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Zhang W, Guo C, Li Y, Wang H, Wang H, Wang Y, Wu T, Wang H, Cheng G, Man J, Chen S, Fu S, Yang L. Mitophagy mediated by HIF-1α/FUNDC1 signaling in tubular cells protects against renal ischemia/reperfusion injury. Ren Fail 2024; 46:2332492. [PMID: 38584135 PMCID: PMC11000611 DOI: 10.1080/0886022x.2024.2332492] [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: 10/12/2023] [Accepted: 03/14/2024] [Indexed: 04/09/2024] Open
Abstract
Acute kidney injury (AKI) is associated with a high mortality rate. Pathologically, renal ischemia/reperfusion injury (RIRI) is one of the primary causes of AKI, and hypoxia-inducible factor (HIF)-1α may play a defensive role in RIRI. This study assessed the role of hypoxia-inducible factor 1α (HIF-1α)-mediated mitophagy in protection against RIRI in vitro and in vivo. The human tubular cell line HK-2 was used to assess hypoxia/reoxygenation (H/R)-induced mitophagy through different in vitro assays, including western blotting, immunofluorescence staining, terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL), and reactive oxygen species (ROS) measurement. Additionally, a rat RIRI model was established for evaluation by renal histopathology, renal Doppler ultrasound, and transmission electron microscopy to confirm the in vitro data. The selective HIF-1α inhibitor LW6 reduced H/R-induced mitophagy but increased H/R-induced apoptosis and ROS production. Moreover, H/R treatment enhanced expression of the FUN14 domain-containing 1 (FUNDC1) protein. Additionally, FUNDC1 overexpression reversed the effects of LW6 on the altered expression of light chain 3 (LC3) BII and voltage-dependent anion channels as well as blocked the effects of HIF-1α inhibition in cells. Pretreatment of the rat RIRI model with roxadustat, a novel oral HIF-1α inhibitor, led to decreased renal injury and apoptosis in vivo. In conclusion, the HIF-1α/FUNDC1 signaling pathway mediates H/R-promoted renal tubular cell mitophagy, whereas inhibition of this signaling pathway protects cells from mitophagy, thus aggravating apoptosis, and ROS production. Accordingly, roxadustat may protect against RIRI-related AKI.
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Affiliation(s)
- Wenjun Zhang
- Department of Nephrology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
- Gansu Provicne Clinical Research Center for Kidney Diseases, Lanzhou, China
| | - Chao Guo
- Scientific Research and Experimental Center, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yi Li
- Department of Anesthesiology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Hao Wang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Huabing Wang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Yingying Wang
- Department of Nephrology, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Tingting Wu
- Department of Functional Examination in Children, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Huinan Wang
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Gang Cheng
- The Second Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Jiangwei Man
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Siyu Chen
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Shengjun Fu
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
| | - Li Yang
- Department of Urology Surgery, Lanzhou University Affiliated Second Hospital, Lanzhou, China
- Gansu Provicne Clinical Research Center for Urology, Lanzhou, China
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Sun R, Li H, Chen Y, Hu M, Wang J. Tubuloside A alleviates postmyocardial infarction cardiac fibrosis by inhibiting TGM2: Involvement of inflammation and mitochondrial pathway apoptosis. Int Immunopharmacol 2024; 143:113324. [PMID: 39393274 DOI: 10.1016/j.intimp.2024.113324] [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: 07/12/2024] [Revised: 10/01/2024] [Accepted: 10/02/2024] [Indexed: 10/13/2024]
Abstract
Cardiac fibrosis is associated with myocardial remodeling following myocardial infarction (MI), which can lead to heart failure, arrhythmias, and even death. This study aimed to determine the effects of tubuloside A (TA) on cardiac fibrosis after MI and elucidate their underlying molecular mechanisms. Rats were divided into the following groups: sham (fake surgery), MI, MI + 1 mg/kg TA, and MI + 3 mg/kg TA. Compared with MI, the addition of TA significantly reduced mortality, improved cardiac function, decreased infarct size, and inhibited myocardial injury and fibrosis. To verify the direct targets of TA, we used cellular thermal shift assay and drug affinity responsive target stability to analyze drug-protein interactions and discovered that TA can bind directly to TGM2 and inhibit its enzymatic activity. Furthermore, to investigate whether TA can inhibit the TGF-β1-mediated activation of cardiac fibroblasts (CFs) through TGM2, we overexpressed TGM2 in CF cells and treated them with TA. We found that TA inhibited the activity of TGM2 in CF cells and reduced α-SMA, collagen-I, and collagen-III levels, thereby inhibiting the progression of fibrosis. Similarly, we found that TA could exert anti-inflammatory and antiapoptotic effects by inhibiting TGM2. Overall, we demonstrated that TA is a potential candidate drug for inhibiting the impacts of myocardial infarction and cardiac fibrosis, reducing postinfarction fibrosis by inhibiting the NF-κB signaling pathway and suppressing mitochondrial pathway-mediated apoptosis. Therefore, focusing on drug discovery strategies for TA may provide a promising therapeutic approach for MI.
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Affiliation(s)
- Runfeng Sun
- Department of Cardiology, Donghai People's Hospital Affiliated to Kangda College of Nanjing Medical University, Donghai People's Hospital, Lianyungang 222300, China
| | - Hua Li
- Department of Cardiology, Donghai People's Hospital Affiliated to Kangda College of Nanjing Medical University, Donghai People's Hospital, Lianyungang 222300, China
| | - Yun Chen
- Department of Cardiology, Donghai People's Hospital Affiliated to Kangda College of Nanjing Medical University, Donghai People's Hospital, Lianyungang 222300, China
| | - Ming Hu
- Department of Cardiology, Donghai People's Hospital Affiliated to Kangda College of Nanjing Medical University, Donghai People's Hospital, Lianyungang 222300, China
| | - Jiaping Wang
- Department of Cardiology, Donghai People's Hospital Affiliated to Kangda College of Nanjing Medical University, Donghai People's Hospital, Lianyungang 222300, China.
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Rahmani S, Roohbakhsh A, Pourbarkhordar V, Hayes AW, Karimi G. Melatonin regulates mitochondrial dynamics and mitophagy: Cardiovascular protection. J Cell Mol Med 2024; 28:e70074. [PMID: 39333694 PMCID: PMC11436317 DOI: 10.1111/jcmm.70074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 07/27/2024] [Accepted: 08/28/2024] [Indexed: 09/29/2024] Open
Abstract
Despite extensive progress in the knowledge and understanding of cardiovascular diseases and significant advances in pharmacological treatments and procedural interventions, cardiovascular diseases (CVD) remain the leading cause of death globally. Mitochondrial dynamics refers to the repetitive cycle of fission and fusion of the mitochondrial network. Fission and fusion balance regulate mitochondrial shape and influence physiology, quality and homeostasis. Mitophagy is a process that eliminates aberrant mitochondria. Melatonin (Mel) is a pineal-synthesized hormone with a range of pharmacological properties. Numerous nonclinical trials have demonstrated that Mel provides cardioprotection against ischemia/reperfusion, cardiomyopathies, atherosclerosis and cardiotoxicity. Recently, interest has grown in how mitochondrial dynamics contribute to melatonin cardioprotective effects. This review assesses the literature on the protective effects of Mel against CVD via the regulation of mitochondrial dynamics and mitophagy in both in-vivo and in-vitro studies. The signalling pathways underlying its cardioprotective effects were reviewed. Mel modulated mitochondrial dynamics and mitophagy proteins by upregulation of mitofusin, inhibition of DRP1 and regulation of mitophagy-related proteins. The evidence supports a significant role of Mel in mitochondrial dynamics and mitophagy quality control in CVD.
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Affiliation(s)
- Sohrab Rahmani
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Roohbakhsh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Pourbarkhordar
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, Florida, USA
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Institute of Pharmaceutical Technology, Mashhad University of Medical Sciences, Mashhad, Iran
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Li Y, Wei X, Xiao R, Chen Y, Xiong T, Fang ZM, Huo B, Guo X, Luo H, Wu X, Liu L, Zhu XH, Hu Q, Jiang DS, Yi X. SMYD2-Methylated PPARγ Facilitates Hypoxia-Induced Pulmonary Hypertension by Activating Mitophagy. Circ Res 2024; 135:93-109. [PMID: 38770649 DOI: 10.1161/circresaha.124.323698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024]
Abstract
BACKGROUND Hyperproliferation of pulmonary arterial smooth muscle cells (PASMCs) and consequent pulmonary vascular remodeling are the crucial pathological features of pulmonary hypertension (PH). Protein methylation has been shown to be critically involved in PASMC proliferation and PH, but the underlying mechanism remains largely unknown. METHODS PH animal models were generated by treating mice/rats with chronic hypoxia for 4 weeks. SMYD2-vTg mice (vascular smooth muscle cell-specific suppressor of variegation, enhancer of zeste, trithorax and myeloid Nervy DEAF-1 (deformed epidural auto-regulatory factor-1) domain-containing protein 2 transgenic) or wild-type rats and mice treated with LLY-507 (3-cyano-5-{2-[4-[2-(3-methylindol-1-yl)ethyl]piperazin-1-yl]-phenyl}-N-[(3-pyrrolidin-1-yl)propyl]benzamide) were used to investigate the function of SMYD2 (suppressor of variegation, enhancer of zeste, trithorax and myeloid Nervy DEAF-1 domain-containing protein 2) on PH development in vivo. Primary cultured rat PASMCs with SMYD2 knockdown or overexpression were used to explore the effects of SMYD2 on proliferation and to decipher the underlying mechanism. RESULTS We demonstrated that the expression of the lysine methyltransferase SMYD2 was upregulated in the smooth muscle cells of pulmonary arteries from patients with PH and hypoxia-exposed rats/mice and in the cytoplasm of hypoxia-induced rat PASMCs. More importantly, targeted inhibition of SMYD2 by LLY-507 significantly attenuated hypoxia-induced pulmonary vascular remodeling and PH development in both male and female rats in vivo and reduced rat PASMC hyperproliferation in vitro. In contrast, SMYD2-vTg mice exhibited more severe PH phenotypes and related pathological changes than nontransgenic mice after 4 weeks of chronic hypoxia treatment. Furthermore, SMYD2 overexpression promoted, while SMYD2 knockdown suppressed, the proliferation of rat PASMCs by affecting the cell cycle checkpoint between S and G2 phases. Mechanistically, we revealed that SMYD2 directly interacted with and monomethylated PPARγ (peroxisome proliferator-activated receptor gamma) to inhibit the nuclear translocation and transcriptional activity of PPARγ, which further promoted mitophagy to facilitate PASMC proliferation and PH development. Furthermore, rosiglitazone, a PPARγ agonist, largely abolished the detrimental effects of SMYD2 overexpression on PASMC proliferation and PH. CONCLUSIONS Our results demonstrated that SMYD2 monomethylates nonhistone PPARγ and inhibits its nuclear translocation and activation to accelerate PASMC proliferation and PH by triggering mitophagy, indicating that targeting SMYD2 or activating PPARγ are potential strategies for the prevention of PH.
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MESH Headings
- Animals
- Humans
- Male
- Mice
- Rats
- Cell Proliferation
- Cells, Cultured
- Histone-Lysine N-Methyltransferase/metabolism
- Histone-Lysine N-Methyltransferase/genetics
- Hypertension, Pulmonary/metabolism
- Hypertension, Pulmonary/etiology
- Hypertension, Pulmonary/pathology
- Hypertension, Pulmonary/genetics
- Hypoxia/complications
- Hypoxia/metabolism
- Methylation
- Mice, Inbred C57BL
- Mice, Transgenic
- Mitophagy
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- PPAR gamma/metabolism
- Pulmonary Artery/pathology
- Pulmonary Artery/metabolism
- Rats, Sprague-Dawley
- Vascular Remodeling
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Affiliation(s)
- Yi Li
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Xiang Wei
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
- Key Laboratory of Organ Transplantation, Ministry of Education (X. Wei, D.-S.J.), Chinese Academy of Medical Sciences, Wuhan, China
- NHC Key Laboratory of Organ Transplantation (X. Wei, D.-S.J.), Chinese Academy of Medical Sciences, Wuhan, China
- Key Laboratory of Organ Transplantation (X. Wei, D.-S.J.), Chinese Academy of Medical Sciences, Wuhan, China
| | - Rui Xiao
- Key Laboratory of Pulmonary Diseases of Ministry of Health of China, Wuhan (R.X., Q.H.)
- Department of Pathophysiology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, China (R.X., Q.H.)
| | - Yongjie Chen
- Department of Cardiovascular Surgery, Union Hospital, Fujian Medical University, Fuzhou, China (Y.C.)
| | - Tianxin Xiong
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Ze-Min Fang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Bo Huo
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Xian Guo
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Hanshen Luo
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Xingliang Wu
- Department of Cardiology, Renmin Hospital of Wuhan University, China (X. Wu, L.L., X.Y.)
| | - Liyuan Liu
- Department of Cardiology, Renmin Hospital of Wuhan University, China (X. Wu, L.L., X.Y.)
| | - Xue-Hai Zhu
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
| | - Qinghua Hu
- Key Laboratory of Pulmonary Diseases of Ministry of Health of China, Wuhan (R.X., Q.H.)
- Department of Pathophysiology, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, China (R.X., Q.H.)
| | - Ding-Sheng Jiang
- Division of Cardiovascular Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China (Y.L., X. Wei, T.X., Z.-M.F., B.H., X.G., H.L., X.-H.Z., D.-S.J.)
- Key Laboratory of Organ Transplantation, Ministry of Education (X. Wei, D.-S.J.), Chinese Academy of Medical Sciences, Wuhan, China
- NHC Key Laboratory of Organ Transplantation (X. Wei, D.-S.J.), Chinese Academy of Medical Sciences, Wuhan, China
- Key Laboratory of Organ Transplantation (X. Wei, D.-S.J.), Chinese Academy of Medical Sciences, Wuhan, China
| | - Xin Yi
- Department of Cardiology, Renmin Hospital of Wuhan University, China (X. Wu, L.L., X.Y.)
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5
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Mendes L, Queiroz M, Sena CM. Melatonin and Vascular Function. Antioxidants (Basel) 2024; 13:747. [PMID: 38929187 PMCID: PMC11200504 DOI: 10.3390/antiox13060747] [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: 05/20/2024] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
The indolamine hormone melatonin, also known as N-acetyl-5-methoxytrypamine, is frequently associated with circadian rhythm regulation. Light can suppress melatonin secretion, and photoperiod regulates melatonin levels by promoting its production and secretion at night in response to darkness. This hormone is becoming more and more understood for its functions as an immune-modulatory, anti-inflammatory, and antioxidant hormone. Melatonin may have a major effect on several diabetes-related disturbances, such as hormonal imbalances, oxidative stress, sleep disturbances, and mood disorders, according to recent research. This has raised interest in investigating the possible therapeutic advantages of melatonin in the treatment of diabetic complications. In addition, several studies have described that melatonin has been linked to the development of diabetes, cancer, Alzheimer's disease, immune system disorders, and heart diseases. In this review, we will highlight some of the functions of melatonin regarding vascular biology.
