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Prabhu KS, Jessy S, Kuttikrishnan S, Mujeeb F, Mariyam Z, Habeeba U, Ahmad N, Bhat AA, Uddin S. Anticancer Potential and Molecular Targets of Pristimerin in Human Malignancies. Pharmaceuticals (Basel) 2024; 17:578. [PMID: 38794148 PMCID: PMC11123949 DOI: 10.3390/ph17050578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/26/2024] Open
Abstract
The growing global burden of malignant tumors with increasing incidence and mortality rates underscores the urgent need for more effective and less toxic therapeutic options. Herbal compounds are being increasingly studied for their potential to meet these needs due to their reduced side effects and significant efficacy. Pristimerin (PS), a triterpenoid from the quinone formamide class derived from the Celastraceae and Hippocrateaceae families, has emerged as a potent anticancer agent. It exhibits broad-spectrum anti-tumor activity across various cancers such as breast, pancreatic, prostate, glioblastoma, colorectal, cervical, and lung cancers. PS modulates several key cellular processes, including apoptosis, autophagy, cell migration and invasion, angiogenesis, and resistance to chemotherapy, targeting crucial signaling pathways such as those involving NF-κB, p53, and STAT3, among others. The main objective of this review is to provide a comprehensive synthesis of the current literature on PS, emphasizing its mechanisms of action and molecular targets with the utmost clarity. It discusses the comparative advantages of PS over current cancer therapies and explores the implications for future research and clinical applications. By delineating the specific pathways and targets affected by PS, this review seeks to offer valuable insights and directions for future research in this field. The information gathered in this review could pave the way for the successful development of PS into a clinically applicable anticancer therapy.
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Affiliation(s)
- Kirti S. Prabhu
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
| | - Serah Jessy
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
| | - Shilpa Kuttikrishnan
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
| | - Farina Mujeeb
- Department of Biosciences, Integral University, Lucknow 226026, Uttar Pradesh, India;
| | - Zahwa Mariyam
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
| | - Ummu Habeeba
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
| | - Nuha Ahmad
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
| | - Ajaz A. Bhat
- Department of Human Genetics-Precision Medicine in Diabetes, Obesity, and Cancer Program, Sidra Medicine, Doha 26999, Qatar;
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar; (S.J.); (S.K.); (Z.M.); (U.H.); (N.A.)
- Department of Biosciences, Integral University, Lucknow 226026, Uttar Pradesh, India;
- Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha 3050, Qatar
- Laboratory of Animal Research Center, Qatar University, Doha 2713, Qatar
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Cui Z, Cong M, Yin S, Li Y, Ye Y, Liu X, Tang J. Role of protein degradation systems in colorectal cancer. Cell Death Discov 2024; 10:141. [PMID: 38485957 PMCID: PMC10940631 DOI: 10.1038/s41420-023-01781-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 03/18/2024] Open
Abstract
Protein degradation is essential for maintaining protein homeostasis. The ubiquitin‒proteasome system (UPS) and autophagy-lysosome system are the two primary pathways responsible for protein degradation and directly related to cell survival. In malignant tumors, the UPS plays a critical role in managing the excessive protein load caused by cancer cells hyperproliferation. In this review, we provide a comprehensive overview of the dual roles played by the UPS and autolysosome system in colorectal cancer (CRC), elucidating their impact on the initiation and progression of this disease while also highlighting their compensatory relationship. Simultaneously targeting both protein degradation pathways offers new promise for enhancing treatment efficacy against CRC. Additionally, apoptosis is closely linked to ubiquitination and autophagy, and caspases degrade proteins. A thorough comprehension of the interplay between various protein degradation pathways is highly important for clarifying the mechanism underlying the onset and progression of CRC.
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Affiliation(s)
- Zihan Cui
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Mingqi Cong
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Shengjie Yin
- Department of Oncology, Chifeng City Hospital, Chifeng, 024000, China
| | - Yuqi Li
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Yuguang Ye
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, 150081, China.
| | - Xi Liu
- Cardiovascular Center, Inner Mongolia People's Hospital, Hohhot, Inner Mongolia, 010017, China.
| | - Jing Tang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China.
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Xie G, Lei B, Yin Z, Xu F, Liu X. Circ MTA2 Drives Gastric Cancer Progression through Suppressing MTA2 Degradation via Interacting with UCHL3. Int J Mol Sci 2024; 25:2817. [PMID: 38474064 DOI: 10.3390/ijms25052817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/31/2024] [Accepted: 02/10/2024] [Indexed: 03/14/2024] Open
Abstract
Our previous study has reported that metastasis-associated protein 2 (MTA2) plays essential roles in tumorigenesis and aggressiveness of gastric cancer (GC). However, the underlying molecular mechanisms of MTA2-mediated GC and its upstream regulation mechanism remain elusive. In this study, we identified a novel circular RNA (circRNA) generated from the MTA2 gene (circMTA2) as a crucial regulator in GC progression. CircMTA2 was highly expressed in GC tissues and cell lines, and circMTA2 promoted the proliferation, invasion, and metastasis of GC cells both in vitro and in vivo. Mechanistically, circMTA2 interacted with ubiquitin carboxyl-terminal hydrolase L3 (UCHL3) to restrain MTA2 ubiquitination and stabilize MTA2 protein expression, thereby facilitating tumor progression. Moreover, circMTA2 was mainly encapsulated and transported by exosomes to promote GC cell progression. Taken together, these findings uncover that circMTA2 suppresses MTA2 degradation by interacting with UCHL3, thereby promoting GC progression. In conclusion, we identified a cancer-promoting axis (circMTA2/UCHL3/MTA2) in GC progression, which paves the way for us to design and synthesize targeted inhibitors as well as combination therapies.
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Affiliation(s)
- Gengchen Xie
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Bo Lei
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhijie Yin
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Fei Xu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xinghua Liu
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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4
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Ren Y, Yang J, Ding Z, Zheng M, Qiu L, Tang A, Huang D. NFE2L3 drives hepatocellular carcinoma cell proliferation by regulating the proteasome-dependent degradation of ISGylated p53. Cancer Sci 2023; 114:3523-3536. [PMID: 37350063 PMCID: PMC10475773 DOI: 10.1111/cas.15887] [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: 02/16/2023] [Revised: 05/11/2023] [Accepted: 05/25/2023] [Indexed: 06/24/2023] Open
Abstract
Nuclear factor erythroid 2-like 3 (NFE2L3) is a member of the cap 'n' collar basic-region leucine zipper (CNC-bZIP) transcription factor family that plays a vital role in modulating oxidation-reduction steady-state and proteolysis. Accumulating evidence suggests that NFE2L3 participates in cancer development; however, little is known about the mechanism by which NFE2L3 regulates hepatocellular carcinoma (HCC) cell growth. Here, we confirmed that NFE2L3 promotes HCC cell proliferation by acting as a transcription factor, which directly induces the expression of proteasome and interferon-stimulated gene 15 (ISG15) to enhance the proteasome-dependent degradation of ISGylated p53. Post-translational ISGylation abated the stability of p53 and facilitated HCC cell growth. In summary, we uncovered the pivotal role of NFE2L3 in promoting HCC cell proliferation during proteostasis. This finding may provide a new target for the clinical treatment of HCC.
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Affiliation(s)
- Yonggang Ren
- Institute of Basic Medicine and Forensic MedicineNorth Sichuan Medical CollegeNanchongChina
- Research Center of Clinical Medical SciencesAffiliated Hospital of North Sichuan Medical CollegeNanchongChina
- Guangdong Key Laboratory of Systems Biology and Synthetic Biology for Urogenital Tumors, Institute of Translational Medicine, Shenzhen Second People's HospitalThe First Affiliated Hospital of Shenzhen UniversityShenzhenChina
| | - Jing Yang
- Institute of Basic Medicine and Forensic MedicineNorth Sichuan Medical CollegeNanchongChina
| | - Zhiran Ding
- Institute of Basic Medicine and Forensic MedicineNorth Sichuan Medical CollegeNanchongChina
| | - Menghua Zheng
- Institute of Basic Medicine and Forensic MedicineNorth Sichuan Medical CollegeNanchongChina
| | - Lu Qiu
- School of Pharmaceutical Sciences (Shenzhen)Shenzhen Campus of Sun Yat‐Sen UniversityShenzhenChina
| | - Aifa Tang
- Shenzhen Luohu Hospital GroupThe Third Affiliated Hospital of Shenzhen UniversityShenzhenChina
| | - Dandan Huang
- Institute of Basic Medicine and Forensic MedicineNorth Sichuan Medical CollegeNanchongChina
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Kim YJ, Lee Y, Shin H, Hwang S, Park J, Song EJ. Ubiquitin-proteasome system as a target for anticancer treatment-an update. Arch Pharm Res 2023; 46:573-597. [PMID: 37541992 DOI: 10.1007/s12272-023-01455-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/05/2023] [Indexed: 08/06/2023]
Abstract
As the ubiquitin-proteasome system (UPS) regulates almost every biological process, the dysregulation or aberrant expression of the UPS components causes many pathological disorders, including cancers. To find a novel target for anticancer therapy, the UPS has been an active area of research since the FDA's first approval of a proteasome inhibitor bortezomib in 2003 for treating multiple myeloma (MM). Here, we summarize newly described UPS components, including E3 ubiquitin ligases, deubiquitinases (DUBs), and immunoproteasome, whose malfunction leads to tumorigenesis and whose inhibitors have been investigated in clinical trials as anticancer therapy since 2020. We explain the mechanism and effects of several inhibitors in depth to better comprehend the advantages of targeting UPS components for cancer treatment. In addition, we describe attempts to overcome resistance and limited efficacy of some launched proteasome inhibitors, as well as an emerging PROTAC-based tool targeting UPS components for anticancer therapy.
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Affiliation(s)
- Yeon Jung Kim
- College of Pharmacy, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
| | - Yeonjoo Lee
- College of Pharmacy, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
| | - Hyungkyung Shin
- College of Pharmacy, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
| | - SuA Hwang
- College of Pharmacy, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
| | - Jinyoung Park
- Center for Advanced Biomolecular Recognition, Biomedical Research Division, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Division of Bio‑Medical Science and Technology, KIST‑School, University of Science and Technology (UST), Seoul, 02792, Republic of Korea
| | - Eun Joo Song
- College of Pharmacy, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea.
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Fang T, Sun H, Sun X, He Y, Tang P, Gong L, Yu Z, Liu L, Xie S, Wang T, Xu Z, Yi S, An G, Xu Y, Zhu G, Qiu L, Hao M. Exosome miRNAs profiling in serum and prognostic evaluation in patients with multiple myeloma. BLOOD SCIENCE 2023; 5:196-208. [PMID: 37546707 PMCID: PMC10400059 DOI: 10.1097/bs9.0000000000000160] [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: 12/14/2022] [Accepted: 04/18/2023] [Indexed: 08/08/2023] Open
Abstract
MicroRNAs (MiRNAs) carried by exosomes play pivotal roles in the crosstalk between cell components in the tumor microenvironment. Our study aimed at identifying the expression profile of exosomal miRNAs (exo-miRNAs) in the serum of multiple myeloma (MM) patients and investigating the regulation networks and their potential functions by integrated bioinformatics analysis. Exosomes in serum from 19 newly diagnosed MM patients and 9 healthy donors were isolated and the miRNA profile was investigated by small RNA sequencing. Differential expression of exo-miRNAs was calculated and target genes of miRNAs were predicted. CytoHubba was applied to identify the hub miRNAs and core target genes. The LASSO Cox regression model was used to develop the prognostic model, and the ESTIMATE immune score was calculated to investigate the correlation between the model and immune status in MM patients. The top six hub differentially expressed serum exo-miRNAs were identified. 513 target genes of the six hub exo-miRNAs were confirmed to be differentially expressed in MM cells in the Zhan Myeloma microarray dataset. Functional enrichment analysis indicated that these target genes were mainly involved in mRNA splicing, cellular response to stress, and deubiquitination. 13 core exo-miRNA target genes were applied to create a novel prognostic signature to provide risk stratification for MM patients, which is associated with the immune microenvironment of MM patients. Our study comprehensively investigated the exo-miRNA profiles in MM patients. A novel prognostic signature was constructed to facilitate the risk stratification of MM patients with distinct outcomes.
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Affiliation(s)
- Teng Fang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Hao Sun
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Xiyue Sun
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Yi He
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Peixia Tang
- Hematology Department, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fuzhou 350001, China
| | - Lixin Gong
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Zhen Yu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Lanting Liu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Shiyi Xie
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
| | - Tingyu Wang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Zhenshu Xu
- Hematology Department, Fujian Medical University Union Hospital, Fujian Institute of Hematology, Fuzhou 350001, China
| | - Shuhua Yi
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Gang An
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Yan Xu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Guoqing Zhu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
| | - Lugui Qiu
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
- Gobroad Healthcare Group, Beijing 100072, China
| | - Mu Hao
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300020, China
- Tianjin Institutes of Health Science, Tianjin 301600, China
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Caserta S, Genovese C, Cicero N, Gangemi S, Allegra A. The Anti-Cancer Effect of Cinnamon Aqueous Extract: A Focus on Hematological Malignancies. Life (Basel) 2023; 13:life13051176. [PMID: 37240821 DOI: 10.3390/life13051176] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/10/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
Cinnamon is an evergreen and tropical plant of the family Lauraceae, growing particularly in Sri Lanka, whose aqueous extract has been tested in different studies to evaluate its possible use as an anti-cancer compound. Both in vitro and in vivo experiments seem to confirm that it acts on various cellular pathways, contributing to down-regulating the activity of molecules that stimulate the proliferation and survival of cells such as the transcription factors NF-KB and AP-1, COX-2, dihydrofolate reductase and pro-angiogenic substances such as VEGF, while up-regulating the function of immune cells against tumors, such as cytotoxic CD8+ T cells. In hematological malignancies, aqueous cinnamon extract has been studied in order to understand if it is possible to count on its help, alone or in combination with traditional drugs such as doxorubicin, to treat patients. The aim of our work is to investigate results from in vitro and in vivo studies about the possible anti-cancer effect of aqueous cinnamon extract in hematological malignancies and the different pathways involved in its action. The possibility of using cinnamon extract in clinical practice is discussed; even if its use could appear very interesting, more studies are necessary to clear the real potentiality of this substance in cancer.
