{"gene":"ZNF169","run_date":"2026-04-28T23:00:24","timeline":{"discoveries":[{"year":1997,"finding":"ZNF169 was identified as a novel Krüppel-type (C2H2) zinc finger gene and mapped to chromosome 9q22, adjacent to marker D9S196, within a gene-rich region to which several human disease loci have been mapped.","method":"Pulsed-field gel electrophoresis (PFGE) and FISH mapping","journal":"Cytogenetics and cell genetics","confidence":"Medium","confidence_rationale":"Tier 2 — direct physical mapping with two orthogonal methods (PFGE + FISH), but no functional assay","pmids":["9186526"],"is_preprint":false},{"year":2024,"finding":"ZNF169 acts as a transcription factor that directly binds the promoter of ANKZF1 (ZNF744) and upregulates its transcriptional activity, thereby promoting colorectal cancer cell growth and proliferation; knockdown of ANKZF1 rescued the pro-proliferative effect of ZNF169 overexpression.","method":"Dual luciferase reporter assay, ChIP-qPCR, gain- and loss-of-function experiments (lentiviral overexpression and siRNA knockdown), rescue experiments, CCK-8/colony formation/EdU assays","journal":"Oncology reports","confidence":"Medium","confidence_rationale":"Tier 2 — multiple orthogonal methods (ChIP, luciferase, rescue) in a single lab","pmids":["38666541"],"is_preprint":false},{"year":2025,"finding":"ZNF169 acts as a transcription factor that directly binds the promoter of FBXW10 and enhances its transcription and expression, thereby promoting thyroid carcinoma cell proliferation, migration, and tumor growth; FBXW10 knockdown reversed these effects both in vitro and in vivo.","method":"Luciferase assay, ChIP-PCR, siRNA knockdown, overexpression, CCK-8/colony formation/Transwell/flow cytometry assays, in vivo rescue experiments","journal":"Cell division","confidence":"Medium","confidence_rationale":"Tier 2 — multiple orthogonal methods (ChIP, luciferase, in vivo rescue) in a single lab","pmids":["39875985"],"is_preprint":false},{"year":2025,"finding":"ZNF169 acts as a transcription factor that interacts with the promoter of CDK19 and upregulates its expression, thereby promoting hepatocellular carcinoma cell proliferation, migration, and cell cycle progression; CDK19 overexpression rescued the suppressive effects of ZNF169 knockdown on HCC cells.","method":"Luciferase assay, Pearson correlation analysis (TCGA), siRNA knockdown, lentiviral overexpression, rescue experiments, in vivo tumor growth assays","journal":"IUBMB life","confidence":"Medium","confidence_rationale":"Tier 2 — luciferase assay plus rescue experiments confirming pathway placement, single lab","pmids":["39868893"],"is_preprint":false}],"current_model":"ZNF169 is a Krüppel-type (C2H2) zinc finger transcription factor that directly binds target gene promoters (ANKZF1, FBXW10, CDK19) to upregulate their transcription, thereby promoting cancer cell proliferation, migration, and tumor growth in colorectal, thyroid, and hepatocellular carcinoma contexts."},"narrative":{"teleology":[{"year":1997,"claim":"Identification of ZNF169 as a novel Krüppel-type zinc finger gene and its chromosomal localization to 9q22 established the gene's existence and structural classification but left its function entirely unknown.","evidence":"PFGE and FISH mapping of a new C2H2 zinc finger gene in human genomic DNA","pmids":["9186526"],"confidence":"Medium","gaps":["No functional or transcriptional data were generated","No target genes or DNA-binding specificity identified","Expression pattern across tissues not characterized"]},{"year":2024,"claim":"Demonstration that ZNF169 directly binds the ANKZF1 promoter and transcriptionally activates it established ZNF169 as a bona fide transcriptional