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Ma X, Wang L, Li W, Huang Y, Zhu Y, Li J. SP1 MEDIATES OGD/R-INDUCED CARDIOMYOCYTE INJURY VIA ENHANCING THE TRANSCRIPTION OF USP46. Shock 2024; 62:327-335. [PMID: 38813924 DOI: 10.1097/shk.0000000000002401] [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: 05/31/2024]
Abstract
ABSTRACT Background: One of the mechanisms responsible for the high mortality rate of acute myocardial infarction is myocardial ischemia-reperfusion injury (MI-RI). The present study focused on the role and regulatory mechanisms of specificity protein 1 (SP1) and ubiquitin-specific protease 46 (USP46) in oxygen-glucose deprivation/reperfusion (OGD/R)-induced cardiomyocyte injury. Methods: OGD/R was used to treat cardiomyocytes AC16 to mimic ischemia-reperfusion in vitro . Cell viability, proliferation, and apoptosis were determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, 5-ethynyl-2'-deoxyuridine, and flow cytometry assays. Enzyme-linked immunosorbent assays analyzed the concentrations of TNF-α and IL-1β. Several protein levels were analyzed by western blotting. The levels of iron (Fe 2+ ), reactive oxygen species, malondialdehyde, and the activities of superoxide dismutase were analyzed by commercial kits. Chromatin immunoprecipitation and dual-luciferase report assays assessed the relationship between USP46 and SP1. Results: USP46 and SP1 were upregulated in serum from MI patients and they had a positive correlation. OGD/R stimulation suppressed cardiomyocyte viability and proliferation, as well as induced cardiomyocyte inflammation, oxidative stress (OxS) injury, apoptosis, and ferroptosis, but these effects were impaired by USP46 or SP1 knockdown. SP1 could enhance the transcription of USP46, and USP46 overexpression reversed SP1 silencing-mediated effects on OGD/R-induced cardiomyocytes. SP1 mediated the AMPK signaling via USP46 . Conclusion: SP1 mediated OGD/R-induced cardiomyocyte inflammation, OxS injury, apoptosis, and ferroptosis by inactivating the AMPK signaling via enhancing the transcription of USP46.
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Affiliation(s)
- Xuming Ma
- Department of Cardiology, Gansu Provincial Hospital, Lanzhou, Gansu, China
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Ding J, Fayyaz AI, Ding Y, Liang D, Luo M. Role of Specificity Protein 1 (SP1) in Cardiovascular Diseases: Pathological Mechanisms and Therapeutic Potentials. Biomolecules 2024; 14:807. [PMID: 39062521 PMCID: PMC11274404 DOI: 10.3390/biom14070807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 07/01/2024] [Accepted: 07/05/2024] [Indexed: 07/28/2024] Open
Abstract
In mammals, specificity protein 1 (SP1) was the first Cys2-His2 zinc finger transcription factor to be isolated within the specificity protein and Krüppel-like factor (Sp/KLF) gene family. SP1 regulates gene expression by binding to Guanine-Cytosine (GC)-rich sequences on promoter regions of target genes, affecting various cellular processes. Additionally, the activity of SP1 is markedly influenced by posttranslational modifications, such as phosphorylation, acetylation, glycosylation, and proteolysis. SP1 is implicated in the regulation of apoptosis, cell hypertrophy, inflammation, oxidative stress, lipid metabolism, plaque stabilization, endothelial dysfunction, fibrosis, calcification, and other pathological processes. These processes impact the onset and progression of numerous cardiovascular disorders, including coronary heart disease, ischemia-reperfusion injury, cardiomyopathy, arrhythmia, and vascular disease. SP1 emerges as a potential target for the prevention and therapeutic intervention of cardiac ailments. In this review, we delve into the biological functions, pathophysiological mechanisms, and potential clinical implications of SP1 in cardiac pathology to offer valuable insights into the regulatory functions of SP1 in heart diseases and unveil novel avenues for the prevention and treatment of cardiovascular conditions.
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Affiliation(s)
- Jie Ding
- School of Medicine, Tongji University, Shanghai 200092, China; (J.D.); (D.L.)
- State Key Laboratory of Cardiovascular Diseases, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200120, China
- Shanghai Arrhythmia Research Center, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200120, China
| | - Aminah I. Fayyaz
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI 48201, USA; (A.I.F.); (Y.D.)
| | - Yuchuan Ding
- Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI 48201, USA; (A.I.F.); (Y.D.)
| | - Dandan Liang
- School of Medicine, Tongji University, Shanghai 200092, China; (J.D.); (D.L.)
- State Key Laboratory of Cardiovascular Diseases, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200120, China
- Shanghai Arrhythmia Research Center, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200120, China
| | - Ming Luo
- School of Medicine, Tongji University, Shanghai 200092, China; (J.D.); (D.L.)
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Li H, Zeng Y, Zi J, Hu Y, Ma G, Wang X, Shan S, Cheng G, Xiong J. Dietary Flavonoids Consumption and Health: An Umbrella Review. Mol Nutr Food Res 2024; 68:e2300727. [PMID: 38813726 DOI: 10.1002/mnfr.202300727] [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: 10/13/2023] [Revised: 05/07/2024] [Indexed: 05/31/2024]
Abstract
SCOPE The current evidence between dietary flavonoids consumption and multiple health outcomes is inadequate and inconclusive. To summarize and evaluate the evidence for dietary flavonoids consumption and multiple health outcomes, an umbrella review of meta-analyses and systematic reviews is conducted. METHODS AND RESULTS PubMed, Ovid-EMBASE, and the Cochrane Database of Systematic Reviews are searched up to January 2024. The study includes a total of 32 articles containing 24 unique health outcomes in this umbrella review. Meta-analyses are recalculated by using a random effects model. Separate analyses are performed based on the kind of different flavonoid subclasses. The study finds some unique associations such as flavonol and gastric cancer, isoflavone and uterine fibroids and endometrial cancer, total flavonoids consumption and lung cancer, ovarian cancer, and prostate cancer. Overall, the study confirms the negative associations between dietary flavonoids consumption and type 2 diabetes mellitus, cardiovascular diseases, breast cancer, colorectal cancer, lung cancer, and mortality, while positive associations are observed for prostate cancer and uterine fibroids. CONCLUSION Although dietary flavonoids are significantly associated with many outcomes, firm generalizable conclusions about their beneficial or harmful effects cannot be drawn because of the low certainty of evidence for most of outcomes. More well-designed primary studies are needed.
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Affiliation(s)
- Haoqi Li
- Healthy Food Evaluation Research Center, Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Yaxian Zeng
- Healthy Food Evaluation Research Center, Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Jing Zi
- Healthy Food Evaluation Research Center, Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Yifan Hu
- Healthy Food Evaluation Research Center, Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Guochen Ma
- Healthy Food Evaluation Research Center, Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaoyu Wang
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
| | - Shufang Shan
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
| | - Guo Cheng
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, 610041, China
| | - Jingyuan Xiong
- Healthy Food Evaluation Research Center, Department of Occupational and Environmental Health, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China
- Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu, 610041, China
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Yue TT, Cao YJ, Cao YX, Li WX, Wang XY, Si CY, Xia H, Zhu MJ, Tang JF, Wang H. Shuxuening Injection Inhibits Apoptosis and Reduces Myocardial Ischemia-Reperfusion Injury in Rats through PI3K/AKT Pathway. Chin J Integr Med 2024; 30:421-432. [PMID: 38153596 DOI: 10.1007/s11655-023-3650-z] [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] [Accepted: 06/14/2023] [Indexed: 12/29/2023]
Abstract
OBJECTIVE To investigate the main components and potential mechanism of Shuxuening Injection (SXNI) in the treatment of myocardial ischemia-reperfusion injury (MIRI) through network pharmacology and in vivo research. METHODS The Traditional Chinese Medicine Systems Pharmacology (TCMSP) and PharmMapper databases were used to extract and evaluate the effective components of Ginkgo biloba leaves, the main component of SXNI. The Online Mendelian Inheritance in Man (OMIM) and GeneCards databases were searched for disease targets and obtain the drug target and disease target intersections. The active ingredient-target network was built using Cytoscape 3.9.1 software. The STRING database, Metascape online platform, and R language were used to obtain the key targets and signaling pathways of the anti-MIRI effects of SXNI. In order to verify the therapeutic effect of different concentrations of SXNI on MIRI in rats, 60 rats were first divided into 5 groups according to random number table method: the sham operation group, the model group, SXNI low-dose (3.68 mg/kg), medium-dose (7.35 mg/kg), and high-dose (14.7 mg/kg) groups, with 12 rats in each group. Then, another 60 rats were randomly divided into 5 groups: the sham operation group, the model group, SXNI group (14.7 mg/kg), SXNI+LY294002 group, and LY294002 group, with 12 rats in each group. The drug was then administered intraperitoneally at body weight for 14 days. The main biological processes were validated using in vivo testing. Evans blue/triphenyltetrazolium chloride (TTC) double staining, hematoxylin-eosin (HE) staining, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay, enzyme-linked immunosorbent assay (ELISA), and Western blot analysis were used to investigate the efficacy and mechanism of SXNI in MIRI rats. RESULTS Eleven core targets and 30 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways were selected. Among these, the phosphoinositide 3-kinase (PI3K)/ protein kinase B (AKT) pathway was closely related to SXNI treatment of MIRI. In vivo experiments showed that SXNI reduced the myocardial infarction area in the model group, improved rat heart pathological damage, and reduced the cardiomyocyte apoptosis rate (all P<0.01). After SXNI treatment, the p-PI3K/PI3K and p-AKT/AKT ratios as well as B-cell lymphoma-2 (Bcl-2) protein expression in cardiomyocytes were increased, while the Bax and cleaved caspase 3 protein expression levels were decreased (all P<0.05). LY294002 partially reversed the protective effect of SXNI on MIRI. CONCLUSION SXNI protects against MIRI by activating the PI3K/AKT signaling pathway.
