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Chen R, Zhang H, Li L, Li J, Xie J, Weng J, Tan H, Liu Y, Guo T, Wang M. Roles of ubiquitin-specific proteases in inflammatory diseases. Front Immunol 2024; 15:1258740. [PMID: 38322269 PMCID: PMC10844489 DOI: 10.3389/fimmu.2024.1258740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 01/02/2024] [Indexed: 02/08/2024] Open
Abstract
Ubiquitin-specific proteases (USPs), as one of the deubiquitinating enzymes (DUBs) families, regulate the fate of proteins and signaling pathway transduction by removing ubiquitin chains from the target proteins. USPs are essential for the modulation of a variety of physiological processes, such as DNA repair, cell metabolism and differentiation, epigenetic modulations as well as protein stability. Recently, extensive research has demonstrated that USPs exert a significant impact on innate and adaptive immune reactions, metabolic syndromes, inflammatory disorders, and infection via post-translational modification processes. This review summarizes the important roles of the USPs in the onset and progression of inflammatory diseases, including periodontitis, pneumonia, atherosclerosis, inflammatory bowel disease, sepsis, hepatitis, diabetes, and obesity. Moreover, we highlight a comprehensive overview of the pathogenesis of USPs in these inflammatory diseases as well as post-translational modifications in the inflammatory responses and pave the way for future prospect of targeted therapies in these inflammatory diseases.
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Affiliation(s)
- Rui Chen
- Center of Obesity and Metabolic Diseases, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
- Department of Stomatology, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Hui Zhang
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
- College of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Linke Li
- Center of Obesity and Metabolic Diseases, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
- Department of Stomatology, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Jinsheng Li
- College of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Jiang Xie
- Department of Pediatrics, Chengdu Third People's Hospital, Chengdu, Sichuan, China
| | - Jie Weng
- College of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Huan Tan
- Center of Obesity and Metabolic Diseases, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Yanjun Liu
- Center of Obesity and Metabolic Diseases, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Tailin Guo
- Center of Obesity and Metabolic Diseases, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Mengyuan Wang
- Center of Obesity and Metabolic Diseases, Department of General Surgery, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu, China
- Department of Stomatology, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
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Francis M, Bhaskar S, Komanduri S, Sheshadri P, Prasanna J, Kumar A. Deubiquitinase USP1 influences the dedifferentiation of mouse pancreatic β-cells. iScience 2023; 26:106771. [PMID: 37250303 PMCID: PMC10214732 DOI: 10.1016/j.isci.2023.106771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 03/08/2023] [Accepted: 04/24/2023] [Indexed: 05/31/2023] Open
Abstract
Loss of insulin-secreting β-cells in diabetes may be either due to apoptosis or dedifferentiation of β-cell mass. The ubiquitin-proteasome system comprising E3 ligase and deubiquitinases (DUBs) controls several aspects of β-cell functions. In this study, screening for key DUBs identified USP1 to be specifically involved in dedifferentiation process. Inhibition of USP1 either by genetic intervention or small-molecule inhibitor ML323 restored epithelial phenotype of β-cells, but not with inhibition of other DUBs. In absence of dedifferentiation cues, overexpression of USP1 was sufficient to induce dedifferentiation in β-cells; mechanistic insight showed USP1 to mediate its effect via modulating the expression of inhibitor of differentiation (ID) 2. In an in vivo streptozotocin (STZ)-induced dedifferentiation mouse model system, administering ML323 alleviated hyperglycemic state. Overall, this study identifies USP1 to be involved in dedifferentiation of β-cells and its inhibition may have a therapeutic application of reducing β-cell loss during diabetes.
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Affiliation(s)
- Meenal Francis
- Manipal Institute of Regenerative Medicine, Bangalore, Manipal Academy of Higher Education, Manipal, India
| | - Smitha Bhaskar
- Manipal Institute of Regenerative Medicine, Bangalore, Manipal Academy of Higher Education, Manipal, India
| | - Saarwani Komanduri
- Manipal Institute of Regenerative Medicine, Bangalore, Manipal Academy of Higher Education, Manipal, India
| | - Preethi Sheshadri
- Manipal Institute of Regenerative Medicine, Bangalore, Manipal Academy of Higher Education, Manipal, India
| | - Jyothi Prasanna
- Manipal Institute of Regenerative Medicine, Bangalore, Manipal Academy of Higher Education, Manipal, India
| | - Anujith Kumar
- Manipal Institute of Regenerative Medicine, Bangalore, Manipal Academy of Higher Education, Manipal, India
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Kitamura H. Ubiquitin-Specific Proteases (USPs) and Metabolic Disorders. Int J Mol Sci 2023; 24:3219. [PMID: 36834633 PMCID: PMC9966627 DOI: 10.3390/ijms24043219] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/10/2023] Open
Abstract
Ubiquitination and deubiquitination are reversible processes that modify the characteristics of target proteins, including stability, intracellular localization, and enzymatic activity. Ubiquitin-specific proteases (USPs) constitute the largest deubiquitinating enzyme family. To date, accumulating evidence indicates that several USPs positively and negatively affect metabolic diseases. USP22 in pancreatic β-cells, USP2 in adipose tissue macrophages, USP9X, 20, and 33 in myocytes, USP4, 7, 10, and 18 in hepatocytes, and USP2 in hypothalamus improve hyperglycemia, whereas USP19 in adipocytes, USP21 in myocytes, and USP2, 14, and 20 in hepatocytes promote hyperglycemia. In contrast, USP1, 5, 9X, 14, 15, 22, 36, and 48 modulate the progression of diabetic nephropathy, neuropathy, and/or retinopathy. USP4, 10, and 18 in hepatocytes ameliorates non-alcoholic fatty liver disease (NAFLD), while hepatic USP2, 11, 14, 19, and 20 exacerbate it. The roles of USP7 and 22 in hepatic disorders are controversial. USP9X, 14, 17, and 20 in vascular cells are postulated to be determinants of atherosclerosis. Moreover, mutations in the Usp8 and Usp48 loci in pituitary tumors cause Cushing syndrome. This review summarizes the current knowledge about the modulatory roles of USPs in energy metabolic disorders.
