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Deubiquitinases in Ovarian Cancer: Role in Drug Resistance and Tumor Aggressiveness
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Deubiquitinases in Ovarian Cancer: Role in Drug Resistance and Tumor Aggressiveness
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Journal Article
Deubiquitinases in Ovarian Cancer: Role in Drug Resistance and Tumor Aggressiveness
2024
Overview
Ovarian cancer is a lethal disease due to late diagnosis and occurrence of drug resistance that limits the efficacy of platinum-based therapy. Drug resistance mechanisms include both tumor intrinsic and tumor microenvironment-related factors. A role for deubiquitinases (DUBs) is starting to emerge in ovarian cancer. DUBs are a large family of enzymes that remove ubiquitin from target proteins and participate in processes affecting drug resistance such as DNA damage repair and apoptosis. Besides, DUBs modulate the functions of T cell populations favoring an immune suppressed microenvironment. Three DUBs are proteasome-associated, whereas the large majority are not. Among the former DUBs, USP14 has been proposed to modulate transcription factors such as Bcl6 and BACH1. In addition, RPN11/PSMD14 interferes with various processes including epithelial mesenchymal transition, also favored by non-proteasomal DUBs such as USP1 by acting on Snail. Besides, USP8 by stabilizing HER family receptors can confer drug resistance. Overall, DUBs appear to be druggable, with several inhibitors under development. Based on DUBs biological role, DUBs targeting appears promising in view of combination strategies involving different therapeutic approaches. Here, we summarize the relevance of DUBs in ovarian carcinoma and provide insights into future challenges for the treatment of this disease.
Publisher
Ivyspring International Publisher
