinoma.","date":"2025","source":"Frontiers in immunology","url":"https://pubmed.ncbi.nlm.nih.gov/41451236","citation_count":0,"is_preprint":false},{"pmid":"8765051","id":"PMC_8765051","title":"Murine endodermal F9E cells, derived from the teratocarcinoma line F9, contain high basal levels of retinoic acid receptors (RARs and RXRs) but are not sensitive to the actions of retinoic acid.","date":"1996","source":"Differentiation; research in biological diversity","url":"https://pubmed.ncbi.nlm.nih.gov/8765051","citation_count":0,"is_preprint":false},{"pmid":null,"id":"bio_10.1101_2025.09.08.674979","title":"RARS1 integration into the multisynthetase complex is crucial for mammalian brain development","date":"2025-09-09","source":"bioRxiv","url":"https://doi.org/10.1101/2025.09.08.674979","citation_count":0,"is_preprint":true},{"pmid":null,"id":"bio_10.1101_2025.03.18.643890","title":"New structural insights into the control of the retinoic acid receptors RAR/RXR by DNA, ligands and transcriptional coregulators","date":"2025-03-18","source":"bioRxiv","url":"https://doi.org/10.1101/2025.03.18.643890","citation_count":0,"is_preprint":true},{"pmid":null,"id":"bio_10.1101_2025.03.09.642214","title":"The retinoic acid receptor regulates development of a key evolutionary novelty - the molluscan shell","date":"2025-03-10","source":"bioRxiv","url":"https://doi.org/10.1101/2025.03.09.642214","citation_count":0,"is_preprint":true},{"pmid":null,"id":"bio_10.1101_2024.09.09.24313145","title":"Rest-Activity Rhythm Phenotypes in Adults with Epilepsy and Intellectual Disability","date":"2024-09-10","source":"bioRxiv","url":"https://doi.org/10.1101/2024.09.09.24313145","citation_count":0,"is_preprint":true},{"pmid":null,"id":"bio_10.1101_2024.07.16.603771","title":"Blood-based detection of MMP11 as a marker of prostate cancer progression regulated by the ALDH1A1-TGF-β1 signaling mechanism","date":"2024-07-19","source":"bioRxiv","url":"https://doi.org/10.1101/2024.07.16.603771","citation_count":0,"is_preprint":true}],"cost":{"stage1":{"model":"claude-sonnet-4-6","input_tokens":25013,"output_tokens":2682,"usd":0.057634,"stage1_stop_reason":"end_turn"},"stage2":{"model":"claude-opus-4-8","input_tokens":9923,"output_tokens":3185,"usd":0.06462,"stage2_stop_reason":"end_turn"},"total_usd":0.122254,"stage1_batch_id":"msgbatch_01CNoDbkChHEkgrJnL7BwtGJ","stage2_batch_id":"msgbatch_016Y4x9E9Wg5VQDANj9quSQD","note":"batch pricing = 50% of standard"},"stage1_raw":"```json\n{\n  \"discoveries\": [\n    {\n      \"year\": 2014,\n      \"finding\": \"Mutations in RARS1 (encoding cytoplasmic arginyl-tRNA synthetase) cause hypomyelination; RARS1 protein is a subunit of the multisynthetase complex, which is implicated as a key player in myelination.\",\n      \"method\": \"Whole exome sequencing of patients with hypomyelination combined with identification of compound heterozygous mutations in RARS1; clinical and MRI characterization\",\n      \"journal\": \"Annals of neurology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genetic loss-of-function (patient mutations) with defined neurological phenotype; single study but multiple patients with convergent findings\",\n      \"pmids\": [\"24777941\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2017,\n      \"finding\": \"RARS1 protein levels and multisynthetase complex levels are significantly reduced (by 80% and 90% respectively) in patient fibroblasts carrying homozygous or compound heterozygous RARS1 mutations; patient fibroblasts show impaired proliferation under arginine-limited conditions, indicating inefficiency of protein synthesis (aminoacylation function).