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Wang Y, Yan D, Liu J, Tang D, Chen X. Protein modification and degradation in ferroptosis. Redox Biol 2024; 75:103259. [PMID: 38955112 PMCID: PMC11267077 DOI: 10.1016/j.redox.2024.103259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/04/2024] Open
Abstract
Ferroptosis is a form of iron-related oxidative cell death governed by an integrated redox system, encompassing pro-oxidative proteins and antioxidative proteins. These proteins undergo precise control through diverse post-translational modifications, including ubiquitination, phosphorylation, acetylation, O-GlcNAcylation, SUMOylation, methylation, N-myristoylation, palmitoylation, and oxidative modification. These modifications play pivotal roles in regulating protein stability, activity, localization, and interactions, ultimately influencing both the buildup of iron and lipid peroxidation. In mammalian cells, regulators of ferroptosis typically undergo degradation via two principal pathways: the ubiquitin-proteasome system, which handles the majority of protein degradation, and autophagy, primarily targeting long-lived or aggregated proteins. This comprehensive review aims to summarize recent advances in the post-translational modification and degradation of proteins linked to ferroptosis. It also discusses strategies for modulating ferroptosis through protein modification and degradation systems, providing new insights into potential therapeutic applications for both cancer and non-neoplastic diseases.
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Affiliation(s)
- Yuan Wang
- Key Laboratory of Biological Targeting Diagnosis, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China; State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Ding Yan
- Key Laboratory of Biological Targeting Diagnosis, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China; State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jinbao Liu
- Key Laboratory of Biological Targeting Diagnosis, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China; State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China; Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 511436, China
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, 75390, USA.
| | - Xin Chen
- Key Laboratory of Biological Targeting Diagnosis, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation, Therapy and Rehabilitation of Guangdong Higher Education Institutes, The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, China; State Key Laboratory of Respiratory Disease, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.
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2
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Berndt C, Alborzinia H, Amen VS, Ayton S, Barayeu U, Bartelt A, Bayir H, Bebber CM, Birsoy K, Böttcher JP, Brabletz S, Brabletz T, Brown AR, Brüne B, Bulli G, Bruneau A, Chen Q, DeNicola GM, Dick TP, Distéfano A, Dixon SJ, Engler JB, Esser-von Bieren J, Fedorova M, Friedmann Angeli JP, Friese MA, Fuhrmann DC, García-Sáez AJ, Garbowicz K, Götz M, Gu W, Hammerich L, Hassannia B, Jiang X, Jeridi A, Kang YP, Kagan VE, Konrad DB, Kotschi S, Lei P, Le Tertre M, Lev S, Liang D, Linkermann A, Lohr C, Lorenz S, Luedde T, Methner A, Michalke B, Milton AV, Min J, Mishima E, Müller S, Motohashi H, Muckenthaler MU, Murakami S, Olzmann JA, Pagnussat G, Pan Z, Papagiannakopoulos T, Pedrera Puentes L, Pratt DA, Proneth B, Ramsauer L, Rodriguez R, Saito Y, Schmidt F, Schmitt C, Schulze A, Schwab A, Schwantes A, Soula M, Spitzlberger B, Stockwell BR, Thewes L, Thorn-Seshold O, Toyokuni S, Tonnus W, Trumpp A, Vandenabeele P, Vanden Berghe T, Venkataramani V, Vogel FCE, von Karstedt S, Wang F, Westermann F, Wientjens C, Wilhelm C, Wölk M, Wu K, Yang X, Yu F, Zou Y, Conrad M. Ferroptosis in health and disease. Redox Biol 2024; 75:103211. [PMID: 38908072 PMCID: PMC11253697 DOI: 10.1016/j.redox.2024.103211] [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: 03/21/2024] [Revised: 05/24/2024] [Accepted: 05/24/2024] [Indexed: 06/24/2024] Open
Abstract
Ferroptosis is a pervasive non-apoptotic form of cell death highly relevant in various degenerative diseases and malignancies. The hallmark of ferroptosis is uncontrolled and overwhelming peroxidation of polyunsaturated fatty acids contained in membrane phospholipids, which eventually leads to rupture of the plasma membrane. Ferroptosis is unique in that it is essentially a spontaneous, uncatalyzed chemical process based on perturbed iron and redox homeostasis contributing to the cell death process, but that it is nonetheless modulated by many metabolic nodes that impinge on the cells' susceptibility to ferroptosis. Among the various nodes affecting ferroptosis sensitivity, several have emerged as promising candidates for pharmacological intervention, rendering ferroptosis-related proteins attractive targets for the treatment of numerous currently incurable diseases. Herein, the current members of a Germany-wide research consortium focusing on ferroptosis research, as well as key external experts in ferroptosis who have made seminal contributions to this rapidly growing and exciting field of research, have gathered to provide a comprehensive, state-of-the-art review on ferroptosis. Specific topics include: basic mechanisms, in vivo relevance, specialized methodologies, chemical and pharmacological tools, and the potential contribution of ferroptosis to disease etiopathology and progression. We hope that this article will not only provide established scientists and newcomers to the field with an overview of the multiple facets of ferroptosis, but also encourage additional efforts to characterize further molecular pathways modulating ferroptosis, with the ultimate goal to develop novel pharmacotherapies to tackle the various diseases associated with - or caused by - ferroptosis.
