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Wang Y, Ren T, Li C, Wu Q, Liu J, Guan X, Chang X, Liu Z, Liu R. Mechanisms involved in the regulation of mitochondrial quality control by PGAM5 in heart failure. Cell Stress Chaperones 2024; 29:510-518. [PMID: 38821173 PMCID: PMC11214171 DOI: 10.1016/j.cstres.2024.05.004] [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: 04/13/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/02/2024] Open
Abstract
Heart failure (HF) refers to a group of clinical syndromes in which various heart diseases lead to the inability of cardiac output to meet the metabolic needs of the body's tissues. Cardiac metabolism requires enormous amounts of energy; thus, impaired myocardial energy metabolism is considered a key factor in the occurrence and development of HF. Mitochondria serve as the primary energy source for cardiomyocytes, and their regular functionality underpins healthy cardiac function. The mitochondrial quality control system is a crucial mechanism for regulating the functionality of cardiomyocytes, and any abnormality in this system can potentially impact the morphology and structure of mitochondria, as well as the energy metabolism of cardiomyocytes. Phosphoglycerate mutase 5 (PGAM5), a multifunctional protein, plays a key role in the regulation of mitochondrial quality control through multiple pathways. Therefore, abnormal PGAM5 function is closely related to mitochondrial damage. This article reviews the mechanism of PGAM5's involvement in the regulation of the mitochondrial quality control system in the occurrence and development of HF, thereby providing a theoretical basis for future in-depth research.
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Affiliation(s)
- Yanli Wang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Tiantian Ren
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Cuizhi Li
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qiaomin Wu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jinfeng Liu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xuanke Guan
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xing Chang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Zhiming Liu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Ruxiu Liu
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
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Song J, Chen Y, Chen Y, Wang S, Dong Z, Liu X, Li X, Zhang Z, Sun L, Zhong J. Ferrostatin-1 Blunts Right Ventricular Hypertrophy and Dysfunction in Pulmonary Arterial Hypertension by Suppressing the HMOX1/GSH Signaling. J Cardiovasc Transl Res 2024; 17:183-196. [PMID: 37603208 DOI: 10.1007/s12265-023-10423-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 07/31/2023] [Indexed: 08/22/2023]
Abstract
Ferroptosis plays a critical role in pulmonary arterial hypertension (PAH)-induced right ventricular (RV) dysfunction, but key genes remain largely unclear. We here identified HMOX1 as an essential ferroptosis-related differentially expressed gene in PAH by bioinformatic analysis using FerrDb, GSE119754, and GSE3675 datasets, respectively. Notably, there were marked increases in HMOX1 and iron levels in RV of monocrotaline-induced PAH rats with reduced TAPSE levels. More importantly, treatment with ferrostatin-1 effectively attenuated RV hypertrophy, remodeling, myocardial fibrosis, and dysfunction in PAH rats. In cultured H9C2 cells and primary neonatal rat cardiomyocytes, pretreatment with ferrostatin-1 and knockdown HMOX1 by siRNA strikingly blunted hypoxia-induced promotion of lipid peroxidation, ferroptosis, and cardiomyocyte injury by potentiating glutathione (GSH) and nitric oxide signaling, respectively. In summary, ferrostatin-1 attenuates RV hypertrophy, fibrosis, and dysfunction in PAH by suppressing the HMOX1/GSH signaling. Targeting HMOX1 ferroptosis signaling functions as a potential therapeutic strategy for patients with PAH.
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Affiliation(s)
- Jiawei Song
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Medical Research Center, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yihang Chen
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yufei Chen
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Siyuan Wang
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Zhaojie Dong
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Xinming Liu
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Xueting Li
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Zhenzhou Zhang
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Lanlan Sun
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
- Department of Ultrasound Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
| | - Jiuchang Zhong
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China.
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
- Medical Research Center, Beijing Institute of Respiratory Medicine and Beijing Chaoyang Hospital, Capital Medical University, Beijing, China.
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Li L, Guo C, Yu Y, Tie L, Lu G, Liu F, Han X, Ji L, Zou X. Differential effects of PGAM5 knockout on high fat high fructose diet and methionine choline-deficient diet induced non-alcoholic steatohepatitis (NASH) in mice. Cell Biosci 2023; 13:154. [PMID: 37605246 PMCID: PMC10440915 DOI: 10.1186/s13578-023-01095-3] [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: 12/17/2022] [Accepted: 07/30/2023] [Indexed: 08/23/2023] Open
Abstract
BACKGROUND Phosphoglycerate mutase 5 (PGAM5), a phosphatase involved in mitochondrial homeostasis, is reported to be closely related to the metabolic stress induced by high-fat diet (HFD) or cold. In this study, we aimed to investigate the effects of PGAM5 on hepatic steatosis, inflammation and fibrosis in nonalcoholic steatohepatitis (NASH). METHODS AND RESULTS We generated PGAM5 global knockout (GKO) mice and their wildtype (WT) littermates using CRISPR/CAS9. The mice were fed with a high fat high fructose (HFHF) diet for 12 weeks or a methionine choline-deficient (MCD) diet (methionine choline supplemented (MCS) as control) for 6 weeks. Hepatic PGAM5 expression was up-regulated in humans with NASH and WT mice fed with HFHF and MCS, and reduced in WT mice fed with MCD diet. In HFHF-fed mice, GKO had reduced body weight, hepatic triglyceride (TG) content and serum transaminase along with decreased hepatic pro-inflammatory and pro-fibrotic responses compared with their WT control. GKO had increased expression of antioxidative gene glutathione peroxidase-6 (GPX6) and activation of mammalian target of rapamycin (mTOR). In mice fed with MCS diet, GKO significantly increased serum TNF-α and IL-6 and decreased hepatic GPX6 mRNA expression. There was no difference in hepatic steatosis, inflammation or fibrosis between GKO and WT mice fed with MCD diet. We investigated the role of PGAM5 deficiency in a variety of cell types. In differentiated THP-1 cells, PGAM5 silencing significantly increased pro-inflammatory cytokine secretion and decreased antioxidative proteins, including nuclear factor erythroid 2- related factors (NRF2), heme oxygenase-1 (HO-1) and GPX6 without affecting mTOR activity. In HepG2 cells with steatosis, PGAM5 knockdown reduced insulin sensitivity, increased mTOR phosphorylation and reduced the expression of NRF2, catalase (CAT), HO-1 and GPX6. Conversely, PGAM5 knockdown reduced TG accumulation, increased insulin sensitivity, and increased antioxidative genes in 3T3-L1 cells, despite the up-regulation in mTOR phosphorylation. CONCLUSIONS PGAM5-KO relieved hepatic steatosis and inflammation in HFHF model, promoted inflammation in MCS-fed mice and had no effects on the MCD-fed model. The distinct effects may be owing to the different effects of PGAM5-KO on anti-oxidative pathways in energy-dependent, possible involves mTOR, and/or cell type-dependent manner. Our findings suggest that PGAM5 can be a potential therapeutic target for NASH.