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Affiliation(s)
| | | | - Cristina M. Sena
- Institute of Physiology, iCBR, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
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6
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Lv Y, Yu Z, Zhang P, Zhang X, Li H, Liang T, Guo Y, Cheng L, Peng F. The structure and function of FUN14 domain-containing protein 1 and its contribution to cardioprotection by mediating mitophagy. Front Pharmacol 2024; 15:1389953. [PMID: 38828457 PMCID: PMC11140143 DOI: 10.3389/fphar.2024.1389953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/29/2024] [Indexed: 06/05/2024] Open
Abstract
Cardiovascular disease (CVD) is a serious public health risk, and prevention and treatment efforts are urgently needed. Effective preventive and therapeutic programs for cardiovascular disease are still lacking, as the causes of CVD are varied and may be the result of a multifactorial combination. Mitophagy is a form of cell-selective autophagy, and there is increasing evidence that mitophagy is involved in cardioprotective processes. Recently, many studies have shown that FUN14 domain-containing protein 1 (FUNDC1) levels and phosphorylation status are highly associated with many diseases, including heart disease. Here, we review the structure and functions of FUNDC1 and the path-ways of its mediated mitophagy, and show that mitophagy can be effectively activated by dephosphorylation of Ser13 and Tyr18 sites, phosphorylation of Ser17 site and ubiquitination of Lys119 site in FUNDC1. By effectively activating or inhibiting excessive mitophagy, the quality of mitochondria can be effectively controlled. The main reason is that, on the one hand, improper clearance of mitochondria and accumulation of damaged mitochondria are avoided, and on the other hand, excessive mitophagy causing apoptosis is avoided, both serving to protect the heart. In addition, we explore the possible mechanisms by which FUNDC1-mediated mitophagy is involved in exercise preconditioning (EP) for cardioprotection. Finally, we also point out unresolved issues in FUNDC1 and its mediated mitophagy and give directions where further research may be needed.
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Affiliation(s)
- Yuhu Lv
- College of Physical Education, Guangdong University of Education, Guangzhou, China
- Research Center for Adolescent Sports and Health Promotion of Guangdong Province, Guangzhou, China
| | - Zhengze Yu
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Peiwen Zhang
- College of Nursing and Rehabilitation, Xi an FanYi University, Xi’an, China
| | - Xiqian Zhang
- College of Physical Education, Guangdong University of Education, Guangzhou, China
- Research Center for Adolescent Sports and Health Promotion of Guangdong Province, Guangzhou, China
| | - Huarui Li
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Ting Liang
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Yanju Guo
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Lin Cheng
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Fenglin Peng
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
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7
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Ma L, Sun W, Li J, Wang H, Ding Z, He Q, Kang Y, Dong S, Chu Y. Regulation of platelet activation and thrombus formation in acute non-ST segment elevation myocardial infarction: Role of Beclin1. Clin Transl Sci 2024; 17:e13823. [PMID: 38771157 PMCID: PMC11107531 DOI: 10.1111/cts.13823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/04/2024] [Accepted: 04/29/2024] [Indexed: 05/22/2024] Open
Abstract
This study aims to investigate the mechanism of platelet activation-induced thrombosis in patients with acute non-ST segment elevation myocardial infarction (NSTEMI) by detecting the expression of autophagy-associated proteins in platelets of patients with NSTEMI. A prospective study was conducted on 121 patients with NSTEMI who underwent emergency coronary angiography and optical coherence tomography. The participants were divided into two groups: the ST segment un-offset group (n = 64) and the ST segment depression group (n = 57). We selected a control group of 60 patients without AMI during the same period. The levels of autophagy-associated proteins and the expression of autophagy-associated proteins in platelets were measured using immunofluorescence staining and Western blot. In NSTEMI, the prevalence of red thrombus was higher in the ST segment un-offset myocardial infarction (STUMI) group, whereas white thrombus was more common in the ST segment depression myocardial infarction (STDMI) group. Furthermore, the platelet aggregation rate was significantly higher in the white thrombus group compared with the red thrombus group. Compared with the control group, the autophagy-related protein expression decreased, and the expression of αIIbβ3 increased in NSTEMI. The overexpression of Beclin1 could activate platelet autophagy and inhibit the expression of αIIbβ3. The results suggested that the increase in platelet aggregation rate in patients with NSTEMI may be potentially related to the change in autophagy. And the overexpression of Beclin1 could reduce the platelet aggregation rate by activating platelet autophagy. Our findings demonstrated that Beclin1 could be a potential therapeutic target for inhibiting platelet aggregation in NSTEMI.
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Affiliation(s)
- Lingkun Ma
- Department of CardiologyZhengzhou University People's HospitalZhengzhouChina
| | - Wenjing Sun
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
| | - Jingchao Li
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
| | - Hailan Wang
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
| | - Zihan Ding
- Department of CardiologyZhengzhou University People's HospitalZhengzhouChina
| | - Qing He
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
| | - Yue Kang
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
| | - Shujuan Dong
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
| | - Yingjie Chu
- Department of CardiologyHenan Provincial People's HospitalZhengzhouChina
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8
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Zhou QY, Ren C, Li JY, Wang L, Duan Y, Yao RQ, Tian YP, Yao YM. The crosstalk between mitochondrial quality control and metal-dependent cell death. Cell Death Dis 2024; 15:299. [PMID: 38678018 PMCID: PMC11055915 DOI: 10.1038/s41419-024-06691-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 04/29/2024]
Abstract
Mitochondria are the centers of energy and material metabolism, and they also serve as the storage and dispatch hubs of metal ions. Damage to mitochondrial structure and function can cause abnormal levels and distribution of metal ions, leading to cell dysfunction and even death. For a long time, mitochondrial quality control pathways such as mitochondrial dynamics and mitophagy have been considered to inhibit metal-induced cell death. However, with the discovery of new metal-dependent cell death including ferroptosis and cuproptosis, increasing evidence shows that there is a complex relationship between mitochondrial quality control and metal-dependent cell death. This article reviews the latest research results and mechanisms of crosstalk between mitochondrial quality control and metal-dependent cell death in recent years, as well as their involvement in neurodegenerative diseases, tumors and other diseases, in order to provide new ideas for the research and treatment of related diseases.
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Affiliation(s)
- Qi-Yuan Zhou
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Chao Ren
- Department of Pulmonary and Critical Care Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, China
| | - Jing-Yan Li
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China
| | - Lu Wang
- Department of Critical Care Medicine, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China
| | - Yu Duan
- Department of Critical Care Medicine, Affiliated Chenzhou Hospital (the First People's Hospital of Chenzhou), Southern Medical University, Chenzhou, 423000, China
| | - Ren-Qi Yao
- Department of General Surgery, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
- Medical Innovation Research Division, Translational Medicine Research Center and the Fourth Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
| | - Ying-Ping Tian
- Department of Emergency, the Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China.
| | - Yong-Ming Yao
- Medical Innovation Research Division, Translational Medicine Research Center and the Fourth Medical Center of Chinese PLA General Hospital, Beijing, 100853, China.
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9
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Deng J, Liu Q, Ye L, Wang S, Song Z, Zhu M, Qiang F, Zhou Y, Guo Z, Zhang W, Chen T. The Janus face of mitophagy in myocardial ischemia/reperfusion injury and recovery. Biomed Pharmacother 2024; 173:116337. [PMID: 38422659 DOI: 10.1016/j.biopha.2024.116337] [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: 01/04/2024] [Revised: 02/20/2024] [Accepted: 02/23/2024] [Indexed: 03/02/2024] Open
Abstract
In myocardial ischemia/reperfusion injury (MIRI), moderate mitophagy is a protective or adaptive mechanism because of clearing defective mitochondria accumulates during MIRI. However, excessive mitophagy lead to an increase in defective mitochondria and ultimately exacerbate MIRI by causing overproduction or uncontrolled production of mitochondria. Phosphatase and tensin homolog (PTEN)-induced kinase 1 (Pink1), Parkin, FUN14 domain containing 1 (FUNDC1) and B-cell leukemia/lymphoma 2 (BCL-2)/adenovirus E1B19KD interaction protein 3 (BNIP3) are the main mechanistic regulators of mitophagy in MIRI. Pink1 and Parkin are mitochondrial surface proteins involved in the ubiquitin-dependent pathway, while BNIP3 and FUNDC1 are mitochondrial receptor proteins involved in the non-ubiquitin-dependent pathway, which play a crucial role in maintaining mitochondrial homeostasis and mitochondrial quality. These proteins can induce moderate mitophagy or inhibit excessive mitophagy to protect against MIRI but may also trigger excessive mitophagy or insufficient mitophagy, thereby worsening the condition. Understanding the actions of these mitophagy mechanistic proteins may provide valuable insights into the pathological mechanisms underlying MIRI development. Based on the above background, this article reviews the mechanism of mitophagy involved in MIRI through Pink1/Parkin pathway and the receptor mediated pathway led by FUNDC1 and BNIP3, as well as the related drug treatment, aim to provide effective strategies for the prevention and treatment of MIRI.
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Affiliation(s)
- Jiaxin Deng
- 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
| | - Qian Liu
- 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
| | - Linxi Ye
- 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
| | - Shuo Wang
- State Key Laboratory of Modern Chinese Medicine, Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae for the Ministry of Education, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Zhenyan Song
- 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
| | - Mingyan Zhu
- 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
| | - Fangfang Qiang
- 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
| | - Yulin 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
| | - Zhen Guo
- Hunan Provincial Key Laboratory of the Fundamental and Clinical Research on Functional Nucleic Acid, Changsha Medical University, Changsha 410219, China; Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Changsha 410219, China; Hunan Provincial Key Laboratory of the TCM Agricultural Biogenomics, Changsha Medical University, Changsha 410219, China.
| | - Wei Zhang
- 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.
| | - Ting 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; National Key Laboratory Cultivation Base of Chinese Medicinal Powder & Innovative Medicinal Jointly Established by Province and Ministry, Changsha 410208, China.
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Xue J, Zhang L, Tao J, Xie X, Wang X, Wu L, Du S, Tan N, Jin Y, Ju J, Fan J, Wang J, Huan F, Gao R. A novel bellidifolin intervention mitigates nonalcoholic fatty liver disease-like changes induced by bisphenol F. J Biomed Res 2024; 38:1-14. [PMID: 38808572 PMCID: PMC11461535 DOI: 10.7555/jbr.37.20230169] [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: 08/17/2023] [Revised: 01/07/2024] [Accepted: 02/13/2024] [Indexed: 05/30/2024] Open
Abstract
As a potential endocrine-disrupting chemical, bisphenol F (BPF) may cause nonalcoholic fatty liver disease (NAFLD)-like changes, but the mechanisms underpinning its pathogenesis as well as the intervention strategies remain poorly understood. Using the electron microscopy technology, along with LipidTOX Deep Red neutral and Bodipy 493/503 staining assays, we observed that BPF treatment elicited a striking accumulation of lipid droplets in HepG2 cells, accompanied by an increased total level of triglycerides. At the molecular level, the lipogenesis-associated mRNAs and proteins, including acetyl-CoA carboxylase, fatty acid synthase, stearoyl-CoA desaturase-1, peroxisome proliferator-activated receptor gamma, and CCAAT-enhancer-binding proteins, increased significantly via the AMP-activated protein kinase (AMPK)-mammalian target of rapamycin (mTOR) signaling regulation in both in vitro and in vivo studies. Furthermore, the immunofluorescence results also showed the robust lipogenesis induced by BPF, evident in its ability to promote the translocation of sterol regulatory element-binding protein-1c from the cytoplasm to the nuclei. To investigate the intervention strategies for BPF-induced NAFLD-like changes, we demonstrated that bellidifolin, isolated and purified from Swertia chirayita, significantly attenuated BPF-induced lipid droplet deposition in HepG2 cell and NAFLD-like changes in mice by blocking the expression of lipogenesis-associated proteins. Therefore, the present study elucidates the mechanisms underlying BPF-induced lipid accumulation in HepG2 cells, while also highlighting the potential of bellidifolin to mitigate BPF-induced NAFLD-like changes.
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Affiliation(s)
- Jing Xue
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
- Taizhou Center for Disease Control and Prevention, Taizhou, Jiangsu 225300, China
| | - Linwei Zhang
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Jingxian Tao
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Xuexue Xie
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Xi Wang
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Linlin Wu
- Wuxi Center for Disease Control and Prevention, Wuxi, Jiangsu 214023, China
| | - Shuhu Du
- School of Pharmacy, Jiangsu Province Engineering Research Center of Antibody Drug, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Ninghua Tan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
| | - Yang Jin
- Department of Pharmaceutical Analysis, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Jianming Ju
- Laboratory of Quality and Metabolomics of Traditional Chinese Medicine, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210028, China
| | - Junting Fan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, China
- Department of Pharmaceutical Analysis, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Jun Wang
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Fei Huan
- Key Laboratory of Modern Toxicology, Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Rong Gao
- Department of Hygienic Analysis and Detection, Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
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11
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Jiang Y, Tong W, Li Y, Ma Q, Chen Y. Melatonin inhibits the formation of intraplaque neovessels in ApoE-/- mice via PPARγ- RhoA-ROCK pathway. Biochem Biophys Res Commun 2024; 696:149391. [PMID: 38184922 DOI: 10.1016/j.bbrc.2023.149391] [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: 09/28/2023] [Revised: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND According to former research, the atherosclerotic plaque is thought to be aggravated by intraplaque neovessels (IPN) and intraplaque hemorrhage (IPH). Intriguingly, a lower incidence of IPH was found in plaque treated with melatonin. In this study, we attempted to investigate the impact and underlying mechanism regarding the influences of melatonin upon IPN. METHODS A mouse model was established by subjecting the high fat diet (HFD)-fed ApoE-/- mice to tandem stenosis (TS) surgery with melatonin and GW9662, a PPARγ antagonist, being given by gavage. In vitro experiment was conducted with HUVECs exposing to according treatments of VEGF, melatonin, GW9662, or Y27632. RESULTS Plaque and IPN were attenuated by treatment with melatonin, which was then reversed by blocking PPARγ. Western blotting results showed that melatonin increased PPARγ and decreased RhoA/ROCK signaling in carotid artery. Elevated RhoA/ROCK signaling was observed in melatonin-treated mice when PPARγ was blocked. In accordance with it, experiments using protein and mRNA from HUVECs revealed that melatonin inhibited the RhoA/ROCK signaling by enhancing PPARγ. According to in vitro study, melatonin was able to inhibit cell migration and angiogenesis, which was aborted by GW9662. Blockage of ROCK using Y27632 was able to cease the effect of GW9662 and restored the suppression on cell migration and angiogenesis by melatonin. CONCLUSIONS Our study demonstrates that melatonin is able to curb development of plaque and IPN formation by inhibiting the migration of endothelial cells via PPARγ- RhoA-ROCK pathway. That provides a therapeutic potential for both melatonin and PPARγ agonist targeting IPN, IPH, and atherosclerotic plaque.
