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Tang J, Li J, Lian J, Huang Y, Zhang Y, Lu Y, Zhong G, Wang Y, Zhang Z, Bai X, Fang M, Wu L, Shen H, Wu J, Wang Y, Zhang L, Zhang H. CDK2-activated TRIM32 phosphorylation and nuclear translocation promotes radioresistance in triple-negative breast cancer. J Adv Res 2024; 61:239-251. [PMID: 37734566 PMCID: PMC11258662 DOI: 10.1016/j.jare.2023.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 09/04/2023] [Accepted: 09/14/2023] [Indexed: 09/23/2023] Open
Abstract
INTRODUCTION Despite radiotherapy being one of the major treatments for triple-negative breast cancer (TNBC), new molecular targets for its treatment are still required due to radioresistance. CDK2 plays a critical role in TNBC. However, the mechanism by which CDK2 promotes TNBC radioresistance remains to be clearly elucidated. OBJECTIVES We aimed to elucidate the relationship between CDK2 and TRIM32 and the regulation mechanism in TNBC. METHODS We performed immunohistochemical staining to detect nuclear TRIM32, CDK2 and STAT3 on TNBC tissues. Western blot assays and PCR were used to detect the protein and mRNA level changes. CRISPR/Cas9 used to knock out CDK2. shRNA-knockdown and transfection assays also used to knock out target genes. GST pull-down analysis, immunoprecipitation (IP) assay and in vitro isomerization analysis also used. Tumorigenesis studies also used to verify the results in vitro. RESULTS Herein, tripartite motif-containing protein 32 (TRIM32) is revealed as a substrate of CDK2. Radiotherapy promotes the binding of CDK2 and TRIM32, thus leading to increased CDK2-dependent phosphorylation of TRIM32 at serines 328 and 339. This causes the recruitment of PIN1, involved in cis-trans isomerization of TRIM32, resulting in importin α3 binding to TRIM32 and contributing to its nuclear translocation. Nuclear TRIM32 inhibits TC45-dephosphorylated STAT3, Leading to increased transcription of STAT3 and radioresistance in TNBC. These results were validated by clinical prognosis confirmed by the correlative expressions of the critical components of the CDK2/TRIM32/STAT3 signaling pathway. CONCLUSIONS Our findings demonstrate that regulating the CDK2/TRIM32/STAT3 pathway is a promising strategy for reducing radioresistance in TNBC.
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Affiliation(s)
- Jianming Tang
- Department of Radiation Oncology, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, PR China; The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu 730000, PR China.
| | - Jing Li
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Jiayan Lian
- Department of Pathology, The 7th Affiliated Hospital of Sun Yat-Sen University, Shenzhen 510275, Guandong, PR China
| | - Yumei Huang
- Cancer Center, Department of Medical Oncology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Shangtang Road 158, Hangzhou, Zhejiang 310014, PR China
| | - Yaqing Zhang
- Department of Obstetrics and Gynecology, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu 730050, PR China
| | - Yanwei Lu
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang 310014, PR China
| | - Guansheng Zhong
- Department of Breast Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, PR China
| | - Yaqi Wang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Zhitao Zhang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Xin Bai
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Min Fang
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang 310014, PR China
| | - Luming Wu
- Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Haofei Shen
- Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Jingyuan Wu
- Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, PR China
| | - Yiqing Wang
- Gansu International Scientific and Technological Cooperation Base of Reproductive Medicine Transformation Application, The First Hospital of Lanzhou University, Lanzhou University, Lanzhou, Gansu 730000, PR China.
| | - Lei Zhang
- Department of Radiation Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, PR China.
| | - Haibo Zhang
- Cancer Center, Department of Radiation Oncology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang 310014, PR China.
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Qi H, Yu M, Fan X, Zhou Y, Zhang M, Gao X. Methionine and Leucine Promote mTOR Gene Transcription and Milk Synthesis in Mammary Epithelial Cells through the eEF1Bα-UBR5-ARID1A Signaling. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11733-11745. [PMID: 38725145 DOI: 10.1021/acs.jafc.4c00973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
Amino acids are essential for the activation of the mechanistic target of rapamycin (mTOR), but the corresponding molecular mechanism is not yet fully understood. We previously found that Met stimulated eukaryotic elongation factor α (eEF1Bα) nuclear localization in bovine mammary epithelial cells (MECs). Herein, we explored the role and molecular mechanism of eEF1Bα in methionine (Met)- and leucine (Leu)-stimulated mTOR gene transcription and milk synthesis in MECs. eEF1Bα knockdown decreased milk protein and fat synthesis, cell proliferation, and mTOR mRNA expression and phosphorylation, whereas eEF1Bα overexpression had the opposite effects. QE-MS analysis detected that eEF1Bα was phosphorylated at Ser106 in the nucleus and Met and Leu stimulated p-eEF1Bα nuclear localization. eEF1Bα knockdown abrogated the stimulation of Met and Leu by mTOR mRNA expression and phosphorylation, and this regulatory role was dependent on its phosphorylation. Akt knockdown blocked the stimulation of Met and Leu by eEF1Bα and p-eEF1Bα expression. ChIP-PCR detected that p-eEF1Bα bound only to the -548 to -793 nt site in the mTOR promoter, and ChIP-qPCR further detected that Met and Leu stimulated this binding. eEF1Bα mediated Met and Leu' stimulation on mTOR mRNA expression and phosphorylation through inducing AT-rich interaction domain 1A (ARID1A) ubiquitination degradation, and this process depended on eEF1Bα phosphorylation. p-eEF1Bα interacted with ARID1A and ubiquitin protein ligase E3 module N-recognition 5 (UBR5), and UBR5 knockdown rescued the decrease of the ARID1A protein level by eEF1Bα overexpression. Both eEF1Bα and p-eEF1Bα were highly expressed in mouse mammary gland tissues during the lactating period. In summary, we reveal that Met and Leu stimulate mTOR transcriptional activation and milk protein and fat synthesis in MECs through eEF1Bα-UBR5-ARID1A signaling.
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Affiliation(s)
- Hao Qi
- College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China
| | - Mengmemg Yu
- College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China
| | - Xiuqiang Fan
- College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China
| | - Yuwen Zhou
- College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China
| | - Minghui Zhang
- College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China
| | - Xuejun Gao
- College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China
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Nan Y, Wu X, Luo Q, Chang W, Zhao P, Zhang L, Liu Z. OTUB2 silencing promotes ovarian cancer via mitochondrial metabolic reprogramming and can be synthetically targeted by CA9 inhibition. Proc Natl Acad Sci U S A 2024; 121:e2315348121. [PMID: 38701117 PMCID: PMC11087800 DOI: 10.1073/pnas.2315348121] [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: 09/05/2023] [Accepted: 03/27/2024] [Indexed: 05/05/2024] Open
Abstract
Ovarian cancer is an aggressive gynecological tumor characterized by a high relapse rate and chemoresistance. Ovarian cancer exhibits the cancer hallmark of elevated glycolysis, yet effective strategies targeting cancer cell metabolic reprogramming to overcome therapeutic resistance in ovarian cancer remain elusive. Here, we revealed that epigenetic silencing of Otubain 2 (OTUB2) is a driving force for mitochondrial metabolic reprogramming in ovarian cancer, which promotes tumorigenesis and chemoresistance. Mechanistically, OTUB2 silencing destabilizes sorting nexin 29 pseudogene 2 (SNX29P2), which subsequently prevents hypoxia-inducible factor-1 alpha (HIF-1α) from von Hippel-Lindau tumor suppressor-mediated degradation. Elevated HIF-1α activates the transcription of carbonic anhydrase 9 (CA9) and drives ovarian cancer progression and chemoresistance by promoting glycolysis. Importantly, pharmacological inhibition of CA9 substantially suppressed tumor growth and synergized with carboplatin in the treatment of OTUB2-silenced ovarian cancer. Thus, our study highlights the pivotal role of OTUB2/SNX29P2 in suppressing ovarian cancer development and proposes that targeting CA9-mediated glycolysis is an encouraging strategy for the treatment of ovarian cancer.