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Affiliation(s)
- Li Li
- Department of Endocrinology and Metabolism, Peking University People's Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing, 100044, People's Republic of China
- Department of Nutrition, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
| | - Chengcheng Guo
- Department of Endocrinology and Metabolism, Peking University People's Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing, 100044, People's Republic of China
| | - Yue Yu
- Department of Endocrinology and Metabolism, Peking University People's Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing, 100044, People's Republic of China
| | - Lu Tie
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Guotao Lu
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225001, China
| | - Feng Liu
- Beijing Key Laboratory of Hepatitis C and Immunotherapy for Liver Diseases, Beijing International Cooperation Base for Science and Technology on NAFLD Diagnosis, Peking University People's Hospital, Peking University Hepatology Institute, Beijing, 100044, China
| | - Xueyao Han
- Department of Endocrinology and Metabolism, Peking University People's Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing, 100044, People's Republic of China
| | - Linong Ji
- Department of Endocrinology and Metabolism, Peking University People's Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing, 100044, People's Republic of China.
| | - Xiantong Zou
- Department of Endocrinology and Metabolism, Peking University People's Hospital, No.11 Xizhimen South Street, Xicheng District, Beijing, 100044, People's Republic of China.
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Yuan X, Li L, Zhang Y, Ai R, Li D, Dou Y, Hou M, Zhao D, Zhao S, Nan Y. Heme oxygenase 1 alleviates nonalcoholic steatohepatitis by suppressing hepatic ferroptosis. Lipids Health Dis 2023; 22:99. [PMID: 37422643 DOI: 10.1186/s12944-023-01855-7] [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: 03/09/2023] [Accepted: 06/22/2023] [Indexed: 07/10/2023] Open
Abstract
BACKGROUND Heme oxygenase 1 (HO-1) has an influential but insufficiently investigated effect on ferroptosis, which is a novel form of programmed cell death and may play an effect on nonalcoholic steatohepatitis (NASH). However, the understanding of the mechanism is limited. Herein, our study aimed to explore the mechanism and role of HO-1 in NASH ferroptosis. METHODS Hepatocyte conditional HO-1 knockout (HO-1HEPKO) C57BL/6J mice were established and fed a high-fat diet (HFD). Additionally, wild-type mice were fed either a normal diet or a HFD. Hepatic steatosis, inflammation, fibrosis, lipid peroxidation, and iron overload were assessed. AML12 and HepG2 cells were used to investigate the underlying mechanisms in vitro. Finally, liver sections from NASH patients were used to clinically validate the histopathology of ferroptosis. RESULTS In mice, HFD caused lipid accumulation, inflammation, fibrosis, and lipid peroxidation, which were aggravated by HO-1HEPKO. In line with the in vivo results, HO-1 knockdown upregulated reactive oxygen species accumulation, lipid peroxidation, and iron overload in AML12 and HepG2 cells. Additionally, HO-1 knockdown reduced the GSH and SOD levels, which was in contrast to HO-1 overexpression in vitro. Furthermore, the present study revealed that the NF-κB signaling pathway was associated with ferroptosis in NASH models. Likewise, these findings were consistent with the liver histopathology results of NASH patients. CONCLUSION The current study showed that HO-1 could alleviate NASH progression by mediating ferroptosis.
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Affiliation(s)
- Xiwei Yuan
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Lu Li
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Ying Zhang
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Rong Ai
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Dongdong Li
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Yao Dou
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Mengmeng Hou
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Dandan Zhao
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Suxian Zhao
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China
| | - Yuemin Nan
- Department of Traditional and Western Medical Hepatology, Hebei Provincial Key Laboratory of liver fibrosis in chronic liver diseases, Third Hospital of Hebei Medical University, Shijiazhuang, 050051, Hebei, China.
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Machado IF, Palmeira CM, Rolo AP. Preservation of Mitochondrial Health in Liver Ischemia/Reperfusion Injury. Biomedicines 2023; 11:biomedicines11030948. [PMID: 36979927 PMCID: PMC10046671 DOI: 10.3390/biomedicines11030948] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/06/2023] [Accepted: 03/16/2023] [Indexed: 03/22/2023] Open
Abstract
Liver ischemia-reperfusion injury (LIRI) is a major cause of the development of complications in different clinical settings such as liver resection and liver transplantation. Damage arising from LIRI is a major risk factor for early graft rejection and is associated with higher morbidity and mortality after surgery. Although the mechanisms leading to the injury of parenchymal and non-parenchymal liver cells are not yet fully understood, mitochondrial dysfunction is recognized as a hallmark of LIRI that exacerbates cellular injury. Mitochondria play a major role in glucose metabolism, energy production, reactive oxygen species (ROS) signaling, calcium homeostasis and cell death. The diverse roles of mitochondria make it essential to preserve mitochondrial health in order to maintain cellular activity and liver integrity during liver ischemia/reperfusion (I/R). A growing body of studies suggest that protecting mitochondria by regulating mitochondrial biogenesis, fission/fusion and mitophagy during liver I/R ameliorates LIRI. Targeting mitochondria in conditions that exacerbate mitochondrial dysfunction, such as steatosis and aging, has been successful in decreasing their susceptibility to LIRI. Studying mitochondrial dysfunction will help understand the underlying mechanisms of cellular damage during LIRI which is important for the development of new therapeutic strategies aimed at improving patient outcomes. In this review, we highlight the progress made in recent years regarding the role of mitochondria in liver I/R and discuss the impact of liver conditions on LIRI.
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Affiliation(s)
- Ivo F. Machado
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000 Coimbra, Portugal
- IIIUC—Institute of Interdisciplinary Research, University of Coimbra, 3000 Coimbra, Portugal
| | - Carlos M. Palmeira
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000 Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, 3000 Coimbra, Portugal
| | - Anabela P. Rolo
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3000 Coimbra, Portugal
- Department of Life Sciences, University of Coimbra, 3000 Coimbra, Portugal
- Correspondence: ; Tel.: +351-239-240-700
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Su X, Zhou M, Li Y, Zhang J, An N, Yang F, Zhang G, Yuan C, Chen H, Wu H, Xing Y. Protective effects of natural products against myocardial ischemia/reperfusion: Mitochondria-targeted therapeutics. Biomed Pharmacother 2022; 149:112893. [PMID: 35366532 DOI: 10.1016/j.biopha.2022.112893] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 02/06/2023] Open
Abstract
Patients with ischemic heart disease receiving reperfusion therapy still need to face left ventricular remodeling and heart failure after myocardial infarction. Reperfusion itself paradoxically leads to further cardiomyocyte death and systolic dysfunction. Ischemia/reperfusion (I/R) injury can eliminate the benefits of reperfusion therapy in patients and causes secondary myocardial injury. Mitochondrial dysfunction and structural disorder are the basic driving force of I/R injury. We summarized the basic relationship and potential mechanisms of mitochondrial injury in the development of I/R injury. Subsequently, this review summarized the natural products (NPs) that have been proven to targeting mitochondrial therapeutic effects during I/R injury in recent years and related cellular signal transduction pathways. We found that these NPs mainly protected the structural integrity of mitochondria and improve dysfunction, such as reducing mitochondrial division and fusion abnormalities, improving mitochondrial Ca2+ overload and inhibiting reactive oxygen species overproduction, thereby playing a role in protecting cardiomyocytes during I/R injury. This data would deepen the understanding of I/R-induced mitochondrial pathological process and suggested that NPs are expected to be transformed into potential therapies targeting mitochondria.
