1
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Young MJ, Wang SA, Chen YC, Liu CY, Hsu KC, Tang SW, Tseng YL, Wang YC, Lin SM, Hung JJ. USP24-i-101 targeting of USP24 activates autophagy to inhibit drug resistance acquired during cancer therapy. Cell Death Differ 2024; 31:574-591. [PMID: 38491202 PMCID: PMC11093971 DOI: 10.1038/s41418-024-01277-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 03/04/2024] [Accepted: 03/06/2024] [Indexed: 03/18/2024] Open
Abstract
Drug resistance in cancer therapy is the major reason for poor prognosis. Addressing this clinically unmet issue is important and urgent. In this study, we found that targeting USP24 by the specific USP24 inhibitors, USP24-i and its analogues, dramatically activated autophagy in the interphase and mitotic periods of lung cancer cells by inhibiting E2F4 and TRAF6, respectively. USP24 functional knockout, USP24C1695A, or targeting USP24 by USP24-i-101 inhibited drug resistance and activated autophagy in gefitinib-induced drug-resistant mice with doxycycline-induced EGFRL858R lung cancer, but this effect was abolished after inhibition of autophagy, indicating that targeting USP24-mediated induction of autophagy is required for inhibition of drug resistance. Genomic instability and PD-L1 levels were increased in drug resistant lung cancer cells and were inhibited by USP24-i-101 treatment or knockdown of USP24. In addition, inhibition of autophagy by bafilomycin-A1 significantly abolished the effect of USP24-i-101 on maintaining genomic integrity, decreasing PD-L1 and inhibiting drug resistance acquired in chemotherapy or targeted therapy. In summary, an increase in the expression of USP24 in cancer cells is beneficial for the induction of drug resistance and targeting USP24 by USP24-i-101 optimized from USP24-i inhibits drug resistance acquired during cancer therapy by increasing PD-L1 protein degradation and genomic stability in an autophagy induction-dependent manner.
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Affiliation(s)
- Ming-Jer Young
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shao-An Wang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yung-Ching Chen
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Yu Liu
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Kai-Cheng Hsu
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Sin-Wei Tang
- National Tainan First Senior High School, Tainan, Taiwan
| | - Yau-Lin Tseng
- Division of Thoracic Surgery, Department of Surgery, College of Medicine National Cheng Kung University, Tainan, Taiwan
| | - Yi-Ching Wang
- Institute of Pharmacology, National Cheng Kung University, Tainan, Taiwan
| | - Shih-Min Lin
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Jan-Jong Hung
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan.
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2
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Bolhuis DL, Emanuele MJ, Brown NG. Friend or foe? Reciprocal regulation between E3 ubiquitin ligases and deubiquitinases. Biochem Soc Trans 2024; 52:BST20230454. [PMID: 38414432 DOI: 10.1042/bst20230454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/31/2024] [Accepted: 02/06/2024] [Indexed: 02/29/2024]
Abstract
Protein ubiquitination is a post-translational modification that entails the covalent attachment of the small protein ubiquitin (Ub), which acts as a signal to direct protein stability, localization, or interactions. The Ub code is written by a family of enzymes called E3 Ub ligases (∼600 members in humans), which can catalyze the transfer of either a single ubiquitin or the formation of a diverse array of polyubiquitin chains. This code can be edited or erased by a different set of enzymes termed deubiquitinases (DUBs; ∼100 members in humans). While enzymes from these distinct families have seemingly opposing activities, certain E3-DUB pairings can also synergize to regulate vital cellular processes like gene expression, autophagy, innate immunity, and cell proliferation. In this review, we highlight recent studies describing Ub ligase-DUB interactions and focus on their relationships.