\",\n      \"method\": \"Western blotting and Blue native-PAGE on patient fibroblast extracts; fibroblast proliferation assay under arginine-limiting conditions\",\n      \"journal\": \"European journal of human genetics\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — two orthogonal biochemical methods (western blot, BN-PAGE) plus functional proliferation assay, single lab\",\n      \"pmids\": [\"28905880\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2021,\n      \"finding\": \"Disease-causing RARS1 mutations have distinct pathogenic mechanisms: the R512Q substitution and frameshift (ΔC/Y616Lfs*6) mutations impair the structure and aminoacylation activity of human cytoplasmic arginyl-tRNA synthetase (hArgRS), whereas the most frequent mutation c.5A>G (p.D2G) does not impair hArgRS aminoacylation activity but instead reduces translation of hArgRS mRNA, with an upstream open reading frame contributing to suppressed translation of the downstream main ORF.\",\n      \"method\": \"In vitro enzymatic activity assays of recombinant hArgRS mutants; mutagenesis; mRNA translation analysis; identification of upstream ORF effect on translation\",\n      \"journal\": \"Science China. Life sciences\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Strong — in vitro enzymatic reconstitution with mutagenesis plus mechanistic dissection of translation suppression via upstream ORF, multiple orthogonal methods in one study\",\n      \"pmids\": [\"33515434\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2019,\n      \"finding\": \"The HLD9-associated S456L missense mutation of RARS1 causes mislocalization of RARS1 protein as aggregates into lysosomes (rather than cytoplasmic distribution of wild-type), decreases lysosome-related S6 ribosomal protein phosphorylation (a signal required for myelin formation), and inhibits oligodendroglial morphological differentiation (failure to form myelin web-like structures) in FBD-102b oligodendroglial cells.\",\n      \"method\": \"Subcellular fractionation/localization imaging of wild-type vs. mutant RARS1 in cells; immunofluorescence; western blotting for S6 phosphorylation; oligodendroglial differentiation assay in FBD-102b cells\",\n      \"journal\": \"Biochemistry and biophysics reports\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — direct localization experiment tied to functional consequence (differentiation defect), multiple readouts, single lab\",\n      \"pmids\": [\"31737794\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"Biallelic RARS1 mutations (c.1535G>A/p.Arg512Gln, c.1382G>A/p.Arg461His, and homozygous c.5A>T/p.Asp2Val) reduce ArgRS protein expression and stability in patient-derived cells, confirming pathogenicity; the c.5A>T variant affects expression similarly to c.5A>G.\",\n      \"method\": \"In vitro functional validation of RARS1 mutations; western blotting for ArgRS protein expression and stability in patient cells\",\n      \"journal\": \"Epilepsia open\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Weak — single lab, single method (western blot) for protein stability; supports prior mechanistic findings\",\n      \"pmids\": [\"37186453\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2007,\n      \"finding\": \"RARS1 (arginyl-tRNA synthetase) overexpression impairs secretion of AIMP1/EMAP II cytokine from HeLa and MCF7 cells, indicating that RARS1 binding to AIMP1 within the multisynthetase complex prevents AIMP1 secretion; proteasome inhibition impairs cleavage of AIMP1 to generate mature EMAP II.\",\n      \"method\": \"RARS1 overexpression in HeLa and MCF7 cells with measurement of AIMP1 secretion; proteasome inhibition assay\",\n      \"journal\": \"Journal of cellular physiology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 3 / Moderate — functional overexpression assay with defined molecular readout (AIMP1 secretion), two cell lines, single lab\",\n      \"pmids\": [\"17443684\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2017,\n      \"finding\": \"The RARS1-MAD1L1 fusion protein (resulting from chromosomal translocation) interacts with AIMP2, activating the FUBP1/c-Myc pathway to promote cancer stem cell-like properties and therapeutic resistance in nasopharyngeal carcinoma; silencing FUBP1 or inhibiting c-Myc abrogates these CSC-like characteristics.