When the chains do not break: the role of USP10 in physiology and pathology |
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Authors: | Udayan Bhattacharya Fiifi Neizer-Ashun Priyabrata Mukherjee Resham Bhattacharya |
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Affiliation: | 1.Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104 USA ;2.Peggy and Charles Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104 USA ;3.Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104 USA ;4.Department of Pathology, University of Oklahoma Health Science Center, Oklahoma City, OK 73104 USA |
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Abstract: | Deubiquitination is now understood to be as important as its partner ubiquitination for the maintenance of protein half-life, activity, and localization under both normal and pathological conditions. The enzymes that remove ubiquitin from target proteins are called deubiquitinases (DUBs) and they regulate a plethora of cellular processes. DUBs are essential enzymes that maintain intracellular protein homeostasis by recycling ubiquitin. Ubiquitination is a post-translational modification where ubiquitin molecules are added to proteins thus influencing activation, localization, and complex formation. Ubiquitin also acts as a tag for protein degradation, especially by proteasomal or lysosomal degradation systems. With ~100 members, DUBs are a large enzyme family; the ubiquitin-specific peptidases (USPs) being the largest group. USP10, an important member of this family, has enormous significance in diverse cellular processes and many human diseases. In this review, we discuss recent studies that define the roles of USP10 in maintaining cellular function, its involvement in human pathologies, and the molecular mechanisms underlying its association with cancer and neurodegenerative diseases. We also discuss efforts to modulate USPs as therapy in these diseases.Subject terms: Cell biology, Cell signalling |
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