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Affiliation(s)
- Xin Su
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Mingyang Zhou
- Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Yingjian Li
- Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China
| | - Jianzhen Zhang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Na An
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Fan Yang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Guoxia Zhang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Chao Yuan
- Dezhou Second People's Hospital, Dezhou 253000, China
| | - Hengwen Chen
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
| | - Hongjin Wu
- Beijing Haidian Hospital, Haidian Section of Peking University Third Hospital, Beijing 100191, China.
| | - Yanwei Xing
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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Ali FF, Mokhemer SA, Elroby Ali DM. Administration of hemin ameliorates ovarian ischemia reperfusion injury via modulation of heme oxygenase-1 and p-JNK/p-NF-κBp65/iNOS signaling pathway. Life Sci 2022; 296:120431. [PMID: 35218766 DOI: 10.1016/j.lfs.2022.120431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 02/12/2022] [Accepted: 02/20/2022] [Indexed: 11/25/2022]
Abstract
AIMS Ovarian torsion is the fifth common gynecological emergency that can affect females of all ages particularly during reproductive age and its management by detorsion leads to ovarian ischemia reperfusion (IR) injury. Therefore, prophylactic measures are required to protect the ovarian function after detorsion. So that, our study aimed to assess the effect and underlying mechanisms of heme oxygenase-1 (HO-1) inducer; hemin against ovarian damage induced by IR injury in rats. MAIN METHODS Female rats were divided into: sham group, hemin group, ovarian IR (OIR) groups with and without hemin treatment. Serum levels of reduced glutathione (GSH) and interleukin 1 β (IL-1β) were measured in addition to ovarian levels of malondialdehyde (MDA), nitric oxide (NO) and superoxide dismutase (SOD). Ovarian phospho-Janus kinase (p-JNK) levels and gene expressions of HO-1 and inducible nitric oxide synthase (iNOS) were determined. Moreover, histopathological changes and expressions of phospho-nuclear factor kappa B p65 (p-NF-κB p65) and cleaved caspase-3 were done. KEY FINDINGS Treatment of OIR rats with hemin led to significant attenuation of ovarian damage through histological examination which was associated with significant increase in ovarian expression of HO-1, ovarian SOD and serum GSH levels with significant decrease in ovarian p-JNK levels, expressions of p-NF-κB p65, iNOS and cleaved caspase-3 in addition to serum IL-1β levels. SIGNIFICANCE The protective effect of hemin can be attributed to the increased expression of HO-1 which showed antioxidant, anti-inflammatory and anti-apoptotic effects. Therefore, hemin can be administered to prevent ovarian IR injury which occurs after detorsion.
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Affiliation(s)
- Fatma F Ali
- Medical Physiology Department, Faculty of Medicine, Minia University, Minia, Egypt.
| | - Sahar A Mokhemer
- Histology and Cell Biology Department, Faculty of Medicine, Minia University, Minia, Egypt
| | - Doaa M Elroby Ali
- Biochemistry Department, Faculty of Pharmacy, Sohag University, Sohag, Egypt
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Targeting PINK1 Using Natural Products for the Treatment of Human Diseases. BIOMED RESEARCH INTERNATIONAL 2021; 2021:4045819. [PMID: 34751247 PMCID: PMC8572127 DOI: 10.1155/2021/4045819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/20/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022]
Abstract
PINK1, also known as PARK6, is a PTEN-induced putative kinase 1 that is encoded by nuclear genes. PINK1 is ubiquitously expressed and regulates mitochondrial function and mitophagy in a range of cell types. The dysregulation of PINK1 is associated with the pathogenesis and development of mitochondrial-associated disorders. Many natural products could regulate PINK1 to relieve PINK1-associated diseases. Here, we review the structure and function of PINK1, its relationship to human diseases, and the regulation of natural products to PINK1. We further highlight that the discovery of natural PINK1 regulators represents an attractive strategy for the treatment of PINK1-related diseases, including liver and heart diseases, cancer, and Parkinson's disease. Moreover, investigating PINK1 regulation of natural products can enhance the in-depth comprehension of the mechanism of action of natural products.
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9
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Liang MZ, Ke TL, Chen L. Mitochondrial Protein PGAM5 Emerges as a New Regulator in Neurological Diseases. Front Mol Neurosci 2021; 14:730604. [PMID: 34630036 PMCID: PMC8496500 DOI: 10.3389/fnmol.2021.730604] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 08/30/2021] [Indexed: 11/30/2022] Open
Abstract
As mitochondrial dysfunction has increasingly been implicated in neurological diseases, much of the investigation focuses on the response of the mitochondria. It appears that mitochondria can respond to external stimuli speedy fast, in seconds. Understanding how mitochondria sense the signal and communicate with cytosolic pathways are keys to understand mitochondrial regulation in diseases or in response to trauma. It was not until recently that a novel mitochondrial protein, phosphoglycerate mutase family member 5 (PGAM5) has emerged to be a new regulator of mitochondrial homeostasis. Although controversial results reveal beneficial as well as detrimental roles of PGAM5 in cancers, these findings also suggest PGAM5 may have diverse regulation on cellular physiology. Roles of PGAM5 in neuronal tissues remain to be uncovered. This review discusses current knowledge of PGAM5 in neurological diseases and provides future perspectives.
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Affiliation(s)
- Min-Zong Liang
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Ting-Ling Ke
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan
| | - Linyi Chen
- Institute of Molecular Medicine, National Tsing Hua University, Hsinchu, Taiwan.,Department of Medical Science, National Tsing Hua University, Hsinchu, Taiwan
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10
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Yu LP, Shi TT, Li YQ, Mu JK, Yang YQ, Li WX, Yu J, Yang XX. The impact of Traditional Chinese Medicine on mitophagy in disease models. Curr Pharm Des 2021; 28:488-496. [PMID: 34620055 DOI: 10.2174/1381612827666211006150410] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/24/2021] [Indexed: 11/22/2022]
Abstract
Mitophagy plays an important role in maintaining mitochondrial quality and cell homeostasis through the degradation of damaged, aged, and dysfunctional mitochondria and misfolded proteins. Many human diseases, particularly neurodegenerative diseases, are related to disorders of mitochondrial phagocytosis. Exploring the regulatory mechanisms of mitophagy is of great significance for revealing the molecular mechanisms underlying the related diseases. Herein, we summarize the major mechanisms of mitophagy, the relationship of mitophagy with human diseases, and the role of traditional Chinese medicine (TCM) in mitophagy. These discussions enhance our knowledge of mitophagy and its potential therapeutic targets using TCM.