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Affiliation(s)
- Santino Caserta
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Via Consolare Valeria, 98125 Messina, Italy
| | - Claudia Genovese
- National Research Council, Institute for Agricultural and Forest Systems in the Mediterranean, Via Empedocle 58, 95128 Catania, Italy
| | - Nicola Cicero
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
| | - Sebastiano Gangemi
- Allergy and Clinical Immunology Unit, Department of Clinical and Experimental Medicine, University of Messina, Via Consolare Valeria, 98125 Messina, Italy
| | - Alessandro Allegra
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Via Consolare Valeria, 98125 Messina, Italy
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Zhang Q, Li J, Chen Z, Jiang K, Yang K, Huang F, Huang A, Zhang X, Zhang J, Wang H. VE-822 upregulates the deubiquitinase OTUD1 to stabilize FHL1 to inhibit the progression of lung adenocarcinoma. Cell Oncol (Dordr) 2023:10.1007/s13402-023-00793-x. [PMID: 36929488 DOI: 10.1007/s13402-023-00793-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2023] [Indexed: 03/18/2023] Open
Abstract
BACKGROUND The deubiquitinase ovarian tumor domain-containing 1 (OTUD1) has been considered as a tumor suppressor in many tumors, but there is minimal research on the role of OTUD1 in lung adenocarcinoma (LUAD) pathogenesis. METHODS Bioinformatics analyses and western blot were applied for investigating OTUD1 expression in lung cancer and the drug that upregulated OTUD1. Kaplan-Meier analysis with log-rank test was used for survival analyses. IP-MS and co-IP were performed for identifying potential protein interactions with OTUD1. In vitro and in vivo assays were used for exploring the function of OTUD1 during the progression of LUAD. RESULTS OTUD1 was dramatically downregulated in tumors and cell lines of human lung cancer. OTUD1 inhibited proliferation and migration of lung cancer cells in vitro. Moreover, OTUD1 inhibited growth of xenografts in nude mice and formation of primary lung tumors in urethane-induced lung cancer model. Mechanistically, we showed that OTUD1 deubiquitinated and stabilized FHL1. Furthermore, we listed and identified VE-822 as a candidate agonist for OTUD1. VE-822 inhibited proliferation of lung adenocarcinoma both in vitro and in vivo. CONCLUSION These results indicated that the deubiquitinase OTUD1, which was upregulated by VE-822, inhibited the progression of LUAD in vitro and in vivo by deubiquitinating and stabilizing FHL1.
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Affiliation(s)
- Qi Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jinglei Li
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zihan Chen
- Department of Medical Genetics, Basic School of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ke Jiang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kunyu Yang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Fang Huang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ai Huang
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaodong Zhang
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Jinxiang Zhang
- Department of Emergency Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Hui Wang
- Department of Medical Genetics, Basic School of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. .,Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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He L, Zhang HR, Di WD, Li FF, Wang CQ, Yang X, Liu XF, Hu M. A proteasomal β5 subunit of Haemonchus contortus with a role in the growth, development and life span. Parasit Vectors 2023; 16:100. [PMID: 36922877 PMCID: PMC10015785 DOI: 10.1186/s13071-023-05676-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/18/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND The proteasome in eukaryotic cells can degrade a variety of proteins and plays an important role in regulating the cell cycle, cell survival and apoptosis. The proteasome receives much attention as a potential chemotherapeutic target for treatment of a variety of infectious parasitic diseases, but few studies of proteasomes have been done on parasitic nematodes. METHODS A proteasomal β5 subunit encoding gene (named Hc-pbs-5) and its inferred product (Hc-PBS-5) in Haemonchus contortus were identified and characterized in this study. Then, the transcriptional profiles and anatomical expression were studied using an integrated molecular approach. Finally, a specific proteasome inhibitor bortezomib (BTZ), together with RNA interference (RNAi), was employed to assess the function of Hc-PBS-5. RESULTS Bioinformatic analysis revealed that the coding sequence of Hc-pbs-5 was 855 bp long and encoded 284 amino acids (aa). The predicted protein (Hc-PBS-5) had core conservative sequences (65-250 aa) belonging to N-terminal nucleophile (Ntn) family of hydrolases. Real-time PCR results revealed that Hc-pbs-5 was continuously transcribed in eight developmental stages with higher levels at the infective third-stage larvae (L3s) and adult males of H. contortus. Immunohistochemical results revealed that Hc-PBS-5 was expressed in intestine, outer cuticle, muscle cells under the outer cuticle, cervical glands and seminal vesicles of male adults and also in intestine, outer cuticle, cervical glands, uterine wall, eggs and ovaries of female adults of H. contortus. BTZ could reduce proportions of egg hatching, and the fourth-stage larvae (L4s) developed from the exsheathed L3s (xL3s) of H. contortus. In addition, silencing Hc-pbs-5 by soaking the specific double-stranded RNA (dsRNA) could decrease the transcription of Hc-pbs-5 and result in fewer xL3s developing to L4s in vitro. CONCLUSIONS These results indicate that proteasomal β5 subunit plays an important role in the growth, development and life span of H. contortus.
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Affiliation(s)
- Li He
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China.,Hubei Key Laboratory of Embryonic Stem Cell Research, School of Basic Medical Sciences, Hubei University of Medicine, Shiyan, 442000, Hubei Province, People's Republic of China
| | - Hong-Run Zhang
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Wen-Da Di
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, Guangxi Zhuang Autonomous Region, People's Republic of China.
| | - Fang-Fang Li
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Chun-Qun Wang
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Xin Yang
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Xiao-Fang Liu
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China
| | - Min Hu
- State Key Laboratory of Agricultural Microbiology, Key Laboratory for the Development of Veterinary Products, Ministry of Agriculture College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People's Republic of China.
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10
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Jin S, Kudo Y, Horiguchi T. The Role of Deubiquitinating Enzyme in Head and Neck Squamous Cell Carcinoma. Int J Mol Sci 2022; 24:ijms24010552. [PMID: 36613989 PMCID: PMC9820089 DOI: 10.3390/ijms24010552] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 12/30/2022] Open
Abstract
Ubiquitination and deubiquitination are two popular ways for the post-translational modification of proteins. These two modifications affect intracellular localization, stability, and function of target proteins. The process of deubiquitination is involved in histone modification, cell cycle regulation, cell differentiation, apoptosis, endocytosis, autophagy, and DNA repair after damage. Moreover, it is involved in the processes of carcinogenesis and cancer development. In this review, we discuss these issues in understanding deubiquitinating enzyme (DUB) function in head and neck squamous cell carcinoma (HNSCC), and their potential therapeutic strategies for HNSCC patients are also discussed.
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11
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Proteasome Inhibitors and Their Potential Applicability in Osteosarcoma Treatment. Cancers (Basel) 2022; 14:cancers14194544. [PMID: 36230467 PMCID: PMC9559645 DOI: 10.3390/cancers14194544] [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: 07/26/2022] [Revised: 09/14/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022] Open
Abstract
Simple Summary Bone cancer has seen minimal benefits in therapeutic options in the past 30 years. Proteasome inhibitors present a new avenue of research for the treatment of bone cancer. Proteasome inhibitors impair the function of the proteasome, a structure within the cell that removes unwanted and misfolded proteins. Bone cancer cells heavily rely on the proteasome to properly function and survive. Impairing the proteasome function can have detrimental consequences and lead to cell death. This review provides a thorough summary of the in vitro, in vivo, and clinical research that has explored proteasome inhibitors for the treatment of bone cancer. Abstract Osteosarcoma (OS) is the most common type of bone cancer, with ~30% of patients developing secondary/metastatic tumors. The molecular complexity of tumor metastasis and the lack of effective therapies for OS has cultivated interest in exploiting the proteasome as a molecular target for anti-cancer therapy. As our understanding towards the behavior of malignant cells expands, it is evident that cancerous cells display a greater reliance on the proteasome to maintain homeostasis and sustain efficient biological activities. This led to the development and approval of first- and second-generation proteasome inhibitors (PIs), which have improved outcomes for patients with multiple myeloma and mantle cell lymphoma. Researchers have since postulated the therapeutic potential of PIs for the treatment of OS. As such, this review aims to summarize the biological effects and latest findings from clinical trials investigating PI-based treatments for OS. Integrating PIs into current treatment regimens may better outcomes for patients diagnosed with OS.
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12
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Jiang L, He Q, Chen X, Liu A, Ding W, Zhang H, Chen X, Zhou H, Meng Y, Liu B, Peng G, Wang C, Liu J, Shi X. Inhibition of proteasomal deubiquitinases USP14 and UCHL5 overcomes tyrosine kinase inhibitor resistance in chronic myeloid leukaemia. Clin Transl Med 2022; 12:e1038. [PMID: 36082692 PMCID: PMC9460481 DOI: 10.1002/ctm2.1038] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 08/09/2022] [Accepted: 08/15/2022] [Indexed: 11/07/2022] Open
Abstract
Background Chronic myeloid leukaemia (CML) is a haematological cancer featured by the presence of BCR‐ABL fusion protein with abnormal tyrosine kinase activation. Classical tyrosine kinase inhibitor (TKI)‐based therapies are available to patients with CML. However, acquired resistance to TKI has been a challenging obstacle, especially stubborn T315I mutation is the most common cause. Therefore, it is especially urgent to find more effective targets to overcome TKI resistance induced by BCR‐ABLT315I. Proteasomal deubiquitinases (USP14 and UCHL5) have fundamental roles in the ubiquitin‐proteasome system and possess multiple functions during cancer progression. Methods The human peripheral blood mononuclear cells were collected to measure the mRNA expression of USP14 and UCHL5, as well as to detect the toxicity effect of b‐AP15. We explored the effect of b‐AP15 on the activity of proteasomal deubiquitinases. We detected the effects of b‐AP15 on BCR‐ABLWT and BCR‐ABLT315I CML cells in vitro and in the subcutaneous tumour model. We knocked down USP14 and/or UCHL5 by shRNA to explore whether these proteasomal deubiquitinases are required for cell proliferation of CML. Results In this study, we found that increased expression of the proteasomal deubiquitinase USP14 and UCHL5 in primary cancer cells from CML patients compared to healthy donors. b‐AP15, an inhibitor of USP14 and UCHL5, exhibited potent tumour‐killing activity in BCR‐ABLWT and BCR‐ABLT315I CML cell lines, as well as in CML xenografts and primary CML cells. Mechanically, pharmacological or genetic inhibition of USP14 and UCHL5 induced cell apoptosis and decreased the protein level of BCR‐ABL in CML cells expressing BCR‐ABLWT and BCR‐ABLT315I. Moreover, b‐AP15 synergistically enhanced the cytotoxic effect caused by TKI imatinib in BCR‐ABLWT and BCR‐ABLT315I CML cells. Conclusion Collectively, our results demonstrate targeting USP14 and UCHL5 as a potential strategy for combating TKI resistance in CML.
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Affiliation(s)
- Liling Jiang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China.,The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan, P.R. China
| | - Qingyan He
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Xin Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Aochu Liu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Wa Ding
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Haichuan Zhang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Xinmei Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Huan Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Yi Meng
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Bingyuan Liu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Guanjie Peng
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Chunyan Wang
- Depatrment of Hematology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, P.R. China
| | - Jinbao Liu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
| | - Xianping Shi
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Affiliated Cancer Hospital of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, P.R. China
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13
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Stabilization of DEPTOR sensitizes hypopharyngeal cancer to radiotherapy via targeting degradation. Mol Ther Oncolytics 2022; 26:330-346. [PMID: 36090478 PMCID: PMC9420345 DOI: 10.1016/j.omto.2022.08.002] [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: 02/09/2022] [Accepted: 08/02/2022] [Indexed: 11/21/2022] Open
Abstract
The use of radiotherapy for hypopharyngeal cancer (HC) treatment is increasing, and it is currently the primary treatment option for this cancer. However, radioresistance occurs in a proportion of patients. Here, we found that radiation increased proteasomal gene expression and that proteasome assembly was dependent on the induction of transcription factor NRF1 in HC. Through screening assays, we identified a mechanism by which proteasome-mediated degradation of DEP domain-containing mTOR-interacting protein (DEPTOR) contributes to the elevation of mTORC1 signaling after radiation. Therefore, after treatment with proteasome inhibitors (PIs), stabilization of DEPTOR inhibited mTORC1 signaling elevated by radiation and ultimately sensitized HC to radiotherapy. Mechanically, PIs not only interrupted the deubiquitination and degradation of DEPTOR but also suppressed the ubiquitination of DEPTOR mediated by β-TrCP. Clinically, the high levels of DEPTOR in HC cells were associated with sensitivity to radiotherapy and favorable prognosis. Stabilizing DEPTOR through targeting proteasome-mediated degradation is a potential strategy for sensitizing HC to radiotherapy.
