{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T13:10:14Z","timestamp":1789477814995,"version":"build-2803163510"},"reference-count":116,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T00:00:00Z","timestamp":1779235200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancers"],"abstract":"<jats:p>Diabetes mellitus (DM), particularly Type 2 DM (T2DM), is increasingly recognized as both a risk factor and an early manifestation of pancreatic ductal adenocarcinoma (PDAC), yet the molecular mechanisms bridging these conditions remain poorly understood. There is growing evidence that chronic metabolic stress in diabetes induces persistent cellular reprogramming and metabolic memory through stable post-translational and epigenetic alterations, independent of conventional insulin resistance, obesity, and inflammatory pathways. We aim to elucidate how hyperglycaemia and metabolic overload contribute to the accumulation of major intermediates, such as acetyl-CoA, Uridine diphosphate N-acetylglucosamine (UDP-GlcNAc), and reactive oxygen species, which induce broad changes in post-translational modifications in diabetes-induced PDAC. A comprehensive literature search was conducted using electronic databases, including PubMed, Scopus, and Web of Science databases, to retrieve studies published between 2005 and 2025. This review synthesizes current understanding of post-translational modifications (PTM) dynamics in diabetes-associated PDAC, with emphasis on their role in modulating oncogenic pathways such as KRAS-MAPK and PI3K-AKT. We introduce the concept of PTM remodeling, wherein transient metabolic perturbations become persistently stabilized, contributing to metabolic memory and tumor initiation. In addition, we examine how PTM-driven alterations influence the pancreatic tumor microenvironment, including stromal activation, immune evasion, and metabolic crosstalk, reinforcing a bidirectional link between tumor progression and systemic metabolic dysfunction. Furthermore, emerging therapeutic strategies targeting PTM-regulating enzymes, metabolic substrates, and signaling nodes are discussed as potential approaches to disrupt this axis. Collectively, precision targeting of PTM-mediated metabolic reprogramming represents a promising framework for early intervention and therapeutic development in PDAC associated with diabetes.<\/jats:p>","DOI":"10.3390\/cancers18101657","type":"journal-article","created":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T12:30:51Z","timestamp":1779280251000},"page":"1657","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Diabetes-Driven Post-Translational Remodeling in Pancreatic Ductal Adenocarcinoma"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-6491-1909","authenticated-orcid":false,"given":"Srikanth","family":"Kavyashree","sequence":"first","affiliation":[{"name":"Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 210, Tamil Nadu, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kannan","family":"Harithpriya","sequence":"additional","affiliation":[{"name":"Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 210, Tamil Nadu, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3198-6066","authenticated-orcid":false,"given":"Kumar","family":"Ganesan","sequence":"additional","affiliation":[{"name":"School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5450-902X","authenticated-orcid":false,"given":"Kunka Mohanram","family":"Ramkumar","sequence":"additional","affiliation":[{"name":"Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 210, Tamil Nadu, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1093\/ndt\/gfaf177","article-title":"IDF Diabetes Atlas 11th edition 2025: Global prevalence and projections for 2050","volume":"41","author":"Duncan","year":"2026","journal-title":"Nephrol. 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