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Affiliation(s)
- Li-Ping Yu
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
| | - Ting-Ting Shi
- Department of Pharmaceutical Preparation, The Xixi Hospital of Hangzhou Affiliated to Zhejiang University of Traditional Chinese Medicine, Hangzhou 310023. China
| | - Yan-Qin Li
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
| | - Jian-Kang Mu
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
| | - Ya-Qin Yang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
| | - Wei-Xi Li
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
| | - Jie Yu
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
| | - Xing-Xin Yang
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, 1076 Yuhua Road, Kunming 650500. China
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Zhao HL, Zhang J, Zhu Y, Wu Y, Yan QG, Peng XY, Xiang XM, Tian KL, Li T, Liu LM. Protective effects of HBOC on pulmonary vascular leakage after haemorrhagic shock and the underlying mechanisms. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2021; 48:1272-1281. [PMID: 33084450 DOI: 10.1080/21691401.2020.1835937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Volume resuscitation is an important early treatment for haemorrhagic shock. Haemoglobin-based oxygen carrier (HBOC) can expand the volume and provide oxygen for tissues. Vascular leakage is common complication in the process of haemorrhagic shock and resuscitation. The aim of this study was to observe the effects of HBOC (a bovine-derived, cross-linked tetramer haemoglobin oxygen-carrying solution, 0.5 g/L) on vascular leakage in rats after haemorrhagic shock. A haemorrhagic shock rat model and hypoxic vascular endothelial cells (VECs) were used. The role of intercellular junctions and endothelial glycocalyx in the protective effects of HBOC and the relationship with mitochondrial function were analysed. After haemorrhagic shock, the pulmonary vascular permeability to FITC-BSA, Evans Blue was increased, endothelial glycocalyx was destroyed and the expression of intercellular junction proteins was decreased. After haemorrhagic shock, a small volume of HBOC solution (6 ml/kg) protected pulmonary vascular permeability, increased structural thickness of endothelial glycocalyx, the levels of its components and increased expression levels of the intercellular junction proteins ZO-1, VE-cadherin and occludin. Moreover, HBOC significantly increased oxygen delivery and consumption in rats, improved VEC mitochondrial function and structure. In conclusion, HBOC mitigates endothelial leakage by protecting endothelial glycocalyx and intercellular junctions through improving mitochondrial function and tissue oxygen delivery.
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Affiliation(s)
- Hong Liang Zhao
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Jie Zhang
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Yu Zhu
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Yue Wu
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Qing Guang Yan
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Xiao Yong Peng
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Xin Ming Xiang
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Kun Lun Tian
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Tao Li
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
| | - Liang Ming Liu
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, P.R. China
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12
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Oliveira RP, Machado IF, Palmeira CM, Rolo AP. The potential role of sestrin 2 in liver regeneration. Free Radic Biol Med 2021; 163:255-267. [PMID: 33359262 DOI: 10.1016/j.freeradbiomed.2020.12.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 11/25/2020] [Accepted: 12/17/2020] [Indexed: 12/27/2022]
Abstract
Liver regeneration is a remarkably complex phenomenon conserved across all vertebrates, enabling the restoration of lost liver mass in a matter of days. Unfortunately, extensive damage to the liver may compromise this process, often leading to the death of affected individuals. Ischemia/reperfusion injury (IRI) is a common source of damage preceding regeneration, often present during liver transplantation, resection, trauma, or hemorrhagic shock. Increased oxidative stress and mitochondrial dysfunction are key hallmarks of IRI, which can jeopardize the liver's ability to regenerate. Therefore, a better understanding of both liver regeneration and IRI is of important clinical significance. In the current review, we discuss the potential role of sestrin 2 (SESN2), a novel anti-aging protein, in liver regeneration and ischemia/reperfusion preceding regeneration. We highlight its beneficial role in protecting cells from mitochondrial dysfunction and oxidative stress as key aspects of its involvement in liver regeneration. Additionally, we describe how its ability to promote the expression of Nrf2 bears significant importance in this context. Finally, we focus on a potential novel link between SESN2, mitohormesis and ischemic preconditioning, which could explain some of the protective effects of preconditioning.
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Affiliation(s)
- Raúl P Oliveira
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal
| | - Ivo F Machado
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal; CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Carlos M Palmeira
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal; CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Anabela P Rolo
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, Coimbra, Portugal; CNC - Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.
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13
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Chen Y, Gong K, Xu Q, Meng J, Long T, Chang C, Wang Z, Liu W. Phosphoglycerate Mutase 5 Knockdown Alleviates Neuronal Injury After Traumatic Brain Injury Through Drp1-Mediated Mitochondrial Dysfunction. Antioxid Redox Signal 2021; 34:154-170. [PMID: 32253918 DOI: 10.1089/ars.2019.7982] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aims: Traumatic brain injury (TBI) is a major cause of disability and death, and a better understanding of the underlying mechanisms of mitochondrial dysfunction will provide important targets for preventing damage from neuronal insults. Phosphoglycerate mutase 5 (PGAM5) is localized to the mitochondrial outer-inner membrane contact sites, and the PGAM5-Drp1 pathway is involved in mitochondrial dysfunction and cell death. The purpose of this project was to evaluate the effects of PGAM5 on neuronal injury and mitochondrial dysfunction. Results: PGAM5 was overexpressed in mice subjected to TBI and in primary cortical neurons injured by mechanical equiaxial stretching. PGAM5 deficiency alleviated neuroinflammation, blocked Parkin, PINK1, and Drp1 translocation to mitochondria and abnormal phosphorylation of Drp1, mitochondrial ultrastructural changes, and nerve malfunction in TBI mouse model. PGAM5-shRNA (short hairpin RNA) reduced Drp1 translocation and activation, including dephosphorylation of p-Drp1 on Ser622 (human Drp1 Ser616) and phosphorylation of Drp1 on Ser643 (human Drp1 Ser637). The levels of inflammatory cytokines, the degree of mitochondrial impairment (mitochondrial membrane potential, ADP/ATP, AMP/ADP, antioxidant capacity), and neuronal injury in stretch-induced primary cortical neurons were reduced by blocking expression of PGAM5. The inhibition of PGAM5 is neuroprotective via attenuation of Drp1 activation, similar to that achieved by mitochondrial division inhibitor-1 (Mdivi1)-mediated Drp1 inhibition. Innovation and Conclusion: Our findings demonstrate the critical role of PGAM5 in progression of neuronal injury from TBI via Drp1 activation (dephosphorylation of p-Drp1 on Ser622 and phosphorylation of Drp1 on Ser643)-mediated mitochondrial dysfunction. The data may open a window for developing new drugs to prevent the neuropathology of TBI.
