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Lin H, Gao D, Wang S, Wang Z, Guan H, Wang Y, Zhou Y. Inhibition of circ_0000231 suppresses oxidized low density lipoprotein-induced apoptosis, autophagy and inflammation in human umbilical vein endothelial cells by regulating miR-590-5p/PDCD4 axis. Clin Hemorheol Microcirc 2024:CH231696. [PMID: 37066904 DOI: 10.3233/ch-231696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) are the emerging informative RNAs, involved in cardiovascular diseases including atherosclerosis (AS). Endothelial injury is the initial qualitative change of AS. Thus, the objective of this study was to confirm the dysregulation and mechanism of circ_0000231 in cell model of AS at early stage in human umbilical vein endothelial cells (HUVECs) induced by oxidized low-density lipoprotein (ox-LDL). METHODS The expression of circ_0000231, miR-590-5p and programmed cell death 4 (PDCD4) was detected using real-time quantitative PCR and western blot. Cell injury was measured with MTT, flow cytometry, caspase-3 activity assay and enzyme-linked immunosorbent assay (ELISA). The interaction among circ_0000231, miR-590-5p and PDCD4 was validated by dual-luciferase reporter assay, RNA immunoprecipitation (RIP) and pull-down assays. RESULTS Stress ox-LDL decreased cell viability, and increased apoptosis rate and caspase-3 activity in HUVECs in a dose- and time-dependent manner in concomitant with promotions of interleukin-6, interleukin-1β, tumor necrosis factor-α, LC3-II/I and Beclin-1 levels. Besides, circ_0000231 and PDCD4 expressions were upregulated, and miR-590-5p was downregulated in ox-LDL-stimulated HUVECs. Functionally, knockdown of circ_0000231 and overexpression of miR-590-5p could suppress ox-LDL-elicited above effects on apoptosis, autophagy and inflammatory response, accompanied with PDCD4 downregulation. Physically, miR-590-5p could directly interact with circ_0000231 and PDCD4. CONCLUSION Downregulation of circ_0000231 suppresses HUVECs from ox-LDL-induced injury partially through regulating miR-590-5p/PDCD4 axis via competing endogenous RNA mechanism, showing a novel potential target for the pathology and treatment of endothelial injury in AS.
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Affiliation(s)
- Haiyan Lin
- Department of Cardiology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo University, China
| | - Da Gao
- Department of Cardiology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo University, China
| | - Shengjie Wang
- Department of Cardiology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo University, China
| | - Zicheng Wang
- Department of Cardiology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo University, China
| | - Haiwang Guan
- Department of Cardiology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo University, China
| | - Yanwei Wang
- Department of Cardiology, Ningbo Medical Treatment Center Lihuili Hospital, Ningbo University, China
| | - Ying Zhou
- Department of Cardiology, Zhejiang Provincial People's Hospital, China
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2
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Weng YH, Yu WT, Luo YP, Liu C, Gu XX, Chen HY, Liu HB. Association between miR-365 polymorphism and ischemic stroke in a Chinese population. Front Neurol 2023; 14:1260230. [PMID: 37840919 PMCID: PMC10569467 DOI: 10.3389/fneur.2023.1260230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 08/30/2023] [Indexed: 10/17/2023] Open
Abstract
Background Ischemic stroke (IS) represents a major cause of morbidity and mortality across the globe. The aberrant expression of miR-365 has been found to be implicated in a wide array of human diseases, including atherosclerosis and cancer. Studies on single-nucleotide polymorphisms (SNPs) in miRNA genes can help gain insight into the susceptibility to the condition. This study aimed to examine the relationship between miR-365 SNPs and the risk of IS. Methods The study recruited 215 IS patients and 220 controls. The SNPscans genotyping was employed to genotype three polymorphic loci (rs121224, rs30230, and rs178553) of miR-365. The relative expression of miR-365 in peripheral blood mononuclear cells of the patients and controls was determined by using real-time quantitative PCR. Results The miR-365 rs30230 polymorphism exhibited a significant association with the risk of developing IS (TC vs. CC: adjusted OR = 0.55, 95% CI: 0.33-0.92, P = 0.022; TT vs. CC: adjusted OR = 0.34, 95% CI: 0.14-0.85, P = 0.021; TC +TT vs. CC: adjusted OR = 0.51, 95% CI: 0.31-0.83, P = 0.007; T vs. C: adjusted OR = 0.57, 95% CI: 0.39-0.83, P = 0.004). Haplotype analysis revealed that the C-T-G haplotype was associated with a decreased risk of IS (OR = 0.68, 95% CI: 0.46-1.00, P = 0.047). Furthermore, miR-365 expression was significantly higher in IS patients than in controls (P < 0.001). Interestingly, patients with rs30230 TC or TT genotypes had lower miR-365 levels compared to their counterparts with CC genotypes (P < 0.001). Conclusions The miR-365 rs30230 polymorphism might bear an association with IS susceptibility in the Chinese population, and the rs30230 TC/TT genotype might be a protective factor against IS.
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Affiliation(s)
- Yin-Hua Weng
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Wen-Tao Yu
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Yan-Ping Luo
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Chao Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Xi-Xi Gu
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Huo-Ying Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, Guangxi Key Laboratory of Metabolic Reprogramming and Intelligent Medical Engineering for Chronic Diseases, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Hong-Bo Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
- Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, Guangxi Key Laboratory of Metabolic Reprogramming and Intelligent Medical Engineering for Chronic Diseases, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
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Dlouha D, Blaha M, Huckova P, Lanska V, Hubacek JA, Blaha V. Long-Term LDL-Apheresis Treatment and Dynamics of Circulating miRNAs in Patients with Severe Familial Hypercholesterolemia. Genes (Basel) 2023; 14:1571. [PMID: 37628623 PMCID: PMC10454435 DOI: 10.3390/genes14081571] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/26/2023] [Accepted: 07/29/2023] [Indexed: 08/27/2023] Open
Abstract
Lipoprotein apheresis (LA) is a therapeutic option for patients with severe hypercholesterolemia who have persistently elevated LDL-C levels despite attempts at drug therapy. MicroRNAs (miRNAs), important posttranscriptional gene regulators, are involved in the pathogenesis of atherosclerosis. Our study aimed to monitor the dynamics of twenty preselected circulating miRNAs in patients under long-term apheresis treatment. Plasma samples from 12 FH patients (men = 50%, age = 55.3 ± 12.2 years; mean LA overall treatment time = 13.1 ± 7.8 years) were collected before each apheresis therapy every sixth month over the course of four years of treatment. Eight complete follow-up (FU) samples were measured in each patient. Dynamic changes in the relative quantity of 6 miRNAs (miR-92a, miR-21, miR-126, miR-122, miR-26a, and miR-185; all p < 0.04) during FU were identified. Overall apheresis treatment time influenced circulating miR-146a levels (p < 0.04). In LDLR mutation homozygotes (N = 5), compared to heterozygotes (N = 7), we found higher plasma levels of miR-181, miR-126, miR-155, and miR-92a (all p < 0.03). Treatment with PCSK9 inhibitors (N = 6) affected the plasma levels of 7 miRNAs (miR-126, miR-122, miR-26a, miR-155, miR-125a, miR-92a, and miR-27a; all p < 0.04). Long-term monitoring has shown that LA in patients with severe familial hypercholesterolemia influences plasma circulating miRNAs involved in endothelial dysfunction, cholesterol homeostasis, inflammation, and plaque development. The longer the treatment using LA, the better the miRNA milieu depicting the potential cardiovascular risk.
