Aging-based molecular classification and score system in ccRCC uncovers distinct prognosis, tumor immunogenicity, and treatment sensitivity.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:36032073", "kind": "science-record", "revision": 4, "content_hash": "sha256:fc4115a1b832d3a06182f12c90ff67d302704db9d22f2810728a0ee2f2da68f3", "created_at": "2026-11-01T18:15:11Z", "updated_at": "2026-11-01T22:07:22Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Aging-based molecular classification and score system in ccRCC uncovers distinct prognosis, tumor immunogenicity, and treatment sensitivity.", "doi": "10.3389/fimmu.2022.877076", "pmid": "36032073", "authors": ["Maoshu Zhu", "Chaoqun Huang", "Xinhong Wu", "Ying Gu", "Xiaoxu Hu", "Dongna Ma", "Weimin Zhong"], "journal": "Frontiers in immunology", "year": 2022, "abstract": "Objective: Aging is a complex biological process and a major risk factor for cancer development. This study was conducted to develop a novel aging-based molecular classification and score system in clear cell renal cell carcinoma (ccRCC).\nMethods: Integrative analysis of aging-associated genes was performed among ccRCC patients in the TCGA and E-MTAB-1980 cohorts. In accordance with the transcriptional expression matrix of 173 prognostic aging-associated genes, aging phenotypes were clustered with the consensus clustering approach. The agingScore was generated to quantify aging phenotypes with principal component analysis. Tumor-infiltrating immune cells and the cancer immunity cycle were quantified with the ssGSEA approach. Immunotherapy response was estimated through the TIDE algorithm, and a series of tumor immunogenicity indicators were computed. Drug sensitivity analysis was separately conducted based on the GDSC, CTRP, and PRISM analyses.\nResults: Three aging phenotypes were established for ccRCC, with diverse prognosis, clinical features, immune cell infiltration, tumor immunogenicity, immunotherapeutic response, and sensitivity to targeted drugs. The agingScore was developed, which enabled to reliably and independently predict ccRCC prognosis. Low agingScore patients presented more undesirable survival outcomes. Several small molecular compounds and three therapeutic targets, namely, CYP11A1, SAA1, and GRIK4, were determined for the low agingScore patients. Additionally, the high agingScore patients were more likely to respond to immunotherapy.\nConclusion: Overall, our findings introduced an aging-based molecular classification and agingScore system into the risk stratification and treatment decision-making in ccRCC.", "claims": [{"id": "claim-method", "statement": "Multivariable Cox regression analysis was utilized to assess whether agingScore was independent of other clinical features.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:36032073", "locator": "sections[15] \"Statistical analysis\" paragraph 2", "quote": "Multivariable Cox regression analysis was utilized to assess whether agingScore was independent of other clinical features."}], "state": "complete"}, {"id": "claim-data-access", "statement": "The datasets presented in this study can be found in online repositories. The names of the repository/repositories and accession number(s) can be found in the article/Supplementary Material.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:36032073", "locator": "sections[31] \"Data availability statement\" paragraph 2", "quote": "The datasets presented in this study can be found in online repositories. The names of the repository/repositories and accession number(s) can be found in the article/Supplementary Material."}], "state": "complete"}, {"id": "claim-target-result", "statement": "In Figure 7K , the 1-, 3-, and 5-year OS for ccRCC individuals from the TCGA-KIRC cohort can be evaluated by this personalized nomogram model (C-index = 0.782).", "kind": "qualitative", "target": null, "evidence": [{"asset": "source:pmid:36032073", "locator": "sections[25] \"Construction of an agingScore-based nomogram for ccRCC prognosis\" paragraph 2", "quote": "In Figure 7K , the 1-, 3-, and 5-year OS for ccRCC individuals from the TCGA-KIRC cohort can be evaluated by this personalized nomogram model (C-index = 0.782)."}, {"asset": "source:pmid:36032073", "locator": "sections[24] \"Validation of the predictive performance of the agingScore in ccRCC prognosis\" paragraph 2", "quote": "Overall, the agingScore was a reliable prognostic indicator of ccRCC."}], "state": "complete"}], "gaps": []}, "experiment": {"state": "complete", "objective": "In Figure 7K , the 1-, 3-, and 5-year OS for ccRCC individuals from the TCGA-KIRC cohort can be evaluated by this personalized nomogram model (C-index = 0.782).", "steps": [{"id": "read_published_estimate", "order": 1, "name": "Read the published estimate from the source", "kind": "other", "state": "complete", "blocked_on": null, "description": "The claim, method and evidence span published with the source article.", "duration_hours": null, "parameters": {}, "inputs": ["source:pmid:36032073"], "outputs": ["the published estimate and its evidence"], "instruments": [], "reagents": []}, {"id": "obtain_source_data", "order": 2, "name": "Obtain the source data from the named repository", "kind": "data-preparation", "state": "complete", "blocked_on": null, "description": "The GEO series accession resolves and its sample accessions are listed. 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