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Affiliation(s)
- Yuhua Chen
- Department of Central Laboratory, Xi'an Peihua University, Xi'an, China
| | - Kai Gong
- Department of Neurosurgery, First Affiliated Hospital of Xia'men University, Xia'men, China
| | - Quanhua Xu
- Department of Neurosurgery, Bijie First People's Hospital, Bijie, China
| | - Jiao Meng
- Department of Central Laboratory, Xi'an Peihua University, Xi'an, China
| | - Tianlin Long
- Department of Neurosurgery, Bijie First People's Hospital, Bijie, China
| | - Cuicui Chang
- Department of Central Laboratory, Xi'an Peihua University, Xi'an, China
| | - Zhanxiang Wang
- Department of Neurosurgery, First Affiliated Hospital of Xia'men University, Xia'men, China
| | - Wei Liu
- Department of Neurosurgery, Bijie First People's Hospital, Bijie, China
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14
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Cheng M, Lin N, Dong D, Ma J, Su J, Sun L. PGAM5: A crucial role in mitochondrial dynamics and programmed cell death. Eur J Cell Biol 2020; 100:151144. [PMID: 33370650 DOI: 10.1016/j.ejcb.2020.151144] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/02/2020] [Accepted: 12/03/2020] [Indexed: 12/17/2022] Open
Abstract
In response to mitochondrial damage, mitochondria activate mitochondrial dynamics to maintain normal functions, and an imbalance in mitochondrial dynamics triggers multiple programmed cell death processes. Recent studies have shown that phosphoglycerate mutase 5 (PGAM5) is associated with mitochondrial damage. PGAM5 activates mitochondrial biogenesis and mitophagy to promote a cellular compensatory response when mitochondria are mildly damaged, whereas severe damage to mitochondria leads to PGAM5 inducing excessive mitochondria fission, disruption to mitochondrial movement, and amplification of apoptosis, necroptosis and mitophagic death signals, which eventually evoke cell death. PGAM5 functions mainly through protein-protein interactions and specific Ser/Thr/His protein phosphatase activity. PGAM5 is also regulated by mitochondrial proteases. Detection of PGAM5 and its interacting protein partners should enable a more accurate evaluation of mitochondrial damage and a more precise method for the diagnosis and treatment of diseases.
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Affiliation(s)
- Meiyu Cheng
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, China
| | - Nan Lin
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, China
| | - Delu Dong
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, China
| | - Jiaoyan Ma
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, China
| | - Jing Su
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, China.
| | - Liankun Sun
- Key Laboratory of Pathobiology, Ministry of Education, Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun, Jilin, 130021, China.
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15
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Zuo W, Yan F, Liu Z, Zhang B. miR-330 regulates Drp-1 mediated mitophagy by targeting PGAM5 in a rat model of permanent focal cerebral ischemia. Eur J Pharmacol 2020; 880:173143. [PMID: 32360974 DOI: 10.1016/j.ejphar.2020.173143] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 02/06/2023]
Abstract
Growing evidence have suggested that mitophagy could exert a neuroprotective role in brain ischemia by removing the damaged mitochondria. However the upstream mechanisms of mitophagy are remain unclear. We previously observed a decrease of miR-330 in a miRNA profile of plasma from patients within 3 h after a stroke. Our study further focused on the role and mechanism of miR-330 in mitophagy induced by hypoxia-ischemia (H/I) in rats. Cerebral ischemia model in rats was made with permanent middle cerebral artery occlusion (pMCAO). In vitro, ischemic model in primary neurons was established with oxygen-glucose deprivation. Various methods, including TTC staining, immunofluorescence staining, Western blot, ELISA, flow cytometry, and transmission electron microscopy were used to clarify the role of miR-330 after H/I, and whether miR-330/phosphoglycerate mutase family member 5 (PGAM5) axis could regulate dynamin-related protein 1 (Drp-1) mediated mitophagy. MiR-330 levels decreased both in rat plasma and in ipsilateral brain tissues after H/I. Pretreating animals with miR-330 antagomir could decrease cerebral infarction, edema, mortality, and apoptosis after 6-h pMCAO. PGAM5 was validated as a target of miR-330. MiR-330 agomir and antagomir transfection respectively decreased and increased the PGAM5 protein expression. MiR-330 could down-regulate mitophagy by inhibiting PGAM5-induced Drp1 dephosphorylation, thus reducing the recruitment of Drp1 to mitochondrial outer membrane and Drp1-mediated mitophagy after H/I. Our results suggest a role of miR-330 in regulating mitophagy. Our study suggested a novel miR-based intervention strategy for stroke.
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Affiliation(s)
- Wei Zuo
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education", Yantai University, Yantai, China
| | - Feng Yan
- Cerebrovascular Diseases Research Institute, Xuanwu Hospital of Capital Medical University, Beijing, China; Department of Neurobiology, Capital Medical University, Beijing, China
| | - Zhenyu Liu
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Bo Zhang
- Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
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16
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Ma X, McKeen T, Zhang J, Ding WX. Role and Mechanisms of Mitophagy in Liver Diseases. Cells 2020; 9:cells9040837. [PMID: 32244304 PMCID: PMC7226762 DOI: 10.3390/cells9040837] [Citation(s) in RCA: 133] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/23/2020] [Accepted: 03/28/2020] [Indexed: 12/12/2022] Open
Abstract
The mitochondrion is an organelle that plays a vital role in the regulation of hepatic cellular redox, lipid metabolism, and cell death. Mitochondrial dysfunction is associated with both acute and chronic liver diseases with emerging evidence indicating that mitophagy, a selective form of autophagy for damaged/excessive mitochondria, plays a key role in the liver’s physiology and pathophysiology. This review will focus on mitochondrial dynamics, mitophagy regulation, and their roles in various liver diseases (alcoholic liver disease, non-alcoholic fatty liver disease, drug-induced liver injury, hepatic ischemia-reperfusion injury, viral hepatitis, and cancer) with the hope that a better understanding of the molecular events and signaling pathways in mitophagy regulation will help identify promising targets for the future treatment of liver diseases.
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Affiliation(s)
- Xiaowen Ma
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd., Kansas City, KS 66160, USA; (X.M.); (T.M.)
| | - Tara McKeen
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd., Kansas City, KS 66160, USA; (X.M.); (T.M.)
| | - Jianhua Zhang
- Department of Pathology, Division of Molecular Cellular Pathology, University of Alabama at Birmingham, 901 19th street South, Birmingham, AL 35294, USA;
| | - Wen-Xing Ding
- Department of Pharmacology, Toxicology and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd., Kansas City, KS 66160, USA; (X.M.); (T.M.)