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Affiliation(s)
- Dana Dlouha
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, 14021 Prague, Czech Republic; (P.H.); (J.A.H.)
| | - Milan Blaha
- 4th Department of Internal Medicine—Hematology, University Hospital Hradec Králové, 50005 Hradec Králové, Czech Republic;
- Faculty of Medicine in Hradec Králové, Charles University, 50003 Hradec Králové, Czech Republic;
| | - Pavlina Huckova
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, 14021 Prague, Czech Republic; (P.H.); (J.A.H.)
| | - Vera Lanska
- Statistical Unit, Institute for Clinical and Experimental Medicine, 14021 Prague, Czech Republic;
| | - Jaroslav Alois Hubacek
- Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, 14021 Prague, Czech Republic; (P.H.); (J.A.H.)
- 1st Faculty of Medicine, Charles University, 12108 Prague, Czech Republic
| | - Vladimir Blaha
- Faculty of Medicine in Hradec Králové, Charles University, 50003 Hradec Králové, Czech Republic;
- 3rd Department of Internal Medicine—Metabolism and Gerontology, University Hospital Hradec Králové, 50005 Hradec Králové, Czech Republic
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Wang Y, Huang N, Yang Z. Revealing the Role of Zinc Ions in Atherosclerosis Therapy via an Engineered Three-Dimensional Pathological Model. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2300475. [PMID: 37092571 PMCID: PMC10288231 DOI: 10.1002/advs.202300475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/09/2023] [Indexed: 05/03/2023]
Abstract
An incomplete understanding of the cellular functions and underlying mechanisms of zinc ions released from zinc-based stents in atherosclerosis (AS) therapy is one of the major obstacles to their clinical translation. The existing evaluation methodology using cell monolayers has limitations on accurate results due to the lack of vascular architectures and pathological features. Herein, the authors propose a 3D biomimetic AS model based on a multi-layer vascular structure comprising endothelial cells and smooth muscle cells with hyperlipidemic surroundings and inflammatory stimulations as AS-prone biochemical conditions to explore the biological functions of zinc ions in AS therapy. Concentration-dependent biphasic effects of zinc ions on cell growth are observed both in cell monolayers and 3D AS models. Nevertheless, the cells within 3D AS model exhibit more accurate biological assessments of the zinc ions, as evidenced by augmented pathological features and significantly higher half-maximal inhibitory concentration values against zinc ions. Based on such a developed 3D biomimetic AS model, the inhibitory effects on the deoxyribonucleic acid (DNA) synthesis, significantly influenced biological processes like cell motility, proliferation, and adhesion, and several potential bio-targets of zinc ions of cells are revealed.
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Affiliation(s)
- Ying Wang
- Dongguan Key Laboratory of Smart Biomaterials and Regenerative MedicineThe Tenth Affiliated Hospital of Southern Medical UniversityDongguan523059P. R. China
- Guangdong Provincial Key Laboratory of Cardiac Function and MicrocirculationGuangzhou510080P. R. China
| | - Nan Huang
- Dongguan Key Laboratory of Smart Biomaterials and Regenerative MedicineThe Tenth Affiliated Hospital of Southern Medical UniversityDongguan523059P. R. China
| | - Zhilu Yang
- Dongguan Key Laboratory of Smart Biomaterials and Regenerative MedicineThe Tenth Affiliated Hospital of Southern Medical UniversityDongguan523059P. R. China
- Guangdong Provincial Key Laboratory of Cardiac Function and MicrocirculationGuangzhou510080P. R. China
- Department of CardiologyThird People's Hospital of Chengdu Affiliated to Southwest Jiaotong UniversityChengdu610031P. R. China
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Wu C, Wang P, Wang B, Nijiati M, Hou M. Effects of Cooling Interventions with Different Target Temperatures on Heat Stroke Rats. J Inflamm Res 2023; 16:2345-2355. [PMID: 37284704 PMCID: PMC10239648 DOI: 10.2147/jir.s408316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 05/17/2023] [Indexed: 06/08/2023] Open
Abstract
Purpose To investigate the optimal target temperature of cooling intervention in heat stroke (HS) rats and explore the potential mechanisms of cooling intervention in alleviating heat stroke-induced damage. Materials and Methods A total of 32 Sprague-Dawley rats were randomly divided into 4 groups (n=8/group), including control, HS[core body temperature (Tc)], HS(Tc-1°C) and HS(Tc+1°C) group. Heat stroke model was established in rats of HS(Tc), HS(Tc-1°C) and HS(Tc+1°C) group. Rats in HS(Tc) group were cooled to baseline core body temperature after establishing heat stroke model, HS(Tc-1°C) group to baseline core body temperature minus 1°C and HS(Tc+1°C) group to baseline core body temperature plus 1°C. We compared the histopathological changes of lung, liver and renal tissue, as well as cell apoptosis and expression of critical proteins in phosphatidylinositol 3´-kinase (PI3K)/Akt signaling pathway. Results Heat stroke caused the histopathological damage and cell apoptosis of lung, liver and renal tissue, which could be alleviated by cooling intervention to a certain extent. Notably, HS(Tc+1°C) group demonstrated a better effect on alleviating cell apoptosis although the differences were not significant. Heat stroke lead to the elevated expression of p-Akt, which subsequently induced the elevated expression of Caspase-3 and Bax, as well as the decreased expression of Bcl-2. Cooling intervention could reverse this trend. Notably, the expression level of Bax in lung tissue of HS(Tc+1°C) group was significantly lower than that of HS(Tc) and HS(Tc-1°C) group. Conclusion The mechanisms of cooling intervention in alleviating heat stroke-induced damage were associated with the expression changes of p-Akt, Caspase-3, Bax and Bcl-2. The better effect of Tc+1°C might be associated with low expression of Bax.
