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Sun J, Ge Y, Chao T, Bai R, Wang C. The Role of miRNA in the Regulation of Angiogenesis in Ischemic Heart Disease. Curr Probl Cardiol 2023; 48:101637. [PMID: 36773949 DOI: 10.1016/j.cpcardiol.2023.101637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 02/04/2023] [Indexed: 02/12/2023]
Abstract
Despite continued improvements in primary prevention and treatment, ischemic heart disease (IHD) is the most common cause of mortality in both developing and developed countries. Promoting angiogenesis and reconstructing vascular network in ischemic myocardium are critical process of postischemic tissue repair. Effective strategies to promote survival and avoid apoptosis of endothelial cells in the ischemic myocardium can help to achieve long-term cardiac angiogenesis. Therefore, it is of great importance to investigate the molecular pathophysiology of angiogenesis in-depth and to find the key targets that promote angiogenesis. Recently years, many studies have found that microRNAs play important regulatory roles in almost all process of angiogenesis, including vascular sprouting, proliferation, survival and migration of vascular endothelial cells, recruitment of vascular progenitor cells, and control of angiopoietin expression. This review presents detailed information about the regulatory role of miRNAs in the angiogenesis of IHD in recent years, and provides new therapeutic ideas for the treatment of IHD.
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Affiliation(s)
- Jinghui Sun
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yaru Ge
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Tiantian Chao
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ruina Bai
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Chenglong Wang
- National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
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2
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Yazgili AS, Ebstein F, Meiners S. The Proteasome Activator PA200/PSME4: An Emerging New Player in Health and Disease. Biomolecules 2022; 12:biom12081150. [PMID: 36009043 PMCID: PMC9406137 DOI: 10.3390/biom12081150] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/24/2022] Open
Abstract
Proteasomes comprise a family of proteasomal complexes essential for maintaining protein homeostasis. Accordingly, proteasomes represent promising therapeutic targets in multiple human diseases. Several proteasome inhibitors are approved for treating hematological cancers. However, their side effects impede their efficacy and broader therapeutic applications. Therefore, understanding the biology of the different proteasome complexes present in the cell is crucial for developing tailor-made inhibitors against specific proteasome complexes. Here, we will discuss the structure, biology, and function of the alternative Proteasome Activator 200 (PA200), also known as PSME4, and summarize the current evidence for its dysregulation in different human diseases. We hereby aim to stimulate research on this enigmatic proteasome regulator that has the potential to serve as a therapeutic target in cancer.
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Affiliation(s)
- Ayse Seda Yazgili
- Comprehensive Pneumology Center (CPC), Helmholtz Center Munich, Max-Lebsche Platz 31, 81377 Munich, Germany
| | - Frédéric Ebstein
- Institut für Medizinische Biochemie und Molekularbiologie (IMBM), Universitätsmedizin Greifswald, Ferdinand-Sauerbruch-Straße, Klinikum DZ/7, 17475 Greifswald, Germany
| | - Silke Meiners
- Research Center Borstel/Leibniz Lung Center, Parkallee 1-40, 23845 Borstel, Germany
- Airway Research Center North (ARCN), German Center for Lung Research (DZL), 23845 Sülfeld, Germany
- Institute of Experimental Medicine, Christian-Albrechts University Kiel, 24118 Kiel, Germany
- Correspondence: ; Tel.: +49-4537-188-58
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miRNA-29 aggravates myocardial infarction via inhibiting the PI3K/mTOR/HIF1α/VEGF pathway. Aging (Albany NY) 2022; 14:3129-3142. [PMID: 35378513 PMCID: PMC9037277 DOI: 10.18632/aging.203997] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 02/28/2022] [Indexed: 11/25/2022]
Abstract
Introduction: MI is defined by the presence of myocardial necrosis, which is caused by acute and persistent ischemia and hypoxia of the coronary artery. In recent years, its incidence rate has been on the rise in China. Methods: GSE34198, GSE97320 and GSE141512 datasets were download for DEG analysis. KEGG pathway analysis, GO analysis, GSEA and PPI network construction were performed. Later, target genes of candidate miRNAs were predicted. Next, echocardiography was conducted to detect the effects of miR-29 on left ventricular structure and cardiac function in vivo, and H&E staining was adopted to study the effects of miR-29 on angiogenesis and fibrosis in vivo. Furthermore, Western blotting was employed to investigate the effects of miR-29 inhibition on the expressions of proteins related to the PI3K\mTOR\ HIF-1α\VEGF pathway. Results: There were 162 DEGs involved in MI. GO analysis revealed that inflammatory responses, negative regulation of apoptosis and innate immune response were the main enriched biological processes. KEGG analysis manifested that DEGs were mainly enriched in the PI3K/Akt signaling pathway, and GSEA demonstrated that they were mainly enriched in the PI3K/Akt/mTOR, HIF and VEGF pathways. Moreover, target gene prediction showed that miR-29 was lowly expressed in MI. According to Masson's trichrome staining, miR-29 inhibition promoted angiogenesis, reduced fibrosis, and increased the protein expressions of p-PI3K, p-mTOR, HIF-1α, and VEGF. Conclusions: MiR-29 may play an important role in the growth and development of MI. After inhibition of miR-29, the PI3K/mTOR/HIF-1α/VEGF pathway is activated to alleviate MI.
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Hosseinzadeh A, Mehrzadi S, Rezaei M, Badavi M, Nesari A, Goudarzi M. Lovastatin attenuates glyoxal-induced toxicity on rat liver mitochondria. Hum Exp Toxicol 2021; 40:2215-2222. [PMID: 34165024 DOI: 10.1177/09603271211027939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Alpha-dicarbonyls such as glyoxal (GO) trigger mitochondrial dysfunction resulting in the development of different diabetic complications. The present study investigated the effects of lovastatin against GO-induced toxicity on rat liver mitochondria. The rat liver mitochondria (0.5 mg protein/mL) were treated with various concentrations of lovastatin (1, 5, 10 µM) at 37°C for 30 min and then exposed to GO (3 mM) at 37°C for 30 min. Oxidative stress markers including MDA, reactive oxygen species (ROS), glutathione (GSH) and protein carbonylation (PC) level were measured. Mitochondrial complex II activity and mitochondrial membrane potential (MMP) were assessed for evaluating mitochondrial function. Glyoxal significantly increased the level of ROS, PC and MDA. This effect was associated with the reduction of MMP, complex II activity and GSH content. Pre-treatment with lovastatin potentially reversed GO-induced mitochondrial toxicity. These results suggest that lovastatin have a protective effect against GO-induced toxicity in isolated rat liver mitochondria.
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Affiliation(s)
- A Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - S Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - M Rezaei
- Research center of Toxicology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - M Badavi
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - A Nesari
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - M Goudarzi
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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5
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Li X, Li N, Li B, Feng Y, Zhou D, Chen G. Noncoding RNAs and RNA-binding proteins in diabetic wound healing. Bioorg Med Chem Lett 2021; 50:128311. [PMID: 34438011 DOI: 10.1016/j.bmcl.2021.128311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 08/02/2021] [Accepted: 08/04/2021] [Indexed: 12/15/2022]
Abstract
Poor wound healing is a common complication in diabetic patients. It often leads to intractable infections and lower limb amputations and is associated with cardiovascular morbidity and mortality. NcRNAs, which can regulate gene expression, have emerged as important regulators of various physiological processes. Herein, we summarize the diverse roles of ncRNAs in the key stages of diabetic wound healing, including inflammation, angiogenesis, re-epithelialization, and extracellular matrix remodeling. Meanwhile, the potential use of ncRNAs as novel therapeutic targets for wound healing in diabetic patients is also discussed. In addition, we summarize the role of RNA-binding proteins (RBPs) in the regulation of gene expression and signaling pathways during skin repair, which may provide opportunities for therapeutic intervention for this potentially devastating disease. However, so far, research on the modulated drug based on ncRNAs that lead to significantly altered gene expression in diabetic patients is scarce. We have compiled some drugs that may be able to modulate ncRNAs, which significantly regulate the gene expression in diabetic patients.