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14
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Sereda EE, Kolegova ES, Kakurina GV, Korshunov DA, Sidenko EA, Doroshenko AV, Slonimskaya EM, Kondakova IV. Five-year survival in luminal breast cancer patients: relation with intratumoral activity of proteasomes. TRANSLATIONAL BREAST CANCER RESEARCH : A JOURNAL FOCUSING ON TRANSLATIONAL RESEARCH IN BREAST CANCER 2022; 3:23. [PMID: 38751528 PMCID: PMC11093047 DOI: 10.21037/tbcr-22-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/14/2022] [Indexed: 05/18/2024]
Abstract
Background The purpose of the study was to analyze the relationship between the caspase-like (CL) and chymotrypsin-like (ChTL) activities of proteasomes and the 5-year overall and metastasis-free survival rates in patients with luminal breast cancer. Methods The study included 117 patients with primary operable invasive breast cancer (T1-2N0-1M0). Tissue samples from breast cancer patients were obtained as a result of the radical mastectomy or breast conserving surgery, which was a first line of therapy. The ChTL and CL proteasomes activities in the tumor tissue and in the surrounding adjacent breast tissues were assessed using the fluorometric method. The coefficients of ChTL (cChTL) and CL (cCL) proteasomes activities were also determined. The coefficients were calculated as the ratio of the corresponding proteasomes activity in the tumor tissue to the surrounding adjacent breast tissues. Within 5 years of follow-up, hematogenous metastases occurred in 14% of patients with luminal A breast cancer, in 31% of patients with luminal B human epidermal growth factor receptor-2 (HER-2) negative and in 23% of patients with luminal B HER-2 positive breast cancers. The study protocol was approved by the Local Ethics Committee of the Cancer Research Institute of Tomsk National Research Medical Center. Written informed consent was obtained from all patients. Results An increase in the ChTL and CL proteasomes activities was shown in all studied molecular subtypes of breast cancer compared to adjacent tissues. It was found that the cChTL of >35.9 U/mg protein and the cCL of >2.21 in breast cancer patients were associated with the development of distant metastases. In patients with luminal A breast cancer, the 5-year metastasis-free survival rates were associated only with the value of cCL of proteasomes (log-rank test: P=0.008). In patients with luminal B HER-2 negative breast cancer, the 5-year metastasis-free survival rates were associated with the levels of ChTL and cCL proteasomes activities (log-rank test: P=0.02 and P=0.04, respectively). Conclusions The data obtained on the correlation of 5-year metastasis-free survival rates with the level of proteasomes activities indicate the possibility of their use as additional prognostic criteria for breast cancer.
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Affiliation(s)
- Elena E. Sereda
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
- Department of Biochemistry and Molecular Biology, Faculty of Medicine and Biology, Siberian State Medical University, Tomsk, Russia
| | - Elena. S. Kolegova
- Laboratory of Cancer Progression Biology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Gelena V. Kakurina
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
- Department of Biochemistry and Molecular Biology, Faculty of Medicine and Biology, Siberian State Medical University, Tomsk, Russia
| | - Dmitriy A. Korshunov
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Evgenia A. Sidenko
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Artem V. Doroshenko
- General Oncology Department, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Elena M. Slonimskaya
- General Oncology Department, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
| | - Irina V. Kondakova
- Laboratory of Tumor Biochemistry, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russia
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15
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Zhu Y, Gu L, Lin X, Zhou X, Lu B, Liu C, Li Y, Prochownik EV, Karin M, Wang F, Li Y. P53 deficiency affects cholesterol esterification to exacerbate hepatocarcinogenesis. Hepatology 2022; 77:1499-1511. [PMID: 35398929 DOI: 10.1002/hep.32518] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/01/2022] [Accepted: 04/04/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS Cholesterol ester (CE) biosynthesis and homeostasis play critical roles in many cancers, including HCC, but their exact mechanistic contributions to HCC disease development require further study. APPROACH AND RESULTS Here, we report on a proposed role of tumor suppressor P53 in its repressing ubiquitin-specific peptidase 19 (USP19) and sterol O-acyltransferase (SOAT) 1, which maintains CE homeostasis. USP19 enhances cholesterol esterification and contributes to hepatocarcinogenesis (HCG) by deubiquitinating and stabilizing SOAT1. Loss of either SOAT1 or USP19 dramatically attenuates cholesterol esterification and HCG in P53-deficient mice fed with either a normal chow diet or a high-cholesterol, high-fat diet (HCHFD). SOAT1 inhibitor avasimibe has more inhibitory effect on HCC progression in HCHFD-maintained P53-deficient mice when compared to the inhibitors of de novo cholesterol synthesis. Consistent with our findings in the mouse model, the P53-USP19-SOAT1 signaling axis is also dysregulated in human HCCs. CONCLUSIONS Collectively, our findings demonstrate that SOAT1 participates in HCG by increasing cholesterol esterification, thus indicating that SOAT1 is a potential biomarker and therapeutic target in P53-deficient HCC.
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Affiliation(s)
- Yahui Zhu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China.,School of Medicine, Chongqing University, Chongqing, China
| | - Li Gu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Xi Lin
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Xinyi Zhou
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Bingjun Lu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Cheng Liu
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Yajun Li
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
| | - Edward V Prochownik
- Division of Hematology/Oncology, Children's Hospital of Pittsburgh of UPMC, The Department of Microbiology and Molecular Genetics, The Pittsburgh Liver Research Center and The Hillman Cancer Center of UPMC, The University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
| | - Michael Karin
- Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Fubing Wang
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Youjun Li
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan, China.,Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan, China
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16
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Larbret F, Biber P, Dubois N, Ivanov S, Lafanechere L, Tartare-Deckert S, Deckert M. Deubiquitinase Inhibitors Impair Leukemic Cell Migration Through Cofilin Oxidation and Alteration of Actin Reorganization. Front Pharmacol 2022; 12:778216. [PMID: 35069199 PMCID: PMC8782157 DOI: 10.3389/fphar.2021.778216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/14/2021] [Indexed: 11/29/2022] Open
Abstract
Actin networks are dynamically regulated through constant depolymerization and polymerization cycles. Although the fundamental mechanisms that govern these processes have been identified, the nature and role of post-translational modifications (PTMs) of actin and actin regulatory proteins are not completely understood. Here, we employed Actin CytoFRET, a method that we developed for real time detection of fluorescence resonance energy transfer (FRET) signals generated by actin dynamics, to screen a small library of PTM-interfering compounds on a biosensor leukemic T cell line. This strategy led to the identification of small molecule inhibitors of deubiquitinating enzymes (DUBs) as potent inducers of actin polymerization and blockers of chemotactic cell migration. The examination of the underlying mechanism further revealed that the actin depolymerizing protein cofilin represents a major effector of DUB inhibitor (DUBi)-induced actin reorganization. We found that DUB blockade results in the accumulation of polyubiquitinated proteins and ROS production, associated with cofilin oxidation and dephosphorylation on serine 3, which provokes uncontrolled actin polymerization impairing cell migration. Together, our study highlights DUBs as novel regulators of actin dynamics through ROS-dependent cofilin modulation, and shows that DUBi represent attractive novel tools to impede leukemic cell migration.
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Affiliation(s)
- Frédéric Larbret
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Pierric Biber
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | | | | | - Laurence Lafanechere
- Université Grenoble Alpes, INSERM, Institut pour l'Avancée des Biosciences, La Tronche, France
| | - Sophie Tartare-Deckert
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
| | - Marcel Deckert
- Université Côte d'Azur, INSERM, C3M, Nice, France.,Team MicroCan, Equipe labellisée Ligue Contre le Cancer, Nice, France
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17
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Mondal M, Conole D, Nautiyal J, Tate EW. UCHL1 as a novel target in breast cancer: emerging insights from cell and chemical biology. Br J Cancer 2022; 126:24-33. [PMID: 34497382 PMCID: PMC8727673 DOI: 10.1038/s41416-021-01516-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 06/25/2021] [Accepted: 07/22/2021] [Indexed: 12/12/2022] Open
Abstract
Breast cancer has the highest incidence and death rate among cancers in women worldwide. In particular, metastatic estrogen receptor negative (ER-) breast cancer and triple-negative breast cancer (TNBC) subtypes have very limited treatment options, with low survival rates. Ubiquitin carboxyl terminal hydrolase L1 (UCHL1), a ubiquitin C-terminal hydrolase belonging to the deubiquitinase (DUB) family of enzymes, is highly expressed in these cancer types, and several key reports have revealed emerging and important roles for UCHL1 in breast cancer. However, selective and potent small-molecule UCHL1 inhibitors have been disclosed only very recently, alongside chemical biology approaches to detect regulated UHCL1 activity in cancer cells. These tools will enable novel insights into oncogenic mechanisms driven by UCHL1, and identification of substrate proteins deubiquitinated by UCHL1, with the ultimate goal of realising the potential of UCHL1 as a drug target in breast cancer.
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Affiliation(s)
- Milon Mondal
- Department of Chemistry, Imperial College London, London, UK
| | - Daniel Conole
- Department of Chemistry, Imperial College London, London, UK
| | - Jaya Nautiyal
- Department of Surgery and Cancer, Institute of Reproductive and Developmental Biology, Imperial College London, London, UK
| | - Edward W Tate
- Department of Chemistry, Imperial College London, London, UK.
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18
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Al-Eidan A, Wang Y, Skipp P, Ewing RM. The USP7 protein interaction network and its roles in tumorigenesis. Genes Dis 2022; 9:41-50. [PMID: 35005106 PMCID: PMC8720671 DOI: 10.1016/j.gendis.2020.10.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 02/06/2023] Open
Abstract
Ubiquitin-specific protease (USP7), also known as Herpesvirus-associated ubiquitin-specific protease (HAUSP), is a deubiquitinase. There has been significant recent attention on USP7 following the discovery that USP7 is a key regulator of the p53-MDM2 pathway. The USP7 protein is 130 kDa in size and has multiple domains which bind to a diverse set of proteins. These interactions mediate key developmental and homeostatic processes including the cell cycle, immune response, and modulation of transcription factor and epigenetic regulator activity and localization. USP7 also promotes carcinogenesis through aberrant activation of the Wnt signalling pathway and stabilization of HIF-1α. These findings have shown that USP7 may induce tumour progression and be a therapeutic target. Together with interest in developing USP7 as a target, several studies have defined new protein interactions and the regulatory networks within which USP7 functions. In this review, we focus on the protein interactions of USP7 that are most important for its cancer-associated roles.
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Affiliation(s)
- Ahood Al-Eidan
- School of Biological Sciences, B85 Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
- Department of Biology, College of Sciences, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam, Saudi Arabia
| | - Yihua Wang
- School of Biological Sciences, B85 Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Paul Skipp
- School of Biological Sciences, B85 Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Rob M. Ewing
- School of Biological Sciences, B85 Life Sciences, University of Southampton, Southampton, SO17 1BJ, UK
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19
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Li N, Zhan X. Integrated genomic analysis of proteasome alterations across 11,057 patients with 33 cancer types: clinically relevant outcomes in framework of 3P medicine. EPMA J 2021; 12:605-627. [PMID: 34956426 DOI: 10.1007/s13167-021-00256-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 09/16/2021] [Indexed: 12/30/2022]
Abstract
Relevance Proteasome, a cylindrical complex containing 19S regulatory particle lid, 19S regulatory particle base, and 20S core particle, acted as a major mechanism to regulate the levels of intracellular proteins and degrade misfolded proteins, which involved in many cellular processes, and played important roles in cancer biological processes. Elucidation of proteasome alterations across multiple cancer types will directly contribute to cancer medical services in the context of predictive, preventive, and personalized medicine (PPPM / 3P medicine). Purpose This study aimed to investigate proteasome gene alterations across 33 cancer types for discovery of effective biomarkers and therapeutic targets in the framework of PPPM practice in cancers. Methods Proteasome gene data, including gene expression RNAseq, somatic mutation, tumor mutation burden (TMB), copy number variant (CNV), microsatellite instability (MSI) score, clinical characteristics, immune phenotype, 22 immune cells, cancer stemness index, drug sensitivity, and related pathways, were systematically analyzed with publically available database and bioinformatics across 11,057 patients with 33 cancer types. Results Differentially expressed proteasome genes were extensively found between tumor and control tissues. PSMB4 occurred the top mutation event among proteasome genes, and those proteasome genes were significantly associated with TMB and MSI score. Most of proteasome genes were positively related to CNV among single deletion, control copy number, and single gain. Kaplan-Meier curves and COX regression survival analysis showed proteasome genes were significantly associated with patient survival rate across 33 cancer types. Furthermore, the expressions of proteasome genes were significantly different among different clinical stages and immune subtypes. The expressions of proteasome genes were correlated with immune-related scores (ImmuneScore, StromalScore, and ESTIMATEScore), 22 immune cells, and cancer stemness. The sensitivities of multiple drugs were closely related to proteasome gene expressions. The identified proteasome and proteasome-interacted proteins were significantly enriched in various cancer-related pathways. Conclusions This study provided the first landscape of proteasome alterations across 11,057 patients with 33 cancer types and revealed that proteasome played a significant and wide functional role in cancer biological processes. These findings are the precious scientific data to reveal the common and specific alterations of proteasome genes among 33 cancer types, which benefits the research and practice of PPPM in cancers. Supplementary Information The online version contains supplementary material available at 10.1007/s13167-021-00256-z.