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Affiliation(s)
- Carsten Berndt
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Hamed Alborzinia
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM GGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Vera Skafar Amen
- Rudolf Virchow Zentrum, Center for Integrative and Translational Bioimaging - University of Würzburg, Germany
| | - Scott Ayton
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Australia
| | - Uladzimir Barayeu
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ) Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120, Heidelberg, Germany; Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Alexander Bartelt
- Institute for Cardiovascular Prevention (IPEK), Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany; Institute for Diabetes and Cancer (IDC), Helmholtz Center Munich, Neuherberg, Germany; German Center for Cardiovascular Research, Partner Site Munich Heart Alliance, Munich, Germany
| | - Hülya Bayir
- Department of Pediatrics, Columbia University, New York City, NY, USA
| | - Christina M Bebber
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Cologne, Germany; CECAD Cluster of Excellence, University of Cologne, Cologne, Germany
| | - Kivanc Birsoy
- Laboratory of Metabolic Regulation and Genetics, Rockefeller University, New York City, NY, USA
| | - Jan P Böttcher
- Institute of Molecular Immunology, School of Medicine, Technical University of Munich (TUM), Germany
| | - Simone Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Germany
| | - Thomas Brabletz
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Germany
| | - Ashley R Brown
- Department of Biological Sciences, Columbia University, New York City, NY, USA
| | - Bernhard Brüne
- Institute of Biochemistry1-Pathobiochemistry, Goethe-Universität, Frankfurt Am Main, Germany
| | - Giorgia Bulli
- Department of Physiological Genomics, Ludwig-Maximilians-University, Munich, Germany
| | - Alix Bruneau
- Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
| | - Quan Chen
- College of Life Sciences, Nankai University, Tianjin, China
| | - Gina M DeNicola
- Department of Metabolism and Physiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Tobias P Dick
- Division of Redox Regulation, DKFZ-ZMBH Alliance, German Cancer Research Center (DKFZ) Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, 69120, Heidelberg, Germany
| | - Ayelén Distéfano
- Instituto de Investigaciones Biológicas, CONICET, National University of Mar Del Plata, Argentina
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Jan B Engler
- Institute of Neuroimmunology and Multiple Sclerosis, University Medical Center Hamburg-Eppendorf, Germany
| | | | - Maria Fedorova
- Center of Membrane Biochemistry and Lipid Research, University Hospital Carl Gustav Carus and Faculty of Medicine of TU Dresden, Germany
| | - José Pedro Friedmann Angeli
- Rudolf Virchow Zentrum, Center for Integrative and Translational Bioimaging - University of Würzburg, Germany
| | - Manuel A Friese
- Institute of Neuroimmunology and Multiple Sclerosis, University Medical Center Hamburg-Eppendorf, Germany
| | - Dominic C Fuhrmann
- Institute of Biochemistry1-Pathobiochemistry, Goethe-Universität, Frankfurt Am Main, Germany
| | - Ana J García-Sáez
- Institute for Genetics, CECAD, University of Cologne, Germany; Max Planck Institute of Biophysics, Frankfurt/Main, Germany
| | | | - Magdalena Götz
- Department of Physiological Genomics, Ludwig-Maximilians-University, Munich, Germany; Institute of Stem Cell Research, Helmholtz Center Munich, Germany
| | - Wei Gu
- Institute for Cancer Genetics, And Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA; Department of Pathology and Cell Biology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Linda Hammerich
- Department of Hepatology and Gastroenterology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum (CVK) and Campus Charité Mitte (CCM), Berlin, Germany
| | | | - Xuejun Jiang
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Aicha Jeridi
- Institute of Lung Health and Immunity (LHI), Helmholtz Munich, Comprehensive Pneumology Center (CPC-M), Germany, Member of the German Center for Lung Research (DZL)
| | - Yun Pyo Kang
- College of Pharmacy and Research Institute of Pharmaceutical Science, Seoul National University, Republic of Korea
| | | | - David B Konrad
- Department of Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Stefan Kotschi
- Institute for Cardiovascular Prevention (IPEK), Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Peng Lei
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Marlène Le Tertre
- Center for Translational Biomedical Iron Research, Heidelberg University, Germany
| | - Sima Lev
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Deguang Liang
- Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York City, NY, USA
| | - Andreas Linkermann
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Germany; Division of Nephrology, Department of Medicine, Albert Einstein College of Medicine, New York, NY, USA
| | - Carolin Lohr
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Svenja Lorenz
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany
| | - Tom Luedde
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Axel Methner
- Institute of Molecular Medicine, Johannes Gutenberg-Universität Mainz, Germany
| | - Bernhard Michalke
- Research Unit Analytical Biogeochemistry, Helmholtz Center Munich, Germany
| | - Anna V Milton
- Department of Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Junxia Min
- School of Medicine, Zhejiang University, Hangzhou, China
| | - Eikan Mishima
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany
| | | | - Hozumi Motohashi
- Department of Gene Expression Regulation, Tohoku University, Sendai, Japan
| | | | - Shohei Murakami
- Department of Gene Expression Regulation, Tohoku University, Sendai, Japan
| | - James A Olzmann
- Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA; Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA, USA; Chan Zuckerberg Biohub, San Francisco, CA, USA
| | - Gabriela Pagnussat
- Instituto de Investigaciones Biológicas, CONICET, National University of Mar Del Plata, Argentina
| | - Zijan Pan
- School of Life Sciences, Westlake University, Hangzhou, China
| | | | | | - Derek A Pratt
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Canada
| | - Bettina Proneth
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany
| | - Lukas Ramsauer
- Institute of Molecular Immunology, School of Medicine, Technical University of Munich (TUM), Germany
| | | | - Yoshiro Saito
- Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Felix Schmidt
- Institute of Molecular Medicine, Johannes Gutenberg-Universität Mainz, Germany
| | - Carina Schmitt
- Department of Pharmacy, Ludwig-Maximilians-University, Munich, Germany
| | - Almut Schulze
- Division of Tumour Metabolism and Microenvironment, DKFZ Heidelberg and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Annemarie Schwab
- Department of Experimental Medicine 1, Nikolaus-Fiebiger Center for Molecular Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, Germany
| | - Anna Schwantes
- Institute of Biochemistry1-Pathobiochemistry, Goethe-Universität, Frankfurt Am Main, Germany
| | - Mariluz Soula
- Laboratory of Metabolic Regulation and Genetics, Rockefeller University, New York City, NY, USA
| | - Benedikt Spitzlberger
- Department of Immunobiology, Université de Lausanne, Switzerland; Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, Munich, Germany
| | - Brent R Stockwell
- Department of Biological Sciences, Columbia University, New York City, NY, USA; Department of Pathology and Cell Biology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA; Department of Chemistry, Columbia University, New York, NY, USA
| | - Leonie Thewes
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | | | - Shinya Toyokuni
- Department of Pathology and Biological Responses, Nagoya University Graduate School of Medicine, Nagoya, Japan; Center for Low-temperature Plasma Sciences, Nagoya University, Nagoya, Japan; Center for Integrated Sciences of Low-temperature Plasma Core Research (iPlasma Core), Tokai National Higher Education and Research System, Nagoya, Japan
| | - Wulf Tonnus
- Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Germany
| | - Andreas Trumpp
- Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM GGmbH), Heidelberg, Germany; Division of Stem Cells and Cancer, German Cancer Research Center (DKFZ) and DKFZ-ZMBH Alliance, Heidelberg, Germany; German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Peter Vandenabeele
- VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Tom Vanden Berghe
- Department of Biomedical Sciences, University of Antwerp, Belgium; VIB-UGent Center for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Vivek Venkataramani
- Comprehensive Cancer Center Mainfranken, University Hospital Würzburg, Germany
| | - Felix C E Vogel
- Division of Tumour Metabolism and Microenvironment, DKFZ Heidelberg and DKFZ-ZMBH Alliance, Heidelberg, Germany
| | - Silvia von Karstedt
- University of Cologne, Faculty of Medicine and University Hospital Cologne, Department of Translational Genomics, Cologne, Germany; CECAD Cluster of Excellence, University of Cologne, Cologne, Germany; University of Cologne, Faculty of Medicine and University Hospital Cologne, Center for Molecular Medicine Cologne, Germany
| | - Fudi Wang
- School of Medicine, Zhejiang University, Hangzhou, China
| | | | - Chantal Wientjens
- Immunopathology Unit, Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University Hospital Bonn, University of Bonn, Germany
| | - Christoph Wilhelm
- Immunopathology Unit, Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University Hospital Bonn, University of Bonn, Germany
| | - Michele Wölk
- Center of Membrane Biochemistry and Lipid Research, University Hospital Carl Gustav Carus and Faculty of Medicine of TU Dresden, Germany
| | - Katherine Wu
- Department of Pathology, Grossman School of Medicine, New York University, NY, USA
| | - Xin Yang
- Institute for Cancer Genetics, And Herbert Irving Comprehensive Cancer Center, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, USA
| | - Fan Yu
- College of Life Sciences, Nankai University, Tianjin, China
| | - Yilong Zou
- School of Life Sciences, Westlake University, Hangzhou, China; Westlake Four-Dimensional Dynamic Metabolomics (Meta4D) Laboratory, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, China
| | - Marcus Conrad
- Institute of Metabolism and Cell Death, Helmholtz Center Munich, Germany.