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Affiliation(s)
- Xue Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Ning Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Bingxin Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Yuan Feng
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Di Zhou
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China.
| | - Gang Chen
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, People's Republic of China; Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, People's Republic of China.
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Yan ZS, Zhang NC, Li K, Sun HX, Dai XM, Liu GL. Upregulation of long non-coding RNA myocardial infarction-associated transcription is correlated with coronary artery stenosis and elevated inflammation in patients with coronary atherosclerotic heart disease. Kaohsiung J Med Sci 2021; 37:1038-1047. [PMID: 34558803 DOI: 10.1002/kjm2.12444] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 06/23/2021] [Accepted: 07/11/2021] [Indexed: 12/18/2022] Open
Abstract
Coronary atherosclerotic heart disease (CAD) is a chronic disease caused by multiple risk factors. Aberrant expression of long non-coding RNAs (lncRNAs) has been regarded as an independent risk factor of CAD. This study evaluated lncRNA myocardial infarction-associated transcription (MIAT) expression in CAD patients and its clinical significance. Totally, 155 CAD patients and 76 non-CAD controls were enrolled. MIAT expression was detected using reverse transcription quantitative polymerase chain reaction. The clinical diagnostic significance of MIAT was evaluated by plotting the receiver operating characteristic (ROC) curve. The levels of inflammatory cytokines were detected using enzyme-linked immunosorbent assay. microRNA (miR)-29b-3p expression and pregnancy-associated plasma protein A (PAPPA) level were detected. MIAT expression in CAD patients (4.23 [1.22-6.50]) was higher than that in non-CAD controls (1.64 [0.05-2.93]) (p < 0.01) and had an independent correlation with CAD. The area under ROC curve of predicting CAD was calculated as 0.790, the specificity as 71.40%, and the sensitivity as 70.00%. MIAT expression was positively correlated with the C-reactive protein level (r = 0.769, p < 0.0001) and pro-inflammatory cytokines tumor necrosis factor-α (TNF-α), interleukin 6 (IL-6), and IL-8 levels, while negatively correlated with the anti-inflammatory cytokine IL-10. MIAT was positively correlated with Gensini score and had an independent correlation with it. LncRNA MIAT sponged miR-29b-3p and miR-29b-3p targeted PAPPA. In conclusion, lncRNA MIAT was upregulated in the peripheral blood of CAD patients and elicited clinical diagnostic significance. MIAT participated in the development of CAD via miR-29b-3p/PAPPA axis. This study provides insights into a potential target for the diagnosis and treatment of CAD.
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Affiliation(s)
- Zhi-Sheng Yan
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Nian-Cai Zhang
- Cardiovascular Surgery Intensive Care Unit, Qingdao Municipal Hospital, Qingdao, China
| | - Kun Li
- Intensive Care Unit, The Affiliated Hospital of Qingdao Binhai University, Qingdao, China
| | - Hai-Xia Sun
- Healthcare Clinic, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiao-Mei Dai
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Gao-Li Liu
- Department of Cardiovascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
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7
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Fu CN, Song JW, Song ZP, Wang QW, Bai WW, Guo T, Li P, Liu C, Wang SX, Dong B. Excessive expression of miR-1a by statin causes skeletal injury through targeting mitogen-activated protein kinase kinase kinase 1. Aging (Albany NY) 2021; 13:11470-11490. [PMID: 33864447 PMCID: PMC8109097 DOI: 10.18632/aging.202839] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 02/16/2021] [Indexed: 12/17/2022]
Abstract
Backgrounds: A major side effect of statin, a widely used drug to treat hyperlipidemia, is skeletal myopathy through cell apoptosis. The aim of this study is to investigate the roles of microRNA in statin-induced injury. Methods: Apolipoprotein E knockout (ApoE-/-) mice were administered with simvastatin (20 mg/kg/day) for 8 weeks. Exercise capacity was evaluated by hanging grid test, forelimb grip strength, and running tolerance test. Results: In cultured skeletal muscle cells, statin increased the levels of miR-1a but decreased the levels of mitogen-activated protein kinase kinase kinase 1 (MAP3K1) in a time or dose dependent manner. Both computational target-scan analysis and luciferase gene reporter assay indicated that MAP3K1 is the target gene of miR-1a. Statin induced cell apoptosis of skeletal muscle cells, but abolished by downregulating of miR-1a or upregulation of MAP3K1. Further, the effects of miR-1a inhibition on statin-induced cell apoptosis were ablated by MAP3K1 siRNA. In ApoE-/- mice, statin induced cell apoptosis of skeletal muscle cells and decreased exercise capacity in mice infected with vector, but not in mice with lentivirus-mediated miR-1a gene silence. Conclusion: Statin causes skeletal injury through induction of miR-1a excessive expression to decrease MAP3K1 gene expression.
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Affiliation(s)
- Chang-Ning Fu
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Cardiology, Shandong Provincial Hospital, Shandong University, Jinan, China
| | - Jia-Wen Song
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhi-Peng Song
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qian-Wen Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Wen-Wu Bai
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Tao Guo
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Peng Li
- Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, School of Pharmacy, Xinxiang Medical University, Xinxiang, China
| | - Chao Liu
- Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, China
| | - Shuang-Xi Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Henan International Joint Laboratory of Cardiovascular Remodeling and Drug Intervention, School of Pharmacy, Xinxiang Medical University, Xinxiang, China.,Hubei Key Laboratory of Diabetes and Angiopathy, Hubei University of Science and Technology, Xianning, China
| | - Bo Dong
- Department of Cardiology, Shandong Provincial Hospital, Shandong University, Jinan, China
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Li Y, Zhang YX, Ning DS, Chen J, Li SX, Mo ZW, Peng YM, He SH, Chen YT, Zheng CJ, Gao JJ, Yuan HX, Ou JS, Ou ZJ. Simvastatin inhibits POVPC-mediated induction of endothelial-to-mesenchymal cell transition. J Lipid Res 2021; 62:100066. [PMID: 33711324 PMCID: PMC8063863 DOI: 10.1016/j.jlr.2021.100066] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 02/22/2021] [Accepted: 03/05/2021] [Indexed: 11/16/2022] Open
Abstract
Endothelial-to-mesenchymal transition (EndMT), the process by which an endothelial cell (EC) undergoes a series of molecular events that result in a mesenchymal cell phenotype, plays an important role in atherosclerosis. 1-Palmitoyl-2-(5-oxovaleroyl)-sn-glycero-3-phosphocholine (POVPC), derived from the oxidation of 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphatidylcholine, is a proinflammatory lipid found in atherosclerotic lesions. Whether POVPC promotes EndMT and how simvastatin influences POVPC-mediated EndMT remains unclear. Here, we treated human umbilical vein ECs with POVPC, simvastatin, or both, and determined their effect on EC viability, morphology, tube formation, proliferation, and generation of NO and superoxide anion (O2•-). Expression of specific endothelial and mesenchymal markers was detected by immunofluorescence and immunoblotting. POVPC did not affect EC viability but altered cellular morphology from cobblestone-like ECs to a spindle-like mesenchymal cell morphology. POVPC increased O2- generation and expression of alpha-smooth muscle actin, vimentin, Snail-1, Twist-1, transforming growth factor-beta (TGF-β), TGF-β receptor II, p-Smad2/3, and Smad2/3. POVPC also decreased NO production and expression of CD31 and endothelial NO synthase. Simvastatin inhibited POVPC-mediated effects on cellular morphology, production of O2•- and NO, and expression of specific endothelial and mesenchymal markers. These data demonstrate that POVPC induces EndMT by increasing oxidative stress, which stimulates TGF-β/Smad signaling, leading to Snail-1 and Twist-1 activation. Simvastatin inhibited POVPC-induced EndMT by decreasing oxidative stress, suppressing TGF-β/Smad signaling, and inactivating Snail-1 and Twist-1. Our findings reveal a novel mechanism of atherosclerosis that can be inhibited by simvastatin.
