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Zhao WB, Sheng R. The correlation between mitochondria-associated endoplasmic reticulum membranes (MAMs) and Ca 2+ transport in the pathogenesis of diseases. Acta Pharmacol Sin 2024:10.1038/s41401-024-01359-9. [PMID: 39117969 DOI: 10.1038/s41401-024-01359-9] [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: 03/18/2024] [Accepted: 07/16/2024] [Indexed: 08/10/2024] Open
Abstract
Mitochondria and the endoplasmic reticulum (ER) are vital organelles that influence various cellular physiological and pathological processes. Recent evidence shows that about 5%-20% of the mitochondrial outer membrane is capable of forming a highly dynamic physical connection with the ER, maintained at a distance of 10-30 nm. These interconnections, known as MAMs, represent a relatively conserved structure in eukaryotic cells, acting as a critical platform for material exchange between mitochondria and the ER to maintain various aspects of cellular homeostasis. Particularly, ER-mediated Ca2+ release and recycling are intricately associated with the structure and functionality of MAMs. Thus, MAMs are integral in intracellular Ca2+ transport and the maintenance of Ca2+ homeostasis, playing an essential role in various cellular activities including metabolic regulation, signal transduction, autophagy, and apoptosis. The disruption of MAMs observed in certain pathologies such as cardiovascular and neurodegenerative diseases as well as cancers leads to a disturbance in Ca2+ homeostasis. This imbalance potentially aggravates pathological alterations and disease progression. Consequently, a thorough understanding of the link between MAM-mediated Ca2+ transport and these diseases could unveil new perspectives and therapeutic strategies. This review focuses on the changes in MAMs function during disease progression and their implications in relation to MAM-associated Ca2+ transport.
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Affiliation(s)
- Wen-Bin Zhao
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China
| | - Rui Sheng
- Department of Pharmacology and Laboratory of Aging and Nervous Diseases, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences of Soochow University, Suzhou, 215123, China.
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2
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Zuo B, Fan X, Xu D, Zhao L, Zhang B, Li X. Deciphering the mitochondria-inflammation axis: Insights and therapeutic strategies for heart failure. Int Immunopharmacol 2024; 139:112697. [PMID: 39024750 DOI: 10.1016/j.intimp.2024.112697] [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: 06/02/2024] [Revised: 07/10/2024] [Accepted: 07/13/2024] [Indexed: 07/20/2024]
Abstract
Heart failure (HF) is a clinical syndrome resulting from left ventricular systolic and diastolic dysfunction, leading to significant morbidity and mortality worldwide. Despite improvements in medical treatment, the prognosis of HF patients remains unsatisfactory, with high rehospitalization rates and substantial economic burdens. The heart, a high-energy-consuming organ, relies heavily on ATP production through oxidative phosphorylation in mitochondria. Mitochondrial dysfunction, characterized by impaired energy production, oxidative stress, and disrupted calcium homeostasis, plays a crucial role in HF pathogenesis. Additionally, inflammation contributes significantly to HF progression, with elevated levels of circulating inflammatory cytokines observed in patients. The interplay between mitochondrial dysfunction and inflammation involves shared risk factors, signaling pathways, and potential therapeutic targets. This review comprehensively explores the mechanisms linking mitochondrial dysfunction and inflammation in HF, including the roles of mitochondrial reactive oxygen species (ROS), calcium dysregulation, and mitochondrial DNA (mtDNA) release in triggering inflammatory responses. Understanding these complex interactions offers insights into novel therapeutic approaches for improving mitochondrial function and relieving oxidative stress and inflammation. Targeted interventions that address the mitochondria-inflammation axis hold promise for enhancing cardiac function and outcomes in HF patients.