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Affiliation(s)
- Yabing Nan
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100021, China
| | - Xiaowei Wu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA02215
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA02215
| | - Qingyu Luo
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA02215
| | - Wan Chang
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100021, China
| | - Pengfei Zhao
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100021, China
| | - Lingqiang Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing100850, China
| | - Zhihua Liu
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing100021, China
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Kong L, Jin X. Dysregulation of deubiquitination in breast cancer. Gene 2024; 902:148175. [PMID: 38242375 DOI: 10.1016/j.gene.2024.148175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/04/2023] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
Breast cancer (BC) is a highly frequent malignant tumor that poses a serious threat to women's health and has different molecular subtypes, histological subtypes, and biological features, which act by activating oncogenic factors and suppressing cancer inhibitors. The ubiquitin-proteasome system (UPS) is the main process contributing to protein degradation, and deubiquitinases (DUBs) are reverse enzymes that counteract this process. There is growing evidence that dysregulation of DUBs is involved in the occurrence of BC. Herein, we review recent research findings in BC-associated DUBs, describe their nature, classification, and functions, and discuss the potential mechanisms of DUB-related dysregulation in BC. Furthermore, we present the successful treatment of malignant cancer with DUB inhibitors, as well as analyzing the status of targeting aberrant DUBs in BC.
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Affiliation(s)
- Lili Kong
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo 315211, Zhejiang, China
| | - Xiaofeng Jin
- Department of Biochemistry and Molecular Biology, Zhejiang Key Laboratory of Pathophysiology, Health Science Center, Ningbo 315211, Zhejiang, China.
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Zhang X, Zhang Y, Zhang Q, Lu M, Chen Y, Zhang X, Zhang P. Role of AT-rich interaction domain 1A in gastric cancer immunotherapy: Preclinical and clinical perspectives. J Cell Mol Med 2024; 28:e18063. [PMID: 38041544 PMCID: PMC10902580 DOI: 10.1111/jcmm.18063] [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: 09/13/2023] [Revised: 10/31/2023] [Accepted: 11/14/2023] [Indexed: 12/03/2023] Open
Abstract
The application of immune checkpoint inhibitor (ICI) using monoclonal antibodies has brought about a profound transformation in the clinical outcomes for patients grappling with advanced gastric cancer (GC). Nonetheless, despite these achievements, the quest for effective functional biomarkers for ICI therapy remains constrained. Recent research endeavours have shed light on the critical involvement of modified epigenetic regulators in the pathogenesis of gastric tumorigenesis, thus providing a glimpse into potential biomarkers. Among these regulatory factors, AT-rich interaction domain 1A (ARID1A), a pivotal constituent of the switch/sucrose non-fermentable (SWI/SNF) complex, has emerged as a promising candidate. Investigations have unveiled the pivotal role of ARID1A in bridging the gap between genome instability and the reconfiguration of the tumour immune microenvironment, culminating in an enhanced response to ICI within the landscape of gastric cancer treatment. This all-encompassing review aims to dissect the potential of ARID1A as a valuable biomarker for immunotherapeutic approaches in gastric cancer, drawing from insights garnered from both preclinical experimentation and clinical observations.
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Affiliation(s)
- Xuemei Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Youzhi Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
- School of PharmacyHubei University of Science and TechnologyXianningChina
| | - Qiaoyun Zhang
- School of PharmacyHubei University of Science and TechnologyXianningChina
| | - Mengyao Lu
- Department of Oncology, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Yuan Chen
- Department of Oncology, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Xiaoyu Zhang
- Division of Gastrointestinal Surgery, Department of General Surgery, Huai'an Second People's Hospitalthe Affiliated Huai'an Hospital of Xuzhou Medical UniversityHuaianChina
| | - Peng Zhang
- Department of Oncology, Tongji Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
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Xue Y, Xue C, Song W. Emerging roles of deubiquitinating enzymes in actin cytoskeleton and tumor metastasis. Cell Oncol (Dordr) 2024:10.1007/s13402-024-00923-z. [PMID: 38324230 DOI: 10.1007/s13402-024-00923-z] [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] [Accepted: 01/25/2024] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND Metastasis accounts for the majority of cancer-related deaths. Actin dynamics and actin-based cell migration and invasion are important factors in cancer metastasis. Metastasis is characterized by actin polymerization and depolymerization, which are precisely regulated by molecular changes involving a plethora of actin regulators, including actin-binding proteins (ABPs) and signalling pathways, that enable cancer cell dissemination from the primary tumour. Research on deubiquitinating enzymes (DUBs) has revealed their vital roles in actin dynamics and actin-based migration and invasion during cancer metastasis. CONCLUSION Here, we review how DUBs drive tumour metastasis by participating in actin rearrangement and actin-based migration and invasion. We summarize the well-characterized and essential actin cytoskeleton signalling molecules related to DUBs, including Rho GTPases, Src kinases, and ABPs such as cofilin and cortactin. Other DUBs that modulate actin-based migration signalling pathways are also discussed. Finally, we discuss and address therapeutic opportunities and ongoing challenges related to DUBs with respect to actin dynamics.
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Affiliation(s)
- Ying Xue
- Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, PR China.
| | - Cong Xue
- School of Stomatology, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, 250117, PR China
| | - Wei Song
- Department of Oncology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, PR China.
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Ren J, Yu P, Liu S, Li R, Niu X, Chen Y, Zhang Z, Zhou F, Zhang L. Deubiquitylating Enzymes in Cancer and Immunity. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2303807. [PMID: 37888853 PMCID: PMC10754134 DOI: 10.1002/advs.202303807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 08/30/2023] [Indexed: 10/28/2023]
Abstract
Deubiquitylating enzymes (DUBs) maintain relative homeostasis of the cellular ubiquitome by removing the post-translational modification ubiquitin moiety from substrates. Numerous DUBs have been demonstrated specificity for cleaving a certain type of ubiquitin linkage or positions within ubiquitin chains. Moreover, several DUBs perform functions through specific protein-protein interactions in a catalytically independent manner, which further expands the versatility and complexity of DUBs' functions. Dysregulation of DUBs disrupts the dynamic equilibrium of ubiquitome and causes various diseases, especially cancer and immune disorders. This review summarizes the Janus-faced roles of DUBs in cancer including proteasomal degradation, DNA repair, apoptosis, and tumor metastasis, as well as in immunity involving innate immune receptor signaling and inflammatory and autoimmune disorders. The prospects and challenges for the clinical development of DUB inhibitors are further discussed. The review provides a comprehensive understanding of the multi-faced roles of DUBs in cancer and immunity.
