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Micheu MM, Birsan MV, Szép R, Keresztesi Á, Nita IA. From air pollution to cardiovascular diseases: the emerging role of epigenetics. Mol Biol Rep 2020; 47:5559-5567. [DOI: 10.1007/s11033-020-05570-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 06/05/2020] [Indexed: 12/11/2022]
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Jan MI, Ali T, Ishtiaq A, Mushtaq I, Murtaza I. Prospective Advances in Non-coding RNAs Investigation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1229:385-426. [PMID: 32285426 DOI: 10.1007/978-981-15-1671-9_24] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Non-coding RNAs (ncRNAs) play significant roles in numerous physiological cellular processes and molecular alterations during pathological conditions including heart diseases, cancer, immunological disorders and neurological diseases. This chapter is focusing on the basis of ncRNA relation with their functions and prospective advances in non-coding RNAs particularly miRNAs investigation in the cardiovascular disease management.The field of ncRNAs therapeutics is a very fascinating and challenging too. Scientists have opportunity to develop more advanced therapeutics as well as diagnostic approaches for cardiovascular conditions. Advanced studies are critically needed to deepen the understanding of the molecular biology, mechanism and modulation of ncRNAs and chemical formulations for managing CVDs.
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Affiliation(s)
- Muhammad Ishtiaq Jan
- Department of Biochemistry, Signal Transduction Laboratory, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Tahir Ali
- Department of Biochemistry, Signal Transduction Laboratory, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ayesha Ishtiaq
- Department of Biochemistry, Signal Transduction Laboratory, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Iram Mushtaq
- Department of Biochemistry, Signal Transduction Laboratory, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Iram Murtaza
- Department of Biochemistry, Signal Transduction Laboratory, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
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Sindi HA, Russomanno G, Satta S, Abdul-Salam VB, Jo KB, Qazi-Chaudhry B, Ainscough AJ, Szulcek R, Jan Bogaard H, Morgan CC, Pullamsetti SS, Alzaydi MM, Rhodes CJ, Piva R, Eichstaedt CA, Grünig E, Wilkins MR, Wojciak-Stothard B. Therapeutic potential of KLF2-induced exosomal microRNAs in pulmonary hypertension. Nat Commun 2020; 11:1185. [PMID: 32132543 PMCID: PMC7055281 DOI: 10.1038/s41467-020-14966-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 02/10/2020] [Indexed: 02/06/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a severe disorder of lung vasculature that causes right heart failure. Homoeostatic effects of flow-activated transcription factor Krüppel-like factor 2 (KLF2) are compromised in PAH. Here, we show that KLF2-induced exosomal microRNAs, miR-181a-5p and miR-324-5p act together to attenuate pulmonary vascular remodelling and that their actions are mediated by Notch4 and ETS1 and other key regulators of vascular homoeostasis. Expressions of KLF2, miR-181a-5p and miR-324-5p are reduced, while levels of their target genes are elevated in pre-clinical PAH, idiopathic PAH and heritable PAH with missense p.H288Y KLF2 mutation. Therapeutic supplementation of miR-181a-5p and miR-324-5p reduces proliferative and angiogenic responses in patient-derived cells and attenuates disease progression in PAH mice. This study shows that reduced KLF2 signalling is a common feature of human PAH and highlights the potential therapeutic role of KLF2-regulated exosomal miRNAs in PAH and other diseases associated with vascular remodelling.
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Affiliation(s)
- Hebah A. Sindi
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK ,University of Jeddah, College of Science, Department of Biology, Jeddah, Saudi Arabia
| | - Giusy Russomanno
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Sandro Satta
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Vahitha B. Abdul-Salam
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Kyeong Beom Jo
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Basma Qazi-Chaudhry
- 0000 0001 2322 6764grid.13097.3cDepartment of Physics, King’s College London UK, London, UK
| | - Alexander J. Ainscough
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Robert Szulcek
- Amsterdam UMC, VU University Medical Center, Department of Pulmonary Diseases, Amsterdam Cardiovascular Sciences (ACS), Amsterdam, The Netherlands
| | - Harm Jan Bogaard
- Amsterdam UMC, VU University Medical Center, Department of Pulmonary Diseases, Amsterdam Cardiovascular Sciences (ACS), Amsterdam, The Netherlands
| | - Claire C. Morgan
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Soni S. Pullamsetti
- grid.452624.3Max Planck Institute for Heart and Lung Research, Department of Lung Development and Remodeling, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany ,0000 0001 2165 8627grid.8664.cDepartment of Internal MedicineUniversities of Giessen and Marburg Lung Center (UGMLC), Member of the DZL, Justus Liebig University, Giessen, Germany
| | - Mai M. Alzaydi
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK ,0000 0000 8808 6435grid.452562.2National Center for Biotechnology, King Abdulaziz City for Science and Technology (KACST), Riyadh, Saudi Arabia
| | - Christopher J. Rhodes
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Roberto Piva
- 0000 0001 2336 6580grid.7605.4Molecular Biotechnology Center, Department of Molecular Biotechnology and Health Sciences, University of Turin, Turin, Italy
| | - Christina A. Eichstaedt
- grid.452624.3Centre for Pulmonary Hypertension, Thoraxclinic, Institute for Human Genetics, University of Heidelberg, Translational Lung Research Center (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany ,0000 0001 2190 4373grid.7700.0Laboratory of Molecular Genetic Diagnostics, Institute of Human Genetics, Heidelberg University, Heidelberg, Germany
| | - Ekkehard Grünig
- grid.452624.3Centre for Pulmonary Hypertension, Thoraxclinic, Institute for Human Genetics, University of Heidelberg, Translational Lung Research Center (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
| | - Martin R. Wilkins
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
| | - Beata Wojciak-Stothard
- 0000 0001 2113 8111grid.7445.2National Heart and Lung Institute, Imperial College London, London, UK
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Circulatory miR-133b and miR-21 as Novel Biomarkers in Early Prediction and Diagnosis of Coronary Artery Disease. Genes (Basel) 2020; 11:genes11020164. [PMID: 32033332 PMCID: PMC7073535 DOI: 10.3390/genes11020164] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 12/17/2022] Open
Abstract
While coronary artery disease (CAD) has become a major threat worldwide, the timely biomarker-based early diagnosis of CAD remains a major unmet clinical challenge. We aimed towards assessing the level of circulatory microRNAs as candidates of novel biomarkers in patients with CAD. A total of 147 subjects were recruited which includes 78 subjects with angiographically proven CAD, 15 pre-atherosclerotic normal coronary artery (NCA) subjects and 54 healthy individuals. Quantitative real-time PCR assays were performed. MiR-133b was downregulated by 4.6 fold (p < 0.0001) whereas miR-21 was upregulated by ~2 fold (p < 0.0001) in plasma samples of CAD patients. Importantly, both the miRNAs showed association with disease severity as miR-133b was downregulated by 8.45 fold in acute coronary syndrome (ACS), 3.38 fold in Stable angina (SA) and 2.08 fold in NCA. MiR-21 was upregulated by 2.46 fold in ACS, 1.90 fold in SA and 1.12 fold in NCA. Moreover, miR-133b could significantly differentiate subjects with ST-elevation myocardial infarction (STEMI) from Non-STEMI. Area under the curve (AUC) for miR-133b was 0.80 with >75.6% sensitivity and specificity, AUC for miR-21 was 0.79 with >69.4% sensitivity and specificity. Our results suggest that miR-133b and miR-21 could be possible candidates of novel biomarkers in early prediction of CAD.
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Yang D, Yu J, Liu HB, Yan XQ, Hu J, Yu Y, Guo J, Yuan Y, Du ZM. The long non-coding RNA TUG1-miR-9a-5p axis contributes to ischemic injuries by promoting cardiomyocyte apoptosis via targeting KLF5. Cell Death Dis 2019; 10:908. [PMID: 31787746 PMCID: PMC6885510 DOI: 10.1038/s41419-019-2138-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 09/27/2019] [Accepted: 11/06/2019] [Indexed: 12/15/2022]
Abstract
Non-coding RNAs participate in many cardiac pathophysiological processes, including myocardial infarction (MI). Here we showed the interplay between long non-coding RNA taurine-upregulated gene 1 (lncR-TUG1), miR-9a-5p (miR-9) and Krüppel-like factor 5 (KLF5). LncR-TUG1 was upregulated in ischemic heart and in cultured cardiomyocytes exposed to H2O2. Knockdown of lncR-TUG1 markedly ameliorated impaired cardiac function of MI mice. Further study showed that lncR-TUG1 acted as a competitive endogenous RNA of miR-9, and silencing of lncR-TUG1 inhibited cardiomyocyte apoptosis by upregulating miR-9 expression. Furthermore, the miR-9 overexpression obviously prevented ischemia injury and significantly inhibited H2O2-induced cardiomyocyte apoptosis via inhibition of mitochondrial apoptotic pathway. KLF5, as a target gene of miR-9 by dual-luciferase reporter assay, was involved in the process of miR-9 in regulating cardiomyocyte apoptosis. Our data identified the KLF5 was downregulated by miR-9 overexpression and knockdown of KLF5 inhibited cardiomyocyte apoptosis induced by H2O2. MiR-9 exerts anti-cardiomyocyte apoptotic affects by targeting KLF5. Collectively, our data identify a novel function of lncR-TUG1/miR-9/KLF5 axis in regulating cardiomyocyte apoptosis that affects myocardial infarction progression.
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Affiliation(s)
- Di Yang
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Jie Yu
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Hui-Bin Liu
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Xiu-Qing Yan
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Juan Hu
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Yang Yu
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Jing Guo
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China
| | - Ye Yuan
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China.,Department of Clinical Pharmarcology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150086, China
| | - Zhi-Min Du
- Institute of Clinical Pharmacy, the Second Affiliated Hospital of Harbin Medical University (The University Key Laboratory of Drug Research, Heilongjiang Province), Harbin, 150086, China. .,Department of Clinical Pharmarcology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150086, China. .,State Key Laboratory of Quality Research in Chinese Medicines, Macau University of Science and Technology, Macau, PR China.
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Li X, Xue X, Sun Y, Chen L, Zhao T, Yang W, Chen Y, Zhang Z. MicroRNA-326-5p enhances therapeutic potential of endothelial progenitor cells for myocardial infarction. Stem Cell Res Ther 2019; 10:323. [PMID: 31730013 PMCID: PMC6858781 DOI: 10.1186/s13287-019-1413-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 08/28/2019] [Accepted: 09/09/2019] [Indexed: 12/14/2022] Open
Abstract
Background Our study sought to investigate the therapeutic effects and mechanisms of miR-326-5p-overexpressing endothelial progenitor cells (EPCs) on acute myocardial infarction (AMI). Methods Mouse EPCs were isolated, purified, and identified by flow cytometry and uptake of DiI-ac-LDL. The target gene of miR-326-5p was predicted using target prediction algorithms and verified by dual-luciferase reporter assay, RT-qPCR, and Western blot. After EPCs were transfected with the agomir or antagomir of miR-326-5p, tube formation assay and Matrigel plug angiogenesis assay were conducted in four groups (NC, miR-326-5p agomir, miR-326-5p antagomir, and miR-326-5p agomir+Wnt1 agonist). In addition, a mouse model of MI was established and treated with the injection of miR-326-5p-EPCs, miR-326-5p-EPCs+ Wnt1 agonist, EPCs-NC, or PBS/control into the peri-infarcted myocardium. Subsequently, cardiac function was monitored by echocardiography at 7 and 28 days postoperatively. Finally, the infarcted hearts were collected at 28 days, and the size of myocardial infarction was measured by Masson’s trichrome staining and the neovascularization in the peri-infarcted area was examined through immunofluorescence staining. Results Luciferase reporter assay indicated that Wnt1 was a direct target of miR-326-5p. Using RT-qPCR and Western blot analysis, we further demonstrated that the expression level of Wnt1 was negatively correlated with miR-326-5p expression in EPCs. Both in vitro study of tube formation assay and in vivo investigation of subcutaneous Matrigel plug assay revealed that the miR-326-5p agomir could significantly enhance the angiogenic capacity of EPCs, and this effect was partially inhibited by Wnt1 agonist. Meanwhile, miR-326-5p antagomir could obviously reduce the the angiogenic capacity of EPCs in vivo compared with that in the NC group. Moreover, the transplantation of miR-326-5p-overexpressing EPCs in the ischemic hearts of mice significantly enhanced the angiogenesis in the peri-infarcted zone and improved the cardiac function. However, the enhanced capacity of angiogenesis of miR-326-5p-overexpressing EPCs was remarkably neutralized by Wnt1 agonist, accompanied by the decreased improvement in cardiac function. Conclusion miR-326-5p significantly enhanced the angiogenic capacity of EPCs. Transplantation of miR-326-5p-overexpressing EPCs improved cardiac function for AMI therapy, which can be a novel strategy for enhancing therapeutic angiogenesis in ischemic heart diseases.
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Affiliation(s)
- Xiaoting Li
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China
| | - Xiang Xue
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China
| | - Yuejun Sun
- Department of Pathology, Affiliated Jiangyin Hospital of Southeast University Medical College, Jiangyin, 214400, Jiangsu, China
| | - Lei Chen
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China
| | - Ting Zhao
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China
| | - Wentao Yang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China
| | - Yongbing Chen
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China.
| | - Zhiwei Zhang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, No.1055, Sanxiang Road, Suzhou, 215004, China.