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Affiliation(s)
- Changdong Wu
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, People’s Republic of China
| | - Ping Wang
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, People’s Republic of China
| | - Bin Wang
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, People’s Republic of China
| | - Muyesai Nijiati
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, People’s Republic of China
| | - Ming Hou
- Xinjiang Emergency Center, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, People’s Republic of China
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6
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Wang P, Zhang H, Wang Y. Circ_0003423 Alleviates Oxidized Low-Density Lipoprotein-Induced Endothelial Cell Injury by Sponging miR-142-3p and Activating Sirtuin 3/Superoxide Dismutase 2 Pathway. J Surg Res 2022; 277:384-397. [DOI: 10.1016/j.jss.2022.04.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 02/24/2022] [Accepted: 04/05/2022] [Indexed: 12/26/2022]
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7
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Xia F, Zeng Q. miR-125a-3p aggravates ox-LDL-induced HUVEC injury through BAMBI. J Biochem Mol Toxicol 2022; 36:e23198. [PMID: 35993694 DOI: 10.1002/jbt.23198] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/27/2022] [Accepted: 08/05/2022] [Indexed: 11/08/2022]
Abstract
Atherosclerosis (AS) is a chronic inflammatory disease characterized by the formation of atherosclerotic plaque in the intima of arteries. Among the known regulators of atherosclerosis, microRNAs (miRNAs) have been reported to play critical roles in lipoprotein homeostasis and plaque formation. But the roles of microRNA-125a-3p (miR-125a-3p) in the pathogenesis of AS remain unknown. Human umbilical vein endothelial cells (HUVECs) were treated with oxidized low-density lipoprotein (ox-LDL) to construct the vascular injury model of AS pathogenesis in vitro. miR-125a-3p and BMP and activin membrane-bound inhibitor (BAMBI) expression levels in HUVECs were then measured by quantitative real-time polymerase chain reaction and western blot. The viability and apoptosis of HUVECs were analyzed by Cell Counting Kit-8 assay, TUNEL assay, and flow cytometry, respectively. The relationship between BAMBI 3'-untranslated region and miR-125a-3p was validated by dual luciferase reporter gene assay. miR-125a-3p expression was raised in HUVECs induced with ox-LDL. In HUVECs, miR-125a-3p enhanced the effects of ox-LDL treatment on repressing the viability and promoting the apoptosis of cells. Additionally, BAMBI was confirmed as a direct target of miR-125a-3p and BAMBI overexpression reversed the effects of miR-125a-3p on HUVECs. miR-125a-3p aggravates the dysfunction of HUVECs induced by ox-LDL via BAMBI, which implies that miR-125a-3p is involved in the pathogenesis of AS.
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Affiliation(s)
- Feng Xia
- Department of Cardiovascular Surgery, Wuhan Asia General Hospital, Wuhan, Hubei, China
| | - Qingrong Zeng
- Department of Cardiovascular Surgery, Wuhan Asia General Hospital, Wuhan, Hubei, China
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Li L, Liu S, Tan J, Wei L, Wu D, Gao S, Weng Y, Chen J. Recent advance in treatment of atherosclerosis: Key targets and plaque-positioned delivery strategies. J Tissue Eng 2022; 13:20417314221088509. [PMID: 35356091 PMCID: PMC8958685 DOI: 10.1177/20417314221088509] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Atherosclerosis, a chronic inflammatory disease of vascular wall, is a progressive pathophysiological process with lipids oxidation/depositing initiation and innate/adaptive immune responses. The coordination of multi systems covering oxidative stress, dysfunctional endothelium, diseased lipid uptake, cell apoptosis, thrombotic and pro-inflammatory responding as well as switched SMCs contributes to plaque growth. In this circumstance, inevitably, targeting these processes is considered to be effective for treating atherosclerosis. Arriving, retention and working of payload candidates mediated by targets in lesion direct ultimate therapeutic outcomes. Accumulating a series of scientific studies and clinical practice in the past decades, lesion homing delivery strategies including stent/balloon/nanoparticle-based transportation worked as the potent promotor to ensure a therapeutic effect. The objective of this review is to achieve a very brief summary about the effective therapeutic methods cooperating specifical targets and positioning-delivery strategies in atherosclerosis for better outcomes.
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Affiliation(s)
- Li Li
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, PR China
| | - Sainan Liu
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, PR China
| | - Jianying Tan
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, PR China
| | - Lai Wei
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, PR China
| | - Dimeng Wu
- Chengdu Daxan Innovative Medical Tech. Co., Ltd., Chengdu, PR China
| | - Shuai Gao
- Chengdu Daxan Innovative Medical Tech. Co., Ltd., Chengdu, PR China
| | - Yajun Weng
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, PR China
| | - Junying Chen
- Key Laboratory of Advanced Technology of Materials, Ministry of Education, Southwest Jiaotong University, Chengdu, PR China
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MicroRNA-146a Serves as a Biomarker for Adverse Prognosis of ST-Segment Elevation Myocardial Infarction. Cardiovasc Ther 2021; 2021:2923441. [PMID: 34786024 PMCID: PMC8561321 DOI: 10.1155/2021/2923441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/09/2021] [Indexed: 11/18/2022] Open
Abstract
Objective This study is aimed at exploring the underlying molecular mechanisms of ST-segment elevation myocardial infarction (STEMI) and provides potential clinical prognostic biomarkers for STEMI. Methods The GSE60993 dataset was downloaded from the GEO database, and the differentially expressed genes (DEGs) between STEMI and control groups were screened. Enrichment analysis of the DEGs was subsequently performed using the DAVID database. A protein-protein interaction network was constructed, and hub genes were identified. The hub genes in patients were then validated by quantitative reverse transcription-PCR. Furthermore, hub gene-miRNA interactions were evaluated using the miRTarBase database. Finally, patient data on classical cardiovascular risk factors were collected, and plasma microRNA-146a (miR-146a) levels were detected. An individualized nomogram was constructed based on multivariate Cox regression analysis. Results A total of 239 DEGs were identified between the STEMI and control groups. Expression of S100A12 and miR-146a was significantly upregulated in STEMI samples compared with controls. STEMI patients with high levels of miR-146a had a higher risk of major adverse cardiovascular events (MACEs) than those with low levels of miR-146a (log-rank P = 0.034). Multivariate Cox regression analysis identified five statistically significant variables, including age, hypertension, diabetes mellitus, white blood cells, and miR-146a. A nomogram was constructed to estimate the likelihood of a MACE at one, two, and three years after STEMI. Conclusion The incidence of MACEs in STEMI patients expressing high levels of miR-146a was significantly greater than in those expressing low levels. MicroRNA-146a can serve as a biomarker for adverse prognosis of STEMI and might function in its pathogenesis by targeting S100A12, which may exert its role via an inflammatory response. In addition, our study presents a valid and practical model to assess the probability of MACEs within three years of STEMI.