\",\n      \"method\": \"Co-immunoprecipitation; chromatin immunoprecipitation; MTT/colony/sphere formation assays; in vivo chemoresistance assay; siRNA silencing\",\n      \"journal\": \"Clinical cancer research\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — reciprocal Co-IP plus ChIP plus functional rescue experiments, single lab; note this is a fusion protein not wild-type RARS1\",\n      \"pmids\": [\"29133573\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"Exclusion of RARS1 from the multisynthetase complex in the mouse forebrain causes profound disruptions in neural development (drastically reduced forebrain size and behavioral deficits), dysregulation of neurodevelopmental and ribosomal genes, and perturbation of RARS1 subcellular localization and colocalization with translational machinery components, demonstrating that RARS1 integration into the multisynthetase complex is required for proper neurodevelopment.\",\n      \"method\": \"Conditional forebrain-specific mouse knockout model; behavioral testing; transcriptomics; subcellular localization/colocalization imaging\",\n      \"journal\": \"bioRxiv\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — clean conditional KO with defined cellular and behavioral phenotypes plus molecular characterization; preprint, not yet peer-reviewed\",\n      \"pmids\": [\"bio_10.1101_2025.09.08.674979\"],\n      \"is_preprint\": true\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"RARS1 knockdown in hepatocellular carcinoma cells inhibits proliferation and migration, regulates the PI3K/AKT/GSK3β pathway, and suppresses ferroptosis via interaction with ENO1 (inhibiting ENO1 ubiquitination and degradation).\",\n      \"method\": \"RARS1 knockdown in LIHC cell lines; co-immunoprecipitation for RARS1-ENO1 interaction; ubiquitination assay; PI3K/AKT/GSK3β pathway analysis; ferroptosis assays\",\n      \"journal\": \"Frontiers in immunology\",\n      \"confidence\": \"Low\",\n      \"confidence_rationale\": \"Tier 3 / Weak — single lab, abstract-level description of mechanism without full methodological detail; novel non-canonical function claim requires independent replication\",\n      \"pmids\": [\"41451236\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"Ischemic injury induces upregulation of Rars transcriptional activity and ArgRS protein overexpression in primary cultured neurons (peaking at 6 h post-reoxygenation); ischemic preconditioning inhibits this increase, suggesting a regulatory role for RARS1 expression levels in neuronal ischemic response.\",\n      \"method\": \"OGD-based ischemia model in primary neurons; measurement of Rars transcriptional activity and ArgRS protein expression at multiple time points post-reoxygenation\",\n      \"journal\": \"Journal of Huazhong University of Science and Technology. Medical sciences\",\n      \"confidence\": \"Low\",\n      \"confidence_rationale\": \"Tier 3 / Weak — single lab, single model system, primarily expression-level readout with limited mechanistic depth\",\n      \"pmids\": [\"27465332\"],\n      \"is_preprint\": false\n    }\n  ],\n  \"current_model\": \"RARS1 encodes the cytoplasmic arginyl-tRNA synthetase (hArgRS), an aminoacyl-tRNA synthetase that charges arginine onto its cognate tRNA for protein synthesis and is incorporated into the multisynthetase complex via its N-terminal extension; disease-causing mutations impair hArgRS catalytic activity, reduce protein stability/expression, or (for the c.5A>G variant) suppress mRNA translation via an upstream ORF, while integration of RARS1 into the multisynthetase complex is required for proper mammalian neurodevelopment, and within the complex RARS1 sequesters AIMP1 to prevent its secretion as an inflammatory cytokine.