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Affiliation(s)
- Na Li
- Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University, 440 Jiyan Road, Jinan, Shandong 250117 People's Republic of China.,Medical Science and Technology Innovation Center, Shandong First Medical University, 6699 Qingdao Road, Jinan, Shandong 250117 People's Republic of China
| | - Xianquan Zhan
- Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University, 440 Jiyan Road, Jinan, Shandong 250117 People's Republic of China.,Medical Science and Technology Innovation Center, Shandong First Medical University, 6699 Qingdao Road, Jinan, Shandong 250117 People's Republic of China.,Gastroenterology Research Institute and Clinical Center, Shandong First Medical University, 38 Wuying Shan Road, Jinan, Shandong 250031 People's Republic of China
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20
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Zhang Z, Cui Z, Xie Z, Li C, Xu C, Guo X, Yu J, Chen T, Facchinetti F, Bohnenberger H, Leong TL, Xie Y, Mao X, Zhao J. Deubiquitinase USP5 promotes non-small cell lung cancer cell proliferation by stabilizing cyclin D1. Transl Lung Cancer Res 2021; 10:3995-4011. [PMID: 34858787 PMCID: PMC8577967 DOI: 10.21037/tlcr-21-767] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 10/22/2021] [Indexed: 12/28/2022]
Abstract
Background Cyclin D1 (CCND1) is overexpressed in non-small cell lung cancer (NSCLC) and contributes to its tumorigenesis and progression. Accumulating evidence shows that ubiquitin-specific protease 5 (USP5), an important member of the USP family, acts as a tumor promoter by deubiquitinating and stabilizing oncoproteins. However, neither the mechanism for dysregulated turnover of CCND1 protein nor the association of CCND1 with USP5 in NSCLC is well understood. Methods The association of USP5 with CCND1 in human NSCLC cells and clinical tissues was determined by immunoprecipitation/immunoblotting, immunohistochemistry (IHC), and The Cancer Genome Atlas database analyses. The effect of USP5 knockdown or overexpression on NSCLC cell proliferation in vitro was assessed by Cell Counting Kit-8, flow cytometry-based cell cycle, and colony formation assays. The effect of the USP5 inhibitor EOAI3402143 (G9) on NSCLC proliferation in vitro was analyzed by CCK-8 assay. The effect of G9 on NSCLC xenograft tumor growth was also examined in vivo, using athymic BALB/c nude mice. Results USP5 physically bound to CCND1 and decreased its polyubiquitination level, thereby stabilizing CCND1 protein. This USP5-CCND1 axis promoted NSCLC cell proliferation and colony formation. Further, knockdown of USP5 led to CCND1 degradation and cell cycle arrest in NSCLC cells. Importantly, this tumor-suppressive effect elicited by USP5 knockdown in NSCLC cells was validated in vitro and in vivo through chemical inhibition of USP5 activity using G9. Consistently, G9 downregulated the protein levels of CCND1 in NSCLC cells and xenograft tumor tissues. Also, the expression level of USP5 was positively associated with the protein level of CCND1 in human clinical NSCLC tissues. Conclusions This study has provided the first evidence that CCND1 is a novel substrate of USP5. The USP5-CCND1 axis could be a potential target for the treatment of NSCLC.
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Affiliation(s)
- Zhiwei Zhang
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zihan Cui
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhuolin Xie
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Chang Li
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Chun Xu
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xia Guo
- Department of Pathology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jie Yu
- Department of Pathology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Tengfei Chen
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Francesco Facchinetti
- Université Paris-Saclay, Institut Gustave Roussy, Inserm, Biomarqueurs Prédictifs et Nouvelles, Stratégies Thérapeutiques en Oncologie, Villejuif, France
| | | | - Tracy L Leong
- Department of Respiratory Medicine, Austin Health, Heidelberg, Victoria, Australia
| | - Yufeng Xie
- Department of Oncology, the First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xinliang Mao
- Department of Pharmacology, College of Pharmaceutical Sciences, Soochow University, Suzhou, China.,Guangdong Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Jun Zhao
- Department of Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
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21
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Ji P, Wang H, Cheng Y, Liang S. Prognostic prediction and gene regulation network of EIF2S2 in hepatocellular carcinoma based on data mining. J Gastrointest Oncol 2021; 12:3061-3078. [PMID: 35070430 PMCID: PMC8748036 DOI: 10.21037/jgo-21-748] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 11/26/2021] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is a malignant tumor with a high fatality rate, predicting poor prognosis and therapeutic effect. Screening potential prognostic genes in HCC could be a creative way to advance clinical treatment. Eukaryotic translation initiation factor 2 subunit beta (EIF2S2) has reportedly been linked to several tumors, including liver cancer, but the prognostic predictions remain unknown. Therefore, we aimed to clarify the prognostic role and interaction network of EIF2S2 in HCC using bioinformatics data. METHODS We screened EIF2S2 using the Oncomine, Ualcan, and TCGA databases. R software was used to analyze the mRNA level and clinicopathological characteristics of hepatocellular carcinoma. Evaluation of the correlations between EIF2S2 and patients' survival was made using the Kaplan-Meier curves and Cox proportional hazards regression model. Then, the influence of EIF2S2 gene mutations on the prognosis of patients was explored by cBioPortal. The protein-protein interaction network of 50 similar genes related to EIF2S2 was implemented by GEPIA2 and Metascape. The LinkedOmics database allowed us to carry out Gene Set Enrichment Analysis. Finally, we constructed the EIF2S2 kinase, miRNA, and transcription factor target networks using GeneMANIA. RESULTS EIF2S2 mRNA was overexpressed in HCC and was closely associated with clinicopathological features, including gender, age, race, tumor grade, and stage. There was no correlation between EIF2S2 genetic mutations and prognostic survival. Combining Cox proportional hazards regression model analyses, high-expressed EIF2S2 predicted poor prognosis in HCC patients. Additionally, we screened the top three EIF2S2-related genes (PFDN4, HM13, and SNRPD1), the 50 similar genes, and then constructed a 50-similar-gene protein-protein interaction network identified by the Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways using Metascape. EIF2S2 target networks in HCC were identified in kinase, miRNA, and transcription factor networks, including the mitogen-activated protein kinase 1 (MAPK1), miRNAs (Mir-144), and transcription factors (GGAANCGGAANY_UNKNOWN) using GeneMANIA. CONCLUSIONS EIF2S2 plays a crucial role in the gene-regulating network of HCC and may be a potential prognostic marker or therapeutic target for HCC patients.
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Affiliation(s)
- Piyou Ji
- Department of Hepatobiliary-Pancreatic-Splenic Surgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Haitao Wang
- Department of Hepatobiliary-Pancreatic-Splenic Surgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Yu Cheng
- Department of Hepatobiliary-Pancreatic-Splenic Surgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Shaohua Liang
- Department of Human Anatomy, Basic Medical College, Binzhou Medical University, Yantai, China
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22
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Chen L, Zhang M, Fang L, Yang X, Cao N, Xu L, Shi L, Cao Y. Coordinated regulation of the ribosome and proteasome by PRMT1 in the maintenance of neural stemness in cancer cells and neural stem cells. J Biol Chem 2021; 297:101275. [PMID: 34619150 PMCID: PMC8546425 DOI: 10.1016/j.jbc.2021.101275] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/19/2021] [Accepted: 09/30/2021] [Indexed: 12/17/2022] Open
Abstract
Previous studies suggested that cancer cells resemble neural stem/progenitor cells in regulatory network, tumorigenicity, and differentiation potential, and that neural stemness might represent the ground or basal state of differentiation and tumorigenicity. The neural ground state is reflected in the upregulation and enrichment of basic cell machineries and developmental programs, such as cell cycle, ribosomes, proteasomes, and epigenetic factors, in cancers and in embryonic neural or neural stem cells. However, how these machineries are concertedly regulated is unclear. Here, we show that loss of neural stemness in cancer or neural stem cells via muscle-like differentiation or neuronal differentiation, respectively, caused downregulation of ribosome and proteasome components and major epigenetic factors, including PRMT1, EZH2, and LSD1. Furthermore, inhibition of PRMT1, an oncoprotein that is enriched in neural cells during embryogenesis, caused neuronal-like differentiation, downregulation of a similar set of proteins downregulated by differentiation, and alteration of subcellular distribution of ribosome and proteasome components. By contrast, PRMT1 overexpression led to an upregulation of these proteins. PRMT1 interacted with these components and protected them from degradation via recruitment of the deubiquitinase USP7, also known to promote cancer and enriched in embryonic neural cells, thereby maintaining a high level of epigenetic factors that maintain neural stemness, such as EZH2 and LSD1. Taken together, our data indicate that PRMT1 inhibition resulted in repression of cell tumorigenicity. We conclude that PRMT1 coordinates ribosome and proteasome activity to match the needs for high production and homeostasis of proteins that maintain stemness in cancer and neural stem cells.
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Affiliation(s)
- Lu Chen
- Research Institute of Nanjing University in Shenzhen, Shenzhen, China; MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Min Zhang
- Research Institute of Nanjing University in Shenzhen, Shenzhen, China; MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Lei Fang
- Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Xiaoli Yang
- Research Institute of Nanjing University in Shenzhen, Shenzhen, China; MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Ning Cao
- Research Institute of Nanjing University in Shenzhen, Shenzhen, China; MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Liyang Xu
- MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Lihua Shi
- MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China
| | - Ying Cao
- Research Institute of Nanjing University in Shenzhen, Shenzhen, China; MOE Key Laboratory of Model Animals for Disease Study, Model Animal Research Center, Nanjing University, Nanjing, China; Jiangsu Key Laboratory of Molecular Medicine of the Medical School, Nanjing University, Nanjing, China.
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Gavali S, Liu J, Li X, Paolino M. Ubiquitination in T-Cell Activation and Checkpoint Inhibition: New Avenues for Targeted Cancer Immunotherapy. Int J Mol Sci 2021; 22:10800. [PMID: 34639141 PMCID: PMC8509743 DOI: 10.3390/ijms221910800] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/15/2022] Open
Abstract
The advent of T-cell-based immunotherapy has remarkably transformed cancer patient treatment. Despite their success, the currently approved immunotherapeutic protocols still encounter limitations, cause toxicity, and give disparate patient outcomes. Thus, a deeper understanding of the molecular mechanisms of T-cell activation and inhibition is much needed to rationally expand targets and possibilities to improve immunotherapies. Protein ubiquitination downstream of immune signaling pathways is essential to fine-tune virtually all immune responses, in particular, the positive and negative regulation of T-cell activation. Numerous studies have demonstrated that deregulation of ubiquitin-dependent pathways can significantly alter T-cell activation and enhance antitumor responses. Consequently, researchers in academia and industry are actively developing technologies to selectively exploit ubiquitin-related enzymes for cancer therapeutics. In this review, we discuss the molecular and functional roles of ubiquitination in key T-cell activation and checkpoint inhibitory pathways to highlight the vast possibilities that targeting ubiquitination offers for advancing T-cell-based immunotherapies.
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Affiliation(s)
| | | | | | - Magdalena Paolino
- Center for Molecular Medicine, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital Solna, 17176 Solna, Sweden; (S.G.); (J.L.); (X.L.)
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24
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Zhou XJ, Li R, Liu X, Qu YQ. Advances in deubiquitinating enzymes in lung adenocarcinoma. J Cancer 2021; 12:5573-5582. [PMID: 34405018 PMCID: PMC8364634 DOI: 10.7150/jca.56532] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 07/09/2021] [Indexed: 12/25/2022] Open
Abstract
The process of ubiquitination and deubiquitination is widely present in the human body's protein reactions and plays versatile roles in multiple diseases. Deubiquitinating enzymes (DUBs) are significant regulators of this process, which cleave the ubiquitin (Ub) moiety from various substrates and maintain protein stability. Lung adenocarcinoma (LUAD) is the most common type of non-small cell lung cancer (NSCLC) and remains refractory to treatment. To elucidate the mechanism of LUAD and advance new therapeutic targets, we review the latest research progress on DUBs in LUAD. We summarize the biological capabilities of these DUBs and further highlight those DUBs that may serve as anticancer target candidates for precision treatment. We also discuss deubiquitinase inhibitors, which are expected to play a role in targeted LUAD therapy.
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Affiliation(s)
- Xi-Jia Zhou
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University (Jinan 250012, China)
| | - Rui Li
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University (Jinan 250012, China)
| | - Xiao Liu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University (Jinan 250012, China)
| | - Yi-Qing Qu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University (Jinan 250012, China)
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25
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Tangri A, Lighty K, Loganathan J, Mesmar F, Podicheti R, Zhang C, Iwanicki M, Drapkin R, Nakshatri H, Mitra S. Deubiquitinase UCHL1 Maintains Protein Homeostasis through the PSMA7-APEH-Proteasome Axis in High-grade Serous Ovarian Carcinoma. Mol Cancer Res 2021; 19:1168-1181. [PMID: 33753553 DOI: 10.1158/1541-7786.mcr-20-0883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 02/10/2021] [Accepted: 03/17/2021] [Indexed: 11/16/2022]
Abstract
High-grade serous ovarian cancer (HGSOC) is characterized by chromosomal instability, DNA damage, oxidative stress, and high metabolic demand that exacerbate misfolded, unfolded, and damaged protein burden resulting in increased proteotoxicity. However, the underlying mechanisms that maintain protein homeostasis to promote HGSOC growth remain poorly understood. This study reports that the neuronal deubiquitinating enzyme, ubiquitin carboxyl-terminal hydrolase L1 (UCHL1), is overexpressed in HGSOC and maintains protein homeostasis. UCHL1 expression was markedly increased in HGSOC patient tumors and serous tubal intraepithelial carcinoma (HGSOC precursor lesions). High UCHL1 levels correlated with higher tumor grade and poor patient survival. UCHL1 inhibition reduced HGSOC cell proliferation and invasion, as well as significantly decreased the in vivo metastatic growth of ovarian cancer xenografts. Transcriptional profiling of UCHL1-silenced HGSOC cells revealed downregulation of genes implicated with proteasome activity along with upregulation of endoplasmic reticulum stress-induced genes. Reduced expression of proteasome subunit alpha 7 (PSMA7) and acylaminoacyl peptide hydrolase (APEH), upon silencing of UCHL1, resulted in a significant decrease in proteasome activity, impaired protein degradation, and abrogated HGSOC growth. Furthermore, the accumulation of polyubiquitinated proteins in the UCHL1-silenced cells led to attenuation of mTORC1 activity and protein synthesis, and induction of terminal unfolded protein response. Collectively, these results indicate that UCHL1 promotes HGSOC growth by mediating protein homeostasis through the PSMA7-APEH-proteasome axis. IMPLICATIONS: This study identifies the novel links in the proteostasis network to target protein homeostasis in HGSOC and recognizes the potential of inhibiting UCHL1 and APEH to sensitize cancer cells to proteotoxic stress in solid tumors.