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10
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Liu W, Xi W, Li Y, Hai K, Zhou X, Wang Y, Ye Q. MicroRNA-216a-5p in lipopolysaccharide-induced endothelial injury. Exp Ther Med 2021; 22:1426. [PMID: 34707707 PMCID: PMC8543236 DOI: 10.3892/etm.2021.10861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 08/05/2021] [Indexed: 12/25/2022] Open
Abstract
MicroRNAs (miRNAs/miRs) are a type of non-coding RNA that are closely associated with disease development and treatment. The present study aimed to investigate the role of miR-216a-5p in lipopolysaccharide (LPS)-induced endothelial injury in vitro. The EdU assay was performed to detect EdU-positive cells, while flow cytometric analysis was performed to detect apoptotic cells. Reverse transcription-quantitative PCR and western blot analyses were performed to detect the expression levels of miR-216a-5p, Toll-like receptor 4 (TLR4), MyD88 and nuclear factor (NF)-κB(p65) and phosphorylated (p)-NF-κB(p65). Furthermore, p-NF-κB(p65) nuclear expression level was detected via cellular immunofluorescence. The dual-luciferase reporter assay was performed to verify the association between miR-216a-5p and TLR4. The results demonstrated that the number of EdU-positive cells significantly decreased, the apoptotic rate significantly increased, and TLR4, MyD88 and NF-κB(p65) mRNA expression levels were significantly upregulated.TLR4, MyD88 and p-NF-κB(p65) protein expression levels were significantly upregulated and p-NF-κB(p65) nuclear concentration was significantly enhanced in the small interfering RNA-miR-216a-5p and LPS groups (P<0.001, respectively) compared with the negative control group. However, the addition of miR-216a-5p significantly increased the number of EdU-positive cells, significantly decreased the apoptotic rate and significantly downregulated the mRNA expression levels of TLR4, MyD88 and NF-κB(p65), as well as the protein expression levels of TLR4, MyD88 and p-NF-κB(p65). In addition, the p-NF-κB(p65) nuclear concentration was significantly decreased in the miR-216a-5p group (P<0.001, respectively) compared with the LPS group. Taken together, the results suggest that overexpression of miR-216a-5p suppresses the effects of LPS induced endothelial injury.
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Affiliation(s)
- Wenxun Liu
- Department of Anesthesiology, Ningxia Medical University, Yinchuan, Gansu 750004, P.R. China.,Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China
| | - Wenhua Xi
- Department of Anesthesiology, Ningxia Medical University, Yinchuan, Gansu 750004, P.R. China.,Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China
| | - Yan Li
- Department of Anesthesiology, Ningxia Medical University, Yinchuan, Gansu 750004, P.R. China.,Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China
| | - Kerong Hai
- Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China.,Ningxia Anesthesia Clinical Medical Research Center, Yinchuan, Ningxia 750002, P.R. China
| | - Xiaohong Zhou
- Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China.,Ningxia Anesthesia Clinical Medical Research Center, Yinchuan, Ningxia 750002, P.R. China
| | - Yun Wang
- Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China.,Ningxia Anesthesia Clinical Medical Research Center, Yinchuan, Ningxia 750002, P.R. China
| | - Qingshan Ye
- Department of Anesthesiology, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia 750002, P.R. China.,Ningxia Anesthesia Clinical Medical Research Center, Yinchuan, Ningxia 750002, P.R. China
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11
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Kianmehr A, Qujeq D, Bagheri A, Mahrooz A. Oxidized LDL-regulated microRNAs for evaluating vascular endothelial function: molecular mechanisms and potential biomarker roles in atherosclerosis. Crit Rev Clin Lab Sci 2021; 59:40-53. [PMID: 34523391 DOI: 10.1080/10408363.2021.1974334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
As a simple monolayer, vascular endothelial cells can respond to physicochemical stimuli. In addition to promoting the formation of foam cells, oxidized low-density lipoprotein (ox-LDL) contributes to the atherosclerotic process through different mechanisms, including endothelial cell dysfunction. As conserved noncoding RNAs, microRNAs (miRNAs) naturally lie in different genomic positions and post-transcriptionally regulate the expression of many genes. They participate in integrated networks formed under stress to maintain cellular homeostasis, vascular inflammation, and metabolism. These small RNAs constitute therapeutic targets in different diseases, including atherosclerosis, and their role as biomarkers is crucial given their detectability even years before the emergence of diseases. This review was performed to investigate the role of ox-LDL-regulated miRNAs in atherosclerosis, their molecular mechanisms, and their application as biomarkers of vascular endothelial cell dysfunction.