- Correspondence: ; Tel.: +1-913-588-9813
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17
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Ke PY. Mitophagy in the Pathogenesis of Liver Diseases. Cells 2020; 9:cells9040831. [PMID: 32235615 PMCID: PMC7226805 DOI: 10.3390/cells9040831] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/25/2020] [Accepted: 03/27/2020] [Indexed: 02/07/2023] Open
Abstract
Autophagy is a catabolic process involving vacuolar sequestration of intracellular components and their targeting to lysosomes for degradation, thus supporting nutrient recycling and energy regeneration. Accumulating evidence indicates that in addition to being a bulk, nonselective degradation mechanism, autophagy may selectively eliminate damaged mitochondria to promote mitochondrial turnover, a process termed “mitophagy”. Mitophagy sequesters dysfunctional mitochondria via ubiquitination and cargo receptor recognition and has emerged as an important event in the regulation of liver physiology. Recent studies have shown that mitophagy may participate in the pathogenesis of various liver diseases, such as liver injury, liver steatosis/fatty liver disease, hepatocellular carcinoma, viral hepatitis, and hepatic fibrosis. This review summarizes the current knowledge on the molecular regulations and functions of mitophagy in liver physiology and the roles of mitophagy in the development of liver-related diseases. Furthermore, the therapeutic implications of targeting hepatic mitophagy to design a new strategy to cure liver diseases are discussed.
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Affiliation(s)
- Po-Yuan Ke
- Department of Biochemistry & Molecular Biology and Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; ; Tel.: +886-3-211-8800 (ext. 5115); Fax: +886-3-211-8700
- Liver Research Center, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- Division of Allergy, Immunology, and Rheumatology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
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18
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Sokolova IM, Sokolov EP, Haider F. Mitochondrial Mechanisms Underlying Tolerance to Fluctuating Oxygen Conditions: Lessons from Hypoxia-Tolerant Organisms. Integr Comp Biol 2020; 59:938-952. [PMID: 31120535 DOI: 10.1093/icb/icz047] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Oxygen (O2) is essential for most metazoan life due to its central role in mitochondrial oxidative phosphorylation (OXPHOS), which generates >90% of the cellular adenosine triphosphate. O2 fluctuations are an ultimate mitochondrial stressor resulting in mitochondrial damage, energy deficiency, and cell death. This work provides an overview of the known and putative mechanisms involved in mitochondrial tolerance to fluctuating O2 conditions in hypoxia-tolerant organisms including aquatic and terrestrial vertebrates and invertebrates. Mechanisms of regulation of the mitochondrial OXPHOS and electron transport system (ETS) (including alternative oxidases), sulphide tolerance, regulation of redox status and mitochondrial quality control, and the potential role of hypoxia-inducible factor (HIF) in mitochondrial tolerance to hypoxia are discussed. Mitochondrial phenotypes of distantly related animal species reveal common features including conservation and/or anticipatory upregulation of ETS capacity, suppression of reactive oxygen species (ROS)-producing electron flux through ubiquinone, reversible suppression of OXPHOS activity, and investment into the mitochondrial quality control mechanisms. Despite the putative importance of oxidative stress in adaptations to hypoxia, establishing the link between hypoxia tolerance and mitochondrial redox mechanisms is complicated by the difficulties of establishing the species-specific concentration thresholds above which the damaging effects of ROS outweigh their potentially adaptive signaling function. The key gaps in our knowledge about the potential mechanisms of mitochondrial tolerance to hypoxia include regulation of mitochondrial biogenesis and fusion/fission dynamics, and HIF-dependent metabolic regulation that require further investigation in hypoxia-tolerant species. Future physiological, molecular and genetic studies of mitochondrial responses to hypoxia, and reoxygenation in phylogenetically diverse hypoxia-tolerant species could reveal novel solutions to the ubiquitous and metabolically severe problem of O2 deficiency and would have important implications for understanding the evolution of hypoxia tolerance and the potential mitigation of pathological states caused by O2 fluctuations.
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Affiliation(s)
- Inna M Sokolova
- Department of Marine Biology, University of Rostock, Rostock, Germany.,Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, Rostock, Germany
| | - Eugene P Sokolov
- Leibniz Institute for Baltic Sea Research, Leibniz ScienceCampus Phosphorus Research Rostock, Warnemünde, Germany
| | - Fouzia Haider
- Department of Marine Biology, University of Rostock, Rostock, Germany
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19
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Zakaria A, Rady M, Mahran L, Abou-Aisha K. Pioglitazone Attenuates Lipopolysaccharide-Induced Oxidative Stress, Dopaminergic Neuronal Loss and Neurobehavioral Impairment by Activating Nrf2/ARE/HO-1. Neurochem Res 2019; 44:10.1007/s11064-019-02907-0. [PMID: 31713708 DOI: 10.1007/s11064-019-02907-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 11/03/2019] [Accepted: 11/06/2019] [Indexed: 12/11/2022]
Abstract
The aim of the present study was to examine the neuroprotective potential of pioglitazone via activation of Nrf2/ARE-dependent HO-1 signaling pathway in chronic neuroinflammation and progressive neurodegeneration mouse model induced by lipopolysaccharide (LPS). After assessing spatial memory, anxiety and motor-coordination, TH+ neurons in substantia nigra (SN) were counted. The oxidative stress marker carbonyl protein levels and HO-1 enzyme activity were also evaluated. RT-qPCR was conducted to detect HO-1, Nrf2 and NF-κp65 mRNA expression levels and Nrf2 transcriptional activation of antioxidant response element (ARE) of HO-1 was investigated. Pioglitazone ameliorated LPS-induced dopaminergic neuronal loss, as well as mitigated neurobehavioral impairments. It enhanced Nrf2 mRNA expression, and augmented Nrf2/ARE-dependent HO-1 pathway activation by amplifying HO-1 mRNA expression. Moreover, it induced a significant decrease in NF-κB p65 mRNA expression, while reducing carbonyl protein levels and restoring the HO-1 enzyme activity. Interestingly, LPS induced Nrf2/antioxidant response element (ARE) of HO-1 activation, ultimately resulting in slight enhanced HO-1 mRNA expression. However, LPS elicited decrease in HO-1 enzyme activity. Zinc protoporphyrin-IX (ZnPPIX) administrated with pioglitazone abolished its effects in the LPS mouse model. The study results demonstrate that coordinated activation of Nrf2/ARE-dependent HO-1 pathway defense mechanism by the PPARγ agonist pioglitazone mediated its neuroprotective effects.
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Affiliation(s)
- Aya Zakaria
- Department of Pharmacology and Toxicology, German University in Cairo (GUC), New Cairo, Egypt.
| | - Mona Rady
- Department of Microbiology and Immunology, German University in Cairo (GUC), New Cairo, Egypt
| | - Laila Mahran
- Department of Pharmacology and Toxicology, German University in Cairo (GUC), New Cairo, Egypt
| | - Khaled Abou-Aisha
- Department of Microbiology and Immunology, German University in Cairo (GUC), New Cairo, Egypt.