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Affiliation(s)
- Jiang Ren
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
| | - Peng Yu
- Zhongshan Institute for Drug DiscoveryShanghai Institute of Materia MedicaChinese Academy of SciencesZhongshanGuangdongP. R. China
| | - Sijia Liu
- International Biomed‐X Research CenterSecond Affiliated Hospital of Zhejiang University School of MedicineZhejiang UniversityHangzhouP. R. China
- Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang ProvinceHangzhou310058China
| | - Ran Li
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
| | - Xin Niu
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
| | - Yan Chen
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
| | - Zhenyu Zhang
- Department of NeurosurgeryThe First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan450003P. R. China
| | - Fangfang Zhou
- Institutes of Biology and Medical ScienceSoochow UniversitySuzhou215123P. R. China
| | - Long Zhang
- The Eighth Affiliated HospitalSun Yat‐sen UniversityShenzhen518033P. R. China
- International Biomed‐X Research CenterSecond Affiliated Hospital of Zhejiang University School of MedicineZhejiang UniversityHangzhouP. R. China
- MOE Laboratory of Biosystems Homeostasis & Protection and Innovation Center for Cell Signaling NetworkLife Sciences InstituteZhejiang UniversityHangzhou310058P. R. China
- Cancer CenterZhejiang UniversityHangzhouZhejiang310058P. R. China
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Yang X, Ma H, Zhang M, Wang R, Li X. TRIM32 promotes oral squamous cell carcinoma progression by enhancing FBP2 ubiquitination and degradation. Biochem Biophys Res Commun 2023; 678:165-172. [PMID: 37640002 DOI: 10.1016/j.bbrc.2023.08.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 08/16/2023] [Indexed: 08/31/2023]
Abstract
The aberrant expression of TRIM32, an E3 ubiquitin ligase, has been identified in multiple malignant cancer types. Nevertheless, the functional roles and detailed mechanisms of TRIM32 in oral squamous cell carcinoma (OSCC) remain to be elucidated. Here, we investigated TRIM32 expression and its functional role in OSCC. TRIM32 expression was consistently elevated in OSCC tissues, particularly in samples from patients with advanced clinical grades. Functionally, silencing TRIM32 dampened OSCC cell growth, migration and invasion. Additionally, a xenograft tumor model suggested that TRIM32 knockdown suppressed in vivo OSCC tumor growth and lung metastasis formation. Mechanistically, we discovered that TRIM32 directly bound to the FBP2 protein via mass spectrometry and co-immunoprecipitation. TRIM32 could interact with FBP2 and accelerates its degradation, eventually enhancing glycolysis in OSCC cell lines. Importantly, rescue assays demonstrated that FBP2 silencing could at least partially offset the tumor-suppressive and aerobic glycolysis inhibition effect induced by TRIM32 knockdown. Thus, our findings demonstrate that TRIM32 plays a crucial role in promoting tumor growth and enhancing glycolysis through FBP2 inhibition. Given OSCC is associated with increased glycolysis levels, our study suggests potential therapeutic targets for OSCC treatment.
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Affiliation(s)
- Xiao Yang
- Department of Stomatology, Affiliated Hospital of Jining Medical University, No. 89, Guhuai Road, Jining, 272000, Shandong, China; Postdoctoral Mobile Station of Shandong University of Traditional Chinese Medicine, No. 4655, Daxue Road, Changqing District, Jinan, 250399, Shandong, China.
| | - Haifeng Ma
- Department of Stomatology, Affiliated Hospital of Jining Medical University, No. 89, Guhuai Road, Jining, 272000, Shandong, China.
| | - Min Zhang
- Department of Stomatology, Affiliated Hospital of Jining Medical University, No. 89, Guhuai Road, Jining, 272000, Shandong, China.
| | - Renzhong Wang
- Department of Otolaryngology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, No. 42, Wenhua Road, Jinan, 250011, Shandong, China.
| | - Xiaoyu Li
- Department of Otolaryngology, Affiliated Hospital of Jining Medical University, No. 89, Guhuai Road, Jining, 272000, Shandong, China.
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Ye Z, Yang J, Jiang H, Zhan X. The roles of protein ubiquitination in tumorigenesis and targeted drug discovery in lung cancer. Front Endocrinol (Lausanne) 2023; 14:1220108. [PMID: 37795365 PMCID: PMC10546409 DOI: 10.3389/fendo.2023.1220108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 08/31/2023] [Indexed: 10/06/2023] Open
Abstract
The malignant lung cancer has a high morbidity rate and very poor 5-year survival rate. About 80% - 90% of protein degradation in human cells is occurred through the ubiquitination enzyme pathway. Ubiquitin ligase (E3) with high specificity plays a crucial role in the ubiquitination process of the target protein, which usually occurs at a lysine residue in a substrate protein. Different ubiquitination forms have different effects on the target proteins. Multiple short chains of ubiquitination residues modify substrate proteins, which are favorable signals for protein degradation. The dynamic balance adapted to physiological needs between ubiquitination and deubiquitination of intracellular proteins is beneficial to the health of the organism. Ubiquitination of proteins has an impact on many biological pathways, and imbalances in these pathways lead to diseases including lung cancer. Ubiquitination of tumor suppressor protein factors or deubiquitination of tumor carcinogen protein factors often lead to the progression of lung cancer. Ubiquitin proteasome system (UPS) is a treasure house for research and development of new cancer drugs for lung cancer, especially targeting proteasome and E3s. The ubiquitination and degradation of oncogene proteins with precise targeting may provide a bright prospect for drug development in lung cancer; Especially proteolytic targeted chimerism (PROTAC)-induced protein degradation technology will offer a new strategy in the discovery and development of new drugs for lung cancer.
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Affiliation(s)
- Zhen Ye
- Medical Science and Technology Innovation Center, Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
- School of Clinical and Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Jingru Yang
- Medical Science and Technology Innovation Center, Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Hanming Jiang
- School of Clinical and Basic Medicine, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Xianquan Zhan
- Medical Science and Technology Innovation Center, Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
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Jeong SY, Choi JH, Kim J, Woo JS, Lee EH. Tripartite Motif-Containing Protein 32 (TRIM32): What Does It Do for Skeletal Muscle? Cells 2023; 12:2104. [PMID: 37626915 PMCID: PMC10453674 DOI: 10.3390/cells12162104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023] Open
Abstract
Tripartite motif-containing protein 32 (TRIM32) is a member of the tripartite motif family and is highly conserved from flies to humans. Via its E3 ubiquitin ligase activity, TRIM32 mediates and regulates many physiological and pathophysiological processes, such as growth, differentiation, muscle regeneration, immunity, and carcinogenesis. TRIM32 plays multifunctional roles in the maintenance of skeletal muscle. Genetic variations in the TRIM32 gene are associated with skeletal muscular dystrophies in humans, including limb-girdle muscular dystrophy type 2H (LGMD2H). LGMD2H-causing genetic variations of TRIM32 occur most frequently in the C-terminal NHL (ncl-1, HT2A, and lin-41) repeats of TRIM32. LGMD2H is characterized by skeletal muscle dystrophy, myopathy, and atrophy. Surprisingly, most patients with LGMD2H show minimal or no dysfunction in other tissues or organs, despite the broad expression of TRIM32 in various tissues. This suggests more prominent roles for TRIM32 in skeletal muscle than in other tissues or organs. This review is focused on understanding the physiological roles of TRIM32 in skeletal muscle, the pathophysiological mechanisms mediated by TRIM32 genetic variants in LGMD2H patients, and the correlations between TRIM32 and Duchenne muscular dystrophy (DMD).
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Affiliation(s)
- Seung Yeon Jeong
- Department of Physiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
- Department of Biomedicine & Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Jun Hee Choi
- Department of Physiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
- Department of Biomedicine & Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Jooho Kim
- Department of Physiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
- Department of Biomedicine & Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Jin Seok Woo
- Department of Physiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 10833, USA
| | - Eun Hui Lee
- Department of Physiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
- Department of Biomedicine & Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Republic of Korea
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Lin G, Qi H, Guo X, Wang W, Zhang M, Gao X. ARID1B blocks methionine-stimulated mTOR activation to inhibit milk fat and protein synthesis in and proliferation of mouse mammary epithelial cells. J Nutr Biochem 2023; 114:109274. [PMID: 36681308 DOI: 10.1016/j.jnutbio.2023.109274] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 12/03/2022] [Accepted: 01/13/2023] [Indexed: 01/20/2023]
Abstract
Met can function through the mTOR signaling pathway, but the molecular mechanism is not fully understood. Here we investigated the role of ARID1B in this regulatory process. ARID1B knockdown promoted milk fat and protein synthesis in and cell proliferation of HC11 cells and increased mTOR mRNA expression and protein phosphorylation, whereas ARID1B gene activation had the opposite effects. ARID1B gene activation totally blocked Met's stimulation on mTOR mRNA expression. ARID1B bound to one region of the mTOR promoter, and Met reduced the binding of ARID1B on this promoter. LY294002 blocked Met-induced reduction of ARID1B mRNA and protein level. Cycloheximide treatment did not affect the decrease of ARID1B by Met. MG132 but not chloroquine restored ARID1B degradation induced by Met. Our data reveal that ARID1B is a key negative regulator of milk fat and protein synthesis in and proliferation of HC11 cells, and blocks Met-stimulated mTOR gene transcription.
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Affiliation(s)
- Gang Lin
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Hao Qi
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Xudong Guo
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Wenqiang Wang
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Minghui Zhang
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Xuejun Gao
- College of Animal Science, Yangtze University, Jingzhou, China.