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Affiliation(s)
- Anvarsadat Kianmehr
- Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Gorgan, Iran.,Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Durdi Qujeq
- Cellular and Molecular Biology Research Center (CMBRC), Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Abouzar Bagheri
- Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Clinical Biochemistry and Medical Genetics, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abdolkarim Mahrooz
- Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Clinical Biochemistry and Medical Genetics, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
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12
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Xu Y, Miao C, Cui J, Bian X. miR-92a-3p promotes ox-LDL induced-apoptosis in HUVECs via targeting SIRT6 and activating MAPK signaling pathway. ACTA ACUST UNITED AC 2021; 54:e9386. [PMID: 33470395 PMCID: PMC7812905 DOI: 10.1590/1414-431x20209386] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 10/12/2020] [Indexed: 12/19/2022]
Abstract
Atherosclerosis could be induced by multiple factors, including hypertension, hyperlipidemia, and smoking, and its pathogenesis has not been fully elucidated. MicroRNAs have been shown to possess great anti-atherosclerotic potential, but the precise function of miR-92a-3p in atherosclerosis and its potential molecular mechanism have not been well clarified. Flow cytometry assay and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazol-3-ium bromide (MTT) assay were performed to evaluate effects of oxidized low-density lipoprotein (ox-LDL) on proliferation and apoptosis of human umbilical vein endothelial cells (HUVECs), respectively. Malondialdehyde and superoxide dismutase levels in cell lysate were assessed with biochemical kits. The expression levels of miR-92a-3p and Sirtuin6 (SIRT6) in HUVECs exposed to ox-LDL were estimated by real-time quantitative polymerase chain reaction (RT-qPCR). In addition, the protein levels of SIRT6, c-Jun N-terminal kinase (JNK), phosphorylation JNK (p-JNK), p38 mitogen activated protein kinase (p38 MAPK), and phosphorylation p38 MAPK (p-p38 MAPK) were measured by western blot assays. The relationship between miR-92a-3p and SIRT6 was confirmed by dual-luciferase reporter assay. Ox-LDL induced apoptosis and oxidative stress in HUVECs in concentration- and time-dependent manners. Conversely, miR-92a-3p silencing inhibited apoptosis and SIRT6 expression in HUVECs. The overexpression of miR-92a-3p enhanced apoptosis and phosphorylation levels of JNK and p38 MAPK as well as inhibited proliferation in ox-LDL-induced HUVECs. In addition, SIRT6 was a target of miR-92a-3p. miR-92a-3p negatively regulated SIRT6 expression in ox-LDL-induced HUVECs to activate MAPK signaling pathway in vitro. In summary, miR-92a-3p promoted HUVECs apoptosis and suppressed proliferation in ox-LDL-induced HUVECs by targeting SIRT6 expression and activating MAPK signaling pathway.
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Affiliation(s)
- Yingchun Xu
- Department of Cardiology, The Second People's Hospital of Liaocheng, Liaocheng, Shandong, China
| | - Chunbo Miao
- Department of Internal Medicine, The Second People's Hospital of Liaocheng, Liaocheng, Shandong, China
| | - Jinzhen Cui
- Department of Internal Medicine, The Second People's Hospital of Liaocheng, Liaocheng, Shandong, China
| | - Xiaoli Bian
- Department of Cardiology, Yangzhou Jiangdu People's Hospital, Jiangdu District, Yangzhou, Jiangsu, China
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13
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Gao H, Guo Z. LncRNA XIST regulates atherosclerosis progression in ox-LDL-induced HUVECs. Open Med (Wars) 2021; 16:117-127. [PMID: 33542956 PMCID: PMC7819546 DOI: 10.1515/med-2021-0200] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 10/24/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) have been verified as vital regulators in human disease, including atherosclerosis. However, the precise role of X-inactive-specific transcript (XIST) in atherosclerosis remains unclear. The proliferation and apoptosis of human umbilical vein endothelial cells (HUVECs) exposed to low-density lipoprotein (ox-LDL) were assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazol-3-ium bromide, and flow cytometry assays, correspondingly. The western blot assay was used to quantify protein expression. Lactate dehydrogenase activity and the concentrations of inflammatory factors were measured by matched kits. The real-time quantitative polymerase chain reaction (qPCR) was used to determine α-smooth muscle actin, smooth muscle protein 22-α, XIST, miR-98-5p, and pregnancy-associated plasma protein A (PAPPA) levels in HUVECs. The relationship among XIST, miR-98-5p, and PAPPA was analyzed by dual-luciferase reporter, RNA immunoprecipitation, and RNA pull-down assays. We found ox-LDL repressed proliferation and induced inflammation and apoptosis in HUVECs. Loss-of-functional experiment suggested that the downregulation of XIST overturned the ox-LDL-induced effects on HUVECs. Additionally, overexpression of miR-98-5p-induced effects on ox-LDL-stimulated HUVECs was abolished by upregulation of XIST. However, silencing of miR-98-5p strengthened the ox-LDL-induced effects on HUVECs by increasing expression of PAPPA. Mechanistically, XIST could regulate PAPPA expression in ox-LDL-induced HUVECs by sponging miR-98-5p, providing understanding for atherosclerosis.
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Affiliation(s)
- Hongmei Gao
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, 150001, Harbin, Heilongjiang, China
| | - Zhaohui Guo
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, No. 37 Yiyuan Street, Nangang District, 150001, Harbin, Heilongjiang, China
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14
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Frati G, Forte M, di Nonno F, Bordin A, Chimenti I, Picchio V, Cavarretta E, Stanzione R, Bianchi F, Carnevale R, Nocella C, Schiavon S, Vecchio D, Marchitti S, De Falco E, Rubattu S, Paneni F, Biondi‐Zoccai G, Versaci F, Volpe M, Pagano F, Sciarretta S. Inhibition of miR-155 Attenuates Detrimental Vascular Effects of Tobacco Cigarette Smoking. J Am Heart Assoc 2020; 9:e017000. [PMID: 33317369 PMCID: PMC7955400 DOI: 10.1161/jaha.120.017000] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 10/27/2020] [Indexed: 02/05/2023]
Abstract
Background The role of microRNAs dysregulation in tobacco cigarette smoking-induced vascular damage still needs to be clarified. We assessed the acute effects of tobacco cigarette smoking on endothelial cell-related circulating microRNAs in healthy subjects. In addition, we investigated the potential role of microRNAs in smoking-dependent endothelial cell damage. Methods and Results A panel of endothelial-related microRNAs was quantified in healthy subjects before and after smoking 1 tobacco cigarette. Serum levels of miR-155 were found to be significantly increased shortly after smoking. We also observed a progressive and significant miR-155 accumulation in culture media of human endothelial cells after 30 minutes and up to 4 hours of cigarette smoke condensate treatment in vitro without evidence of cell death, indicating that miR-155 can be released by endothelial cells in response to smoking stress. Cigarette smoke condensate appeared to enhance oxidative stress and impair cell survival, angiogenesis, and NO metabolism in human endothelial cells. Notably, these effects were abrogated by miR-155 inhibition. We also observed that miR-155 inhibition rescued the deleterious effects of cigarette smoke condensate on endothelial-mediated vascular relaxation and oxidative stress in isolated mouse mesenteric arteries. Finally, we found that exogenous miR-155 overexpression mimics the effects of smoking stress by inducing the upregulation of inflammatory markers, impairing angiogenesis and reducing cell survival. These deleterious effects were associated with downregulation of vascular endothelial growth factor and endothelial NO synthetase. Conclusions Our results suggest that miR-155 dysregulation may contribute to the deleterious vascular effects of tobacco smoking.
