{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T23:56:18Z","timestamp":1790898978067,"version":"4.1.0"},"reference-count":48,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T00:00:00Z","timestamp":1775692800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Epigenomes"],"abstract":"<jats:p>Background: Aging is the strongest risk factor for prostate cancer (PCa). It is accompanied by progressive epigenomic divergence, known as epigenetic drift, particularly affecting DNA methylation at regulatory regions. However, the extent to which age-associated promoter methylation contributes to coordinated microRNA (miRNA) expression changes in PCa remains incompletely characterized. Methods: We conducted an integrative in silico analysis of 449 primary tumors from the TCGA-PRAD cohort. Age was modeled as a continuous variable. Age-related miRNA expression changes were estimated from miRNA-seq data using DESeq2. Promoter DNA methylation changes (\u00b12 kb from transcription start sites) were assessed using Illumina 450K arrays and linear regression. MiRNAs showing significant age-associated alterations at both expression and methylation levels were classified as concordant or discordant based on directionality and prioritized using an effect size-based concordance score. We analyzed experimentally validated targets of prioritized miRNAs through functional enrichment and network-based approaches to identify convergent regulatory pathways. Results: Initially, we identified 105 age-associated miRNAs. After filtering, 65 candidates remained. Of these, we found 37 miRNAs with significant age-associated changes at both layers, including 20 concordant and 17 discordant miRNAs. These comprised well-characterized cancer-associated miRNAs and lesser-studied candidates enriched in CpG-rich regulatory regions. Network analyses revealed a limited set of genes under convergent regulation by multiple age-associated miRNAs. These implicated pathways are related to cell cycle control, apoptosis, stress response, and epigenetic regulation. Conclusions: Our findings support a model in which age-dependent promoter methylation drift contributes to coordinated miRNA deregulation in PCa. This convergence highlights biologically plausible miRNA biomarkers and age-sensitive epigenetic circuits relevant to prostate carcinogenesis.<\/jats:p>","DOI":"10.3390\/epigenomes10020027","type":"journal-article","created":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T07:55:12Z","timestamp":1775807712000},"page":"27","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Age-Related Epigenetic Drift Shapes Coordinated microRNA Promoter Methylation and Expression in Prostate Cancer"],"prefix":"10.3390","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8924-5738","authenticated-orcid":false,"given":"Fernando","family":"Bergez-Hern\u00e1ndez","sequence":"first","affiliation":[{"name":"Laboratorio de Investigaci\u00f3n Biom\u00e9dica y Biotecnol\u00f3gica, Lic. en Ciencias Biom\u00e9dicas, Universidad Aut\u00f3noma de Occidente, Av del Mar 1200, Teller\u00edas, Mazatl\u00e1n 82100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7024-7963","authenticated-orcid":false,"given":"Mart\u00edn","family":"Irigoyen-Arredondo","sequence":"additional","affiliation":[{"name":"Laboratorio de Investigaci\u00f3n Biom\u00e9dica y Biotecnol\u00f3gica, Lic. en Ciencias Biom\u00e9dicas, Universidad Aut\u00f3noma de Occidente, Av del Mar 1200, Teller\u00edas, Mazatl\u00e1n 82100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lizeth Carolina","family":"Flores-M\u00e9ndez","sequence":"additional","affiliation":[{"name":"Laboratorio de Investigaci\u00f3n Biom\u00e9dica y Biotecnol\u00f3gica, Lic. en Ciencias Biom\u00e9dicas, Universidad Aut\u00f3noma de Occidente, Av del Mar 1200, Teller\u00edas, Mazatl\u00e1n 82100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3390-7683","authenticated-orcid":false,"given":"Alejandra Paola","family":"Mart\u00ednez-Camberos","sequence":"additional","affiliation":[{"name":"Laboratorio de Investigaci\u00f3n Biom\u00e9dica y Biotecnol\u00f3gica, Lic. en Ciencias Biom\u00e9dicas, Universidad Aut\u00f3noma de Occidente, Av del Mar 1200, Teller\u00edas, Mazatl\u00e1n 82100, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1433","DOI":"10.1001\/jama.2025.0228","article-title":"Prostate Cancer: A Review","volume":"333","author":"Raychaudhuri","year":"2025","journal-title":"JAMA"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Beltran-Ontiveros, S.A., Fernandez-Galindo, M.A., Moreno-Ortiz, J.M., Contreras-Gutierrez, J.A., Madue\u00f1a-Molina, J., Arambula-Meraz, E., Leal-Leon, E., Becerril-Camacho, D.M., Picos-Cardenas, V.J., and Angulo-Rojo, C. 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