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Ubiquitin-specific proteases (USPs) are a subset of deubiquitinating enzymes (DUBs) that have crucial roles in regulating key signaling pathways, DNA repair mechanisms, and immune responses by modulating the interactions and stability of proteins, including oncogenes and tumor suppressors in many cancers, such as colorectal cancer (CRC). USPs present an attractive reservoir of drug targets that could potentially overcome the shortcomings of conventional pathway-specific cancer therapies. This review explores the roles of USPs in CRC, addresses the challenges in discovering and developing USP inhibitors, highlights recent advancements in drug development, and discusses the potential of targeted protein degraders and stabilizers including proteolysis-targeting chimeras (PROTACs), molecular glues, and DUB-targeting chimeras (DUBTACs) as strategies for drugging USPs.
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http://dx.doi.org/10.1016/j.drudis.2025.104356 | DOI Listing |
J Clin Invest
September 2025
Department of Medicine.
A20, encoded by the TNFAIP3 gene, is a protein linked to Crohn's disease and celiac disease in humans. We now find that mice expressing point mutations in A20's M1-ubiquitin-binding zinc finger 7 (ZF7) motif spontaneously develop proximal enteritis that requires both luminal microbes and T cells. Cellular and transcriptomic profiling reveals expansion of Th17 cells and exuberant expression of IL-17A and IL-22 in intestinal lamina propria of A20ZF7 mice.
View Article and Find Full Text PDFSci Rep
September 2025
Siriraj Cancer Center, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, 10700, Thailand.
Early detection of gastrointestinal (GI) cancers-including colorectal cancer (CRC), gastric cancer (GC), and esophagogastric junction cancer (EGJC)-is essential for improving patient outcomes. However, current diagnostic methods such as endoscopy and colonoscopy are invasive, costly, and not widely accessible. Proteases are elevated in many cancers and are detectable in peripheral blood, making them promising candidates for noninvasive diagnostic strategies.
View Article and Find Full Text PDFCell Death Dis
September 2025
Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
The ubiquitin-specific protease (USP) family is a major member of the deubiquitinating enzyme family that plays important and diverse roles in multiple tumors. The roles and mechanisms of action of USP family members in ovarian cancer are not well understood. This study aimed to screen all the USP family members and explored the specific function of USP43 in ovarian cancer.
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August 2025
Laboratory for Cellular Function Conversion Technology, RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama City, 230-0045, Kanagawa, Japan.
Epithelial-to-mesenchymal transition (EMT) is a cellular process important for numerous developmental processes, wound healing and cancer progression. In the context of heterogenous nature of cancer, EMT occurs at the forefront of tumor invasion, although the precise molecular mechanisms governing its spatial dynamics remain unclear. This study aimed to explore the diverse responses to EMT in monolayer cell cultures of MCF10A epithelial cell with induction of Zinc-finger E-box binding homeobox 1 (ZEB1), an EMT-inducing transcription factor.
View Article and Find Full Text PDFIn Vivo
August 2025
Discipline of Gastroenterology, Department of Medicine, Federal University of São Paulo, São Paulo, Brazil;
Background/aim: Gastric cancer (GC) remains one of the most common and fatal cancer types worldwide. Herein, we explored neuritin 1 () and tumor necrosis factor alpha-induced protein 3 () as minimally invasive biomarkers of GC.
Materials And Methods: The and mRNA levels in the peripheral blood samples of 42 patients with GC were compared with 12 individuals with no cancer diagnosis, and monitored after gastrectomy.