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12
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Kang D, Baek Y, Lee JS. Mechanisms of RNA and Protein Quality Control and Their Roles in Cellular Senescence and Age-Related Diseases. Cells 2022; 11:cells11244062. [PMID: 36552825 PMCID: PMC9777292 DOI: 10.3390/cells11244062] [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: 11/10/2022] [Revised: 12/04/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Cellular senescence, a hallmark of aging, is defined as irreversible cell cycle arrest in response to various stimuli. It plays both beneficial and detrimental roles in cellular homeostasis and diseases. Quality control (QC) is important for the proper maintenance of cellular homeostasis. The QC machineries regulate the integrity of RNA and protein by repairing or degrading them, and are dysregulated during cellular senescence. QC dysfunction also contributes to multiple age-related diseases, including cancers and neurodegenerative, muscle, and cardiovascular diseases. In this review, we describe the characters of cellular senescence, discuss the major mechanisms of RNA and protein QC in cellular senescence and aging, and comprehensively describe the involvement of these QC machineries in age-related diseases. There are many open questions regarding RNA and protein QC in cellular senescence and aging. We believe that a better understanding of these topics could propel the development of new strategies for addressing age-related diseases.
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Affiliation(s)
- Donghee Kang
- Research Center for Controlling Intercellular Communication (RCIC), College of Medicine, Inha University, Incheon 22212, Republic of Korea
- Department of Molecular Medicine, College of Medicine, Inha University, Incheon 22212, Republic of Korea
| | - Yurim Baek
- Research Center for Controlling Intercellular Communication (RCIC), College of Medicine, Inha University, Incheon 22212, Republic of Korea
- Department of Molecular Medicine, College of Medicine, Inha University, Incheon 22212, Republic of Korea
- Program in Biomedical Science & Engineering, Inha University, Incheon 22212, Republic of Korea
| | - Jae-Seon Lee
- Research Center for Controlling Intercellular Communication (RCIC), College of Medicine, Inha University, Incheon 22212, Republic of Korea
- Department of Molecular Medicine, College of Medicine, Inha University, Incheon 22212, Republic of Korea
- Program in Biomedical Science & Engineering, Inha University, Incheon 22212, Republic of Korea
- Correspondence: ; Tel.: +82-32-860-9832; Fax: +82-32-885-8302
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13
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ARID1A loss induces polymorphonuclear myeloid-derived suppressor cell chemotaxis and promotes prostate cancer progression. Nat Commun 2022; 13:7281. [PMID: 36435834 PMCID: PMC9701216 DOI: 10.1038/s41467-022-34871-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 11/10/2022] [Indexed: 11/28/2022] Open
Abstract
Chronic inflammation and an immunosuppressive microenvironment promote prostate cancer (PCa) progression and diminish the response to immune checkpoint blockade (ICB) therapies. However, it remains unclear how and to what extent these two events are coordinated. Here, we show that ARID1A, a subunit of the SWI/SNF chromatin remodeling complex, functions downstream of inflammation-induced IKKβ activation to shape the immunosuppressive tumor microenvironment (TME). Prostate-specific deletion of Arid1a cooperates with Pten loss to accelerate prostate tumorigenesis. We identify polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs) as the major infiltrating immune cell type that causes immune evasion and reveal that neutralization of PMN-MDSCs restricts the progression of Arid1a-deficient tumors. Mechanistically, inflammatory cues activate IKKβ to phosphorylate ARID1A, leading to its degradation via β-TRCP. ARID1A downregulation in turn silences the enhancer of A20 deubiquitinase, a critical negative regulator of NF-κB signaling, and thereby unleashes CXCR2 ligand-mediated MDSC chemotaxis. Importantly, our results support the therapeutic strategy of anti-NF-κB antibody or targeting CXCR2 combined with ICB for advanced PCa. Together, our findings highlight that the IKKβ/ARID1A/NF-κB feedback axis integrates inflammation and immunosuppression to promote PCa progression.
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14
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Chang W, Luo Q, Wu X, Nan Y, Zhao P, Zhang L, Luo A, Jiao W, Zhu Q, Fu Y, Liu Z. OTUB2 exerts tumor-suppressive roles via STAT1-mediated CALML3 activation and increased phosphatidylserine synthesis. Cell Rep 2022; 41:111561. [DOI: 10.1016/j.celrep.2022.111561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/17/2022] [Accepted: 10/04/2022] [Indexed: 12/09/2022] Open
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15
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Xu X, Qi J, Yang J, Pan T, Han H, Yang M, Han Y. Up-Regulation of TRIM32 Associated With the Poor Prognosis of Acute Myeloid Leukemia by Integrated Bioinformatics Analysis With External Validation. Front Oncol 2022; 12:848395. [PMID: 35756612 PMCID: PMC9213666 DOI: 10.3389/fonc.2022.848395] [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: 01/04/2022] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
Background Acute myeloid leukemia (AML) is a malignant and molecularly heterogeneous disease. It is essential to clarify the molecular mechanisms of AML and develop targeted treatment strategies to improve patient prognosis. Methods AML mRNA expression data and survival status were extracted from TCGA and GEO databases (GSE37642, GSE76009, GSE16432, GSE12417, GSE71014). Weighted gene co-expression network analysis (WGCNA) and differential gene expression analysis were performed. Functional enrichment analysis and protein-protein interaction (PPI) network were used to screen out hub genes. In addition, we validated the expression levels of hub genes as well as the prognostic value and externally validated TRIM32 with clinical data from our center. AML cell lines transfected with TRIM32 shRNA were also established to detect the proliferation in vitro. Results A total of 2192 AML patients from TCGA and GEO datasets were included in this study and 20 differentially co-expressed genes were screened by WGCNA and differential gene expression analysis methods. These genes were mainly enriched in phospholipid metabolic processes (biological processes, BP), secretory granule membranes (cellular components, CC), and protein serine/threonine kinase activity (molecular functions, MF). In addition, the protein-protein interaction (PPI) network contains 15 nodes and 15 edges and 10 hub genes (TLE1, GLI2, HDAC9, MICALL2, DOCK1, PDPN, RAB27B, SIX3, TRIM32 and TBX1) were identified. The expression of 10 central genes, except TLE1, was associated with survival status in AML patients (p<0.05). High expression of TRIM32 was tightly associated with poor relapse-free survival (RFS) and overall survival (OS) in AML patients, which was verified in the bone marrow samples from our center. In vitro, knockdown of TRIM32 can inhibit the proliferation of AML cell lines. Conclusion TRIM32 was associated with the progression and prognosis of AML patients and could be a potential therapeutic target and biomarker for AML in the future.
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Affiliation(s)
- Xiaoyan Xu
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Jiaqian Qi
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Jingyi Yang
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Tingting Pan
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Haohao Han
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Meng Yang
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
| | - Yue Han
- National clinical research center for hematologic diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.,Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.,Department of Hematology, Key Laboratory of Thrombosis and Hemostasis of Ministry of Health, Suzhou, China.,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, China
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16
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Ubiquitin specific peptidase 11 as a novel therapeutic target for cancer management. Cell Death Dis 2022; 8:292. [PMID: 35715413 PMCID: PMC9205893 DOI: 10.1038/s41420-022-01083-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 11/25/2022]
Abstract
Ubiquitination is a critical biological process in post-translational modification of proteins and involves multiple signaling pathways in protein metabolism, apoptosis, DNA damage, cell-cycle progression, and cancer development. Deubiquitinase, a specific enzyme that regulates the ubiquitination process, is also thought to be closely associated with the development and progression of various cancers. In this article, we systematically review the emerging role of the deubiquitinase ubiquitin-specific peptidase 11 (USP11) in many cancer-related pathways. The results show that USP11 promotes or inhibits the progression and chemoresistance of different cancers, including colorectal, breast, ovarian, and hepatocellular carcinomas, via deubiquitinating several critical proteins of cancer-related pathways. We initially summarize the role of USP11 in different cancers and further discuss the possibility of USP11 as a therapeutic strategy.