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Affiliation(s)
- Tong-Tong Yue
- The First Clinical Medical College of Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Ying-Jie Cao
- Department of Pharmacy, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - Ya-Xuan Cao
- The First Clinical Medical College of Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Wei-Xia Li
- Department of Pharmacy, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - Xiao-Yan Wang
- Department of Pharmacy, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - Chun-Ying Si
- Department of Cardiovascular Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - Han Xia
- Department of Cardiovascular Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - Ming-Jun Zhu
- Department of Cardiovascular Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - Jin-Fa Tang
- Department of Pharmacy, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China
| | - He Wang
- Department of Cardiovascular Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, 451200, China.
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Xu H, Yu S, Lin C, Dong D, Xiao J, Ye Y, Wang M. Roles of flavonoids in ischemic heart disease: Cardioprotective effects and mechanisms against myocardial ischemia and reperfusion injury. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 126:155409. [PMID: 38342018 DOI: 10.1016/j.phymed.2024.155409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/30/2023] [Accepted: 02/01/2024] [Indexed: 02/13/2024]
Abstract
BACKGROUND Flavonoids are extensively present in fruits, vegetables, grains, and medicinal plants. Myocardial ischemia and reperfusion (MI/R) comprise a sequence of detrimental incidents following myocardial ischemia. Research indicates that flavonoids have the potential to act as cardioprotective agents against MI/R injuries. Several specific flavonoids, e.g., luteolin, hesperidin, quercetin, kaempferol, and puerarin, have demonstrated cardioprotective activities in animal models. PURPOSE The objective of this review is to identify the cardioprotective flavonoids, investigate their mechanisms of action, and explore their application in myocardial ischemia. METHODS A search of PubMed database and Google Scholar was conducted using keywords "myocardial ischemia" and "flavonoids". Studies published within the last 10 years reporting on the cardioprotective effects of natural flavonoids on animal models were analyzed. RESULTS A total of 55 natural flavonoids were identified and discussed within this review. It can be summarized that flavonoids regulate the following main strategies: antioxidation, anti-inflammation, calcium modulation, mitochondrial protection, ER stress inhibition, anti-apoptosis, ferroptosis inhibition, autophagy modulation, and inhibition of adverse cardiac remodeling. Additionally, the number and position of OH, 3'4'-catechol, C2=C3, and C4=O may play a significant role in the cardioprotective activity of flavonoids. CONCLUSION This review serves as a reference for designing a daily diet to prevent or reduce damages following ischemia and screening of flavonoids for clinical application.
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Affiliation(s)
- Hui Xu
- Institute for Advanced Study, Shenzhen University, Shenzhen, 508060, PR China
| | - Shenglong Yu
- Department of Cardiovascular, Panyu Central Hospital, Guangzhou, 511400, PR China
| | - Chunxi Lin
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, PR China
| | - Dingjun Dong
- Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang, 441000, PR China
| | - Jianbo Xiao
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense, Campus, E-32004 Ourense, Spain
| | - Yanbin Ye
- Department of Clinical Nutrition, The First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China.
| | - Mingfu Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen, 508060, PR China.
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Chen XJ, Liu SY, Li SM, Feng JK, Hu Y, Cheng XZ, Hou CZ, Xu Y, Hu M, Feng L, Xiao L. The recent advance and prospect of natural source compounds for the treatment of heart failure. Heliyon 2024; 10:e27110. [PMID: 38444481 PMCID: PMC10912389 DOI: 10.1016/j.heliyon.2024.e27110] [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: 09/01/2023] [Revised: 02/15/2024] [Accepted: 02/23/2024] [Indexed: 03/07/2024] Open
Abstract
Heart failure is a continuously developing syndrome of cardiac insufficiency caused by diseases, which becomes a major disease endangering human health as well as one of the main causes of death in patients with cardiovascular diseases. The occurrence of heart failure is related to hemodynamic abnormalities, neuroendocrine hormones, myocardial damage, myocardial remodeling etc, lead to the clinical manifestations including dyspnea, fatigue and fluid retention with complex pathophysiological mechanisms. Currently available drugs such as cardiac glycoside, diuretic, angiotensin-converting enzyme inhibitor, vasodilator and β receptor blocker etc are widely used for the treatment of heart failure. In particular, natural products and related active ingredients have the characteristics of mild efficacy, low toxicity, multi-target comprehensive efficacy, and have obvious advantages in restoring cardiac function, reducing energy disorder and improving quality of life. In this review, we mainly focus on the recent advance including mechanisms and active ingredients of natural products for the treatment of heart failure, which will provide the inspiration for the development of more potent clinical drugs against heart failure.
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Affiliation(s)
- Xing-Juan Chen
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Si-Yuan Liu
- Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Si-Ming Li
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | | | - Ying Hu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Xiao-Zhen Cheng
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Cheng-Zhi Hou
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Yun Xu
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Mu Hu
- Peking University International Hospital, Beijing, 102206, China
| | - Ling Feng
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
| | - Lu Xiao
- China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, 100053, China
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Liu S, Chen F, Han J, Wang L, Dong Y. Ferrostatin-1 improves neurological impairment induced by ischemia/reperfusion injury in the spinal cord through ERK1/2/SP1/GPX4. Exp Neurol 2024; 373:114659. [PMID: 38141803 DOI: 10.1016/j.expneurol.2023.114659] [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: 10/20/2023] [Revised: 12/03/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Spinal cord ischemia/reperfusion injury (SCIRI) induced by artificial aortic occlusion for a while during aortic surgery is a serious complication, leading to paraplegia and even death. Ferroptosis in the nervous system has been confirmed to contribute to neuronal death induced by SCIRI. Therefore, we investigated the therapeutic benefits of ferrostatin-1 (Fer-1, a ferroptosis inhibitor) and explored the mechanism and target of Fer-1 in SCIRI. Our results demonstrate that intrathecal injection of Fer-1 had a strong anti-SCIRI effect, improved ferroptosis-related indices, increased neurological function scores and motor neuron counts, and reduced BSCB leakage and neuroinflammation levels in the anterior horn. We found that SCIRI significantly elevated the levels of several important proteins, including SP1, p-ERK1/2/ERK1/2, COX2, TFR1, SLC40A1, SLC7A11, cleaved Caspase 3, GFAP, and Iba1, while reducing FTH1 and GPX4 protein expression, with no effect on ACSL4 expression. Fer-1 effectively ameliorated the ferroptosis-related changes in these proteins induced by SCIRI. However, for p-ERK1/2 and SP1, Fer-1 not only failed to reduce their expression but also significantly enhanced it. Fer-1 was injected into sham operation rats, abnormal increases in p-ERK1/2/ERK1/2 and SP1 were observed, along with an increase in GPX4. Fluorescent double labeling revealed that SP1 and GPX4 were expressed in neurons and astrocytes. Inhibitors of the ERK pathway (SCH772984) and siRNA against SP1 (AV-sh-SP1) significantly decreased the increase in SP1 and GPX4 protein levels, fluorescent density of SP1 and GPX4 in neurons, and the number of SP1-positive and GPX4-positive neurons induced by Fer-1. SCH772984 but not AV-sh-SP1 significantly reversed the decrease in GFAP and Iba1 induced by Fer-1. In conclusion, our results indicate that Fer-1 inhibited ferroptosis in spinal cord anterior horn neurons, improving neurological impairment and BSCB damage after SCIRI through the ERK1/2/SP1/GPX4 signaling pathway in rats.
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Affiliation(s)
- Sidan Liu
- Department of Anesthesiology, the First Affiliated Hospital of China Medical University, Shenyang, Liaoning province, China.
| | - Fengshou Chen
- Department of Anesthesiology, the First Affiliated Hospital of China Medical University, Shenyang, Liaoning province, China.
| | - Jie Han
- Department of Anesthesiology, the First Affiliated Hospital of China Medical University, Shenyang, Liaoning province, China.
| | - Limei Wang
- Department of Anesthesiology, the First Affiliated Hospital of China Medical University, Shenyang, Liaoning province, China.
| | - Yan Dong
- Department of Anesthesiology, the First Affiliated Hospital of China Medical University, Shenyang, Liaoning province, China.