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Affiliation(s)
- Yan Li
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Yi-Xin Zhang
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Da-Sheng Ning
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Jing Chen
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; Division of Hypertension and Vascular Diseases, Department of Cardiology, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Shang-Xuan Li
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Zhi-Wei Mo
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Yue-Ming Peng
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Shi-Hui He
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Ya-Ting Chen
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Chun-Juan Zheng
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Jian-Jun Gao
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Hao-Xiang Yuan
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China
| | - Jing-Song Ou
- Division of Cardiac Surgery, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China; National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; Guangdong Provincial Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, People's Republic of China.
| | - Zhi-Jun Ou
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; NHC key Laboratory of Assisted Circulation (Sun Yat-sen University), Guangzhou, People's Republic of China; Guangdong Provincial Engineering and Technology Center for Diagnosis and Treatment of Vascular Diseases, Guangzhou, People's Republic of China; Division of Hypertension and Vascular Diseases, Department of Cardiology, Heart Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.
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9
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Herrero-Aguayo V, Jiménez-Vacas JM, Sáez-Martínez P, Gómez-Gómez E, López-Cánovas JL, Garrido-Sánchez L, Herrera-Martínez AD, García-Bermejo L, Macías-González M, López-Miranda J, Castaño JP, Gahete MD, Luque RM. Influence of Obesity in the miRNome: miR-4454, a Key Regulator of Insulin Response Via Splicing Modulation in Prostate. J Clin Endocrinol Metab 2021; 106:e469-e484. [PMID: 32841353 DOI: 10.1210/clinem/dgaa580] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Indexed: 12/12/2022]
Abstract
CONTEXT Obesity is a major health problem associated with severe comorbidities, including type 2 diabetes and cancer, wherein microRNAs (miRNAs) might be useful as diagnostic/prognostic tools or therapeutic targets. OBJECTIVE To explore the differential expression pattern of miRNAs in obesity and their putative role in obesity-related comorbidities such as insulin resistance. METHODS An Affymetrix-miRNA array was performed in plasma samples from normoweight (n = 4/body mass index < 25) and obese subjects (n = 4/body mass index > 30). The main changes were validated in 2 independent cohorts (n = 221/n = 18). Additionally, in silico approaches were performed and in vitro assays applied in tissue samples and prostate (RWPE-1) and liver (HepG2) cell-lines. RESULTS A total of 26 microRNAs were altered (P < 0.01) in plasma of obese subjects compared to controls using the Affymetrix-miRNA array. Validation in ampler cohorts revealed that miR-4454 levels were consistently higher in obesity, associated with insulin-resistance (Homeostatic Model Assessment of Insulin Resistance/insulin) and modulated by medical (metformin/statins) and surgical (bariatric surgery) strategies. miR-4454 was highly expressed in prostate and liver tissues and its expression was increased in prostate and liver cells by insulin. In vitro, overexpression of miR-4454 in prostate cells resulted in decreased expression levels of INSR, GLUT4, and phosphorylation of AMPK/AKT/ERK, as well as in altered expression of key spliceosome components (ESRP1/ESRP2/RBM45/RNU2) and insulin-receptor splicing variants. CONCLUSIONS Obesity was associated to an alteration of the plasmatic miRNA landscape, wherein miR-4454 levels were higher, associated with insulin-resistance and modulated by obesity-controlling interventions. Insulin regulated miR-4454, which, in turn may impair the cellular response to insulin, in a cell type-dependent manner (i.e., prostate gland), by modulating the splicing process.
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Affiliation(s)
- Vicente Herrero-Aguayo
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Juan M Jiménez-Vacas
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Prudencio Sáez-Martínez
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Enrique Gómez-Gómez
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Urology Service, HURS/IMIBIC, Córdoba, Spain
| | - Juan L López-Cánovas
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Lourdes Garrido-Sánchez
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
- Unidad de Gestión Clínica y Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Complejo Hospitalario de Málaga (Virgen de la Victoria), Universidad de Málaga, Málaga, Spain
| | - Aura D Herrera-Martínez
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Service of Endocrinology and Nutrition, Córdoba, Spain
| | | | - Manuel Macías-González
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
- Unidad de Gestión Clínica y Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Complejo Hospitalario de Málaga (Virgen de la Victoria), Universidad de Málaga, Málaga, Spain
| | - José López-Miranda
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Lipids and Atherosclerosis Unit, Reina Sofia University Hospital, Córdoba, Spain
| | - Justo P Castaño
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Manuel D Gahete
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
| | - Raúl M Luque
- Maimonides Institute for Biomedical Research of Córdoba (IMIBIC), Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía (HURS), Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERobn), Madrid, Spain
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10
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Mohammadzadeh N, Montecucco F, Carbone F, Xu S, Al-Rasadi K, Sahebkar A. Statins: Epidrugs with effects on endothelial health? Eur J Clin Invest 2020; 50:e13388. [PMID: 32854143 DOI: 10.1111/eci.13388] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/13/2020] [Accepted: 08/15/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Epigenetic events involving the methylation of CpG cites in DNA, histone modifications and noncoding RNAs correlated with many essential processes in human cells and diseases, such as cancer and cardiovascular diseases. HMG-CoA reductase inhibitors (statins)-the LDL cholesterol-lowering drugs-are broadly used in cardio- and cerebro-vascular diseases. It is well established that statins exert pleiotropic functions, but how they exert effects on epigenetic modifications independently of HMG-CoA reductase inhibition is not yet clear. Thereby, understanding these mechanisms may pave the way for further clinical application of statin therapy. DESIGN Following and electronic database search, studies reporting substantial effects of statins on epigenetic reprogramming in both cultured cells and in vivo models were retrieved and reviewed. RESULTS Epigenetic mechanisms play an essential role in cellular development and function, and data collected in the past few years have revealed that many of the pleiotropic properties of statins are mediated by epigenetic mechanisms. Furthermore, those 'nonclassical' effects are not limited to CV field but they would extend to other conditions such as malignancies. CONCLUSION This review suggests that the epigenetic effects of statins mediate, at least in part, the pleiotropic actions of these drugs but further validation of such effects in clinical studies is yet to be provided.
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Affiliation(s)
| | - Fabrizio Montecucco
- IRCCS Ospedale Policlinico San Martino Genoa - Italian Cardiovascular Network, Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Federico Carbone
- IRCCS Ospedale Policlinico San Martino Genoa - Italian Cardiovascular Network, Genoa, Italy.,First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Suowen Xu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | | | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland
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11
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Hu J, Wang J, Gan QX, Ran Q, Lou GH, Xiong HJ, Peng CY, Sun JL, Yao RC, Huang QW. Impact of Red Yeast Rice on Metabolic Diseases: A Review of Possible Mechanisms of Action. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:10441-10455. [PMID: 32854499 DOI: 10.1021/acs.jafc.0c01893] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Metabolic diseases constitute a major public health burden and are linked with high morbidity and mortality. They comprise atherosclerosis dyslipidemia, diabetes, hypertension, and obesity. However, there is no single drug that can simultaneously treat multiple diseases with complex underlying mechanisms. Therefore, it is necessary to identify a class of adjuvant drugs that block the development of metabolic diseases from a preventive perspective. Red yeast rice is a food fermentation product widely used to promote blood circulation and remove blood stasis. Modern pharmacology has shown that red yeast rice exerts potential protective effects on the liver, pancreas, blood vessels, and intestines. Therefore, this study was carried out to analyze and summarize the effect of red yeast rice on several metabolic diseases and the mechanisms of action involved. It was found that red yeast rice may be beneficial in the prevention and treatment of metabolic diseases.