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Affiliation(s)
- Hiroshi Kitamura
- Laboratory of Comparative Medicine, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, Japan
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Caffeic acid phenethyl ester targets ubiquitin-specific protease 8 and synergizes with cisplatin in endometrioid ovarian carcinoma cells. Biochem Pharmacol 2022; 197:114900. [PMID: 34995485 DOI: 10.1016/j.bcp.2021.114900] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 01/03/2023]
Abstract
Deubiquitinases (DUBs) mediate the removal of ubiquitin from diverse proteins that participate in the regulation of cell survival, DNA damage repair, apoptosis and drug resistance. Previous studies have shown an association between activation of cell survival pathways and platinum-drug resistance in ovarian carcinoma cell lines. Among the strategies available to inhibit DUBs, curcumin derivatives appear promising, thus we hypothesized their use to enhance the efficacy of cisplatin in ovarian carcinoma preclinical models. The caffeic acid phenethyl ester (CAPE), inhibited ubiquitin-specific protease 8 (USP8), but not proteasomal DUBs in cell-free assays. When CAPE was combined with cisplatin in nine cell lines representative of various histotypes a synergistic effect was observed in TOV112D cells and in the cisplatin-resistant IGROV-1/Pt1 variant, both of endometrioid type and carrying mutant TP53. In the latter cells, persistent G1 accumulation upon combined treatment associated with p27kip1 protein levels was observed. The synergy was not dependent on apoptosis induction, and appeared to occur in cells with higher USP8 levels. In vivo antitumor activity studies supported the advantage of the combination of CAPE and cisplatin in the subcutaneous model of cisplatin-resistant IGROV-1/Pt1 ovarian carcinoma as well as CAPE activity on intraperitoneal disease. This study reveals the therapeutic potential of CAPE in cisplatin-resistant ovarian tumors as well as in tumors expressing USP8.
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Snyder NA, Silva GM. Deubiquitinating enzymes (DUBs): Regulation, homeostasis, and oxidative stress response. J Biol Chem 2021; 297:101077. [PMID: 34391779 PMCID: PMC8424594 DOI: 10.1016/j.jbc.2021.101077] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/10/2021] [Accepted: 08/11/2021] [Indexed: 12/17/2022] Open
Abstract
Ubiquitin signaling is a conserved, widespread, and dynamic process in which protein substrates are rapidly modified by ubiquitin to impact protein activity, localization, or stability. To regulate this process, deubiquitinating enzymes (DUBs) counter the signal induced by ubiquitin conjugases and ligases by removing ubiquitin from these substrates. Many DUBs selectively regulate physiological pathways employing conserved mechanisms of ubiquitin bond cleavage. DUB activity is highly regulated in dynamic environments through protein-protein interaction, posttranslational modification, and relocalization. The largest family of DUBs, cysteine proteases, are also sensitive to regulation by oxidative stress, as reactive oxygen species (ROS) directly modify the catalytic cysteine required for their enzymatic activity. Current research has implicated DUB activity in human diseases, including various cancers and neurodegenerative disorders. Due to their selectivity and functional roles, DUBs have become important targets for therapeutic development to treat these conditions. This review will discuss the main classes of DUBs and their regulatory mechanisms with a particular focus on DUB redox regulation and its physiological impact during oxidative stress.
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Affiliation(s)
- Nathan A Snyder
- Department of Biology, Duke University, Durham, North Carolina, USA
| | - Gustavo M Silva
- Department of Biology, Duke University, Durham, North Carolina, USA.