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Lin Y, Yang X, Li Y, Huang DJ, Sun ZQ. A newly synthesized flavone avoids COMT-catalyzed methylation and mitigates myocardial ischemia/reperfusion injury in H9C2 cells via JNK and P38 pathways. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2024; 27:492-499. [PMID: 38419895 PMCID: PMC10897552 DOI: 10.22038/ijbms.2023.74358.16149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 11/08/2023] [Indexed: 03/02/2024]
Abstract
Objectives Luteolin is a flavone that provides defense against myocardial ischemia/reperfusion (I/R) injury. However, this compound is subjected to methylation mediated by catechol-O-methyltransferase (COMT), thus influencing its pharmacological effect. To synthesize a new flavone from luteolin that avoids COMT-catalyzed methylation and find out the protective mechanism of LUA in myocardial I/R injury. Materials and Methods Luteolin and 2,2'-azobis (2-amidinopropane) dihydrochloride (AAPH) were used to synthesize the new flavone known as LUAAPH-1 (LUA). Then, the myocardial ischemia/reperfusion injury cell model was established using H9c2 cells to detect the effect in myocardial ischemia/reperfusion regulation and to identify the underlying mechanism. Results Pretreatment with LUA (20 μmol/l) substantially increased cell viability while reducing cell apoptosis rate and caspase-3 expression induced by I/R, and the protective effect of LUA on cell viability was stronger than diosmetin, which is the major methylated metabolite of luteolin. In addition, intracellular reactive oxygen species (ROS) production and calcium accumulation were both inhibited by LUA. Furthermore, we identified that LUA markedly relieved the promotive effects of I/R stimulation upon JNK and p38 phosphorylation. Conclusion LUT pretreatment conveys significant cardioprotective effects after myocardial I/R injury, and JNK and p38 MAPK signaling pathway may be involved.
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Affiliation(s)
- Ye Lin
- School of Medical and Health Engineering, Changzhou University, Changzhou 213164, P.R. China
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
| | - Xin Yang
- Food Science and Technology Program, Department of Chemistry, Faculty of Science, National University of Singapore, Singapore 117597, Singapore
| | - Yan Li
- School of Medical and Health Engineering, Changzhou University, Changzhou 213164, P.R. China
| | - De-Jian Huang
- Food Science and Technology Program, Department of Chemistry, Faculty of Science, National University of Singapore, Singapore 117597, Singapore
- National University of Singapore (Suzhou) Research Institute, Suzhou, Jiangsu 215123, P.R. China
| | - Zhi-Qin Sun
- Changzhou Second People's Hospital, Changzhou 213000, P.R. China
- School of Medical and Health Engineering, Changzhou University, Changzhou 213164, P.R. China
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Xia Y, Tan W, Yuan F, Lin M, Luo H. Luteolin Attenuates Oxidative Stress and Colonic Hypermobility in Water Avoidance Stress Rats by Activating the Nrf2 Signaling Pathway. Mol Nutr Food Res 2024; 68:e2300126. [PMID: 38037466 DOI: 10.1002/mnfr.202300126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 07/30/2023] [Indexed: 12/02/2023]
Abstract
SCOPE Irritable bowel syndrome (IBS) is an intestinal disorder, whose symptoms can be alleviated by certain dietary phytochemicals. This study explores the role and potential mechanisms of a natural flavonoid luteolin (LUT) in alleviating the excessive motility of colonic smooth muscles and reducing oxidative stress in IBS with diarrhea (IBS-D) rats. METHODS AND RESULTS LUT reduces excessive intestinal motility and lowers reactive oxygen species (ROS) levels in a water avoidance stress (WAS) rat model. Moreover, LUT increases the protein expression levels of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1), activates the nuclear translocation of Nrf2, and greatly reduces the hydrogen peroxide (H2 O2 )-induced oxidative damage in intestinal epithelial cells. CONCLUSIONS LUT, a phyto-active component, protects against excessive intestinal motility and diarrhea by regulating the Nrf2 signaling pathway and effectively reduces oxidative stress damage in the colon.
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Affiliation(s)
- Yuan Xia
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Key Laboratory of Hubei Province for Digestive System Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Wei Tan
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Key Laboratory of Hubei Province for Digestive System Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Fangting Yuan
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Key Laboratory of Hubei Province for Digestive System Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Mengjuan Lin
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Key Laboratory of Hubei Province for Digestive System Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Hesheng Luo
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
- Key Laboratory of Hubei Province for Digestive System Diseases, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
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Macedo C, Costa PC, Rodrigues F. Bioactive compounds from Actinidia arguta fruit as a new strategy to fight glioblastoma. Food Res Int 2024; 175:113770. [PMID: 38129059 DOI: 10.1016/j.foodres.2023.113770] [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: 08/03/2023] [Revised: 11/10/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023]
Abstract
In recent years, there has been a significant demand for natural products as a mean of disease prevention or as an alternative to conventional medications. The driving force for this change is the growing recognition of the abundant presence of valuable bioactive compounds in natural products. On recent years Actinia arguta fruit, also known as kiwiberry, has attracted a lot of attention from scientific community due to its richness in bioactive compounds, including phenolic compounds, organic acids, vitamins, carotenoids and fiber. These bioactive compounds contribute to the fruit's diverse outstanding biological activities such as antioxidant, anti-inflammatory, neuroprotective, immunomodulatory, and anti-cancer properties. Due to these properties, the fruit may have the potential to be used in the treatment/prevention of various types of cancer, including glioblastoma. Glioblastoma is the most aggressive form of brain cancer, displaying 90 % of recurrence rate within a span of 2 years. Despite the employment of an aggressive approach, the prognosis remains unfavorable, emphasizing the urgent requirement for the development of new effective treatments. The preclinical evidence suggests that kiwiberry has potential impact on glioblastoma by reducing the cancer self-renewal, modulating the signaling pathways involved in the regulation of the cell phenotype and metabolism, and influencing the consolidation of the tumor microenvironment. Even though, challenges such as the imprecise composition and concentration of bioactive compounds, and its low bioavailability after oral administration may be drawbacks to the development of kiwiberry-based treatments, being urgent to ensure the safety and efficacy of kiwiberry for the prevention and treatment of glioblastoma. This review aims to highlight the potential impact of A. arguta bioactive compounds on glioblastoma, providing novel insights into their applicability as complementary or alternative therapies.
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Affiliation(s)
- Catarina Macedo
- REQUIMTE/LAQV, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal; REQUIMTE/UCIBIO, MedTech-Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Paulo C Costa
- REQUIMTE/UCIBIO, MedTech-Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Associate Laboratory i4HB-Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
| | - Francisca Rodrigues
- REQUIMTE/LAQV, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 4249-015 Porto, Portugal.
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11
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Wang Y, Liu Z, Bian X, Zhao C, Zhang X, Liu X, Wang N. Function and regulation of ubiquitin-like SUMO system in heart. Front Cell Dev Biol 2023; 11:1294717. [PMID: 38033852 PMCID: PMC10687153 DOI: 10.3389/fcell.2023.1294717] [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: 09/15/2023] [Accepted: 11/06/2023] [Indexed: 12/02/2023] Open
Abstract
The small ubiquitin-related modifier (SUMOylation) system is a conserved, reversible, post-translational protein modification pathway covalently attached to the lysine residues of proteins in eukaryotic cells, and SUMOylation is catalyzed by SUMO-specific activating enzyme (E1), binding enzyme (E2) and ligase (E3). Sentrin-specific proteases (SENPs) can cleave the isopeptide bond of a SUMO conjugate and catalyze the deSUMOylation reaction. SUMOylation can regulate the activity of proteins in many important cellular processes, including transcriptional regulation, cell cycle progression, signal transduction, DNA damage repair and protein stability. Biological experiments in vivo and in vitro have confirmed the key role of the SUMO conjugation/deconjugation system in energy metabolism, Ca2+ cycle homeostasis and protein quality control in cardiomyocytes. In this review, we summarized the research progress of the SUMO conjugation/deconjugation system and SUMOylation-mediated cardiac actions based on related studies published in recent years, and highlighted the further research areas to clarify the role of the SUMO system in the heart by using emerging technologies.
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Affiliation(s)
- Ying Wang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
- Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin, China
| | - Zhihao Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, China
- State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiyun Bian
- Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin, China
- Tianjin Key Laboratory of Epigenetics for Organ Development in Preterm Infants, The Fifth Central Hospital of Tianjin, Tianjin, China
| | - Chenxu Zhao
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Xin Zhang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Xiaozhi Liu
- Central Laboratory, The Fifth Central Hospital of Tianjin, Tianjin, China
- Tianjin Key Laboratory of Epigenetics for Organ Development in Preterm Infants, The Fifth Central Hospital of Tianjin, Tianjin, China
| | - Nan Wang
- College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
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12
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Cheng X, Yang W, Lin W, Mei F. Paradoxes of Cellular SUMOylation Regulation: A Role of Biomolecular Condensates? Pharmacol Rev 2023; 75:979-1006. [PMID: 37137717 PMCID: PMC10441629 DOI: 10.1124/pharmrev.122.000784] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/05/2023] Open
Abstract
Protein SUMOylation is a major post-translational modification essential for maintaining cellular homeostasis. SUMOylation has long been associated with stress responses as a diverse array of cellular stress signals are known to trigger rapid alternations in global protein SUMOylation. In addition, while there are large families of ubiquitination enzymes, all small ubiquitin-like modifiers (SUMOs) are conjugated by a set of enzymatic machinery comprising one heterodimeric SUMO-activating enzyme, a single SUMO-conjugating enzyme, and a small number of SUMO protein ligases and SUMO-specific proteases. How a few SUMOylation enzymes specifically modify thousands of functional targets in response to diverse cellular stresses remains an enigma. Here we review recent progress toward understanding the mechanisms of SUMO regulation, particularly the potential roles of liquid-liquid phase separation/biomolecular condensates in regulating cellular SUMOylation during cellular stresses. In addition, we discuss the role of protein SUMOylation in pathogenesis and the development of novel therapeutics targeting SUMOylation. SIGNIFICANCE STATEMENT: Protein SUMOylation is one of the most prevalent post-translational modifications and plays a vital role in maintaining cellular homeostasis in response to stresses. Protein SUMOylation has been implicated in human pathogenesis, such as cancer, cardiovascular diseases, neurodegeneration, and infection. After more than a quarter century of extensive research, intriguing enigmas remain regarding the mechanism of cellular SUMOylation regulation and the therapeutic potential of targeting SUMOylation.