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Affiliation(s)
- Ju Hu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Jin Wang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Qing-Xia Gan
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Qian Ran
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Guan-Hua Lou
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Hai-Jun Xiong
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Cheng-Yi Peng
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
| | - Ji-Lin Sun
- Sichuan Fuzheng Pharmaceutical Company, Limited, Chengdu, Sichuan 610041, People's Republic of China
| | - Ren-Chuan Yao
- Sichuan Fermentation Traditional Chinese Medicine Engineering Research Center, Chengdu, Sichuan 611130, People's Republic of China
| | - Qin-Wan Huang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, People's Republic of China
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12
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Douida A, Batista F, Robaszkiewicz A, Boto P, Aladdin A, Szenykiv M, Czinege R, Virág L, Tar K. The proteasome activator PA200 regulates expression of genes involved in cell survival upon selective mitochondrial inhibition in neuroblastoma cells. J Cell Mol Med 2020; 24:6716-6730. [PMID: 32368861 PMCID: PMC7299700 DOI: 10.1111/jcmm.15323] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 01/15/2020] [Accepted: 04/08/2020] [Indexed: 12/22/2022] Open
Abstract
The conserved Blm10/PA200 activators bind to the proteasome core and facilitate peptide and protein turnover. Blm10/PA200 proteins enhance proteasome peptidase activity and accelerate the degradation of unstructured proteasome substrates. Our knowledge about the exact role of PA200 in diseased cells, however, is still limited. Here, we show that stable knockdown of PA200 leads to a significantly elevated number of cells in S phase after treatment with the ATP synthase inhibitor, oligomycin. However, following exposure to the complex I inhibitor rotenone, more PA200‐depleted cells were in sub‐G1 and G2/M phases indicative of apoptosis. Chromatin immunoprecipitation (ChIP) and ChIP‐seq data analysis of collected reads indicate PA200‐enriched regions in the genome of SH‐SY5Y. We found that PA200 protein peaks were in the vicinity of transcription start sites. Gene ontology annotation revealed that genes whose promoters were enriched upon anti‐PA200 ChIP contribute to the regulation of crucial intracellular processes, including proliferation, protein modifications and metabolism. Selective mitochondrial inhibitors induced PA200 redistribution in the genome, leading to protein withdrawal from some gene promoters and binding to others. Collectively, the results support a model in which PA200 potentially regulates cellular homeostasis at the transcriptional level, in addition to its described role as an alternative activator of the proteasome.
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Affiliation(s)
- Abdennour Douida
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,University of Debrecen, Doctoral School of Molecular Medicine, Debrecen, Hungary
| | - Frank Batista
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Agnieszka Robaszkiewicz
- Department of General Biophysics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Pal Boto
- Stem Cell Differentiation Laboratory, Department of Biochemistry and Molecular Biology, University of Debrecen, Debrecen, Hungary
| | - Azzam Aladdin
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.,University of Debrecen, Doctoral School of Molecular Medicine, Debrecen, Hungary
| | - Mónika Szenykiv
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Rita Czinege
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - László Virág
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Krisztina Tar
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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13
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Wang X, Meul T, Meiners S. Exploring the proteasome system: A novel concept of proteasome inhibition and regulation. Pharmacol Ther 2020; 211:107526. [PMID: 32173559 DOI: 10.1016/j.pharmthera.2020.107526] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 03/08/2020] [Indexed: 12/13/2022]
Abstract
The proteasome is a well-identified therapeutic target for cancer treatment. It acts as the main protein degradation system in the cell and degrades key mediators of cell growth, survival and function. The term "proteasome" embraces a whole family of distinct complexes, which share a common proteolytic core, the 20S proteasome, but differ by their attached proteasome activators. Each of these proteasome complexes plays specific roles in the control of cellular function. In addition, distinct proteasome interacting proteins regulate proteasome activity in subcellular compartments and in response to cellular signals. Proteasome activators and regulators may thus serve as building blocks to fine-tune proteasome function in the cell according to cellular needs. Inhibitors of the proteasome, e.g. the FDA approved drugs Velcade™, Kyprolis™, Ninlaro™, inactivate the catalytic 20S core and effectively block protein degradation of all proteasome complexes in the cell resulting in inhibition of cell growth and induction of apoptosis. Efficacy of these inhibitors, however, is hampered by their pronounced cytotoxic side-effects as well as by the emerging development of resistance to catalytic proteasome inhibitors. Targeted inhibition of distinct buiding blocks of the proteasome system, i.e. proteasome activators or regulators, represents an alternative strategy to overcome these limitations. In this review, we stress the importance of the diversity of the proteasome complexes constituting an entire proteasome system. Our building block concept provides a rationale for the defined targeting of distinct proteasome super-complexes in disease. We thereby aim to stimulate the development of innovative therapeutic approaches beyond broad catalytic proteasome inhibition.
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Affiliation(s)
- Xinyuan Wang
- Comprehensive Pneumology Center (CPC), University Hospital of the Ludwig-Maximilians-University (LMU) and Helmholtz Zentrum München, German Center for Lung Research (DZL), 81377 Munich, Germany
| | - Thomas Meul
- Comprehensive Pneumology Center (CPC), University Hospital of the Ludwig-Maximilians-University (LMU) and Helmholtz Zentrum München, German Center for Lung Research (DZL), 81377 Munich, Germany
| | - Silke Meiners
- Comprehensive Pneumology Center (CPC), University Hospital of the Ludwig-Maximilians-University (LMU) and Helmholtz Zentrum München, German Center for Lung Research (DZL), 81377 Munich, Germany.
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14
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Coux O, Zieba BA, Meiners S. The Proteasome System in Health and Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1233:55-100. [DOI: 10.1007/978-3-030-38266-7_3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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15
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Mukhopadhyay D, Hammami M, Khalouf A, Shaikh YA, Mohammed AK, Hamad M, Salehi A, Taneera J. Dimethyloxalylglycine (DMOG) and the Caspase Inhibitor "Ac-LETD-CHO" Protect Neuronal ND7/23 Cells of Gluocotoxicity. Exp Clin Endocrinol Diabetes 2019; 129:420-428. [PMID: 31185507 DOI: 10.1055/a-0919-4489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
It well known that long-lasting hyperglycaemia disrupts neuronal function and leads to neuropathy and other neurodegenerative diseases. The α-ketoglutarate analogue (DMOG) and the caspase-inhibitor "Ac-LETD-CHO are potential neuroprotective molecules. Whether their protections may also extend glucotoxicity-induced neuropathy is not known. Herein, we evaluated the possible cell-protective effects of DMOG and Ac-LETD-CHO against hyperglycaemia-induced reactive oxygen species and apoptosis in ND7/23 neuronal cells. The impact of glucotoxicity on the expression of HIF-1α and a panel of micro-RNAs of significance in hyperglycaemia and apoptosis was also investigated.ND7/23 cells cultured under hyperglycaemic conditions showed decreased cell viability and elevated levels of ROS production in a dose- and time-dependent manner. However, presence DMOG (500 µM) and/or Ac-LETD-CHO (50 µM) counteracted this effect and increase cell viability concomitant with reduction in ROS production, DNA damage and apoptosis. AcLETD-CHO suppressed hyperglycaemia-induced caspase 3 activation in ND7/23 cells. Both DMOG and Ac-LETD-CHO increased HIF-1α expression paralleled with the suppression of miR-126-5p, miR-128-3p and miR-181 expression and upregulation of miR-26b, 106a-5p, 106b-5p, 135a-5p, 135b-5p, 138-5p, 199a-5p, 200a-3p and 200c-3p expression.We demonstrate a mechanistic link for the DMOG and Ac-LETD-CHO protection against hyperglycaemia-induced neuronal dysfunction, DNA damage and apoptosis and thereby propose that pharmacological agents mimicking these effects may represent a promising novel therapy for the hyperglycaemia-induced neuropathy.