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Li J, Chen D, Suo J, Li J, Zhang Y, Wang Y, Deng Z, Zhang Q, Ma B. Triptolide induced spermatogenesis dysfunction via ferroptosis activation by promoting K63-linked GPX4 polyubiquitination in spermatocytes. Chem Biol Interact 2024; 399:111130. [PMID: 38960301 DOI: 10.1016/j.cbi.2024.111130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/19/2024] [Accepted: 07/01/2024] [Indexed: 07/05/2024]
Abstract
Triptolide (TP) is a major bioactive compound derived from Tripterygium wilfordii Hook. F. (TwHF) known for its medicinal properties, but it also exhibits potential toxic effects. It has been demonstrated to induce severe male reproductive toxicity, yet the precise mechanism behind this remains unclear, which limits its broad clinical application. This study aimed to investigate the mechanisms underlying testicular damage and spermatogenesis dysfunction induced by TP in mice, using both mouse models and the spermatocyte-derived cell line GC-2spd. In the present study, it was found that TP displayed significant testicular microstructure damaged and spermatogenesis defects including lower concentration and abnormal morphology by promoting ROS formation, MDA production and restraining GSH level, glutathione peroxidase 4 (GPX4) expression in vivo. Furthermore, Ferrostatin-1 (FER-1), a ferroptosis inhibitor, was found to significantly reduce the accumulation of lipid peroxidation, alleviate testicular microstructural damage, and enhance spermatogenic function in mice. Besides, notably decreased cell viability, collapsed mitochondrial membrane potential, and elevated DNA damage were observed in vitro. The above-mentioned phenomenon could be reversed by pre-treatment of FER-1, indicating that ferroptosis participated in the TP-mediated spermatogenesis dysfunction. Mechanistically, TP could enhance GPX4 ubiquitin degradation via triggering K63-linked polyubiquitination of GPX4, thereby stimulating ferroptosis in spermatocytes. Functionally, GPX4 deletion intensified ferroptosis and exacerbated DNA damage in GC-2 cells, while GPX4 overexpression mitigated ferroptosis induced by TP. Overall, these findings for the first time indicated a vital role of ferroptosis in TP induced-testicular injury and spermatogenic dysfunction through promoting GPX4 K63-linked polyubiquitination, which hopefully offers a potential therapeutic avenue for TP-related male reproductive damage. In addition, this study also provides a theoretical foundation for the improved clinical application of TP or TwHF in the future.
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Affiliation(s)
- Jiaqi Li
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Dezhi Chen
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Jialiang Suo
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Jiaqi Li
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Yimu Zhang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Yu Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Zhewen Deng
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China
| | - Qi Zhang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China.
| | - Bo Ma
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 210009, People's Republic of China.
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Cheng J, Xu L, Xuan Y, Zhou F, Huang A, Zeng S, Wang H, Wang Y, Zhan Y, Yan X, Luo S, Liu Y, Cheng M. Linear polyubiquitylation of Gli protein regulates its protein stability and facilitates tumor growth in colorectal cancer. Cell Death Discov 2024; 10:369. [PMID: 39164252 PMCID: PMC11335874 DOI: 10.1038/s41420-024-02147-4] [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: 08/02/2024] [Accepted: 08/12/2024] [Indexed: 08/22/2024] Open
Abstract
The linear ubiquitin chain assembly complex (LUBAC) mediates the linear ubiquitination of various proteins and is involved in NF-κB signaling and immune regulation. However, the function and mechanism of linear ubiquitination in regulating oncogenic signaling and tumor growth have remained poorly understood. Herein, we identified Gli proteins, key transcription factors in the Hedgehog (Hh) signaling pathway, as novel substrates of LUBAC. Linear ubiquitination stabilizes Gli proteins, leading to the noncanonical activation of Hh signaling in CRC cells. Furthermore, LUBAC facilitates tumor growth in CRC cells. Additionally, elevated expression of LUBAC components in CRC tissues was observed, and higher expression levels of these components correlated with poor prognosis in CRC patients. Interestingly, inhibition of LUBAC using either a small molecule agonist or RNA silencing specifically suppressed cell growth in CRC cells but had no effect on normal intestinal cells. Taken together, aberrant expression of LUBAC components activates Hh signaling noncanonically by mediating linear ubiquitination, promoting tumor growth in CRC, demonstrating the novel function of linear ubiquitination in regulating the protein stability of its substrates and highlighting the potential of targeting LUBAC as a therapeutic strategy in CRC.
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Affiliation(s)
- Junyao Cheng
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Provincial Key Laboratory of Respiratory Diseases, Jiangxi Institute of Respiratory Diseases, The Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Linlin Xu
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Provincial Key Laboratory for Precision Pathology and Intelligent Diagnosis, Department of Pathology and Institute of Molecular Pathology, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yanlu Xuan
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Provincial Key Laboratory of Respiratory Diseases, Jiangxi Institute of Respiratory Diseases, The Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Feifei Zhou
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Aidi Huang
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Provincial Key Laboratory for Precision Pathology and Intelligent Diagnosis, Department of Pathology and Institute of Molecular Pathology, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Shaopeng Zeng
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Hailong Wang
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Medical Innovation Centre, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yiting Wang
- Department of Oncology, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yuan Zhan
- Jiangxi Provincial Key Laboratory for Precision Pathology and Intelligent Diagnosis, Department of Pathology and Institute of Molecular Pathology, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Xiaohua Yan
- The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, School of Basic Medical Sciences, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Shiwen Luo
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
- Jiangxi Provincial Key Laboratory for Precision Pathology and Intelligent Diagnosis, Department of Pathology and Institute of Molecular Pathology, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yuan Liu
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China.
| | - Minzhang Cheng
- Center for Experimental Medicine, The MOE Basic Research and Innovation Center for the Targeted Therapeutics of Solid Tumors, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China.
- Jiangxi Provincial Key Laboratory of Respiratory Diseases, Jiangxi Institute of Respiratory Diseases, The Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China.