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He W, Zhu L, Huang Y, Zhang Y, Shen W, Fang L, Li J, Wang Z, Xie Q. The relationship of MicroRNA-21 and plaque stability in acute coronary syndrome. Medicine (Baltimore) 2019; 98:e18049. [PMID: 31764830 PMCID: PMC6882643 DOI: 10.1097/md.0000000000018049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Acute coronary syndrome (ACS) leads to clinical symptoms such as chest pain, dyspnea, and arrhythmia. The occurrence of ACS is mainly related to the vulnerable plaques in the coronary arteries. MicroRNA-21 (miR-21) is widely expressed in cardiovascular disease and considered as a marker of myocardial infarction, but its role in vulnerable atherosclerotic plaque of ACS is poorly studied. The cases of ACS and control group were selected in 2 years. Our results revealed that miR-21 was highly positively correlated with the maximum lipid core area, the number of diseased vessels, the number of macrophages, the number of vulnerable plaques, and negatively correlated with the thickness of fiber caps. In the high expression group, the number of coronary artery lesions, the number of vulnerable plaques, the core area of lipid pools and the number of macrophages were significantly higher than those in the low expression group and the middle expression group. But the high expression group of the thickness of the fiber cap was significantly lower than that of the low expression group and the medium expression group. These studies show that miR-21 is an important factor leading to vulnerable plaque instability in ACS, and it can be a predictor of acute adverse events in coronary heart disease.
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Affiliation(s)
- Wangwei He
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Liyuan Zhu
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Yu Huang
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Yinfen Zhang
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Weimin Shen
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Lihuan Fang
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Jun Li
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
| | - Zhuo Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Cardiovascular Research Institute of Wuhan University, Wuhan, Hubei Province, China
| | - Qiang Xie
- Department of Cardiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian Province
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Huang W, Zhang Q, Qi H, Shi P, Song C, Liu Y, Sun H. Deletion of Neuropeptide Y Attenuates Cardiac Dysfunction and Apoptosis During Acute Myocardial Infarction. Front Pharmacol 2019; 10:1268. [PMID: 31708788 PMCID: PMC6821782 DOI: 10.3389/fphar.2019.01268] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 10/01/2019] [Indexed: 01/06/2023] Open
Abstract
Increasing neuropeptide Y (NPY) has been shown to be a risk factor for cardiovascular diseases. However, its role and mechanism in myocardial infarction (MI) have not yet been fully understood. H9c2 cells and neonatal rat ventricular myocytes with loss of function of NPY and rats with global knockout were used in this study. MI model of rats was induced by the ligation of left coronary artery, and the extent of MI was analyzed through echocardiographic, pathological, and molecular analyses. Our data demonstrated that NPY expression was significantly increased in MI rats and hypoxia/hydrogen peroxide (H2O2)-treated cardiomyocytes. At the same time, NPY-knockout rats exhibited a remarkable decrease in infarct size, serum lactate dehydrogenase activity, cardiomyocyte apoptosis, and caspase-3 expression and activity and a strong improvement in heart contractile function compared with MI rats. Meanwhile, NPY small interfering RNA (siRNA) inhibited the cell apoptosis in H2O2-treated H9c2 cells and hypoxia-treated neonatal rat ventricular myocytes. NPY deletion increased miR-499 expression and decreased FoxO4 expression in MI in vivo and in vitro. Moreover, NPY type 1 receptor antagonist BIBO3304 can reverse miR-499 decrease and FoxO4 increase in H2O2-induced cardiomyocytes. NPY siRNA inhibited cell apoptosis in H2O2-treated H9c2 cells that were reversed by miR-499 inhibitor. Additionally, FoxO4 was validated as the direct target of miR-499. Moreover, BIBO3304 and FoxO4 siRNA significantly increased the cell activity, inhibited the cell apoptosis, and decreased caspase-3 expression and activity in H2O2-treated cardiomyocytes that NPY presented the opposite effect. Collectively, deletion of NPY reduced myocardial ischemia, improved cardiac function, and inhibited cardiomyocyte apoptosis by NPY type 1 receptor–miR-499–FoxO4 axis, which provides a new treatment for MI.
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Affiliation(s)
- Wei Huang
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
| | - Qianhui Zhang
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
| | - Hanping Qi
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
| | - Pilong Shi
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
| | - Chao Song
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
| | - Yongsheng Liu
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
| | - Hongli Sun
- Department of Pharmacology, Harbin Medical University-Daqing, Daqing, China
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Oh JG, Watanabe S, Lee A, Gorski PA, Lee P, Jeong D, Liang L, Liang Y, Baccarini A, Sahoo S, Brown BD, Hajjar RJ, Kho C. miR-146a Suppresses SUMO1 Expression and Induces Cardiac Dysfunction in Maladaptive Hypertrophy. Circ Res 2019; 123:673-685. [PMID: 30355233 DOI: 10.1161/circresaha.118.312751] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
RATIONALE Abnormal SUMOylation has emerged as a characteristic of heart failure (HF) pathology. Previously, we found reduced SUMO1 (small ubiquitin-like modifier 1) expression and SERCA2a (sarcoplasmic reticulum Ca2+-ATPase) SUMOylation in human and animal HF models. SUMO1 gene delivery or small molecule activation of SUMOylation restored SERCA2a SUMOylation and cardiac function in HF models. Despite the critical role of SUMO1 in HF, the regulatory mechanisms underlying SUMO1 expression are largely unknown. OBJECTIVE To examine miR-146a-mediated SUMO1 regulation and its consequent effects on cardiac morphology and function. METHODS AND RESULTS In this study, miR-146a was identified as a SUMO1-targeting microRNA in the heart. A strong correlation was observed between miR-146a and SUMO1 expression in failing mouse and human hearts. miR-146a was manipulated in cardiomyocytes through AAV9 (adeno-associated virus serotype 9)-mediated gene delivery, and cardiac morphology and function were analyzed by echocardiography and hemodynamics. Overexpression of miR-146a reduced SUMO1 expression, SERCA2a SUMOylation, and cardiac contractility in vitro and in vivo. The effects of miR-146a inhibition on HF pathophysiology were examined by transducing a tough decoy of miR-146a into mice subjected to transverse aortic constriction. miR-146a inhibition improved cardiac contractile function and normalized SUMO1 expression. The regulatory mechanisms of miR-146a upregulation were elucidated by examining the major miR-146a-producing cell types and transfer mechanisms. Notably, transdifferentiation of fibroblasts triggered miR-146a overexpression and secretion through extracellular vesicles, and the extracellular vesicle-associated miR-146a transfer was identified as the causative mechanism of miR-146a upregulation in failing cardiomyocytes. Finally, extracellular vesicles isolated from failing hearts were shown to contain high levels of miR-146a and exerted negative effects on the SUMO1/SERCA2a signaling axis and hence cardiomyocyte contractility. CONCLUSIONS Taken together, our results show that miR-146a is a novel regulator of the SUMOylation machinery in the heart, which can be targeted for therapeutic intervention.
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Affiliation(s)
- Jae Gyun Oh
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Shin Watanabe
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Ahyoung Lee
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Przemek A Gorski
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Philyoung Lee
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Dongtak Jeong
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Lifan Liang
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Yaxuan Liang
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Alessia Baccarini
- Department of Genetics and Genomic Sciences (A.B., B.D.B.), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York
| | - Susmita Sahoo
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Brian D Brown
- Department of Genetics and Genomic Sciences (A.B., B.D.B.), Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, New York
| | - Roger J Hajjar
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
| | - Changwon Kho
- From the Department of Cardiology, Cardiovascular Research Center (J.G.O., S.W., A.L., P.A.G., P.L., D.J., L.L., Y.L., S.S., R.J.H., C.K.)
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Waters R, Subham S, Pacelli S, Modaresi S, Chakravarti AR, Paul A. Development of MicroRNA-146a-Enriched Stem Cell Secretome for Wound-Healing Applications. Mol Pharm 2019; 16:4302-4312. [PMID: 31398053 PMCID: PMC7260687 DOI: 10.1021/acs.molpharmaceut.9b00639] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Secretome-based therapies have the potential to become the next generation of viable therapeutic wound repair treatments. However, precise strategies aimed to refine and control the secretome composition are necessary to enhance its therapeutic efficacy and facilitate clinical translation. In this study, we aim to accomplish this by transfecting human adipose-derived stem cells (hASCs) with microRNA-146a, which is a potent regulator of angiogenesis and inflammation. The secretome composition obtained from the transfected hASCs (secretome146a) was characterized and compared to nontransfected hASCs secretome to evaluate changes in angiogenic and anti-inflammatory growth factor, cytokine, and miRNA content. In vitro proliferation, migration, and tubular morphogenesis assays using human umbilical vein endothelial cells (HUVECs) were completed to monitor the proangiogenic efficacy of the secretome146a. Finally, the anti-inflammatory efficacy of the secretome146a was assessed using HUVECs that were activated to an inflammatory state by IL-1β. The resulting HUVEC gene expression and protein activity of key inflammatory mediators were evaluated before and after secretome treatment. Overall, the secretome146a contained a greater array and concentration of therapeutic paracrine molecules, which translated into a superior angiogenic and anti-inflammatory efficacy. Therefore, this represents a promising strategy to produce therapeutic secretome for the promotion of wound repair processes.
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Affiliation(s)
- Renae Waters
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, School of Engineering, University of Kansas, Lawrence, Kansas 66045, United States
| | - Siddharth Subham
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, School of Engineering, University of Kansas, Lawrence, Kansas 66045, United States
| | - Settimio Pacelli
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, School of Engineering, University of Kansas, Lawrence, Kansas 66045, United States
| | - Saman Modaresi
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, School of Engineering, University of Kansas, Lawrence, Kansas 66045, United States
| | - Aparna R. Chakravarti
- BioIntel Research Laboratory, Department of Chemical and Petroleum Engineering, School of Engineering, University of Kansas, Lawrence, Kansas 66045, United States
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Pan JA, Tang Y, Yu JY, Zhang H, Zhang JF, Wang CQ, Gu J. miR-146a attenuates apoptosis and modulates autophagy by targeting TAF9b/P53 pathway in doxorubicin-induced cardiotoxicity. Cell Death Dis 2019; 10:668. [PMID: 31511497 PMCID: PMC6739392 DOI: 10.1038/s41419-019-1901-x] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 07/30/2019] [Accepted: 08/08/2019] [Indexed: 12/03/2022]
Abstract
Clinical therapy of doxorubicin (DOX) is limited due to its cardiotoxicity. miR-146a was proved as a protective factor in many cardiovascular diseases, but its role in chronic DOX-induced cardiotoxicity is unclear. The objective of this study was to demonstrate the role of miR-146a in low-dose long-term DOX-induced cardiotoxicity. Experiments have shown that DOX intervention caused a dose-dependent and time-dependent cardiotoxicity involving the increased of apoptosis and dysregulation of autophagy. The cardiotoxicity was inhibited by overexpressed miR-146a and was more severe when miR-146a was downgraded. Further research proved that miR-146a targeted TATA-binding protein (TBP) associated factor 9b (TAF9b), a coactivator and stabilizer of P53, indirectly destroyed the stability of P53, thereby inhibiting apoptosis and improving autophagy in cardiomyocytes. Besides, miR-146a knockout mice were used for in vivo validation. In the DOX-induced model, miR-146a deficiency made it worse whether in cardiac function, cardiomyocyte apoptosis or basal level of autophagy, than wild-type. In conclusion, miR-146a partially reversed the DOX-induced cardiotoxicity by targeting TAF9b/P53 pathway to attenuate apoptosis and adjust autophagy levels.
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Affiliation(s)
- Jian-An Pan
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Yong Tang
- Department of Hematology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Jian-Ying Yu
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Hui Zhang
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Jun-Feng Zhang
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Chang-Qian Wang
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Jun Gu
- Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China.
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miR-146a targeted to splenic macrophages prevents sepsis-induced multiple organ injury. J Transl Med 2019; 99:1130-1142. [PMID: 30700845 DOI: 10.1038/s41374-019-0190-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 11/28/2018] [Accepted: 12/13/2018] [Indexed: 12/26/2022] Open
Abstract
Development of a novel agent against life-threatening sepsis requires the in-depth understanding of the relevant pathophysiology and therapeutic targets. Given the function of microRNAs (miRNAs) as potent oligonucleotide therapeutics, here we investigated the pathophysiological role of exogenously applied miRNA in sepsis-induced multiple organ injury. In vitro, miR-16, miR-126, miR-146a, and miR-200b suppressed the production of pro-inflammatory cytokines in RAW264.7 macrophage cells after lipopolysaccharide (LPS) stimulation. Of these, miR-146a displayed the most highly suppressive effect, wherein the transcriptional activity of nuclear factor kappa B (NF-κB) was decreased via targeting of interleukin 1 receptor-associated kinase 1 and tumor necrosis receptor-associated factor 6. Sepsis was induced in mice via cecal ligation and puncture (CLP) and an intravenous injection of a complex of miR-146a-expressing plasmid and polyethyleneimine. Treatment with this complex significantly decreased the level of serum inflammatory cytokines, attenuated organ injury including kidney injury, and led to increased survival from polymicrobial sepsis induced by CLP. miR-146a-expressing plasmid was abundantly distributed in splenic macrophages, but not in renal parenchymal cells. CLP mice treated with miR-146a displayed significantly decreased NF-κB activation and splenocyte apoptosis. Splenectomy diminished the anti-inflammatory effects of miR-146a. The collective results support the conclusion that the induction of miR-146a expression in splenic macrophages prevents excessive inflammation and sepsis-induced multiple organ injury. This study establishes a novel and critical pathophysiological role for splenic macrophage interference in sepsis-related organ injury.