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Affiliation(s)
- Xiaodong Cheng
- Department of Integrative Biology & Pharmacology and Texas Therapeutics Institute, Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Wenli Yang
- Department of Integrative Biology & Pharmacology and Texas Therapeutics Institute, Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Wei Lin
- Department of Integrative Biology & Pharmacology and Texas Therapeutics Institute, Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
| | - Fang Mei
- Department of Integrative Biology & Pharmacology and Texas Therapeutics Institute, Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, Texas
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13
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Zhang T, Deng W, Deng Y, Liu Y, Xiao S, Luo Y, Xiang W, He Q. Mechanisms of ferroptosis regulating oxidative stress and energy metabolism in myocardial ischemia-reperfusion injury and a novel perspective of natural plant active ingredients for its treatment. Biomed Pharmacother 2023; 165:114706. [PMID: 37400352 DOI: 10.1016/j.biopha.2023.114706] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 07/05/2023] Open
Abstract
Acute myocardial infarction remains the leading cause of death in humans. Timely restoration of blood perfusion to ischemic myocardium remains the most effective strategy in the treatment of acute myocardial infarction, which can significantly reduce morbidity and mortality. However, after restoration of blood flow and reperfusion, myocardial injury will aggravate and induce apoptosis of cardiomyocytes, a process called myocardial ischemia-reperfusion injury. Studies have shown that the loss and death of cardiomyocytes caused by oxidative stress, iron load, increased lipid peroxidation, inflammation and mitochondrial dysfunction, etc., are involved in myocardial ischemia-reperfusion injury. In recent years, with the in-depth research on the pathology of myocardial ischemia-reperfusion injury, people have gradually realized that there is a new form of cell death in the pathological process of myocardial ischemia-reperfusion injury, namely ferroptosis. A number of studies have found that in the myocardial tissue of patients with acute myocardial infarction, there are pathological changes closely related to ferroptosis, such as iron metabolism disorder, lipid peroxidation, and increased reactive oxygen species free radicals. Natural plant products such as resveratrol, baicalin, cyanidin-3-O-glucoside, naringenin, and astragaloside IV can also exert therapeutic effects by correcting the imbalance of these ferroptosis-related factors and expression levels. Combining with our previous studies, this review summarizes the regulatory mechanism of natural plant products intervening ferroptosis in myocardial ischemia-reperfusion injury in recent years, in order to provide reference information for the development of targeted ferroptosis inhibitor drugs for the treatment of cardiovascular diseases.
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Affiliation(s)
- Tianqing Zhang
- Department of Cardiology, The First People's Hospital of Changde City, Changde 415003, Hunan, China
| | - Wenxu Deng
- The Central Hospital of Hengyang, Hengyang, Hunan 421001, China
| | - Ying Deng
- People's Hospital of Ningxiang City, Ningxiang, Hunan, China
| | - Yao Liu
- The Second Affiliated Hospital, Department of Cardiovascular Medicine, Hengyang Medcial School, University of South China, Hunan 421001, China.
| | - Sijie Xiao
- Department of Ultrasound, The First People's Hospital of Changde City, Changde 415003, China
| | - Yanfang Luo
- Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Wang Xiang
- Department of Immunology and Rheumatology, The First People's Hospital of Changde City, Changde 415003, China
| | - Qi He
- People's Hospital of Ningxiang City, Ningxiang, Hunan, China
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14
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Liang Y, Wang H, Wu B, Peng N, Yu D, Wu X, Zhong X. The emerging role of N 6-methyladenine RNA methylation in metal ion metabolism and metal-induced carcinogenesis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023:121897. [PMID: 37244530 DOI: 10.1016/j.envpol.2023.121897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 05/29/2023]
Abstract
N6-methyladenine (m6A) is the most common and abundant internal modification in eukaryotic mRNAs, which can regulate gene expression and perform important biological tasks. Metal ions participate in nucleotide biosynthesis and repair, signal transduction, energy generation, immune defense, and other important metabolic processes. However, long-term environmental and occupational exposure to metals through food, air, soil, water, and industry can result in toxicity, serious health problems, and cancer. Recent evidence indicates dynamic and reversible m6A modification modulates various metal ion metabolism, such as iron absorption, calcium uptake and transport. In turn, environmental heavy metal can alter m6A modification by directly affecting catalytic activity and expression level of methyltransferases and demethylases, or through reactive oxygen species, eventually disrupting normal biological function and leading to diseases. Therefore, m6A RNA methylation may play a bridging role in heavy metal pollution-induced carcinogenesis. This review discusses interaction among heavy metal, m6A, and metal ions metabolism, and their regulatory mechanism, focuses on the role of m6A methylation and heavy metal pollution in cancer. Finally, the role of nutritional therapy that targeting m6A methylation to prevent metal ion metabolism disorder-induced cancer is summarized.
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Affiliation(s)
- Yaxu Liang
- Joint International Research Laboratory of Animal Health & Food Safety, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang, Nanjing, 210095, China
| | - Huan Wang
- Joint International Research Laboratory of Animal Health & Food Safety, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang, Nanjing, 210095, China
| | - Bencheng Wu
- Anyou Biotechnology Group Co., LTD., Taicang, 215437, China
| | - Ning Peng
- Joint International Research Laboratory of Animal Health & Food Safety, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang, Nanjing, 210095, China
| | - Dongming Yu
- Joint International Research Laboratory of Animal Health & Food Safety, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang, Nanjing, 210095, China
| | - Xin Wu
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, China
| | - Xiang Zhong
- Joint International Research Laboratory of Animal Health & Food Safety, College of Animal Science and Technology, Nanjing Agricultural University, No.1 Weigang, Nanjing, 210095, China.
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15
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Mechanism Repositioning Based on Integrative Pharmacology: Anti-Inflammatory Effect of Safflower in Myocardial Ischemia–Reperfusion Injury. Int J Mol Sci 2023; 24:ijms24065313. [PMID: 36982389 PMCID: PMC10048972 DOI: 10.3390/ijms24065313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 03/12/2023] Open
Abstract
Safflower (Carthamus tinctorius. L) possesses anti-tumor, anti-thrombotic, anti-oxidative, immunoregulatory, and cardio-cerebral protective effects. It is used clinically for the treatment of cardio-cerebrovascular disease in China. This study aimed to investigate the effects and mechanisms of action of safflower extract on myocardial ischemia–reperfusion (MIR) injury in a left anterior descending (LAD)-ligated model based on integrative pharmacology study and ultra-performance liquid chromatography–quadrupole time-of-flight-tandem mass spectrometer (UPLC-QTOF-MS/MS). Safflower (62.5, 125, 250 mg/kg) was administered immediately before reperfusion. Triphenyl tetrazolium chloride (TTC)/Evans blue, echocardiography, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay, lactate dehydrogenase (LDH) ability, and superoxide dismutase (SOD) levels were determined after 24 h of reperfusion. Chemical components were obtained using UPLC-QTOF-MS/MS. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were used to analyze mRNA and protein levels, respectively. Safflower dose-dependently reduced myocardial infarct size, improved cardiac function, decreased LDH levels, and increased SOD levels in C57/BL6 mice. A total of 11 key components and 31 hub targets were filtered based on the network analysis. Comprehensive analysis indicated that safflower alleviated inflammatory effects by downregulating the expression of NFκB1, IL-6, IL-1β, IL-18, TNFα, and MCP-1 and upregulating NFκBia, and markedly increased the expression of phosphorylated PI3K, AKT, PKC, and ERK/2, HIF1α, VEGFA, and BCL2, and decreased the level of BAX and phosphorylated p65. Safflower shows a significant cardioprotective effect by activating multiple inflammation-related signaling pathways, including the NFκB, HIF-1α, MAPK, TNF, and PI3K/AKT signaling pathways. These findings provide valuable insights into the clinical applications of safflower.