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Sheng C, Yao C, Wang J, Mao Y, Fu L, Chen S. Cyclophilin J limits linear ubiquitin signaling and controls colorectal cancer progression. J Biol Chem 2024; 300:107610. [PMID: 39074635 DOI: 10.1016/j.jbc.2024.107610] [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: 01/10/2024] [Revised: 07/04/2024] [Accepted: 07/16/2024] [Indexed: 07/31/2024] Open
Abstract
Exorbitant sustained inflammation is closely linked to inflammation-associated disorders, including cancer. The initiation of gastrointestinal cancers such as colorectal cancer is frequently accelerated by uncontrollable chronic inflammation which is triggered by excessive activation of nuclear factor kappa-B (NF-κB) signaling. Linear ubiquitin chains play an important role in activating canonical NF-κB pathway. The only known E3 complex, linear ubiquitin chain assembly complex is responsible for the synthesis of linear ubiquitin chains, thus leading to the activation of NF-κB axis and promoting the development of inflammation and inflammation-associated cancers. We report here cyclophilin J (CYPJ) which is a negative regulator of the linear ubiquitin chain assembly complex. The N terminus of CYPJ binds to the second Npl4 zinc finger (NZF) domain of HOIL-1-interacting protein and the ubiquitin-like domain of Shank-associated RH domain-interacting protein to disrupt the interaction between HOIL-1-interacting protein and Shank-associated RH domain-interacting protein and thus restrains linear ubiquitin chain synthesis and NF-κB activation. Cypj-deficient mice are highly susceptible to dextran sulfate sodium-induced colitis and dextran sulfate sodium plus azoxymethane-induced colon cancer. Moreover, CYPJ expression is induced by hypoxia. Patients with high expression of both CYPJ and hypoxia-inducible factor-1α have longer overall survival and progression-free survival. These results implicate CYPJ as an unexpected robust attenuator of inflammation-driven tumorigenesis that exerts its effects by controlling linear ubiquitin chain synthesis in NF-κB signal pathway.
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Affiliation(s)
- Chunjie Sheng
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, PR China.
| | - Chen Yao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, PR China
| | - Jing Wang
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, PR China
| | - Yizhi Mao
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, PR China
| | - Lingyi Fu
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, PR China
| | - Shuai Chen
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, PR China.
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6
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Luan Y, Long W, Dai L, Tao P, Deng Z, Xia Z. Linear ubiquitination regulates the KSHV replication and transcription activator protein to control infection. Nat Commun 2024; 15:5515. [PMID: 38951495 PMCID: PMC11217414 DOI: 10.1038/s41467-024-49887-6] [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: 11/19/2023] [Accepted: 06/21/2024] [Indexed: 07/03/2024] Open
Abstract
Like many other viruses, KSHV has two life cycle modes: the latent phase and the lytic phase. The RTA protein from KSHV is essential for lytic reactivation, but how this protein's activity is regulated is not fully understood. Here, we report that linear ubiquitination regulates the activity of RTA during KSHV lytic reactivation and de novo infection. Overexpressing OTULIN inhibits KSHV lytic reactivation, whereas knocking down OTULIN or overexpressing HOIP enhances it. Intriguingly, we found that RTA is linearly polyubiquitinated by HOIP at K516 and K518, and these modifications control the RTA's nuclear localization. OTULIN removes linear polyubiquitin chains from cytoplasmic RTA, preventing its nuclear import. The RTA orthologs encoded by the EB and MHV68 viruses are also linearly polyubiquitinated and regulated by OTULIN. Our study establishes that linear polyubiquitination plays a critically regulatory role in herpesvirus infection, adding virus infection to the list of biological processes known to be controlled by linear polyubiquitination.
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Affiliation(s)
- Yi Luan
- Clinical Systems Biology Laboratories, Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Institute of Infection and Immunity, Henan Academy of Innovations in Medical Science, Zhengzhou, China
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wenying Long
- Center for Clinical Research, the Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, Yiwu, Zhejiang, China
| | - Lisi Dai
- Department of Pathology & Pathophysiology of Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Surgical Oncology of Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- School of Basic Medical Sciences, Zhejiang University, Hangzhou, Zhejiang, China
| | - Panfeng Tao
- Life Sciences Institute, Zhejiang University, Hangzhou, Zhejiang, China
| | - Zhifen Deng
- Clinical Systems Biology Laboratories, Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Institute of Infection and Immunity, Henan Academy of Innovations in Medical Science, Zhengzhou, China
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zongping Xia
- Clinical Systems Biology Laboratories, Translational Medicine Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
- Institute of Infection and Immunity, Henan Academy of Innovations in Medical Science, Zhengzhou, China.
- Department of Neurology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
- NHC Key Laboratory of Prevention and Treatment of Cerebrovascular Diseases, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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7
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Din MAU, Lin Y, Wang N, Wang B, Mao F. Ferroptosis and the ubiquitin-proteasome system: exploring treatment targets in cancer. Front Pharmacol 2024; 15:1383203. [PMID: 38666028 PMCID: PMC11043542 DOI: 10.3389/fphar.2024.1383203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/02/2024] [Indexed: 04/28/2024] Open
Abstract
Ferroptosis is an emerging mode of programmed cell death fueled by iron buildup and lipid peroxidation. Recent evidence points to the function of ferroptosis in the aetiology and development of cancer and other disorders. Consequently, harnessing iron death for disease treatment has diverted the interest of the researchers in the field of basic and clinical research. The ubiquitin-proteasome system (UPS) represents a primary protein degradation pathway in eukaryotes. It involves labelling proteins to be degraded by ubiquitin (Ub), followed by recognition and degradation by the proteasome. Dysfunction of the UPS can contribute to diverse pathological processes, emphasizing the importance of maintaining organismal homeostasis. The regulation of protein stability is a critical component of the intricate molecular mechanism underlying iron death. Moreover, the intricate involvement of the UPS in regulating iron death-related molecules and signaling pathways, providing valuable insights for targeted treatment strategies. Besides, it highlights the potential of ferroptosis as a promising target for cancer therapy, emphasizing the combination between ferroptosis and the UPS. The molecular mechanisms underlying ferroptosis, including key regulators such as glutathione peroxidase 4 (GPX4), cysteine/glutamate transporter (system XC-), and iron metabolism, are thoroughly examined, alongside the role of the UPS in modulating the abundance and activity of crucial proteins for ferroptotic cell death, such as GPX4, and nuclear factor erythroid 2-related factor 2 (NRF2). As a pivotal regulatory system for macromolecular homeostasis, the UPS substantially impacts ferroptosis by directly or indirectly modulating iron death-related molecules or associated signaling pathways. This review explores the involvement of the UPS in regulating iron death-related molecules and signaling pathways, providing valuable insights for the targeted treatment of diseases associated with ferroptosis.