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Bukauskas T, Mickus R, Cereskevicius D, Macas A. Value of Serum miR-23a, miR-30d, and miR-146a Biomarkers in ST-Elevation Myocardial Infarction. Med Sci Monit 2019; 25:3925-3932. [PMID: 31130720 PMCID: PMC6556071 DOI: 10.12659/msm.913743] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/11/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The aim of this study was to analyze the relative expression level of miR-30d-5p, miR-23a-3p, and miR-146a-5p, and to comprehensively assess the diagnostic and predictive possibilities of these miRNAs. Their expression changes have not yet been sufficiently investigated during acute myocardial infarction. Therefore, it is important to comprehensively assess the diagnostic and predictive possibilities of these micro-ribonucleic acids (miRNAs). MATERIAL AND METHODS Random patients with ST‑elevated myocardial infarction (STEMI) were enrolled into the study group. The control group was comprised of patients with no inflammation or ischemic heart disease who were hospitalized for minor elective surgery. The relative expression level for each miRNA was determined by reverse transcription quantitative polymerase chain reaction (RT-qPCR)-analysis. RESULTS There were 88 participants enrolled into the study: 62 patients were diagnosed with STEMI and there were 26 healthy controls. Expressions of miR-30d-5p, miR-146a-5p, and miR-23a-3p were respectively 1.581-fold, 4.048-fold, and 4.857-fold lower in patients with STEMI compared to the control group patients (all P values were <0.001). Downregulation of miR-23a-3p was significantly negatively correlated with risk scores of GRACE (Global Registry of Acute Coronary Events) and APACHE II (Acute Physiology and Chronic Health Evaluation II). MiR-23a-3p was a fair predictor for STEMI: area under the curve (AUC)=0.806. Cox regression analysis revealed that expression levels of analyzed miRNAs were not significantly associated with negative endpoints at 1 month after the onset of STEMI. CONCLUSIONS All investigated miRNAs were differentially expressed when comparing patients with STEMI and control group individuals. The evaluation of miR-23a-3p expression levels in serum could be useful to assess the severity of STEMI and as a potential diagnostic biomarker of this condition. In addition, miR-23a-3p may provide limited short-term prognostic value for STEMI patients.
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Affiliation(s)
- Tomas Bukauskas
- Department of Anesthesiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Rytis Mickus
- Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Darius Cereskevicius
- Department of Genetics and Molecular Medicine, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Andrius Macas
- Department of Anesthesiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
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Xue S, Zhu W, Liu D, Su Z, Zhang L, Chang Q, Li P. Circulating miR-26a-1, miR-146a and miR-199a-1 are potential candidate biomarkers for acute myocardial infarction. Mol Med 2019; 25:18. [PMID: 31092195 PMCID: PMC6521554 DOI: 10.1186/s10020-019-0086-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 04/22/2019] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Acute myocardial infarction (AMI) was considered to be one of the major causes of morbidity and mortality worldwide. In order to manage the acute myocardial infarction outbreaks, accurate biomarkers for risk prediction are needed. Circulating microRNAs (miRNAs) may act as diagnostic and prognostic biomarkers for cardiovascular events. METHODS This study aimed to determine the possibility of circulating miRNAs used as biomarkers for AMI and their dynamic expression levels before and after percutaneous coronary intervention (PCI) in patients. Circulating miR-26a-1, miR-27a, miR-30d, miR-146a, miR-199a-1 and miR-423 were selected and validated in 31 AMI patients and 27 matched controls by quantitative real-time PCR (qPCR). RESULTS The expression levels of plasma miR-26a-1, miR-146a and miR-199a-1 were significantly increased in AMI patients. Receiver operating characteristic (ROC) analysis indicated that miR-26a-1, miR-146a and miR-199a-1 showed considerable diagnostic efficiency for predicting AMI. Furthermore, we demonstrated that the combination of miR-26a-1, miR-146a and miR-199a-1 facilitated AMI diagnosis. CONCLUSIONS Our findings suggest that circulating miR-26a-1, miR-146a and miR-199a-1 have the potential to be used as biomarkers for AMI diagnosis.
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Affiliation(s)
- Sheng Xue
- Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, 266021 China
| | - Wenjie Zhu
- Affiliated Hospital of Qingdao University. Qingdao University, Qingdao, 266003 China
| | - Dacheng Liu
- Affiliated Hospital of Qingdao University. Qingdao University, Qingdao, 266003 China
| | - Zhe Su
- Affiliated Hospital of Qingdao University. Qingdao University, Qingdao, 266003 China
| | - Liwei Zhang
- Affiliated Hospital of Qingdao University. Qingdao University, Qingdao, 266003 China
| | - Qing Chang
- Affiliated Hospital of Qingdao University. Qingdao University, Qingdao, 266003 China
| | - Peifeng Li
- Institute for Translational Medicine, College of Medicine, Qingdao University, Qingdao, 266021 China
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Song Y, Zhang C, Zhang J, Jiao Z, Dong N, Wang G, Wang Z, Wang L. Localized injection of miRNA-21-enriched extracellular vesicles effectively restores cardiac function after myocardial infarction. Am J Cancer Res 2019; 9:2346-2360. [PMID: 31149048 PMCID: PMC6531307 DOI: 10.7150/thno.29945] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 02/14/2019] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction (MI), a main cause of heart failure, leads to irreversible cardiomyocytes loss and cardiac function impairment. Current clinical treatments for MI are largely ineffective as they mostly aim to alleviate symptoms rather than repairing the injured myocardium. Thus, development of more effective therapies is compelling. This study aims to investigate whether the extracellular vesicles (EVs) carrying specific anti-apoptotic miRNA can be efficiently internalized into myocardium to achieve desired therapeutic outcomes. Methods: EVs were isolated from HEK293T cells overexpressing miRNA-21 (miR21-EVs) and identified. The RNase resistant rate of miR21-EVs was calculated by real-time PCR and compared with liposomes and polyethylenimine (PEI). Confocal laser scanning microscopy was used for visualizing the cellular internalization of miR21-EVs in primary cultured mouse neonatal cardiomyocytes (CMs), H9c2 rat cardiomyoblasts, and human umbilical vein endothelial cells (HUVECs). The effect of miR21-EVs on the expression of PDCD4, a pro-apoptotic protein that plays an important role in regulating myocardial apoptosis, was also evaluated in these three cell types by real-time PCR and Western blot analysis. In vivo, miR21-EVs was directly injected into the infarct zone following ligation of the left anterior descending of coronary artery in mice. The miR21-EVs distribution and blood vessel (capillary and arteriole) density were evaluated by immunofluorescence staining. Fluorescence in situ hybridization of miRNA-21 was also carried out to confirm the miR21-EVs distribution in vitro and in vivo. The protein level of PDCD4 in myocardium was assessed by immunohistochemical staining. The anti-apoptotic effect of miR21-EVs in cardiomyocytes and endothelial cells were measured using TUNEL staining. Four weeks after injection, the cardiac histological and functional recovery was evaluated by histochemistry staining and echocardiography, respectively. Results: In contrast to liposomes and PEI, EVs significantly inhibited miRNA-21 degradation. MiR21-EVs efficiently delivered miRNA-21 into cardiomyocytes and endothelial cells within 4 hours. Exogenous miRNA-21 in turn significantly reduced PDCD4 expression and attenuated cell apoptosis in vitro. Consistently and importantly, in a preclinical MI animal model, miRNA-21-loaded EVs effectively sent miRNA-21 into cardiomyocytes and endothelial cells, drastically inhibited cell apoptosis and led to significant cardiac function improvement. Conclusion: Our results suggest the cell-derived, genetically engineered EVs may be used therapeutically for the delivery of miRNAs for the rescue of MI and may benefit patients in the future.
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Cai Y, Li Y. Upregulation of miR-29b-3p protects cardiomyocytes from hypoxia-induced apoptosis by targeting TRAF5. Cell Mol Biol Lett 2019; 24:27. [PMID: 31011336 PMCID: PMC6460541 DOI: 10.1186/s11658-019-0151-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 03/29/2019] [Indexed: 12/18/2022] Open
Abstract
Background MicroRNAs (miRNAs) are pivotal regulators in regulating hypoxia-induced cardiomyocyte injury. This study was designed to evaluate the effects of miR-29b-3p on hypoxic cardiomyocytes. Methods Human AC16 cells were cultured under normoxic or hypoxic conditions. Hypoxic injury was confirmed based on alterations in cell viability using CCK-8 assay and apoptosis using flow cytometry and Hoechst staining. Bioinformatics analyses and the dual-luciferase reporter assay were performed to predict and validate the target gene of miR-29b-3p. Results We found that hypoxia suppressed cell viability and promoted apoptosis. TNF receptor-associated factor 5 (TRAF5) was a potential target gene of miR-29b-3p. Our in vitro experiments revealed that miR-29b-3p overexpression or TRAF6 knockdown significantly protected cardiomyocytes against hypoxia-induced injury. Moreover, knockdown of TRAF5 knockdown potentiated the protective effects of miR-29b-3p against hypoxia-induced cell injury. Conclusion These findings suggest that upregulation of miR-29b-3p could protect cardiomyocytes against hypoxia-induced injury through downregulation of TRAF5. Targeting TRAF5 with miR-29b-3p might be a potential therapeutic method for AMI.
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Affiliation(s)
- Yuhua Cai
- Department of Cardiovasology, Jingzhou First Municipal Hospital, Jingzhou, Hubei Province China
| | - Yunpeng Li
- 2Department of Cardiovasology, Dongfeng Hospital, Hubei University of Medicine, No. 16 Daling Road, Shiyan, 442008 Hubei Province China
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Du J, Hang P, Pan Y, Feng B, Zheng Y, Chen T, Zhao L, Du Z. Inhibition of miR-23a attenuates doxorubicin-induced mitochondria-dependent cardiomyocyte apoptosis by targeting the PGC-1α/Drp1 pathway. Toxicol Appl Pharmacol 2019; 369:73-81. [DOI: 10.1016/j.taap.2019.02.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/27/2019] [Accepted: 02/28/2019] [Indexed: 01/08/2023]
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Tseng AM, Mahnke AH, Wells AB, Salem NA, Allan AM, Roberts VH, Newman N, Walter NA, Kroenke CD, Grant KA, Akison LK, Moritz KM, Chambers CD, Miranda RC. Maternal circulating miRNAs that predict infant FASD outcomes influence placental maturation. Life Sci Alliance 2019; 2:2/2/e201800252. [PMID: 30833415 PMCID: PMC6399548 DOI: 10.26508/lsa.201800252] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 02/06/2023] Open
Abstract
Maternal gestational circulating microRNAs, predictive of adverse infant outcomes, including growth deficits, following prenatal alcohol exposure, contribute to placental pathology by impairing the EMT pathway in trophoblasts. Prenatal alcohol exposure (PAE), like other pregnancy complications, can result in placental insufficiency and fetal growth restriction, although the linking causal mechanisms are unclear. We previously identified 11 gestationally elevated maternal circulating miRNAs (HEamiRNAs) that predicted infant growth deficits following PAE. Here, we investigated whether these HEamiRNAs contribute to the pathology of PAE, by inhibiting trophoblast epithelial–mesenchymal transition (EMT), a pathway critical for placental development. We now report for the first time that PAE inhibits expression of placental pro-EMT pathway members in both rodents and primates, and that HEamiRNAs collectively, but not individually, mediate placental EMT inhibition. HEamiRNAs collectively, but not individually, also inhibited cell proliferation and the EMT pathway in cultured trophoblasts, while inducing cell stress, and following trophoblast syncytialization, aberrant endocrine maturation. Moreover, a single intravascular administration of the pooled murine-expressed HEamiRNAs, to pregnant mice, decreased placental and fetal growth and inhibited the expression of pro-EMT transcripts in the placenta. Our data suggest that HEamiRNAs collectively interfere with placental development, contributing to the pathology of PAE, and perhaps also, to other causes of fetal growth restriction.
