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Tian HY, Huang BY, Nie HF, Chen XY, Zhou Y, Yang T, Cheng SW, Mei ZG, Ge JW. The Interplay between Mitochondrial Dysfunction and Ferroptosis during Ischemia-Associated Central Nervous System Diseases. Brain Sci 2023; 13:1367. [PMID: 37891735 PMCID: PMC10605666 DOI: 10.3390/brainsci13101367] [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: 08/01/2023] [Revised: 09/12/2023] [Accepted: 09/22/2023] [Indexed: 10/29/2023] Open
Abstract
Cerebral ischemia, a leading cause of disability and mortality worldwide, triggers a cascade of molecular and cellular pathologies linked to several central nervous system (CNS) disorders. These disorders primarily encompass ischemic stroke, Alzheimer's disease (AD), Parkinson's disease (PD), epilepsy, and other CNS conditions. Despite substantial progress in understanding and treating the underlying pathological processes in various neurological diseases, there is still a notable absence of effective therapeutic approaches aimed specifically at mitigating the damage caused by these illnesses. Remarkably, ischemia causes severe damage to cells in ischemia-associated CNS diseases. Cerebral ischemia initiates oxygen and glucose deprivation, which subsequently promotes mitochondrial dysfunction, including mitochondrial permeability transition pore (MPTP) opening, mitophagy dysfunction, and excessive mitochondrial fission, triggering various forms of cell death such as autophagy, apoptosis, as well as ferroptosis. Ferroptosis, a novel type of regulated cell death (RCD), is characterized by iron-dependent accumulation of lethal reactive oxygen species (ROS) and lipid peroxidation. Mitochondrial dysfunction and ferroptosis both play critical roles in the pathogenic progression of ischemia-associated CNS diseases. In recent years, growing evidence has indicated that mitochondrial dysfunction interplays with ferroptosis to aggravate cerebral ischemia injury. However, the potential connections between mitochondrial dysfunction and ferroptosis in cerebral ischemia have not yet been clarified. Thus, we analyzed the underlying mechanism between mitochondrial dysfunction and ferroptosis in ischemia-associated CNS diseases. We also discovered that GSH depletion and GPX4 inactivation cause lipoxygenase activation and calcium influx following cerebral ischemia injury, resulting in MPTP opening and mitochondrial dysfunction. Additionally, dysfunction in mitochondrial electron transport and an imbalanced fusion-to-fission ratio can lead to the accumulation of ROS and iron overload, which further contribute to the occurrence of ferroptosis. This creates a vicious cycle that continuously worsens cerebral ischemia injury. In this study, our focus is on exploring the interplay between mitochondrial dysfunction and ferroptosis, which may offer new insights into potential therapeutic approaches for the treatment of ischemia-associated CNS diseases.
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Affiliation(s)
- He-Yan Tian
- School of Medical Technology and Nursing, Shenzhen Polytechnic University, Xili Lake, Nanshan District, Shenzhen 518000, China;
| | - Bo-Yang Huang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Hui-Fang Nie
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xiang-Yu Chen
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Yue Zhou
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Tong Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Shao-Wu Cheng
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Zhi-Gang Mei
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Jin-Wen Ge
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha 410208, China
- Hunan Academy of Traditional Chinese Medicine, Changsha 410208, China
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He Z, Ning N, Zhou Q, Khoshnam SE, Farzaneh M. Mitochondria as a therapeutic target for ischemic stroke. Free Radic Biol Med 2020; 146:45-58. [PMID: 31704373 DOI: 10.1016/j.freeradbiomed.2019.11.005] [Citation(s) in RCA: 140] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/07/2019] [Accepted: 11/03/2019] [Indexed: 12/24/2022]
Abstract
Stroke is the leading cause of death and physical disability worldwide. Mitochondrial dysfunction has been considered as one of the hallmarks of ischemic stroke and contributes to the pathology of ischemia and reperfusion. Mitochondria is essential in promoting neural survival and neurological improvement following ischemic stroke. Therefore, mitochondria represent an important drug target for stroke treatment. This review discusses the mitochondrial molecular mechanisms underlying cerebral ischemia and involved in reactive oxygen species generation, mitochondrial electron transport dysfunction, mitochondria-mediated regulation of inflammasome activation, mitochondrial dynamics and biogenesis, and apoptotic cell death. We highlight the potential of mitochondrial transfer by stem cells as a therapeutic target for stroke treatment and provide valuable insights for clinical strategies. A better understanding of the roles of mitochondria in ischemia-induced cell death and protection may provide a rationale design of novel therapeutic interventions in the ischemic stroke.