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Affiliation(s)
- Derek L Bolhuis
- Department of Biochemistry and Biophysics, UNC Chapel Hill School of Medicine, Chapel Hill, NC 27599, U.S.A
| | - Michael J Emanuele
- Department of Pharmacology and Lineberger Comprehensive Care Center, UNC Chapel Hill School of Medicine, Chapel Hill, NC 27599, U.S.A
| | - Nicholas G Brown
- Department of Pharmacology and Lineberger Comprehensive Care Center, UNC Chapel Hill School of Medicine, Chapel Hill, NC 27599, U.S.A
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3
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Xiao Y, Liu R, Li N, Li Y, Huang X. Role of the ubiquitin-proteasome system on macrophages in the tumor microenvironment. J Cell Physiol 2024; 239:e31180. [PMID: 38219045 DOI: 10.1002/jcp.31180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/14/2023] [Accepted: 12/12/2023] [Indexed: 01/15/2024]
Abstract
Tumor-associated macrophages (TAMs) are key components of the tumor microenvironment, and their different polarization states play multiple roles in tumors by secreting cytokines, chemokines, and so on, which are closely related to tumor development. In addition, the enrichment of TAMs is often associated with poor prognosis of tumors. Thus, targeting TAMs is a potential tumor treatment strategy, in which therapeutic approaches such as reducing TAMs numbers, remodeling TAMs phenotypes, and altering their functions are being extensively investigated. Meanwhile, the ubiquitin-proteasome system (UPS), an important mechanism of protein hydrolysis in eukaryotic cells, participates in cellular processes by regulating the activity and stability of key proteins. Interestingly, UPS plays a dual role in the process of tumor development, and its role in TAMs deserve to be investigated in depth. This review builds on this foundation to further explore the multiple roles of UPS on TAMs and identifies a promising approach to treat tumors by targeting TAMs with UPS.
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Affiliation(s)
- Yue Xiao
- First School of Clinical Medicine, Nanchang University, Nanchang, China
| | - Ruiqian Liu
- School of Future Technology, Nanchang University, Nanchang, China
| | - Na Li
- School of Future Technology, Nanchang University, Nanchang, China
| | - Yong Li
- Department of Anesthesiology, Medical Center of Anesthesiology and Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xuan Huang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, China
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4
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Kalita B, Sahu S, Bharadwaj A, Panneerselvam L, Martinez-Cebrian G, Agarwal M, Mathew SJ. The Wnt-pathway corepressor TLE3 interacts with the histone methyltransferase KMT1A to inhibit differentiation in Rhabdomyosarcoma. Oncogene 2024; 43:524-538. [PMID: 38177411 DOI: 10.1038/s41388-023-02911-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/25/2023] [Accepted: 11/29/2023] [Indexed: 01/06/2024]
Abstract
Rhabdomyosarcoma tumor cells resemble differentiating skeletal muscle cells, which unlike normal muscle cells, fail to undergo terminal differentiation, underlying their proliferative and metastatic properties. We identify the corepressor TLE3 as a key regulator of rhabdomyosarcoma tumorigenesis by inhibiting the Wnt-pathway. Loss of TLE3 function leads to Wnt-pathway activation, reduced proliferation, decreased migration, and enhanced differentiation in rhabdomyosarcoma cells. Muscle-specific TLE3-knockout results in enhanced expression of terminal myogenic differentiation markers during normal mouse development. TLE3-knockout rhabdomyosarcoma cell xenografts result in significantly smaller tumors characterized by reduced proliferation, increased apoptosis and enhanced differentiation. We demonstrate that TLE3 interacts with and recruits the histone methyltransferase KMT1A, leading to repression of target gene activation and inhibition of differentiation in rhabdomyosarcoma. A combination drug therapy regime to promote Wnt-pathway activation by the small molecule BIO and inhibit KMT1A by the drug chaetocin led to significantly reduced tumor volume, decreased proliferation, increased expression of differentiation markers and increased survival in rhabdomyosarcoma tumor-bearing mice. Thus, TLE3, the Wnt-pathway and KMT1A are excellent drug targets which can be exploited for treating rhabdomyosarcoma tumors.