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16
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Application Potential of Luteolin in the Treatment of Viral Pneumonia. J Food Biochem 2023. [DOI: 10.1155/2023/1810503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Aim of the Review. This study aims to summarize the therapeutic effect of luteolin on the pathogenesis of viral pneumonia, explore its absorption and metabolism in the human body, evaluate the possibility of luteolin as a drug to treat viral pneumonia, and provide a reference for future research. Materials and Methods. We searched MEDLINE/PubMed, Web of Science, China National Knowledge Infrastructure, and Google Scholar and collected research on luteolin in the treatment of viral pneumonia and related diseases since 2003. Then, we summarized the efficacy and potential of luteolin in directly inhibiting viral activity, limiting inflammatory storms, reducing pulmonary inflammation, and treating pneumonia complications. Results and Conclusion. Luteolin has the potential to treat viral pneumonia in multiple ways. Luteolin has a direct inhibitory effect on coronavirus, influenza virus, and respiratory syncytial virus. Luteolin can alleviate the inflammatory factor storm induced by multiple factors by inhibiting the function of macrophages or mast cells. Luteolin can reduce pulmonary inflammation, pulmonary edema, or pulmonary fibrosis induced by multiple factors. In addition, viral pneumonia may cause multisystem complications, while luteolin has extensive protective effects on the gastrointestinal system, cardiovascular system, and nervous system. However, due to the first-pass metabolism mediated by phase II enzymes, the bioavailability of oral luteolin is low. The bioavailability of luteolin can be improved, and its potential value can be further developed by changing the dosage form or route of administration.
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17
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Ni L, Lin B, Zhang Y, Hu L, Lin J, Fu F, Shen M, Li C, Chen L, Yang J, Shi D, Chen YH. Histone modification landscape and the key significance of H3K27me3 in myocardial ischaemia/reperfusion injury. SCIENCE CHINA. LIFE SCIENCES 2023:10.1007/s11427-022-2257-9. [PMID: 36808292 DOI: 10.1007/s11427-022-2257-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 12/06/2022] [Indexed: 02/21/2023]
Abstract
Histone modifications play crucial roles in the pathogenesis of myocardial ischaemia/reperfusion (I/R) injury. However, a genome-wide map of histone modifications and the underlying epigenetic signatures in myocardial I/R injury have not been established. Here, we integrated transcriptome and epigenome of histone modifications to characterize epigenetic signatures after I/R injury. Disease-specific histone mark alterations were mainly found in H3K27me3-, H3K27ac-, and H3K4me1-marked regions 24 and 48 h after I/R. Genes differentially modified by H3K27ac, H3K4me1 and H3K27me3 were involved in immune response, heart conduction or contraction, cytoskeleton, and angiogenesis. H3K27me3 and its methyltransferase polycomb repressor complex 2 (PRC2) were upregulated in myocardial tissues after I/R. Upon selective inhibition of EZH2 (the catalytic core of PRC2), the mice manifest improved cardiac function, enhanced angiogenesis, and reduced fibrosis. Further investigations confirmed that EZH2 inhibition regulated H3K27me3 modification of multiple pro-angiogenic genes and ultimately enhanced angiogenic properties in vivo and in vitro. This study delineates a landscape of histone modifications in myocardial I/R injury, and identifies H3K27me3 as a key epigenetic modifier in I/R process. The inhibition of H3K27me3 and its methyltransferase might be a potential strategy for myocardial I/R injury intervention.
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Affiliation(s)
- Le Ni
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Bowen Lin
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Yanping Zhang
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Department of Vascular and Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Lingjie Hu
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Jianghua Lin
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Fengmei Fu
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Jinzhou Medical University, Liaoning, 121000, China
| | - Meiting Shen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Can Li
- Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Jinzhou Medical University, Liaoning, 121000, China
| | - Lei Chen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Jian Yang
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.,Shanghai Frontiers Science Center of Nanocatalytic Medicine, Shanghai, 200092, China
| | - Dan Shi
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China.
| | - Yi-Han Chen
- Department of Cardiology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Key Laboratory of Arrhythmias of the Ministry of Education of China, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China. .,Shanghai Frontiers Science Center of Nanocatalytic Medicine, Shanghai, 200092, China. .,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, 200092, China. .,Research Units of Origin and Regulation of Heart Rhythm, Chinese Academy of Medical Sciences, Shanghai, 200092, China.
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18
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Huang L, Kim MY, Cho JY. Immunopharmacological Activities of Luteolin in Chronic Diseases. Int J Mol Sci 2023; 24:ijms24032136. [PMID: 36768462 PMCID: PMC9917216 DOI: 10.3390/ijms24032136] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/13/2023] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
Flavonoids have been shown to have anti-oxidative effects, as well as other health benefits (e.g., anti-inflammatory and anti-tumor functions). Luteolin (3', 4', 5,7-tetrahydroxyflavone) is a flavonoid found in vegetables, fruits, flowers, and herbs, including celery, broccoli, green pepper, navel oranges, dandelion, peppermint, and rosemary. Luteolin has multiple useful effects, especially in regulating inflammation-related symptoms and diseases. In this paper, we summarize the studies about the immunopharmacological activity of luteolin on anti-inflammatory, anti-cardiovascular, anti-cancerous, and anti-neurodegenerative diseases published since 2018 and available in PubMed or Google Scholar. In this review, we also introduce some additional formulations of luteolin to improve its solubility and bioavailability.
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Affiliation(s)
- Lei Huang
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Mi-Yeon Kim
- School of Systems Biomedical Science, Soongsil University, Seoul 06978, Republic of Korea
- Correspondence: (M.-Y.K.); (J.Y.C.); Tel.:+82-2-820-0458 (M.-Y.K.); +82-31-290-7868 (J.Y.C.)
| | - Jae Youl Cho
- Department of Biocosmetics, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Correspondence: (M.-Y.K.); (J.Y.C.); Tel.:+82-2-820-0458 (M.-Y.K.); +82-31-290-7868 (J.Y.C.)
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19
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Muruganathan N, Dhanapal AR, Baskar V, Muthuramalingam P, Selvaraj D, Aara H, Shiek Abdullah MZ, Sivanesan I. Recent Updates on Source, Biosynthesis, and Therapeutic Potential of Natural Flavonoid Luteolin: A Review. Metabolites 2022; 12:1145. [PMID: 36422285 PMCID: PMC9696498 DOI: 10.3390/metabo12111145] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 08/27/2023] Open
Abstract
Nature gives immense resources that are beneficial to humankind. The natural compounds present in plants provide primary nutritional values to our diet. Apart from food, plants also provide chemical compounds with therapeutic values. The importance of these plant secondary metabolites is increasing due to more studies revealing their beneficial properties in treating and managing various diseases and their symptoms. Among them, flavonoids are crucial secondary metabolite compounds present in most plants. Of the reported 8000 flavonoid compounds, luteolin is an essential dietary compound. This review discusses the source of the essential flavonoid luteolin in various plants and its biosynthesis. Furthermore, the potential health benefits of luteolins such as anti-cancer, anti-microbial, anti-inflammatory, antioxidant, and anti-diabetic effects and their mechanisms are discussed in detail. The activity of luteolin and its derivatives are diverse, as they help to prevent and control many diseases and their life-threatening effects. This review will enhance the knowledge and recent findings regarding luteolin and its therapeutic effects, which are certainly useful in potentially utilizing this natural metabolite.
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Affiliation(s)
- Nandakumar Muruganathan
- Department of Plant Pathology and Microbiology, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
| | - Anand Raj Dhanapal
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
- Centre for Plant Tissue Culture & Central Instrumentation Laboratory, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
| | - Venkidasamy Baskar
- Department of Oral & Maxillofacial Surgery, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai 600077, Tamil Nadu, India
| | - Pandiyan Muthuramalingam
- Division of Horticultural Science, College of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Dhivya Selvaraj
- Department of Computer Science and Engineering CSE-AI, Amrita School of Engineering, Chennai 601103, Tamil Nadu, India
| | - Husne Aara
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
| | | | - Iyyakkannu Sivanesan
- Department of Bioresources and Food Science, Institute of Natural Science and Agriculture, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 05029, Republic of Korea
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20
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Kampa RP, Flori L, Sęk A, Spezzini J, Brogi S, Szewczyk A, Calderone V, Bednarczyk P, Testai L. Luteolin-Induced Activation of Mitochondrial BK Ca Channels: Undisclosed Mechanism of Cytoprotection. Antioxidants (Basel) 2022; 11:1892. [PMID: 36290615 PMCID: PMC9598376 DOI: 10.3390/antiox11101892] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 09/29/2023] Open
Abstract
Luteolin (LUT) is a well-known flavonoid that exhibits a number of beneficial properties. Among these, it shows cardioprotective effects, as confirmed by numerous studies. However, its effect on mitochondrial potassium channels, the activation of which is related to cytoprotection, as well as on heart ischemia/reperfusion (I/R) damage prevention, has not yet been investigated. The large conductance calcium-regulated potassium channel (mitoBKCa) has been identified in both the mitochondria of the vascular endothelial cells, which plays a significant role in the functioning of the cardiovascular system under oxidative stress-related conditions, and in the mitochondria of cardiomyocytes, where it is deeply involved in cardiac protection against I/R injury. Therefore, the aim of this study was to explore the role of the mitoBKCa channel in luteolin-induced cytoprotection. A number of in vitro, in vivo, ex vivo and in silico studies have confirmed that luteolin activates this channel in the mitochondria of cardiomyocytes and endothelial cells, which in turn leads to the protection of the endothelium and a significant reduction in the extent of damage resulting from myocardial infarction, where this effect was partially abolished by the mitoBKCa channel blocker paxilline. In conclusion, these results suggest that luteolin has cardioprotective effects, at least in part, through the activation of the mitoBKCa channel, shedding light on a new putative mechanism of action.