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Affiliation(s)
- Alexander M Tseng
- Department of Neuroscience and Experimental Therapeutics, Texas A&M University Health Science Center, Bryan, TX, USA
| | - Amanda H Mahnke
- Department of Neuroscience and Experimental Therapeutics, Texas A&M University Health Science Center, Bryan, TX, USA
| | - Alan B Wells
- Clinical and Translational Research Institute, University of California San Diego, San Diego, CA, USA.,Department of Pediatrics, University of California San Diego, San Diego, CA, USA
| | - Nihal A Salem
- Department of Neuroscience and Experimental Therapeutics, Texas A&M University Health Science Center, Bryan, TX, USA
| | - Andrea M Allan
- Department of Neurosciences, University of New Mexico, Albuquerque, NM, USA
| | - Victoria Hj Roberts
- Division of Reproductive and Developmental Sciences, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Natali Newman
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Nicole Ar Walter
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Christopher D Kroenke
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Kathleen A Grant
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Lisa K Akison
- Child Health Research Centre and School of Biomedical Sciences, The University of Queensland, Brisbane, Australia
| | - Karen M Moritz
- Child Health Research Centre and School of Biomedical Sciences, The University of Queensland, Brisbane, Australia
| | - Christina D Chambers
- Clinical and Translational Research Institute, University of California San Diego, San Diego, CA, USA .,Department of Pediatrics, University of California San Diego, San Diego, CA, USA
| | - Rajesh C Miranda
- Department of Neuroscience and Experimental Therapeutics, Texas A&M University Health Science Center, Bryan, TX, USA
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Wang R, Xu J, Xu J, Zhu W, Qiu T, Li J, Zhang M, Wang Q, Xu T, Guo R, Lu K, Yin Y, Gu Y, Zhu L, Huang P, Liu P, Liu L, De W, Shu Y. MiR-326/Sp1/KLF3: A novel regulatory axis in lung cancer progression. Cell Prolif 2019; 52:e12551. [PMID: 30485570 PMCID: PMC6495967 DOI: 10.1111/cpr.12551] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 09/27/2018] [Accepted: 10/17/2018] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVES To investigate the function and regulatory mechanism of Krüppel-like factor 3 (KLF3) in lung cancer. MATERIALS AND METHODS KLF3 expression was analysed by qRT-PCR and Western blot assays. The proliferation, migration, invasion, cycle and apoptosis were measured by CCK-8 and EdU, wound-healing and Transwell, and flow cytometry assays. The tumour growth was detected by nude mouse tumorigenesis assay. In addition, the interaction between KLF3 and Sp1 was accessed by luciferase reporter, EMSA and ChIP assay. JAK2, STAT3, PI3K and p-AKT levels were evaluated by Western blot and IHC assays. RESULTS The results indicated that KLF3 expression was elevated in lung cancer tissues. Knockdown of KLF3 inhibited lung cancer cell proliferation, migration and invasion, and induced cell cycle arrest and apoptosis. In addition, the downregulation of KLF3 suppressed tumour growth in vivo. KLF3 was transcriptionally activated by Sp1. miR-326 could bind to 3'UTR of Sp1 but not KLF3 and decreased the accumulation of Sp1, which further indirectly reduced KLF3 expression and inactivated JAK2/STAT3 and PI3K/AKT signaling pathways in vitro and in vivo. CONCLUSIONS Our data demonstrate that miR-326/Sp1/KLF3 regulatory axis is involved in the development of lung cancer, which hints the potential target for the further therapeutic strategy against lung cancer.
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Affiliation(s)
- Rong Wang
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Jiali Xu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Jing Xu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Wei Zhu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Tianzhu Qiu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Jun Li
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Meiling Zhang
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Qianqian Wang
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Tongpeng Xu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Renhua Guo
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Kaihua Lu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Yongmei Yin
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Yanhong Gu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Lingjun Zhu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Puwen Huang
- Department of OncologyLiyang people's Hospital of Jiangsu ProvinceLiyangChina
| | - Ping Liu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Lianke Liu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
| | - Wei De
- Department of Biochemistry and Molecular BiologyNanjing Medical UniversityNanjingChina
| | - Yongqian Shu
- Department of Oncologythe First Affiliated Hospital of Nanjing Medical University, Jiangsu Province HospitalNanjingChina
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LncRNA GAS8-AS1 suppresses papillary thyroid carcinoma cell growth through the miR-135b-5p/CCND2 axis. Biosci Rep 2019; 39:BSR20181440. [PMID: 30429236 PMCID: PMC6328895 DOI: 10.1042/bsr20181440] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 10/16/2018] [Accepted: 11/02/2018] [Indexed: 12/16/2022] Open
Abstract
The aim of the present study was to investigate the potential role of GAS8 antisense RNA 1 (GAS8-AS1) in papillary thyroid carcinoma (PTC). PcDNA3.1-GAS8-AS1 and si-GAS8-AS1, miR-135b-5p mimic and si-CCND2 were transfected into PTC cells. Cell proliferation was evaluated by Cell Counting Kit-8 (CCK-8). QRT-PCR was used to determine expressions of GAS8-AS1, miR-135b-5p, and CCND2, and Western blot were detected protein level of CCND2. The miRNA target gene prediction site TargetScan was used to predict potential targets of GAS8-AS1 and miR-135b-5p. Cell cycle progression was analyzed by flow cytometry. We found that GAS8-AS1 was down-regulated in PTC cell lines and inhibited proliferation and cycle of PTC cell. GAS8-AS1 directly targets miR-135b-5p, and GAS8-AS1 could regulate a downstream target of miR-135b-5p, Cyclin G2 (CCNG2), in an miR-135b-5p-mediated manner. In addition, we also proved that overexpressed GAS8-AS1 inhibited tumor formation in vivo. GAS8-AS1 suppresses PTC cell growth through the miR-135b-5p/CCND2 axis.
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Simultaneous Suppression of Multiple Programmed Cell Death Pathways by miRNA-105 in Cardiac Ischemic Injury. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 14:438-449. [PMID: 30743213 PMCID: PMC6369328 DOI: 10.1016/j.omtn.2018.12.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 12/27/2018] [Accepted: 12/28/2018] [Indexed: 12/13/2022]
Abstract
Recent studies have shown that several upstream signaling elements of apoptosis and necroptosis are closely associated with acute injury in the heart. In our study, we observed that miR-105 was notably dysregulated in rat hearts with myocardial infarction (MI). Thus, the purpose of this study was to test the hypothesis that miR-105 participates in the regulation of RIP3/p-MLKL- and BNIP3-dependent necroptosis/apoptosis in H9c2 cells and MI rat hearts. Our results show that the RIP3/p-MLKL necroptotic pathway and BNIP3-dependent apoptosis signaling are enhanced in H9c2 cells under hypoxic conditions, whereas, compared with these pathways in the controls, those in miR-105-treated H9c2 cells are suppressed. Mechanistically, we identified miR-105 as the miRNA directly suppressing the expression of RIP3 and BNIP3, two important mediators involved in cell necroptosis and apoptosis. Furthermore, MI rat hearts injected with miR-105 had decreased infarct sizes, indicating that miR-105 is among three miRNAs that function simultaneously to suppress necroptotic/apoptotic cell death pathways and to inhibit MI-induced cardiomyocyte cell death at multiple levels. Taken together, miR-105 may constitute a new therapeutic strategy for cardioprotection in ischemic heart disease.
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Liu Z, Wang H, Hou G, Cao H, Zhao Y, Yang B. Notoginsenoside R1 protects oxygen and glucose deprivation‐induced injury by upregulation of miR‐21 in cardiomyocytes. J Cell Biochem 2018; 120:9181-9192. [PMID: 30552708 DOI: 10.1002/jcb.28194] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 11/12/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Zengjia Liu
- Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University Jining Shandong China
- Forensic Science Center of Jining Medical University Jining Shandong China
| | - Haiyang Wang
- Department of Cardiology Qingdao Municipal Hospital Qingdao Shandong China
| | - Guoliang Hou
- Department of Cardiovascular Medicine Tengzhou Central People's Hospital Tengzhou Shandong China
| | - Honglei Cao
- Department of Cardiology Jining No. 1 People's Hospital Jining Shandong China
| | - Yan Zhao
- Department of Pain Treatment Jining No. 1 People's Hospital Jining Shandong China
| | - Baofa Yang
- Department of Cardiology Jining No. 1 People's Hospital Jining Shandong China
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MicroRNA-132, Delivered by Mesenchymal Stem Cell-Derived Exosomes, Promote Angiogenesis in Myocardial Infarction. Stem Cells Int 2018; 2018:3290372. [PMID: 30271437 PMCID: PMC6151206 DOI: 10.1155/2018/3290372] [Citation(s) in RCA: 164] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/11/2018] [Indexed: 12/21/2022] Open
Abstract
Background To cure ischemic diseases, angiogenesis needs to be improved by various strategies in ischemic area. Considering that microRNA-132 (miR-132) regulates endothelial cell behavior during angiogenesis and the safe and efficacious delivery of microRNAs in vivo is rarely achieved, an ideal vehicle for miR-132 delivery could bring the promise for ischemic diseases. As a natural carrier of biological molecules, exosomes are more and more developed as an ideal vehicle for miRNA transfer. Meanwhile, mesenchymal stem cells could release large amounts of exosomes. Thus, this study aimed to investigate whether MSC-derived exosomes can be used for miR-132 delivery in the treatment of myocardial ischemia. Methods MSC-derived exosomes were electroporated with miR-132 mimics and inhibitors. After electroporation, miR-132 exosomes were labelled with DiI and added to HUVECs. Internalization of DiI-labelled exosomes was examined by fluorescent microscopy. Expression levels of miR-132 in exosomes and HUVECs were quantified by real-time PCR. The mRNA levels of miR-132 target gene RASA1 in HUVECs were quantified by real-time PCR. Luciferase reporter assay was performed to examine the targeting relationship between miR-132 and RASA1. The effects of miR-132 exosomes on the angiogenic ability of endothelial cells were evaluated by tube formation assay. Matrigel plug assay and myocardial infarction model were used to determine whether miR-132 exosomes can promote angiogenesis in vivo. Results miR-132 mimics were effectively electroporated and highly detected in MSC-derived exosomes. The expression level of miR-132 was high in HUVECs preincubated with miR-132 mimic-electroporated exosomes and low in HUVECs preincubated with miR-132 inhibitor-electroporated exosomes. The expression level of RASA1, miR-132 target gene, was reversely correlated with miR-132 expression in HUVECs pretreated with exosomes. Luciferase reporter assay further confirmed that RASA1 was a direct target of miR-132. Exosomes loaded with miR-132, as a vehicle for miRNA transfer, significantly increased tube formation of endothelial cells. Moreover, subcutaneous injection of HUVECs pretreated with miR-132 exosomes in nude mice significantly increased their angiogenesis capacity in vivo. In addition, transplantation of miR-132 exosomes in the ischemic hearts of mice markedly enhanced the neovascularization in the peri-infarct zone and preserved heart functions. Conclusions The findings suggest that the export of miR-132 via MSC-derived exosomes represents a novel strategy to enhance angiogenesis in ischemic diseases.
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Wang J, Duan L, Gao Y, Zhou S, Liu Y, Wei S, An S, Liu J, Tian L, Wang S. Angiotensin II receptor blocker valsartan ameliorates cardiac fibrosis partly by inhibiting miR-21 expression in diabetic nephropathy mice. Mol Cell Endocrinol 2018; 472:149-158. [PMID: 29233785 DOI: 10.1016/j.mce.2017.12.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 11/29/2017] [Accepted: 12/08/2017] [Indexed: 12/21/2022]
Abstract
Cardiac fibrosis with diabetic nephropathy (DN) is one of major diabetic complications. miR-21 and MMP-9 were closely associated with fibrosis diseases. Angiotensin II receptor blockers (ARB) have cardioprotective effects. However, it remains unclear whether miR-21 was involved in the mechanism of cardiac fibrosis with DN by target MMP-9 and ARB ameliorates cardiac fibrosis partly by inhibiting miR-21 expression. In this study, In Situ Hybridization(ISH), RT-PCR, cell transfection, western blotting and laser confocal telescope were used, respectively. ISH showed that miR-21, concentrated in cytoplasmic foci in the proximity of the nucleus, was mainly localized in cardiac fibroblasts and at relatively low levels in cardiomyocytes within cardiac tissue with DN. RT-PCR showed that miR-21 expression was significantly enhanced in cardiac tissue with DN, accompanied by the increase of col-IV, FN, CVF, PVCA, LVMI, HWI and NT-pro-BNP (p < 0.05). Bioinformatics analysis and Luciferase reporter gene assays showed that MMP-9 was a validated target of miR-21. Furthermore, cell transfection experiments showed that miR-21 overexpression directly decreased MMP-9 expression. Interestingly, miR-21 levels in cardiac tissue was positively correlated with ACR (r = -0.870, P = 0.003), whereas, uncorrelated with SBP, HbA1C and T-Cho (p > 0.05). More importantly, ARB can significantly decrease miR-21 expression in cardiac tissue, cardiac fibroblasts and serum. Overall, our results suggested that miR-21 may contribute to the pathogenesis of cardiac fibrosis with DN by target MMP-9, and that miR-21 may be a new possible therapeutic target for ARB in cardiac fibrosis with DN.