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Affiliation(s)
- Debasmita Mukhopadhyay
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Mohammad Hammami
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Amani Khalouf
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Yazan Al Shaikh
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Abdul Khader Mohammed
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Mawieh Hamad
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Albert Salehi
- Department of Clinical Science, Division of Islet Cell Physiology, Lund University, Malmö, Sweden
| | - Jalal Taneera
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
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16
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Fang Q, Tian M, Wang F, Zhang Z, Du T, Wang W, Yang Y, Li X, Chen G, Xiao L, Wei H, Wang Y, Chen C, Wang DW. Amlodipine induces vasodilation via Akt2/Sp1-activated miR-21 in smooth muscle cells. Br J Pharmacol 2019; 176:2306-2320. [PMID: 30927374 DOI: 10.1111/bph.14679] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 02/15/2019] [Accepted: 03/13/2019] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND AND PURPOSE The calcium antagonist amlodipine exerts important cardioprotective effects by modulating smooth muscle and endothelial functions. However, the mechanisms underlying these effects are incompletely understood. EXPERIMENTAL APPROACH Western blotting was used to compare the expression of key genes involved in vascular smooth muscle cell (VSMC) phenotype conversion. Recombinant adeno-associated virus system was used to regulate miRNA expression in rats via tail vein. Bioinformatics was used to predict the transcriptional regulation of miR-21 upstream followed by biochemical validation using quantitative real-time polymerase chain reaction, ChIP-qPCR and EMSA assays. KEY RESULTS Only the calcium antagonist amlodipine, and no other type of anti-hypertensive drug, induced miR-21 overexpression in plasma and aortic vessels in the animal model. Real-time PCR and luciferase assays showed that amlodipine induced miR-21 overexpression in vascular smooth muscle cells. Western blot and immunofluorescence assays demonstrated that amlodipine activated Akt2, rather than Akt1, followed by activation of transcription factor Sp1, which regulated VSMC phenotype conversion via binding to the miR-21 promoter. Furthermore, bioinformatic analyses and luciferase assays demonstrated that amlodipine activated miR-21 transcription at the -2034/-2027 Sp1-binding site, which was further demonstrated by ChIP-qPCR and EMSA assays. Consistently, small-interfering RNA-mediated knockdown of Akt2 and Sp1 significantly attenuated the effects of amlodipine on miR-21 expression in smooth muscle cells. CONCLUSION AND IMPLICATIONS These results indicate that amlodipine induces smooth muscle cell differentiation via miR-21, which is regulated by p-Akt2 and Sp1 nuclear translocation, thereby providing a novel target for cardiovascular diseases.
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Affiliation(s)
- Qin Fang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Min Tian
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Feng Wang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Zhihao Zhang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Tingyi Du
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Wang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Yong Yang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xianqing Li
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Guangzhi Chen
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Xiao
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Haoran Wei
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Wang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Chen
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Dao Wen Wang
- Division of Cardiology, Department of Internal Medicine, Hubei Key Laboratory of Genetics and Molecular Mechanisms of Cardiological Disorders, Tongji Medical College, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
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Abstract
MicroRNAs (miRNA) are small non-coding RNAs (∼22 nt in length) that are known as potent master regulators of eukaryotic gene expression. miRNAs have been shown to play a critical role in cancer pathogenesis, and the misregulation of miRNAs is a well-known feature of cancer. In recent years, miR-29 has emerged as a critical miRNA in various cancers, and it has been shown to regulate multiple oncogenic processes, including epigenetics, proteostasis, metabolism, proliferation, apoptosis, metastasis, fibrosis, angiogenesis, and immunomodulation. Although miR-29 has been thoroughly documented as a tumor suppressor in the majority of studies, some controversy remains with conflicting reports of miR-29 as an oncogene. In this review, we provide a systematic overview of miR-29's functional role in various mechanisms of cancer and introspection on the contradictory roles of miR-29.
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18
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Zhang ZM, Wang BX, Ou WS, Lv YH, Li MM, Miao Z, Wang SX, Fei JC, Guo T. Administration of losartan improves aortic arterial stiffness and reduces the occurrence of acute coronary syndrome in aged patients with essential hypertension. J Cell Biochem 2018; 120:5713-5721. [PMID: 30362602 DOI: 10.1002/jcb.27856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 09/19/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUNDS AND AIMS Increased arterial stiffness may increase cardiovascular morbidity and mortality. Angiotensin II type 1 receptor blocker losartan is potentially useful in controlling the central blood pressure and arterial stiffness in mild to moderate essential hypertension, while the effects of losartan in aged patients with essential hypertension are not entirely investigated. METHODS The carotid-femoral arterial pulse wave velocity (PWV) was measured in aged patients with essential hypertension. RESULTS In a cross-sectional study, PWV value was significantly higher in these old patients with essential hypertension, compared with patients without essential hypertension. Logistic regression analysis indicated that age, hypertension duration, and losartan treatment are risk factors of arterial stiffness. In a perspective study, long-term administration of losartan (50 mg/d) remarkably reduced PWV in aged patients with essential hypertension. In a longitudinal study, PWV is an independent predictor of the occurrence of acute coronary syndrome (ACS) in elderly patients with essential hypertension by using multivariate analysis. Further, the ACS occurrence was reduced by long-term administration of losartan in aged patients with essential hypertension, compared with the old hypertensive patients without taking losartan. CONCLUSION Losartan treatment is a negative risk factor of arterial stiffness and reduces the risk of ACS in aged patients with essential hypertension.
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Affiliation(s)
- Zhi-Mian Zhang
- Department of Cardiology, The Center of Health Examination, Qilu Hospital, Shandong University, Jinan, China
| | - Bing-Xiang Wang
- Department of Orthopedics, Provincial Hospital of Shandong, Jinan, China
| | - Wen-Sheng Ou
- Department of Liver Disease, Chenzhou No.1 People s Hospital, Chenzhou, China
| | - Yan-Hong Lv
- Department of Cardiology, The Center of Health Examination, Qilu Hospital, Shandong University, Jinan, China
| | - Ming-Min Li
- Department of Cardiology, The Center of Health Examination, Qilu Hospital, Shandong University, Jinan, China
| | - Zhang Miao
- The Key Laboratory of Cardiovascular Remodeling and Function Research, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Shuang-Xi Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
| | - Jian-Chun Fei
- Department of Anaesthesia, Qilu Hospital, Shandong University, Jinan, China
| | - Tao Guo
- The Key Laboratory of Cardiovascular Remodeling and Function Research, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Department of Cardiology, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, Qilu Hospital of Shandong University, Jinan, China
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Zhu ML, Sun RL, Zhang HY, Zhao FR, Pan GP, Zhang C, Song P, Li P, Xu J, Wang S, Yin YL. Angiotensin II type 1 receptor blockers prevent aortic arterial stiffness in elderly patients with hypertension. Clin Exp Hypertens 2018; 41:657-661. [PMID: 30311805 DOI: 10.1080/10641963.2018.1529781] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Backgrounds and aims: Increased arterial stiffness may increase cardiovascular morbidity and mortality. Angiotensin II type 1 receptor blockers (ARBs) are potentially useful in controlling the central blood pressure and arterial stiffness in mild to moderate essential hypertension, while the effects of ARBs in aged patients with essential hypertension are not entirely investigated. Methods: The carotid-femoral arterial pulse wave velocity (PWV) was measured in aged patients with essential hypertension. Results: In a cross-sectional study, PWV value was significantly higher in these old patients with essential hypertension, compared to patients without essential hypertension. In correlation analysis, PWV was associated positively with age, hypertension duration, and carotid atherosclerosis. However, there was no relationship between PWV and gender in aged patients with essential hypertension. In a perspective study, 6-12 months administration of ARBs (losartan, 50 mg/day; telmisartan, 40 mg/day; valsartan 80 mg/day; irbesartan, 150 mg/day) remarkably reduced PWV in aged patients with essential hypertension. Regression analyses of multiple factors indicated that the effects of ARBs on arterial stiffness were not associated with the reduction of blood pressure. Conclusion: ARB treatment is a negative risk factor of arterial stiffness in aged patients with essential hypertension.