\"\n}\n```","stage2_raw":"{\n  \"mechanistic_narrative\": \"RARS1 encodes the cytoplasmic arginyl-tRNA synthetase (hArgRS), an aminoacyl-tRNA synthetase that charges arginine onto its cognate tRNA and functions as a subunit of the multisynthetase complex, a role tied to myelination [#0, #1]. Biallelic RARS1 mutations cause hypomyelinating leukodystrophy through several distinct mechanisms: the R512Q substitution and a C-terminal frameshift disrupt enzyme structure and aminoacylation activity, whereas the most frequent c.5A>G (p.D2G) variant leaves catalysis intact but suppresses translation of hArgRS mRNA via an upstream open reading frame [#2]; other pathogenic substitutions reduce ArgRS protein expression and stability in patient cells [#1, #4]. The HLD9-associated S456L mutation mislocalizes RARS1 into lysosomal aggregates, lowering lysosome-associated S6 ribosomal protein phosphorylation and blocking oligodendroglial differentiation [#3]. Integration of RARS1 into the multisynthetase complex is required for proper forebrain neurodevelopment, as forebrain-specific exclusion disrupts neural growth, behavior, and ribosomal/neurodevelopmental gene expression [#7]. Beyond translation, RARS1 sequesters AIMP1 within the complex to prevent its secretion as the inflammatory cytokine EMAP II [#5]. Non-canonical and oncogenic roles have been described in cancer contexts, including a RARS1-MAD1L1 fusion that activates the FUBP1/c-Myc pathway in nasopharyngeal carcinoma [#6].\",\n  \"teleology\": [\n    {\n      \"year\": 2007,\n      \"claim\": \"Established a non-translational moonlighting function for RARS1: by binding AIMP1 within the multisynthetase complex it acts as a sequestering factor preventing AIMP1 release as a secreted cytokine.\",\n      \"evidence\": \"RARS1 overexpression in HeLa and MCF7 cells with measurement of AIMP1 secretion plus proteasome inhibition assay\",\n      \"pmids\": [\"17443684\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Direct binding interface between RARS1 and AIMP1 not mapped\", \"Physiological contexts where this sequestration is regulated not defined\"]\n    },\n    {\n      \"year\": 2014,\n      \"claim\": \"Linked RARS1 to human disease for the first time, identifying it as a cause of hypomyelination and implicating the multisynthetase complex in myelination.\",\n      \"evidence\": \"Whole exome sequencing of hypomyelination patients with compound heterozygous mutations; clinical and MRI characterization\",\n      \"pmids\": [\"24777941\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Did not establish how aminoacylation loss leads specifically to a myelin phenotype\", \"No biochemical demonstration of mutant enzyme dysfunction\"]\n    },\n    {\n      \"year\": 2016,\n      \"claim\": \"Probed whether RARS1 expression is dynamically regulated under stress, showing its induction during neuronal ischemia.\",\n      \"evidence\": \"OGD ischemia model in primary neurons with time-course measurement of Rars transcription and ArgRS protein\",\n      \"pmids\": [\"27465332\"],\n      \"confidence\": \"Low\",\n      \"gaps\": [\"Expression-level correlation only, no causal mechanism\", \"Functional consequence of ArgRS upregulation in ischemia not tested\"]\n    },\n    {\n      \"year\": 2017,\n      \"claim\": \"Provided the biochemical link between RARS1 mutations and disease by showing reduced ArgRS and multisynthetase complex levels and impaired arginine-dependent proliferation in patient cells.\",\n      \"evidence\": \"Western blot and Blue native-PAGE on patient fibroblasts plus proliferation assay under arginine limitation\",\n      \"pmids\": [\"28905880\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Did not resolve whether loss is from instability or reduced synthesis\", \"Mechanism connecting reduced aminoacylation to oligodendrocyte pathology unaddressed\"]\n    },\n    {\n      \"year\": 2019,\n      \"claim\": \"Defined a localization-based pathogenic mechanism, connecting the S456L mutant to lysosomal mislocalization, reduced S6 phosphorylation, and a block in oligodendroglial differentiation.