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Affiliation(s)
- Jinyang Wang
- Department of Endocrinology, Gansu Provincial People's Hospital, Gansu Key Laboratory of Endocrine and Metabolism, 204 Donggang West Road, Lanzhou, 730000, PR China.
| | - Lijun Duan
- Department of Gynecology and Obstetrics, Gansu Provincial People's Hospital, 204 Donggang West Road, Lanzhou 730000, PR China.
| | - Yanbin Gao
- Metabolic Disease Center, School of Traditional Chinese Medical, Capital Medical University, Beijing Key Laboratory of TCM Collateral Disease Theory Research, Beijing, 100069, PR China
| | - Shuhong Zhou
- Department of Rheumatology and Immunology, Gansu Provincial People's Hospital, 204 Donggang West Road, Lanzhou, 730000, PR China
| | - Yongming Liu
- Department of Geriatric Endocrinology, The First Hospital of Lanzhou University, 1 Donggang West Road, Lanzhou, 730000, PR China
| | - Suhong Wei
- Department of Endocrinology, Gansu Provincial People's Hospital, Gansu Key Laboratory of Endocrine and Metabolism, 204 Donggang West Road, Lanzhou, 730000, PR China
| | - Siqin An
- Department of Endocrinology, Gansu Provincial People's Hospital, Gansu Key Laboratory of Endocrine and Metabolism, 204 Donggang West Road, Lanzhou, 730000, PR China
| | - Jing Liu
- Department of Endocrinology, Gansu Provincial People's Hospital, Gansu Key Laboratory of Endocrine and Metabolism, 204 Donggang West Road, Lanzhou, 730000, PR China
| | - Liming Tian
- Department of Endocrinology, Gansu Provincial People's Hospital, Gansu Key Laboratory of Endocrine and Metabolism, 204 Donggang West Road, Lanzhou, 730000, PR China
| | - Shaocheng Wang
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin Eye Hospital, Tianjin, 300070, PR China
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Emerging Role of mTOR Signaling-Related miRNAs in Cardiovascular Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:6141902. [PMID: 30305865 PMCID: PMC6165581 DOI: 10.1155/2018/6141902] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 07/04/2018] [Indexed: 12/21/2022]
Abstract
Mechanistic/mammalian target of rapamycin (mTOR), an atypical serine/threonine kinase of the phosphoinositide 3-kinase- (PI3K-) related kinase family, elicits a vital role in diverse cellular processes, including cellular growth, proliferation, survival, protein synthesis, autophagy, and metabolism. In the cardiovascular system, the mTOR signaling pathway integrates both intracellular and extracellular signals and serves as a central regulator of both physiological and pathological processes. MicroRNAs (miRs), a class of short noncoding RNA, are an emerging intricate posttranscriptional modulator of critical gene expression for the development and maintenance of homeostasis across a wide array of tissues, including the cardiovascular system. Over the last decade, numerous studies have revealed an interplay between miRNAs and the mTOR signaling circuit in the different cardiovascular pathophysiology, like myocardial infarction, hypertrophy, fibrosis, heart failure, arrhythmia, inflammation, and atherosclerosis. In this review, we provide a comprehensive state of the current knowledge regarding the mechanisms of interactions between the mTOR signaling pathway and miRs. We have also highlighted the latest advances on mTOR-targeted therapy in clinical trials and the new perspective therapeutic strategies with mTOR-targeting miRs in cardiovascular diseases.
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Li X, Wei Y, Wang Z. microRNA-21 and hypertension. Hypertens Res 2018; 41:649-661. [PMID: 29973661 DOI: 10.1038/s41440-018-0071-z] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 01/11/2018] [Accepted: 01/29/2018] [Indexed: 12/12/2022]
Abstract
Hypertension, a multifactorial disease, is a major risk factor for the development of stroke, coronary artery disease, heart failure, and chronic renal failure. However, its underlying cellular and molecular mechanisms remain largely elusive. Numerous studies have shown that microRNAs (miRNAs) are involved in a variety of cellular processes, including cellular proliferation, apoptosis, differentiation, and the development of diseases. microRNA-21 (miR-21), a conserved single-stranded non-coding RNA that is composed of approximately 22 nucleotides, is one of the most intensively studied miRNAs in recent years, and it can regulate gene expression at the post-transcriptional level. miR-21 is expressed in many kinds of tumors and in the cardiovascular system, and it plays an important role in the occurrence and development of cardiovascular diseases. In recent years, more and more evidence indicates that miR-21 plays an important role in hypertension. This article reviews the source, function, and altered levels of miR-21 in hypertension and the role of miR-21 in the pathogenesis of hypertension and target organ damage (TOD). The potential role of miR-21 as a new target for predicting and treating hypertension is also explored.
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Affiliation(s)
- Xiao Li
- Department of Hypertension, Beijing Anzhen Hospital, Capital Medical University, 100029, Beijing, China
| | - Yongxiang Wei
- Department of Otolaryngology Head and Neck Surgery, Beijing Anzhen Hospital, Capital Medical University, 100029, Beijing, China.
| | - Zuoguang Wang
- Department of Hypertension, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung, Blood Vessel Diseases, 100029, Beijing, China.
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Abstract
Epidemiological and experimental observations tend to prove that environment, lifestyle or nutritional challenges influence heart functions together with genetic factors. Furthermore, when occurring during sensitive windows of heart development, these environmental challenges can induce an 'altered programming' of heart development and shape the future heart disease risk. In the etiology of heart diseases driven by environmental challenges, epigenetics has been highlighted as an underlying mechanism, constituting a bridge between environment and heart health. In particular, micro-RNAs which are involved in each step of heart development and functions seem to play a crucial role in the unfavorable programming of heart diseases. This review describes the latest advances in micro-RNA research in heart diseases driven by early exposure to challenges and discusses the use of micro-RNAs as potential targets in the reversal of the pathophysiology.
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78
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Li B, Meng X, Zhang L. microRNAs and cardiac stem cells in heart development and disease. Drug Discov Today 2018; 24:233-240. [PMID: 29852125 DOI: 10.1016/j.drudis.2018.05.032] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 04/24/2018] [Accepted: 05/22/2018] [Indexed: 12/20/2022]
Abstract
Cumulative evidence has proven that proliferation, differentiation and migration of cardiac stem cells (CSCs) dominate early heart development and contribute to the later occurrence of heart disease. Among other mechanisms, microRNAs work as the 'fine-tuning' to modulate the levels of target genes in a specific cell type. The distinct microRNA signatures in CSCs reveal the stages and functions of CSCs. The focus of this review is to summarize recent knowledge advances in CSC proliferation, differentiation and migration and to discuss how microRNAs regulate these processes during heart development and in heart disease. Better understanding of microRNA regulation on CSCs under different situations will enable the unveiling of the mechanisms of heart disease and open new avenues in the therapeutic potentials of microRNA modulation to treat heart disease.
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Affiliation(s)
- Bo Li
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA.
| | - Xianmei Meng
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA
| | - Lubo Zhang
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA
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Tang C, Gu Y, Wang H, Wu H, Wang Y, Meng Y, Han Z, Gu Y, Ma W, Jiang Z, Song Y, Na M, Lu D, Lin Z. Targeting of microRNA-21-5p protects against seizure damage in a kainic acid-induced status epilepticus model via PTEN-mTOR. Epilepsy Res 2018; 144:34-42. [PMID: 29751355 DOI: 10.1016/j.eplepsyres.2018.05.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 04/29/2018] [Accepted: 05/03/2018] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Studies have shown that microRNAs play a role in the development of epilepsy by regulating downstream target messenger (m)RNA. The present study aims to determine the changes associated with microRNA-21-5p (miR-21-5p) during epileptogenesis in a kainic acid rat model, and to assess whether the PTEN-mTOR pathway is a target of miR-21-5p. METHOD Reverse transcription polymerase chain reaction (RT-PCR) was used to examine the quantitative expressions of miR-21-5p and PTEN, and Western blotting was used to test the activity of mTOR in the acute, latent, and chronic stages of epileptogenesis. The antagomir of miR-21-5p was injected into the intracerebroventricular space using a microsyringe. Neuronal death and epilepsy discharge were assessed by Nissl staining and electroencephalography (EEG), respectively. The Morris water maze (MWM) was used to assess the cognitive impairment in rats after status epilepticus (SE). RESULTS Both miR-21-5p and mTOR were upregulated and PTEN was downregulated in rats during acute, latent, and chronic stages of epileptogenesis when compared with those of the control. After using antagomir miR-21-5p in vivo, miR-21-5p and mTOR decreased and the expression of PTEN increased compared with that in the SE model. The silencing of miR-21-5p diminished the number of abnormal spikes on EEG and decreased the number of neuron deletions on Nissl staining. The cognitive and memory impairment caused by epilepsy could also be improved after miR-21-5p knockdown in vivo. CONCLUSION The results of the present study demonstrate that PTEN-mTOR is the target of miR-21-5p in a kainic acid model of epilepsy. The knockout of miR-21-5p decreases the neuronal damage in stages of epileptogenesis. The miR-21-5p/PTEN/mTOR axis may be a potential target for preventing and treating seizures and epileptic damage.
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Affiliation(s)
- Chongyang Tang
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Yunhe Gu
- Department of Pathology, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Haiyang Wang
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Hongmei Wu
- Department of Pathology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Yu Wang
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Yao Meng
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Zhibin Han
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Yifei Gu
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Wei Ma
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Zhenfeng Jiang
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Yuanyuan Song
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Meng Na
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Dunyue Lu
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
| | - Zhiguo Lin
- Department of Neurosurgery, The First Affiliated Hospital, Harbin Medical University, Harbin, China.
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Chen Z, Ding HS, Guo X, Shen JJ, Fan D, Huang Y, Huang CX. MiR-33 promotes myocardial fibrosis by inhibiting MMP16 and stimulating p38 MAPK signaling. Oncotarget 2018; 9:22047-22057. [PMID: 29774121 PMCID: PMC5955156 DOI: 10.18632/oncotarget.25173] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 01/20/2018] [Indexed: 12/11/2022] Open
Abstract
Myocardial fibrosis occurs in the late stages of many cardiovascular diseases, and appears to be stimulated by various microRNAs (miRNAs). We previously found that miR-33 may stimulate cardiac remodeling. Here, we examined the involvement of miR-33 in myocardial fibrosis. Proximal left coronary descending artery occlusion was performed in rat, and antagomiR-33a was injected. Primary cardiac fibroblasts were cultured and transfected with miR-33a mimics and inhibitors. miR-33a levels were increased in the rat after surgery, and collagen deposition and heart fibrosis were observed in vivo. Inhibition of miR-33a suppressed fibroblast proliferation, reduced the mRNA and protein levels of collagen-related markers in vitro and in vivo, and rescued the histological damage in vivo. A dual-luciferase reporter system showed that matrix metalloproteinase 16 (MMP16) gene was the direct target of MiR-33a. These results suggest that miR-33 promoted myocardial fibrosis by inhibiting MMP16 and stimulating p38 mitogen-activated protein kinase (p38 MAPK) signaling pathway. MiR-33 may act as a novel therapeutic target for treating myocardial fibrosis.
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Affiliation(s)
- Zhen Chen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Hua-Sheng Ding
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Xin Guo
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Jing-Jing Shen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Di Fan
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Yan Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
| | - Cong-Xin Huang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.,Institute of Cardiovascular Diseases, Wuhan University, Wuhan 430060, PR China.,Hubei Key Laboratory of Cardiology, Wuhan 430060, PR China
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81
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Gu H, Liu Z, Li Y, Xie Y, Yao J, Zhu Y, Xu J, Dai Q, Zhong C, Zhu H, Ding S, Zhou L. Serum-Derived Extracellular Vesicles Protect Against Acute Myocardial Infarction by Regulating miR-21/PDCD4 Signaling Pathway. Front Physiol 2018; 9:348. [PMID: 29674977 PMCID: PMC5895646 DOI: 10.3389/fphys.2018.00348] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 03/20/2018] [Indexed: 12/20/2022] Open
Abstract
Acute myocardial infarction (AMI) represents a leading cause of morbidity and mortality worldwide. Extracellular vesicles (EVs) are being recognized as a promising therapeutic approach in protecting against MI. Serum is a rich source of EVs, which transports various microRNAs (miRNAs, miRs). EVs from serum have been shown beneficial for protecting against ischemia-reperfusion injury; however, their roles in AMI are unclear. In addition, whether a miRNA might be responsible for the effects of serum EVs on protecting against AMI is undetermined. Here, we demonstrated that serum EVs significantly reduced cardiomyocytes apoptosis in both cellular and mouse models of AMI, and dramatically attenuated the infarct size in mouse hearts after AMI. Inhibition of miR-21 was shown to reduce the protective effects of serum EVs in inhibiting cardiomyocytes apoptosis. miR-21 was decreased in mouse hearts after AMI, while serum EVs increased that. In addition, the programmed cell death 4 (PDCD4) expression was identified as a target gene of miR-21. Therefore, our study showed the protective effects of serum EVs on AMI, and provided a novel strategy for AMI therapy.
