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SUMOylated Reptin maintains low intracellular ROS levels by activating mitophagy to drive gemcitabine resistance in gallbladder cancer.

Chuanxin Yang, Wei Wang, Yaodi Shao, Xiangjun Wang, Yangming Liu, Liqin Yu, Sijie Zhang, Renhao Xue, Jian Wang

Cell death & diseaseSep 10, 2026PMID 42716921doi:10.1038/s41419-026-08598-0 PMC13558568Journal ArticlepubmedProvenance
Source
PubMed
Retrieved
Sep 30, 2026
Layer
normalized (units and labels harmonized; values unchanged)
Run
ING-PUBMED-20260930-000001
Published

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Gemcitabine resistance remains a major challenge in the treatment of gallbladder cancer (GBC). Here, we elucidate a novel mechanism underlying gemcitabine resistance in GBC, centered on a self-reinforcing mitophagy/ROS/SENP3/Reptin loop. Gemcitabine-resistant GBC cells maintain significantly lower…

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