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Affiliation(s)
- Giacomo Frati
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
- IRCCS NeuromedPozzilliItaly
| | | | | | - Antonella Bordin
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
| | - Isotta Chimenti
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
- Mediterranea Cardiocentro‐NapoliNapoliItaly
| | - Vittorio Picchio
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
| | - Elena Cavarretta
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
| | | | | | - Roberto Carnevale
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
- Mediterranea Cardiocentro‐NapoliNapoliItaly
| | - Cristina Nocella
- Department of Internal Medicine and Medical SpecialtiesSapienza University of RomeItaly
| | - Sonia Schiavon
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
| | - Daniele Vecchio
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
| | | | - Elena De Falco
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
- Mediterranea Cardiocentro‐NapoliNapoliItaly
| | - Speranza Rubattu
- IRCCS NeuromedPozzilliItaly
- Department of Clinical and Molecular MedicineSchool of Medicine and PsychologySapienza University of RomeOspedale S. AndreaRomeItaly
| | - Francesco Paneni
- Center for Molecular CardiologyUniversity of ZürichSwitzerland
- CardiologyUniversity Heart CenterUniversity Hospital ZurichZurichSwitzerland
| | - Giuseppe Biondi‐Zoccai
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
- Mediterranea Cardiocentro‐NapoliNapoliItaly
| | | | - Massimo Volpe
- IRCCS NeuromedPozzilliItaly
- Department of Clinical and Molecular MedicineSchool of Medicine and PsychologySapienza University of RomeOspedale S. AndreaRomeItaly
| | - Francesca Pagano
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
| | - Sebastiano Sciarretta
- Department of Medical‐Surgical Sciences and BiotechnologiesSapienza University of RomeLatinaItaly
- IRCCS NeuromedPozzilliItaly
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15
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Triple negative breast cancer in the era of miRNA. Crit Rev Oncol Hematol 2020; 157:103196. [PMID: 33307198 DOI: 10.1016/j.critrevonc.2020.103196] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 11/12/2020] [Accepted: 12/06/2020] [Indexed: 02/07/2023] Open
Abstract
The objective of this review is to elucidate the role of miRNAs in triple negative breast cancer (TNBC). To achieve our goal, we searched databases such as PubMed, ScienceDirect, Springer, Web of Science and Scopus. We retrieved up to 1233 articles, based a rigorous selection criterion, only 197 articles were extensively reviewed. We selected articles only addressing TNBC, but not other types of breast cancer, with the employed approach being miRNA analysis and/or profiling. Our extensive review resulted in grouping of miRNAs into categories in which specific members of miRNAs have roles in specific mechanism in TNBC i.e., carcinogenesis, invasion, metastasis, apoptosis, diagnosis, prognosis, and treatment. TNBC is an aggressive subtype of breast cancer; therefore, different approaches for accurate diagnosis, prognosis and treatment are needed. In this review we summarize the up-to-date miRNA profiling, prognostic, and therapeutic findings that add to the route of controlling TNBC.
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16
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miR-365 inhibits duck myoblast proliferation by targeting IGF-I via PI3K/Akt pathway. Biosci Rep 2020; 39:220950. [PMID: 31658358 PMCID: PMC6859117 DOI: 10.1042/bsr20190295] [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: 02/07/2019] [Revised: 09/23/2019] [Accepted: 10/17/2019] [Indexed: 01/07/2023] Open
Abstract
miR-365 is found to be involved in cancer cell proliferation and apoptosis. However, it remains unknown if and how miR-365 plays a role in myoblast proliferation. In the present study, we found that overexpression of miR-365 can inhibit duck myoblast proliferation. To uncover the mechanism by which miR-365 inhibits duck myoblast proliferation, we showed that miR-365 can down-regulate insulin-like growth factor-I (IGF-I) by directly targeting its 3′untranslated region (UTR). Moreover, enhanced miR-365 decreased the mRNA expression of PI3K, Akt, mTOR and S6K. Importantly, the enhanced PI3K, Akt, mTOR and S6K expression by miR-365 inhibitor (anti-miR-365) was abrogated by treatment with LY294002, a PI3K inhibitor. Together, our results indicated that miR-365 may target IGF-I to inhibit duck myoblast proliferation via PI3K/Akt pathway.
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17
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Hosen MR, Goody PR, Zietzer A, Nickenig G, Jansen F. MicroRNAs As Master Regulators of Atherosclerosis: From Pathogenesis to Novel Therapeutic Options. Antioxid Redox Signal 2020; 33:621-644. [PMID: 32408755 DOI: 10.1089/ars.2020.8107] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Significance: Cardiovascular disease (CVD) remains the major cause of morbidity and mortality worldwide. Accumulating evidence indicates that atherosclerosis and its sequelae, coronary artery disease, contribute to the majority of cardiovascular deaths. Atherosclerosis is a chronic inflammatory disease of the arteries in which atherosclerotic plaques form within the vessel wall. Epidemiological studies have identified various risk factors for atherosclerosis, such as diabetes, hyperlipidemia, smoking, genetic predisposition, and sedentary lifestyle. Recent Advances: Through the advancement of genetic manipulation techniques and their use in cardiovascular biology, it was shown that small RNAs, especially microRNAs (miRNAs), are dynamic regulators of disease pathogenesis. They are considered to be central during the regulation of gene expression through numerous mechanisms and provide a means to develop biomarkers and therapeutic tools for the diagnosis and therapy of atherosclerosis. Circulating miRNAs encapsulated within membrane-surrounded vesicles, which originate from diverse subcellular compartments, are now emerging as novel regulators of intercellular communication. The miRNAs, in both freely circulating and vesicle-bound forms, represent a valuable tool for diagnosing and monitoring CVD, recently termed as "liquid biopsy." Critical Issues: However, despite the recent advancements in miRNA-based diagnostics and therapeutics, understanding how miRNAs can regulate atherosclerosis is still crucial to achieving an effective intervention and reducing the disease burden. Future Directions: We provide a landscape of the current developmental progression of RNA therapeutics as a holistic approach for treating CVD in different animal models and clinical trials. Future interrogations are warranted for the development of miRNA-based therapeutics to overcome challenges for the treatment of the disease.