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Affiliation(s)
- Muhammad Azhar Ud Din
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine Jiangsu University, Zhenjiang, Jiangsu, China
- Department of Laboratory Medicine, Lianyungang Clinical College, Jiangsu University, Lianyungang, Jiangsu, China
| | - Yan Lin
- The People’s Hospital of Danyang, Affiliated Danyang Hospital of Nantong University, Zhenjiang, Jiangsu, China
| | - Naijian Wang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine Jiangsu University, Zhenjiang, Jiangsu, China
| | - Bo Wang
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine Jiangsu University, Zhenjiang, Jiangsu, China
| | - Fei Mao
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine Jiangsu University, Zhenjiang, Jiangsu, China
- Department of Laboratory Medicine, Lianyungang Clinical College, Jiangsu University, Lianyungang, Jiangsu, China
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8
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Sheng X, Xia Z, Yang H, Hu R. The ubiquitin codes in cellular stress responses. Protein Cell 2024; 15:157-190. [PMID: 37470788 PMCID: PMC10903993 DOI: 10.1093/procel/pwad045] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/04/2023] [Indexed: 07/21/2023] Open
Abstract
Ubiquitination/ubiquitylation, one of the most fundamental post-translational modifications, regulates almost every critical cellular process in eukaryotes. Emerging evidence has shown that essential components of numerous biological processes undergo ubiquitination in mammalian cells upon exposure to diverse stresses, from exogenous factors to cellular reactions, causing a dazzling variety of functional consequences. Various forms of ubiquitin signals generated by ubiquitylation events in specific milieus, known as ubiquitin codes, constitute an intrinsic part of myriad cellular stress responses. These ubiquitination events, leading to proteolytic turnover of the substrates or just switch in functionality, initiate, regulate, or supervise multiple cellular stress-associated responses, supporting adaptation, homeostasis recovery, and survival of the stressed cells. In this review, we attempted to summarize the crucial roles of ubiquitination in response to different environmental and intracellular stresses, while discussing how stresses modulate the ubiquitin system. This review also updates the most recent advances in understanding ubiquitination machinery as well as different stress responses and discusses some important questions that may warrant future investigation.
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Affiliation(s)
- Xiangpeng Sheng
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai 200031, China
- State Key Laboratory of Animal Disease Control, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Zhixiong Xia
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai 200031, China
| | - Hanting Yang
- Department of Neurology, State Key Laboratory of Medical Neurobiology, Institute for Translational Brain Research, MOE Frontiers Center for Brain Science, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Ronggui Hu
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai 200031, China
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9
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Zheng Z, Shang X, Sun K, Hou Y, Zhang X, Xu J, Liu H, Ruan Z, Hou L, Guo Z, Wang G, Xu F, Guo F. P21 resists ferroptosis in osteoarthritic chondrocytes by regulating GPX4 protein stability. Free Radic Biol Med 2024; 212:336-348. [PMID: 38176476 DOI: 10.1016/j.freeradbiomed.2023.12.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/27/2023] [Accepted: 12/30/2023] [Indexed: 01/06/2024]
Abstract
Ferroptosis is involved in the pathogenesis of osteoarthritis (OA) while suppression of chondrocyte ferroptosis has a beneficial effect on OA. However, the molecular mechanism of ferroptosis in OA remains to be elucidated. P21, an indicator of aging, has been reported to inhibit ferroptosis, but the relationship between P21 and ferroptosis in OA remains unclear. Here, we aimed to investigate the expression and function of P21 in OA chondrocytes, and the involvement of P21 in the regulation of ferroptosis in chondrocytes. First, we demonstrated that high P21 expression was observed in the cartilage from OA patients and destabilized medial meniscus (DMM) mice, and in osteoarthritic chondrocytes induced by IL-1β, FAC and erastin. P21 knockdown exacerbated the reduction of Col2a1 and promoted the upregulation of MMP13 in osteoarthritic chondrocytes. Meanwhile, P21 knockdown exacerbated cartilage degradation in DMM-induced OA mouse models and decreased GPX4 expression in vivo. Furthermore, P21 knockdown sensitized chondrocytes to ferroptosis induced by erastin, which was closely associated with the accumulation of lipid peroxides. In mechanism, we demonstrated that P21 regulated the stability of GPX4 protein, and the regulation was independent of NRF2. Meanwhile, we found that P21 significantly affected the recruitment of GPX4 to linear ubiquitin chain assembly complex (LUBAC) and regulated the level of M1-linked ubiquitination of GPX4. Overall, our results suggest that P21 plays an essential anti-ferroptosis role in OA by regulating the stability of GPX4.
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Affiliation(s)
- Zehang Zheng
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xingru Shang
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Sun
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanjun Hou
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiong Zhang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jingting Xu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haigang Liu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhaoxuan Ruan
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liangcai Hou
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhou Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Genchun Wang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fei Xu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
| | - Fengjing Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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10
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Wu Y, Gong P. Scopolamine regulates the osteogenic differentiation of human periodontal ligament stem cells through lactylation modification of RUNX2 protein. Pharmacol Res Perspect 2024; 12:e1169. [PMID: 38258916 PMCID: PMC10804664 DOI: 10.1002/prp2.1169] [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: 08/18/2023] [Revised: 11/06/2023] [Accepted: 12/03/2023] [Indexed: 01/24/2024] Open
Abstract
Periodontal ligament stem cells (PDLSCs) are important mesenchymal stem cells contributing to regenerating lost periodontal tissues and repairing bone defects. Studies on the molecular mechanism affecting the osteogenic differentiation of PDLSCs are necessary. Scopolamine (SCO) is known as a regulator of neural cell damage. The focus of the current study is on unveiling the role of SCO-mediated molecular mechanism in the osteogenic differentiation of PDLSCs. Through CCK-8 assay and LDH detection, we confirmed that SCO enhanced the viability of PDLSCs. Moreover, we determined that SCO induced the PDLSCs osteogenic differentiation, according to data of ALP activity measurement and ARS staining. Mechanistically, we performed western blot and identified that SCO could promote the lactylation of runt-related transcription factor 2 (RUNX2). We also found through rescue assays that knockdown of RUNX2 could reverse the effect of SCO treatment on the osteogenic differentiation of PDLSCs. Further mechanism investigation revealed that lactylation of RUNX2 at K176 site enhances the protein stability of RUNX2 through deubiquitination. Collectively, our present study unveils that SCO stabilizes RUNX2 to promote the osteogenic differentiation of PDLSCs through the lactylation modification of RUNX2.