activator and linked it to colorectal cancer cell proliferation through a specific downstream effector.","evidence":"ChIP-qPCR, dual luciferase reporter assay, siRNA knockdown, overexpression, and rescue experiments in colorectal cancer cell lines","pmids":["38666541"],"confidence":"Medium","gaps":["DNA-binding motif or consensus sequence for ZNF169 not defined","Findings from a single laboratory; independent replication lacking","Physiological (non-cancer) role of ZNF169 not addressed"]},{"year":2025,"claim":"Extension to thyroid carcinoma and hepatocellular carcinoma with two additional direct targets (FBXW10 and CDK19) reinforced the model of ZNF169 as a general transcriptional activator promoting tumor cell proliferation and migration across cancer types.","evidence":"ChIP-PCR, luciferase assays, knockdown/overexpression rescue experiments in vitro and in vivo (xenograft) in thyroid and liver cancer models","pmids":["39875985","39868893"],"confidence":"Medium","gaps":["All three target studies originate from overlapping research groups; independent validation is needed","Genome-wide binding profile (e.g., ChIP-seq) has not been reported","Mechanism of transcriptional activation (cofactor recruitment, activation domain) is unknown"]},{"year":null,"claim":"The DNA-binding specificity, cofactor requirements, post-translational regulation, and normal physiological function of ZNF169 outside cancer contexts remain uncharacterized.","evidence":"","pmids":[],"confidence":"Low","gaps":["No consensus binding motif determined","No interacting coactivators or chromatin-remodeling partners identified","No loss-of-function studies in normal tissues or model organisms"]}],"mechanism_profile":{"molecular_activity":[{"term_id":"GO:0140110","term_label":"transcription regulator activity","supporting_discovery_ids":[1,2,3]},{"term_id":"GO:0003677","term_label":"DNA binding","supporting_discovery_ids":[1,2,3]}],"localization":[{"term_id":"GO:0005634","term_label":"nucleus","supporting_discovery_ids":[1,2,3]}],"pathway":[{"term_id":"R-HSA-74160","term_label":"Gene expression (Transcription)","supporting_discovery_ids":[1,2,3]}],"complexes":[],"partners":["ANKZF1","FBXW10","CDK19"],"other_free_text":[]},"mechanistic_narrative":"ZNF169 is a Krüppel-type (C2H2) zinc finger transcription factor, originally mapped to chromosome 9q22 [PMID:9186526], that directly binds target gene promoters to upregulate their transcription. ChIP and luciferase reporter assays demonstrate that ZNF169 activates the promoters of ANKZF1, FBXW10, and CDK19, and rescue experiments confirm that these targets mediate ZNF169-driven cancer cell proliferation, migration, and tumor growth in colorectal, thyroid, and hepatocellular carcinoma models [PMID:38666541, PMID:39875985, PMID:39868893]."},"prefetch_data":{"uniprot":{"accession":"Q14929","full_name":"Zinc finger protein 169","aliases":[],"length_aa":603,"mass_kda":68.5,"function":"May be involved in transcriptional regulation","subcellular_location":"Nucleus","url":"https://www.uniprot.org/uniprotkb/Q14929/entry"},"depmap":{"release":"DepMap","has_data":true,"is_common_essential":false,"resolved_as":"","url":"https://depmap.org/portal/gene/ZNF169","classification":"Not Classified","n_dependent_lines":36,"n_total_lines":1208,"dependency_fraction":0.029801324503311258},"opencell":{"profiled":false,"resolved_as":"","ensg_id":"","cell_line_id":"","localizations":[],"interactors":[],"url":"https://opencell.sf.czbiohub.org/search/ZNF169","total_profiled":1310},"omim":[{"mim_id":"603404","title":"ZINC FINGER PROTEIN 169; ZNF169","url":"https://www.omim.org/entry/603404"},{"mim_id":"132800","title":"MULTIPLE SELF-HEALING SQUAMOUS