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Affiliation(s)
- Mohammed Rabiul Hosen
- Department of Internal Medicine II, Molecular Cardiology, Heart Center Bonn, Rheinische Friedrich-Wilhelms University Bonn, Bonn, Germany
| | - Philip Roger Goody
- Department of Internal Medicine II, Molecular Cardiology, Heart Center Bonn, Rheinische Friedrich-Wilhelms University Bonn, Bonn, Germany
| | - Andreas Zietzer
- Department of Internal Medicine II, Molecular Cardiology, Heart Center Bonn, Rheinische Friedrich-Wilhelms University Bonn, Bonn, Germany
| | - Georg Nickenig
- Department of Internal Medicine II, Molecular Cardiology, Heart Center Bonn, Rheinische Friedrich-Wilhelms University Bonn, Bonn, Germany
| | - Felix Jansen
- Department of Internal Medicine II, Molecular Cardiology, Heart Center Bonn, Rheinische Friedrich-Wilhelms University Bonn, Bonn, Germany
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18
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Kong L, Li K, Gao L, Yin A, Zhou L, Teng G, Huang P. Mediating effects of platelet-derived extracellular vesicles on PM 2.5-induced vascular endothelial injury. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 198:110652. [PMID: 32380305 DOI: 10.1016/j.ecoenv.2020.110652] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 06/11/2023]
Abstract
At present, PM2.5 exposure has been considered as a major risk factor for cardiovascular disease. Most studies have focused on the toxic mechanism of PM2.5 in direct contact with cells or biomolecules, only few studies have reported the toxic mechanism of PM2.5 mediated by intercellular communication. Extracellular vesicles are the main carriers of intercellular communication and signal transduction in vivo, and play a vital role in the occurrence and development of cardiovascular disease. Therefore, the present research aimed to determine whether platelets-derived extracellular vesicles (P-EVs) secreted from PM2.5-exposed platelets are transferred into the human umbilical vein endothelial cells (HUVECs) and mediated the PM2.5-induced vascular endothelial injury by affecting normal cellular function. The result showed that P-EVs secreted from PM2.5-exposed platelets significantly reduced the proliferation promoting effect of normal P-EVs on vascular endothelium by decreasing the effective factors promoting vascular endothelial growth. Meanwhile, the levels of intercellular adhesion molecules, proinflammatory factors (ICAM-1, IL-6, and TNF-α) and the ROS level of HUVECs were markedly elevated. In addition, the apoptotic rate was increased via up-regulating the protein level of cytochrome-C(Cyt C), Bax, cleaved caspase-3 and down-regulating Bcl-2 in HUVECs, indicating that mitochondrial apoptotic pathway was activated by P-EVs secreted from PM2.5-exposed platelets. Further, the expression level of P-EVs targeted miRNAs in HUVECs was altered, indicating that miRNAs released from P-EVs were transferred to HUVECs and regulated the cellular function, while PM2.5 could inhibit this regulatory effect. In summary, these results demonstrate that the P-EVs secreted from PM2.5-exposed platelets can enter the HUVECs, which mediate the PM2.5-induced vascular endothelial injury. These findings provide a new perspective and theoretical basis for further exploring the mechanism of cardiovascular damage caused by PM2.5 exposure.
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Affiliation(s)
- Ling Kong
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Kexin Li
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Lifang Gao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Aihong Yin
- Core Facilities Center, Capital Medical University, Beijing, 100069, China
| | - Lihong Zhou
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Gesi Teng
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China
| | - Peili Huang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069, China.
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19
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Hu Y, Xu R, He Y, Zhao Z, Mao X, Lin L, Hu J. Downregulation of microRNA‑106a‑5p alleviates ox‑LDL‑mediated endothelial cell injury by targeting STAT3. Mol Med Rep 2020; 22:783-791. [PMID: 32626987 PMCID: PMC7339537 DOI: 10.3892/mmr.2020.11147] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 11/18/2019] [Indexed: 12/19/2022] Open
Abstract
The apoptosis of endothelial cells (ECs) induced by oxidized low-density lipoprotein (ox-LDL) is an important contributing factor in the pathogenesis of atherosclerosis. It has been reported that microRNA (miR)-106a-5p is overexpressed in atherosclerotic plaques and involved in angiogenesis. However, its role and underlying mechanisms in ox-LDL induced EC apoptosis remain to be fully understood. In the present study the expression of miR-106a-5p in human umbilical vein ECs (HUVECs) stimulated with ox-LDL was investigated using reverse transcription-quantitative PCR analysis. Cell viability and apoptosis were assessed by MTT assay and flow cytometry, respectively. Caspase-3 activity and reactive oxygen species (ROS) levels were determined by commercial kits. The interaction between miR-106a-5p and signal transducer and activator of transcription 3 (STAT3) mRNA was examined by luciferase reporter assay. It was found that ox-LDL treatment significantly increased the levels of miR-106a-5p in a dose-dependent manner in HUVECs. Moreover, these results demonstrated that ox-LDL treatment inhibited cell viability, promoted cell apoptosis, increased caspase-3 activity and ROS levels, whereas inhibition of miR-106a-5p reversed the effects of ox-LDL on HUVECs. In addition, it was shown that STAT3 is a direct target of miR-106a-5p in HUVECs, and silencing of STAT3 impaired the protective effects of miR-106a-5p inhibition on cell apoptosis and oxidative injury induced by ox-LDL. Collectively, these results indicated that miR-106a-5p participated in ox-LDL-stimulated apoptosis and oxidative injury in HUVECs by regulating STAT3. Thus, suggesting that miR-106a-5p/STAT3 may serve as a novel therapeutic target for atherosclerosis in the future.