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Affiliation(s)
- Ying Wu
- Department of PeriodonticsAffiliated Stomatology Hospital of Guangzhou Medical UniversityGuangzhouChina
- Guangdong Engineering Research Center of Oral Restoration and ReconstructionGuangzhouChina
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative MedicineGuangzhouChina
| | - Pan Gong
- Department of StomatologyAffiliated Cancer Hospital & Institute of Guangzhou Medical UniversityGuangzhouChina
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11
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Jin Y, Peng Y, Xu J, Yuan Y, Yang N, Zhang Z, Xu L, Li L, Xiong Y, Sun D, Pan Y, Wu R, Fu J. LUBAC promotes angiogenesis and lung tumorigenesis by ubiquitinating and antagonizing autophagic degradation of HIF1α. Oncogenesis 2024; 13:6. [PMID: 38272870 PMCID: PMC10810860 DOI: 10.1038/s41389-024-00508-3] [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: 09/30/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
Hypoxia-inducible factor 1 (HIF1) is critically important for driving angiogenesis and tumorigenesis. Linear ubiquitin chain assembly complex (LUBAC), the only known ubiquitin ligase capable of catalyzing protein linear ubiquitination to date, is implicated in cell signaling and associated with cancers. However, the role and mechanism of LUBAC in regulating the expression and function of HIF1α, the labile subunit of HIF1, remain to be elucidated. Herein we showed that LUBAC increases HIF1α protein expression in cultured cells and tissues of human lung cancer and enhances HIF1α DNA-binding and transcriptional activities, which are dependent upon LUBAC enzymatic activity. Mechanistically, LUBAC increases HIF1α stability through antagonizing HIF1α decay by the chaperone-mediated autophagy (CMA)-lysosome pathway, thereby potentiating HIF1α activity. We further demonstrated that HIF1α selectively interacts with HOIP (the catalytic subunit of LUBAC) primarily in the cytoplasm. LUBAC catalyzes linear ubiquitination of HIF1α at lysine 362. Linear ubiquitination shields HIF1α from interacting with heat-shock cognate protein of 70 kDa and lysosome-associated membrane protein type 2 A, two components of CMA. Consequently, linear ubiquitination confers protection against CMA-mediated destruction of HIF1α, increasing HIF1α stability and activity. We found that prolyl hydroxylation is not a perquisite for LUBAC's effects on HIF1α. Functionally, LUBAC facilitates proliferation, clonogenic formation, invasion and migration of lung cancer cells. LUBAC also boosts angiogenesis and exacerbates lung cancer growth in mice, which are greatly compromised by inhibition of HIF1α. This work provides novel mechanistic insights into the role of LUBAC in regulating HIF1α homeostasis, tumor angiogenesis and tumorigenesis of lung cancer, making LUBAC an attractive therapeutic target for cancers.
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Affiliation(s)
- Ying Jin
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China.
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA.
| | - Yazhi Peng
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Jie Xu
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Ye Yuan
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Nan Yang
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Zemei Zhang
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
- Graduate School, Jinzhou Medical University, Liaoning, China
| | - Lei Xu
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Lin Li
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Yulian Xiong
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Dejiao Sun
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Yamu Pan
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Ruiqing Wu
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China
| | - Jian Fu
- The Laboratory of Inflammation and Vascular Biology, Institute of Clinical Medicine and Department of Cardiology, Renmin Hospital, Hubei University of Medicine, Hubei, China.
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA.
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12
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Chu LK, Cao X, Wan L, Diao Q, Zhu Y, Kan Y, Ye LL, Mao YM, Dong XQ, Xiong QW, Fu MC, Zhang T, Zhou HT, Cai SZ, Ma ZR, Hsu SW, Wu R, Chen CH, Yan XM, Liu J. Autophagy of OTUD5 destabilizes GPX4 to confer ferroptosis-dependent kidney injury. Nat Commun 2023; 14:8393. [PMID: 38110369 PMCID: PMC10728081 DOI: 10.1038/s41467-023-44228-5] [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: 06/28/2023] [Accepted: 12/05/2023] [Indexed: 12/20/2023] Open
Abstract
Ferroptosis is an iron-dependent programmed cell death associated with severe kidney diseases, linked to decreased glutathione peroxidase 4 (GPX4). However, the spatial distribution of renal GPX4-mediated ferroptosis and the molecular events causing GPX4 reduction during ischemia-reperfusion (I/R) remain largely unknown. Using spatial transcriptomics, we identify that GPX4 is situated at the interface of the inner cortex and outer medulla, a hyperactive ferroptosis site post-I/R injury. We further discover OTU deubiquitinase 5 (OTUD5) as a GPX4-binding protein that confers ferroptosis resistance by stabilizing GPX4. During I/R, ferroptosis is induced by mTORC1-mediated autophagy, causing OTUD5 degradation and subsequent GPX4 decay. Functionally, OTUD5 deletion intensifies renal tubular cell ferroptosis and exacerbates acute kidney injury, while AAV-mediated OTUD5 delivery mitigates ferroptosis and promotes renal function recovery from I/R injury. Overall, this study highlights a new autophagy-dependent ferroptosis module: hypoxia/ischemia-induced OTUD5 autophagy triggers GPX4 degradation, offering a potential therapeutic avenue for I/R-related kidney diseases.
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Affiliation(s)
- Li-Kai Chu
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Xu Cao
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Lin Wan
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Qiang Diao
- Department of Medical Imaging, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, 210002, Nanjing, China
| | - Yu Zhu
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Yu Kan
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Li-Li Ye
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Yi-Ming Mao
- Department of Thoracic Surgery, Suzhou Kowloon Hospital, Shanghai Jiao Tong University School of Medicine, 215028, Suzhou, China
| | - Xing-Qiang Dong
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Qian-Wei Xiong
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Ming-Cui Fu
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Ting Zhang
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Hui-Ting Zhou
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Shi-Zhong Cai
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Zhou-Rui Ma
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China
| | - Ssu-Wei Hsu
- Division of Nephrology, Department of Internal Medicine, University of California Davis, Davis, CA, USA
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California Davis, Davis, CA, USA
| | - Reen Wu
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California Davis, Davis, CA, USA
| | - Ching-Hsien Chen
- Division of Nephrology, Department of Internal Medicine, University of California Davis, Davis, CA, USA.
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of California Davis, Davis, CA, USA.
| | - Xiang-Ming Yan
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China.
| | - Jun Liu
- Pediatric Institute of Soochow University, Children's Hospital of Soochow University, Soochow University, 215025, Suzhou, China.
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13
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Yang J, Lee Y, Hwang CS. The ubiquitin-proteasome system links NADPH metabolism to ferroptosis. Trends Cell Biol 2023; 33:1088-1103. [PMID: 37558595 DOI: 10.1016/j.tcb.2023.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 08/11/2023]
Abstract
Ferroptosis is the type of cell death arising from uncontrolled and excessive lipid peroxidation. NADPH is essential for ferroptosis regulation because it supplies reducing equivalents for antioxidant defense systems and contributes to the generation of reactive oxygen species. Moreover, NADPH level serves as a biomarker for predicting the sensitivity of cells to ferroptosis. The ubiquitin-proteasome system governs the stability of many ferroptosis effectors. Recent research has revealed MARCHF6, the endoplasmic reticulum ubiquitin ligase, as an unprecedented NADPH sensor in the ubiquitin system and a critical regulator of ferroptosis involved in tumorigenesis and fetal development. This review summarizes the current understanding of NADPH metabolism and the ubiquitin-proteasome system in regulating ferroptosis and highlights the emerging importance of MARCHF6 as a vital connector between NADPH metabolism and ferroptosis.
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Affiliation(s)
- Jihye Yang
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Yoontae Lee
- Department of Life Sciences, Pohang University of Science and Technology, Pohang, Republic of Korea
| | - Cheol-Sang Hwang
- Department of Life Sciences, Korea University, Seoul, Republic of Korea.