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Affiliation(s)
- Bhargab Kalita
- Developmental Genetics Laboratory Regional Centre for Biotechnology (RCB) NCR Biotech Science Cluster 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India
- Department of Pathology and Perlmutter Cancer Center, New York University School of Medicine, New York, NY, 10016, USA
| | - Subhashni Sahu
- Developmental Genetics Laboratory Regional Centre for Biotechnology (RCB) NCR Biotech Science Cluster 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India
| | - Anushree Bharadwaj
- Developmental Genetics Laboratory Regional Centre for Biotechnology (RCB) NCR Biotech Science Cluster 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India
| | - Lakshmikanthan Panneerselvam
- Developmental Genetics Laboratory Regional Centre for Biotechnology (RCB) NCR Biotech Science Cluster 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India
| | | | - Megha Agarwal
- Developmental Genetics Laboratory Regional Centre for Biotechnology (RCB) NCR Biotech Science Cluster 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India
- Affiliated to Manipal University, Manipal, Karnataka, 576104, India
- Department of Pediatrics, School of Medicine, Stanford University, Stanford, CA, USA
| | - Sam J Mathew
- Developmental Genetics Laboratory Regional Centre for Biotechnology (RCB) NCR Biotech Science Cluster 3rd Milestone, Faridabad-Gurgaon Expressway, Faridabad, 121001, Haryana, India.
- Affiliated to Manipal University, Manipal, Karnataka, 576104, India.
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5
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Wang SA, Wu YC, Yang FM, Hsu FL, Zhang K, Hung JJ. NCI677397 targeting USP24-mediated induction of lipid peroxidation induces ferroptosis in drug-resistant cancer cells. Mol Oncol 2023. [PMID: 38140768 DOI: 10.1002/1878-0261.13574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/20/2023] [Accepted: 12/19/2023] [Indexed: 12/24/2023] Open
Abstract
Cancer represents a profound challenge to healthcare systems and individuals worldwide. The development of multiple drug resistance is a major problem in cancer therapy and can result in progression of the disease. In our previous studies, we developed small-molecule inhibitors targeting ubiquitin-specific peptidase 24 (USP24) to combat drug-resistant lung cancer. Recently, we found that the USP24 inhibitor NCI677397 induced ferroptosis, a type of programmed cell death, in drug-resistant cancer cells by increasing lipid reactive oxygen species (ROS) levels. In the present study, we investigated the molecular mechanisms and found that the targeting of USP24 by NCI677397 increased gene expression of most lipogenesis-related genes, such as acyl-CoA synthetase long-chain family member 4 (ACSL4), and activated autophagy. In addition, the activity of several antioxidant enzymes, such as glutathione peroxidase 4 (GPX4) and dihydrofolate reductase (DHFR), was inhibited by NCI677397 treatment via an increase in protein degradation, thereby inducing lipid ROS production and lipid peroxidation. In summary, we demonstrated that NCI677397 induced a marked increase in lipid ROS levels, subsequently causing lipid peroxidation and leading to the ferroptotic death of drug-resistant cancer cells. Our study provides new insights into the clinical use of USP24 inhibitors as ferroptosis inducers (FINs) to block drug resistance during chemotherapy.