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Affiliation(s)
- YuFan Jiang
- School of Medicine, Nankai University, Tianjin, China; Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Wei Tong
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yueyang Li
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, 100853, China
| | - Qiang Ma
- Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
| | - YunDai Chen
- School of Medicine, Nankai University, Tianjin, China; Department of Cardiology, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
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12
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Wu J, Cai H, Hu X, Wu W. Transcriptomic analysis reveals the lipid metabolism-related gene regulatory characteristics and potential therapeutic agents for myocardial ischemia-reperfusion injury. Front Cardiovasc Med 2024; 11:1281429. [PMID: 38347951 PMCID: PMC10859419 DOI: 10.3389/fcvm.2024.1281429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/18/2024] [Indexed: 02/15/2024] Open
Abstract
Background Impaired energy balance caused by lipid metabolism dysregulation is an essential mechanism of myocardial ischemia-reperfusion injury (MI/RI). This study aims to explore the lipid metabolism-related gene (LMRG) expression patterns in MI/RI and to find potential therapeutic agents. Methods Differential expression analysis was performed to screen the differentially expressed genes (DEGs) and LMRGs in the MI/RI-related dataset GSE61592. Enrichment and protein-protein interaction (PPI) analyses were performed to identify the key signaling pathways and genes. The expression trends of key LMRGs were validated by external datasets GSE160516 and GSE4105. The corresponding online databases predicted miRNAs, transcription factors (TFs), and potential therapeutic agents targeting key LMRGs. Finally, the identified LMRGs were confirmed in the H9C2 cell hypoxia-reoxygenation (H/R) model and the mouse MI/RI model. Results Enrichment analysis suggested that the "lipid metabolic process" was one of the critical pathways in MI/RI. Further differential expression analysis and PPI analysis identified 120 differentially expressed LMRGs and 15 key LMRGs. 126 miRNAs, 55 TFs, and 51 therapeutic agents were identified targeting these key LMRGs. Lastly, the expression trends of Acadm, Acadvl, and Suclg1 were confirmed by the external datasets, the H/R model and the MI/RI model. Conclusion Acadm, Acadvl, and Suclg1 may be the key genes involved in the MI/RI-related lipid metabolism dysregulation; and acting upon these factors may serve as a potential therapeutic strategy.
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Affiliation(s)
- Jiahe Wu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Huanhuan Cai
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Xiaorong Hu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Wei Wu
- Department of Clinical Laboratory, Institute of Translational Medicine, Renmin Hospital of Wuhan University, Wuhan, China
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Wu Q, Yu S, Peng K. Silencing of FUN14 Domain Containing 1 Inhibits Platelet Activation in Diabetes Mellitus through Blocking Mitophagy. Crit Rev Immunol 2024; 44:25-33. [PMID: 38305334 DOI: 10.1615/critrevimmunol.2023050364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Platelet hyperactivity represents a deleterious physiological phenomenon in diabetes mellitus (DM). This study aimed to explore the role of FUN14 domain containing 1 (FUNDC1) in platelet activation within the context of DM and to uncover relevant mechanisms, with a focus on mitophagy. A mouse model of DM was established by high-fat feeding and streptozotocin injection. Platelets isolated from whole blood were exposed to carbonyl cyanide-4-(trifluo-romethoxy)phenylhydrazone (FCCP) to induce mitophagy. The relative mRNA expression of FUNDC1 was detected by quantitative real-time PCR (qRT-PCR). Western blotting was employed to measure the protein levels of FUNDC1, the ratio of LC3-II toLC3-I, and cleaved caspase-3. Immunofluorescence and flow cytometry were performed to assess LC3-positive mitochondria and platelet activation factor CD62P, respectively. Additionally, serum levels of β-thrombo-globulin (β-TG) and platelet factor 4 (PF4)were measured by enzyme-linked immunosorbent assay. FUNDC1 expression was elevated in DM mice, and its silencing decreased the body weight and fasting blood glucose. Inhibition of FUNDC1 also significantly attenuated FCCP-induced platelet mitophagy, as evidenced by the down-regulation of the LC3-II/LC3-I ratio, up-regulation of Tomm20, and diminished presence of LC3-positive mitochondria. Moreover, platelet activation was noted in DM mice; this activation was mitigated upon FUNDC1 silencing, which was confirmed by the down-regulation of cleaved caspase-3 and CD62P as well as reductions in β-TG and PF4 serum levels. Silencing of FUNDC1 inhibited platelet hyperactivity in DM by impeding mitophagy. As such, FUNDC1-midiated mitophagy may be a promising target for the treatment of DM and its associated cardiovascular complications related cardiovascular events.
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Affiliation(s)
- Qiang Wu
- Department of Clinical Laboratory Medicine, Shanghai Fifth People's Hospital, Fudan University, Shanghai 200240, China; Department of Clinical Laboratory Medicine, Sijing Hospital of the Songjiang District of Shanghai, Shanghai 201601, China
| | - Siwen Yu
- Department of Clinical Laboratory Medicine, Shanghai Fifth People's Hospital, Fudan University, Shanghai 200240, China
| | - Kangkang Peng
- Department of Clinical Laboratory Medicine, Sijing Hospital of the Songjiang District of Shanghai, Shanghai 201601, China
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Pei SJ, Zhu YZ, Yang JM, Zhang MC, Shi CL, Ding Y, Yi YY. Activation of moderate autophagy promotes survival of fat graft. FASEB J 2023; 37:e23289. [PMID: 37950635 DOI: 10.1096/fj.202300892r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 09/23/2023] [Accepted: 10/19/2023] [Indexed: 11/13/2023]
Abstract
Clinically unpredictable retention following fat grafting remains outstanding problems because of the unrevealed mechanism of grafted fat survival. The role of autophagy, a process to maintain cellular homeostasis through recycling cellular debris, has yet been to be reported in fat grafting. This study aims to improve the survival of fat grafting through the autophagy. First, the relationship between cell death and autophagy in the early stage of fat grafting was evaluated through immunostaining, RNA sequencing, and western blot. Next, rapamycin, an autophagic agonist, was used for the culturing of adipose-derived stem cells and adipocytes during ischemia. Cell death, autophagy, and reactive oxygen species (ROS) were assayed. Finally, rapamycin was used to assist fat grafting in nude mice. The results demonstrated that the peak of cell death at the early stage of fat grafting was accompanied by a decrease in autophagy. In vitro, during ischemia, 25 nM was confirmed as the optimal dose of rapamycin that reduces cell death with enhanced autophagy and mitophagy, improved mitochondrial quality as well as decreased ROS accumulation. In vivo, promoted mitophagy, alleviated oxidative stress, and decreased cell apoptosis of rapamycin-treated fat grafts were observed in the early stage. In addition, rapamycin increased the survival of fat grafts with increased neovascularization and reduced fibrosis. We suggested that moderate autophagy induced by rapamycin contribute to enhanced ischemic tolerance and long term survival of fat grafts through mitochondrial quality control.
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Affiliation(s)
- Su-Jun Pei
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
| | - Yuan-Zheng Zhu
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
| | - Juan-Min Yang
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
| | - Min-Chen Zhang
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
| | - Chen-Long Shi
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
| | - Ying Ding
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
| | - Yang-Yan Yi
- Department of Plastic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, P. R. China
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Böhm A, Lauko V, Dostalova K, Balanova I, Varga I, Bezak B, Jajcay N, Moravcik R, Lazurova L, Slezak P, Mojto V, Kollarova M, Petrikova K, Danova K, Zeman M. In-vitro antiplatelet effect of melatonin in healthy individuals and patients with type 2 diabetes mellitus. J Endocrinol Invest 2023; 46:2493-2500. [PMID: 37148530 PMCID: PMC10632203 DOI: 10.1007/s40618-023-02102-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/20/2023] [Indexed: 05/08/2023]
Abstract
PURPOSE The incidence of acute myocardial infarctions (AMI) shows circadian variation typically peaking during morning hours with a decline at night. However, this variation does not occur in patients with diabetes mellitus (DM). The night's decline of AMI may be partially explained by melatonin-related platelet inhibition. Whether this effect is absent in diabetic patients is unknown. The aim was to study the effect of melatonin on in-vitro platelet aggregation in healthy individuals and patients with type 2 DM. METHODS Platelet aggregation was measured in blood samples from healthy individuals (n = 15) and type 2 DM patients (n = 15) using multiple electrode aggregometry. Adenosine diphosphate (ADP), arachidonic acid (ASPI) and thrombin (TRAP) were used as agonists. Aggregability for each subject was tested after adding melatonin in two concentrations. RESULTS In healthy individuals, melatonin inhibited platelet aggregation in both higher (10-5 M) and lower concentrations (10-9 M) induced by ADP, ASPI, and TRAP (p < 0.001, p = 0.002, p = 0.029, respectively). In DM patients, melatonin did not affect platelet aggregation in both concentrations induced by ADP, ASPI, and TRAP. Melatonin decreased platelet aggregation induced by ADP, ASPI, and TRAP significantly more in healthy individuals compared to patients with DM. (p = 0.005, p = 0.045 and p = 0.048, respectively). CONCLUSION Platelet aggregation was inhibited by melatonin in healthy individuals. In-vitro antiplatelet effect of melatonin in type 2 DM patients is significantly attenuated.
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Affiliation(s)
- A Böhm
- Premedix Academy, Medená 18, 81102, Bratislava, Slovakia.
- 3rd Department of Internal Medicine, Faculty of Medicine, Comenius University in Bratislava, University Hospital Bratislava, Bratislava, Slovakia.
- National Institute of Cardiovascular Diseases, Bratislava, Slovakia.
| | - V Lauko
- National Institute of Cardiovascular Diseases, Bratislava, Slovakia
| | - K Dostalova
- Slovak Medical University, Bratislava, Slovakia
| | - I Balanova
- National Institute of Cardiovascular Diseases, Bratislava, Slovakia
| | - I Varga
- Cardio-Integra s.r.o., Bratislava, Slovakia
| | - B Bezak
- Premedix Academy, Medená 18, 81102, Bratislava, Slovakia
- National Institute of Cardiovascular Diseases, Bratislava, Slovakia
- Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - N Jajcay
- Premedix Academy, Medená 18, 81102, Bratislava, Slovakia
- Department of Complex Systems, Institute of Computer Science, Czech Academy of Sciences, Prague 8, Czech Republic
| | - R Moravcik
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovakia
| | - L Lazurova
- National Institute of Cardiovascular Diseases, Bratislava, Slovakia
| | - P Slezak
- Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - V Mojto
- Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - M Kollarova
- Premedix Academy, Medená 18, 81102, Bratislava, Slovakia
- Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia
| | - K Petrikova
- Premedix Academy, Medená 18, 81102, Bratislava, Slovakia
| | - K Danova
- National Institute of Cardiovascular Diseases, Bratislava, Slovakia
| | - M Zeman
- Department of Animal Physiology and Ethology, Faculty of Natural Sciences, Comenius University in Bratislava, Bratislava, Slovakia
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Li Y, Changhong Y, Liyu Y, Changchang M, Zeng L, Yue L, Jing Z. Transcription Factor Forkhead Box P (Foxp) 1 Reduces Brain Damage During Cerebral Ischemia-Reperfusion Injury in Mice Through FUN14 Domain-containing Protein 1. Neuroscience 2023; 530:1-16. [PMID: 37625686 DOI: 10.1016/j.neuroscience.2023.07.029] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 06/25/2023] [Accepted: 07/26/2023] [Indexed: 08/27/2023]
Abstract
Mitophagy plays a significant role in modulating the activation of pyrin domain-containing protein 3 (NLRP3) inflammasome, which is a major contributor to the inflammatory response that exacerbates cerebral ischemia-reperfusion (I/R) injury. Despite this, the transcriptional regulation mechanism that governs mitophagy remains unclear. This study sought to explore the potential mechanism of Forkhead Box P1 (Foxp1) and its impact on cerebral I/R injury. We investigated the potential neuroprotective role of Foxp1 in cerebral I/R injury by the middle cerebral artery occlusion (MCAO) mouse model. Additionally, we assessed whether FUN14 domain-containing protein 1 (FUNDC1) could rescue the protective effect of Foxp1. Our results showed that overexpression of Foxp1 prevented brain damage during cerebral I/R injury and promoted NLRP3 inflammasome activation, whereas knockdown of Foxp1 had the opposite effect. Notably, Foxp1 overexpression directly promotes FUNDC1 expression, enhanced mitophagy activation, and inhibited the inflammatory response mediated by the NLRP3 inflammasome. Furthermore, we confirmed through chromatin immunoprecipitation (ChIP) and luciferase reporter assays that FUNDC1 is a direct target gene of Foxp1 downstream. Furthermore, the knockdown of FUNDC1 reversed the increased activation of mitophagy and suppressed NLRP3 inflammasome activation induced by Foxp1 overexpression. Collectively, our findings suggest that Foxp1 inhibits NLRP3 inflammasome activation through FUNDC1 to reduce cerebral I/R injury.
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Affiliation(s)
- Yang Li
- Department of Pathophysiology, The School of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Maternal and Fetal Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China; Department of Obstetrics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Yang Changhong
- Department of Bioinformatics, College of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Yang Liyu
- Department of Pathology, Chongqing Medical University, Chongqing 400016, China
| | - Meng Changchang
- Department of Pathophysiology, The School of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China; Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China
| | - Linggao Zeng
- Chongqing Institute for Food and Drug Control, Chongqing 401121, China; NMPA Key Laboratory for Quality Monitoring of Narcotic Drugs and Psychotropic Substances, Chongqing 401121, China
| | - Li Yue
- Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Zhao Jing
- Department of Pathophysiology, The School of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China; Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China.