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14
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Gao L, Zhang W, Shi XH, Chang X, Han Y, Liu C, Jiang Z, Yang X. The mechanism of linear ubiquitination in regulating cell death and correlative diseases. Cell Death Dis 2023; 14:659. [PMID: 37813853 PMCID: PMC10562472 DOI: 10.1038/s41419-023-06183-3] [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: 06/23/2023] [Revised: 09/13/2023] [Accepted: 09/26/2023] [Indexed: 10/11/2023]
Abstract
Linear ubiquitination is a specific post-translational modification in which ubiquitin is linked through M1 residue to form multiple types of polyubiquitin chains on substrates in order to regulate cellular processes. LUBAC comprised by HOIP, HOIL-1L, and SHARPIN as a sole E3 ligase catalyzes the generation of linear ubiquitin chains, and it is simultaneously adjusted by deubiquitinases such as OTULIN and CYLD. Several studies have shown that gene mutation of linear ubiquitination in mice accompanied by different modalities of cell death would develop relative diseases. Cell death is a fundamental physiological process and responsible for embryonic development, organ maintenance, and immunity response. Therefore, it is worth speculating that linear ubiquitin mediated signaling pathway would participate in different diseases. The relative literature search was done from core collection of electronic databases such as Web of Science, PubMed, and Google Scholar using keywords about main regulators of linear ubiquitination pathway. Here, we summarize the regulatory mechanism of linear ubiquitination on cellular signaling pathway in cells with apoptosis, necroptosis, autophagy, pyroptosis, and ferroptosis. Intervening generation of linear ubiquitin chains in relative signaling pathway to regulate cell death might provide novel therapeutic insights for various human diseases.
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Affiliation(s)
- Liyuan Gao
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Wei Zhang
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Xiao Hui Shi
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Xiaoyan Chang
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Yi Han
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Chundi Liu
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Zhitao Jiang
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China.
| | - Xiang Yang
- Zhangjiagang TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China.
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15
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Liu L, Pang J, Qin D, Li R, Zou D, Chi K, Wu W, Rui H, Yu H, Zhu W, Liu K, Wu X, Wang J, Xu P, Song X, Cao Y, Wang J, Xu F, Xue L, Chen Y. Deubiquitinase OTUD5 as a Novel Protector against 4-HNE-Triggered Ferroptosis in Myocardial Ischemia/Reperfusion Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301852. [PMID: 37552043 PMCID: PMC10558642 DOI: 10.1002/advs.202301852] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/13/2023] [Indexed: 08/09/2023]
Abstract
Despite the development of advanced technologies for interventional coronary reperfusion after myocardial infarction, a substantial number of patients experience high mortality due to myocardial ischemia-reperfusion (MI/R) injury. An in-depth understanding of the mechanisms underlying MI/R injury can provide crucial strategies for mitigating myocardial damage and improving patient survival. Here, it is discovered that the 4-hydroxy-2-nonenal (4-HNE) accumulates during MI/R, accompanied by high rates of myocardial ferroptosis. The loss-of-function of aldehyde dehydrogenase 2 (ALDH2), which dissipates 4-HNE, aggravates myocardial ferroptosis, whereas the activation of ALDH2 mitigates ferroptosis. Mechanistically, 4-HNE targets glutathione peroxidase 4 (GPX4) for K48-linked polyubiquitin-related degradation, which 4-HNE-GPX4 axis commits to myocyte ferroptosis and forms a positive feedback circuit. 4-HNE blocks the interaction between GPX4 and ovarian tumor (OTU) deubiquitinase 5 (OTUD5) by directly carbonylating their cysteine residues at C93 of GPX4 and C247 of OTUD5, identifying OTUD5 as the novel deubiquitinase for GPX4. Consequently, the elevation of OTUD5 deubiquitinates and stabilizes GPX4 to reverse 4-HNE-induced ferroptosis and alleviate MI/R injury. The data unravel the mechanism of 4-HNE in GPX4-dependent ferroptosis and identify OTUD5 as a novel therapeutic target for the treatment of MI/R injury.
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16
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Xie Y, Kang R, Klionsky DJ, Tang D. GPX4 in cell death, autophagy, and disease. Autophagy 2023; 19:2621-2638. [PMID: 37272058 PMCID: PMC10472888 DOI: 10.1080/15548627.2023.2218764] [Citation(s) in RCA: 73] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/06/2023] Open
Abstract
Selenoprotein GPX4 (glutathione peroxidase 4), originally known as PHGPX (phospholipid hydroperoxide glutathione peroxidase), is the main oxidoreductase in the use of glutathione as a reducing agent in scavenging lipid peroxidation products. There are three GPX4 isoforms: cytosolic (cGPX4), mitochondrial (mGPX4), and nuclear (nGPX4), with distinct spatiotemporal expression patterns during embryonic development and adult life. In addition to inducing the main phenotype of ferroptosis, the loss of GPX4 can in some cells trigger apoptosis, necroptosis, pyroptosis, or parthanatos, which mediates or accelerates developmental defects, tissue damage, and sterile inflammation. The interaction of GPX4 with the autophagic degradation pathway further modulates cell fate in response to oxidative stress. Impaired GPX4 function is implicated in tumorigenesis, neurodegeneration, infertility, inflammation, immune disorders, and ischemia-reperfusion injury. Additionally, the R152H mutation in GPX4 can promote the development of Sedaghatian-type spinal metaphyseal dysplasia, a rare and fatal disease in newborns. Here, we discuss the roles of classical GPX4 functions as well as emerging GPX4-regulated processes in cell death, autophagy, and disease.Abbreviations: AA: arachidonic acid; cGPX4: cytosolic GPX4; CMA: chaperone-mediated autophagy; DAMPs: danger/damage-associated molecular patterns; mGPX4: mitochondrial GPX4; nGPX4: nuclear GPX4; GSDMD-N: N-terminal fragment of GSDMD; I/R: ischemia-reperfusion; PLOOH: phospholipid hydroperoxide; PUFAs: polyunsaturated fatty acids; RCD: regulated cell death; ROS: reactive oxygen species; Se: selenium; SSMD: Sedaghatian-type spondylometaphyseal dysplasia; UPS: ubiquitin-proteasome system.