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Affiliation(s)
- Rafał P. Kampa
- Laboratory of Intracellular Ion Channels, Nencki Institute of Experimental Biology PAS, 02-093 Warsaw, Poland
- Department of Pharmacology, Faculty of Pharmacy, University of Pisa, 6 via Bonanno Pisano, 56120 Pisa, Italy
| | - Lorenzo Flori
- Department of Pharmacology, Faculty of Pharmacy, University of Pisa, 6 via Bonanno Pisano, 56120 Pisa, Italy
| | - Aleksandra Sęk
- Laboratory of Intracellular Ion Channels, Nencki Institute of Experimental Biology PAS, 02-093 Warsaw, Poland
| | - Jacopo Spezzini
- Department of Pharmacology, Faculty of Pharmacy, University of Pisa, 6 via Bonanno Pisano, 56120 Pisa, Italy
| | - Simone Brogi
- Department of Pharmacology, Faculty of Pharmacy, University of Pisa, 6 via Bonanno Pisano, 56120 Pisa, Italy
| | - Adam Szewczyk
- Laboratory of Intracellular Ion Channels, Nencki Institute of Experimental Biology PAS, 02-093 Warsaw, Poland
| | - Vincenzo Calderone
- Department of Pharmacology, Faculty of Pharmacy, University of Pisa, 6 via Bonanno Pisano, 56120 Pisa, Italy
| | - Piotr Bednarczyk
- Department of Physics and Biophysics, Institute of Biology, Warsaw University of Life Sciences–SGGW (WULS-SGGW), 159 Nowoursynowska St., 02-776 Warsaw, Poland
| | - Lara Testai
- Department of Pharmacology, Faculty of Pharmacy, University of Pisa, 6 via Bonanno Pisano, 56120 Pisa, Italy
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Natural Polyphenols as SERCA Activators: Role in the Endoplasmic Reticulum Stress-Related Diseases. Molecules 2022; 27:molecules27165095. [PMID: 36014327 PMCID: PMC9415898 DOI: 10.3390/molecules27165095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/05/2022] [Accepted: 08/08/2022] [Indexed: 11/17/2022] Open
Abstract
Sarco/endoplasmic reticulum Ca2+-ATPase (SERCA) is a key protein responsible for transporting Ca2+ ions from the cytosol into the lumen of the sarco/endoplasmic reticulum (SR/ER), thus maintaining Ca2+ homeostasis within cells. Accumulating evidence suggests that impaired SERCA function is associated with disruption of intracellular Ca2+ homeostasis and induction of ER stress, leading to different chronic pathological conditions. Therefore, appropriate strategies to control Ca2+ homeostasis via modulation of either SERCA pump activity/expression or relevant signaling pathways may represent a useful approach to combat pathological states associated with ER stress. Natural dietary polyphenolic compounds, such as resveratrol, gingerol, ellagic acid, luteolin, or green tea polyphenols, with a number of health-promoting properties, have been described either to increase SERCA activity/expression directly or to affect Ca2+ signaling pathways. In this review, potential Ca2+-mediated effects of the most studied polyphenols on SERCA pumps or related Ca2+ signaling pathways are summarized, and relevant mechanisms of their action on Ca2+ regulation with respect to various ER stress-related states are depicted. All data were collected using scientific search tools (i.e., Science Direct, PubMed, Scopus, and Google Scholar).
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Qi B, Song L, Hu L, Guo D, Ren G, Peng T, Liu M, Fang Y, Li C, Zhang M, Li Y. Cardiac-specific overexpression of Ndufs1 ameliorates cardiac dysfunction after myocardial infarction by alleviating mitochondrial dysfunction and apoptosis. Exp Mol Med 2022; 54:946-960. [PMID: 35817848 PMCID: PMC9355970 DOI: 10.1038/s12276-022-00800-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 03/20/2022] [Accepted: 04/28/2022] [Indexed: 06/15/2023] Open
Abstract
Myocardial infarction (MI) is the leading cause of premature death among adults. Cardiomyocyte death and dysfunction of the remaining viable cardiomyocytes are the main pathological factors of heart failure after MI. Mitochondrial complexes are emerging as critical mediators for the regulation of cardiomyocyte function. However, the precise roles of mitochondrial complex subunits in heart failure after MI remain unclear. Here, we show that NADH:ubiquinone oxidoreductase core subunit S1 (Ndufs1) expression is decreased in the hearts of heart failure patients and mice with myocardial infarction. Furthermore, we found that cardiac-specific Ndufs1 overexpression alleviates cardiac dysfunction and myocardial fibrosis in the healing phase of MI. Our results demonstrated that Ndufs1 overexpression alleviates MI/hypoxia-induced ROS production and ROS-related apoptosis. Moreover, upregulation of Ndufs1 expression improved the reduced activity of complex I and impaired mitochondrial respiratory function caused by MI/hypoxia. Given that mitochondrial function and cardiomyocyte apoptosis are closely related to heart failure after MI, the results of this study suggest that targeting Ndufs1 may be a potential therapeutic strategy to improve cardiac function in patients with heart failure.
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Affiliation(s)
- Bingchao Qi
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Liqiang Song
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Lang Hu
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Dong Guo
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Gaotong Ren
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Tingwei Peng
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Mingchuan Liu
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Yexian Fang
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Chunyu Li
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China
| | - Mingming Zhang
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China.
| | - Yan Li
- Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, People's Republic of China.
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Loureirin B Alleviates Myocardial Ischemia/Reperfusion Injury via Inhibiting PAI-1/TGF- β1/Smad Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:9128210. [PMID: 35535157 PMCID: PMC9078770 DOI: 10.1155/2022/9128210] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 03/28/2022] [Accepted: 04/04/2022] [Indexed: 12/02/2022]
Abstract
Myocardial ischemia/reperfusion (MI/R) injury is a common clinical problem after myocardial infarction without effective therapy. Loureirin B (LrB) is a kind of flavonoid with anti-inflammatory and antifibrotic activities. However, the effect of LrB on MI/R and its underlying mechanism remains elusive. In the present study, a mouse model of MI/R was established by coronary artery occlusion. Administration of LrB (0.5 mg/kg or 1 mg/kg) for 4 weeks effectively improved left ventricular (LV) function and reduced myocardial infarction in MI/R mice. MI/R-induced expression of IL-6, TNF-α, and IL-1β in the hearts was reduced by LrB treatment. Histological analysis showed that LrB attenuated myocardial collagen deposition. LrB downregulated fibronectin, collagen I, collagen III, and α-SMA expression. Notably, LrB inhibited the expression of profibrotic plasminogen activator inhibitor-1 (PAI-1), transforming growth factor (TGF)-β1, TGF-β1R, and p-Smad2/3. Consistently, LrB inhibited the activation of TGF-β1/Smad signaling pathway and the expression of fibrosis-related proteins in angiotensin (Ang) II-treated cardiac fibroblasts (CFs). Overexpression of PAI-1 abolished the effects of LrB on Ang II-treated CFs, suggesting that LrB may function through regulating PAI-1. These results indicated that LrB may alleviate MI/R-induced myocardial fibrosis by inhibiting PAI-1/TGF-β1/Smad signaling pathway. Thus, LrB may be a potential drug in the treatment of MI/R injury.
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Wang B, Teng Y, Li Y, Lai S, Wu Y, Chen S, Li T, Han X, Zhou H, Wang Y, Lu Z, Li H, Ding Y, Ma L, Zhao M, Wang X. Evidence and Characteristics of Traditional Chinese Medicine for Coronary Heart Disease Patients With Anxiety or Depression: A Meta-Analysis and Systematic Review. Front Pharmacol 2022; 13:854292. [PMID: 35600859 PMCID: PMC9117623 DOI: 10.3389/fphar.2022.854292] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/29/2022] [Indexed: 11/13/2022] Open
Abstract
Aims: The objective of this study was to assess the efficacy and potential mechanisms of Chinese herbal medicine (CHM) for treating coronary heart disease (CHD) patients with anxiety or depression.Methods: A systematic literature search was performed. Screening studies, extracting data, and assessing article quality were carried out independently by two researchers. The active ingredients of CHM for the treatment of CHD with anxiety or depression were analyzed by the network pharmacology, and the main potential mechanisms were summarized by the database of Web of Science.Results: A total of 32 studies were included. The results showed that compared with the blank control groups, CHM was more beneficial in treating anxiety or depression in patients with CHD [anxiety: OR = 3.22, 95% CI (1.94, 5.35), p < 0.00001, I2 = 0%; depression: OR = 3.27, 95% CI (1.67, 6.40), p = 0.0005, I2 = 0%], and the efficacy of CHM was not inferior to that of Western medicine (WM) [anxiety: OR = 1.58, 95%CI (0.39, 6.35), p = 0.52, I2 = 67%; depression: OR = 1.97, 95%CI (0.73, 5.28), p = 0.18, I2 = 33%,]. Additionally, CHM also showed a significant advantage in improving angina stability (AS) in CHD patients with anxiety or depression compared with blank groups [anxiety: SMD = 0.55, 95%CI (0.32, 0.79), p < 0.00001, I2 = 0%; depression: p = 0.004] and WM groups [anxiety: SMD = 1.14, 95%CI (0.80, 1.47), p < 0.00001, I2 = 0%; depression: SMD = 12.15, 95%CI (6.07, 18.23), p < 0.0001, I2 = 0%]. Angina frequency (AF) and electrocardiogram (ECG) analysis after using CHM demonstrated similar trends. Based on the network pharmacology, quercetin, kaempferol, luteolin, beta-sitosterol, puerarin, stigmasterol, isorhamnetin, baicalein, tanshinone IIa, and nobiletin were most closely and simultaneously related to the pathological targets of CHD, anxiety, and depression. The main underlying mechanisms might involve anti-damage/apoptosis, anti-inflammation, antioxidative stress, and maintaining neurotransmitter homeostasis.Conclusion: CHM exhibited an obvious efficacy in treating CHD patients with anxiety or depression, especially for improving the symptom of angina pectoris. The most active compounds of CHM could simultaneously act on the pathological targets of CHD, anxiety, and depression. Multiple effective components and multiple targets were the advantages of CHM compared with WM.