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Yu L, Yu S, He Y, Deng G, Li Q. High Autophagy Patterns in Swelling Platelets During Apheresis Platelet Storage. Indian J Hematol Blood Transfus 2023; 39:670-678. [PMID: 37790743 PMCID: PMC10542436 DOI: 10.1007/s12288-023-01638-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 02/15/2023] [Indexed: 03/10/2023] Open
Abstract
Platelets undergo remarkable morphological changes during storage. Platelets change into different sizes and densities and differ in their biochemistry and functions. However, the correlation between structural heterogeneity and platelet autophagy is largely unknown. The aim of this study was to investigate the autophagy process in vitro, such as routine storage of platelets, and explore the role of reactive oxygen species (ROS) involved in the regulation of platelet autophagy. The ROS and autophagy levels of platelet concentrates from apheresis platelets were evaluated through flow cytometry. The expression levels of autophagy-associated proteins (LC3I, LC3II, Beclin1, Parkin, and PINK1) were measured via Western blot. All biomarkers were dynamically monitored for seven days. Moreover, the morphological characteristics of platelet morphology during storage were analyzed through transmission electron microscopy (TEM). Flow cytometry showed that the levels of total cell ROS and mitochondria ROS increased in the stored platelets. Together with the increase in mitochondrial ROS, the autophagy signal LC3 in the platelets was strongly amplified. The number of swollen platelets (large platelets) considerably increased, and that of autophagy signal LC3 was remarkably higher than that of the normal platelets. Western blot revealed that the expression levels of Beclin1 and LC3 II/LC3 I ratio were enhanced, whereas those of Parkin and PINK1 almost did not change during the seven days of storage. The existence of autophagosomes or autophagolysosomes in the platelets at the middle stage of platelet storage was observed via TEM. Our data demonstrated that the subpopulation of large (swollen) platelets exhibited different autophagy patterns. Furthermore, increased platelet autophagy was associated with mitochondrial ROS. These preliminary results suggest that swelling platelets have a higher autophagy pattern than normal platelets during storage.
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Affiliation(s)
- Lu Yu
- The Ningbo Central Blood Station, Ningbo, China
| | - Shifang Yu
- The Department of Transfusion Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yunlei He
- The Ningbo Central Blood Station, Ningbo, China
| | - Gang Deng
- The Ningbo Central Blood Station, Ningbo, China
| | - Qiang Li
- The Department of Laboratory Medicine, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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18
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Wang L, Liu Y, Tian R, Zuo W, Qian H, Wang L, Yang X, Liu Z, Zhang S. What do we know about platelets in myocardial ischemia-reperfusion injury and why is it important? Thromb Res 2023; 229:114-126. [PMID: 37437517 DOI: 10.1016/j.thromres.2023.06.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/22/2023] [Accepted: 06/23/2023] [Indexed: 07/14/2023]
Abstract
Myocardial ischemia-reperfusion injury (MIRI), the joint result of ischemic injury and reperfusion injury, is associated with poor outcomes in patients with acute myocardial infarction undergoing primary percutaneous coronary intervention. Accumulating evidence demonstrates that activated platelets directly contribute to the pathogenesis of MIRI through participating in the formation of microthrombi, interaction with leukocytes, secretion of active substances, constriction of microvasculature, and activation of spinal afferent nerves. The molecular mechanisms underlying the above detrimental effects of activated platelets include the homotypic and heterotypic interactions through surface receptors, transduction of intracellular signals, and secretion of active substances. Revealing the roles of platelet activation in MIRI and the associated mechanisms would provide potential targets/strategies for the clinical evaluation and treatment of MIRI. Further studies are needed to characterize the temporal (ischemia phase vs. reperfusion phase) and spatial (systemic vs. local) distributions of platelet activation in MIRI by multi-omics strategies. To improve the likelihood of translating novel cardioprotective interventions into clinical practice, basic researches maximally replicating the complexity of clinical scenarios would be necessary.
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Affiliation(s)
- Lun Wang
- Department of Internal Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Yifan Liu
- Department of Internal Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Ran Tian
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Wei Zuo
- Department of Pharmacy, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Hao Qian
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Liang Wang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Xinglin Yang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Zhenyu Liu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China.
| | - Shuyang Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China.
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19
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Dong Y, Zhuang XX, Wang YT, Tan J, Feng D, Li M, Zhong Q, Song Z, Shen HM, Fang EF, Lu JH. Chemical mitophagy modulators: Drug development strategies and novel regulatory mechanisms. Pharmacol Res 2023; 194:106835. [PMID: 37348691 DOI: 10.1016/j.phrs.2023.106835] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 06/24/2023]
Abstract
Maintaining mitochondrial homeostasis is a potential therapeutic strategy for various diseases, including neurodegenerative diseases, cardiovascular diseases, metabolic disorders, and cancer. Selective degradation of mitochondria by autophagy (mitophagy) is a fundamental mitochondrial quality control mechanism conserved from yeast to humans. Indeed, small-molecule modulators of mitophagy are valuable pharmaceutical tools that can be used to dissect complex biological processes and turn them into potential drugs. In the past few years, pharmacological regulation of mitophagy has shown promising therapeutic efficacy in various disease models. However, with the increasing number of chemical mitophagy modulator studies, frequent methodological flaws can be observed, leading some studies to draw unreliable or misleading conclusions. This review attempts (a) to summarize the molecular mechanisms of mitophagy; (b) to propose a Mitophagy Modulator Characterization System (MMCS); (c) to perform a comprehensive analysis of methods used to characterize mitophagy modulators, covering publications over the past 20 years; (d) to provide novel targets for pharmacological intervention of mitophagy. We believe this review will provide a panorama of current research on chemical mitophagy modulators and promote the development of safe and robust mitophagy modulators with therapeutic potential by introducing high methodological standards.
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Affiliation(s)
- Yu Dong
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macau
| | - Xu-Xu Zhuang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macau
| | - Yi-Ting Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macau
| | - Jieqiong Tan
- Center for medical genetics, Central South University, Changsha 410031, Hunan, China
| | - Du Feng
- Key Laboratory of Protein Modification and Degradation, State Key Laboratory of Respiratory Disease, College of Basic Medical Science, Guangzhou Medical University, Guangzhou 511436, Guangdong, China
| | - Min Li
- Mr. & Mrs. Ko Chi-Ming Centre for Parkinson's Disease Research, School of Chinese Medicine, Hong Kong Baptist University, 999077, Hong Kong Special Administrative Region
| | - Qing Zhong
- Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Department of Pathophysiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zhiyin Song
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Frontier Science Center for Immunology and Metabolism, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430072, Hubei, China
| | - Han-Ming Shen
- Department of Biomedical Sciences, Faculty of Health Sciences, Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, 999078, Macau
| | - Evandro F Fang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway
| | - Jia-Hong Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macau.
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20
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Chen H, Deng J, Gao H, Song Y, Zhang Y, Sun J, Zhai J. Involvement of the SIRT1-NLRP3 pathway in the inflammatory response. Cell Commun Signal 2023; 21:185. [PMID: 37507744 PMCID: PMC10375653 DOI: 10.1186/s12964-023-01177-2] [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] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/25/2023] [Indexed: 07/30/2023] Open
Abstract
The silent information regulator 2 homolog 1-NACHT, LRR and PYD domains-containing protein 3 (SIRT1-NLRP3) pathway has a crucial role in regulation of the inflammatory response, and is closely related to the occurrence and development of several inflammation-related diseases. NLRP3 is activated to produce the NLRP3 inflammasome, which leads to activation of caspase-1 and cleavage of pro-interleukin (IL)-1β and pro-IL-18 to their active forms: IL-1β and IL-18, respectively. They are proinflammatory cytokines which then cause an inflammatory response.SIRT1 can inhibit this inflammatory response through nuclear factor erythroid 2-related factor 2 and nuclear factor-kappa B pathways. This review article focuses mainly on how the SIRT1-NLRP3 pathway influences the inflammatory response and its relationship with melatonin, traumatic brain injury, neuroinflammation, depression, atherosclerosis, and liver damage. Video Abstract.
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Affiliation(s)
- Huiyue Chen
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
- School of Pharmaceutical Science, Jilin University, Changchun, Jilin, China
| | - Jiayu Deng
- Department of Pharmacy, Lequn Branch, the First Hospital of Jilin University, Changchun, Jilin, China
| | - Huan Gao
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
| | - Yanqing Song
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
- School of Pharmaceutical Science, Jilin University, Changchun, Jilin, China
- Department of Pharmacy, Lequn Branch, the First Hospital of Jilin University, Changchun, Jilin, China
| | - Yueming Zhang
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
| | - Jingmeng Sun
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China
| | - Jinghui Zhai
- Department of Clinical Pharmacy, the First Hospital of Jilin University, Changchun, , Jilin, China.
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21
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Vicente JM, Lescano CH, Bordin S, Mónica FZ, Gobbi G, Anhê GF. Agomelatine inhibits platelet aggregation through melatonin receptor-dependent and independent mechanisms. Life Sci 2023:121906. [PMID: 37394096 DOI: 10.1016/j.lfs.2023.121906] [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: 04/17/2023] [Revised: 06/21/2023] [Accepted: 06/29/2023] [Indexed: 07/04/2023]
Abstract
AIMS Melatonin is known to inhibit platelet aggregation induced by arachidonic acid (AA). In the present study we investigated whether agomelatine (Ago), an antidepressant with agonist activity at melatonin receptor 1 (MT1) and MT2 could reduce platelets aggregation and adhesion. MAIN METHODS Human platelets from healthy donors were used to test the in vitro effects of Ago in the presence of different platelet activators. We performed aggregation and adhesion assays, thromboxane B2 (TxB2), cAMP and cGMP measurements, intra-platelet calcium registration and flow cytometry assays. KEY FINDINGS Our data revealed that different concentrations of Ago reduced AA- and collagen-induced human platelet aggregation in vitro. Ago also reduced AA-induced increase in thromboxane B2 (TxB2) production, intracellular calcium levels and P-selectin expression at plasma membrane. The effects of Ago in AA-activated platelets were likely dependent on MT1 as they were blocked by luzindole (a MT1/MT2 antagonist) and mimicked by the MT1 agonist UCM871 in a luzindole-sensitive manner. The MT2 agonist UCM924 was also able to inhibit platelet aggregation, but this response was not affected by luzindole. On the other hand, although UCM871 and UCM924 reduced collagen-induced platelet aggregation and adhesion, inhibition of collagen-induced platelet aggregation by Ago was not mediated by melatonin receptors because it was not affected by luzindole. SIGNIFICANCE The present data show that Ago suppresses human platelet aggregation and suggest that this antidepressant may have the potential to prevent atherothrombotic ischemic events by reducing thrombus formation and vessel occlusion.
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Affiliation(s)
- Julia Modesto Vicente
- Department of Translational Medicine, School of Medical Sciences, State University of Campinas, Campinas, Brazil
| | - Caroline Honaiser Lescano
- Department of Translational Medicine, School of Medical Sciences, State University of Campinas, Campinas, Brazil
| | - Silvana Bordin
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Fabiola Zakia Mónica
- Department of Translational Medicine, School of Medical Sciences, State University of Campinas, Campinas, Brazil
| | - Gabriella Gobbi
- Neurobiological Psychiatry Unit, Department of Psychiatry, McGill University, Montreal, Quebec, Canada
| | - Gabriel Forato Anhê
- Department of Translational Medicine, School of Medical Sciences, State University of Campinas, Campinas, Brazil.
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22
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Tong B, Zhang Z, Li X, Liu J, Wang H, Song L, Feng J, Dai Z, Xu Y. FUNDC1 modulates mitochondrial defects and pancreatic β-cell dysfunction under lipotoxicity. Biochem Biophys Res Commun 2023; 672:54-64. [PMID: 37336125 DOI: 10.1016/j.bbrc.2023.06.042] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 06/02/2023] [Accepted: 06/13/2023] [Indexed: 06/21/2023]
Abstract
Insulin resistance and many metabolic disorders are causally linked to mitochondrial dysfunction or defective mitochondrial quality control. Mitophagy is a highly selective mechanism that recognizes and removes damaged mitochondria to maintain mitochondrial homeostasis. Here, we addressed the potential role of FUNDC1, a mediator of mitophagy, in pancreatic β-cell dysfunction under lipotoxicity. In pancreatic MIN6 cells, FUNDC1 deficiency aggravated palmitate-induced mitochondrial dysfunction, which led to cell death and insulin insensitivity. Interestingly, FUNDC1 overexpression prevented these cellular harms brought on by palmitate. In mice models, pancreatic-specific FUNDC1 overexpression alleviated high-fat diet (HFD)-induced insulin resistance and obesity. Mechanistically, pancreatic-specific overexpression of FUNDC1 ameliorated mitochondrial defects and endoplasmic reticulum (ER) stress upon HFD. Our research indicates that FUNDC1 plays an essential role in apoptosis and dysfunction of pancreatic β-cells via modulating lipotoxicity-induced mitochondrial defects.
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Affiliation(s)
- Beier Tong
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Zhengwei Zhang
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xuefeng Li
- Department of Endocrinology, Taihe Hospital, Hubei University of Medicine, Shiyan, 442000, China
| | - Jie Liu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Huawei Wang
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Linyang Song
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Jieyuan Feng
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Zhe Dai
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Yancheng Xu
- Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
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23
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Zhang DY, Cui WQ, Hou L, Yang J, Lyu LY, Wang ZY, Linghu KG, He WB, Yu H, Hu YJ. Expanding potential targets of herbal chemicals by node2vec based on herb-drug interactions. Chin Med 2023; 18:64. [PMID: 37264453 PMCID: PMC10233865 DOI: 10.1186/s13020-023-00763-3] [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: 03/10/2023] [Accepted: 05/01/2023] [Indexed: 06/03/2023] Open
Abstract
BACKGROUND The identification of chemical-target interaction is key to pharmaceutical research and development, but the unclear materials basis and complex mechanisms of traditional medicine (TM) make it difficult, especially for low-content chemicals which are hard to test in experiments. In this research, we aim to apply the node2vec algorithm in the context of drug-herb interactions for expanding potential targets and taking advantage of molecular docking and experiments for verification. METHODS Regarding the widely reported risks between cardiovascular drugs and herbs, Salvia miltiorrhiza (Danshen, DS) and Ligusticum chuanxiong (Chuanxiong, CX), which are widely used in the treatment of cardiovascular disease (CVD), and approved drugs for CVD form the new dataset as an example. Three data groups DS-drug, CX-drug, and DS-CX-drug were applied to serve as the context of drug-herb interactions for link prediction. Three types of datasets were set under three groups, containing information from chemical-target connection (CTC), chemical-chemical connection (CCC) and protein-protein interaction (PPI) in increasing steps. Five algorithms, including node2vec, were applied as comparisons. Molecular docking and pharmacological experiments were used for verification. RESULTS Node2vec represented the best performance with average AUROC and AP values of 0.91 on the datasets "CTC, CCC, PPI". Targets of 32 herbal chemicals were identified within 43 predicted edges of herbal chemicals and drug targets. Among them, 11 potential chemical-drug target interactions showed better binding affinity by molecular docking. Further pharmacological experiments indicated caffeic acid increased the thermal stability of the protein GGT1 and ligustilide and low-content chemical neocryptotanshinone induced mRNA change of FGF2 and MTNR1A, respectively. CONCLUSIONS The analytical framework and methods established in the study provide an important reference for researchers in discovering herb-drug interactions, alerting clinical risks, and understanding complex mechanisms of TM.