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Affiliation(s)
- Huanyu Gu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhuyuan Liu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yongqin Li
- Cardiac Regeneration and Ageing Lab, School of Life Science, Shanghai University, Shanghai, China
| | - Yuan Xie
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jianhua Yao
- Department of Cardiology, Shanghai Tenth Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yujiao Zhu
- Cardiac Regeneration and Ageing Lab, School of Life Science, Shanghai University, Shanghai, China
| | - Jiahong Xu
- Department of Cardiology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qiying Dai
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chongjun Zhong
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of NanTong University, Nantong, China
| | - Hao Zhu
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of NanTong University, Nantong, China
| | - Shengguang Ding
- Department of Thoracic and Cardiovascular Surgery, The Second Affiliated Hospital of NanTong University, Nantong, China
| | - Lei Zhou
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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Ramos AE, Lo C, Estephan LE, Tai YY, Tang Y, Zhao J, Sugahara M, Gorcsan J, Brown MG, Lieberman DE, Chan SY, Baggish AL. Specific circulating microRNAs display dose-dependent responses to variable intensity and duration of endurance exercise. Am J Physiol Heart Circ Physiol 2018; 315:H273-H283. [PMID: 29600898 DOI: 10.1152/ajpheart.00741.2017] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Circulating microRNAs (c-miRNAs), plasma-based noncoding RNAs that control posttranscriptional gene expression, mediate processes that underlie phenotypical plasticity to exercise. The relationship and biological relevance between c-miRNA expression and variable dose exercise exposure remains uncertain. We hypothesized that certain c-miRNAs respond to changes in exercise intensity and/or duration in a dose-dependent fashion. Muscle release of such c-miRNAs may then deplete intracellular stores, thus facilitating gene reprogramming and exercise adaptation. To address these hypotheses, healthy men participated in variable intensity ( n = 12, 30 × 1 min at 6, 7, and 8 miles/h, order randomized) and variable duration ( n = 14, 7 × 1 mile/h for 30, 60, and 90 min, order randomized) treadmill-running protocols. Muscle-enriched c-miRNAs (i.e., miRNA-1 and miRNA-133a) and others with known relevance to exercise were measured before and after exercise. c-miRNA responses followed three profiles: 1) nonresponsive (miRNA-21 and miRNA-210), 2) responsive to exercise at some threshold but without dose dependence (miRNA-24 and miRNA-146a), and 3) responsive to exercise with dose dependence to increasing intensity (miRNA-1) or duration (miRNA-133a and miRNA-222). We also studied aerobic exercise-trained mice, comparing control, low-intensity (0.5 km/h), or high-intensity (1 km/h) treadmill-running protocols over 4 wk. In high- but not low-intensity-trained mice, we found increased plasma c-miR-133a along with decreased intracellular miRNA-133a and increased serum response factor, a known miR-133a target gene, in muscle. Characterization of c-miRNAs that are dose responsive to exercise in humans and mice supports the notion that they directly mediate physiological adaptation to exercise, potentially through depletion of intracellular stores of muscle-specific miRNAs. NEW & NOTEWORTHY In this study of humans and mice, we define circulating microRNAs in plasma that are dose responsive to exercise. Our data support the notion that these microRNAs mediate physiological adaptation to exercise potentially through depletion of intracellular stores of muscle-specific microRNAs and releasing their inhibitory effects on target gene expression.
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Affiliation(s)
- Anna E Ramos
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC , Pittsburgh, Pennsylvania
| | - Claire Lo
- Department of Human Evolutionary Biology, Harvard University , Cambridge, Massachusetts.,Cardiovascular Performance Program, Massachusetts General Hospital, Harvard Medical School , Boston, Massachusetts
| | - Leonard E Estephan
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC , Pittsburgh, Pennsylvania
| | - Yi-Yin Tai
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC , Pittsburgh, Pennsylvania
| | - Ying Tang
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC , Pittsburgh, Pennsylvania
| | - Jingsi Zhao
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC , Pittsburgh, Pennsylvania
| | - Masataka Sugahara
- Cardiovascular Division, Department of Internal Medicine, Hyogo College of Medicine , Hyogo , Japan
| | - John Gorcsan
- Cardiovascular Division, Department of Internal Medicine, Washington University School of Medicine , St. Louis, Missouri
| | - Marcel G Brown
- Cardiovascular Performance Program, Massachusetts General Hospital, Harvard Medical School , Boston, Massachusetts
| | - Daniel E Lieberman
- Department of Human Evolutionary Biology, Harvard University , Cambridge, Massachusetts
| | - Stephen Y Chan
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and UPMC , Pittsburgh, Pennsylvania
| | - Aaron L Baggish
- Cardiovascular Performance Program, Massachusetts General Hospital, Harvard Medical School , Boston, Massachusetts
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Yang G, Min D, Yan J, Yang M, Lin G. Protective role and mechanism of snakegourd peel against myocardial infarction in rats. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 42:18-24. [PMID: 29655684 DOI: 10.1016/j.phymed.2018.03.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 11/06/2017] [Accepted: 03/07/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Injection of snakegourd peel (SP), an herb used in traditional Chinese medicine, is used to treat coronary artery disease and stable angina in China. However, its therapeutic role and mechanism of action for the treatment of myocardial infarction (MI) is not fully understood. PURPOSE The present study was designed to investigate the effect of SP on MI-induced cardiac injury and elucidate its underlying molecular mechanisms. METHODS To create an in vivo model of MI, we ligated the left coronary artery of Wistar rats. For our in vitro model of MI, we treated primary neonatal rat ventricular myocytes with hypoxia. Myocardial infarct size was measured by triphenyltetrazolium chloride (TTC) staining. Intracellular calcium concentration (Ca2+) was measured by confocal microscopy, and cardiomyocyte apoptosis was assessed by TUNEL assay. Western blot was applied to determine protein levels. RESULTS Three days post-MI, SP significantly improved MI-induced impairment of cardiac function, as indicated by increased left ventricular systolic pressure (LVSP), maximum rate of left ventricular pressure rise and fall (± dp/dt max), and decreased left ventricular end-diastolic pressure (LVEDP). In addition, SP treatment markedly reduced the infarct size and serum lactate dehydrogenase (LDH) activity; inhibited cardiomyocyte apoptosis and Caspase-3 activation both in vivo and in vitro; and decreased intracellular calcium overload, Cav1.2, phosphorylated JNK (p-JNK), and p38 MAPK (p-p38 MAPK) levels in ischemic myocardium. CONCLUSION SP alleviated cardiac ischemic injury and inhibited cardiomyocyte apoptosis by attenuating intracellular calcium overload, suppressing Caspase-3 activation, and downregulating protein expression of p-JNK and p-p38MAPK. These results suggest that SP may serve as a potential novel therapeutic drug for MI.
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Affiliation(s)
- Guanlin Yang
- Liaoning University of Traditional Chinese Medicine, Shenyang 110032, China
| | - Dongyu Min
- The Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang 110032, China
| | - Junwei Yan
- The Affiliated Hospital of Tsingtao University of Vascular Surgery, Tsingtao 266070, China
| | - Ming Yang
- The Affiliated Hospital of Tsingtao University of Intensive Care Unit, Tsingtao 266070, China
| | - Guijun Lin
- Department of Anatomy, Harbin Medical University-Daqing, Daqing, Heilongjiang 163319, China.
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84
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Lan X, Sun W, Dong W, Wang Z, Zhang T, He L, Zhang H. Downregulation of long noncoding RNA H19 contributes to the proliferation and migration of papillary thyroid carcinoma. Gene 2018; 646:98-105. [DOI: 10.1016/j.gene.2017.12.051] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 11/09/2017] [Accepted: 12/22/2017] [Indexed: 12/22/2022]
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85
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Vandergriff A, Huang K, Shen D, Hu S, Hensley MT, Caranasos TG, Qian L, Cheng K. Targeting regenerative exosomes to myocardial infarction using cardiac homing peptide. Theranostics 2018; 8:1869-1878. [PMID: 29556361 PMCID: PMC5858505 DOI: 10.7150/thno.20524] [Citation(s) in RCA: 257] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 01/23/2018] [Indexed: 12/24/2022] Open
Abstract
Rationale: Cardiac stem cell-derived exosomes have been demonstrated to promote cardiac regeneration following myocardial infarction in preclinical studies. Recent studies have used intramyocardial injection in order to concentrate exosomes in the infarct. Though effective in a research setting, this method is not clinically appealing due to its invasive nature. We propose the use of a targeting peptide, cardiac homing peptide (CHP), to target intravenously-infused exosomes to the infarcted heart. Methods: Exosomes were conjugated with CHP through a DOPE-NHS linker. Ex vivo targeting was analyzed by incubating organ sections with the CHP exosomes and analyzing with fluorescence microscopy. In vitro assays were performed on neonatal rat cardiomyocytes and H9C2 cells. For the animal study, we utilized an ischemia/reperfusion rat model. Animals were treated with either saline, scramble peptide exosomes, or CHP exosomes 24 h after surgery. Echocardiography was performed 4 h after surgery and 21 d after surgery. At 21 d, animals were sacrificed, and organs were collected for analysis. Results: By conjugating the exosomes with CHP, we demonstrate increased retention of the exosomes within heart sections ex vivo and in vitro with neonatal rat cardiomyocytes. In vitro studies showed improved viability, reduced apoptosis and increased exosome uptake when using CHP-XOs. Using an animal model of ischemia/reperfusion injury, we measured the heart function, infarct size, cellular proliferation, and angiogenesis, with improved outcomes with the CHP exosomes. Conclusions: Our results demonstrate a novel method for increasing delivery of for treatment of myocardial infarction. By targeting exosomes to the infarcted heart, there was a significant improvement in outcomes with reduced fibrosis and scar size, and increased cellular proliferation and angiogenesis.
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Affiliation(s)
- Adam Vandergriff
- Joint Department of Biomedical Engineering at University of North Carolina at Chapel Hill and North Carolina State University
- Department of Molecular and Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
| | - Ke Huang
- Department of Molecular and Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
| | - Deliang Shen
- Department of Cardiovascular Medicine, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Shiqi Hu
- Joint Department of Biomedical Engineering at University of North Carolina at Chapel Hill and North Carolina State University
- Department of Molecular and Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
| | - Michael Taylor Hensley
- Department of Molecular and Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
| | - Thomas G. Caranasos
- Department of Cardiothoracic Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Li Qian
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Ke Cheng
- Joint Department of Biomedical Engineering at University of North Carolina at Chapel Hill and North Carolina State University
- Department of Molecular and Biomedical Sciences and Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
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86
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Wang Y, Wei CX, Shao LQ, Zhao M. MiRNA Signaling in Viral Myocarditis Novel and Unique Pathological Features. ACTA CARDIOLOGICA SINICA 2018; 34:77-86. [PMID: 29375227 DOI: 10.6515/acs.201801_34(1).20170901a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Background Micro-RNAs (miRNAs) are small non-coding RNAs that modulate many target genes. Viral myocarditis is common cardiomyopathy, however, there is an absence of effective therapeutic strategies for viral myocarditis (VMC). The purpose of this research was to characterize changes in miRNAs expression in VMC mice. Methods Atrial myocytes were infected coxsackievirus B3 and miRNAs microarray was performed. miRNAs target predicted and the bioinformatics analysis was carried out by gene ontology (GO) and KEGG pathway analysis. To validate the results, Difference miRNAs were identified in heart of mice by real-time polymerase chain reaction (PCR). Results We identified 94 miRNAs that were differentially expressed (27 were up-regulated and 67 were down-regulated by at least 2.0-fold). Real time PCR analysis has confirmed that the expression levels of 7 miRNAs up-regulated, 18 miRNAs down-regulated. They were mainly involved in protein binding, small GTPase mediated signal transduction, protein phosphorylation by GO. Pathway analysis showed that a significant enrichment in several pathways related to cAMP signaling pathway, AMPK signaling pathway, RAS signaling pathway, Rap1 signaling pathway, ErbB signaling pathway, Oxytocin signaling pathway. Conclusions Our results provide a better understanding of the mechanisms of viral myocarditis pathophysiology.
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Affiliation(s)
- Yu Wang
- Inner Mongolia University for the Nationalities.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Tongliao, Inner Mongolia, P.R. China
| | - Cheng-Xi Wei
- Inner Mongolia University for the Nationalities.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Tongliao, Inner Mongolia, P.R. China
| | - Li-Qun Shao
- First Clinical Medical of Inner Mongolia University for Nationalities
| | - Ming Zhao
- First Clinical Medical of Inner Mongolia University for Nationalities.,Inner Mongolia Key Laboratory of Mongolian Medicine Pharmacology for Cardio-Cerebral Vascular System, Tongliao, Inner Mongolia, P.R. China
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87
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Sun H, Cai J, Xu L, Liu J, Chen M, Zheng M, Wang L, Yang X. miR-483-3p regulates acute myocardial infarction by transcriptionally repressing insulin growth factor 1 expression. Mol Med Rep 2018; 17:4785-4790. [PMID: 29363719 DOI: 10.3892/mmr.2018.8456] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 08/10/2017] [Indexed: 11/06/2022] Open
Abstract
The aim of the present study was to evaluate the functional association between the expression of miR‑483‑3p and acute myocardial infarction (AMI) in patients and in vitro. H9c2 cells were incubated in a vacuum with 5% CO2, 5% H2 and 90% N2 for 2 h, which generated the AMI model in vitro. Reverse transcription‑quantitative polymerase chain reaction was used to measure miR‑483‑3p expression, and flow cytometry analysis and ELISA analysis were used to analyze apoptosis rate via caspase‑3 and caspase‑9 activity kits. B‑cell lymphoma 2 (Bcl‑2)/Bcl‑2‑associated X protein (Bax) and transcriptionally suppressed the protein expression of insulin growth factor 1 (IGF‑1) were analyze using western blot analysis. The results demonstrated that the expression of miR‑483‑3p in patients with AMI was increased when compared with the control group. In the in vitro model, the overexpression of miR‑483‑3p promoted apoptosis, increased caspase‑3 and caspase‑9 activity levels, induced the protein expression of Bcl‑2/Bax and IGF‑1. Picropodophyllotoxin, an IGF‑1 inhibitor, was administered to cells following the overexpression of miR‑483‑3p. Administration of picropodophyllotoxin suppressed IGF‑1 protein expression, promoted apoptosis, increased caspase‑3 and caspase‑9 activity levels, and induced the protein expression of Bax/Bcl‑2. The results of the present study revealed that miR‑483‑3p may regulate AMI via the IGF‑1 signaling pathway and may support the restoration of functional performance following AMI.