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Wang SW, Sheng H, Bai YF, Weng YY, Fan XY, Zheng F, Fu JQ, Zhang F. Inhibition of histone acetyltransferase by naringenin and hesperetin suppresses Txnip expression and protects pancreatic β cells in diabetic mice. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 88:153454. [PMID: 33663922 DOI: 10.1016/j.phymed.2020.153454] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/19/2020] [Accepted: 12/24/2020] [Indexed: 05/27/2023]
Abstract
BACKGROUND The damage of pancreatic β cells is a major pathogenesis of the development and progression of type 2 diabetes and there is still no effective therapy to protect pancreatic β cells clinically. In our previous study, we found that Quzhou Fructus Aurantii (QFA), which is rich in flavanones, had the protective effect of pancreatic β cells in diabetic mice. However, the underlying mechanism is still unclear. PURPOSE In the current study, we administered naringenin and hesperetin, two major active components of QFA, to protect pancreatic β cells and to investigate the underlying molecular mechanism focusing on the epigenetic modifications. METHODS We used diabetic db/db mouse and INS-1 pancreatic β cell line as in vivo and in vitro models to investigate the protective effect of naringenin and hesperetin on pancreatic β cells under high glucose environment and the related mechanism. The phenotypic changes were evaluatedby immunostaining and the measurement of biochemical indexes. The molecular mechanism was explored by biological techniques such as western blotting, qPCR, ChIP-seq and ChIP-qPCR, flow cytometry and lentivirus infection. RESULTS We found that naringenin and hesperetin had an inhibitory effect on histone acetylation. We showed that naringenin and hesperetin protected pancreatic β cells in vivo and in vitro, and this effect was independent of their direct antioxidant capacity. The further study found that the inhibition of thioredoxin-interacting protein (Txnip) expression regulated by histone acetylation was critical for the protective role of naringenin and hesperetin. Mechanistically, the histone acetylation inhibition by naringenin and hesperetin was achieved through regulating AMPK-mediated p300 inactivation. CONCLUSION These findings highlight flavanones and the phytomedicine rich in flavanones as important dietary supplements in protecting pancreatic β cells in advanced diabetes. In addition, targeting histone acetylation by phytomedicine is a potential strategy to delay the development and progression of diabetes.
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Affiliation(s)
- Si-Wei Wang
- Core Facility, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China
| | - Hao Sheng
- Zhejiang University School of Medicine, Hangzhou 310058, China
| | - Yong-Feng Bai
- Department of Clinical Laboratory, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China
| | - Yuan-Yuan Weng
- Department of Clinical Laboratory, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China
| | - Xue-Yu Fan
- Department of Clinical Laboratory, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China
| | - Fang Zheng
- Core Facility, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China
| | - Jing-Qi Fu
- School of Public Health, China Medical University, Shenyang 110122, China.
| | - Feng Zhang
- Core Facility, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China; Zhejiang University School of Medicine, Hangzhou 310058, China; Department of Clinical Laboratory, Quzhou Hospital, Zhejiang University School of Medicine, Quzhou 324000, China.
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Goldbraikh D, Neufeld D, Eid‐Mutlak Y, Lasry I, Gilda JE, Parnis A, Cohen S. USP1 deubiquitinates Akt to inhibit PI3K-Akt-FoxO signaling in muscle during prolonged starvation. EMBO Rep 2020; 21:e48791. [PMID: 32133736 PMCID: PMC7132338 DOI: 10.15252/embr.201948791] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 01/29/2020] [Accepted: 02/11/2020] [Indexed: 01/11/2023] Open
Abstract
PI3K-Akt-FoxO-mTOR signaling is the central pathway controlling growth and metabolism in all cells. Ubiquitination of the protein kinase Akt prior to its phosphorylation is required for PI3K-Akt activity. Here, we found that the deubiquitinating (DUB) enzyme USP1 removes K63-linked polyubiquitin chains on Akt to restrict PI3K-Akt-FoxO signaling in mouse muscle during prolonged starvation. DUB screening platform identified USP1 as a direct DUB for Akt, and USP1 depletion in mouse muscle increased Akt ubiquitination, PI3K-Akt-FoxO signaling, and glucose uptake during fasting. Co-immunoprecipitation and mass spectrometry identified disabled homolog-2 (Dab2), the tuberous sclerosis complex TSC1/TSC2, and PHLPP1 as USP1 bound proteins. During starvation, Dab2 is essential for Akt recruitment to USP1-TSC1-PHLPP1 complex, and for PI3K-Akt-FoxO inhibition. Surprisingly, USP1 limits TSC1 levels to sustain mTOR-mediated basal protein synthesis rates and maintain its own protein levels. We propose that Dab2 recruits Akt to USP1-TSC1-PHLPP1 complex to efficiently terminate the transmission of growth signals when cellular energy level is low.
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Affiliation(s)
- Dana Goldbraikh
- Faculty of BiologyTechnion Institute of TechnologyHaifaIsrael
| | | | - Yara Eid‐Mutlak
- Faculty of BiologyTechnion Institute of TechnologyHaifaIsrael
| | - Inbal Lasry
- Faculty of BiologyTechnion Institute of TechnologyHaifaIsrael
| | | | - Anna Parnis
- Faculty of BiologyTechnion Institute of TechnologyHaifaIsrael
| | - Shenhav Cohen
- Faculty of BiologyTechnion Institute of TechnologyHaifaIsrael
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