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Affiliation(s)
- Dai-Yan Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Wen-Qing Cui
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Ling Hou
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Jing Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Li-Yang Lyu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Ze-Yu Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Ke-Gang Linghu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Wen-Bin He
- Shanxi Key Laboratory of Chinese Medicine Encephalopathy, Shanxi University of Chinese Medicine, Taiyuan, China
| | - Hua Yu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China
| | - Yuan-Jia Hu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, 999078, Macao, China.
- DPM, Faculty of Health Sciences, University of Macau, Macao, China.
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24
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Fu L, MacKeigan DT, Gong Q, Che D, Xu Y, Pi L, Sun C, Yu H, Chen K, Zhou H, Jiang Z, Wang Z, Zhang L, Cerenzia EG, Ni H, Gu X. Thymic stromal lymphopoietin induces platelet mitophagy and promotes thrombosis in Kawasaki disease. Br J Haematol 2023; 200:776-791. [PMID: 36341698 DOI: 10.1111/bjh.18531] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/29/2022] [Accepted: 10/12/2022] [Indexed: 11/09/2022]
Abstract
Kawasaki disease (KD) is an acute systemic vasculitis primarily affecting infants and children. Activated platelets predispose patients to coronary artery structural lesions that may lead to thrombotic cardiovascular events. To discover potential proteins underlying platelet activation in KD, we conducted a protein chip assay of 34 cytokines and discovered thymic stromal lymphopoietin (TSLP) was aberrantly expressed, which remained elevated after intravenous immunoglobulin G (IVIG) treatment and during convalescence in KD patients in comparison to healthy controls. Enzyme-linked immunosorbent assay (ELISA) corroborated the upregulation of TSLP in KD patients, which was exacerbated in convalescent patients complicated with thrombosis. TSLP receptors on platelets were also significantly upregulated in KD patients complicated with thrombosis. Platelet activation, apoptosis, and mitochondrial autophagy (mitophagy) were increased in convalescence KD patients complicated with thrombosis. In vitro, TSLP induced platelet activation and platelet mitophagy in healthy blood donors, as observed in KD patients. TSLP, similar to mitophagy agonist carbonyl cyanide 3-chlorophenyl hydrazone (CCCP), promoted thrombosis, which was attenuated by the mitophagy inhibitor Mdivi-1. Co-immunoprecipitation in TSLP-treated platelets revealed TSLP receptor (TSLPR) bound to mitophagy regulators, Parkin and Voltage Dependent Anion Channel Protein 1 (VDAC1).Thus, our results demonstrated that TSLP induced platelet mitophagy via a novel TSLPR/Parkin/VDAC1 pathway that promoted thrombosis in KD. These results suggest TSLP as a novel therapeutic target against KD-associated thrombosis.
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Affiliation(s)
- Lanyan Fu
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Daniel Thomas MacKeigan
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada.,Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Qing Gong
- Department of Biochemistry and Molecular Biology, GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Di Che
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yufen Xu
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Lei Pi
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Chaonan Sun
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Hongyan Yu
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Kaining Chen
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Huazhong Zhou
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Zhiyong Jiang
- Department of Clinical Lab, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Zhouping Wang
- Department of Cardiology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Li Zhang
- Department of Cardiology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Eric G Cerenzia
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada.,Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Heyu Ni
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada.,Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.,Canadian Blood Services Centre for Innovation, Toronto, Ontario, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.,Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Xiaoqiong Gu
- Department of Clinical Biological Resource Bank, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
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25
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Maity J, Dey T, Banerjee A, Chattopadhyay A, Das AR, Bandyopadhyay D. Melatonin ameliorates myocardial infarction in obese diabetic individuals: The possible involvement of macrophage apoptotic factors. J Pineal Res 2023; 74:e12847. [PMID: 36456538 DOI: 10.1111/jpi.12847] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/14/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022]
Abstract
In recent days, the hike in obesity-mediated epidemics across the globe and the prevalence of obesity-induced cardiovascular disease has become one of the chief grounds for morbidity and mortality. This epidemic-driven detrimental events in the cardiac tissues start with the altered distribution and metabolism pattern of high-density lipoprotein and low-density lipoprotein (LDL) leading to cholesterol (oxidized LDL) deposition on the arterial wall and atherosclerotic plaque generation, followed by vascular spasms and infarction. Subsequently, obesity-triggered metabolic malfunctions induce free radical generation which may further trigger pro-inflammatory signaling and nuclear factor kappa-light-chain-enhancer of activated B cells transcriptional factor, thus inducing interferon-gamma, tumor necrosis factor-alpha, and inducible nitric oxide synthase. This terrifying cardiomyopathy can be further aggravated in type 2 diabetes mellitus, thereby making obese diabetic patients prone toward the development of myocardial infarction (MI) or stroke in comparison to their nondiabetic counterparts. The accelerated oxidative stress and pro-inflammatory response induced cardiomyocyte hypertrophy, followed by apoptosis in obese diabetic individuals, causing progression of athero-thrombotic vascular disease. Being an efficient antioxidative and anti-inflammatory indolamine, melatonin effectively inhibits lipid peroxidation, pro-inflammatory reactions, thereby resolving free radical-induced myocardial damages along with maintaining antioxidant reservoir to preserve cardiovascular integrity. Prolonged melatonin treatment maintains balanced body weight and serum total cholesterol concentration by inhibiting cholesterol synthesis and promoting cholesterol catabolism. Additionally, melatonin promotes macrophage polarization toward the anti-inflammatory state, providing a proper shield during the recovery period. Therefore, the protective role of melatonin in maintaining the lipid metabolism homeostasis and blocking the atherosclerotic plaque rupture could be targeted as the possible therapeutic strategy for the management of obesity-induced acute MI. This review aimed at orchestrating the efficacy of melatonin in ameliorating irrevocable oxidative cardiovascular damage induced by the obesity-diabetes correlation.
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Affiliation(s)
- Juin Maity
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, Kolkata, India
| | - Tiyasa Dey
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, Kolkata, India
| | - Adrita Banerjee
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, Kolkata, India
| | | | - Asish R Das
- Department of Chemistry, University of Calcutta, Kolkata, India
| | - Debasish Bandyopadhyay
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, Kolkata, India
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26
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Liu X, Guo C, Zhang Q. Novel insights into the involvement of mitochondrial fission/fusion in heart failure: From molecular mechanisms to targeted therapies. Cell Stress Chaperones 2023; 28:133-144. [PMID: 36652120 PMCID: PMC10050249 DOI: 10.1007/s12192-023-01321-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/04/2023] [Accepted: 01/08/2023] [Indexed: 01/19/2023] Open
Abstract
Mitochondria are dynamic organelles that alter their morphology through fission (fragmentation) and fusion (elongation). These morphological changes correlate highly with mitochondrial functional adaptations to stressors, such as hypoxia, pressure overload, and inflammation, and are important in the setting of heart failure. Pathological mitochondrial remodeling, characterized by increased fission and reduced fusion, is associated with impaired mitochondrial respiration, increased mitochondrial oxidative stress, abnormal cytoplasmic calcium handling, and increased cardiomyocyte apoptosis. Considering the impact of the mitochondrial morphology on mitochondrial behavior and cardiomyocyte performance, altered mitochondrial dynamics could be expected to induce or exacerbate the pathogenesis and progression of heart failure. However, whether alterations in mitochondrial fission and fusion accelerate or retard the progression of heart failure has been the subject of intense debate. In this review, we first describe the physiological processes and regulatory mechanisms of mitochondrial fission and fusion. Then, we extensively discuss the pathological contributions of mitochondrial fission and fusion to heart failure. Lastly, we examine potential therapeutic approaches targeting mitochondrial fission/fusion to treat patients with heart failure.
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Affiliation(s)
- Xinxin Liu
- Department of First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong Province, China
| | - Chenchen Guo
- Neck, Shoulder, Waist and Leg Pain Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Qiming Zhang
- Department of First College of Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong Province, China.
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27
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Liu ZY, Liu F, Cao Y, Peng SL, Pan HW, Hong XQ, Zheng PF. ACSL1, CH25H, GPCPD1, and PLA2G12A as the potential lipid-related diagnostic biomarkers of acute myocardial infarction. Aging (Albany NY) 2023; 15:1394-1411. [PMID: 36863716 PMCID: PMC10042701 DOI: 10.18632/aging.204542] [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: 10/24/2022] [Accepted: 02/13/2023] [Indexed: 03/04/2023]
Abstract
Lipid metabolism plays an essential role in the genesis and progress of acute myocardial infarction (AMI). Herein, we identified and verified latent lipid-related genes involved in AMI by bioinformatic analysis. Lipid-related differentially expressed genes (DEGs) involved in AMI were identified using the GSE66360 dataset from the Gene Expression Omnibus (GEO) database and R software packages. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were conducted to analyze lipid-related DEGs. Lipid-related genes were identified by two machine learning techniques: least absolute shrinkage and selection operator (LASSO) regression and support vector machine recursive feature elimination (SVM-RFE). The receiver operating characteristic (ROC) curves were used to descript diagnostic accuracy. Furthermore, blood samples were collected from AMI patients and healthy individuals, and real-time quantitative polymerase chain reaction (RT-qPCR) was used to determine the RNA levels of four lipid-related DEGs. Fifty lipid-related DEGs were identified, 28 upregulated and 22 downregulated. Several enrichment terms related to lipid metabolism were found by GO and KEGG enrichment analyses. After LASSO and SVM-RFE screening, four genes (ACSL1, CH25H, GPCPD1, and PLA2G12A) were identified as potential diagnostic biomarkers for AMI. Moreover, the RT-qPCR analysis indicated that the expression levels of four DEGs in AMI patients and healthy individuals were consistent with bioinformatics analysis results. The validation of clinical samples suggested that 4 lipid-related DEGs are expected to be diagnostic markers for AMI and provide new targets for lipid therapy of AMI.
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Affiliation(s)
- Zheng-Yu Liu
- Department of Cardiology, Hunan Provincial People's Hospital, Changsha 410000, China
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Medicine Research Center of Heart Failure of Hunan Province, Changsha 410000, China
| | - Fen Liu
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Medicine Research Center of Heart Failure of Hunan Province, Changsha 410000, China
- The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410000, China
| | - Yan Cao
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Medicine Research Center of Heart Failure of Hunan Province, Changsha 410000, China
- Department of Emergency, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Shao-Liang Peng
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Data Center, Hunan Provincial People's Hospital, Changsha 410000, China
| | - Hong-Wei Pan
- Department of Cardiology, Hunan Provincial People's Hospital, Changsha 410000, China
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Medicine Research Center of Heart Failure of Hunan Province, Changsha 410000, China
| | - Xiu-Qin Hong
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Medicine Research Center of Heart Failure of Hunan Province, Changsha 410000, China
- The First Affiliated Hospital of Hunan Normal University (Hunan Provincial People's Hospital), Changsha 410000, China
| | - Peng-Fei Zheng
- Department of Cardiology, Hunan Provincial People's Hospital, Changsha 410000, China
- Department of Epidemiology, Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha 410000, China
- Clinical Medicine Research Center of Heart Failure of Hunan Province, Changsha 410000, China
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NLRX1 increases human retinal pigment epithelial autophagy and reduces H 2O 2-induced oxidative stress and inflammation by suppressing FUNDC1 phosphorylation and NLRP3 activation. Allergol Immunopathol (Madr) 2023; 51:177-186. [PMID: 36617838 DOI: 10.15586/aei.v51i1.766] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 11/04/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND Age-related macular degeneration (AMD) is a leading cause of impaired vision as well as some earlier effects, such as reading and face recognition. Oxidative damage and inflammation of retinal pigment epithelial (RPE) cells are major causes of AMD. Additionally, autophagy in RPE cells can lead to cellular homeostasis under oxidative stress. Nucleotide-binding oligomerization domain (NOD)-like receptor X1 (NLRX1) is a mysterious modulator of the immune system function which inhibits inflammatory response, attenuates reactive oxygen species (ROS) production, and regulates autophagy. This study attempted to explore the role of NLRX1 in oxidative stress, inflammation, and autophagy in AMD. METHODS An in vitro model of AMD was built in human retinal pigment epithelial cell line 19 (ARPE-19) treated with H2O2. The cell viability, NLRX1 expressions, levels of superoxide dismutase (SOD), glutathione (GHS), and ROS, concentrations of interleukin (IL)-1β, tumor necrosis factor-α (TNF-α), IL-6, and monocyte chemoattractant protein-1 (MCP-1), expressions of NLRX1, p62, LC3-II/LC3-I, FUNDC1, and NOD-like receptor protein 3 (NLRP3) inflammasome were expounded by cell counting kit-8, colorimetric, enzyme-linked immunosorbent serologic assay (ELISA), and Western blot assay. RESULTS H2O2 treatment notably reduced the relative protein expression of NLRX1. Meanwhile, H2O2 incubation decreased cell viability, diminished SOD and GSH concentrations, accompanied with the increased level of ROS, enhanced IL-1β, TNF-α, IL-6, and MCP-1 concentrations, and aggrandized the relative protein expression of p62 with reduced LC3-II/LC3-I ratio. Moreover, these results were further promoted with knockdown of NLRX1 and reversed with overexpression. Mechanically, silencing of NLRX1 further observably enhanced the relative levels of -phosphorylated FUNDC1/FUNDC1, and NLRP3 inflammasome-related proteins, while overexpression of NLRX1 exhibited inverse results in the H2O2-induced ARPE-19 cells. CONCLUSION NLRX1 suppressed H2O2-induced oxidative stress and inflammation, and facilitated autophagy by suppressing FUNDC1 phosphorylation and NLRP3 activation in ARPE-19 cells.