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17
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Hao Q, Wang Z, Wang L, Han M, Zhang M, Gao X. Isoleucine stimulates mTOR and SREBP-1c gene expression for milk synthesis in mammary epithelial cells through BRG1-mediated chromatin remodelling. Br J Nutr 2022; 129:1-11. [PMID: 35593529 DOI: 10.1017/s0007114522001544] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Several amino acids can stimulate milk synthesis in mammary epithelial cells (MEC); however, the regulatory role of isoleucine (Ile) and underlying molecular mechanism remain poorly understood. In this study, we aimed to evaluate the regulatory effects of Ile on milk protein and fat synthesis in MEC and reveal the mediation mechanism of Brahma-related gene 1 (BRG1) on this regulation. Ile dose dependently affected milk protein and fat synthesis, mechanistic target of rapamycin (mTOR) phosphorylation, sterol regulatory element binding protein 1c (SREBP-1c) expression and maturation, and BRG1 protein expression in bovine MEC. Phosphatidylinositol 3 kinase (PI3K) inhibition by LY294002 treatment blocked the stimulation of Ile on BRG1 expression. BRG1 knockdown and gene activation experiments showed that it mediated the stimulation of Ile on milk protein and fat synthesis, mTOR phosphorylation, and SREBP-1c expression and maturation in MEC. ChIP-PCR analysis detected that BRG1 bound to the promoters of mTOR and SREBP-1c, and ChIP-qPCR further detected that these bindings were increased by Ile stimulation. In addition, BRG1 positively regulated the binding of H3K27ac to these two promoters, while it negatively affected the binding of H3K27me3 to these promoters. BRG1 knockdown blocked the stimulation of Ile on these two gene expressions. The expression of BRG1 was higher in mouse mammary gland in the lactating period, compared with that in the puberty or dry period. Taken together, these experimental data reveal that Ile stimulates milk protein and fat synthesis in MEC via the PI3K-BRG1-mTOR/SREBP-1c pathway.
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Affiliation(s)
- Qi Hao
- College of Animal Science, Yangtze University, Jingzhou434023, People's Republic of China
| | - Zhe Wang
- College of Animal Science, Yangtze University, Jingzhou434023, People's Republic of China
- College of Life Science, Northeast Agricultural University, Harbin150030, People's Republic of China
| | - Lulu Wang
- College of Animal Science, Yangtze University, Jingzhou434023, People's Republic of China
| | - Meihong Han
- College of Animal Science, Yangtze University, Jingzhou434023, People's Republic of China
| | - Minghui Zhang
- College of Animal Science, Yangtze University, Jingzhou434023, People's Republic of China
- College of Life Science, Northeast Agricultural University, Harbin150030, People's Republic of China
| | - Xuejun Gao
- College of Animal Science, Yangtze University, Jingzhou434023, People's Republic of China
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18
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Liang M, Wang L, Sun Z, Chen X, Wang H, Qin L, Zhao W, Geng B. E3 ligase TRIM15 facilitates non-small cell lung cancer progression through mediating Keap1-Nrf2 signaling pathway. Cell Commun Signal 2022; 20:62. [PMID: 35534896 PMCID: PMC9082862 DOI: 10.1186/s12964-022-00875-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 04/07/2022] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Recent studies have indicated that some members of the tripartite motif (TRIM) proteins function as important regulators for non-small cell lung cancer (NSCLC), However, the regulatory mechanism underpinning aberrant expression of TRIM in NSCLC remains unclear. Here we report that TRIM15 plays important roles in NSCLC progression through modulating Keap1-Nrf2 signaling pathway. METHODS TRIM15 expression was evaluated by western blot analysis, tissue microarray-based immunohistochemistry analysis. The interactions between TRIM15 and Keap1 were analyzed by co-immunoprecipitation (Co-IP) and immunofluorescence co-localization assay. The correlation between TRIM15 and Keap1 was measured by Co-IP and ubiquitination analysis in vitro. Gain- and lost-of-function experiments were used to detect TRIM15 promotes proliferation and invasion of NSCLC cells both in vitro and vivo. RESULTS Here, we revealed that TRIM15 was frequently upregulated in NSCLC samples and associated with poor prognosis. Functionally, TRIM15 knockdown resulted in decreased cancer cell proliferation and metastasis, whereas ectopic TRIM15 expression facilitated tumor cancer cell proliferation and metastasis in vitro and in vivo. Moreover, TRIM15 promoted cell proliferation and metastasis depends on its E3 ubiquitin ligase. Mechanistically, TRIM15 directly targeted Keap1 by ubiquitination and degradation, the principal regulator of Nrf2 degradation, leading to Nrf2 escaping from Keap1-mediated degradation, subsequently promoting antioxidant response and tumor progression. CONCLUSIONS Therefore, our study characterizes the pivotal roles of TRIM15 promotes NSCLC progression via Nrf2 stability mediated by promoting Keap1 ubiquitination and degradation and could be a valuable prognostic biomarker and a potential therapeutic target in NSCLC. Video Abstract.
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Affiliation(s)
- Manman Liang
- Department of Internal Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, Wuhu, 241000, Anhui, China
| | - Lijing Wang
- Department of Respiratory Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, 2 Zheshan West Road, Wuhu, 241000, Anhui, China
| | - Zhengui Sun
- Department of Respiratory Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, 2 Zheshan West Road, Wuhu, 241000, Anhui, China
| | - Xingwu Chen
- Department of Respiratory Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, 2 Zheshan West Road, Wuhu, 241000, Anhui, China
| | - Hanli Wang
- Department of Respiratory Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, 2 Zheshan West Road, Wuhu, 241000, Anhui, China
| | - Lilong Qin
- Department of Respiratory Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, 2 Zheshan West Road, Wuhu, 241000, Anhui, China
| | - Wenying Zhao
- Department of Medical Oncology, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, Wuhu, 241000, Anhui, China
| | - Biao Geng
- Department of Respiratory Medicine, Yijishan Hospital, The First Affiliated Hospital of Wannan Medical College, 2 Zheshan West Road, Wuhu, 241000, Anhui, China.
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19
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The Dual Role of USP11 in Cancer. JOURNAL OF ONCOLOGY 2022; 2022:9963905. [PMID: 35359344 PMCID: PMC8964208 DOI: 10.1155/2022/9963905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 02/19/2022] [Accepted: 03/08/2022] [Indexed: 11/18/2022]
Abstract
Ubiquitination is one of the most crucial ways of protein degradation and plays an indispensable role in various living activities of cells. The deubiquitinating enzyme (DUB) is the main practitioner of the reversal of ubiquitination. Up till the present moment, nearly 100 DUBs from six families have been confirmed. USP11 is a member of the largest subfamily of cysteine protease DUBs, involving in the regulation of cell cycle, DNA repair, regulating signaling pathways, tumor development, and other important biological behaviors. This review briefly describes the structure and function of USP11 and comprehensively describes its dual role in tumorigenesis and development, as well as its targeted therapy.
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20
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Osakunor DNM, Ishida K, Lamanna OK, Rossi M, Dwomoh L, Hsieh MH. Host tissue proteomics reveal insights into the molecular basis of Schistosoma haematobium-induced bladder pathology. PLoS Negl Trop Dis 2022; 16:e0010176. [PMID: 35167594 PMCID: PMC8846513 DOI: 10.1371/journal.pntd.0010176] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/17/2022] [Indexed: 12/25/2022] Open
Abstract
Urogenital schistosomiasis remains a major public health concern worldwide. In response to egg deposition, the host bladder undergoes gross and molecular morphological changes relevant for disease manifestation. However, limited mechanistic studies to date imply that the molecular mechanisms underlying pathology are not well-defined. We leveraged a mouse model of urogenital schistosomiasis to perform for the first time, proteome profiling of the early molecular events that occur in the bladder after exposure to S. haematobium eggs, and to elucidate the protein pathways involved in urogenital schistosomiasis-induced pathology. Purified S. haematobium eggs or control vehicle were microinjected into the bladder walls of mice. Mice were sacrificed seven days post-injection and bladder proteins isolated and processed for proteome profiling using mass spectrometry. We demonstrate that biological processes including carcinogenesis, immune and inflammatory responses, increased protein translation or turnover, oxidative stress responses, reduced cell adhesion and epithelial barrier integrity, and increased glucose metabolism were significantly enriched in S. haematobium infection. S. haematobium egg deposition in the bladder results in significant changes in proteins and pathways that play a role in pathology. Our findings highlight the potential bladder protein indicators for host-parasite interplay and provide new insights into the complex dynamics of pathology and characteristic bladder tissue changes in urogenital schistosomiasis. The findings will be relevant for development of improved interventions for disease control.