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Affiliation(s)
- Shao-An Wang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taiwan
| | - Yu-Chih Wu
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taiwan
| | - Feng-Ming Yang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taiwan
| | - Feng-Lin Hsu
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taiwan
| | - Kuan Zhang
- Cardiovascular Research Institute, University of California, San Francisco, CA, USA
| | - Jan-Jong Hung
- Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
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6
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Hu Z, Zhao Y, Mang Y, Zhu J, Yu L, Li L, Ran J. MiR-21-5p promotes sorafenib resistance and hepatocellular carcinoma progression by regulating SIRT7 ubiquitination through USP24. Life Sci 2023; 325:121773. [PMID: 37187452 DOI: 10.1016/j.lfs.2023.121773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023]
Abstract
OBJECTIVE To validate the mechanism by which miR-21-5p mediates autophagy in drug-resistant cells in hepatocellular carcinoma (HCC), aggravating sorafenib resistance and progression of HCC. METHODS HCC cells were treated with sorafenib to establish sorafenib-resistant cells, and nude mice were subcutaneously injected with hepatoma cells to establish animal models. RT-qPCR was used to determine the level of miR-21-5p, and Western blotting was used to determine the level of related proteins. Cell apoptosis, cell migration, the level of LC3 were accessed. Immunohistochemical staining was used for detection of Ki-67 and LC3. A dual-luciferase reporter assay certified that miR-21-5p targets USP42, and a co-immunoprecipitation assay validated the mutual effect between USP24 and SIRT7. RESULTS miR-21-5p and USP42 were highly expressed in HCC tissue and cells. Inhibition of miR-21-5p or knockdown of USP42 inhibited cell proliferation and cell migration, upregulated the level of E-cadherin, and downregulated the level of vimentin, fibronectin and N-cadherin. Overexpression of miR-21-5p reversed the knockdown of USP42. Inhibition of miR-21-5p downregulated the ubiquitination level of SIRT7, downregulated the levels of LC3II/I ratio and Beclin1, and upregulated the expression of p62. The tumor size in the miR-21-5p inhibitor group was smaller, and Ki-67 and LC3 in tumor tissue were reduced, while the overexpression of USP42 reversed the effect of the miR-21-5p inhibitor. CONCLUSION miR-21-5p promotes deterioration and sorafenib resistance in hepatocellular carcinoma by upregulating autophagy levels. Knockdown of miR-21-5p inhibits the development of sorafenib-resistant tumors by USP24-mediated SIRT7 ubiquitination.
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Affiliation(s)
- Zongqiang Hu
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Yingpeng Zhao
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Yuanyi Mang
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Jiashun Zhu
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Lu Yu
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China
| | - Li Li
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China.
| | - Jianghua Ran
- First People's Hospital of Kunming City, Kunming, Yunnan 650032, China; The Calmette Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China.
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7
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Wang SA, Young MJ, Wang YC, Chen SH, Liu CY, Lo YA, Jen HH, Hsu KC, Hung JJ. USP24 promotes drug resistance during cancer therapy. Cell Death Differ 2021; 28:2690-2707. [PMID: 33846536 PMCID: PMC8408266 DOI: 10.1038/s41418-021-00778-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 03/22/2021] [Accepted: 03/25/2021] [Indexed: 02/01/2023] Open
Abstract
Drug resistance has remained an important issue in the treatment and prevention of various diseases, including cancer. Herein, we found that USP24 not only repressed DNA-damage repair (DDR) activity by decreasing Rad51 expression to cause the tumor genomic instability and cancer stemness, but also increased the levels of the ATP-binding cassette (ABC) transporters P-gp, ABCG2, and ezrin to enhance the pumping out of Taxol from cancer cells, thus resulted in drug resistance during cancer therapy. A novel USP24 inhibitor, NCI677397, was screened for specific inhibiting the catalytic activity of USP24. This inhibitor was identified to suppress drug resistance via decreasing genomic instability, cancer stemness, and the pumping out of drugs from cancer cells. Understanding the role and molecular mechanisms of USP24 in drug resistance will be beneficial for the future development of a novel USP24 inhibitor. Our studies provide a new insight of USP24 inhibitor for clinically implication of blocking drug resistance during chemotherapy.