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Affiliation(s)
- Baile Zuo
- Molecular Immunology and Immunotherapy Laboratory, School of Medical Technology, Xinxiang Medical University, Xinxiang, Henan, China
| | - Xiu Fan
- Department of Blood Transfusion, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China
| | - Dawei Xu
- Department of Blood Transfusion, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China
| | - Liping Zhao
- Department of Pathology, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Bi Zhang
- Department of Blood Transfusion, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China.
| | - Xiaoyan Li
- Department of Blood Transfusion, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China; Department of Clinical Laboratory, Heping Branch, Shanxi Provincial People's Hospital, Taiyuan, Shanxi, China.
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3
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Agyapong ED, Pedriali G, Ramaccini D, Bouhamida E, Tremoli E, Giorgi C, Pinton P, Morciano G. Calcium signaling from sarcoplasmic reticulum and mitochondria contact sites in acute myocardial infarction. J Transl Med 2024; 22:552. [PMID: 38853272 PMCID: PMC11162575 DOI: 10.1186/s12967-024-05240-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/26/2024] [Indexed: 06/11/2024] Open
Abstract
Acute myocardial infarction (AMI) is a serious condition that occurs when part of the heart is subjected to ischemia episodes, following partial or complete occlusion of the epicardial coronary arteries. The resulting damage to heart muscle cells have a significant impact on patient's health and quality of life. About that, recent research focused on the role of the sarcoplasmic reticulum (SR) and mitochondria in the physiopathology of AMI. Moreover, SR and mitochondria get in touch each other through multiple membrane contact sites giving rise to the subcellular region called mitochondria-associated membranes (MAMs). MAMs are essential for, but not limited to, bioenergetics and cell fate. Disruption of the architecture of these regions occurs during AMI although it is still unclear the cause-consequence connection and a complete overview of the pathological changes; for sure this concurs to further damage to heart muscle. The calcium ion (Ca2+) plays a pivotal role in the pathophysiology of AMI and its dynamic signaling between the SR and mitochondria holds significant importance. In this review, we tried to summarize and update the knowledge about the roles of these organelles in AMI from a Ca2+ signaling point of view. Accordingly, we also reported some possible cardioprotective targets which are directly or indirectly related at limiting the dysfunctions caused by the deregulation of the Ca2+ signaling.
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Affiliation(s)
| | - Gaia Pedriali
- Maria Cecilia Hospital, GVM Care&Research, Cotignola, Italy
| | | | | | - Elena Tremoli
- Maria Cecilia Hospital, GVM Care&Research, Cotignola, Italy
| | - Carlotta Giorgi
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Paolo Pinton
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy.
- Maria Cecilia Hospital, GVM Care&Research, Cotignola, Italy.
| | - Giampaolo Morciano
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy.
- Maria Cecilia Hospital, GVM Care&Research, Cotignola, Italy.
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4
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Ding Y, Liu N, Zhang D, Guo L, Shang Q, Liu Y, Ren G, Ma X. Mitochondria-associated endoplasmic reticulum membranes as a therapeutic target for cardiovascular diseases. Front Pharmacol 2024; 15:1398381. [PMID: 38694924 PMCID: PMC11061472 DOI: 10.3389/fphar.2024.1398381] [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: 03/11/2024] [Accepted: 04/05/2024] [Indexed: 05/04/2024] Open
Abstract
Cardiovascular diseases (CVDs) are currently the leading cause of death worldwide. In 2022, the CVDs contributed to 19.8 million deaths globally, accounting for one-third of all global deaths. With an aging population and changing lifestyles, CVDs pose a major threat to human health. Mitochondria-associated endoplasmic reticulum membranes (MAMs) are communication platforms between cellular organelles and regulate cellular physiological functions, including apoptosis, autophagy, and programmed necrosis. Further research has shown that MAMs play a critical role in the pathogenesis of CVDs, including myocardial ischemia and reperfusion injury, heart failure, pulmonary hypertension, and coronary atherosclerosis. This suggests that MAMs could be an important therapeutic target for managing CVDs. The goal of this study is to summarize the protein complex of MAMs, discuss its role in the pathological mechanisms of CVDs in terms of its functions such as Ca2+ transport, apoptotic signaling, and lipid metabolism, and suggest the possibility of MAMs as a potential therapeutic approach.