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Affiliation(s)
- Derick N. M. Osakunor
- Division of Urology, Department of Surgery, Sheikh Zayed Institute for Pediatric Surgical Innovation, Children’s National Hospital, Washington, District of Columbia, United States of America
| | - Kenji Ishida
- Division of Urology, Department of Surgery, Sheikh Zayed Institute for Pediatric Surgical Innovation, Children’s National Hospital, Washington, District of Columbia, United States of America
| | - Olivia K. Lamanna
- Division of Urology, Department of Surgery, Sheikh Zayed Institute for Pediatric Surgical Innovation, Children’s National Hospital, Washington, District of Columbia, United States of America
| | - Mario Rossi
- Institute of Molecular, Cell and Systems Biology, University of Glasgow, Glasgow, Scotland, United Kingdom
| | - Louis Dwomoh
- Institute of Molecular, Cell and Systems Biology, University of Glasgow, Glasgow, Scotland, United Kingdom
| | - Michael H. Hsieh
- Division of Urology, Department of Surgery, Sheikh Zayed Institute for Pediatric Surgical Innovation, Children’s National Hospital, Washington, District of Columbia, United States of America
- Departments of Urology, Department of Pediatrics, and Department of Microbiology, Immunology, and Tropical Medicine, School of Medicine and Health Sciences, The George Washington University, Washington, District of Columbia, United States of America
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21
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Zhang B, Yan YY, Gu YQ, Teng F, Lin X, Zhou XL, Che JX, Dong XW, Zhou LX, Lin NM. Inhibition of TRIM32 by ibr-7 treatment sensitizes pancreatic cancer cells to gemcitabine via mTOR/p70S6K pathway. J Cell Mol Med 2021; 26:515-526. [PMID: 34921503 PMCID: PMC8743670 DOI: 10.1111/jcmm.17109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 02/07/2023] Open
Abstract
Pancreatic cancer is one of the most notorious diseases for being asymptomatic at early stage and high mortality rate thereafter. However, either chemotherapy or targeted therapy has rarely achieved success in recent clinical trials for pancreatic cancer. Novel therapeutic regimens or agents are urgently in need. Ibr‐7 is a novel derivative of ibrutinib, displaying superior antitumour activity in pancreatic cancer cells than ibrutinib. In vitro studies showed that ibr‐7 greatly inhibited the proliferation of BxPC‐3, SW1990, CFPAC‐1 and AsPC‐1 cells via the induction of mitochondrial‐mediated apoptosis and substantial suppression of mTOR/p70S6K pathway. Moreover, ibr‐7 was able to sensitize pancreatic cancer cells to gemcitabine through the efficient repression of TRIM32, which was positively correlated with the proliferation and invasiveness of pancreatic cancer cells. Additionally, knockdown of TRIM32 diminished mTOR/p70S6K activity in pancreatic cancer cells, indicating a positive feedback loop between TRIM32 and mTOR/p70S6K pathway. To conclude, this work preliminarily explored the role of TRIM32 in the malignant properties of pancreatic cancer cells and evaluated the possibility of targeting TRIM32 to enhance effectiveness of gemcitabine, thereby providing a novel therapeutic target for pancreatic cancer.
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Affiliation(s)
- Bo Zhang
- College of Pharmaceutical Sciences, Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - You-You Yan
- College of Pharmaceutical Sciences, Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yang-Qin Gu
- College of Pharmaceutical Sciences, Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Fei Teng
- College of Pharmaceutical Sciences, Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xu Lin
- Department of Thoracic Surgery, School of Medicine, The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Xing-Lu Zhou
- Hangzhou Hezheng Pharmaceutical Co. Ltd, Hangzhou, Zhejiang, China
| | - Jin-Xin Che
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.,Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
| | - Xiao-Wu Dong
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.,Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
| | - Li-Xin Zhou
- Department of Hepatopancreatobiliary Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Neng-Ming Lin
- College of Pharmaceutical Sciences, Hangzhou First People's Hospital, Zhejiang Chinese Medical University, Hangzhou, China.,Department of Clinical Pharmacology, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Cancer Center, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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22
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Methionine and leucine induce ARID1A degradation to promote mTOR expression and milk synthesis in mammary epithelial cells. J Nutr Biochem 2021; 101:108924. [PMID: 34843932 DOI: 10.1016/j.jnutbio.2021.108924] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 09/26/2021] [Accepted: 11/12/2021] [Indexed: 12/13/2022]
Abstract
Amino acids can activate mTOR to promote milk synthesis in mammary epithelial cells (MECs), but the underlying molecular mechanism is still largely unknown. The objective is to investigate the regulatory mechanism of amino acids (Met and Leu) in stimulating mRNA expression of mTOR in MECs. We found that the protein abundance of AT-rich interaction domain 1A (ARID1A) was poorly expressed in mouse mammary gland tissues of lactating period. ARID1A knockdown and gene activation experiments detected whether ARID1A negatively regulated milk protein and fat synthesis in bovine MECs, cell proliferation and the expression and activation of mTOR. ChIP-PCR detected that ARID1A, H3K27ac, H3K27me3 and H3K4me3 all bound to the mTOR promoter at -548∼-793 nt. Knockdown or gene activation of ARID1A enhanced or weakened the binding of H3K27ac on the mTOR promoter, respectively. The stimulation of Met and Leu on mTOR expression and phosphorylation were eliminated by ARID1A gene activation. Furthermore, Met and Leu decreased the protein level of ARID1A through ubiquitination and proteasomal degradation. TRIM21 bound to ARID1A, and TRIM21 knockdown blocked the stimulation of Met and Leu on ARID1A degradation. In summary, these data reveal that ARID1A blocks Met and Leu signaling to mTOR gene transcription through inhibiting H3K27ac deposition on its promoter, and Met and Leu decrease ARID1A protein level through TRIM21-mediated ubiquitination and proteasomal degradation. Our findings uncover that Met and Leu promote mTOR expression for milk synthesis through the TRIM21-ARID1A signaling pathway, providing a novel theoretical basis for the application of amino acids in milk production.
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Abstract
Reduced protein expression of the BAF complex (also known as SWI/SNF) tumor suppressor SMARCB1 is frequently observed in human synovial sarcoma, a soft-tissue malignancy driven by the oncogenic SS18-SSX fusion, which competes with wild-type SS18 for BAF complex incorporation. In this issue of Cancer Discovery, Li and Mulvihill reveal that low-expressed SMARCB1 has a functional role in synovial sarcomagenesis in mouse models expressing the SS18-SSX2 fusion and present evidence that SMARCB1 reduction in synovial sarcoma is due to wholesale degradation of canonical BAF complexes.See related article by Li et al., p. 2620.
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Affiliation(s)
- Matthew B Maxwell
- Biological Sciences Graduate Program, University of California, San Diego, La Jolla, California.,Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California
| | - Diana C Hargreaves
- Molecular and Cell Biology Laboratory, Salk Institute for Biological Studies, La Jolla, California.