\",\n      \"evidence\": \"Localization imaging, subcellular fractionation, S6 phosphorylation western blot, and differentiation assay in FBD-102b oligodendroglial cells\",\n      \"pmids\": [\"31737794\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Why mutant aggregates target lysosomes is unknown\", \"Link between S6 phosphorylation and myelin formation correlative\"]\n    },\n    {\n      \"year\": 2021,\n      \"claim\": \"Dissected genotype-specific pathogenic mechanisms, showing some mutations impair catalysis while the common c.5A>G variant instead suppresses translation through an upstream ORF.\",\n      \"evidence\": \"In vitro aminoacylation assays of recombinant hArgRS mutants, mutagenesis, and mRNA translation analysis\",\n      \"pmids\": [\"33515434\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"In vivo validation of uORF-mediated suppression not performed\", \"Tissue-specific sensitivity of oligodendrocytes not explained\"]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Extended the mutational spectrum by confirming that additional biallelic variants, including c.5A>T, reduce ArgRS expression and stability.\",\n      \"evidence\": \"Western blot for ArgRS expression and stability in patient-derived cells\",\n      \"pmids\": [\"37186453\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Single-method protein readout\", \"No catalytic activity assessment for these variants\"]\n    },\n    {\n      \"year\": 2025,\n      \"claim\": \"Demonstrated that RARS1's incorporation into the multisynthetase complex, not merely its presence, is required for neurodevelopment, causally linking complex integration to forebrain growth and behavior.\",\n      \"evidence\": \"Conditional forebrain-specific mouse knockout with behavioral testing, transcriptomics, and colocalization imaging (preprint)\",\n      \"pmids\": [\"bio_10.1101_2025.09.08.674979\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Preprint, not yet peer-reviewed\", \"Cell-type-specific contribution within forebrain not resolved\"]\n    },\n    {\n      \"year\": 2025,\n      \"claim\": \"Reported a non-canonical oncogenic function in hepatocellular carcinoma, where RARS1 stabilizes ENO1 and modulates PI3K/AKT/GSK3β signaling and ferroptosis.\",\n      \"evidence\": \"RARS1 knockdown, Co-IP for RARS1-ENO1, ubiquitination assay, and ferroptosis assays in LIHC cell lines\",\n      \"pmids\": [\"41451236\"],\n      \"confidence\": \"Low\",\n      \"gaps\": [\"Single lab, abstract-level mechanistic detail awaiting independent replication\", \"Direct RARS1-ENO1 binding interface not characterized\"]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"It remains unresolved why an essential housekeeping aminoacylation enzyme produces a predominantly oligodendrocyte/neurodevelopmental phenotype, and how its canonical, sequestration, and putative oncogenic roles are mechanistically partitioned across tissues.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"Low\",\n      \"gaps\": [\"No structural model linking specific mutations to tissue selectivity\", \"Causal pathway from arginylation deficit to myelin loss undefined\", \"Reconciliation of moonlighting AIMP1/ENO1 functions with core synthetase role missing\"]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [\n      {\"term_id\": \"GO:0140098\", \"supporting_discovery_ids\": [2]},\n      {\"term_id\": \"GO:0016874\", \"supporting_discovery_ids\": [0, 2]},\n      {\"term_id\": \"GO:0003723\", \"supporting_discovery_ids\": [2]},\n      {\"term_id\": \"GO:0140313\", \"supporting_discovery_ids\": [5]}\n    ],\n    \"localization\": [\n      {\"term_id\": \"GO:0005829\", \"supporting_discovery_ids\": [3]},\n      {\"term_id\": \"GO:0005764\", \"supporting_discovery_ids\": [3]}\n    ],\n    \"pathway\": [\n      {\"term_id\": \"R-HSA-392499\", \"supporting_discovery_ids\": [1, 2]},\n      {\"term_id\": \"R-HSA-1266738\", \"supporting_discovery_ids\": [0, 7]}\n    ],\n    \"complexes\": [\n      \"multisynthetase complex\"\n    ],\n    \"partners\": [\n      \"AIMP1\",\n      \"AIMP2\",\n      \"ENO1\"\n    ],\n    \"other_free_text\": []\n  }\n}","audit_flag":null,"evaluation":{"pairwise":"win","faith_supported":5,"faith_total":5,"faith_pct":100.0}}