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Affiliation(s)
- Shao-An Wang
- grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan ,grid.412896.00000 0000 9337 0481School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ming-Jer Young
- grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Chang Wang
- grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shu-Hui Chen
- grid.64523.360000 0004 0532 3255Department of Chemistry, College of Science, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Yu Liu
- grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Yao-An Lo
- grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Hung-Hsiang Jen
- grid.64523.360000 0004 0532 3255Department of Chemistry, College of Science, National Cheng Kung University, Tainan, Taiwan
| | - Kai-Cheng Hsu
- grid.412896.00000 0000 9337 0481Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Jan-Jong Hung
- grid.64523.360000 0004 0532 3255Department of Biotechnology and Bioindustry Sciences, National Cheng Kung University, Tainan, Taiwan ,grid.412896.00000 0000 9337 0481Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
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8
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He H, Yi L, Zhang B, Yan B, Xiao M, Ren J, Zi D, Zhu L, Zhong Z, Zhao X, Jin X, Xiong W. USP24-GSDMB complex promotes bladder cancer proliferation via activation of the STAT3 pathway. Int J Biol Sci 2021; 17:2417-2429. [PMID: 34326684 PMCID: PMC8315027 DOI: 10.7150/ijbs.54442] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 05/08/2021] [Indexed: 02/06/2023] Open
Abstract
Background: Bladder cancer is the fourth and tenth most common malignancy in men and women worldwide, respectively. One of the main reasons for the unsatisfactory therapeutic control of bladder cancer is that the molecular biological mechanism of bladder cancer is complex. Gasdermin B (GSDMB) is one member of the gasdermin family and participates in the regulation of cell pyroptosis. The role of GSDMB in bladder cancer has not been studied to date. Methods: TCGA database was used to exam the clinical relevance of GSDMB. Functional assays such as MTT assay, Celigo fluorescent cell-counting assay, Annexin V-APC assay and xenografts were used to evaluate the biological role of GSDMB in bladder cancer. Mass spectrometry and immunoprecipitation were used to detect the protein interaction between GSDMB and STAT3, or GSDMB and USP24. Western blot and immunohistochemistry were used to study the relationship between USP24, GSDMB and STAT3. Results: In this study, bioinformatics analysis indicated that the mRNA expression level of GSDMB in bladder cancer tissues was higher than that in adjacent normal tissues. Then, we showed that GSDMB promoted bladder cancer progression. Furthermore, we demonstrated that GSDMB interacted with STAT3 to increase the phosphorylation of STAT3 and modulate the glucose metabolism and promote tumor growth in bladder cancer cells. Besides, we also showed that USP24 stabilized GSDMB to activate STAT3 signaling, which was blocked by the USP24 inhibitor. Conclusions: We suggested that aberrantly up-regulated GSDMB was responsible for enhancing the growth and invasion ability of bladder cancer cells. Then, we showed that GSDMB could bind to STAT3 and activate STAT3 signaling in bladder cancer. Furthermore, we also demonstrated that USP24 interacted with GSDMB and prevented GSDMB from degradation in bladder cancer cells. Therefore, the USP24/GSDMB/STAT3 axis may be a new targetable signaling pathway for bladder cancer treatment.
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Affiliation(s)
- Haiqing He
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Lu Yi
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Bin Zhang
- Cancer center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bin Yan
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Ming Xiao
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Jiannan Ren
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Dong Zi
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Liang Zhu
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Zhaohui Zhong
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Xiaokun Zhao
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Xin Jin
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
| | - Wei Xiong
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
- Uro-Oncology Institute of Central South University, Changsha, Hunan, 410011, China
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9
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USP24 stabilizes bromodomain containing proteins to promote lung cancer malignancy. Sci Rep 2020; 10:20870. [PMID: 33257797 PMCID: PMC7705756 DOI: 10.1038/s41598-020-78000-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 11/11/2020] [Indexed: 01/21/2023] Open
Abstract
Bromodomain (BRD)-containing proteins are important for chromatin remodeling to regulate gene expression. In this study, we found that the deubiquitinase USP24 interacted with BRD through its C-terminus increased the levels of most BRD-containing proteins through increasing their protein stability by the removal of ubiquitin from Lys391/Lys400 of the BRD. In addition, we found that USP24 and BRG1 could regulate each other through regulating the protein stability and the transcriptional activity, respectively, of the other, suggesting that the levels of USP24 and BRG1 are regulated to form a positive feedback loop in cancer progression. Loss of the interaction motif of USP24 eliminated the ability of USP24 to stabilize BRD-containing proteins and abolished the effect of USP24 on cancer progression, including its inhibition of cancer cell proliferation and promotion of cancer cell migration, suggesting that the interaction between USP24 and the BRD is important for USP24-mediated effects on cancer progression. The targeting of BRD-containing proteins has been developed as a strategy for cancer therapy. Based on our study, targeting USP24 to inhibit the levels of BRD-containing proteins may inhibit cancer progression.