EPITHELIOMA, SUSCEPTIBILITY TO; MSSE","url":"https://www.omim.org/entry/132800"}],"hpa":{"profiled":true,"resolved_as":"","reliability":"Approved","locations":[{"location":"Nuclear speckles","reliability":"Approved"},{"location":"Cytosol","reliability":"Additional"}],"tissue_specificity":"Low tissue specificity","tissue_distribution":"Detected in all","driving_tissues":[],"url":"https://www.proteinatlas.org/search/ZNF169"},"hgnc":{"alias_symbol":["MGC51961"],"prev_symbol":[]},"alphafold":{"accession":"Q14929","domains":[{"cath_id":"3.30.160.60","chopping":"467-593","consensus_level":"medium","plddt":86.4736,"start":467,"end":593},{"cath_id":"1.20.50","chopping":"17-69","consensus_level":"high","plddt":83.2185,"start":17,"end":69}],"viewer_url":"https://alphafold.ebi.ac.uk/entry/Q14929","model_url":"https://alphafold.ebi.ac.uk/files/AF-Q14929-F1-model_v6.cif","pae_url":"https://alphafold.ebi.ac.uk/files/AF-Q14929-F1-predicted_aligned_error_v6.png","plddt_mean":71.44},"mouse_models":{"mgi_url":"https://www.informatics.jax.org/marker/summary?nomen=ZNF169","jax_strain_url":"https://www.jax.org/strain/search?query=ZNF169"},"sequence":{"accession":"Q14929","fasta_url":"https://rest.uniprot.org/uniprotkb/Q14929.fasta","uniprot_url":"https://www.uniprot.org/uniprotkb/Q14929/entry","alphafold_viewer_url":"https://alphafold.ebi.ac.uk/entry/Q14929"}},"corpus_meta":[{"pmid":"29273807","id":"PMC_29273807","title":"Protein-altering variants associated with body mass index implicate pathways that control energy intake and expenditure in obesity.","date":"2017","source":"Nature genetics","url":"https://pubmed.ncbi.nlm.nih.gov/29273807","citation_count":316,"is_preprint":false},{"pmid":"16170343","id":"PMC_16170343","title":"The elusive multiple self-healing squamous epithelioma (MSSE) gene: further mapping, analysis of candidates, and loss of heterozygosity.","date":"2006","source":"Oncogene","url":"https://pubmed.ncbi.nlm.nih.gov/16170343","citation_count":16,"is_preprint":false},{"pmid":"9186526","id":"PMC_9186526","title":"Pulsed-field gel electrophoresis and FISH mapping of chromosome 9q22: placement of a novel zinc finger gene within the NBCCS and ESS1 region.","date":"1997","source":"Cytogenetics and cell genetics","url":"https://pubmed.ncbi.nlm.nih.gov/9186526","citation_count":8,"is_preprint":false},{"pmid":"38666541","id":"PMC_38666541","title":"Overexpression of ZNF169 promotes the growth and proliferation of colorectal cancer cells via the upregulation of ANKZF1.","date":"2024","source":"Oncology reports","url":"https://pubmed.ncbi.nlm.nih.gov/38666541","citation_count":5,"is_preprint":false},{"pmid":"38314503","id":"PMC_38314503","title":"piRNAs in the human retina and retinal pigment epithelium reveal a potential role in intracellular trafficking and oxidative stress.","date":"2024","source":"Molecular omics","url":"https://pubmed.ncbi.nlm.nih.gov/38314503","citation_count":4,"is_preprint":false},{"pmid":"39875985","id":"PMC_39875985","title":"ZNF169 promotes thyroid cancer progression via upregulating FBXW10.","date":"2025","source":"Cell division","url":"https://pubmed.ncbi.nlm.nih.gov/39875985","citation_count":1,"is_preprint":false},{"pmid":"39868893","id":"PMC_39868893","title":"Zinc finger protein 169 promotes tumor progress of hepatocellular cancer via up-regulating cyclin-dependent kinase 19.","date":"2025","source":"IUBMB life","url":"https://pubmed.ncbi.nlm.nih.gov/39868893","citation_count":0,"is_preprint":false}],"cost":{"stage1":{"model":"claude-sonnet-4-6","input_tokens":5297,"output_tokens":981,"usd":0.015303},"stage2":{"model":"claude-opus-4-6","input_tokens":4184,"output_tokens":1146,"usd":0.074355},"total_usd":0.089658,"stage1_batch_id":"msgbatch_01BparvgRZ9S2LMidvaoo86K","stage2_batch_id":"msgbatch_01NkBfv9SVZWthhS7j6mU6G3","note":"batch pricing = 50% of standard"},"stage1_raw":"```json\n{\n  \"discoveries\": [\n    {\n      \"year\": 1997,\n      \"finding\": \"ZNF169 was identified as a novel Krüppel-type (C2H2) zinc finger gene and mapped to chromosome 9q22, adjacent to marker D9S196, within a gene-rich region to which several human disease loci have been mapped.