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24
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Li X, Yuan J, Song C, Lei Y, Xu J, Zhang G, Wang W, Song G. Deubiquitinase USP39 and E3 ligase TRIM26 balance the level of ZEB1 ubiquitination and thereby determine the progression of hepatocellular carcinoma. Cell Death Differ 2021; 28:2315-2332. [PMID: 33649471 PMCID: PMC8329202 DOI: 10.1038/s41418-021-00754-7] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 02/04/2021] [Accepted: 02/09/2021] [Indexed: 01/31/2023] Open
Abstract
Emerging evidence suggests that USP39 plays an important role in the development of hepatocellular carcinoma (HCC). However, the molecular mechanism by which USP39 promotes HCC progression has not been well defined, especially regarding its putative ubiquitination function. Zinc-finger E-box-binding homeobox 1 (ZEB1) is a crucial inducer of epithelial-to-mesenchymal transition (EMT) to promote tumor proliferation and metastasis, but the regulatory mechanism of ZEB1 stability in HCC remains enigmatic. Here, we reveal that USP39 is highly expressed in human HCC tissues and correlated with poor prognosis. Moreover, USP39 depletion inhibits HCC cell proliferation and metastasis by promoting ZEB1 degradation. Intriguingly, deubiquitinase USP39 has a direct interaction with the E3 ligase TRIM26 identified by co-immunoprecipitation assays and immunofluorescence staining assays. We further demonstrate that TRIM26 is lowly expressed in human HCC tissues and inhibits HCC cell proliferation and migration. TRIM26 promotes the degradation of ZEB1 protein by ubiquitination in HCC. Deubiquitinase USP39 and E3 ligase TRIM26 function in an antagonistic pattern, but not a competitive pattern, and play key roles in controlling ZEB1 stability to determine the HCC progression. In summary, our data reveal a previously unknown mechanism that USP39 and TRIM26 balance the level of ZEB1 ubiquitination and thereby determine HCC cell proliferation and migration. This novel mechanism may provide new approaches to target treatment for inhibiting HCC development by restoring TRIM26 or suppressing USP39 expression in HCC cases with high ZEB1 protein levels.
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Affiliation(s)
- Xiaomei Li
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Jiahui Yuan
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Conghua Song
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Yongbin Lei
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Jiajia Xu
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Gongye Zhang
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Weiwei Wang
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Gang Song
- grid.12955.3a0000 0001 2264 7233Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
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25
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Odnokoz O, Wavelet-Vermuse C, Hophan SL, Bulun S, Wan Y. ARID1 proteins: from transcriptional and post-translational regulation to carcinogenesis and potential therapeutics. Epigenomics 2021; 13:809-823. [PMID: 33890484 PMCID: PMC8738980 DOI: 10.2217/epi-2020-0414] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The ARID1 proteins are mutually exclusive subunits of the BRG1/BRM-associated factor (BAF) complexes that play an important role in chromatin remodeling and regulate many fundamental cell functions. The role of ARID1s is well defined as a tumor-suppressive. The cancer cells evolve different mechanisms to downregulate ARID1s and inactivate their functions. ARID1s are frequently mutated in human cancer. The recent findings of ARID1A/B downregulation at transcriptional and translational levels along with their low levels in human cancers indicate the significance of regulatory mechanisms of ARID1s in cancers. In this review, we present the current knowledge on the regulation and alterations of ARID1 protein expression in human cancers and indicate the importance of regulators of ARID1s as a prognostic marker and in potential therapeutic strategies.
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Affiliation(s)
- Olena Odnokoz
- Department of Obstetrics & Gynecology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Department of Pharmacology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Cindy Wavelet-Vermuse
- Department of Obstetrics & Gynecology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Department of Pharmacology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Shelby L Hophan
- Department of Obstetrics & Gynecology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Department of Pharmacology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Serdar Bulun
- Department of Obstetrics & Gynecology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Yong Wan
- Department of Obstetrics & Gynecology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Department of Pharmacology & Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA,Author for correspondence: Tel.: +1 312 503 2769;
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26
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Zhao G, Liu C, Wen X, Luan G, Xie L, Guo X. The translational values of TRIM family in pan-cancers: From functions and mechanisms to clinics. Pharmacol Ther 2021; 227:107881. [PMID: 33930453 DOI: 10.1016/j.pharmthera.2021.107881] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 02/08/2023]
Abstract
Cancer is the second leading cause of human death across the world. Tripartite motif (TRIM) family, with E3 ubiquitin ligase activities in majority of its members, is reported to be involved in multiple cellular processes and signaling pathways. TRIM proteins have critical effects in the regulation of biological behaviors of cancer cells. Here, we discussed the current understanding of the molecular mechanism of TRIM proteins regulation of cancer cells. We also comprehensively reviewed published studies on TRIM family members as oncogenes or tumor suppressors in the oncogenesis, development, and progression of a variety of types of human cancers. Finally, we highlighted that certain TRIM family members are potential molecular biomarkers for cancer diagnosis and prognosis, and potential therapeutic targets.
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Affiliation(s)
- Guo Zhao
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Chuan Liu
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Xin Wen
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China
| | - Gan Luan
- Department of Mathematical Sciences, New Jersey Institute of Technology, Newark, NJ 07102, USA
| | - Longxiang Xie
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China.
| | - Xiangqian Guo
- Department of Preventive Medicine, Institute of Biomedical Informatics, Bioinformatics Center, Henan Provincial Engineering Center for Tumor Molecular Medicine, School of Basic Medical Sciences, Henan University, Kaifeng 475004, China.
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27
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Bawa S, Piccirillo R, Geisbrecht ER. TRIM32: A Multifunctional Protein Involved in Muscle Homeostasis, Glucose Metabolism, and Tumorigenesis. Biomolecules 2021; 11:biom11030408. [PMID: 33802079 PMCID: PMC7999776 DOI: 10.3390/biom11030408] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/05/2021] [Accepted: 03/06/2021] [Indexed: 12/13/2022] Open
Abstract
Human tripartite motif family of proteins 32 (TRIM32) is a ubiquitous multifunctional protein that has demonstrated roles in differentiation, muscle physiology and regeneration, and tumor suppression. Mutations in TRIM32 result in two clinically diverse diseases. A mutation in the B-box domain gives rise to Bardet–Biedl syndrome (BBS), a disease whose clinical presentation shares no muscle pathology, while mutations in the NHL (NCL-1, HT2A, LIN-41) repeats of TRIM32 causes limb-girdle muscular dystrophy type 2H (LGMD2H). TRIM32 also functions as a tumor suppressor, but paradoxically is overexpressed in certain types of cancer. Recent evidence supports a role for TRIM32 in glycolytic-mediated cell growth, thus providing a possible mechanism for TRIM32 in the accumulation of cellular biomass during regeneration and tumorigenesis, including in vitro and in vivo approaches, to understand the broad spectrum of TRIM32 functions. A special emphasis is placed on the utility of the Drosophila model, a unique system to study glycolysis and anabolic pathways that contribute to the growth and homeostasis of both normal and tumor tissues.
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Affiliation(s)
- Simranjot Bawa
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA;
| | - Rosanna Piccirillo
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy;
| | - Erika R. Geisbrecht
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA;
- Correspondence: ; Tel.: +1-(785)-532-3105
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28
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Cai Y, Gu WT, Cheng K, Jia PF, Li F, Wang M, Zhang WF, Qiu JT, Wu ZB, Zhao WG. Knockdown of TRIM32 inhibits tumor growth and increases the therapeutic sensitivity to temozolomide in glioma in a p53-dependent and -independent manner. Biochem Biophys Res Commun 2021; 550:134-141. [PMID: 33691199 DOI: 10.1016/j.bbrc.2021.02.098] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 02/20/2021] [Indexed: 12/25/2022]
Abstract
Tripartite motif protein 32 (TRIM32), an E3 ubiquitin ligase, has been reported to participate in many human cancers. However, the underlying role of TRIM32 in glioma remains largely unknown. Here, we aimed to explore the function of TRIM32 in glioma cells and the clinical implications and found that TRIM32 was upregulated in glioma tissues. Consistently, overexpression of TRIM32 promoted glioma U87 and U251 cell proliferation and conferred cell resistance to temozolomide (TMZ). Conversely, knockdown of TRIM32 inhibited glioma cells proliferation in vitro and in vivo and sensitized glioma cells to the treatment of TMZ in a p53-dependent and -independent manner. Mechanistically, knockdown of TRIM32 induced apoptosis of U87 an U251 cells. In addition, TRIM32 interacted with the antiapoptotic proteins BCL-xL and BCL-w, which antagonized the inhibitory effect of TRIM32 knockdown in U87 cells. Together, our study uncovered the role of TRIM32 in glioma and TRIM32 may be a potential therapeutic target for gliomas.