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Affiliation(s)
- Yangchun Xie
- Department of Oncology, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Rui Kang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Daniel J. Klionsky
- Life Sciences Institute and Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Daolin Tang
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
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17
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Ke W, Liao Z, Liang H, Tong B, Song Y, Li G, Ma L, Wang K, Feng X, Li S, Hua W, Wang B, Yang C. Stiff Substrate Induces Nucleus Pulposus Cell Ferroptosis via YAP and N-Cadherin Mediated Mechanotransduction. Adv Healthc Mater 2023; 12:e2300458. [PMID: 37022980 DOI: 10.1002/adhm.202300458] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/26/2023] [Indexed: 04/07/2023]
Abstract
Increased tissue stiffness is associated with various pathological processes, such as fibrosis, inflammation, and aging. The matrix stiffness of the nucleus pulposus (NP) tissues increases gradually during intervertebral disc degeneration (IDD), while the mechanism through which NP cells sense and react to matrix stiffness remains unclear. In this study, the results indicate that ferroptosis is involved in stiff substrate-induced NP cell death. The expression of acyl-CoA synthetase long-chain family member 4 (ACSL4) increases in NP cells of the stiff group, which mediates lipid peroxidation and ferroptosis in NP cells. In addition, stiff substrate activates the hippo signaling cascade and induces the nuclear translocation of yes-associated protein (YAP). Interestingly, inhibition of YAP is efficient to reverse the increase of ACSL4 expression caused by matrix stiffness. Furthermore, stiff substrate suppresses the expression of N-cadherin in NP cells. N-cadherin overexpression can inhibit YAP nuclear translocation via the formation of the N-cadherin/β-catenin/YAP complex, and reverse matrix stiffness-induced ferroptosis in NP cells. Finally, the effects of YAP inhibition and N-cadherin overexpression on IDD progression are further illustrated in animal models. These findings reveal a new mechanism of mechanotransduction in NP cells, providing novel insights into the development of therapies for the treatment of IDD.
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Affiliation(s)
- Wencan Ke
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhiwei Liao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Huaizhen Liang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bide Tong
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yu Song
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Gaocai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Liang Ma
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Kun Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaobo Feng
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shuai Li
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wenbin Hua
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bingjin Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Cao Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
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18
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Ma M, Wang R, Xu M. Thorium(IV) triggers ferroptosis through disrupting iron homeostasis and heme metabolism in the liver following oral ingestion. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131217. [PMID: 36940529 DOI: 10.1016/j.jhazmat.2023.131217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/22/2023] [Accepted: 03/13/2023] [Indexed: 05/03/2023]
Abstract
Thorium is a byproduct of the rare earth mining industry and can be utilized as fuel for the next-generation nuclear power facilities, which may pose health risks to the population. Although published literature has shown that the toxicity of thorium possibly originates from its interactions with iron/heme-containing proteins, the underlying mechanisms are still largely unclear. Since the liver plays an irreplaceable role in iron and heme metabolism in the body, it is essential to investigate how thorium affects iron and heme homeostasis in hepatocytes. In this study, we first assessed the liver injury in mice exposed to tetravalent thorium (Th(IV)) in the form of thorium nitrite via the oral route. After a two-week oral exposure, thorium accumulation and iron overload were observed in the liver, which are both closely associated with lipid peroxidation and cell death. Transcriptomics analysis revealed that ferroptosis, which has not previously been documented in cells for actinides, is the main mechanism of programmed cell death induced by Th(IV). Further mechanistic studies suggested that Th(IV) could activate the ferroptotic pathway through disrupting iron homeostasis and generating lipid peroxides. More significantly, the disorder of heme metabolism, which is crucial for maintaining intracellular iron and redox homeostasis, was found to contribute to ferroptosis in hepatocytes exposed to Th(IV). Our findings may shed light on a key mechanism of hepatoxicity in response to Th(IV) stress and provide in-depth understanding of the health risk of thorium.
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Affiliation(s)
- Minghao Ma
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ruixia Wang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Ming Xu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China; School of Environment, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
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19
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Sun X, Huang N, Li P, Dong X, Yang J, Zhang X, Zong WX, Gao S, Xin H. TRIM21 ubiquitylates GPX4 and promotes ferroptosis to aggravate ischemia/reperfusion-induced acute kidney injury. Life Sci 2023; 321:121608. [PMID: 36958437 DOI: 10.1016/j.lfs.2023.121608] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/16/2023] [Accepted: 03/16/2023] [Indexed: 03/25/2023]
Abstract
AIMS This study aims to verify the molecular mechanism that Tripartite motif containing 21 (TRIM21) promotes ubiquitination degradation of glutathione peroxidase 4 (GPX4) by regulating ferroptosis, and to discuss the feasibility of TRIM21 as a new therapeutic target for acute kidney injury (AKI). MATERIALS AND METHODS Ischemia-reperfusion (I/R)-AKI model was constructed using Trim21+/+ and Trim21-/- mice, and the expression of markers associated with kidney injury and ferroptosis were evaluated. HK-2 cells were treated by RSL3 and Erastin, and a hypoxia/reoxygenation (H/R) model was constructed to simulate I/R injury in vivo. KEY FINDINGS In vivo, TRIM21 is highly expressed in I/R kidney tissues. Loss of TRIM21 alleviated I/R-AKI and improved renal function. The upregulation of GPX4, a key ferroptosis regulator, and the mild mitochondrial damage suggested that loss of TRIM21 had a negative regulation of ferroptosis. In vitro, TRIM21 was highly expressed in H/R models, and overexpression of TRIM21 in HK-2 cells increased ROS production, promoted intracellular iron accumulation, and boosted cellular sensitivity to RSL3 and Erastin. Mechanistically, we confirmed that GPX4 is a substrate of TRIM21 and can be degraded by TRIM21-mediated ubiquitination, suggesting that inhibiting TRIM21 attenuates ferroptosis. A JAK2 inhibitor Fedratinib downregulated TRIM21 expression and reduced damage both in vivo and in vitro, which is correlated with the upregulation of GPX4. SIGNIFICANCE Our study showed that loss of TRIM21 could alleviate ferroptosis induced by I/R, revealed the mechanism of ubiquitination degradation of GPX4 by TRIM21 and suggested TRIM21 is a potential target for the treatment of AKI.
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Affiliation(s)
- Xiaolin Sun
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Ning Huang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Peng Li
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Xinyi Dong
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Jiahong Yang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Xuemei Zhang
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei-Xing Zong
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854, USA
| | - Shenglan Gao
- Department of Cellular and Genetic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai 200032, China
| | - Hong Xin
- Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China.
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Zhou Z, Song X, Kang R, Tang D. The Emerging Role of Deubiquitinases in Cell Death. Biomolecules 2022; 12:1825. [PMID: 36551253 PMCID: PMC9775562 DOI: 10.3390/biom12121825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Regulated cell death (RCD) is a signal-controlled process that not only eliminates infected, damaged, or aged cells but is also implicated in a variety of pathological conditions. The process of RCD is regulated by intracellular proteins that undergo varying levels of post-translational modifications, including mono- or polyubiquitination. Functionally, ubiquitination can affect protein abundance, localization, and activity. Like other post-translational modifications, ubiquitination is a dynamic and reversible process mediated by deubiquitinases, a large class of proteases that cleave ubiquitin from proteins and other substrates. The balance between ubiquitination and deubiquitination machinery determines cell fate under stressful conditions. Here, we review the latest advances in our understanding of the role of deubiquitinases in regulating the main types of RCD, including apoptosis, necroptosis, pyroptosis, and ferroptosis. This knowledge may contribute to identifying new protein degradation-related prognostic markers and therapeutic targets for human disease.
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Affiliation(s)
| | | | | | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX 75390, USA
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