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Affiliation(s)
- Hao Sun
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Jun Cai
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Li Xu
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Jiamei Liu
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Mulei Chen
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Meili Zheng
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Lefeng Wang
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Xinchun Yang
- Heart Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, P.R. China
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88
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Ma JL, Guo WL, Chen XM. Overexpressing microRNA-150 attenuates hypoxia-induced human cardiomyocyte cell apoptosis by targeting glucose-regulated protein-94. Mol Med Rep 2018; 17:4181-4186. [PMID: 29328381 PMCID: PMC5802188 DOI: 10.3892/mmr.2018.8375] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 06/13/2017] [Indexed: 01/10/2023] Open
Abstract
MicroRNA (miR)-150 has been demonstrated to protect the heart from ischemic injury. However, the protective effect of miR-150 in hypoxia-injured cardiomyocytes remains unclear. The present study aimed to investigate the target gene of miR-150 and the underlying molecular mechanisms of miR-150 in hypoxia-induced cardiomyocyte apoptosis. Using the hypoxia model of human cardiomyocytes (HCMs) in vitro, it was demonstrated that miR-150 was markedly inhibited in HCMs after hypoxia treatment. Overexpressing miR-150 significantly decreased hypoxia-induced HCM death and apoptosis. In addition, GRP94 was revealed to be a direct target of miR-150. Additionally, GRP94 was demonstrated to be involved in hypoxia-induced HCM apoptosis, and the protein expression levels of GRP94 were increased in HCMs in the presence of hypoxia. These findings demonstrated that miR-150 is involved in hypoxia-mediated gene regulation and apoptosis in HCMs. Furthermore, GRP94 knockout increased the cell viability of hypoxia-impaired HCMs with miR-150 mimic or miR-150 inhibitor transfection. In conclusion, miR-150 may serve a protective role in cardiomyocyte hypoxia injury, and the underlying mechanism was mediated, at least partially, by inhibiting GRP94 expression. These findings may provide a novel insight for the therapy of hypoxia-induced myocardial I/R injury.
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Affiliation(s)
- Jian-Lin Ma
- Department of Emergency, Binzhou City Central Hospital, Binzhou, Shandong 251700, P.R. China
| | - Wen-Ling Guo
- Department of Obstetrics, Binzhou City Central Hospital, Binzhou, Shandong 251700, P.R. China
| | - Xue-Mei Chen
- Department of Obstetrics, Binzhou City Central Hospital, Binzhou, Shandong 251700, P.R. China
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89
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Wang J, Lu Y, Ding H, Gu T, Gong C, Sun J, Zhang Z, Zhao Y, Ma C. The miR-875-5p inhibits SATB2 to promote the invasion of lung cancer cells. Gene 2017; 644:13-19. [PMID: 29196257 DOI: 10.1016/j.gene.2017.11.066] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 11/04/2017] [Accepted: 11/27/2017] [Indexed: 01/03/2023]
Abstract
The pathogenesis of non-small cell lung cancer (NSCLC) is regulated by various miRNAs. In this study, we identified that miR-875-5pis up-regulated in NSCLC patients, and inhibited SATB Homeobox 2(SATB2) to promote proliferation and invasion of NSCLCcells.CCK-8assay revealed thatmiR-875-5p mimics promoted proliferation of NSCLC cells. Transwell assay showed that miR-875-5pmimicspromoted the invasion and migration of NSCLC cells. Luciferase assays confirmed that miR-875-5pdirectly binds to the 3'untranslated region of SATB2, and western blotting showed that miR-875-5psuppresses the expression of SATB2 at the protein level. Moreover, the inhibitors of miR-875-5pinhibit proliferation and invasion of NSCLC cell lines. The miR-875-5pwouldbe a potential therapeutic target for NSCLC treatment in the future.
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Affiliation(s)
- Jun Wang
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Yadong Lu
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Hao Ding
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Tao Gu
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Chenhu Gong
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Jianfei Sun
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Zhihong Zhang
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Yucai Zhao
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China
| | - Chunping Ma
- Zhangjiagang First People 's Hospital, Zhangjiagang Hospital Affiliated to Suzhou University, Zhangjiagang 215600, China.
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90
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Dangwal S, Schimmel K, Foinquinos A, Xiao K, Thum T. Noncoding RNAs in Heart Failure. Handb Exp Pharmacol 2017; 243:423-445. [PMID: 27995387 DOI: 10.1007/164_2016_99] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Heart failure is a major contributor to the healthcare burden and mortality worldwide. Current treatment strategies are able to slow down the transition of healthy heart into the failing one; nevertheless better understanding of the complex genetic regulation of maladaptive remodeling in the failing heart is essential for new drug discovery. Noncoding RNAs are key epigenetic regulators of cardiac gene expression and thus significantly influence cardiac homeostasis and functions.In this chapter we will discuss characteristics of noncoding RNAs, especially miRNAs, long noncoding RNAs, and circular RNAs, and review recent evidences proving their profound involvement during different stages of heart failure progression. Several open questions still prevent the extensive use of noncoding RNA-modulating therapies in clinics; yet they are becoming an attractive target to define novel regulatory mechanisms in the heart. In-depth study of their interaction with gene networks will refine our current view of heart failure and revolutionize the drug development in coming years.
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Affiliation(s)
- Seema Dangwal
- Institute of Molecular and Translational Therapeutic Strategies, IFBTx, Hannover Medical School, Hannover, Germany
| | - Katharina Schimmel
- Institute of Molecular and Translational Therapeutic Strategies, IFBTx, Hannover Medical School, Hannover, Germany
| | - Ariana Foinquinos
- Institute of Molecular and Translational Therapeutic Strategies, IFBTx, Hannover Medical School, Hannover, Germany
| | - Ke Xiao
- Institute of Molecular and Translational Therapeutic Strategies, IFBTx, Hannover Medical School, Hannover, Germany
| | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies, IFBTx, Hannover Medical School, Hannover, Germany.
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91
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Ellagic acid promotes ventricular remodeling after acute myocardial infarction by up-regulating miR-140-3p. Biomed Pharmacother 2017; 95:983-989. [PMID: 28922712 DOI: 10.1016/j.biopha.2017.07.106] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 07/21/2017] [Accepted: 07/21/2017] [Indexed: 11/20/2022] Open
Abstract
In the paper, we observed the effect of ellagic acid (EA) on myocardial morphology and cardiac function and explored the mechanism of miR-140-3p-mediated EA in ventricular remodeling. The experimental animals were divided into 3 groups: control group, AMI group, AMI+EA group. Intragastric administration for 4 weeks was initiated on the first day after surgery in rats. Rodent echocardiography was used to measure heart size and cardiac function. The level of fibrosis was observed by Masson staining. The number of cell apoptosis was detected by TUNEL method. The expression of miR-140-3p and MKK6 was measured by qRT-PCR and Western blot, respectively. The results showed that EA could effectively improve the left ventricular function of AMI rats, reduce fibrosis area and infarct area. Moreover, EA significantly increased the expression of miR-140-3p and inhibited the expression of MKK6. However, miR-140-3p inhibitor up-regulated MKK6 expression, and miR-140-3p overexpression reversed the expression. In addition, EA could inhibit cell apoptosis, while miR-140-3p inhibitor increased cell apoptosis. After transfection with si-MKK6, the level of cell apoptosis was significantly decreased. These results indicated that EA improved ventricular remodeling after myocardial infarction by up-regulating miR-140-3p expression and inhibiting MKK6 expression.
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92
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He X, Zheng Y, Liu S, Shi S, Liu Y, He Y, Zhang C, Zhou X. MiR-146a protects small intestine against ischemia/reperfusion injury by down-regulating TLR4/TRAF6/NF-κB pathway. J Cell Physiol 2017; 233:2476-2488. [PMID: 28771774 DOI: 10.1002/jcp.26124] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Accepted: 08/01/2017] [Indexed: 01/25/2023]
Abstract
Previous studies reported that miR-146a was involved in small intestine ischemia-reperfusion (I/R) injury, but the mechanism is largely vague. Here, we aimed to identify the change of miR-146a in patients with mesenteric ischemia and explore the potential regulatory mechanism of miR-146a in intestine epithelial cells survival under ischemia and I/R injury. The plasma of 20 patients with mesenteric ischemia and 25 controls was collected to examine the miR-146a expression by qPCR. Rat intestinal epithelial cells (IEC-6) and 24 male Sprague-Dawley rats were included to build ischemia and I/R model in vitro and in vivo. The qPCR results showed that miR-146a decreased both in the plasma of patients with mesenteric ischemia and in IEC-6 cells and rat small intestine tissues in ischemia and I/R model compared to controls. Both the in vitro and in vivo results showed that I/R resulted in more severe apoptotic injury than ischemia. Cleaved-caspase 3, TLR4, TRAF6, and nuclear NF-κB p65 were up-regulated accompanying reduced XIAP and SOCS3 expression in intestinal ischemia and I/R injury. After up-regulation of miR-146a in IEC-6 cells, increased cell survival and decreased cell apoptosis were observed, concomitant with decreased cleaved-caspase 3 and down-regulated TLR4/TRAF6/NF-κB pathway. What is more, this protective effect was blocked by TRAF6 overexpression and increased nuclear NF-κB p65 nuclear. Taken together, this study revealed that miR-146a expression was decreased in small intestine ischemia and I/R injury. And miR-146a improves intestine epithelial cells survival under ischemia and I/R injury through inhibition TLR4, TRAF6, and p-IκBα, subsequently leading to decreased NF-κB p65 nuclear translocation.
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Affiliation(s)
- Xuemei He
- Experimental Medicine Center, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yingqiang Zheng
- Department of Breast and Thyroid Surgery, Chengdu Fifth People's Hospital, Chengdu, China
| | - Shengzhi Liu
- Department of Vascular Surgery, The Second People's Hospital of Yibin, Yibin, China
| | - Sen Shi
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yong Liu
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yanzheng He
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Chunxiang Zhang
- Department of Biomedical Engineering, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Xiangyu Zhou
- Department of Vascular Surgery, The Affiliated Hospital of Southwest Medical University, Luzhou, China
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93
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miRNA Expression Profile and Effect of Wenxin Granule in Rats with Ligation-Induced Myocardial Infarction. Int J Genomics 2017; 2017:2175871. [PMID: 28894747 PMCID: PMC5574297 DOI: 10.1155/2017/2175871] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 07/12/2017] [Indexed: 12/22/2022] Open
Abstract
Wenxin Granule (WXKL) is a traditional Chinese medicine used for treatment of myocardial infarction (MI) and arrhythmias. However, the genomic pathological mechanisms of MI and mechanisms of WXKL are largely unknown. This study aims to investigate a comprehensive miRNA expression profile, and the predicted correlation pathways to be targeted by differentially expressed miRNAs in MI, and mechanisms of WXKL from a gene level. MI rat model was established by a coronary artery ligation surgery. miRNA expression microarrays were performed and the data were deposited in Gene Expression Omnibus (GEO number GSE95855). And, pathway analysis was performed by using the DIANA-miRPath v3.0 online tool. The expressions of miR-1, miR-133, Cx43, and Cx45 were detected by quantitative real-time PCR. It was found that 35 differentially expressed miRNAs and 23 predicted pathways, including miR-1, miR-133, and gap junction pathway, are involved in the pathogenesis of MI. And, WXKL increased the expressions of miR-1 and miR-133, while also increased the mRNA levels of Cx43 and Cx45, and, especially, recovered the Cx43/Cx45 ratio near to normal level. The results suggest that regulatory effects on miR-1, miR-133, Cx43, and Cx45 might be a possible mechanism of WXKL in the treatment of MI at the gene level.