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Affiliation(s)
- Mo-Li Zhu
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Rui-Li Sun
- b Henan Key Laboratory of Immunology and Targeted Therapy, Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine in Henan Province, School of Laboratory Medicine, Xinxiang Medical University , Xinxiang , China
| | - He-Yun Zhang
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Fan-Rong Zhao
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Guo-Pin Pan
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Chong Zhang
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Ping Song
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Peng Li
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Jian Xu
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Shuangxi Wang
- a College of Pharmacy, Xinxiang Medical University , Xinxiang , China
| | - Ya-Ling Yin
- c School of Basic Medical Sciences, Xinxiang Medical University , Xinxiang , China
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20
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Gong YY, Luo JY, Wang L, Huang Y. MicroRNAs Regulating Reactive Oxygen Species in Cardiovascular Diseases. Antioxid Redox Signal 2018; 29:1092-1107. [PMID: 28969427 DOI: 10.1089/ars.2017.7328] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
SIGNIFICANCE Oxidative stress caused by overproduction of reactive oxygen species (ROS) in cells is one of the most important contributors to the pathogenesis of cardiovascular and metabolic diseases such as hypertension and atherosclerosis. Excessive accumulation of ROS impairs, while limiting oxidative stress protects cardiovascular and metabolic function through various cellular mechanisms. Recent Advances: MicroRNAs (miRNAs) are novel regulators of oxidative stress in cardiovascular cells that modulate the expression of redox-related genes. This article summarizes recent advances in our understanding of how miRNAs target major ROS generators, antioxidant signaling pathways, and effectors in cells of the cardiovascular system. CRITICAL ISSUES The role of miRNAs in regulating ROS in cardiovascular cells is complicated because miRNAs can target multiple redox-related genes, act on redox regulatory pathways indirectly, and display context-dependent pro- or antioxidant effects. The complex regulatory network of ROS and the plethora of targets make it difficult to pin point the role of miRNAs and develop them as therapeutics. Therefore, these properties should be considered when designing strategies for therapeutic or diagnostic development. FUTURE DIRECTIONS Future studies can gain a better understanding of redox-related miRNAs by investigating their own regulatory mechanisms and the dual role of ROS in the cardiovascular systems. The combination of improved study design and technical advancements will reveal newer pathophysiological importance of redox-related miRNAs.
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Affiliation(s)
- Yao-Yu Gong
- 1 School of Life Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China .,2 School of Biomedical Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China
| | - Jiang-Yun Luo
- 2 School of Biomedical Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China .,3 Institute of Vascular Medicine, Shenzhen Research Institute and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China
| | - Li Wang
- 2 School of Biomedical Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China .,3 Institute of Vascular Medicine, Shenzhen Research Institute and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China
| | - Yu Huang
- 2 School of Biomedical Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China .,3 Institute of Vascular Medicine, Shenzhen Research Institute and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong , Hong Kong SAR, China
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21
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Mohajeri M, Banach M, Atkin SL, Butler AE, Ruscica M, Watts GF, Sahebkar A. MicroRNAs: Novel Molecular Targets and Response Modulators of Statin Therapy. Trends Pharmacol Sci 2018; 39:967-981. [PMID: 30249403 DOI: 10.1016/j.tips.2018.09.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 08/30/2018] [Accepted: 09/06/2018] [Indexed: 12/22/2022]
Abstract
Cardiovascular disease (CVD) is a major cause of death globally. Addressing cardiovascular risk factors, particularly dyslipidemia, represents the most robust clinical strategy towards reducing the CVD burden. Statins inhibit 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase and represent the main therapeutic approach for lowering cholesterol and reducing plaque formation/rupture. The protective effects of statins extend beyond lowering cholesterol. MicroRNAs (miRNAs or miRs), small noncoding regulatory RNAs, likely mediate the positive pleiotropic effects of statins via modulation of lipid metabolism, enhancement of endothelial function, inhibition of inflammation, improvement of plaque stability, and immune regulation. miRNAs are implicated in statin-related interindividual variations in therapeutic response, directly via HMG-CoA reductase, or indirectly through targeting cytochrome P450 3A (CYP3A) functionality and proprotein convertase subtilisin/kexin type9 (PCSK9) biology.
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Affiliation(s)
- Mohammad Mohajeri
- Department of Medical Biotechnology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maciej Banach
- Department of Hypertension, WAM University Hospital Lodz, Medical University of Lodz, Zeromskiego 113, Lodz, Poland; Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland; Cardiovascular Research Centre, University of Zielona Gora, Zielona-Gora, Poland
| | | | - Alexandra E Butler
- Diabetes Research Center, Qatar Biomedical Research Institute, Education City, Doha, Qatar
| | - Massimiliano Ruscica
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Gerald F Watts
- Lipid Disorders Clinic, Department of Cardiology, Royal Perth Hospital, Australia; School of Medicine, Faculty of Health and Medical Sciences, University of Western Australia, Australia
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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22
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Yu L, Liu H. Perillaldehyde prevents the formations of atherosclerotic plaques through recoupling endothelial nitric oxide synthase. J Cell Biochem 2018; 119:10204-10215. [DOI: 10.1002/jcb.27362] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 06/26/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Li Yu
- Department of Physiology, School of Basic Medical Sciences Jinzhou Medical University Jinzhou China
- Institue of Eyes Jinzhou Medical University Jinzhou China
| | - Hua Liu
- Institue of Eyes Jinzhou Medical University Jinzhou China
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23
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Zhao Z, Hu J, Gao X, Liang H, Yu H, Liu S, Liu Z. Hyperglycemia via activation of thromboxane A2 receptor impairs the integrity and function of blood-brain barrier in microvascular endothelial cells. Oncotarget 2018; 8:30030-30038. [PMID: 28415790 PMCID: PMC5444723 DOI: 10.18632/oncotarget.16273] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 03/06/2017] [Indexed: 01/02/2023] Open
Abstract
Diabetes is one of high risk factors for cardio- and cerebra-vascular diseases, including stroke, atherosclerosis and hypertension. This study was conducted to elucidate whether and how thromboxane receptor (TPr) activation contributes to blood-brain barrier (BBB) dysfunction in diabetes. Human brain microvascular endothelial cells (HBMECs) were cultured. The levels of phosphorylated endothelial nitric oxide synthase (eNOS) at Ser1177 (p-eNOS) and Akt at Ser473 (p-Akt) were assayed by western blot. Exposure of HBMECs to either high glucose (HG) or thromboxane A2 (TxA2) mimetic U46619, significantly reduced p-eNOS and p-Akt. These effects were abolished by pharmacological or genetic inhibitors of TPr. HG/U46619-induced suppressions of eNOS and Akt phosphorylation were accompanied by upregulation of PTEN and Ser380/Thr382/383 PTEN phosphorylation. PTEN-specific siRNA restored Akt-eNOS signaling in the face of TPr activation or HG. The small GTPase, Rho, was also activated by HG stimulation, and pretreatment of HBMECs with Y27632, a Rho-associated kinase (ROCK) inhibitor, rescued HG-impaired Akt-eNOS signaling. In STZ-injected rats, we found that hyperglycemia dramatically increased the levels of PTEN and PTEN-Ser380/Thr382/383 phosphorylation, reduced both levels of p-eNOS and p-Akt, and disrupted BBB function assayed by Evans blue staining, which were abolished by SQ29548 treatment. We conclude that hyperglycemia activates thromboxane A2 receptor to impair the integrity and function of blood-brain barrier via the ROCK-PTEN-Akt-eNOS pathway.