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Affiliation(s)
- Zhi He
- Department of Pharmacy, Luohe Medical College, Luohe, 462000, China
| | - Niya Ning
- Department of Obstetrics and Gynecology, Shaoling District People's Hospital of Luohe City, Luohe, 462300, China
| | - Qiongxiu Zhou
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences, Chengdu, 610052, China.
| | - Seyed Esmaeil Khoshnam
- Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Maryam Farzaneh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Modulation of Nitric Oxide Synthases by Oxidized LDLs: Role in Vascular Inflammation and Atherosclerosis Development. Int J Mol Sci 2019; 20:ijms20133294. [PMID: 31277498 PMCID: PMC6651385 DOI: 10.3390/ijms20133294] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 12/12/2022] Open
Abstract
The maintenance of physiological levels of nitric oxide (NO) produced by eNOS represents a key element for vascular endothelial homeostasis. On the other hand, NO overproduction, due to the activation of iNOS under different stress conditions, leads to endothelial dysfunction and, in the late stages, to the development of atherosclerosis. Oxidized LDLs (oxLDLs) represent the major candidates to trigger biomolecular processes accompanying endothelial dysfunction and vascular inflammation leading to atherosclerosis, though the pathophysiological mechanism still remains to be elucidated. Here, we summarize recent evidence suggesting that oxLDLs produce significant impairment in the modulation of the eNOS/iNOS machinery, downregulating eNOS via the HMGB1-TLR4-Caveolin-1 pathway. On the other hand, increased oxLDLs lead to sustained activation of the scavenger receptor LOX-1 and, subsequently, to NFkB activation, which, in turn, increases iNOS, leading to EC oxidative stress. Finally, these events are associated with reduced protective autophagic response and accelerated apoptotic EC death, which activates atherosclerotic development. Taken together, this information sheds new light on the pathophysiological mechanisms of oxLDL-related impairment of EC functionality and opens new perspectives in atherothrombosis prevention.
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Yang MY, Yu QL, Huang YS, Yang G. Neuroprotective effects of andrographolide derivative CX-10 in transient focal ischemia in rat: Involvement of Nrf2/AE and TLR/NF-κB signaling. Pharmacol Res 2019; 144:227-234. [PMID: 31028905 DOI: 10.1016/j.phrs.2019.04.023] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 04/16/2019] [Accepted: 04/19/2019] [Indexed: 12/16/2022]
Abstract
Ischemic stroke is a major cause of mortality and disability worldwide. To date there is no ideal effective treatment. 3, 14, 19-triacetyl andrographolide (CX-10) is a new molecule entity derived from andrographolide. The aim of the present study was to evaluate the neuroprotection of CX-10 against experimental cerebral ischemia. The anti-inflammation of CX-10 was screened using LPS-induced inflammation in vitro and in vivo. Rats were subjected to 1.5 h of middle cerebral occlusion (MCAO) and then reperfusion for 72 h. The infarct size was evaluated by TTC staining, and the behavioral disturbance was evaluated, and inflammatory cytokines and anti-oxidant enzymes in brain tissues were examined. Western blot was used to analyze the expression of proteins. The results showed that CX-10 exerted potent anti-inflammatory and anti-oxidation activities, which significantly inhibited LPS-induced TNF-α and NO release, lowered TNF-α and IL-1β levels in the brain, meanwhile increased activities of SOD, CAT and GSH-P × . The effect of CX-10 was equivalent to that of dexamethasone, and was obviously superior to that of andrographolide. CX-10 exhibited a neuroprotective effects, manifested as reducing infarct size, improving neurological function and reducing motor impairments. Furthermore, western blot analysis revealed that treatment with CX-10 down-regulated the expression of TLR4, NF-κB, TNF-α and iNOS, induced Nrf2 and HO-1 expression. Overall, CX-10 has a favorable neuroprotection in ischemic brain injury. The mechanism may involve inhibition of TLR4/NF-κB signaling pathway and upregulation of Nrf2/ARE signaling pathway. All these indicated that CX-10 is likely to be a promising agent for ischemic stroke.