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Affiliation(s)
- Baofu Wang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yu Teng
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yang Li
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Sijia Lai
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yang Wu
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Shiqi Chen
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Tong Li
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaowan Han
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Hufang Zhou
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yu Wang
- The First Hospital of Hebei Medical University, Shijiazhuang, China
| | - Ziwen Lu
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Haiyan Li
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Yukun Ding
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Liang Ma
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Mingjing Zhao
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- Institute of Cardiovascular Diseases, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Mingjing Zhao, ; Xian Wang,
| | - Xian Wang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- Institute of Cardiovascular Diseases, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Mingjing Zhao, ; Xian Wang,
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Pan Q, Liu Y, Ma W, Kan R, Zhu H, Li D. Cardioprotective Effects and Possible Mechanisms of Luteolin for Myocardial Ischemia-Reperfusion Injury: A Systematic Review and Meta-Analysis of Preclinical Evidence. Front Cardiovasc Med 2022; 9:685998. [PMID: 35548432 PMCID: PMC9081501 DOI: 10.3389/fcvm.2022.685998] [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: 03/26/2021] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundAt present, effective clinical therapies for myocardial ischemia-reperfusion injury (MIRI) are lacking. We investigated if luteolin conferred cardioprotective effects against MIRI and elucidated the potential underlying mechanisms.MethodFour databases were searched for preclinical studies of luteolin for the treatment of MIRI. The primary outcomes were myocardial infarct size (IS) and intracardiac hemodynamics. The second outcomes were representative indicators of apoptosis, oxidative stress, and inflammatory. The Stata and RevMan software packages were utilized for data analysis.ResultsLuteolin administration was confirmed to reduce IS and ameliorate hemodynamics as compared to the control groups (p < 0.01). IS had decreased by 2.50%, 2.14%, 2.54% in three subgroups. Amelioration of hemodynamics was apparent in two different myocardial infarct models (model of left anterior descending branch ligation and model of global heart ischemia), as left ventricular systolic pressure improved by 21.62 and 35.40 mmHg respectively, left ventricular end-diastolic pressure decreased by 7.79 and 4.73 mmHg respectively, maximum rate of left ventricular pressure rise increased by 737.48 and 750.47 mmHg/s respectively, and maximum rate of left ventricular pressure decrease increased by 605.66 and 790.64 mmHg/s respectively. Apoptosis of cardiomyocytes also significantly decreased, as indicated by thelevels of MDA, an oxidative stress product, and expression of the inflammatory factor TNF-α (p < 0.001).ConclusionPooling of the data demonstrated that luteolin exerts cardioprotective effects against MIRI through different signaling pathways. As possible mechanisms, luteolin exerts anti-apoptosis, anti-oxidation, and anti-inflammation effects against MIRI.
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Affiliation(s)
- Qinyuan Pan
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, Xuzhou, China
| | - Yang Liu
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, Xuzhou, China
| | - Wenrui Ma
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, Xuzhou, China
| | - Rongsheng Kan
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Hong Zhu
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
- Hong Zhu
| | - Dongye Li
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, Xuzhou, China
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
- *Correspondence: Dongye Li
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Chen J, Liu Y, Pan D, Xu T, Luo Y, Wu W, Wu P, Zhu H, Li D. Estrogen inhibits endoplasmic reticulum stress and ameliorates myocardial ischemia/reperfusion injury in rats by upregulating SERCA2a. Cell Commun Signal 2022; 20:38. [PMID: 35331264 PMCID: PMC8944077 DOI: 10.1186/s12964-022-00842-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 02/07/2022] [Indexed: 11/10/2022] Open
Abstract
Background The incidence of coronary heart disease (CHD) in premenopausal women is significantly lower than that of men of the same age, suggesting protective roles of estrogen for the cardiovascular system against CHD. This study aimed to confirm the protective effect of estrogen on myocardium during myocardial ischemia/reperfusion (MI/R) injury and explore the underlying mechanisms. Methods Neonatal rat cardiomyocytes and Sprague–Dawley rats were used in this study. Different groups were treated by bilateral ovariectomy, 17β-estradiol (E2), adenoviral infection, or siRNA transfection. The expression of sarcoplasmic reticulum Ca2+ ATPase pump (SERCA2a) and endoplasmic reticulum (ER) stress-related proteins were measured in each group to examine the effect of different E2 levels and determine the relationship between SERCA2a and ER stress. The cell apoptosis, myocardial infarction size, levels of apoptosis and serum cardiac troponin I, ejection fraction, calcium transient, and morphology changes of the myocardium and ER were examined to verify the effects of E2 on the myocardium. Results Bilateral ovariectomy resulted in reduced SERCA2a levels and more severe MI/R injury. E2 treatment increased SERCA2a expression. Both E2 treatment and exogenous SERCA2a overexpression decreased levels of ER stress-related proteins and alleviated myocardial damage. In contrast, SERCA2a knockdown exacerbated ER stress and myocardial damage. Addition of E2 after SERCA2a knockdown did not effectively inhibit ER stress or reduce myocardial injury. Conclusions Our data demonstrate that estrogen inhibits ER stress and attenuates MI/R injury by upregulating SERCA2a. These results provide a new potential target for therapeutic intervention and drug discovery in CHD. Video Abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-022-00842-2.
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Affiliation(s)
- Jingwen Chen
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, 84 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China.,Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Yang Liu
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, 84 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Defeng Pan
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Tongda Xu
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, 84 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China.,Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Yuanyuan Luo
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Wanling Wu
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Pei Wu
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, 84 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China
| | - Hong Zhu
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China.
| | - Dongye Li
- Institute of Cardiovascular Disease Research, Xuzhou Medical University, 84 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China. .,Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, 99 West Huaihai Road, Xuzhou, 221002, Jiangsu, People's Republic of China.
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Bu W, Zhang Z, Ocansey DKW, Yu Z, Yang X, Liu Z, Wang X, Ke Y. Research on natural products from traditional Chinese medicine in the treatment of myocardial ischemia-reperfusion injury. Am J Transl Res 2022; 14:1952-1968. [PMID: 35422902 PMCID: PMC8991172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Myocardial ischemia-reperfusion injury (MIRI) is a complicated pathologic process that involves multiple factors including oxidative stress (free radical damage), inflammatory response, calcium overloading, and apoptosis in cardiomyocytes. According to Traditional Chinese Medicine (TCM), MIRI belongs to the categories of "chest numbness", "palpitations" and "angina pectoris". Present data indicate that the application of TCM in myocardial ischemia-reperfusion injury is promising and continues to attract research attention. While the efficacy of Chinese herbal medicine has been well-proven, the underlying molecular mechanisms remain elusive. The common proven mechanisms of Chinese herbal medicine in the treatment of MIRI include regulating lipid metabolism, protecting mitochondria, and improving energy metabolism, attenuating calcium (Ca2+) overload, scavenging oxygen free radicals, inhibiting apoptosis, and reducing autophagy. Others are the regulation of inflammatory cytokine expressions and healing of inflammatory lesions, modulation of cell signaling pathways, improvement of endothelial cell function, and protection of myocardial cells. In this review, we highlight recent studies that focus on elucidating these molecular mechanisms and the therapeutic effects of natural compounds deriving from TCM in MIRI, to ascertain the research progress made and the prospects in this field.
