Ubiquitination and deubiquitination are two popular ways for the post-translational modification of proteins. These two modifications affect intracellular localization, stability, and function of target proteins. The process of deubiquitination is involved in histone modification, cell cycle regulation, cell differentiation, apoptosis, endocytosis, autophagy, and DNA repair after damage. Moreover, it is involved in the processes of carcinogenesis and cancer development. In this review, we discuss these issues in understanding deubiquitinating enzyme (DUB) function in head and neck squamous cell carcinoma (HNSCC), and their potential therapeutic strategies for HNSCC patients are also discussed.
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http://dx.doi.org/10.3390/ijms24010552 | DOI Listing |
Mol Med
January 2025
Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China.
Background: Mitochondrial dysfunction and neuronal damage are major sign of cytopathology in Huntington's disease (HD), a neurodegenerative disease. Ubiquitin specific peptidase 11 (USP11) is a deubiquitinating enzyme involved in various physiological processes through regulating protein degradation. However, its specific role in HD is unclear.
View Article and Find Full Text PDFInt Immunopharmacol
January 2025
Department of Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China; Medical Key Laboratory for Prevention and Treatment of Malignant Gynecological Tumor, Zhengzhou, Henan Province, China. Electronic address:
Ovarian cancer is a malignancy gynecologic oncology with high incidence and high mortality rate. M2-like tumor-associated macrophages promote cancer cell migration and metastasis. Ovarian tumor family deubiquitinase 4 (OTUD4) belongs to deubiquitinating enzyme family.
View Article and Find Full Text PDFCell Death Dis
January 2025
Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
Ubiquitin-specific protease 25 (USP25), a member of the deubiquitination family, plays an important role in protein ubiquitination, degradation, inflammation, and immune regulation. However, the role and mechanism of USP25 in ulcerative colitis (UC) remain unclear. To study the role and mechanism of USP25 in UC, bioinformatics analysis and research are conducted on clinical patients with UC, Usp25 knockout (Usp25) mice, intestinal epithelial cell-specific knockout signal transducer and activator of transcription 3 (Stat3) (Villin-Cre Stat3) mice, and human colonic epithelial cells.
View Article and Find Full Text PDFBiomedicines
December 2024
Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN 55905, USA.
Background/objectives: The enzyme ubiquitin-specific protease 44 (USP44) is a deubiquitinating enzyme with identified physiological roles as a tumor suppressor and an oncogene. While some binding partners and substrates are known for USP44, the identification of other interactions may improve our understanding of its role in cancer. We therefore performed a proximity biotinylation study that identified products of several known cancer genes that are associated with USP44, including a novel interaction between BRCA2 and USP44.
View Article and Find Full Text PDFBiomedicines
November 2024
Dalian Key Laboratory of Protein Modification and Disease, Faculty of Medicine, School of Biological Engineering, Dalian University of Technology, Dalian 116024, China.
Deubiquitinating enzymes are a class of proteases that remove ubiquitin tags from proteins, thereby controlling protein stability and function. Tumor inflammation arises from interactions between tumor cells and their microenvironment, which trigger an inflammatory response. The deubiquitinating enzyme USP7 plays a central role in this process.
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