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Affiliation(s)
- Apoorva Tangri
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Kinzie Lighty
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Jagadish Loganathan
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana
| | - Fahmi Mesmar
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana
| | - Ram Podicheti
- Center for Genomics and Bioinformatics, Indiana University, Bloomington, Indiana
| | - Chi Zhang
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana
| | - Marcin Iwanicki
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey
| | - Ronny Drapkin
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Harikrishna Nakshatri
- Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, Indiana
| | - Sumegha Mitra
- Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, Indiana.
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, Indiana
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26
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LaPlante G, Zhang W. Targeting the Ubiquitin-Proteasome System for Cancer Therapeutics by Small-Molecule Inhibitors. Cancers (Basel) 2021; 13:3079. [PMID: 34203106 PMCID: PMC8235664 DOI: 10.3390/cancers13123079] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 12/14/2022] Open
Abstract
The ubiquitin-proteasome system (UPS) is a critical regulator of cellular protein levels and activity. It is, therefore, not surprising that its dysregulation is implicated in numerous human diseases, including many types of cancer. Moreover, since cancer cells exhibit increased rates of protein turnover, their heightened dependence on the UPS makes it an attractive target for inhibition via targeted therapeutics. Indeed, the clinical application of proteasome inhibitors in treatment of multiple myeloma has been very successful, stimulating the development of small-molecule inhibitors targeting other UPS components. On the other hand, while the discovery of potent and selective chemical compounds can be both challenging and time consuming, the area of targeted protein degradation through utilization of the UPS machinery has seen promising developments in recent years. The repertoire of proteolysis-targeting chimeras (PROTACs), which employ E3 ligases for the degradation of cancer-related proteins via the proteasome, continues to grow. In this review, we will provide a thorough overview of small-molecule UPS inhibitors and highlight advancements in the development of targeted protein degradation strategies for cancer therapeutics.
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Affiliation(s)
- Gabriel LaPlante
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, 50 Stone Rd E, Guelph, ON N1G2W1, Canada;
| | - Wei Zhang
- Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, 50 Stone Rd E, Guelph, ON N1G2W1, Canada;
- CIFAR Azrieli Global Scholars Program, Canadian Institute for Advanced Research, MaRS Centre West Tower, 661 University Avenue, Toronto, ON M5G1M1, Canada
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27
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Zhu M, Xiao S. Expression profiles and prognostic values of BolA family members in ovarian cancer. J Ovarian Res 2021; 14:75. [PMID: 34078439 PMCID: PMC8170995 DOI: 10.1186/s13048-021-00821-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 05/07/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The BOLA gene family, comprising three members, is mainly involved in regulating intracellular iron homeostasis. Emerging evidence suggests that BolA family member 2 plays a vital role in tumorigenesis and hepatic cellular carcinoma progression. However, there was less known about its role in ovarian cancer. METHODS In the present study, we investigated the expression profiles, prognostic roles, and genetic alterations of three BolA family members in patients with ovarian cancer through several public databases, containing Oncomine and Gene Expression Profiling Interactive Analysis, Human Protein Atlas, Kaplan-Meier plotter and cBioPortal. Then, we constructed the protein-protein interaction networks of BOLA proteins and their interactors by using the String database and Cytoscape software. In addition, we performed the Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment by the Annotation, Visualization, and Integrated Discovery database. Finally, we explored the mechanisms underlying BolA family members' involvement in OC by using gene set enrichment analysis. RESULTS The mRNA and protein expression levels of BOLA2 and BOLA3 were heavily higher in ovarian cancer tissues than in normal ovarian tissues. Dysregulated mRNA expressions of three BolA family members were significantly associated with prognosis in overall or subgroup analysis. Moreover, genetic alterations also occurred in three BolA family members in ovarian cancer. GO analysis indicated that BolA family members might regulate the function of metal ion binding and protein disulfide oxidoreductase activity. Gene set enrichment analysis indicated that BolA family members were mainly associated with oxidative phosphorylation, proteasome, protein export, and glutathione metabolism in ovarian cancer. CONCLUSION In brief, our finding may contribute to increasing currently limited prognostic biomarkers and treatment options for ovarian cancer.
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Affiliation(s)
- Mingyang Zhu
- Department of Nursing, Shengjing Hospital of China Medical University, No.36 Sanhao Street, Shenyang, Liaoning, 110004, People's Republic of China
| | - Shiqi Xiao
- Department of Nursing, Shengjing Hospital of China Medical University, No.36 Sanhao Street, Shenyang, Liaoning, 110004, People's Republic of China.
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28
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Chen RZ, Yang F, Zhang M, Sun ZG, Zhang N. Cellular and Molecular Mechanisms of Pristimerin in Cancer Therapy: Recent Advances. Front Oncol 2021; 11:671548. [PMID: 34026649 PMCID: PMC8138054 DOI: 10.3389/fonc.2021.671548] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 04/13/2021] [Indexed: 12/11/2022] Open
Abstract
Seeking an efficient and safe approach to eliminate tumors is a common goal of medical fields. Over these years, traditional Chinese medicine has attracted growing attention in cancer treatment due to its long history. Pristimerin is a naturally occurring quinone methide triterpenoid used in traditional Chinese medicine to treat various cancers. Recent studies have identified alterations in cellular events and molecular signaling targets of cancer cells under pristimerin treatment. Pristimerin induces cell cycle arrest, apoptosis, and autophagy to exhibit anti-proliferation effects against tumors. Pristimerin also inhibits the invasion, migration, and metastasis of tumor cells via affecting cell adhesion, cytoskeleton, epithelial-mesenchymal transition, cancer stem cells, and angiogenesis. Molecular factors and pathways are associated with the anti-cancer activities of pristimerin. Furthermore, pristimerin reverses multidrug resistance of cancer cells and exerts synergizing effects with other chemotherapeutic drugs. This review aims to discuss the anti-cancer potentials of pristimerin, emphasizing multi-targeted biological and molecular regulations in cancers. Further investigations and clinical trials are warranted to understand the advantages and disadvantages of pristimerin treatment much better.
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Affiliation(s)
- Run-Ze Chen
- Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Fei Yang
- Department of Pathology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Min Zhang
- Department of Dermatology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhi-Gang Sun
- Department of Thoracic Surgery, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Nan Zhang
- Department of Oncology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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29
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Mukhamejanova Z, Tong Y, Xiang Q, Xu F, Pang J. Recent Advances in the Design and Development of Anticancer Molecules based on PROTAC Technology. Curr Med Chem 2021; 28:1304-1327. [PMID: 32164504 DOI: 10.2174/0929867327666200312112412] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 02/24/2020] [Accepted: 03/05/2020] [Indexed: 11/22/2022]
Abstract
PROTAC (Proteolysis Targeting Chimera) degraders based on protein knockdown technology are now suggested as a novel option for the treatment of various diseases. Over the last couple of years, the application of PROTAC technology has spread in a wide range of disorders, and plenty of PROTAC molecules with high potency have been reported. Mostly developing for anticancer therapy, these molecules showed high selectivities to target proteins, the ability to significantly induce degradation of oncoproteins, good in vitro and in vivo results. In this review, we summarized the recent development of PROTAC technology in the anticancer therapy field, including molecular design, types of targeted proteins, in vitro and in vivo results. Additionally, we also discuss the prospects and challenges for the application of candidates based on PROTAC strategy in clinical trials.
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Affiliation(s)
| | - Yichen Tong
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Qi Xiang
- Institute of Biomedicine & Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou 510632, China
| | - Fang Xu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, School of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jiyan Pang
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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30
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El-Kadiry AEH, Merhi Y. The Role of the Proteasome in Platelet Function. Int J Mol Sci 2021; 22:ijms22083999. [PMID: 33924425 PMCID: PMC8069084 DOI: 10.3390/ijms22083999] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/06/2021] [Accepted: 04/08/2021] [Indexed: 02/06/2023] Open
Abstract
Platelets are megakaryocyte-derived acellular fragments prepped to maintain primary hemostasis and thrombosis by preserving vascular integrity. Although they lack nuclei, platelets harbor functional genomic mediators that bolster platelet activity in a signal-specific manner by performing limited de novo protein synthesis. Furthermore, despite their limited protein synthesis, platelets are equipped with multiple protein degradation mechanisms, such as the proteasome. In nucleated cells, the functions of the proteasome are well established and primarily include proteostasis among a myriad of other signaling processes. However, the role of proteasome-mediated protein degradation in platelets remains elusive. In this review article, we recapitulate the developing literature on the functions of the proteasome in platelets, discussing its emerging regulatory role in platelet viability and function and highlighting how its functional coupling with the transcription factor NF-κB constitutes a novel potential therapeutic target in atherothrombotic diseases.
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Affiliation(s)
- Abed El-Hakim El-Kadiry
- Laboratory of Thrombosis and Hemostasis, Montreal Heart Institute, Research Centre, Montreal, QC H1T 1C8, Canada;
- Biomedical Sciences Program, Faculty of Medicine, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Yahye Merhi
- Laboratory of Thrombosis and Hemostasis, Montreal Heart Institute, Research Centre, Montreal, QC H1T 1C8, Canada;
- Biomedical Sciences Program, Faculty of Medicine, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Correspondence: ; Tel.: +1-514-376-3330
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Zhang Y, Zhu Y, Xiao M, Cheng Y, He D, Liu J, Xiang L, Gong L, Wang Z, Deng L, Cao K. The Long Non-coding RNA TMPO-AS1 Promotes Bladder Cancer Growth and Progression via OTUB1-Induced E2F1 Deubiquitination. Front Oncol 2021; 11:643163. [PMID: 33816295 PMCID: PMC8013732 DOI: 10.3389/fonc.2021.643163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 02/08/2021] [Indexed: 12/24/2022] Open
Abstract
Background: Increasing evidence indicates that long non-coding RNAs (lncRNAs) play crucial roles in cancer tumorigenesis and progression. TMPO antisense RNA 1 (TMPO-AS1) has been found to be involved in several cancers by acting as a competing endogenous RNA. However, the potential roles of TMPO-AS1 in bladder cancer (BC) and the potential interactions with proteins remain poorly understood. Methods: The expression of the lncRNA TMPO-AS1 was evaluated via bioinformatic analysis and further validated by quantitative real-time PCR (qRT-PCR). Loss- and gain-of-function assays were performed to determine the biological functions of TMPO-AS1 in BC cell proliferation, migration, and invasion. Moreover, chromatin immunoprecipitation, Western blotting, and fluorescence in situ hybridization, as well as RNA pull-down, RNA immunoprecipitation, and luciferase reporter assays, were conducted to explore the upstream and downstream molecules interacting with TMPO-AS1. Results: TMPO-AS1 is upregulated in BC. Functional experiments demonstrated that TMPO-AS1 promotes cell proliferation, migration, and invasion in BC and inhibits cell apoptosis in vivo and in vitro. Mechanically, E2F1 is responsible for TMPO-AS1 upregulation. Additionally, TMPO-AS1 facilitates the interaction of E2F1 with OTU domain-containing ubiquitin aldehyde binding 1 (OTUB1), leading to E2F1 deubiquitination and stabilization; therefore, TMPO-AS1 promotes BC malignant phenotypes. Furthermore, rescue experiments showed that TMPO-AS1 promotes BC growth in an E2F1-dependent manner. Conclusions: Our study is the first to uncover the novel TMPO-AS1/E2F1 positive regulatory loop important for the promotion of BC malignant behaviors. The TMPO-AS1/E2F1 loop should be considered in the quest for new BC therapeutic options.
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Affiliation(s)
- Yeyu Zhang
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yuxing Zhu
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Mengqing Xiao
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Yaxin Cheng
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Dong He
- Department of Respiratory, The Second People's Hospital of Hunan Province, Changsha, China
| | - Jianye Liu
- Department of Urology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Liang Xiang
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Lian Gong
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Zhanwang Wang
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Liping Deng
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Ke Cao
- Department of Oncology, The Third Xiangya Hospital of Central South University, Changsha, China
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Yang S, Tang D, Zhao YC, Liu H, Luo S, Stinchcombe TE, Glass C, Su L, Shen S, Christiani DC, Wang Q, Wei Q. Potentially functional variants of ERAP1, PSMF1 and NCF2 in the MHC-I-related pathway predict non-small cell lung cancer survival. Cancer Immunol Immunother 2021; 70:2819-2833. [PMID: 33651148 DOI: 10.1007/s00262-021-02877-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 02/01/2021] [Indexed: 01/21/2023]
Abstract
BACKGROUND Cellular immunity against tumor cells is highly dependent on antigen presentation by major histocompatibility complex class I (MHC-I) molecules. However, few published studies have investigated associations between functional variants of MHC-I-related genes and clinical outcomes of lung cancer patients. METHODS We performed a two-phase Cox proportional hazards regression analysis by using two previously published genome-wide association studies to evaluate associations between genetic variants in the MHC-I-related gene set and the survival of non-small cell lung cancer (NSCLC) patients, followed by expression quantitative trait loci analysis. RESULTS Of the 7811 single-nucleotide polymorphisms (SNPs) in 89 genes of 1185 NSCLC patients in the discovery dataset of the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial, 24 SNPs remained statistically significant after validation in additional 984 NSCLC patients from the Harvard Lung Cancer Susceptibility Study. In a multivariate stepwise Cox model, three independent functional SNPs (ERAP1 rs469783 T > C, PSMF1 rs13040574 C > A and NCF2 rs36071574 G > A) remained significant with an adjusted hazards ratio (HR) of 0.83 [95% confidence interval (CI) = 0.77-0.89, P = 8.0 × 10-7], 0.86 (0.80-0.93, P = 9.4 × 10-5) and 1.31 (1.11-1.54, P = 0.001) for overall survival (OS), respectively. Further combined genotypes revealed a poor survival in a dose-response manner in association with the number of unfavorable genotypes (Ptrend < 0.0001 and 0.0002 for OS and disease-specific survival, respectively). Also, ERAP1 rs469783C and PSMF1 rs13040574A alleles were associated with higher mRNA expression levels of their genes. CONCLUSION These potentially functional SNPs of the MHC-I-related genes may be biomarkers for NSCLC survival, possibly through modulating the expression of corresponding genes.