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Affiliation(s)
- Wenyu Bu
- The First Clinical Medical Institute, Hubei University of Chinese MedicineWuhan 430060, Hubei, China
| | - Zhaoyang Zhang
- Taicang Hospital of Traditional Chinese MedicineSuzhou 215400, Jiangsu, China
| | - Dickson Kofi Wiredu Ocansey
- Key Laboratory of Medical Science and Laboratory Medicine of Jiangsu Province, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Directorate of University Health Services, University of Cape Coast, PMBCape Coast, Ghana
| | - Zhihua Yu
- Department of Cardiology, Wuhan Hospital of Traditional Chinese and Western MedicineWuhan 430022, Hubei, China
| | - Xiao Yang
- The First Clinical Medical Institute, Hubei University of Chinese MedicineWuhan 430060, Hubei, China
| | - Zhitong Liu
- The First Clinical Medical Institute, Hubei University of Chinese MedicineWuhan 430060, Hubei, China
| | - Xinyu Wang
- The First Clinical Medical Institute, Hubei University of Chinese MedicineWuhan 430060, Hubei, China
| | - Yuhe Ke
- The First Clinical Medical Institute, Hubei University of Chinese MedicineWuhan 430060, Hubei, China
- Department of Cardiology, Wuhan Hospital of Traditional Chinese and Western MedicineWuhan 430022, Hubei, China
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Syahputra RA, Harahap U, Dalimunthe A, Nasution MP, Satria D. The Role of Flavonoids as a Cardioprotective Strategy against Doxorubicin-Induced Cardiotoxicity: A Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041320. [PMID: 35209107 PMCID: PMC8878416 DOI: 10.3390/molecules27041320] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 01/26/2022] [Accepted: 02/02/2022] [Indexed: 12/14/2022]
Abstract
Doxorubicin is a widely used and promising anticancer drug; however, a severe dose-dependent cardiotoxicity hampers its therapeutic value. Doxorubicin may cause acute and chronic issues, depending on the duration of toxicity. In clinical practice, the accumulative toxic dose is up to 400 mg/m2 and increasing the dose will increase the probability of cardiac toxicity. Several molecular mechanisms underlying the pathogenesis of doxorubicin cardiotoxicity have been proposed, including oxidative stress, topoisomerase beta II inhibition, mitochondrial dysfunction, Ca2+ homeostasis dysregulation, intracellular iron accumulation, ensuing cell death (apoptosis and necrosis), autophagy, and myofibrillar disarray and loss. Natural products including flavonoids have been widely studied both in cell, animal, and human models which proves that flavonoids alleviate cardiac toxicity caused by doxorubicin. This review comprehensively summarizes cardioprotective activity flavonoids including quercetin, luteolin, rutin, apigenin, naringenin, and hesperidin against doxorubicin, both in in vitro and in vivo models.
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Affiliation(s)
- Rony Abdi Syahputra
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan 20155, Indonesia;
- Correspondence: (R.A.S.); (U.H.)
| | - Urip Harahap
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan 20155, Indonesia;
- Correspondence: (R.A.S.); (U.H.)
| | - Aminah Dalimunthe
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan 20155, Indonesia;
| | - M. Pandapotan Nasution
- Department of Pharmaceutical Biology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan 20155, Indonesia; (M.P.N.); (D.S.)
| | - Denny Satria
- Department of Pharmaceutical Biology, Faculty of Pharmacy, Universitas Sumatera Utara, Medan 20155, Indonesia; (M.P.N.); (D.S.)
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Yu Q, Liu W, Chen Z, Zhang M. Specificity Protein 1: A Protein With a Two-Sided Role in Ischemic Stroke. Front Cell Neurosci 2022; 15:757670. [PMID: 34970121 PMCID: PMC8712767 DOI: 10.3389/fncel.2021.757670] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/15/2021] [Indexed: 11/23/2022] Open
Abstract
Stroke is one of the leading causes of death and disability worldwide. However, there is a lack of effective medications to speed up the recovery process. Ischemic stroke, as the result of cerebral infarction or cerebral artery narrowing, is accompanied by hemiplegia or impaired consciousness. There are many transcription factors involved in the development of this condition, whose alterations can influence or signal the prognostic outcomes of ischemic stroke. Among them, the augmented expression of specificity protein 1 (SP1) can participate in the progression of the disease by binding DNA to regulate the transcriptions of many genes. Different studies have provided different answers as to whether SP1 plays a positive or a negative role in ischemic stroke. On the one hand, SP1 can play a cytoprotective role as both an antioxidant and anti-apoptotic agent for neurons and glial cells. On the other hand, it can also damage neuronal cells by promoting inflammation and exacerbating brain edema. In this review, we highlight the roles of SP1 in ischemic stroke and shed light on the underlying mechanism.
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Affiliation(s)
- Qinyang Yu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Wangyang Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhuohui Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Mengqi Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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30
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Deng W, Jin Q, Li L. Protective mechanism of demethylase fat mass and obesity-associated protein in energy metabolism disorder of hypoxia-reoxygenation-induced cardiomyocytes. Exp Physiol 2021; 106:2423-2433. [PMID: 34713923 DOI: 10.1113/ep089901] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 10/26/2021] [Indexed: 01/02/2023]
Abstract
NEW FINDINGS What is the central question of this study? What is the effect of fat mass and obesity-associated protein (FTO) on energy metabolism in hypoxia-reoxygenation (H/R)-induced cardiomyocytes? What is the main finding and its importance? FTO modification of N6 -methyladenosine (m6 A) is associated with myocardial cell energy metabolism disorder. FTO reduced the m6 A level of sarcoplasmic/endoplasmic reticulum calcium ATPase 2a (SERCA2a) mRNA through demethylation, thus promoting SERCA2a expression, maintaining calcium homeostasis, and improving energy metabolism of H/R cardiomyocytes. ABSTRACT Energy metabolism disorder is the initial physiological link of myocardial ischaemia-reperfusion injury. Fat mass and obesity-associated protein (FTO) is an N6 -methyladenosine (m6 A) demethylase implicated in several cardiac defects. This study sought to investigate the effect of FTO on energy metabolism in hypoxia-reoxygenation (H/R)-induced cardiomyocytes. FTO and sarcoplasmic/endoplasmic reticulum calcium ATPase 2a (SERCA2a) expression in H/R-induced cardiomyocytes were determined. Cardiomyocyte viability, cytotoxicity and apoptosis were measured. The total RNA and polyA+ RNA contents were isolated from cells. The m6 A level of RNA and the enrichment of m6 A of SERCA2a mRNA were calculated. Several indices such as the glycolytic potential, reactive oxygen species (ROS), mitochondrial activity and ATP content were evaluated. The concentration of calcium in cardiomyocytes was determined. FTO and SERCA2a were poorly expressed in H/R-induced cardiomyocytes. There was an elevated m6 A level in total RNA and enrichment of m6 A in SERCA2a mRNA. H/R treatment reduced the cell viability, mitochondrial membrane potential and ATP content in cardiomyocytes, but increased the cytotoxicity, apoptosis, ROS content and calcium concentration. Upregulation of FTO reversed the preceding findings with downregulation of the m6 A level of SERCA2a mRNA. Downregulation of SERCA2a annulled the promoting effect of FTO on calcium homeostasis and energy metabolism in H/R-induced cardiomyocytes. Collectively, the current study demonstrated that FTO reduced the m6 A level on SERCA2a mRNA through demethylation, thus promoting SERCA2a expression, maintaining calcium homeostasis and improving the energy metabolism of H/R cardiomyocytes.
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Affiliation(s)
- Wenzheng Deng
- Department of Cardiology, Chenzhou First People's Hospital, Chenzhou, Hunan, China
| | - Qiao Jin
- Department of Cardiovascular Medicine, Nanhua University affiliated Changsha Central Hospital, Changsha, Hunan, China
| | - Liang Li
- Department of Cardiovascular Medicine, Nanhua University affiliated Changsha Central Hospital, Changsha, Hunan, China
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31
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Geng H, Su Y, Huang R, Fan M, Li X, Lu X, Sheng H. Specific protein 1 inhibitor mithramycin A protects cardiomyocytes from myocardial infarction via interacting with PARP. In Vitro Cell Dev Biol Anim 2021; 57:315-323. [PMID: 33580416 DOI: 10.1007/s11626-021-00543-z] [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: 10/19/2020] [Accepted: 01/05/2021] [Indexed: 10/22/2022]
Abstract
Specific protein 1 (SP1) might act as a critical transcription regulator in myocardial infarction (MI), but little evidence about its function in regulating cardiac apoptosis, a major cause of MI development, has been revealed. This study tried to investigate the role of SP1 in MI and its interaction with poly-ADP-ribose polymerase (PARP)-1 by using SP1 inhibitor, mithramycin A (mithA). Primary mouse cardiomyocytes and commercial mouse cardiomyocytes were subjected to mithA treatment under hypoxia conditions, while cell viability, Nix promoter activity, and its expression were detected correspondingly. PARP overexpression and knockdown were conducted, respectively, in mithA-treated and SP1-overexpressing cells. Co-immunoprecipitation was used to verify the interaction between PARP and SP1. For in vivo experiments, mithA administration was performed after the injections of adenovirus for PARP overexpression, and then, MI introduction was carried out. Infarct size and lactate dehydrogenase level were measured to assess MI injury. SP1 inhibitor mithA attenuated hypoxia-induced decrease of cell viability and Nix transcriptional activation, which could be inhibited by PARP overexpression. Knockdown of PARP prevented SP1-induced transcription of Nix and cell viability change, and PARP showed direct interaction with SP1. Furthermore, mithA administration reduced MI injuries, while PARP overexpression could suppress the improvement. The cardioprotective role of SP1 inhibitor mithA was demonstrated here expanding the role of SP1 in MI development involving hypoxia-induced cardiac apoptosis. Moreover, PARP acted as a transcriptional coactivator in Nix transcription involving its interaction with SP1.
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Affiliation(s)
- Haihua Geng
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China
| | - Yamin Su
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China
| | - Rong Huang
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China
| | - Mengkang Fan
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China
| | - Xiaofei Li
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China
| | - Xiaochen Lu
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China
| | - Hongzhuan Sheng
- Department of Cardiology, Affiliated Hospital of Nantong University, No. 20 Xisi Rd, Nantong, 226001, Jiangsu, China.
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