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20
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Deng R, Liu Y, He H, Zhang H, Zhao C, Cui Z, Hong Y, Li X, Lin F, Yuan D, Liang X, Zhang Y. Haemin pre-treatment augments the cardiac protection of mesenchymal stem cells by inhibiting mitochondrial fission and improving survival. J Cell Mol Med 2019; 24:431-440. [PMID: 31660694 PMCID: PMC6933414 DOI: 10.1111/jcmm.14747] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/11/2019] [Accepted: 09/13/2019] [Indexed: 02/06/2023] Open
Abstract
The cardiac protection of mesenchymal stem cell (MSC) transplantation for myocardial infarction (MI) is largely hampered by low cell survival. Haem oxygenase 1 (HO‐1) plays a critical role in regulation of cell survival under many stress conditions. This study aimed to investigate whether pre‐treatment with haemin, a potent HO‐1 inducer, would promote the survival of MSCs under serum deprivation and hypoxia (SD/H) and enhance the cardioprotective effects of MSCs in MI. Bone marrow (BM)‐MSCs were pretreated with or without haemin and then exposed to SD/H. The mitochondrial morphology of MSCs was determined by MitoTracker staining. BM‐MSCs and haemin‐pretreated BM‐MSCs were transplanted into the peri‐infarct region in MI mice. SD/H induced mitochondrial fragmentation, as shown by increased mitochondrial fission and apoptosis of BM‐MSCs. Pre‐treatment with haemin greatly inhibited SD/H‐induced mitochondrial fragmentation and apoptosis of BM‐MSCs. These effects were partially abrogated by knocking down HO‐1. At 4 weeks after transplantation, compared with BM‐MSCs, haemin‐pretreated BM‐MSCs had greatly improved the heart function of mice with MI. These cardioprotective effects were associated with increased cell survival, decreased cardiomyocytes apoptosis and enhanced angiogenesis. Collectively, our study identifies haemin as a regulator of MSC survival and suggests a novel strategy for improving MSC‐based therapy for MI.
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Affiliation(s)
- Rui Deng
- Department of General Surgery, The Second Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yaming Liu
- School of Pharmacy, Bengbu Medical College, Bengbu, China
| | - Haiwei He
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Hao Zhang
- School of Pharmacy, Bengbu Medical College, Bengbu, China
| | - Chenling Zhao
- Department of Respiratory Medicine, the First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Zhen Cui
- Department of Radiation Oncology, the First Affiliated Hospital of Bengbu Medical College, Bengbu, China
| | - Yimei Hong
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xin Li
- Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Fang Lin
- Clinical Translational Medical Research Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Dongsheng Yuan
- Clinical Translational Medical Research Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaoting Liang
- Clinical Translational Medical Research Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuelin Zhang
- School of Pharmacy, Bengbu Medical College, Bengbu, China.,Department of Emergency Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
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21
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Kwak YT, Muralimanoharan S, Gogate AA, Mendelson CR. Human Trophoblast Differentiation Is Associated With Profound Gene Regulatory and Epigenetic Changes. Endocrinology 2019; 160:2189-2203. [PMID: 31294776 PMCID: PMC6821221 DOI: 10.1210/en.2019-00144] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 07/03/2019] [Indexed: 12/16/2022]
Abstract
Defective placental implantation and vascularization with accompanying hypoxia contribute to preeclampsia (PE), a leading cause of maternal and neonatal morbidity and mortality. Genetic and epigenetic mechanisms underlying differentiation of proliferative cytotrophoblasts (CytTs) to multinucleated syncytiotrophoblast (SynT) are incompletely defined. The SynT performs key functions in nutrient and gas exchange, hormone production, and protection of the fetus from rejection by the maternal immune system. In this study, we used chromatin immunoprecipitation sequencing of midgestation human trophoblasts before CytT and after SynT differentiation in primary culture to analyze changes in binding of RNA polymerase II (Pol II) and of active and repressive histone marks during SynT differentiation. Our findings reveal that increased Pol II binding to promoters of a subset of genes during trophoblast differentiation was closely correlated with active histone marks. This gene set was enriched in those controlling immune response and immune modulation, including interferon-induced tetratricopeptide repeat and placenta-specific glycoprotein gene family members. By contrast, genes downregulated during SynT differentiation included proinflammatory transcription factors ERG1, cFOS, and cJUN, as well as members of the NR4A orphan nuclear receptor subfamily, NUR77, NURR1, and NOR1. Downregulation of proinflammatory transcription factors upon SynT differentiation was associated with decreased promoter enrichment of endogenous H3K27Ac and H3K9Ac and enhanced binding of H3K9me3 and histone deacetylase 1. However, promoter enrichment of H3K27me3 was low in both CytT and SynT and was not altered with changes in gene expression. These findings provide important insight into mechanisms underlying human trophoblast differentiation and may identify therapeutic targets for placental disorders, such as PE.
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Affiliation(s)
- Youn-Tae Kwak
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas
- North Texas March of Dimes Birth Defects Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Sribalasubashini Muralimanoharan
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas
- North Texas March of Dimes Birth Defects Center, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Aishwarya A Gogate
- Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Carole R Mendelson
- Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas
- North Texas March of Dimes Birth Defects Center, University of Texas Southwestern Medical Center, Dallas, Texas
- Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, Texas
- Correspondence: Carole R. Mendelson, PhD, Department of Biochemistry, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390. E-mail:
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22
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Sharif F, Rasul A, Ashraf A, Hussain G, Younis T, Sarfraz I, Chaudhry MA, Bukhari SA, Ji XY, Selamoglu Z, Ali M. Phosphoglycerate mutase 1 in cancer: A promising target for diagnosis and therapy. IUBMB Life 2019; 71:1418-1427. [PMID: 31169978 DOI: 10.1002/iub.2100] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 05/22/2019] [Indexed: 12/15/2022]
Abstract
Altered enzymatic machineries are a substantial biochemical characteristic of tumor cell metabolism that switch metabolic profile from oxidative phosphorylation to amplified glycolysis as well as increased lactate production under hypoxia conditions. Reprogrammed metabolic profile is an emerging hallmark of cancer. Overexpression of several glycolytic enzymes and glucose transporters has been reported in 24 different types of cancers that represent approximately 70% of all the cancer cases around the globe. Thus, targeting glycolytic enzymes could serve as tempting avenue for drug design against cancer. Phosphoglycerate mutase 1 (PGAM1) is an important glycolytic enzyme that catalyzes the conversion of 3-phosphoglycerate to 2-phosphoglycerate. Recent investigations have revealed the overexpression of PGAM1 in several human cancers that is linked with tumor growth, survival, and invasion. The aim of this review is to update scientific research network with cancer-specific role of PGAM1 to elucidate its capability as bonafide therapeutic target for cancer therapy. Moreover, we have also summarized the reported genetic and pharmacological inhibitors of PGAM1. This study suggests that further investigations on PGAM1 should focus on the exploration of molecular mechanisms of PGAM1 overexpression in development of cancer, assessment of biosafety profiles of known inhibitors of PGAM1, and utilization of PGAM1 inhibitors in combinatorial therapies. These future studies will surely support the unbiased strategies for the development of novel PGAM1 inhibitors for cancer therapies.