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Affiliation(s)
- Sen Yang
- Department of Internal Medicine, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA
- Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Dongfang Tang
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA
- Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Yu Chen Zhao
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA
- Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Hongliang Liu
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA
- Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Sheng Luo
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Thomas E Stinchcombe
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA
- Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA
| | - Carolyn Glass
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA
- Department of Pathology, Duke ©University School of Medicine, Durham, NC, 27710, USA
| | - Li Su
- Departments of Environmental Health and Department of Epidemiology, Harvard School of Public Health, Boston, MA, 02115, USA
| | - Sipeng Shen
- Departments of Environmental Health and Department of Epidemiology, Harvard School of Public Health, Boston, MA, 02115, USA
| | - David C Christiani
- Departments of Environmental Health and Department of Epidemiology, Harvard School of Public Health, Boston, MA, 02115, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Qiming Wang
- Department of Internal Medicine, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, Zhengzhou, China.
| | - Qingyi Wei
- Duke University Medical Center and Department of Population Health Sciences, Duke Cancer Institute, Duke University School of Medicine, 905 S LaSalle Street, Durham, NC, 27710, USA.
- Department of Population Health Sciences, Duke University School of Medicine, Durham, NC, 27710, USA.
- Department of Medicine, Duke University Medical Center, Durham, NC, 27710, USA.
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Ma H, Luo X, Zhou P, He N, Zhou J, Liu M, Xie W. USP21 promotes cell proliferation by maintaining the EZH2 level in diffuse large B-cell lymphoma. J Clin Lab Anal 2021; 35:e23693. [PMID: 33389794 PMCID: PMC7957995 DOI: 10.1002/jcla.23693] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Diffuse large B-cell lymphoma (DLBCL) is the most common category of non-Hodgkin lymphoma (NHL). However, the underlying molecular mechanism of DLBCL remains unclear. METHODS Real-time PCR and Western blot analysis were performed to assess the expression of ubiquitin-specific peptidase 21 (USP21) or enhancer of zeste 2 polycomb repressive complex 2 subunit (EZH2). CCK8 assay and cell death staining were carried out to examine the role of USP21 in cell proliferation and cell death, respectively. RESULTS We found that the deubiquitinase USP21 was highly expressed in the DLBCL lymphoid tissue. The expression of USP21 promoted DLBCL cell proliferation, while it had no obvious effect on cell death. In addition, we found that USP21 regulated cell proliferation via cysteine 221, the catalytic site of USP21. Furthermore, we identified that USP21 could stabilize EZH2, a protein required for germinal center formation and lymphoma formation. CONCLUSION The deubiquitinase USP21 promotes cell proliferation by maintaining the EZH2 protein level in DLBCL.
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MESH Headings
- Cell Line, Tumor
- Cell Proliferation
- Enhancer of Zeste Homolog 2 Protein/metabolism
- Gene Expression Regulation, Neoplastic
- Humans
- Kaplan-Meier Estimate
- Lymphoma, Large B-Cell, Diffuse/genetics
- Lymphoma, Large B-Cell, Diffuse/metabolism
- Lymphoma, Large B-Cell, Diffuse/mortality
- Lymphoma, Large B-Cell, Diffuse/pathology
- Ubiquitin Thiolesterase/genetics
- Ubiquitin Thiolesterase/metabolism
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Affiliation(s)
- Huixian Ma
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
| | - Xiangrui Luo
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
| | - Peng Zhou
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
| | - Na He
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
| | - Jun Zhou
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
| | - Min Liu
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
| | - Wei Xie
- Shandong Provincial Key Laboratory of Animal Resistance BiologyCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesInstitute of Biomedical SciencesShandong Normal UniversityJinanChina
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Bányai L, Trexler M, Kerekes K, Csuka O, Patthy L. Use of signals of positive and negative selection to distinguish cancer genes and passenger genes. eLife 2021; 10:e59629. [PMID: 33427197 PMCID: PMC7877913 DOI: 10.7554/elife.59629] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 01/10/2021] [Indexed: 12/14/2022] Open
Abstract
A major goal of cancer genomics is to identify all genes that play critical roles in carcinogenesis. Most approaches focused on genes positively selected for mutations that drive carcinogenesis and neglected the role of negative selection. Some studies have actually concluded that negative selection has no role in cancer evolution. We have re-examined the role of negative selection in tumor evolution through the analysis of the patterns of somatic mutations affecting the coding sequences of human genes. Our analyses have confirmed that tumor suppressor genes are positively selected for inactivating mutations, oncogenes, however, were found to display signals of both negative selection for inactivating mutations and positive selection for activating mutations. Significantly, we have identified numerous human genes that show signs of strong negative selection during tumor evolution, suggesting that their functional integrity is essential for the growth and survival of tumor cells.
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Affiliation(s)
- László Bányai
- Institute of Enzymology, Research Centre for Natural SciencesBudapestHungary
| | - Maria Trexler
- Institute of Enzymology, Research Centre for Natural SciencesBudapestHungary
| | - Krisztina Kerekes
- Institute of Enzymology, Research Centre for Natural SciencesBudapestHungary
| | - Orsolya Csuka
- Department of Pathogenetics, National Institute of OncologyBudapestHungary
| | - László Patthy
- Institute of Enzymology, Research Centre for Natural SciencesBudapestHungary
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Deng R, Guo Y, Li L, He J, Qiang Z, Zhang H, Chen R, Wang Y, Zhao X, Yu J. BAP1 suppresses prostate cancer progression by deubiquitinating and stabilizing PTEN. Mol Oncol 2021; 15:279-298. [PMID: 33155366 PMCID: PMC7782096 DOI: 10.1002/1878-0261.12844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/17/2020] [Accepted: 10/21/2020] [Indexed: 01/25/2023] Open
Abstract
Deubiquitinase BAP1 is an important tumor suppressor in several malignancies, but its functions and critical substrates in prostate cancer (PCa) remain unclear. Here, we report that the mRNA and protein expression levels of BAP1 are downregulated in clinical PCa specimens. BAP1 can physically bind to and deubiquitinate PTEN, which inhibits the ubiquitination-mediated degradation of PTEN and thus stabilizes PTEN protein. Ectopically expressed BAP1 in PCa cells increases PTEN protein level and subsequently inhibits the AKT signaling pathway, thus suppressing PCa progression. Conversely, knockdown of BAP1 in PCa cells leads to the decrease in PTEN protein level and the activation of the Akt signaling pathway, therefore promoting malignant transformation and cancer metastasis. However, these can be reversed by the re-expression of PTEN. More importantly, we found that BAP1 protein level positively correlates with PTEN in a substantial fraction of human cancers. These findings demonstrate that BAP1 is an important deubiquitinase of PTEN for its stability and the BAP1-PTEN signaling axis plays a crucial role in tumor suppression.
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Affiliation(s)
- Rong Deng
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yanmin Guo
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Lian Li
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Jianfeng He
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Zhe Qiang
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Hailong Zhang
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Ran Chen
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yanli Wang
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Xian Zhao
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
- Basic Clinical Research CenterRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Jianxiu Yu
- Department of Biochemistry and Molecular Cell BiologyState Key Laboratory of Oncogenes and Related GenesShanghai Key Laboratory of Tumor Microenvironment and InflammationShanghai Jiao Tong University School of MedicineShanghaiChina
- Basic Clinical Research CenterRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina
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Wirth M, Schick M, Keller U, Krönke J. Ubiquitination and Ubiquitin-Like Modifications in Multiple Myeloma: Biology and Therapy. Cancers (Basel) 2020; 12:cancers12123764. [PMID: 33327527 PMCID: PMC7764993 DOI: 10.3390/cancers12123764] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Multiple myeloma is a cancer of plasma cells causing bone fractures, anemia, renal insufficiency and hypercalcemia. Despite the introduction of new drugs in the past years, it still remains incurable and most patients die from the disease. Multiple myeloma cells are characterized by the production of high amounts of monoclonal antibodies. Therefore, maintaining protein homeostasis from synthesis through folding to degradation is crucial for multiple myeloma cells. While protein ubiquitination and organized degradation are typically considered critical for cellular health, an emerging strategy is to block these processes to induce cell death in disease-state cells characterized by protein over-production. Recent development of compounds that alter the ubiquitin proteasome pathway and drugs that affect ubiquitin-like modifications appear promising in both preclinically and in clinical trials. This review summarizes the impact of protein modifications such as ubiquitination and ubiquitin-like modifications in the biology of multiple myeloma and how it can be exploited to develop new effective therapies for multiple myeloma. Abstract Multiple myeloma is a genetically heterogeneous plasma cell malignancy characterized by organ damage and a massive production of (in-)complete monoclonal antibodies. Coping with protein homeostasis and post-translational regulation is therefore essential for multiple myeloma cells to survive. Furthermore, post-translational modifications such as ubiquitination and SUMOylation play key roles in essential pathways in multiple myeloma, including NFκB signaling, epigenetic regulation, as well as DNA damage repair. Drugs modulating the ubiquitin–proteasome system, such as proteasome inhibitors and thalidomide analogs, are approved and highly effective drugs in multiple myeloma. In this review, we focus on ubiquitin and ubiquitin-like modifications in the biology and current developments of new treatments for multiple myeloma.
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Affiliation(s)
- Matthias Wirth
- Department of Hematology, Oncology and Tumor Immunology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, 12203 Berlin, Germany; (M.W.); (M.S.); (U.K.)
| | - Markus Schick
- Department of Hematology, Oncology and Tumor Immunology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, 12203 Berlin, Germany; (M.W.); (M.S.); (U.K.)
| | - Ulrich Keller
- Department of Hematology, Oncology and Tumor Immunology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, 12203 Berlin, Germany; (M.W.); (M.S.); (U.K.)
- German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
- Max-Delbrück Center for Molecular Medicine, 13092 Berlin, Germany
| | - Jan Krönke
- Department of Hematology, Oncology and Tumor Immunology, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, 12203 Berlin, Germany; (M.W.); (M.S.); (U.K.)
- German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), 69120 Heidelberg, Germany
- Correspondence: ; Tel.: +49-30-450-513-538
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37
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Proteasome inhibitors attenuates mitoxantrone-triggered immunogenic cell death in prostate cancer cells. Med Oncol 2020; 37:116. [PMID: 33215275 DOI: 10.1007/s12032-020-01445-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 11/14/2020] [Indexed: 10/22/2022]
Abstract
Both mitoxantrone (MTX) and proteasome inhibitors efficiently trigger immunogenic cell death (ICD) in cancer cells. However, whether the combination of MTX and proteasome inhibitors can synergistically enhance ICD remains unknown. In this study, we showed that the proteasome inhibitors bortezomib (BZM) and carbobenzoxy-L-leucyl-L-leucyl-L-leucinal (MG132) impaired MTX-induced ICD in prostate cancer cells, as measured using ICD biomarkers and dendritic cell activation in vitro. Mice vaccinated with RM-1 mouse prostate cancer cell line treated with BZM or MG132 in combination with MTX showed enhanced tumor growth, and shortened tumor-free, and worse overall survival compared with those treated with MTX alone. In conclusion, we demonstrated that proteasome inhibitors (BZM or MG132) attenuated MTX-induced ICD, suggesting that proteasome activation was required for MTX-induced ICD.
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38
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Somarelli JA, Rupprecht G, Altunel E, Flamant EM, Rao S, Sivaraj D, Lazarides AL, Hoskinson SM, Sheth MU, Cheng S, Kim SY, Ware KE, Agarwal A, Cullen MM, Selmic LE, Everitt JI, McCall SJ, Eward C, Eward WC, Hsu DS. A Comparative Oncology Drug Discovery Pipeline to Identify and Validate New Treatments for Osteosarcoma. Cancers (Basel) 2020; 12:cancers12113335. [PMID: 33187254 PMCID: PMC7696249 DOI: 10.3390/cancers12113335] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/31/2020] [Accepted: 11/06/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Osteosarcoma is a rare bone cancer that occurs primarily in children. The discovery of new treatments for osteosarcoma and other rare cancer types has been severely limited by access to patient samples to study these often-complex diseases. Here we capitalize on naturally-occurring cancers in pet dogs to study the biology of these rare cancers. Using living cells from canine and human patients to test thousands of drugs simultaneously, we identify a unique combination of drugs that disrupts protein degradation and protein trafficking in cancer cells. This drug combination represents a promising new treatment to treat both dogs and people with osteosarcoma. Abstract Background: Osteosarcoma is a rare but aggressive bone cancer that occurs primarily in children. Like other rare cancers, treatment advances for osteosarcoma have stagnated, with little improvement in survival for the past several decades. Developing new treatments has been hampered by extensive genomic heterogeneity and limited access to patient samples to study the biology of this complex disease. Methods: To overcome these barriers, we combined the power of comparative oncology with patient-derived models of cancer and high-throughput chemical screens in a cross-species drug discovery pipeline. Results: Coupling in vitro high-throughput drug screens on low-passage and established cell lines with in vivo validation in patient-derived xenografts we identify the proteasome and CRM1 nuclear export pathways as therapeutic sensitivities in osteosarcoma, with dual inhibition of these pathways inducing synergistic cytotoxicity. Conclusions: These collective efforts provide an experimental framework and set of new tools for osteosarcoma and other rare cancers to identify and study new therapeutic vulnerabilities.