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Sehgal SA, Wu H, Sajid M, Sohail S, Ahsan M, Parveen G, Riaz M, Khan MS, Iqbal MN, Malik A. Pharmacological Progress of Mitophagy Regulation. Curr Neuropharmacol 2023; 21:1026-1041. [PMID: 36918785 PMCID: PMC10286582 DOI: 10.2174/1570159x21666230314140528] [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: 08/01/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 03/16/2023] Open
Abstract
With the advancement in novel drug discovery, biologically active compounds are considered pharmacological tools to understand complex biological mechanisms and the identification of potent therapeutic agents. Mitochondria boast a central role in different integral biological processes and mitochondrial dysfunction is associated with multiple pathologies. It is, therefore, prudent to target mitochondrial quality control mechanisms by using pharmacological approaches. However, there is a scarcity of biologically active molecules, which can interact with mitochondria directly. Currently, the chemical compounds used to induce mitophagy include oligomycin and antimycin A for impaired respiration and acute dissipation of mitochondrial membrane potential by using CCCP/FCCP, the mitochondrial uncouplers. These chemical probes alter the homeostasis of the mitochondria and limit our understanding of the energy regulatory mechanisms. Efforts are underway to find molecules that can bring about selective removal of defective mitochondria without compromising normal mitochondrial respiration. In this report, we have tried to summarize and status of the recently reported modulators of mitophagy.
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Affiliation(s)
- Sheikh Arslan Sehgal
- Department of Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
- Department of Bioinformatics, University of Okara, Okara, Pakistan
| | - Hao Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, China
| | - Muhammad Sajid
- Department of Biotechnology, University of Okara, Okara, Pakistan
| | - Summar Sohail
- Department of Forestry, Kohsar University Murree, Pakistan
| | - Muhammad Ahsan
- Institute of Environmental and Agricultural Sciences, University of Okara, Okara, Punjab, Pakistan
| | | | - Mehreen Riaz
- Department of Zoology, Women University, Swabi, Pakistan
| | | | - Muhammad Nasir Iqbal
- Department of Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
| | - Abbeha Malik
- Department of Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
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Role of Mitophagy in Myocardial Ischemia/Reperfusion Injury and Chinese Medicine Treatment. Chin J Integr Med 2023; 29:81-88. [PMID: 34731432 DOI: 10.1007/s11655-021-3301-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2020] [Indexed: 12/31/2022]
Abstract
Mitophagy is one of the important targets for the prevention and treatment of myocardial ischemia/reperfusion injury (MIRI). Moderate mitophagy can remove damaged mitochondria, inhibit excessive reactive oxygen species accumulation, and protect mitochondria from damage. However, excessive enhancement of mitophagy greatly reduces adenosine triphosphate production and energy supply for cell survival, and aggravates cell death. How dysfunctional mitochondria are selectively recognized and engulfed is related to the interaction of adaptors on the mitochondrial membrane, which mainly include phosphatase and tensin homolog deleted on chromosome ten (PTEN)-induced kinase 1/Parkin, hypoxia-inducible factor-1 α/Bcl-2 and adenovirus e1b19k Da interacting protein 3, FUN-14 domain containing protein 1 receptor-mediated mitophagy pathway and so on. In this review, the authors briefly summarize the main pathways currently studied on mitophagy and the relationship between mitophagy and MIRI, and incorporate and analyze research data on prevention and treatment of MIRI with Chinese medicine, thereby provide relevant theoretical basis and treatment ideas for clinical prevention of MIRI.
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Zhen C, Wu X, Zhang J, Liu D, Li G, Yan Y, He X, Miao J, Song H, Yan Y, Zhang Y. Ganoderma lucidum polysaccharides attenuates pressure-overload-induced pathological cardiac hypertrophy. Front Pharmacol 2023; 14:1127123. [PMID: 37033616 PMCID: PMC10076566 DOI: 10.3389/fphar.2023.1127123] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 03/13/2023] [Indexed: 04/11/2023] Open
Abstract
Pathological cardiac hypertrophy is an important risk factor for cardiovascular disease. However, drug therapies that can reverse the maladaptive process and restore heart function are limited. Ganoderma lucidum polysaccharides (GLPs) are one of the main active components of G. lucidum (Ganoderma lucidum), and they have various pharmacological effects. GLPs have been used as Chinese medicine prescriptions for clinical treatment. In this study, cardiac hypertrophy was induced by transverse aortic constriction (TAC) in mice. We found that GLPs ameliorate Ang II-induced cardiomyocyte hypertrophy in vitro and attenuate pressure overload-induced cardiac hypertrophy in vivo. Further research indicated that GLPs attenuated the mRNA levels of hypertrophic and fibrotic markers to inhibit cardiac hypertrophy through the PPARγ/PGC-1α pathway. Overall, these results indicate that GLPs inhibit cardiac hypertrophy through downregulating key genes for hypertrophy and fibrosis and attenuate pressure overload-induced pathological cardiac hypertrophy by activating PPARγ. This study provides important theoretical support for the potential of using GLPs to treat pathological myocardial hypertrophy and heart failure.
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Affiliation(s)
- Changlin Zhen
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Xunxun Wu
- School of Biomedical Science, Huaqiao University, Quanzhou, China
| | - Jing Zhang
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Dan Liu
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Guoli Li
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Yongbo Yan
- The People’s Hospital Affiliated to Chongqing Three Gorges Medical College, Chongqing, China
| | - Xiuzhen He
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Jiawei Miao
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Hongxia Song
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
| | - Yifan Yan
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
- *Correspondence: Yifan Yan, ; Yonghui Zhang,
| | - Yonghui Zhang
- Chongqing Key Laboratory of Development and Utilization of Genuine Medicinal Materials in Three Gorges Reservoir Area, Chongqing, China
- Chongqing Engineering Research Center of Antitumor Natural Drugs, Chongqing Three Gorges Medical College, Chongqing, China
- *Correspondence: Yifan Yan, ; Yonghui Zhang,
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Wen J, Pan T, Li H, Fan H, Liu J, Cai Z, Zhao B. Role of mitophagy in the hallmarks of aging. J Biomed Res 2023; 37:1-14. [PMID: 36642914 PMCID: PMC9898045 DOI: 10.7555/jbr.36.20220045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Aging, subjected to scientific scrutiny, is extensively defined as a time-dependent decline in functions that involves the majority of organisms. The time-dependent accretion of cellular lesions is generally a universal trigger of aging, while mitochondrial dysfunction is a sign of aging. Dysfunctional mitochondria are identified and removed by mitophagy, a selective form of macroautophagy. Increased mitochondrial damage resulting from reduced biogenesis and clearance may promote the aging process. The primary purpose of this paper is to illustrate in detail the effects of mitophagy on aging and emphasize the associations between mitophagy and other signs of aging, including dietary restriction, telomere shortening, epigenetic alterations, and protein imbalance. The evidence regarding the effects of these elements on aging is still limited. And although the understanding of relationship between mitophagy and aging has been long-awaited, to analyze details of such a relationship remains the main challenge in aging studies.
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Affiliation(s)
- Jie Wen
- Department and Institute of Neurology, Guangdong Medical University, Zhanjiang, Guangdong 524001, China,Guangdong Key Laboratory of Aging-related Cardiac and Cerebral Diseases, Zhanjiang, Guangdong 524001, China,Chongqing Key Laboratory of Neurodegenerative Diseases, Chongqing 400013, China,Department of Neurology, Chongqing General Hospital, Chongqing 400013, China
| | - Tingyu Pan
- Chongqing Key Laboratory of Neurodegenerative Diseases, Chongqing 400013, China,Department of Neurology, Chongqing General Hospital, Chongqing 400013, China
| | - Hongyan Li
- Chongqing Key Laboratory of Neurodegenerative Diseases, Chongqing 400013, China,Department of Neurology, Chongqing General Hospital, Chongqing 400013, China,Department of Neurology, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Haixia Fan
- Chongqing Medical University, Chongqing 400042, China
| | - Jinhua Liu
- Department and Institute of Neurology, Guangdong Medical University, Zhanjiang, Guangdong 524001, China,Guangdong Key Laboratory of Aging-related Cardiac and Cerebral Diseases, Zhanjiang, Guangdong 524001, China
| | - Zhiyou Cai
- Chongqing Key Laboratory of Neurodegenerative Diseases, Chongqing 400013, China,Department of Neurology, Chongqing General Hospital, Chongqing 400013, China,Zhiyou Cai, Department of Neurology, Chongqing General Hospital, 312 Zhongshan First Road, Yuzhong District, Chongqing 400013, China. Tel/Fax: +86-23-63515796/+86-23-63515796, E-mail:
| | - Bin Zhao
- Department and Institute of Neurology, Guangdong Medical University, Zhanjiang, Guangdong 524001, China,Guangdong Key Laboratory of Aging-related Cardiac and Cerebral Diseases, Zhanjiang, Guangdong 524001, China,Bin Zhao, Department and Institute of Neurology, Guangdong Medical University, Guangdong Key Laboratory of Aging-related Cardiac and Cerebral Diseases, 57 Renmin Road, Zhanjiang, Guangdong 524001, China. Tel/Fax: +86-759-2386949/+86-13902501596, E-mail: /
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Mehrpooya M, Mazdeh M, Rahmani E, Khazaie M, Ahmadimoghaddam D. Melatonin supplementation may benefit patients with acute ischemic stroke not eligible for reperfusion therapies: Results of a pilot study. J Clin Neurosci 2022; 106:66-75. [DOI: 10.1016/j.jocn.2022.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/29/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022]
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Hosseinzadeh A, Bagherifard A, Koosha F, Amiri S, Karimi-Behnagh A, Reiter RJ, Mehrzadi S. Melatonin effect on platelets and coagulation: Implications for a prophylactic indication in COVID-19. Life Sci 2022; 307:120866. [PMID: 35944663 PMCID: PMC9356576 DOI: 10.1016/j.lfs.2022.120866] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/26/2022] [Accepted: 08/03/2022] [Indexed: 11/04/2022]
Abstract
Severe COVID-19 is associated with the dynamic changes in coagulation parameters. Coagulopathy is considered as a major extra-pulmonary risk factor for severity and mortality of COVID-19; patients with elevated levels of coagulation biomarkers have poorer in-hospital outcomes. Oxidative stress, alterations in the activity of cytochrome P450 enzymes, development of the cytokine storm and inflammation, endothelial dysfunction, angiotensin-converting enzyme 2 (ACE2) enzyme malfunction and renin–angiotensin system (RAS) imbalance are among other mechanisms suggested to be involved in the coagulopathy induced by severe acute respiratory syndrome coronavirus (SARS-CoV-2). The activity and function of coagulation factors are reported to have a circadian component. Melatonin, a multipotential neurohormone secreted by the pineal gland exclusively at night, regulates the cytokine system and the coagulation cascade in infections such as those caused by coronaviruses. Herein, we review the mechanisms and beneficial effects of melatonin against coagulopathy induced by SARS-CoV-2 infection.
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Tan N, Liu T, Wang X, Shao M, Zhang M, Li W, Ling G, Jiang J, Wang Q, Li J, Li C, Wang W, Wang Y. The multi-faced role of FUNDC1 in mitochondrial events and human diseases. Front Cell Dev Biol 2022; 10:918943. [PMID: 35959490 PMCID: PMC9358025 DOI: 10.3389/fcell.2022.918943] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/28/2022] [Indexed: 11/29/2022] Open
Abstract
Mitophagy plays a vital role in the selective elimination of dysfunctional and unwanted mitochondria. As a receptor of mitophagy, FUN14 domain containing 1 (FUNDC1) is attracting considerably critical attention. FUNDC1 is involved in the mitochondria fission, the clearance of unfolded protein, iron metabolism in mitochondria, and the crosstalk between mitochondria and endoplasmic reticulum besides mitophagy. Studies have demonstrated that FUNDC1 is associated with the progression of ischemic disease, cancer, and metabolic disease. In this review, we systematically examine the recent advancements in FUNDC1 and the implications of this protein in health and disease.
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Affiliation(s)
- Nannan Tan
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Tianhua Liu
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoping Wang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Mingyan Shao
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Miao Zhang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Weili Li
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Guanjing Ling
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jinchi Jiang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Qiyan Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Li
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Chun Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Chun Li, ; Wei Wang, ; Yong Wang,
| | - Wei Wang
- School of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Chun Li, ; Wei Wang, ; Yong Wang,
| | - Yong Wang
- School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Chun Li, ; Wei Wang, ; Yong Wang,
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Tobeiha M, Jafari A, Fadaei S, Mirazimi SMA, Dashti F, Amiri A, Khan H, Asemi Z, Reiter RJ, Hamblin MR, Mirzaei H. Evidence for the Benefits of Melatonin in Cardiovascular Disease. Front Cardiovasc Med 2022; 9:888319. [PMID: 35795371 PMCID: PMC9251346 DOI: 10.3389/fcvm.2022.888319] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/10/2022] [Indexed: 12/13/2022] Open
Abstract
The pineal gland is a neuroendocrine gland which produces melatonin, a neuroendocrine hormone with critical physiological roles in the circadian rhythm and sleep-wake cycle. Melatonin has been shown to possess anti-oxidant activity and neuroprotective properties. Numerous studies have shown that melatonin has significant functions in cardiovascular disease, and may have anti-aging properties. The ability of melatonin to decrease primary hypertension needs to be more extensively evaluated. Melatonin has shown significant benefits in reducing cardiac pathology, and preventing the death of cardiac muscle in response to ischemia-reperfusion in rodent species. Moreover, melatonin may also prevent the hypertrophy of the heart muscle under some circumstances, which in turn would lessen the development of heart failure. Several currently used conventional drugs show cardiotoxicity as an adverse effect. Recent rodent studies have shown that melatonin acts as an anti-oxidant and is effective in suppressing heart damage mediated by pharmacologic drugs. Therefore, melatonin has been shown to have cardioprotective activity in multiple animal and human studies. Herein, we summarize the most established benefits of melatonin in the cardiovascular system with a focus on the molecular mechanisms of action.