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10
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Thayer JA, Awad O, Hegdekar N, Sarkar C, Tesfay H, Burt C, Zeng X, Feldman RA, Lipinski MM. The PARK10 gene USP24 is a negative regulator of autophagy and ULK1 protein stability. Autophagy 2019; 16:140-153. [PMID: 30957634 PMCID: PMC6984603 DOI: 10.1080/15548627.2019.1598754] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Recent studies indicate a causative relationship between defects in autophagy and dopaminergic neuron degeneration in Parkinson disease (PD). However, it is not fully understood how autophagy is regulated in the context of PD. Here we identify USP24 (ubiquitin specific peptidase 24), a gene located in the PARK10 (Parkinson disease 10 [susceptibility]) locus associated with late onset PD, as a novel negative regulator of autophagy. Our data indicate that USP24 regulates autophagy by affecting ubiquitination and stability of the ULK1 protein. Knockdown of USP24 in cell lines and in human induced-pluripotent stem cells (iPSC) differentiated into dopaminergic neurons resulted in elevated ULK1 protein levels and increased autophagy flux in a manner independent of MTORC1 but dependent on the class III phosphatidylinositol 3-kinase (PtdIns3K) activity. Surprisingly, USP24 knockdown also improved neurite extension and/or maintenance in aged iPSC-derived dopaminergic neurons. Furthermore, we observed elevated levels of USP24 in the substantia nigra of a subpopulation of idiopathic PD patients, suggesting that USP24 may negatively regulate autophagy in PD. Abbreviations: Bafilomycin/BafA: bafilomycin A1; DUB: deubiquitinating enzyme; iPSC: induced pluripotent stem cells; MTOR: mechanistic target of rapamycin kinase; MTORC1: MTOR complex 1; nt: non-targeting; PD: Parkinson disease; p-ATG13: phospho-ATG13; PtdIns3P: phosphatidylinositol 3-phosphate; RPS6: ribosomal protein S6; SNPs: single nucleotide polymorphisms; TH: tyrosine hydroxylase; USP24: ubiquitin specific peptidase 24
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Affiliation(s)
- Julia A Thayer
- Department of Anesthesiology & Shock, Trauma and Anesthesiology Research Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Ola Awad
- Department of Microbiology and Immunology
| | - Nivedita Hegdekar
- Department of Anesthesiology & Shock, Trauma and Anesthesiology Research Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Chinmoy Sarkar
- Department of Anesthesiology & Shock, Trauma and Anesthesiology Research Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Henok Tesfay
- Department of Anesthesiology & Shock, Trauma and Anesthesiology Research Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Cameran Burt
- Department of Anesthesiology & Shock, Trauma and Anesthesiology Research Center, University of Maryland School of Medicine, Baltimore, MD, USA
| | | | | | - Marta M Lipinski
- Department of Anesthesiology & Shock, Trauma and Anesthesiology Research Center, University of Maryland School of Medicine, Baltimore, MD, USA.,Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
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Luo H, Jing B, Xia Y, Zhang Y, Hu M, Cai H, Tong Y, Zhou L, Yang L, Yang J, Lei H, Xu H, Liu C, Wu Y. WP1130 reveals USP24 as a novel target in T-cell acute lymphoblastic leukemia. Cancer Cell Int 2019; 19:56. [PMID: 30911287 PMCID: PMC6415346 DOI: 10.1186/s12935-019-0773-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 03/06/2019] [Indexed: 12/20/2022] Open
Abstract
Background T-cell acute lymphoblastic leukemia (T-ALL) is a lymphoid malignancy caused by the oncogenic transformation of immature T-cell progenitors with poor outcomes. WP1130 has shown potent activity against a variety of cancer but whether WP1130 has anti-T-ALL activity is not clear. USP24, one target of WP1130, is one of the largest deubiquitinases and its detailed mechanism is poorly understood. The aim of this study was to explore whether WP1130 could suppress T-ALL and the role of USP24 in T-ALL. Methods Molecular docking and cellular thermal shift assay were performed to determine whether and how WP1130 directly interact with USP24. Mitochondrial transmembrane potential assay was measured via Rhodamine 123 staining. USP24 was reactivated using the deactivated CRISPR-associated protein 9 (dCas9)-synergistic activation mediator (SAM) system. The in vivo results were examined by tumor xenografts in NOD-SCID mice. All statistical analyses were performed with the