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Affiliation(s)
- Jason A. Somarelli
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
- Duke Cancer Institute, Durham, NC 27710, USA; (J.I.E.); (S.J.M.); (W.C.E.)
- Correspondence:
| | - Gabrielle Rupprecht
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Erdem Altunel
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Etienne M. Flamant
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Sneha Rao
- Department of Orthopaedics, Duke University Medical Center, Durham, NC 27710, USA; (S.R.); (A.L.L.); (S.M.H.); (M.M.C.)
| | - Dharshan Sivaraj
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Alexander L. Lazarides
- Department of Orthopaedics, Duke University Medical Center, Durham, NC 27710, USA; (S.R.); (A.L.L.); (S.M.H.); (M.M.C.)
| | - Sarah M. Hoskinson
- Department of Orthopaedics, Duke University Medical Center, Durham, NC 27710, USA; (S.R.); (A.L.L.); (S.M.H.); (M.M.C.)
| | - Maya U. Sheth
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Serene Cheng
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - So Young Kim
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC 27710, USA;
| | - Kathryn E. Ware
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Anika Agarwal
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
| | - Mark M. Cullen
- Department of Orthopaedics, Duke University Medical Center, Durham, NC 27710, USA; (S.R.); (A.L.L.); (S.M.H.); (M.M.C.)
| | - Laura E. Selmic
- College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA;
| | - Jeffrey I. Everitt
- Duke Cancer Institute, Durham, NC 27710, USA; (J.I.E.); (S.J.M.); (W.C.E.)
- Department of Pathology, Duke University Medical Center, Durham, NC 27710, USA
| | - Shannon J. McCall
- Duke Cancer Institute, Durham, NC 27710, USA; (J.I.E.); (S.J.M.); (W.C.E.)
- Department of Pathology, Duke University Medical Center, Durham, NC 27710, USA
| | - Cindy Eward
- Surgery Service, Triangle Veterinary Referral Hospital, Durham, NC 27710, USA;
| | - William C. Eward
- Duke Cancer Institute, Durham, NC 27710, USA; (J.I.E.); (S.J.M.); (W.C.E.)
- Department of Orthopaedics, Duke University Medical Center, Durham, NC 27710, USA; (S.R.); (A.L.L.); (S.M.H.); (M.M.C.)
| | - David S. Hsu
- Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA; (G.R.); (E.A.); (E.M.F.); (D.S.); (M.U.S.); (S.C.); (K.E.W.); (A.A.); (D.S.H.)
- Duke Cancer Institute, Durham, NC 27710, USA; (J.I.E.); (S.J.M.); (W.C.E.)
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Wei B, Xu L, Hui H, Sun Y, Wu J. USP9X mRNA expression predicts clinical outcome for esophageal squamous cell carcinoma treated with cisplatin-based therapy. Clin Res Hepatol Gastroenterol 2020; 44:932-938. [PMID: 31983659 DOI: 10.1016/j.clinre.2019.10.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 10/09/2019] [Accepted: 10/16/2019] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Combination therapy with cisplatin is the conventional first-line treatment in patients with locally advanced or metastatic esophageal squamous cell carcinoma (ESCC). Ubiquitin-specific protease 9X (USP9X) has been shown to be associated with resistance to chemotherapy drugs in several cancers. The purpose of this study was to explore the predictive effects of USP9X on advanced ESCC patients treated with cisplatin-based regimens. MATERIALS AND METHODS The subjects were 69 advanced ESCC patients who received first-line cisplatin-based chemotherapy or chemoradiotherapy. The quantitative real-time PCR was performed to measure USP9X mRNA expression. The correlation of USP9X expression with clinical parameters and tumor response was analyzed. The Kaplan-Meier method and Cox analysis were employed to analyze differences in overall survival (OS). RESULTS USP9X mRNA expression was positively associated with the TMN stage at initial diagnosis. Patients with low USP9X mRNA expression had a significantly higher objective response rate (57.1% vs. 17.6%, P=0.001) and longer median OS (25.0 vs. 14.0 months, P<0.001) than those with high expression in all patients or in different treatment subgroups (all P<0.05). Multivariate analysis showed that low mRNA expression of USP9X emerged as an independent prognostic factor indicating prolonged OS (hazard ratio 0.50, 95% CI 0.34-0.73; P<0.001). CONCLUSION These findings suggest that high USP9X mRNA expression predicts poor clinical efficacy and survival to cisplatin-based therapy in patients with advanced ESCC.
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Affiliation(s)
- Bin Wei
- Department of Oncology and Hematology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 223300, Huai'an, China
| | - Lijuan Xu
- Department of Oncology and Hematology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 223300, Huai'an, China
| | - Hongxia Hui
- Department of Oncology and Hematology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 223300, Huai'an, China
| | - Yuan Sun
- Department of Oncology and Hematology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 223300, Huai'an, China
| | - Jingjing Wu
- Department of Oncology and Hematology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, 223300, Huai'an, China.
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Moghadami AA, Aboutalebi Vand Beilankouhi E, Kalantary-Charvadeh A, Hamzavi M, Mosayyebi B, Sedghi H, Ghorbani Haghjo A, Nazari Soltan Ahmad S. Inhibition of USP14 induces ER stress-mediated autophagy without apoptosis in lung cancer cell line A549. Cell Stress Chaperones 2020; 25:909-917. [PMID: 32632734 PMCID: PMC7591669 DOI: 10.1007/s12192-020-01125-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 05/14/2020] [Accepted: 05/20/2020] [Indexed: 01/04/2023] Open
Abstract
Non-small cell lung cancer is the most common type of lung cancer, accounting for more than 80% of this tumor. Ubiquitin-specific protease (USP) 14 is one of the 100 deubiquitinating enzymes that is overexpressed in lung cancer and has been validated as a therapeutic target. The aim of this study is to determine whether the accumulation of ubiquitinated proteins results in endoplasmic reticulum (ER) stress-mediated autophagy. To inhibit USP-14, A549 lung cancer cells were treated with USP-14 siRNA and IU1-47 (20 μM). The protein level, mRNA expression, and cell cycle analysis were evaluated using Western blot, real-time PCR, and flow cytometry, respectively. We found that treating A549 cells with USP14 inhibitors significantly reduced the proliferation rate and induced cell cycle arrest at G2/M phase. We also found that USP14 inhibitors did not induce apoptosis but actually induced autophagy through accumulation of ubiquitinated proteins/ER stress/unfolded protein response (UPR) axis. Moreover, we have for the first time demonstrated that the USP14 inhibition induces ER stress-mediated autophagy in A549 cells by activation of c-Jun N-terminal kinase 1 (JNK1). In conclusion, the current investigation represents a new mechanism by which inhibition of USP14 triggers autophagy via ER stress-mediated UPR in A549 cells.
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Affiliation(s)
- Ali-Asghar Moghadami
- Department of Clinical Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Ashkan Kalantary-Charvadeh
- Department of Clinical Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Masoud Hamzavi
- Department of Food Science and Technology, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bashir Mosayyebi
- Department of Medical Biotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hassan Sedghi
- Department of Toxicology, Faculty of Pharmacy, Islamic Azad University, Branch, Ahar, Iran
| | - Amir Ghorbani Haghjo
- Department of Clinical Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Nazari Soltan Ahmad
- Department of Clinical Biochemistry, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Evidencing a Pancreatic Ductal Adenocarcinoma Subpopulation Sensitive to the Proteasome Inhibitor Carfilzomib. Clin Cancer Res 2020; 26:5506-5519. [DOI: 10.1158/1078-0432.ccr-20-1232] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/27/2020] [Accepted: 07/13/2020] [Indexed: 01/04/2023]
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The Ubiquitin Proteasome System in Hematological Malignancies: New Insight into Its Functional Role and Therapeutic Options. Cancers (Basel) 2020; 12:cancers12071898. [PMID: 32674429 PMCID: PMC7409207 DOI: 10.3390/cancers12071898] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/08/2020] [Accepted: 07/11/2020] [Indexed: 02/07/2023] Open
Abstract
The ubiquitin proteasome system (UPS) is the main cellular degradation machinery designed for controlling turnover of critical proteins involved in cancer pathogenesis, including hematological malignancies. UPS plays a functional role in regulating turnover of key proteins involved in cell cycle arrest, apoptosis and terminal differentiation. When deregulated, it leads to several disorders, including cancer. Several studies indicate that, in some subtypes of human hematological neoplasms such as multiple myeloma and Burkitt’s lymphoma, abnormalities in the UPS made it an attractive therapeutic target due to pro-cancer activity. In this review, we discuss the aberrant role of UPS evaluating its impact in hematological malignancies. Finally, we also review the most promising therapeutic approaches to target UPS as powerful strategies to improve treatment of blood cancers.
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Wang X, Xia S, Li H, Wang X, Li C, Chao Y, Zhang L, Han C. The deubiquitinase USP10 regulates KLF4 stability and suppresses lung tumorigenesis. Cell Death Differ 2020; 27:1747-1764. [PMID: 31748695 PMCID: PMC7244734 DOI: 10.1038/s41418-019-0458-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/04/2019] [Accepted: 11/06/2019] [Indexed: 12/30/2022] Open
Abstract
Krüppel-like factor 4 (KLF4), a key transcription factor, acts as a multifunctional player involved in the progression of numerous aggressive cancers. The proteasome-dependent pathway is one of the main modalities in controlling KLF4 abundance at a posttranslational level. Although some of the ubiquitin ligases have been identified, the deubiquitinases of KLF4 and the regulatory function remain unexplored. Here, by screening ubiquitin-specific proteases that may interact with KLF4, we found ubiquitin-specific peptidase 10 (USP10) as a deubiquitinating enzyme for KLF4. Forced expression of USP10 remarkably increases KLF4 protein level by blocking the latter degradation, whereas the depletion of USP10 promotes KLF4 degradation and thus enhances tumorigenesis. Loss of USP10 in mice downregulates KLF4 expression and accelerates KrasG12D-driven lung adenocarcinoma initiation and progression. In addition, our data revealed that KLF4 can facilitate the transcription of tumor suppressor TIMP3 by directly binding to the TIMP3 promoter. Clinically, reduction of USP10 expression, concomitant with decreased KLF4 and TIMP3 abundance in carcinoma tissue, predicts poor prognosis of lung cancer patient. Taken together, our results demonstrate that USP10 is a critical regulator of KLF4, pinpointing USP10-KLF4-TIMP3 axis as a promising therapeutic target in lung cancer.
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Affiliation(s)
- Xingyun Wang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, 116044, China
- Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, 210004, China
| | - Shilin Xia
- Clinical Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, 116027, China
| | - Hongchang Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, 100850, Beijing, China
| | - Xiang Wang
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, 116044, China
| | - Chaonan Li
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, 100850, Beijing, China
| | - Yulin Chao
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, 116044, China
| | - Lingqiang Zhang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, 100850, Beijing, China.
| | - Chuanchun Han
- Institute of Cancer Stem Cell, Dalian Medical University, Dalian, 116044, China.
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Liu YZ, Du XX, Zhao QQ, Jiao Q, Jiang H. The expression change of OTUD3-PTEN signaling axis in glioma cells. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:490. [PMID: 32395534 PMCID: PMC7210146 DOI: 10.21037/atm.2020.03.51] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Background OTU domain-containing protein 3 (OTUD3), as a deubiquitinase (DUB) belonging to the ovarian tumor protease (OTU) family, has been reported to suppress tumor via OTUD3-PTEN signaling axis. Glioma is the most common primary intracranial tumor with high invasiveness and poor prognosis. Although less than half of the patients have phosphatase and tension homologue deleted in chromosome 10 (PTEN) mutations or homozygous deletions, two-thirds of glioma possess diminished PTEN expression. Hence, it is conceivable that other obscure mechanisms may cause the decreased expression of the PTEN protein. Methods OTUD3 expression was assessed in human normal and glioma tissues at The Cancer Genome Atlas (TCGA) database (https://www.cancer.gov/) and Genotype-Tissue Expression (GTEx) database (https://commonfund.nih.gov/GTex). The mRNA levels of OTUD3 in C6 cells and primary astrocytes were detected using real-time fluorescence quantitative PCR. Western blot was performed to assay PTEN and OTUD3 protein expression in C6 cells and primary astrocytes. By generating Kaplan-Meier curves, we predicted the association between OTUD3 expression and prognosis in glioma patients. Results (I) OTUD3 transcription was markedly downregulated in glioma based on microarray data for gene expression between human gliomas and normal brain samples. (II) The mRNA levels of OTUD3 in C6 cells was significantly lower than that of in primary astrocytes. (III) The expressions of protein PTEN and OTUD3 in C6 cells were significantly decreased when compared with primary astrocytes. (IV) Glioma patients with high expression of OTUD3 had a longer survival time than patients with low expression. Conclusions Our present findings demonstrated that low expression of OTUD3 in glioma may be involved in PTEN related glioma and may contribute to patient survival.