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Affiliation(s)
- Yanqiu Ding
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Nanyang Liu
- Department of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Dawu Zhang
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Lijun Guo
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qinghua Shang
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yicheng Liu
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Gaocan Ren
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaochang Ma
- Cardiovascular Department, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- State Key Laboratory of Traditional Chinese Medicine Syndrome, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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5
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An G, Park J, Song J, Hong T, Song G, Lim W. Relevance of the endoplasmic reticulum-mitochondria axis in cancer diagnosis and therapy. Exp Mol Med 2024; 56:40-50. [PMID: 38172597 PMCID: PMC10834980 DOI: 10.1038/s12276-023-01137-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/05/2023] [Accepted: 10/09/2023] [Indexed: 01/05/2024] Open
Abstract
Dynamic interactions between organelles are responsible for a variety of intercellular functions, and the endoplasmic reticulum (ER)-mitochondrial axis is recognized as a representative interorganelle system. Several studies have confirmed that most proteins in the physically tethered sites between the ER and mitochondria, called mitochondria-associated ER membranes (MAMs), are vital for intracellular physiology. MAM proteins are involved in the regulation of calcium homeostasis, lipid metabolism, and mitochondrial dynamics and are associated with processes related to intracellular stress conditions, such as oxidative stress and unfolded protein responses. Accumulating evidence has shown that, owing to their extensive involvement in cellular homeostasis, alterations in the ER-mitochondrial axis are one of the etiological factors of tumors. An in-depth understanding of MAM proteins and their impact on cell physiology, particularly in cancers, may help elucidate their potential as diagnostic and therapeutic targets for cancers. For example, the modulation of MAM proteins is utilized not only to target diverse intracellular signaling pathways within cancer cells but also to increase the sensitivity of cancer cells to anticancer reagents and regulate immune cell activities. Therefore, the current review summarizes and discusses recent advances in research on the functional roles of MAM proteins and their characteristics in cancers from a diagnostic perspective. Additionally, this review provides insights into diverse therapeutic strategies that target MAM proteins in various cancer types.
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Affiliation(s)
- Garam An
- Institute of Animal Molecular Biotechnology, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Junho Park
- Institute of Animal Molecular Biotechnology, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea
| | - Jisoo Song
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Taeyeon Hong
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, Republic of Korea.
| | - Whasun Lim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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6
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He QQ, Huang Y, Nie L, Ren S, Xu G, Deng F, Cheng Z, Zuo Q, Zhang L, Cai H, Wang Q, Wang F, Ren H, Yan H, Xu K, Zhou L, Lu M, Lu Z, Zhu Y, Liu S. MAVS integrates glucose metabolism and RIG-I-like receptor signaling. Nat Commun 2023; 14:5343. [PMID: 37660168 PMCID: PMC10475032 DOI: 10.1038/s41467-023-41028-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 08/18/2023] [Indexed: 09/04/2023] Open
Abstract
MAVS is an adapter protein involved in RIG-I-like receptor (RLR) signaling in mitochondria, peroxisomes, and mitochondria-associated ER membranes (MAMs). However, the role of MAVS in glucose metabolism and RLR signaling cross-regulation and how these signaling pathways are coordinated among these organelles have not been defined. This study reports that RLR action drives a switch from glycolysis to the pentose phosphate pathway (PPP) and the hexosamine biosynthesis pathway (HBP) through MAVS. We show that peroxisomal MAVS is responsible for glucose flux shift into PPP and type III interferon (IFN) expression, whereas MAMs-located MAVS is responsible for glucose flux shift into HBP and type I IFN expression. Mechanistically, peroxisomal MAVS interacts with G6PD and the MAVS signalosome forms at peroxisomes by recruiting TNF receptor-associated factor 6 (TRAF6) and interferon regulatory factor 1 (IRF1). By contrast, MAMs-located MAVS interact with glutamine-fructose-6-phosphate transaminase, and the MAVS signalosome forms at MAMs by recruiting TRAF6 and TRAF2. Our findings suggest that MAVS mediates the interaction of RLR signaling and glucose metabolism.