SPSS software package. Results WP1130 treatment decreased the viability and induces apoptosis of T-ALL cells both in vitro and in vivo. Furthermore, we demonstrated that knockdown of USP24 but not USP9X could significantly induce growth inhibition and apoptosis of T-ALL cells. Oncomine database showed that USP24 expression was upregulated in T-ALL samples and Kaplan–Meier results indicated that the USP24 was negatively but USP9X was positively associated with survival in T-ALL patients. Additionally, we proposed that WP1130 directly interacts with the activity site pocket of USP24 in T-ALL cells, which leads to the decrease of its substrates Mcl-1. Mechanistically, WP1130 induces apoptosis by accelerating the collapse of mitochondrial transmembrane potential via USP24-Mcl-1 axis. Conclusions Altogether, using WP1130 as a chemical probe, we demonstrate that USP24 but not USP9X is a novel target in T-ALL cells. Moreover, we uncovered that WP1130 induces apoptosis by accelerating the collapse of mitochondrial transmembrane potential via USP24-Mcl-1 axis. These results provide that USP24-Mcl-1 axis may represent a novel strategy in the treatment of T-ALL and WP1130 is a promising lead compound for developing anti-T-ALL drugs. Electronic supplementary material The online version of this article (10.1186/s12935-019-0773-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hao Luo
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Bo Jing
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Yu Xia
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Yugen Zhang
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Meng Hu
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Haiyan Cai
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Yin Tong
- 2Department of Hematology, Shanghai First People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Li Zhou
- 3State Key Laboratory of Medical Genomics, Department of Hematology, Faculty of Medical Laboratory Science, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200025 China
| | - Li Yang
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Junmei Yang
- 4Department of Clinical Laboratory, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, 450018 China
| | - Hu Lei
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Hanzhang Xu
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
| | - Chuanxu Liu
- 5Department of Hematology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092 China
| | - Yingli Wu
- 1Hongqiao International Institute of Medicine, Shanghai Tongren Hospital/Faculty of Basic Medicine, Chemical Biology Division of Shanghai Universities E-Institutes, Key Laboratory of Cell Differentiation and Apoptosis of the Chinese Ministry of Education, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025 China
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USP24 induces IL-6 in tumor-associated microenvironment by stabilizing p300 and β-TrCP and promotes cancer malignancy. Nat Commun 2018; 9:3996. [PMID: 30266897 PMCID: PMC6162259 DOI: 10.1038/s41467-018-06178-1] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 08/23/2018] [Indexed: 12/19/2022] Open
Abstract
We have previously demonstrated that USP24 is involved in cancer progression. Here, we found that USP24 expression is upregulated in M2 macrophages and lung cancer cells. Conditioned medium from USP24-knockdown M2 macrophages decreases the migratory and chemotactic activity of lung cancer cells and the angiogenic properties of human microvascular endothelial cell 1 (HMEC-1). IL-6 expression is significantly decreased in USP24-knockdown M2 macrophages and lung cancer cells, and IL-6-replenished conditioned medium restores the migratory, chemotactic and angiogenetic properties of the cells. USP24 stabilizes p300 and β-TrCP to increase the levels of histone-3 acetylation and NF-κB, and decreases the levels of DNMT1 and IκB, thereby increasing IL-6 transcription in M2 macrophages and lung cancer cells, results in cancer malignancy finally. IL-6 has previously been a target for cancer drug development. Here, we provide direct evidence to support that USP24 promotes IL-6 expression, which might be beneficial for cancer therapy. USP24 has previously been reported to be involved in cancer progression. Here, the authors demonstrate that USP24 stabilizes p300 and β-TrCP to increase the levels of NF-κB and histone-3 acetylation, and decrease DNMT1 and IκB levels which promotes IL-6 expression in M2 macrophages and lung cancer cells.