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Affiliation(s)
- Mohammad Tobeiha
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Ameneh Jafari
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Fadaei
- Department of Internal Medicine and Endocrinology, Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Atefeh Amiri
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Russel J. Reiter
- Department of Cell Systems and Anatomy, UT Health. Long School of Medicine, San Antonio, TX, United States
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Johannesburg, South Africa
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Cai C, Guo Z, Chang X, Li Z, Wu F, He J, Cao T, Wang K, Shi N, Zhou H, Toan S, Muid D, Tan Y. Empagliflozin attenuates cardiac microvascular ischemia/reperfusion through activating the AMPKα1/ULK1/FUNDC1/mitophagy pathway. Redox Biol 2022; 52:102288. [PMID: 35325804 PMCID: PMC8938627 DOI: 10.1016/j.redox.2022.102288] [Citation(s) in RCA: 99] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/07/2022] [Accepted: 03/12/2022] [Indexed: 02/07/2023] Open
Abstract
Mitophagy preserves microvascular structure and function during myocardial ischemia/reperfusion (I/R) injury. Empagliflozin, an anti-diabetes drug, may also protect mitochondria. We explored whether empagliflozin could reduce cardiac microvascular I/R injury by enhancing mitophagy. In mice, I/R injury induced luminal stenosis, microvessel wall damage, erythrocyte accumulation and perfusion defects in the myocardial microcirculation. Additionally, I/R triggered endothelial hyperpermeability and myocardial neutrophil infiltration, which upregulated adhesive factors and endothelin-1 but downregulated vascular endothelial cadherin and endothelial nitric oxide synthase in heart tissue. In vitro, I/R impaired the endothelial barrier function and integrity of cardiac microvascular endothelial cells (CMECs), while empagliflozin preserved CMEC homeostasis and thus maintained cardiac microvascular structure and function. I/R activated mitochondrial fission, oxidative stress and apoptotic signaling in CMECs, whereas empagliflozin normalized mitochondrial fission and fusion, neutralized supraphysiologic reactive oxygen species concentrations and suppressed mitochondrial apoptosis. Empagliflozin exerted these protective effects by activating FUNDC1-dependent mitophagy through the AMPKα1/ULK1 pathway. Both in vitro and in vivo, genetic ablation of AMPKα1 or FUNDC1 abolished the beneficial effects of empagliflozin on the myocardial microvasculature and CMECs. Taken together, the preservation of mitochondrial function through an activation of the AMPKα1/ULK1/FUNDC1/mitophagy pathway is the working mechanism of empagliflozin in attenuating cardiac microvascular I/R injury. Empagliflozin reduces I/R-induced microvascular damage. Empagliflozin suppresses I/R-induced endothelial cell damage. Empagliflozin activates FUNDC1-dependent mitophagy through the AMPKα1/ULK1 pathway. Ablation of FUNDC1 or AMPKα1 abolishes the protective effects of empagliflozin against I/R-induced microvascular damage.
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Zhang T, Liu Q, Gao W, Sehgal SA, Wu H. The multifaceted regulation of mitophagy by endogenous metabolites. Autophagy 2022; 18:1216-1239. [PMID: 34583624 PMCID: PMC9225590 DOI: 10.1080/15548627.2021.1975914] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 12/30/2022] Open
Abstract
Owing to the dominant functions of mitochondria in multiple cellular metabolisms and distinct types of regulated cell death, maintaining a functional mitochondrial network is fundamental for the cellular homeostasis and body fitness in response to physiological adaptations and stressed conditions. The process of mitophagy, in which the dysfunctional or superfluous mitochondria are selectively engulfed by autophagosome and subsequently degraded in lysosome, has been well formulated as one of the major mechanisms for mitochondrial quality control. To date, the PINK1-PRKN-dependent and receptors (including proteins and lipids)-dependent pathways have been characterized to determine the mitophagy in mammalian cells. The mitophagy is highly responsive to the dynamics of endogenous metabolites, including iron-, calcium-, glycolysis-TCA-, NAD+-, amino acids-, fatty acids-, and cAMP-associated metabolites. Herein, we summarize the recent advances toward the molecular details of mitophagy regulation in mammalian cells. We also highlight the key regulations of mammalian mitophagy by endogenous metabolites, shed new light on the bidirectional interplay between mitophagy and cellular metabolisms, with attempting to provide a perspective insight into the nutritional intervention of metabolic disorders with mitophagy deficit.Abbreviations: acetyl-CoA: acetyl-coenzyme A; ACO1: aconitase 1; ADCYs: adenylate cyclases; AMPK: AMP-activated protein kinase; ATM: ATM serine/threonine kinase; BCL2L1: BCL2 like 1; BCL2L13: BCL2 like 13; BNIP3: BCL2 interacting protein 3; BNIP3L: BCL2 interacting protein 3 like; Ca2+: calcium ion; CALCOCO2: calcium binding and coiled-coil domain 2; CANX: calnexin; CO: carbon monoxide; CYCS: cytochrome c, somatic; DFP: deferiprone; DNM1L: dynamin 1 like; ER: endoplasmic reticulum; FKBP8: FKBP prolyl isomerase 8; FOXO3: forkhead box O3; FTMT: ferritin mitochondrial; FUNDC1: FUN14 domain containing 1; GABA: γ-aminobutyric acid; GSH: glutathione; HIF1A: hypoxia inducible factor 1 subunit alpha; IMMT: inner membrane mitochondrial protein; IRP1: iron regulatory protein 1; ISC: iron-sulfur cluster; ITPR2: inositol 1,4,5-trisphosphate type 2 receptor; KMO: kynurenine 3-monooxygenase; LIR: LC3 interacting region; MAM: mitochondria-associated membrane; MAP1LC3: microtubule associated protein 1 light chain 3; MFNs: mitofusins; mitophagy: mitochondrial autophagy; mPTP: mitochondrial permeability transition pore; MTOR: mechanistic target of rapamycin kinase; NAD+: nicotinamide adenine dinucleotide; NAM: nicotinamide; NMN: nicotinamide mononucleotide; NO: nitric oxide; NPA: Niemann-Pick type A; NR: nicotinamide riboside; NR4A1: nuclear receptor subfamily 4 group A member 1; NRF1: nuclear respiratory factor 1; OPA1: OPA1 mitochondrial dynamin like GTPase; OPTN: optineurin; PARL: presenilin associated rhomboid like; PARPs: poly(ADP-ribose) polymerases; PC: phosphatidylcholine; PHB2: prohibitin 2; PINK1: PTEN induced kinase 1; PPARG: peroxisome proliferator activated receptor gamma; PPARGC1A: PPARG coactivator 1 alpha; PRKA: protein kinase AMP-activated; PRKDC: protein kinase, DNA-activated, catalytic subunit; PRKN: parkin RBR E3 ubiquitin protein ligase; RHOT: ras homolog family member T; ROS: reactive oxygen species; SIRTs: sirtuins; STK11: serine/threonine kinase 11; TCA: tricarboxylic acid; TP53: tumor protein p53; ULK1: unc-51 like autophagy activating kinase 1; VDAC1: voltage dependent anion channel 1.
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Affiliation(s)
- Ting Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
| | - Qian Liu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
| | - Weihua Gao
- Hubei Hongshan Laboratory, Wuhan, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
- State Key Laboratory of Agricultural Microbiology, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, China
| | | | - Hao Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Interdisciplinary Sciences Research Institute, Huazhong Agricultural University, Wuhan, China
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Mao Y, Ren J, Yang L. FUN14 Domain Containing 1 (FUNDC1): A Promising Mitophagy Receptor Regulating Mitochondrial Homeostasis in Cardiovascular Diseases. Front Pharmacol 2022; 13:887045. [PMID: 35645834 PMCID: PMC9136072 DOI: 10.3389/fphar.2022.887045] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Mitochondria, the intracellular organelles for cellular aerobic respiration and energy production, play an important role in the regulation of cell metabolism and cell fate. Mitophagy, a selective form of autophagy, maintains dynamic homeostasis of cells through targeting long-lived or defective mitochondria for timely clearance and recycling. Dysfunction in mitophagy is involved in the molecular mechanism responsible for the onset and development of human diseases. FUN14 domain containing 1 (FUNDC1) is a mitochondrial receptor located in the outer mitochondria membrane (OMM) to govern mitophagy process. Emerging evidence has demonstrated that levels and phosphorylation states of FUNDC1 are closely related to the occurrence, progression and prognosis of cardiovascular diseases, indicating a novel role for this mitophagy receptor in the regulation of mitochondrial homeostasis in cardiovascular system. Here we review mitophagy mediated by FUNDC1 in mitochondria and its role in various forms of cardiovascular diseases.
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Affiliation(s)
- Yu Mao
- Department of Cardiovascular Surgery, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Jun Ren
- Department of Cardiology and Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, Shanghai, China
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, United States
- *Correspondence: Jun Ren, ; Lifang Yang,
| | - Lifang Yang
- Department of Anesthesiology, Xi’an Children’s Hospital, Xi’an, China
- *Correspondence: Jun Ren, ; Lifang Yang,
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40
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Zheng T, Wang HY, Chen Y, Chen X, Wu ZL, Hu QY, Sun H. Src Activation Aggravates Podocyte Injury in Diabetic Nephropathy via Suppression of FUNDC1-Mediated Mitophagy. Front Pharmacol 2022; 13:897046. [PMID: 35614934 PMCID: PMC9124787 DOI: 10.3389/fphar.2022.897046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/19/2022] [Indexed: 02/05/2023] Open
Abstract
Background and purpose: Mitophagy plays a significant role in the progression of diabetic nephropathy (DN), although the regulatory mechanisms remain unclear. Recently, accumulating evidence demonstrated that impaired mitochondrial function and mitophagy are involved in DN. Here, we are aimed to explore the role of c-Src (Src) and FUNDC1-related mitophagy in the development of DN. Methods: The db/db mice were used to establish a DN mice model. The mice accepted PP2 (Src inhibitor) treatment to study the role of Src in DN. Kidney function was measured via biochemical testing. Renal histopathology and morphometric analysis were conducted via hematoxylin-eosin (HE), periodic acid-Schiff (PAS), Masson’s staining, and transmission electron microscopy (TEM). We measured degree of apoptosis in kidney by TUNEL assay. Indices of mitophagy (LC3 and p62) were evaluated by Western blotting and immunofluorescence. Complementary in vitro assays were conducted using human podocytes subjected to high glucose in combination with PP2 treatment or FUNDC1 small interfering RNAs (siRNAs). Flow cytometry was used to detect the apoptotic cells. Mitochondrial function was evaluated by JC-1 staining. Double immunofluorescence labeling of LC3 and TOMM20 used to assess the degree of mitophagy. Results: Increased Src activation was detected in the kidneys of db/db mice, and its expression was positively correlated with mitochondrial damage, podocyte apoptosis, and renal dysfunction. Inhibition of Src activation with PP2 protected against mitochondrial damage and podocyte apoptosis. In vitro experiments in podocytes established that high glucose increased Src activation, promoting FUNDC1 phosphorylation and inhibiting mitophagy. Consistent with the mouse model, inhibiting Src activity protected podocytes against mitochondrial damage. FUNDC1 silencing negated the actions of PP2, indicating that FUNDC1-mediated mitophagy is downstream pathway of Src. Conclusion: In summary, our data indicated that Src is a culprit factor in diabetic renal damage via suppression of FUNDC1-mediated mitophagy, promoting the development of DN.
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Guo Z, Du X, Zhou Y, Xu D, Xu X, Lu S, Ran F. Melatonin Alleviates Venous Dysfunction in a Mouse Model of Iliac Vein Occlusion. Front Immunol 2022; 13:870981. [PMID: 35585973 PMCID: PMC9108156 DOI: 10.3389/fimmu.2022.870981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/01/2022] [Indexed: 11/26/2022] Open
Abstract
The iliac vein can be severely stenosed and occluded due to thrombosis, tumor compression, or an anatomical abnormality. Such occlusion could result in limb swelling, venous claudication, and persistent leg ulcers. Its devastating sequelae heavily impact patients lifestyles and the social economy. Due to a lack of a stable and easy-to-operate iliac vein occlusion (IVO) model, its underlying molecular mechanism and pathophysiological process has not been completely understood. Melatonin (MLT) plays a critical role in anti-inflammation, but the potential protective effect of melatonin on venous dysfunction induced by IVO has not been revealed. In this study, a mouse model of IVO was established to study the effects of MLT on injured veins. The results of laser speckle images and Evans blue showed that MLT inhibited venous permeability in an IVO mouse model. Furthermore, MLT suppressed inflammation of surrounding tissues close to the affected vein by inhibiting the mRNA levels of TNF-α, IL-1α, and MCP-1. In addition, endothelial injury was inhibited by MLT using zonula occludens protein-1 (ZO-1) staining. Taken together, we elucidated the therapeutic effect of MLT on vascular dysfunction induced by IVO, mainly by inhibiting the TNF-α, IL-1α, and MCP-1 mRNA levels, improving endothelial function, and inhibiting vascular leakage.
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Affiliation(s)
- Zhiye Guo
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Xiaolong Du
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Yu Zhou
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Dandan Xu
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Xingyu Xu
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
| | - Shan Lu
- Key Laboratory of Cardiovascular and Cerebrovascular Medicine, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, China
- *Correspondence: Feng Ran, ; Shan Lu,
| | - Feng Ran
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
- *Correspondence: Feng Ran, ; Shan Lu,
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42
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Nie S, Shi Z, Shi M, Li H, Qian X, Peng C, Ding X, Zhang S, Lv Y, Wang L, Kong B, Zou X, Shen S. PPARγ/SOD2 Protects Against Mitochondrial ROS-Dependent Apoptosis via Inhibiting ATG4D-Mediated Mitophagy to Promote Pancreatic Cancer Proliferation. Front Cell Dev Biol 2022; 9:745554. [PMID: 35186942 PMCID: PMC8847684 DOI: 10.3389/fcell.2021.745554] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/17/2021] [Indexed: 12/18/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is an extremely aggressive disease with poor prognosis. Our previous study found that peroxisome proliferator activated receptor gamma (PPARγ) was capable of enhancing glycolysis in PDAC cells. However, whether PPARγ could promote PDAC progression remains unclear. In our present study, PPARγ was positively associated with tumor size and poor prognosis in PDAC patients. Functional assays demonstrated that PPARγ could promote the proliferation of pancreatic cancer cells in vitro and in vivo. Additionally, flow cytometry results showed that PPARγ decreased mitochondrial reactive oxygen species (mitochondrial ROS) production, stabilized mitochondrial membrane potential (MMP) and inhibited cell apoptosis via up-regulating superoxide dismutase 2 (SOD2), followed by the inhibition of ATG4D-mediated mitophagy. Meanwhile, the activation of PPARγ might reduce pancreatic cancer cell stemness to improve PDAC chemosensitivity via down-regulating ATG4D. Thus, these results revealed that PPARγ/SOD2 might protect against mitochondrial ROS-dependent apoptosis via inhibiting ATG4D-mediated mitophagy to promote pancreatic cancer proliferation, further improving PDAC chemosensitivity.