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Affiliation(s)
- Qiao-Qiao He
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Yu Huang
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Longyu Nie
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Sheng Ren
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Gang Xu
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Feiyan Deng
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Zhikui Cheng
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Qi Zuo
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Lin Zhang
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, 430072, China
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, 430072, China
| | - Huanhuan Cai
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, 430072, China
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, 430072, China
| | - Qiming Wang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China
| | - Fubing Wang
- Wuhan Research Center for Infectious Diseases and Cancer, Chinese Academy of Medical Sciences, Wuhan, 430072, China
| | - Hong Ren
- Shanghai Children's Medical Center, Affiliated Hospital to Shanghai Jiao Tong University School of Medicine, Shanghai, 200000, China
| | - Huan Yan
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Ke Xu
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Li Zhou
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China
| | - Mengji Lu
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, Essen, 45122, Germany
| | - Zhibing Lu
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, 430072, China
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, 430072, China
| | - Ying Zhu
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China.
| | - Shi Liu
- State Key Laboratory of Virology, Modern Virology Research Center, Frontier Science Center for Immunology and Metabolism, College of Life Sciences, Wuhan University, Wuhan, 430072, China.
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, 430072, China.
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China.
- Wuhan Research Center for Infectious Diseases and Cancer, Chinese Academy of Medical Sciences, Wuhan, 430072, China.
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Liu RP, He SY, Wang J, Wang XQ, Jin ZL, Guo H, Wang CR, Xu YN, Kim NH. BDE-47 Induces Mitochondrial Dysfunction and Endoplasmic Reticulum Stress to Inhibit Early Porcine Embryonic Development. Animals (Basel) 2023; 13:2291. [PMID: 37508068 PMCID: PMC10376902 DOI: 10.3390/ani13142291] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Widely used as a flame retardant, 2,2'4,4'-tetrabromodiphenyl ether (BDE-47) is a persistent environmental pollutant with toxicological effects, including hepatotoxicity, neurotoxicity, reproductive toxicity, and endocrine disruption. To investigate the toxicological effects of BDE-47 on early porcine embryogenesis in vitro, cultured porcine embryos were exposed to BDE-47 during early development. Exposure to 100 μM BDE-47 decreased the blastocyst rate and mRNA level of pluripotency genes but increased the level of LC3 and the expression of autophagy-related genes. After BDE-47 exposure, porcine embryos' antioxidant capability decreased; ROS levels increased, while glutathione (GSH) levels and the expression of antioxidant-related genes decreased. In addition, BDE-47 exposure reduced mitochondrial abundance and mitochondrial membrane potential levels, downregulated mitochondrial biogenesis-associated genes, decreased endoplasmic reticulum (ER) abundance, increased the levels of GRP78, a marker of ER stress (ERS), and upregulated the expression of ERS-related genes. However, ER damage and low embryo quality induced by BDE-47 exposure were reversed with the ERS inhibitor, the 4-phenylbutyric acid. In conclusion, BDE-47 inhibits the development of early porcine embryos in vitro by inducing mitochondrial dysfunction and ERS. This study sheds light on the mechanisms of BDE-47-induced embryonic toxicity.
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Affiliation(s)
- Rong-Ping Liu
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Sheng-Yan He
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Jing Wang
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
- College of Agriculture, Yanbian University, Yanji 133002, China
| | - Xin-Qin Wang
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Zhe-Long Jin
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Hao Guo
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Chao-Rui Wang
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Yong-Nan Xu
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
| | - Nam-Hyung Kim
- Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine, Wuyi University, Jiangmen 529020, China
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