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Affiliation(s)
- Yi-Zhen Liu
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Xi-Xun Du
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Qi-Qi Zhao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Qian Jiao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
| | - Hong Jiang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders and State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao 266071, China
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Fan Y, You G. Proteasome Inhibitors Bortezomib and Carfilzomib Stimulate the Transport Activity of Human Organic Anion Transporter 1. Mol Pharmacol 2020; 97:384-391. [PMID: 32234809 DOI: 10.1124/mol.119.118653] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/10/2020] [Indexed: 01/08/2023] Open
Abstract
Organic anion transporter 1 (OAT1), expressed at the basolateral membrane of renal proximal tubule epithelial cells, mediates the renal excretion of many clinically important drugs. Previous study in our laboratory demonstrated that ubiquitin conjugation to OAT1 leads to OAT1 internalization from the cell surface and subsequent degradation. The current study showed that the ubiquitinated OAT1 accumulated in the presence of the proteasomal inhibitors MG132 and ALLN rather than the lysosomal inhibitors leupeptin and pepstatin A, suggesting that ubiquitinated OAT1 degrades through proteasomes. Anticancer drugs bortezomib and carfilzomib target the ubiquitin-proteasome pathway. We therefore investigate the roles of bortezomib and carfilzomib in reversing the ubiquitination-induced downregulation of OAT1 expression and transport activity. We showed that bortezomib and carfilzomib extremely increased the ubiquitinated OAT1, which correlated well with an enhanced OAT1-mediated transport of p-aminohippuric acid and an enhanced OAT1 surface expression. The augmented OAT1 expression and transport activity after the treatment with bortezomib and carfilzomib resulted from a reduced rate of OAT1 degradation. Consistent with this, we found decreased 20S proteasomal activity in cells that were exposed to bortezomib and carfilzomib. In conclusion, this study identified the pathway in which ubiquitinated OAT1 degrades and unveiled a novel role of anticancer drugs bortezomib and carfilzomib in their regulation of OAT1 expression and transport activity. SIGNIFICANCE STATEMENT: Bortezomib and carfilzomib are two Food and Drug Administration-approved anticancer drugs, and proteasome is the drug target. In this study, we unveiled a new role of bortezomib and carfilzomib in enhancing OAT1 expression and transport activity by preventing the degradation of ubiquitinated OAT1 in proteasomes. This finding provides a new strategy in regulating OAT1 function that can be used to accelerate the clearance of drugs, metabolites, or toxins and reverse the decreased expression under disease conditions.
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Affiliation(s)
- Yunzhou Fan
- Department of Pharmaceutics, Rutgers, the State University of New Jersey, Piscataway, New Jersey
| | - Guofeng You
- Department of Pharmaceutics, Rutgers, the State University of New Jersey, Piscataway, New Jersey
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Zhou J, Wang T, Qiu T, Chen Z, Ma X, Zhang L, Zou J. Ubiquitin-specific protease-44 inhibits the proliferation and migration of cells via inhibition of JNK pathway in clear cell renal cell carcinoma. BMC Cancer 2020; 20:214. [PMID: 32164618 PMCID: PMC7068999 DOI: 10.1186/s12885-020-6713-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 03/03/2020] [Indexed: 01/02/2023] Open
Abstract
Background Clear cell renal cell carcinoma (ccRCC) is the most common form of adult kidney cancer. Ubiquitin-specific protease (USP)44 has been reported to be involved in various cancers. We investigated the function, role and molecular mechanism of USP44 in ccRCC. Methods Data obtained from the Cancer Genome Atlas Data Portal and Gene Expression Omnibus database were analyzed to uncover the clinical relevance of USP44 expression and tumor development. USP44 function in the proliferation and migration of tumor cells was assessed by cellular and molecular analyses using ccRCC lines (786-O cells and Caki-1 cells). Results USP44 showed low expression in ccRCC cancer tissues compared with that in normal tissue. USP44 expression was negatively correlated with tumor stage, tumor grade, and patient survival. USP44 overexpression inhibited the proliferation and migration of 786-O cells and Caki-1 cells significantly. USP44 overexpression also prohibited cell proliferation by upregulating expression of P21, downregulating cyclin-D1 expression, and inhibiting cell migration by downregulating expression of matrix metalloproteinase (MMP)2 and MMP9. USP44 knockdown enhanced the proliferation and migration of 786-O cells and Caki-1 cells. USP44 function in inhibiting the proliferation and migration of 786-O cells and Caki-1 cells was associated with phosphorylation of Jun N-terminal kinase (JNK). Conclusion USP44 may be a marker in predicting ccRCC progression. Inhibition by USP44 of the proliferation and migration of 786-O cells and Caki-1 cells is dependent upon the JNK pathway.
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Affiliation(s)
- Jiangqiao Zhou
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China
| | - Tianyu Wang
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China
| | - Tao Qiu
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China.
| | - Zhongbao Chen
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China
| | - Xiaoxiong Ma
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China
| | - Long Zhang
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China
| | - Jilin Zou
- Department of Organ Transplantation, Renmin Hospital of Wuhan University, Wuhan University, 99 ZiYang Road, Wuhan, 430060, China
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Deng L, Meng T, Chen L, Wei W, Wang P. The role of ubiquitination in tumorigenesis and targeted drug discovery. Signal Transduct Target Ther 2020; 5:11. [PMID: 32296023 PMCID: PMC7048745 DOI: 10.1038/s41392-020-0107-0] [Citation(s) in RCA: 333] [Impact Index Per Article: 83.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/12/2019] [Accepted: 12/17/2019] [Indexed: 02/08/2023] Open
Abstract
Ubiquitination, an important type of protein posttranslational modification (PTM), plays a crucial role in controlling substrate degradation and subsequently mediates the "quantity" and "quality" of various proteins, serving to ensure cell homeostasis and guarantee life activities. The regulation of ubiquitination is multifaceted and works not only at the transcriptional and posttranslational levels (phosphorylation, acetylation, methylation, etc.) but also at the protein level (activators or repressors). When regulatory mechanisms are aberrant, the altered biological processes may subsequently induce serious human diseases, especially various types of cancer. In tumorigenesis, the altered biological processes involve tumor metabolism, the immunological tumor microenvironment (TME), cancer stem cell (CSC) stemness and so on. With regard to tumor metabolism, the ubiquitination of some key proteins such as RagA, mTOR, PTEN, AKT, c-Myc and P53 significantly regulates the activity of the mTORC1, AMPK and PTEN-AKT signaling pathways. In addition, ubiquitination in the TLR, RLR and STING-dependent signaling pathways also modulates the TME. Moreover, the ubiquitination of core stem cell regulator triplets (Nanog, Oct4 and Sox2) and members of the Wnt and Hippo-YAP signaling pathways participates in the maintenance of CSC stemness. Based on the altered components, including the proteasome, E3 ligases, E1, E2 and deubiquitinases (DUBs), many molecular targeted drugs have been developed to combat cancer. Among them, small molecule inhibitors targeting the proteasome, such as bortezomib, carfilzomib, oprozomib and ixazomib, have achieved tangible success. In addition, MLN7243 and MLN4924 (targeting the E1 enzyme), Leucettamol A and CC0651 (targeting the E2 enzyme), nutlin and MI-219 (targeting the E3 enzyme), and compounds G5 and F6 (targeting DUB activity) have also shown potential in preclinical cancer treatment. In this review, we summarize the latest progress in understanding the substrates for ubiquitination and their special functions in tumor metabolism regulation, TME modulation and CSC stemness maintenance. Moreover, potential therapeutic targets for cancer are reviewed, as are the therapeutic effects of targeted drugs.
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Affiliation(s)
- Lu Deng
- College of Animal Science and Technology, Northwest A&F University, Yangling Shaanxi, 712100, China.
| | - Tong Meng
- Division of Spine, Department of Orthopedics, Tongji Hospital Affiliated to Tongji University School of Medicine, 389 Xincun Road, Shanghai, China
| | - Lei Chen
- Division of Laboratory Safety and Services, Northwest A&F University, Yangling Shaanxi, 712100, China
| | - Wenyi Wei
- Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Ping Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital of Tongji University, School of Medicine, Tongji University, Shanghai, 200092, China.
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Cheng CD, Dong YF, Niu WX, Niu CS. HAUSP promoted the growth of glioma cells in vitro and in vivo via stabilizing NANOG. Pathol Res Pract 2020; 216:152883. [PMID: 32088087 DOI: 10.1016/j.prp.2020.152883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 01/23/2020] [Accepted: 02/12/2020] [Indexed: 01/14/2023]
Abstract
OBJECTIVE To investigate the role and mechanisms of HAUSP (Herpesvirus Associated Ubiquitin Specific Protease) and NANOG in pathogenesis of malignant human gliomas progression. METHODS Lentivirus-mediated HAUSP over-expression and RNAiHAUSP mediated HAUSP down-regulation were established in the glioma cells (U87 and U251 cell lines). Firstly, Real-time qPCR, western-blot (WB) and immunofluorescence staining were performed to detect mRNA levels, protein expressions and deposition of HAUSP and NANOG in the glioma cells, respectively. Then cell proliferation, invasion, apoptosis and xenograft tumor growth in nude mice were assessed by using cell counting kit-8 (CCK-8) assay, transwell assay, flow cytometry (FCM) and Hematoxylin-Eosin (HE) staining. RESULTS We first demonstrated HAUSP was significantly increased in lentivirus- mediated HAUSP over-expression cells compared to the Control group. HAUSP over-expression could upregulate genes involved in proliferation and invasion such as NANOG. However, the mRNA of NANOG had no significant changes. Similarly, in RNAiHAUSP mediated HAUSP down-regulation group, HAUSP were significantly decreased compared to the Control group. Simultaneously, NANOG protein were decreased significantly, which decreased the proliferation and invasion, increased the apoptosis rate of glioma cells. Finally, low expression of HAUSP could suppress xenograft tumors growth in nude mice in different periods. CONCLUSION This study revealed that HAUSP-NANOG pathway is a key target to inhibit glioma cells proliferation, and NANOG play important role in the formation and evolution of glioma cells. The regulation of HAUSP could change the biological activity of glioma cells through regulate NANOG expression.
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Affiliation(s)
- Chuan-Dong Cheng
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, PR China; University of Science and Technology of China, Hefei, Anhui 230036, PR China; Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230036, PR China; Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei, Anhui 230031, PR China
| | - Yong-Fei Dong
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230036, PR China; Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei, Anhui 230031, PR China
| | - Wan-Xiang Niu
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230036, PR China; Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei, Anhui 230031, PR China
| | - Chao-Shi Niu
- Department of Neurosurgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui 230036, PR China; Anhui Province Key Laboratory of Brain Function and Brain Disease, Hefei, Anhui 230031, PR China.
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Inhibition of the deubiquitinase USP10 induces degradation of SYK. Br J Cancer 2020; 122:1175-1184. [PMID: 32015510 PMCID: PMC7156412 DOI: 10.1038/s41416-020-0731-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 10/29/2019] [Indexed: 12/13/2022] Open
Abstract
Background There is growing evidence that spleen tyrosine kinase (SYK) is critical for acute myeloid leukaemia (AML) transformation and maintenance of the leukemic clone in AML patients. It has also been found to be over-expressed in AML patients, with activating mutations in foetal liver tyrosine kinase 3 (FLT3), particularly those with internal tandem duplications (FLT3-ITD), where it transactivates FLT3-ITD and confers resistance to treatment with FLT3 tyrosine kinase inhibitors (TKIs). Methods We have previously described a pharmacological approach to treating FLT3-ITD-positive AML that relies on proteasome-mediated FLT3 degradation via inhibition of USP10, the deubiquitinating enzyme (DUB) responsible for cleaving ubiquitin from FLT3. Results Here, we show that USP10 is also a major DUB required for stabilisation of SYK. We further demonstrate that degradation of SYK can be induced by USP10-targeting inhibitors. USP10 inhibition leads to death of cells driven by active SYK or oncogenic FLT3 and potentiates the anti-leukemic effects of FLT3 inhibition in these cells. Conclusions We suggest that USP10 inhibition is a novel approach to inhibiting SYK and impeding its role in the pathology of AML, including oncogenic FLT3-positive AML. Also, given the significant transforming role SYK in other tumours, targeting USP10 may have broader applications in cancer.
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Wang Y, Jiang X, Feng F, Liu W, Sun H. Degradation of proteins by PROTACs and other strategies. Acta Pharm Sin B 2020; 10:207-238. [PMID: 32082969 PMCID: PMC7016280 DOI: 10.1016/j.apsb.2019.08.001] [Citation(s) in RCA: 165] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/19/2019] [Accepted: 07/30/2019] [Indexed: 12/13/2022] Open
Abstract
Blocking the biological functions of scaffold proteins and aggregated proteins is a challenging goal. PROTAC proteolysis-targeting chimaera (PROTAC) technology may be the solution, considering its ability to selectively degrade target proteins. Recent progress in the PROTAC strategy include identification of the structure of the first ternary eutectic complex, extra-terminal domain-4-PROTAC-Von-Hippel-Lindau (BRD4-PROTAC-VHL), and PROTAC ARV-110 has entered clinical trials for the treatment of prostate cancer in 2019. These discoveries strongly proved the value of the PROTAC strategy. In this perspective, we summarized recent meaningful research of PROTAC, including the types of degradation proteins, preliminary biological data in vitro and in vivo, and new E3 ubiquitin ligases. Importantly, the molecular design, optimization strategy and clinical application of candidate molecules are highlighted in detail. Future perspectives for development of advanced PROTAC in medical fields have also been discussed systematically.
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Affiliation(s)
- Yang Wang
- Department of Pharmaceutical Analysis, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China
| | - Xueyang Jiang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Feng Feng
- Jiangsu Food and Pharmaceutical Science College, Huaian 223003, China
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
| | - Wenyuan Liu
- Department of Pharmaceutical Analysis, Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China
| | - Haopeng Sun
- Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 211198, China
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