\",\n      \"method\": \"Pulsed-field gel electrophoresis (PFGE) and FISH mapping\",\n      \"journal\": \"Cytogenetics and cell genetics\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — direct physical mapping with two orthogonal methods (PFGE + FISH), but no functional assay\",\n      \"pmids\": [\"9186526\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2024,\n      \"finding\": \"ZNF169 acts as a transcription factor that directly binds the promoter of ANKZF1 (ZNF744) and upregulates its transcriptional activity, thereby promoting colorectal cancer cell growth and proliferation; knockdown of ANKZF1 rescued the pro-proliferative effect of ZNF169 overexpression.\",\n      \"method\": \"Dual luciferase reporter assay, ChIP-qPCR, gain- and loss-of-function experiments (lentiviral overexpression and siRNA knockdown), rescue experiments, CCK-8/colony formation/EdU assays\",\n      \"journal\": \"Oncology reports\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — multiple orthogonal methods (ChIP, luciferase, rescue) in a single lab\",\n      \"pmids\": [\"38666541\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"ZNF169 acts as a transcription factor that directly binds the promoter of FBXW10 and enhances its transcription and expression, thereby promoting thyroid carcinoma cell proliferation, migration, and tumor growth; FBXW10 knockdown reversed these effects both in vitro and in vivo.\",\n      \"method\": \"Luciferase assay, ChIP-PCR, siRNA knockdown, overexpression, CCK-8/colony formation/Transwell/flow cytometry assays, in vivo rescue experiments\",\n      \"journal\": \"Cell division\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — multiple orthogonal methods (ChIP, luciferase, in vivo rescue) in a single lab\",\n      \"pmids\": [\"39875985\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2025,\n      \"finding\": \"ZNF169 acts as a transcription factor that interacts with the promoter of CDK19 and upregulates its expression, thereby promoting hepatocellular carcinoma cell proliferation, migration, and cell cycle progression; CDK19 overexpression rescued the suppressive effects of ZNF169 knockdown on HCC cells.\",\n      \"method\": \"Luciferase assay, Pearson correlation analysis (TCGA), siRNA knockdown, lentiviral overexpression, rescue experiments, in vivo tumor growth assays\",\n      \"journal\": \"IUBMB life\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — luciferase assay plus rescue experiments confirming pathway placement, single lab\",\n      \"pmids\": [\"39868893\"],\n      \"is_preprint\": false\n    }\n  ],\n  \"current_model\": \"ZNF169 is a Krüppel-type (C2H2) zinc finger transcription factor that directly binds target gene promoters (ANKZF1, FBXW10, CDK19) to upregulate their transcription, thereby promoting cancer cell proliferation, migration, and tumor growth in colorectal, thyroid, and hepatocellular carcinoma contexts.\"\n}\n```","stage2_raw":"```json\n{\n  \"mechanistic_narrative\": \"ZNF169 is a Krüppel-type (C2H2) zinc finger transcription factor, originally mapped to chromosome 9q22 [PMID:9186526], that directly binds target gene promoters to upregulate their transcription. ChIP and luciferase reporter assays demonstrate that ZNF169 activates the promoters of ANKZF1, FBXW10, and CDK19, and rescue experiments confirm that these targets mediate ZNF169-driven cancer cell proliferation, migration, and tumor growth in colorectal, thyroid, and hepatocellular carcinoma models [PMID:38666541, PMID:39875985, PMID:39868893].