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94
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Chen X, Zhao W, Yuan Y, Bai Y, Sun Y, Zhu W, Du Z. MicroRNAs tend to synergistically control expression of genes encoding extensively-expressed proteins in humans. PeerJ 2017; 5:e3682. [PMID: 28828274 PMCID: PMC5560240 DOI: 10.7717/peerj.3682] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 07/22/2017] [Indexed: 01/02/2023] Open
Abstract
Considering complicated microRNA (miRNA) biogenesis and action mechanisms, it was thought so high energy-consuming for a cell to afford simultaneous over-expression of many miRNAs. Thus it prompts that an alternative miRNA regulation pattern on protein-encoding genes must exist, which has characteristics of energy-saving and precise protein output. In this study, expression tendency of proteins encoded by miRNAs’ target genes was evaluated in human organ scale, followed by quantitative assessment of miRNA synergism. Expression tendency analysis suggests that universally expressed proteins (UEPs) tend to physically interact in clusters and participate in fundamental biological activities whereas disorderly expressed proteins (DEPs) are inclined to relatively independently execute organ-specific functions. Consistent with this, miRNAs that mainly target UEP-encoding mRNAs, such as miR-21, tend to collaboratively or even synergistically act with other miRNAs in fine-tuning protein output. Synergistic gene regulation may maximize miRNAs’ efficiency with less dependence on miRNAs’ abundance and overcome the deficiency that targeting plenty of genes by single miRNA makes miRNA-mediated regulation high-throughput but insufficient due to target gene dilution effect. Furthermore, our in vitro experiment verified that merely 25 nM transfection of miR-21 be sufficient to influence the overall state of various human cells. Thus miR-21 was identified as a hub in synergistic miRNA–miRNA interaction network. Our findings suggest that synergistic miRNA–miRNA interaction is an important endogenous miRNA regulation mode, which ensures adequate potency of miRNAs at low abundance, especially those implicated in fundamental biological regulation.
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Affiliation(s)
- Xue Chen
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
| | - Wei Zhao
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
| | - Ye Yuan
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
| | - Yan Bai
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
| | - Yong Sun
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
| | - Wenliang Zhu
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
| | - Zhimin Du
- Department of Pharmacy, The Second Affiliated Hospital of Harbin Medical University (Institute of Clinical Pharmacy, The Heilongjiang Key Laboratory of Drug Research, Harbin Medical University), Harbin, China
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MicroRNA-98 negatively regulates myocardial infarction-induced apoptosis by down-regulating Fas and caspase-3. Sci Rep 2017; 7:7460. [PMID: 28784995 PMCID: PMC5547114 DOI: 10.1038/s41598-017-07578-x] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 06/22/2017] [Indexed: 12/20/2022] Open
Abstract
Acute myocardial infarction (MI) is the leading cause of sudden death worldwide. MicroRNAs (miRs) is a novel class of regulators of cardiovascular diseases such as MI. This study aimed to explore the role of miR-98 in MI and its underlying mechanisms. We found that miR-98 was downregulated both in infarcted and ischemic myocardium of MI mice as well as H2O2-treated neonatal rat ventricular myocytes (NRVCs). miR-98 overexpression remarkably increased cell viability and inhibited apoptosis of H2O2-treated NRVCs. Meanwhile, overexpression of miR-98 reversed H2O2-induced Bcl-2 downregulation and Bax elevation and significantly reduced JC-1 monomeric cells. Meanwhile, miR-98 overexpression attenuated the upregulation of Fas and caspase-3 in H2O2-treated cardiomyocytes at the mRNA and protein levels. Dual-luciferase reporter assay showed that miR-98 directly targeted to Fas 3'-UTR. Furthermore, MI mice injected with miR-98-agomir had a significant reduction of apoptotic cells, the serum LDH levels, myocardial caspase-3 activity, Fas and caspase-3 expression in heart tissues. Administration of miR-98-agomir also showed decreased infarct size and improved cardiac function. Collectively, miR-98 is downregulated in the MI heart and NRVCs in response to H2O2 stress, and miR-98 overexpression protects cardiomyocytes against apoptosis. Anti-apoptotic effects of miR-98 are associated with regulation of Fas/Caspase-3 apoptotic signal pathway.
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96
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Stanley-Hasnain S, Hauck L, Grothe D, Aschar-Sobbi R, Beca S, Butany J, Backx PH, Mak TW, Billia F. p53 and Mdm2 act synergistically to maintain cardiac homeostasis and mediate cardiomyocyte cell cycle arrest through a network of microRNAs. Cell Cycle 2017; 16:1585-1600. [PMID: 28745540 PMCID: PMC5587026 DOI: 10.1080/15384101.2017.1346758] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 06/07/2017] [Accepted: 06/21/2017] [Indexed: 01/07/2023] Open
Abstract
Defining the roadblocks responsible for cell cycle arrest in adult cardiomyocytes lies at the core of developing cardiac regenerative therapies. p53 and Mdm2 are crucial mediators of cell cycle arrest in proliferative cell types, however, little is known about their function in regulating homeostasis and proliferation in terminally differentiated cell types, like cardiomyocytes. To explore this, we generated a cardiac-specific conditional deletion of p53 and Mdm2 (DKO) in adult mice. Herein we describe the development of a dilated cardiomyopathy, in the absence of cardiac hypertrophy. In addition, DKO hearts exhibited a significant increase in cardiomyocyte proliferation. Further evaluation showed that proliferation was mediated by a significant increase in Cdk2 and cyclin E with downregulation of p21Cip1 and p27Kip1. Comparison of miRNA expression profiles from DKO mouse hearts and controls revealed 11 miRNAs that were downregulated in the DKO hearts and enriched for mRNA targets involved in cell cycle regulation. Knockdown of these miRNAs in neonatal rat cardiomyocytes significantly increased cytokinesis with an upregulation in the expression of crucial cell cycle regulators. These results illustrate the importance of the cooperative activities of p53 and Mdm2 in a network of miRNAs that function to impose a barrier against aberrant cardiomyocyte cell cycle re-entry to maintain cardiac homeostasis.
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Affiliation(s)
- Shanna Stanley-Hasnain
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
- Toronto General Research Institute, Toronto, Ontario, Canada
| | - Ludger Hauck
- Toronto General Research Institute, Toronto, Ontario, Canada
| | - Daniela Grothe
- Toronto General Research Institute, Toronto, Ontario, Canada
| | | | - Sanja Beca
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
| | - Jagdish Butany
- Department of Pathology, University Health Network, Toronto, Ontario, Canada
| | - Peter H. Backx
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
- Department of Biology, York University, Toronto, Ontario, Canada
- Heart and Stroke Richard Lewar Centre of Excellence, University of Toronto, Toronto, Ontario, Canada
| | - Tak W. Mak
- Campbell Family Cancer Research Institute, Princess Margaret Hospital, Toronto, Ontario, Canada
| | - Filio Billia
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
- Toronto General Research Institute, Toronto, Ontario, Canada
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada
- Heart and Stroke Richard Lewar Centre of Excellence, University of Toronto, Toronto, Ontario, Canada
- Division of Cardiology and Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada
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97
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Downregulation of miR-214-3p May Contribute to Pathogenesis of Ulcerative Colitis via Targeting STAT6. BIOMED RESEARCH INTERNATIONAL 2017; 2017:8524972. [PMID: 28752100 PMCID: PMC5511677 DOI: 10.1155/2017/8524972] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 04/30/2017] [Accepted: 05/30/2017] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRs) are small noncoding RNA molecules and recently have demonstrated that altered expression and functions are their tight association with ulcerative colitis (UC). Previous microarray study reported that miR-214 was downregulated in the sigmoid colon of patients with active UC, but the roles of miR-214 in the pathogenesis of UC remain to be elucidated. In this study, significant lower level of miR-214-3p and higher level of STAT6 in the intestinal mucosa of active UC patients compared with the health controls were confirmed by quantitative real-time PCR. Results of luciferase reporter assays and western blot demonstrated that miR-214-3p directly targets STAT6 and negatively regulates the expression of STAT6 at the posttranscriptional level. Furthermore, the expression of miR-214-3p was decreased in TNF-α treated HT29 cells and STAT6 protein level was increased in a time-dependent manner. Silenced STAT6 and upregulation of miR-214-3p could decrease the level of INF-γ in TNF-α treated HT29 cells. Additionally, the results of the present study indicate that miR-214-3p and STAT6 axis may be a novel therapeutic target for intestinal inflammation of patients with active UC.
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98
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Wu T, Wu HD, Xu ZX, Han F, Zhang BQ, Sun J, Hu SJ. Abnormal expression of long non-coding RNAs in myocardial infarction. Heart Vessels 2017; 32:1253-1261. [PMID: 28536831 DOI: 10.1007/s00380-017-0990-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Accepted: 05/12/2017] [Indexed: 01/21/2023]
Abstract
Myocardial infarction (MI) is the leading cause of fatality worldwide. Our study aimed to investigate the dysregulated long non-coding RNA (lncRNA) in MI and elucidate the mechanism of it in MI. The lncRNA and mRNA expression profiling of the whole left ventricular tissue of MI mice model (8 mice) and Sham group (8 mice) was obtained based on microarray analysis. Differentially expressed lnRNAs/mRNA (DELs/DEMs) were identified in MI. DELs/DEMs co-expression network construction, gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis were conducted to predict the biological functions of DEMs. Quantitative real-time polymerase chain reaction (qRT-PCR) was subjected to validate the abnormally expressed DELs in left ventricular tissues of MI mice model. Total of 168 DELs (37 up- and 131 down-regulated) and 126 DEMs (87 up- and 39 down-regulated) were identified in MI compared with Sham group. The co-expression network of candidate DELs and DEMs was constructed, which covered 219 nodes and 1775 edges. The qRT-PCR validation results indicated that ENSMUST00000124047 was significantly down-regulated in MI group and AK166279 was significantly up-regulated in MI group. ENSMUST00000121611 and NR_015515 had the up-regulated tendency in MI group compared with Sham group. The DEMs in MI were significantly enriched in 41 signaling pathways including complement and coagulation cascades, cytokine-cytokine receptor interaction and chemokine signaling pathway. The expression profiling of dysregulated DELs in MI was identified. Our results might provide useful information for exploring the pathogenesis mechanism of MI.
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Affiliation(s)
- Tao Wu
- Hangzhou JunKangYiDe Hospital, No.26 North Xueyuan Road, Hangzhou, 310011, Zhejiang Province, People's Republic of China
| | - Huan-Dong Wu
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79, Qingchun Road, ShangCheng District, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - Zao-Xian Xu
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79, Qingchun Road, ShangCheng District, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - Fei Han
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79, Qingchun Road, ShangCheng District, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - Bi-Qi Zhang
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79, Qingchun Road, ShangCheng District, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - Jian Sun
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79, Qingchun Road, ShangCheng District, Hangzhou, 310003, Zhejiang Province, People's Republic of China
| | - Shen-Jiang Hu
- Department of Cardiology, The First Affiliated Hospital, School of Medicine, Zhejiang University, No. 79, Qingchun Road, ShangCheng District, Hangzhou, 310003, Zhejiang Province, People's Republic of China.
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99
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Verjans R, van Bilsen M, Schroen B. MiRNA Deregulation in Cardiac Aging and Associated Disorders. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2017; 334:207-263. [PMID: 28838539 DOI: 10.1016/bs.ircmb.2017.03.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The prevalence of age-related diseases is increasing dramatically, among which cardiac disease represents the leading cause of death. Aging of the heart is characterized by various molecular and cellular hallmarks impairing both cardiomyocytes and noncardiomyocytes, and resulting in functional deteriorations of the cardiac system. The aging process includes desensitization of β-adrenergic receptor (βAR)-signaling and decreased calcium handling, altered growth signaling and cardiac hypertrophy, mitochondrial dysfunction and impaired autophagy, increased programmed cell death, low-grade inflammation of noncanonical inflammatory cells, and increased ECM deposition. MiRNAs play a fundamental role in regulating the processes underlying these detrimental changes in the cardiac system, indicating that MiRNAs are crucially involved in aging. Among others, MiR-34, MiR-146a, and members of the MiR-17-92 cluster, are deregulated during senescence and drive cardiac aging processes. It is therefore suggested that MiRNAs form possible therapeutic targets to stabilize the aged failing myocardium.
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Affiliation(s)
- Robin Verjans
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Marc van Bilsen
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Blanche Schroen
- Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands.
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100
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Sun T, Dong YH, Du W, Shi CY, Wang K, Tariq MA, Wang JX, Li PF. The Role of MicroRNAs in Myocardial Infarction: From Molecular Mechanism to Clinical Application. Int J Mol Sci 2017; 18:ijms18040745. [PMID: 28362341 PMCID: PMC5412330 DOI: 10.3390/ijms18040745] [Citation(s) in RCA: 122] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 03/22/2017] [Accepted: 03/27/2017] [Indexed: 12/21/2022] Open
Abstract
MicroRNAs (miRNAs) are a class of small single-stranded and highly conserved non-coding RNAs, which are closely linked to cardiac disorders such as myocardial infarction (MI), cardiomyocyte hypertrophy, and heart failure. A growing number of studies have demonstrated that miRNAs determine the fate of the heart by regulating cardiac cell death and regeneration after MI. A deep understanding of the pathophysiology of miRNA dependent regulatory pathways in these processes is required. The role of miRNAs as diagnostic, prognostic, and therapeutic targets also needs to be explored in order to utilize them in clinical settings. This review summarizes the role of miRNAs in myocardial infarction and focuses mainly on their influence on cardiomyocyte regeneration and cell death including apoptosis, necrosis, and autophagy. In addition, the targets of pro- and anti-MI miRNAs are comparatively described. In particular, the possibilities of miRNA-based diagnostic and therapeutic strategies for myocardial infarction are discussed in this review.
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Affiliation(s)
- Teng Sun
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Yan-Han Dong
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Wei Du
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Chun-Ying Shi
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Kun Wang
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Muhammad-Akram Tariq
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Jian-Xun Wang
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
| | - Pei-Feng Li
- Institute for Translational Medicine, Qingdao University, Qingdao 266021, China.
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