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Affiliation(s)
- Zhihong Zhao
- Department of Neurology, The First Affiliated Hospital (People's Hospital of Hunan Province), Hunan Normal University, Changsha, Hunan, China
| | - Jue Hu
- Department of Neurology, Changsha Central Hospital, Changsha, Hunan, China
| | - Xiaoping Gao
- Department of Neurology, The First Affiliated Hospital (People's Hospital of Hunan Province), Hunan Normal University, Changsha, Hunan, China
| | - Hui Liang
- Department of Neurology, The First Affiliated Hospital (People's Hospital of Hunan Province), Hunan Normal University, Changsha, Hunan, China
| | - Haiya Yu
- Department of Neurology, The People's Hospital of Xishui, Huangang, Hubei, China
| | - Suosi Liu
- Department of Neurology, The First Affiliated Hospital (People's Hospital of Hunan Province), Hunan Normal University, Changsha, Hunan, China.,Department of Clinical Nutrition and Gastroenterology, The First Affiliated Hospital (People's Hospital of Hunan Province), Hunan Normal University, Changsha, Hunan, China
| | - Zhan Liu
- Department of Clinical Nutrition and Gastroenterology, The First Affiliated Hospital (People's Hospital of Hunan Province), Hunan Normal University, Changsha, Hunan, China
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24
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Liang WJ, Zhou SN, Shan MR, Wang XQ, Zhang M, Chen Y, Zhang Y, Wang SX, Guo T. AMPKα inactivation destabilizes atherosclerotic plaque in streptozotocin-induced diabetic mice through AP-2α/miRNA-124 axis. J Mol Med (Berl) 2018; 96:403-412. [PMID: 29502204 DOI: 10.1007/s00109-018-1627-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 12/09/2017] [Accepted: 02/05/2018] [Indexed: 01/02/2023]
Abstract
Diabetes mellitus is one of risk factors of cardiovascular diseases including atherosclerosis. Whether and how diabetes promotes the formation of unstable atherosclerotic plaque is not fully understood. Here, we show that streptozotocin-induced type 1 diabetes reduced collagen synthesis, leading to the formation of unstable atherosclerotic plaque induced by collar placement around carotid in apolipoprotein E knockout (Apoe-/-) mice. These detrimental effects of hyperglycemia on plaque stability were reversed by metformin in vivo without altering the levels of blood glucose and lipids. Mechanistically, we found that high glucose reduced the phosphorylated level of AMP-activated protein kinase alpha (AMPKα) and the transcriptional activity of activator protein 2 alpha (AP-2α), increased the expression of miR-124 expression, and downregulated prolyl-4-hydroxylase alpha 1 (P4Hα1) protein expression and collagen biosynthesis in cultured vascular smooth muscle cells. Importantly, these in vitro effects produced by high glucose were abolished by AMPKα pharmacological activation or adenovirus-mediated AMPKα overexpression. Further, adenovirus-mediated AMPKα gain of function remitted the process of diabetes-induced plaque destabilization in Apoe-/- mice injected with streptozotocin. Administration of metformin enhanced pAP-2α level, reduced miR-124 expression, and increased P4Hα1 and collagens in carotid atherosclerotic plaque in diabetic Apoe-/- mice. We conclude that streptozotocin-induced toxic diabetes promotes the formation of unstable atherosclerotic plaques based on the vulnerability index in Apoe-/- mice, which is related to the inactivation of AMPKα/AP-2α/miRNA-124/P4Hα1 axis. Clinically, targeting AMPKα/AP-2α/miRNA-124/P4Hα1 signaling should be considered to increase the plaque stability in patients with atherosclerosis. KEY MESSAGES Hyperglycemia reduced collagen synthesis, leading to the formation of unstable atherosclerotic plaque induced by collar placement around carotid in apolipoprotein E knockout mice. Hyperglycemia destabilizes atherosclerotic plaque in vivo through an AMPKα/AP-2α/miRNA-124/P4Hα1-dependent collagen synthesis. Metformin functions as a stabilizer of atherosclerotic plaque to reduce acute coronary accent.
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Affiliation(s)
- Wen-Jing Liang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China
| | - Sheng-Nan Zhou
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China
| | - Mei-Rong Shan
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China
| | - Xue-Qin Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China
| | - Miao Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China
| | - Yuan Chen
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China
| | - Yun Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China.
| | - Shuang-Xi Wang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China.
| | - Tao Guo
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University School of Medicine, No. 107 West Culture Road, Jinan, Shandong, 250012, China.
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25
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Zhu GH, Li R, Zeng Y, Zhou T, Xiong F, Zhu M. MicroRNA-142-3p inhibits high-glucose-induced endothelial-to-mesenchymal transition through targeting TGF-β1/Smad pathway in primary human aortic endothelial cells. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2018; 11:1208-1217. [PMID: 31938215 PMCID: PMC6958121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 12/07/2017] [Indexed: 06/10/2023]
Abstract
Myocardial fibrosis is an important pathological feature of diabetic cardiomyopathy (DCM) and endothelial-to-mesenchymal transition (EndMT) is an essential process for myocardial fibrosis. Recent studies have demonstrated an association between miRs and DCM. Therefore, the aim of this study is to investigate the role and the mechanism of miRNAs in the process of EndMT. We simulated the conditions occurring in EndMT by application of high glucose in primary human aortic endothelial cells (HAECs). Firstly, we compared the expression profiles of miRNAs in HAECs with or without HG treatment using microarray. Then, after addition of miR-142-3p mimics, the expression levels of EndMT markers were assessed by qRT-PCR and Western Blot. Moreover, bioinformatics analysis and luciferase assay were used to confirm the direct regulation of miR-142-3p to TGF-β1. Furthermore, the role of TGF-β1 in the inhibitory effect of miR-142-3p on EndMT was evaluated. In addition, the expressions of TGF-β1/Smad signaling signatures were measured by Western Blot. MiR-142-3p screened by miRNA microarray was significantly down-regulated in HAECs under HG stimulation in a dose and time dependent manner. Subsequently, we found that overexpression of miR-142-3p could inhibit HG-induced EndMT, as evidenced by decreased α-SMA and vimentin expression, and increased CD31 and VE-cadherin expression. Of note, transforming growth factor beta 1 (TGF-β1), one of the molecular mediators implicated in the progression of EndMT, was confirmed to be downstream target gene of miR-142-3p in HAECs. Moreover, TGF-β1 overexpression remarkably abolished the inhibitory effects of miR-142-3p overexpression on HG induced EndMT. Finally, miR-142-3p also mediated its anti-EndMT action by inactivation of TGF-β1/Smad pathway, as demonstrated by downregulation of TGF-β1, phospho-Smad2 and phospho-Smad2. Our findings demonstrated that miR-142-3p could attenuate HG-induced EndMT in HAECs, the mechanism of which may be at least partly through blocking TGF-β1/Smad signaling pathway. This might provide a potential therapeutic target for DCM in future.