\",\n  \"teleology\": [\n    {\n      \"year\": 1997,\n      \"claim\": \"Identification of ZNF169 as a novel Krüppel-type zinc finger gene and its chromosomal localization to 9q22 established the gene's existence and structural classification but left its function entirely unknown.\",\n      \"evidence\": \"PFGE and FISH mapping of a new C2H2 zinc finger gene in human genomic DNA\",\n      \"pmids\": [\"9186526\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"No functional or transcriptional data were generated\",\n        \"No target genes or DNA-binding specificity identified\",\n        \"Expression pattern across tissues not characterized\"\n      ]\n    },\n    {\n      \"year\": 2024,\n      \"claim\": \"Demonstration that ZNF169 directly binds the ANKZF1 promoter and transcriptionally activates it established ZNF169 as a bona fide transcriptional activator and linked it to colorectal cancer cell proliferation through a specific downstream effector.\",\n      \"evidence\": \"ChIP-qPCR, dual luciferase reporter assay, siRNA knockdown, overexpression, and rescue experiments in colorectal cancer cell lines\",\n      \"pmids\": [\"38666541\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"DNA-binding motif or consensus sequence for ZNF169 not defined\",\n        \"Findings from a single laboratory; independent replication lacking\",\n        \"Physiological (non-cancer) role of ZNF169 not addressed\"\n      ]\n    },\n    {\n      \"year\": 2025,\n      \"claim\": \"Extension to thyroid carcinoma and hepatocellular carcinoma with two additional direct targets (FBXW10 and CDK19) reinforced the model of ZNF169 as a general transcriptional activator promoting tumor cell proliferation and migration across cancer types.\",\n      \"evidence\": \"ChIP-PCR, luciferase assays, knockdown/overexpression rescue experiments in vitro and in vivo (xenograft) in thyroid and liver cancer models\",\n      \"pmids\": [\"39875985\", \"39868893\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"All three target studies originate from overlapping research groups; independent validation is needed\",\n        \"Genome-wide binding profile (e.g., ChIP-seq) has not been reported\",\n        \"Mechanism of transcriptional activation (cofactor recruitment, activation domain) is unknown\"\n      ]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"The DNA-binding specificity, cofactor requirements, post-translational regulation, and normal physiological function of ZNF169 outside cancer contexts remain uncharacterized.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"Low\",\n      \"gaps\": [\n        \"No consensus binding motif determined\",\n        \"No interacting coactivators or chromatin-remodeling partners identified\",\n        \"No loss-of-function studies in normal tissues or model organisms\"\n      ]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [\n      {\"term_id\": \"GO:0140110\", \"supporting_discovery_ids\": [1, 2, 3]},\n      {\"term_id\": \"GO:0003677\", \"supporting_discovery_ids\": [1, 2, 3]}\n    ],\n    \"localization\": [\n      {\"term_id\": \"GO:0005634\", \"supporting_discovery_ids\": [1, 2, 3]}\n    ],\n    \"pathway\": [\n      {\"term_id\": \"R-HSA-74160\", \"supporting_discovery_ids\": [1, 2, 3]}\n    ],\n    \"complexes\": [],\n    \"partners\": [\n      \"ANKZF1\",\n      \"FBXW10\",\n      \"CDK19\"\n    ],\n    \"other_free_text\": []\n  }\n}\n```"}