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EGF-mediated inhibition of ubiquitin-specific peptidase 24 expression has a crucial role in tumorigenesis. Oncogene 2016; 36:2930-2945. [PMID: 27991932 PMCID: PMC5454318 DOI: 10.1038/onc.2016.445] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 10/17/2016] [Accepted: 10/20/2016] [Indexed: 12/20/2022]
Abstract
In this study, several cancer-related proteins (Bax, p300, E2F4 and securin) have been proven to be substrates of ubiquitin-specific peptidase 24 (USP24), and relevance has been shown between USP24 and its substrates in samples from clinical lung cancer patients. Silencing USP24 increases the cancer formation by inhibiting cellular apoptosis and increasing cellular proliferation. Epidermal growth factor (EGF) treatment, and the KrasG12D and EGFRL858R mutations decrease USP24 protein stability via EGF- or CDK1-mediated phosphorylation at Ser1616, Ser2047 and Ser2604. Knockdown of USP24 decreases Bax and p300 levels, and reduces Ku70 acetylation, thereby preventing cancer cell apoptosis. In addition, knockdown of USP24 increases cell cycle progression by enhancing the G1–S transition and metaphase–anaphase transition. The molecular mechanism involves a decrease in the USP24 level, which reduces the expression of E2F4 and its partner TFDP1, and thus increases the G1/S transition. In conclusion, the USP24 level was decreased during the early stage of cancer and the mitotic stage of the cell cycle to regulate its substrates p300, Bax, E2F4 and securin, resulting in decreased cell apoptosis and increased cell cycle progression and, thus, cancer formation.
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Pinto-Fernandez A, Kessler BM. DUBbing Cancer: Deubiquitylating Enzymes Involved in Epigenetics, DNA Damage and the Cell Cycle As Therapeutic Targets. Front Genet 2016; 7:133. [PMID: 27516771 PMCID: PMC4963401 DOI: 10.3389/fgene.2016.00133] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 07/12/2016] [Indexed: 12/21/2022] Open
Abstract
Controlling cell proliferation is one of the hallmarks of cancer. A number of critical checkpoints ascertain progression through the different stages of the cell cycle, which can be aborted when perturbed, for instance by errors in DNA replication and repair. These molecular checkpoints are regulated by a number of proteins that need to be present at the right time and quantity. The ubiquitin system has emerged as a central player controlling the fate and function of such molecules such as cyclins, oncogenes and components of the DNA repair machinery. In particular, proteases that cleave ubiquitin chains, referred to as deubiquitylating enzymes (DUBs), have attracted recent attention due to their accessibility to modulation by small molecules. In this review, we describe recent evidence of the critical role of DUBs in aspects of cell cycle checkpoint control, associated DNA repair mechanisms and regulation of transcription, representing pathways altered in cancer. Therefore, DUBs involved in these processes emerge as potentially critical targets for the treatment of not only hematological, but potentially also solid tumors.
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Affiliation(s)
- Adan Pinto-Fernandez
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford Oxford, UK
| | - Benedikt M Kessler
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford Oxford, UK
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