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Affiliation(s)
- Farzana Sharif
- Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Azhar Rasul
- Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Asma Ashraf
- Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Ghulam Hussain
- Department of Physiology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Tahira Younis
- Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Iqra Sarfraz
- Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Muhammad Asrar Chaudhry
- Department of Zoology, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Shazia A Bukhari
- Department of Biochemistry, Faculty of Life Sciences, Government College University Faisalabad (GCUF), Pakistan
| | - Xin Y Ji
- Henan International Joint Laboratory of Protein Regulation, College of Medicine, Henan University, Kaifeng, Henan, China
| | - Zeliha Selamoglu
- Department of Medical Biology, Faculty of Medicine, Nigde Ömer Halisdemir University, Turkey
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23
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Effects of hypoxia-reoxygenation stress on mitochondrial proteome and bioenergetics of the hypoxia-tolerant marine bivalve Crassostrea gigas. J Proteomics 2019; 194:99-111. [DOI: 10.1016/j.jprot.2018.12.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/03/2018] [Accepted: 12/10/2018] [Indexed: 12/21/2022]
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24
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Cheng J, Qian D, Ding X, Song T, Cai M, Dan Xie, Wang Y, Zhao J, Liu Z, Wu Z, Pang Q, Zhu L, Wang P, Hao X, Yuan Z. High PGAM5 expression induces chemoresistance by enhancing Bcl-xL-mediated anti-apoptotic signaling and predicts poor prognosis in hepatocellular carcinoma patients. Cell Death Dis 2018; 9:991. [PMID: 30250224 PMCID: PMC6155280 DOI: 10.1038/s41419-018-1017-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/30/2018] [Accepted: 08/31/2018] [Indexed: 12/17/2022]
Abstract
Hepatocellular carcinoma (HCC) is the one of most common and deadly cancers, and is also highly resistant to conventional chemotherapy treatments. Mitochondrial phosphoglycerate mutase/protein phosphatase (PGAM5) regulates mitochondrial homeostasis and cell death, however, little is known about its roles in cancer. The aim of this study was to explore the clinical significance and potential biological functions of PGAM5 in hepatocellular carcinoma. For the first time, our results show that PGAM5 is significantly upregulated in HCC compared with corresponding adjacent noncancerous hepatic tissues and high PGAM5 expression is an independent predictor of reduced survival times in both univariate and multivariate analyses. Additionally, in vivo and in vitro studies showed that depleting PGAM5 expression inhibited tumor growth and increased the 5-fluorouracil sensitivity of HCC cells. Conversely, restoring PGAM5 expression in PGAM5-knockdown cells dramatically enhanced HCC cell resistance to 5-fluorouracil. Importantly, we demonstrated that the mechanism of 5-fluorouracil resistance conferred to HCC cells by PGAM5 was via inhibiting BAX- and cytochrome C-mediated apoptotic signaling by interacting and stabilizing Bcl-xL. Consistently, in the same cohorts of HCC patient tissues, Bcl-xL expression was positively correlated with PGAM5, and together predicted poor prognoses. In Conclusion, Our data highlight the molecular etiology and clinical significance of PGAM5 in HCC. Targeting the novel signaling pathway mediated by PGAM5/Bcl-xL may represent a new therapeutic strategy to improve the survival outcomes of HCC patients.
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Affiliation(s)
- Jingjing Cheng
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Dong Qian
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China.
| | - Xiaofeng Ding
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Tianqiang Song
- Department of Pathology, State Key Laboratory of Oncology in South China, Cancer Center, Sun Yat-Sen University, Guangzhou, China
| | - Muyan Cai
- Department of Hepatobiliary Surgery, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Dan Xie
- Department of Hepatobiliary Surgery, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Yuwen Wang
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Jinlin Zhao
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Zhuang Liu
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Zhiqiang Wu
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Qingsong Pang
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Li Zhu
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Ping Wang
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Xishan Hao
- Department of Gastrointestinal Cancer Biology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China.
| | - Zhiyong Yuan
- Department of radiotherapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China.
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25
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Sui M, Jiang X, Chen J, Yang H, Zhu Y. Magnesium isoglycyrrhizinate ameliorates liver fibrosis and hepatic stellate cell activation by regulating ferroptosis signaling pathway. Biomed Pharmacother 2018; 106:125-133. [PMID: 29957462 DOI: 10.1016/j.biopha.2018.06.060] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 06/11/2018] [Accepted: 06/13/2018] [Indexed: 02/07/2023] Open
Abstract
Ferroptosis is recently reported as a new mode of regulated cell death. It is triggered by disturbed redox homeostasis, overloaded iron and increased lipid peroxidation. Howerver, the role of ferroptosis in hepatic fibrosis remains obscure. In the current study, we attempted to investigate the effect of Magnesium isoglycyrrhizinate (MgIG) on ferroptosis in liver fibrosis, and to further clarify the possible mechanisms. Our data showed that MgIG treatment markedly attenuated liver injury and reduced fibrotic scar formation in the rat model of liver fibrosis. Moreover, experiments in vitro also confirmed that MgIG treatment significantly decreased expression of hepatic stellate cell (HSC) activation markers. Interestingly, HSCs treated by MgIG presented morphological features of ferroptosis. Furthermore, MgIG treatment remarkably induced HSC ferroptosis by promoting the accumulation of iron and lipid peroxides, whereas inhibition of ferroptosis by specific inhibitor ferrostatin-1 (Fer-1) completely abolished MgIG-induced anti-fibrosis effect. More importantly, our results determined that heme oxygenase-1 (HO-1) was in the upstream position of MgIG-induced HSC ferroptosis. Conversely, HO-1 knockdown by siRNA evidently blocked MgIG-induced HSC ferroptosis and in turn exacerbated liver fibrosis. Overall, our research revealed that HO-1 mediated HSC ferroptosis was necessary for MgIG to ameliorate CCl4-induced hepatic fibrosis.
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Affiliation(s)
- Miao Sui
- Xuzhou Traditional Chinese Medicine Hospital, Xuzhou 221009, China
| | - Xiaofei Jiang
- Nanjing University of Traditional Chinese Medicine, Nanjing 210023, China
| | - Jun Chen
- Xuzhou Traditional Chinese Medicine Hospital, Xuzhou 221009, China.
| | - Haiyan Yang
- Xuzhou Traditional Chinese Medicine Hospital, Xuzhou 221009, China
| | - Yan Zhu
- Xuzhou Traditional Chinese Medicine Hospital, Xuzhou 221009, China
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