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Affiliation(s)
- Gao-Hui Zhu
- Department of Endocrinology, Children’s Hospital of Chongqing Medical UniversityChongqing, China
- Ministry of Education Key Laboratory of Child Development and DisordersChongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing, China
- Chongqing Key Laboratory of PediatricsChongqing, China
| | - Rong Li
- Department of Endocrinology, Children’s Hospital of Chongqing Medical UniversityChongqing, China
- Ministry of Education Key Laboratory of Child Development and DisordersChongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing, China
- Chongqing Key Laboratory of PediatricsChongqing, China
| | - Yan Zeng
- Department of Endocrinology, Children’s Hospital of Chongqing Medical UniversityChongqing, China
- Ministry of Education Key Laboratory of Child Development and DisordersChongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing, China
- Chongqing Key Laboratory of PediatricsChongqing, China
| | - Ting Zhou
- Department of Endocrinology, Children’s Hospital of Chongqing Medical UniversityChongqing, China
- Ministry of Education Key Laboratory of Child Development and DisordersChongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing, China
- Chongqing Key Laboratory of PediatricsChongqing, China
| | - Feng Xiong
- Department of Endocrinology, Children’s Hospital of Chongqing Medical UniversityChongqing, China
- Ministry of Education Key Laboratory of Child Development and DisordersChongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing, China
- Chongqing Key Laboratory of PediatricsChongqing, China
| | - Min Zhu
- Department of Endocrinology, Children’s Hospital of Chongqing Medical UniversityChongqing, China
- Ministry of Education Key Laboratory of Child Development and DisordersChongqing, China
- China International Science and Technology Cooperation Base of Child Development and Critical DisordersChongqing, China
- Chongqing Key Laboratory of PediatricsChongqing, China
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26
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Ma H, Liang WJ, Shan MR, Wang XQ, Zhou SN, Chen Y, Guo T, Li P, Yu HY, Liu C, Yin YL, Wang YL, Dong B, Pang XY, Wang SX. Pravastatin activates activator protein 2 alpha to augment the angiotensin II-induced abdominal aortic aneurysms. Oncotarget 2017; 8:14294-14305. [PMID: 28179583 PMCID: PMC5362406 DOI: 10.18632/oncotarget.15104] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 01/16/2017] [Indexed: 01/02/2023] Open
Abstract
We have previously reported that activation of AMP-activated kinase alpha 2 (AMPKa2) by nicotine or angiotensin II (AngII) instigates formation of abdominal aortic aneurysms (AAA) in Apoe−/− mice. Statins, used to treat hyperlipidemia widely, activate AMPK in vascular cells. We sought to examine the effects of pravastatin on AAA formation and uncover the molecular mechanism. The AAA model was induced by AngII and evaluated by incidence, elastin degradation, and maximal abdominal aortic diameter in Apoe−/− mice. The phosphorylated levels of AMPKa2 and activator protein 2 alpha (AP-2a) were examined in cultured vascular smooth muscle cells (VSMCs) or in mice. We observed that pravastatin (50 mg/kg/day, 8 weeks) remarkably increased the AngII-induced AAA incidence in mice. In VSMCs, pravastatin increased the levels of pAMPK, pAP-2a, and MMP2 in both basal and AngII-stressed conditions, which were abolished by tempol and compound C. Pravastatin-upregulated MMP2 was abrogated by AMPKa2 or AP-2a siRNA. Lentivirus-mediated gene silence of AMPKa2 or AP-2a abolished pravastatin-worsened AAA formations in AngII-infused Apoe−/− mice. Clinical investigations demonstrated that both AMPKa2 and AP-2a phosphorylations were increased in AAA patients or human subjects taking pravastatin. In conclusion, pravastatin promotes AAA formation through AMPKa2-dependent AP-2a activations.
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Affiliation(s)
- Hui Ma
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China.,Department of Pediatrics and Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Wen-Jing Liang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Mei-Rong Shan
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Xue-Qing Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Sheng-Nan Zhou
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Yuan Chen
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Tao Guo
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Peng Li
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Hai-Ya Yu
- Department of Neurology, The People's Hospital of Xishui County, Huangang, Hubei, China
| | - Chao Liu
- Hubei Key Laboratory of Cardiovascular, Cerebrovascular, and Metabolic Disorders, Hubei University of Science and Technology, Xianning, China
| | - Ya-Ling Yin
- College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
| | - Yu-Lin Wang
- Department of Pediatrics and Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Bo Dong
- Department of Pediatrics and Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Xin-Yan Pang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China
| | - Shuang-Xi Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Qilu Hospital, Shandong University, Jinan, China.,College of Pharmacy and School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, China
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27
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Zhu ML, Yin YL, Ping S, Yu HY, Wan GR, Jian X, Li P. Berberine promotes ischemia-induced angiogenesis in mice heart via upregulation of microRNA-29b. Clin Exp Hypertens 2017; 39:672-679. [PMID: 28722488 DOI: 10.1080/10641963.2017.1313853] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Berberine has several preventive effects on cardiovascular diseases. Increased expression of miR-29b has been reported to attenuate cardiac remodeling after myocardial infarction (MI). We hypothesized that berberine via an miR-29b-dependent mechanism promotes angiogenesis and improves heart functions in mice after MI. METHODS The MI model was established in mice by ligation of left anterior descending coronary artery. The expression of miR-29b was examined by RT-qPCR. Angiogenesis was assessed by immunohistochemistry. RESULTS Berberine increased miR-29b expression and promoted cell proliferations and migrations in cultured endothelial cells, which were abolished by miR-29b antagomir or AMP-activated protein kinase inhibitor compound C. In mice following MI, administration of berberine significantly increased miR-29b expressional level, promoted angiogenesis, reduced infarct size, and improved heart functions after 14 postoperative days. Importantly, these in vivo effects of berberine were ablated by antagonism of miR-29b. CONCLUSION Berberine via upregulation of miR-29b promotes ischemia-induced angiogenesis and improves heart functions.
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Affiliation(s)
- Mo-Li Zhu
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Ya-Ling Yin
- b School of Basic Medical Sciences , Xinxiang Medical University , Xinxiang , Henan , China
| | - Song Ping
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Hai-Ya Yu
- c Department of Neurology , The People's Hospital of Xishui County , Huangang , Hubei , China
| | - Guang-Rui Wan
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Xu Jian
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
| | - Peng Li
- a College of Pharmacy , Xinxiang Medical University , Xinxiang , Henan , China
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Ma Z, Zhu L, Liu Y, Wang Z, Yang Y, Chen L, Lu Q. Lovastatin Alleviates Endothelial-to-Mesenchymal Transition in Glomeruli via Suppression of Oxidative Stress and TGF-β1 Signaling. Front Pharmacol 2017; 8:473. [PMID: 28769803 PMCID: PMC5513942 DOI: 10.3389/fphar.2017.00473] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 07/03/2017] [Indexed: 12/21/2022] Open
Abstract
Statins may decrease chronic kidney diseases (CKDs) risk, but their underlying molecular mechanisms are not completely understood. Recent studies indicate Endothelial-to-mesenchymal transition (EndMT) plays an important role contributing to renal interstitial fibrosis. In the present study, we first investigated whether lovastatin could ameliorate renal fibrosis via suppression of EndMT and its possible mechanism. In vitro experiments, lovastatin significantly ameliorated microalbuminuria and pathologic changes in diabetic rats. Double labeling immunofluorescence showed lovastatin could inhibit EndMT in glomeruli. Furthermore, lovastatin could inhibit oxidative stress and down-regulate TGF-β1-Smad signaling. Consistent alterations were observed in vivo that lovastatin substantially suppressed EndMT and TGF-β1 signaling induced by high glucose in glomerular endothelial cells (GEnCs). These data indicated that lovastatin could ameliorate EndMT in glomeruli in diabetic nephropathy, the mechanism of which might be at least partly through suppression of oxidative stress and TGF-β1/Smad signaling pathway.
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Affiliation(s)
- Zejun Ma
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical UniversityTianjin, China
| | - Lili Zhu
- Tianjin Medical Devices Quality Supervision and Testing CenterTianjin, China
| | - Yan Liu
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical UniversityTianjin, China
| | - Zhida Wang
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical UniversityTianjin, China
| | - Yang Yang
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical UniversityTianjin, China
| | - Liming Chen
- Key Laboratory of Hormones and Development (Ministry of Health), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Metabolic Diseases Hospital and Tianjin Institute of Endocrinology, Tianjin Medical UniversityTianjin, China
| | - Qiulun Lu
- Key Laboratory of Molecular Biophysics of the Ministry of Education, College of Life Science and Technology and Center for Human Genome Research, Huazhong University of Science and TechnologyWuhan, China
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