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Affiliation(s)
- Shuang Nie
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China
| | - Zhao Shi
- Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Gastroenterology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Mengyue Shi
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China
| | - Hongzhen Li
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China
| | - Xuetian Qian
- Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Gastroenterology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Chunyan Peng
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China
| | - Xiwei Ding
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China
| | - Shu Zhang
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China
| | - Ying Lv
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Gastroenterology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Lei Wang
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Gastroenterology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Bo Kong
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Surgery, Ulm University Hospital, Ulm University, Ulm, Germany
| | - Xiaoping Zou
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Gastroenterology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Shanshan Shen
- Department of Gastroenterology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China.,Nanjing University Institute of Pancreatology, Nanjing, China.,Department of Gastroenterology, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
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43
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Liu M, Wu Y. Role of Mitophagy in Coronary Heart Disease: Targeting the Mitochondrial Dysfunction and Inflammatory Regulation. Front Cardiovasc Med 2022; 9:819454. [PMID: 35187131 PMCID: PMC8854491 DOI: 10.3389/fcvm.2022.819454] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 01/05/2022] [Indexed: 12/14/2022] Open
Abstract
Coronary heart disease (CHD) is one of the main causes of death worldwide. In the past few decades, several in-depth research on the pathological mechanisms and effective treatment methods for CHD have been conducted. At present, the intervention of a variety of therapeutic drugs and treatment technologies have greatly reduced the burden on global public health. However, severe arrhythmia and myocardial fibrosis accompanying CHD in the later stages need to be addressed urgently. Mitochondria are important structural components for energy production and the main sites for aerobic respiration in cells. Mitochondria are involved in arrhythmia, myocardial fibrosis, and acute CHD and play a crucial role in regulating myocardial ischemia/hypoxia. Mitochondrial dysfunction or mitophagy disorders (including receptor-dependent mitophagy and receptor-independent mitophagy) play an important role in the pathogenesis of CHD, especially mitophagy. Mitophagy acts as a “mediator” in the inflammatory damage of cardiomyocytes or vascular endothelial cells and can clear mitochondria or organelles damaged by inflammation under normal conditions. We reviewed experimental advances providing evidence that mitochondrial homeostasis or mitochondrial quality control are important in the pathological mechanism of CHD. Further, we reviewed and summarized relevant regulatory drugs that target mitochondrial function and quality control.
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44
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Leung SWS, Shi Y. The glycolytic process in endothelial cells and its implications. Acta Pharmacol Sin 2022; 43:251-259. [PMID: 33850277 PMCID: PMC8791959 DOI: 10.1038/s41401-021-00647-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 02/22/2021] [Indexed: 02/06/2023] Open
Abstract
Endothelial cells play an obligatory role in regulating local vascular tone and maintaining homeostasis in vascular biology. Cell metabolism, converting food to energy in organisms, is the primary self-sustaining mechanism for cell proliferation and reproduction, structure maintenance, and fight-or-flight responses to stimuli. Four major metabolic processes take place in the energy-producing process, including glycolysis, oxidative phosphorylation, glutamine metabolism, and fatty acid oxidation. Among them, glycolysis is the primary energy-producing mechanism in endothelial cells. The present review focused on glycolysis in endothelial cells under both physiological and pathological conditions. Since the switches among metabolic processes precede the functional changes and disease developments, some prophylactic and/or therapeutic strategies concerning the role of glycolysis in cardiovascular disease are discussed.
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Affiliation(s)
- Susan, Wai Sum Leung
- grid.194645.b0000000121742757Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Yi Shi
- grid.8547.e0000 0001 0125 2443Institute of Clinical Science, Zhongshan Hospital, Fudan University, Shanghai, 200032 China ,grid.8547.e0000 0001 0125 2443Key Laboratory of Organ Transplantation, Zhongshan Hospital, Fudan University, Shanghai, 200032 China
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45
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Bai Y, Yang Y, Cui B, Lin D, Wang Z, Ma J. Temporal Effect of Melatonin Posttreatment on Anoxia/Reoxygenation Injury in H9c2 Cells. Cell Biol Int 2022; 46:637-648. [PMID: 34989460 DOI: 10.1002/cbin.11759] [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: 05/29/2021] [Revised: 11/06/2021] [Accepted: 01/01/2022] [Indexed: 11/07/2022]
Abstract
Melatonin has been proven to reduce myocardial ischemia-reperfusion (MI/R) injury. However, in most studies, melatonin was administered prior to MI/R, thus, the results lack clinical significance in patients with acute myocardial infarction. We hypothesize that melatonin posttreatment at different times has different curative effects. Administered of Melatonin (150 μM) at different times after the onset of reoxygenation (t=-15, 0, 5, 10, 15, 30 min). Cellular apoptosis, oxidative stress and mitochondrial function were assessed. Mitophagy-related protein levels, the mitochondrial membrane potential (MMP) and mitochondrial permeability transition pore (mPTP) activity were also measured. A/R injury upregulated mitophagy, which was associated with increased cellular apoptosis, oxidative stress and mitochondrial dysfunction. Melatonin posttreatment (t= -15, 0, 5, 10, 15, 30 min) significantly inhibited excessive mitophagy after A/R injury, reduced cellular apoptosis and oxidative stress, restored mitochondrial function and MMP, and restrained mPTP opening. The therapeutic time window in which melatonin posttreatment protected H9c2 cells against A/R injury was large (from -15 to 30 min after the onset of reperfusion), but the earlier the melatonin administration was, the better its protective effect was. This mechanism is likely due to a reduction in mPTP activity and MMP collapse, which lead to the inhibition of mitophagy. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Yang Bai
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People's Republic of China
| | - Yanli Yang
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People's Republic of China
| | - Boqun Cui
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People's Republic of China
| | - Duomao Lin
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People's Republic of China
| | - Zhaoqi Wang
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People's Republic of China
| | - Jun Ma
- Department of Anesthesiology, Beijing Anzhen Hospital, Capital Medical University-Beijing Institute of Heart Lung and Blood Vessel Diseases, Beijing, People's Republic of China
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46
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Liu L, Li Y, Chen Q. The Emerging Role of FUNDC1-Mediated Mitophagy in Cardiovascular Diseases. Front Physiol 2022; 12:807654. [PMID: 34975548 PMCID: PMC8718682 DOI: 10.3389/fphys.2021.807654] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 11/19/2021] [Indexed: 01/27/2023] Open
Abstract
Mitochondria are highly dynamic organelles and play essential role in ATP synthase, ROS production, innate immunity, and apoptosis. Mitochondria quality control is critical for maintaining the cellular function in response to cellular stress, growth, and differentiation Signals. Damaged or unwanted mitochondria are selectively removed by mitophagy, which is a crucial determinant of cell viability. Mitochondria-associated Endoplasmic Reticulum Membranes (MAMs) are the cellular structures that connect the ER and mitochondria and are involved in calcium signaling, lipid transfer, mitochondrial dynamic, and mitophagy. Abnormal mitochondrial quality induced by mitophagy impairment and MAMs dysfunction is associated with many diseases, including cardiovascular diseases (CVDs), metabolic syndrome, and neurodegenerative diseases. As a mitophagy receptor, FUNDC1 plays pivotal role in mitochondrial quality control through regulation of mitophagy and MAMs and is closely related to the occurrence of several types of CVDs. This review covers the regulation mechanism of FUNDC1-mediated mitophagy and MAMs formation, with a particular focus on its role in CVDs.
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Affiliation(s)
- Lei Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Yimei Li
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.,Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Quan Chen
- Interdisciplinary Center of Cell Response, State key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, China
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47
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FUNDC1 activates the mitochondrial unfolded protein response to preserve mitochondrial quality control in cardiac ischemia/reperfusion injury. Cell Signal 2022; 92:110249. [DOI: 10.1016/j.cellsig.2022.110249] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 12/28/2021] [Accepted: 01/12/2022] [Indexed: 12/13/2022]
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48
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Liu H, Zang C, Yuan F, Ju C, Shang M, Ning J, Yang Y, Ma J, Li G, Bao X, Zhang D. The role of FUNDC1 in mitophagy, mitochondrial dynamics and human diseases. Biochem Pharmacol 2021; 197:114891. [PMID: 34968482 DOI: 10.1016/j.bcp.2021.114891] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/01/2021] [Accepted: 12/18/2021] [Indexed: 12/22/2022]
Abstract
Mitochondria are the principal sites of energy metabolism and provide most of the energy needed for normal cellular function. They are dynamic organelles that constantly undergo fission, fusion and mitophagy to maintain their homeostasis and function. However, dysregulated mitochondrial dynamics and mitophagy leads to reduced ATP generation and mutation of their DNA, which ultimately leads to cell death. Increasing evidence has shown that the FUN14 domain-containing protein 1 (FUNDC1), a novel mitophagy receptor, participates in the process of mitochondrial dynamics and mitophagy and plays a critical role in various human diseases. Herein, we review the role of FUNDC1 in mitophagy and mitochondrial dynamics, thus providing a better understanding of the relationship between the two processes. Moreover, we summarize the treatments targeting FUNDC1, and suggest that FUNDC1 may represent a promising therapeutic target for the treatment of several human diseases such as cardiovascular diseases, metabolic syndrome, cancer and chronic obstructive pulmonary disease (COPD).
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Affiliation(s)
- Hui Liu
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Caixia Zang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Fangyu Yuan
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Cheng Ju
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Meiyu Shang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Jingwen Ning
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Yang Yang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Jingwei Ma
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Gen Li
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China
| | - Xiuqi Bao
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China.
| | - Dan Zhang
- State Key Laboratory of Bioactive Substrate and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 1 Xian Nong Tan Street, Beijing 100050, China.
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Mao S, Tian S, Luo X, Zhou M, Cao Z, Li J. Overexpression of PLK1 relieved the myocardial ischemia-reperfusion injury of rats through inducing the mitophagy and regulating the p-AMPK/FUNDC1 axis. Bioengineered 2021; 12:2676-2687. [PMID: 34115550 PMCID: PMC8806532 DOI: 10.1080/21655979.2021.1938500] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/31/2021] [Accepted: 05/31/2021] [Indexed: 12/23/2022] Open
Abstract
Myocardial cell injury caused by myocardial ischemia and reperfusion is one of the main causes of the occurrence and development of heart disease. Recent study has shown that inducing mitophagy of cardiomyocytes is a crucial method to alleviate ischemia-reperfusion injury. While, Polo-like kinase 1 (PLK1) can induce the mitophagy of breast cancer cells. Moreover, PLK1 was able to promote the expression of p-AMPK and FUNDC1, which are the protective factors for myocardium. Therefore, the mouse model of ischemia/reperfusion was established and the effect of PLK1 on ischemia reperfusion induced myocardial damage was investigated. The PLK1 was overexpressed in H9c2 cells and rat model of ischemia/reperfusion. Ischemia reperfusion inhibited the expression of PLK1. While overexpression of PLK1 relieved the myocardial infarction and myocardium apoptosis through inducing mitophagy in rats model of ischemia reperfusion. In vitro, the H9c2 cells overexpressing the PLK1 were treated with the hypoxia and reoxygenation and the apoptosis, survival rate and expression of mitophagy-related proteins of H9c2 cells were detected using the flow cytometry, CCK-8 assay and western blotting. The results reveled that overexpression of PLK1 alleviated the hypoxia and reoxygenation induced apoptosis of H9c2 cells and promoted the expression of mitophagy-related proteins. In addition, enhanced PLK1 expression promoted the expression of p-AMPK and FUNDC1 in H9c2 cells. However, the inhibition of FUNDC1 abolished the positive effect of PLK1 on H9c2 cells mentioned above. In conclusion, PLK1 alleviated the ischemia reperfusion induced myocardial damage by inducing the mitophagy in a p-AMPK/FUNDC1 signaling dependent pathway.
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Affiliation(s)
- Shan Mao
- Department of Cardiology, Taihe Hospital, Hubei University of Medicine, Shiyan City, Hubei Province, China
| | - Shuning Tian
- Department of Anesthesiology, Jiangmen Central Hospital Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen City, Guangdong Province, China
| | - Xianghong Luo
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan City, Hubei Province, China
| | - Ming Zhou
- Department of Cardiology, Taihe Hospital, Hubei University of Medicine, Shiyan City, Hubei Province, China
| | - Zheng Cao
- Department of Cardiology, Taihe Hospital, Hubei University of Medicine, Shiyan City, Hubei Province, China
| | - Ji Li
- Department of Cardiovascular Internal Medicine, The Second Affiliated Hospital of Guizhou Medical University, Kaili City, Guizhou Province, China
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50
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Yawoot N, Sengking J, Wicha P, Govitrapong P, Tocharus C, Tocharus J. Melatonin attenuates reactive astrogliosis and glial scar formation following cerebral ischemia and reperfusion injury mediated by GSK-3β and RIP1K. J Cell Physiol 2021; 237:1818-1832. [PMID: 34825376 DOI: 10.1002/jcp.30649] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/26/2021] [Accepted: 11/15/2021] [Indexed: 11/06/2022]
Abstract
Even though astrocytes have been widely reported to support several brain functions, studies have emerged that they exert deleterious effects on the brain after ischemia and reperfusion (I/R) injury. The present study investigated the neuroprotective effects of melatonin on the processes of reactive astrogliosis and glial scar formation, as well as axonal regeneration after transient middle cerebral artery occlusion. Male Wistar rats were randomly divided into four groups: sham-operated, I/R, I/R treated with melatonin, and I/R treated with edaravone. All drugs were administered via intraperitoneal injection at the onset of reperfusion and were continued until the rats were sacrificed on Day 7 or 14 after the surgery. Melatonin presented long-term benefits on cerebral damage after I/R injury, as demonstrated by a decreased infarct volume, histopathological changes, and reduced neuronal cell death. We also found that melatonin attenuated reactive astrogliosis and glial scar formation and, consequently, enhanced axonal regeneration and promoted neurobehavioral recovery. Furthermore, glycogen synthase kinase-3 beta (GSK-3β) and receptor-interacting serine/threonine-protein 1 kinase (RIP1K), which had previously been revealed as proteins involved in astrocyte responses, were significantly reduced after melatonin administration. Taken together, melatonin effectively counteracted the deleterious effects due to astrocyte responses and improved axonal regeneration to promote functional recovery during the chronic phase of cerebral I/R injury by inhibiting GSK-3β and RIP1K activities.
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Affiliation(s)
- Nuttapong Yawoot
- Department of Physiology, Chiang Mai University, Chiang Mai, Thailand.,Graduate School, Chiang Mai University, Chiang Mai, Thailand
| | - Jirakhamon Sengking
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Piyawadee Wicha
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | | | - Chainarong Tocharus
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Jiraporn Tocharus
- Department of Physiology, Chiang Mai University, Chiang Mai, Thailand.,Department of Physiology, Functional Food Research Center for Well-being, Chiang Mai University, Chiang Mai, Thailand
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