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Affiliation(s)
- Ming-Yan Yang
- Shandong Target Drug Research Co. Ltd., Yantai 264005, Shandong Province, China.
| | - Qing-Long Yu
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Shandong, 264000, China
| | - Yao-Shi Huang
- Shandong Target Drug Research Co. Ltd., Yantai 264005, Shandong Province, China
| | - Guo Yang
- Shandong Target Drug Research Co. Ltd., Yantai 264005, Shandong Province, China
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Liu F, Lu J, Manaenko A, Tang J, Hu Q. Mitochondria in Ischemic Stroke: New Insight and Implications. Aging Dis 2018; 9:924-937. [PMID: 30271667 PMCID: PMC6147588 DOI: 10.14336/ad.2017.1126] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 11/26/2017] [Indexed: 12/21/2022] Open
Abstract
Stroke is the leading cause of death and adult disability worldwide. Mitochondrial dysfunction has been regarded as one of the hallmarks of ischemia/reperfusion (I/R) induced neuronal death. Maintaining the function of mitochondria is crucial in promoting neuron survival and neurological improvement. In this article, we review current progress regarding the roles of mitochondria in the pathological process of cerebral I/R injury. In particular, we emphasize on the most critical mechanisms responsible for mitochondrial quality control, as well as the recent findings on mitochondrial transfer in acute stroke. We highlight the potential of mitochondria as therapeutic targets for stroke treatment and provide valuable insights for clinical strategies.
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Affiliation(s)
- Fan Liu
- 1Discipline of Neuroscience, Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianfei Lu
- 1Discipline of Neuroscience, Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Anatol Manaenko
- 2Departments of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Junjia Tang
- 3Department of neurosurgery, Shanghai General Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Qin Hu
- 1Discipline of Neuroscience, Department of Anatomy and Physiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Liu D, Chu X, Wang H, Dong J, Ge SQ, Zhao ZY, Peng HL, Sun M, Wu LJ, Song MS, Guo XH, Meng Q, Wang YX, Lauc G, Wang W. The changes of immunoglobulin G N-glycosylation in blood lipids and dyslipidaemia. J Transl Med 2018; 16:235. [PMID: 30157878 PMCID: PMC6114873 DOI: 10.1186/s12967-018-1616-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 08/23/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Alternative N-glycosylation has significant structural and functional consequences on immunoglobulin G (IgG) and can affect immune responses, acting as a switch between pro- and anti-inflammatory IgG functionality. Studies have demonstrated that IgG N-glycosylation is associated with ageing, body mass index, type 2 diabetes and hypertension. METHODS Herein, we have demonstrated patterns of IgG glycosylation that are associated with blood lipids in a cross-sectional study including 598 Han Chinese aged 20-68 years. The IgG glycome composition was analysed by ultra-performance liquid chromatography. RESULTS Blood lipids were positively correlated with glycan peak GP6, whereas they were negatively correlated with GP18 (P < 0.05/57). The canonical correlation analysis indicated that initial N-glycan structures, including GP4, GP6, GP9-12, GP14, GP17, GP18 and GP23, were significantly correlated with blood lipids, including total cholesterol, total triglycerides (TG) and low-density lipoprotein (r = 0.390, P < 0.001). IgG glycans patterns were able to distinguish patients with dyslipidaemia from the controls, with an area under the curve of 0.692 (95% confidence interval 0.644-0.740). CONCLUSIONS Our findings indicated that a possible association between blood lipids and the observed loss of galactose and sialic acid, as well as the addition of bisecting GlcNAcs, which might be related to the chronic inflammation accompanying with the development and procession of dyslipidaemia.
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Affiliation(s)
- Di Liu
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Xi Chu
- Center for Physical Examination, Xuanwu Hospital, Capital Medical University, Beijing, 100050 China
| | - Hao Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
- School of Medical Sciences, Edith Cowan University, Perth, WA 6027 Australia
| | - Jing Dong
- Center for Physical Examination, Xuanwu Hospital, Capital Medical University, Beijing, 100050 China
| | - Si-Qi Ge
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
- School of Medical Sciences, Edith Cowan University, Perth, WA 6027 Australia
| | - Zhong-Yao Zhao
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Hong-Li Peng
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Ming Sun
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Li-Juan Wu
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Man-Shu Song
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Xiu-Hua Guo
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - Qun Meng
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
| | - You-Xin Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
- School of Medical Sciences, Edith Cowan University, Perth, WA 6027 Australia
| | - Gordan Lauc
- Genos Glycobiology Research Laboratory, 10000 Zagreb, Croatia
- Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Wei Wang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, 10 Youanmen Xitoutiao, Beijing, 100069 China
- School of Medical Sciences, Edith Cowan University, Perth, WA 6027 Australia
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