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Affiliation(s)
- Yu Cai
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wei Ting Gu
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Kang Cheng
- Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Pei Feng Jia
- Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Feng Li
- Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ming Wang
- Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wei Feng Zhang
- Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ji Ting Qiu
- Department of Neurosurgery, Ruijin Hospital North, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Zhe Bao Wu
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wei Guo Zhao
- Department of Neurosurgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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29
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Perry M, Biegert M, Kollala SS, Mallard H, Su G, Kodavati M, Kreiling N, Holbrook A, Ghosal G. USP11 mediates repair of DNA-protein cross-links by deubiquitinating SPRTN metalloprotease. J Biol Chem 2021; 296:100396. [PMID: 33567341 PMCID: PMC7960550 DOI: 10.1016/j.jbc.2021.100396] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
DNA-protein cross-links (DPCs) are toxic DNA lesions that interfere with DNA metabolic processes such as replication, transcription, and recombination. USP11 deubiquitinase participates in DNA repair, but the role of USP11 in DPC repair is not known. SPRTN is a replication-coupled DNA-dependent metalloprotease that cleaves proteins cross-linked to DNA to promote DPC repair. SPRTN function is tightly regulated by a monoubiquitin switch that controls SPRTN auto-proteolysis and chromatin accessibility during DPC repair. Previously, VCPIP1 and USP7 deubiquitinases have been shown to regulate SPRTN. Here, we identify USP11 as an SPRTN deubiquitinase. USP11 interacts with SPRTN and cleaves monoubiquitinated SPRTN in cells and in vitro. USP11 depletion impairs SPRTN deubiquitination and promotes SPRTN auto-proteolysis in response to formaldehyde-induced DPCs. Loss of USP11 causes an accumulation of unrepaired DPCs and cellular hypersensitivity to treatment with DPC-inducing agents. Our findings show that USP11 regulates SPRTN auto-proteolysis and SPRTN-mediated DPC repair to maintain genome stability.
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Affiliation(s)
- Megan Perry
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Meghan Biegert
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Sai Sundeep Kollala
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Halle Mallard
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Grace Su
- Department of Biology, Doane University, Crete, Nebraska, USA
| | - Manohar Kodavati
- Department of Radiation Oncology, Houston Methodist Research Institute, Houston, Texas, USA
| | - Natasha Kreiling
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Alexander Holbrook
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Gargi Ghosal
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, Nebraska, USA; Fred and Pamela Buffett Cancer Center, Omaha Nebraska, USA.
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30
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Feng P, Li L, Dai J, Zhou L, Liu J, Zhao J, Li X, Ling N, Qiu S, Zhang L, Xie T, Chen Y, Donovan MJ, Peng T, Song J, Ye M. The regulation of NONO by USP11 via deubiquitination is linked to the proliferation of melanoma cells. J Cell Mol Med 2020; 25:1507-1517. [PMID: 33369124 PMCID: PMC7875907 DOI: 10.1111/jcmm.16243] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/12/2020] [Accepted: 12/14/2020] [Indexed: 12/16/2022] Open
Abstract
Ubiquitin‐specific protease 11 (USP11) has been implicated in the regulation of DNA repair, apoptosis, signal transduction and cell cycle. It belongs to a USP subfamily of deubiquitinases. Although previous research has shown that USP11 overexpression is frequently found in melanoma and is correlated with a poor prognosis, the potential molecular mechanism of USP11 in melanoma remains indefinitive. Here, we report that USP11 and NONO colocalize and interact with each other in the nucleus of melanoma cells. As a result, the knockdown of USP11 decreases NONO levels. Whereas, overexpression of USP11 increases NONO levels in a dose‐dependent manner. Furthermore, we reveal that USP11 protects NONO protein from proteasome‐mediated degradation by removing poly‐ubiquitin chains conjugated onto NONO. Functionally, USP11 mediated melanoma cell proliferation via the regulation of NONO levels because ablation of USP11 inhibits the proliferation which could be rescued by ectopic expression of NONO protein. Moreover, a significant positive correlation between USP11 and NONO concentrations was found in clinical melanoma samples. Collectively, these results demonstrate that USP11 is a new deubiquitinase of NONO and that the signalling axis of USP11‐NONO is significantly involved in melanoma proliferation.
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Affiliation(s)
- Peifu Feng
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Ling Li
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Jing Dai
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Lingli Zhou
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Jing Liu
- Molecular Biology Research Center & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, China
| | - Jinfeng Zhao
- Key Laboratory of Nanobiological Technology of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaodong Li
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Neng Ling
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Siyuan Qiu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Lin Zhang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Tiantian Xie
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Yinglei Chen
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Michael J Donovan
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Tianhuan Peng
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
| | - Jianhui Song
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
| | - Mao Ye
- Molecular Science and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha, China
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31
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Remodeling of the ARID1A tumor suppressor. Cancer Lett 2020; 491:1-10. [PMID: 32738271 DOI: 10.1016/j.canlet.2020.07.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 07/06/2020] [Accepted: 07/22/2020] [Indexed: 12/26/2022]
Abstract
In recent years, AT-rich interactive domain-containing protein 1A (ARID1A) has been widely accepted as a bona fide tumor suppressor due to its essential role in preventing tumorigenesis and tumor progression in both mouse and human contexts. ARID1A shows high mutation frequencies in both cancers and preneoplastic lesions. The loss of ARID1A expression in cancer cells leads to increases in cell proliferation, invasion and migration and reductions in cell apoptosis and chemosensitivity. The tumor-suppressive role of ARID1A is mainly attributed to its regulation of gene transcription, which can be induced either directly by chromatin remodeling or indirectly by affecting histone modifications. ARID1A also acts independently of its cardinal transcription-regulating mechanisms, which include interfering with protein-protein interactions. Interestingly, nonmutational mechanisms, such as regulation by DNA hypermethylation, microRNAs, and ubiquitinases/deubiquitinases, have provided another perspective on ARID1A inactivation in cancer. Since the critical tumor-suppressive role of ARID1A has been revealed, several studies have attempted to identify synthetic lethal targets with ARID1A mutation/inactivation as an alternative strategy for cancer treatment.
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32
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Gatti V, Bernassola F, Talora C, Melino G, Peschiaroli A. The Impact of the Ubiquitin System in the Pathogenesis of Squamous Cell Carcinomas. Cancers (Basel) 2020; 12:cancers12061595. [PMID: 32560247 PMCID: PMC7352818 DOI: 10.3390/cancers12061595] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/11/2020] [Accepted: 06/13/2020] [Indexed: 02/07/2023] Open
Abstract
The ubiquitin system is a dynamic regulatory pathway controlling the activity, subcellular localization and stability of a myriad of cellular proteins, which in turn affects cellular homeostasis through the regulation of a variety of signaling cascades. Aberrant activity of key components of the ubiquitin system has been functionally linked with numerous human diseases including the initiation and progression of human tumors. In this review, we will contextualize the importance of the two main components of the ubiquitin system, the E3 ubiquitin ligases (E3s) and deubiquitinating enzymes (DUBs), in the etiology of squamous cell carcinomas (SCCs). We will discuss the signaling pathways regulated by these enzymes, emphasizing the genetic and molecular determinants underlying their deregulation in SCCs.
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Affiliation(s)
- Veronica Gatti
- National Research Council of Italy, Institute of Translational Pharmacology, 00133 Rome, Italy;
| | - Francesca Bernassola
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy; (F.B.); (G.M.)
| | - Claudio Talora
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy;
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, 00133 Rome, Italy; (F.B.); (G.M.)
| | - Angelo Peschiaroli
- National Research Council of Italy, Institute of Translational Pharmacology, 00133 Rome, Italy;
- Correspondence:
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