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Affiliation(s)
- Ying Hu
- Department of Geriatrics, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
| | - Rong Xu
- Department of Geriatrics, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
| | - Yue He
- Department of Cardiology, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
| | - Zhibo Zhao
- Department of Cardiology, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
| | - Xudong Mao
- Department of Geriatrics, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
| | - Ling Lin
- Department of Geriatrics, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
| | - Jun Hu
- Department of Geriatrics, The Central Hospital of Xuhui District, Shanghai 200031, P.R. China
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20
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High level of circulating microRNA-142 is associated with acute myocardial infarction and reduced survival. Ir J Med Sci 2020; 189:933-937. [PMID: 32064546 DOI: 10.1007/s11845-020-02196-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 02/05/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Recent study reported that microRNA-142 (miR-142) were up-regulated in the atherosclerotic plaques, which may be responsible for pathogenesis of atherosclerosis. However, whether it associates with presence of acute myocardial infarction (AMI), and its prognostic value is still unknown. We, therefore, investigated the association between miR-142 expression and presence of AMI, and its prognostic value in AMI patients. METHODS We included 300 AMI patients and 100 subjects as the control group. MiR-142 content was detected by quantitative real-time polymerase chain reaction. MiR-142 level was identified in all subjects. The multivariate logistic regression analysis were performed to evaluate the risk factors of AMI. The Kaplan-Meier analysis was performed to determine the major adverse cardiovascular and cerebrovascular events (MACCE)-free survival. RESULTS AMI group had significantly higher miR-142 level in comparison to the controls [4.10 (2.03-7.43) vs. 1.92 (0.91-2.91), p < 0.001], moreover, miR-142 content was significantly associated with cardiac troponin I (cTnI) level (r = 0.707, p < 0.001). The MACCE-free survival was significantly lower over 24-month for patients in miR-142 high expression group (72.4% ± 5.6% vs. 76.4% ± 5.1%) (p = 0.022). After adjusting for the traditional risk factors, the odds ratios of miR-142 was 14.74 (95% CI, 2.15-101.24). The multivariate logistic regression analysis revealed that miR-142 level significantly associated with presence of AMI (p < 0.001). CONCLUSION The serum level of miR-142 was increased in AMI patients when compared with health population. Furthermore, use of this marker may allow a certain predictor of the MACCE in AMI patients.
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21
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Shoeibi S. Diagnostic and theranostic microRNAs in the pathogenesis of atherosclerosis. Acta Physiol (Oxf) 2020; 228:e13353. [PMID: 31344321 DOI: 10.1111/apha.13353] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/22/2019] [Accepted: 07/23/2019] [Indexed: 12/12/2022]
Abstract
MicroRNAs (miRNAs) are a group of small single strand and noncoding RNAs that regulate several physiological and molecular signalling pathways. Alterations of miRNA expression profiles may be involved with pathophysiological processes underlying the development of atherosclerosis and cardiovascular diseases, including changes in the functions of the endothelial cells and vascular smooth muscle cells, such as cell proliferation, migration and inflammation, which are involved in angiogenesis, macrophage function and foam cell formation. Thus, miRNAs can be considered to have a crucial role in the progression, modulation and regulation of every stage of atherosclerosis. Such potential biomarkers will enable us to predict therapeutic response and prognosis of cardiovascular diseases and adopt effective preclinical and clinical treatment strategies. In the present review article, the current data regarding the role of miRNAs in atherosclerosis were summarized and the potential miRNAs as prognostic, diagnostic and theranostic biomarkers in preclinical and clinical studies were further discussed. The highlights of this review are expected to present opportunities for future research of clinical therapeutic approaches in vascular diseases resulting from atherosclerosis with an emphasis on miRNAs.
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Affiliation(s)
- Sara Shoeibi
- Atherosclerosis Research Center Ahvaz Jundishapur University of Medical Sciences Ahvaz Iran
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22
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MicroRNA-122 promotes endothelial cell apoptosis by targeting XIAP: Therapeutic implication for atherosclerosis. Life Sci 2019; 232:116590. [PMID: 31228514 DOI: 10.1016/j.lfs.2019.116590] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/17/2019] [Accepted: 06/18/2019] [Indexed: 01/05/2023]
Abstract
Endothelial cell (EC) apoptosis is fundamental for the pathophysiology of atherosclerosis, in which microRNAs (miRNAs) emerge as critical regulators. miR-122 has been shown to regulate the apoptosis of various cell types, however, whether miR-122 is associated with atherosclerosis and EC apoptosis remains unknown. In this study, we found that miR-122 expression was increased in the aortic ECs of ApoE-/- mice fed with a high-fat diet (HFD), as compared to normal-diet (ND), implying a potential association between miR-122 elevation and atherogenesis. In addition, in vitro, miR-122 expression was also induced in human aortic ECs (HAECs) by the treatment of oxidized low-density lipoprotein (ox-LDL), a common atherogenic factor. Functionally, miR-122 knockdown suppressed ox-LDL-induced apoptosis of HAECs, suggesting a pro-apoptotic role of miR-122 in HAECs under this pro-atherogenic condition. Further evidence revealed that the X-linked inhibitor-of-apoptosis protein (XIAP) was directly targeted and suppressed by miR-122 in HAECs, and more importantly, XIAP knockdown diminished miR-122 effect on apoptosis, thus establishing XIAP as a prominent target that mediates miR-122 regulation of the apoptosis of HAECs. Together, these results may identify miR-122 as a novel regulator in EC apoptosis, which offers it as a possible target for therapeutic interventions of atherosclerosis.
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23
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Karere GM, Glenn JP, Birnbaum S, Garcia R, VandeBerg JL, Cox LA. Identification of coordinately regulated microRNA-gene networks that differ in baboons discordant for LDL-cholesterol. PLoS One 2019; 14:e0213494. [PMID: 30875406 PMCID: PMC6420018 DOI: 10.1371/journal.pone.0213494] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 02/24/2019] [Indexed: 01/03/2023] Open
Abstract
RATIONALE Plasma low-density lipoprotein cholesterol (plasma LDL-C), vascular endothelial cells and peripheral blood mononuclear cells (PBMCs), particularly monocytes, play key roles in initiating atherosclerosis, the primary cause of cardiovascular disease (CVD). Although the mechanisms underlying development of atherosclerosis are not well understood, LDL-C is known to influence expression of endothelial microRNAs (miRNAs) and gene-targets of miRNAs to promote cell senescence. However, the impact of LDL-C on expression of PBMC miRNAs and miRNA targeted genes in response to an atherogenic diet is not known. In this study, we used unbiased methods to identify coordinately responsive PBMC miRNA- gene networks that differ between low and high LDL-C baboons when fed a high-cholesterol, high-fat (HCHF) diet. METHODS AND RESULTS Using RNA Seq, we quantified PBMC mRNAs and miRNAs from half-sib baboons discordant for LDL-C plasma concentrations (low LDL-C, n = 3; high LDL-C, n = 3) before and after a 7-week HCHF diet challenge. For low LDL-C baboons, 626 genes exhibited significant change in expression (255 down-regulated, 371 up-regulated) in response to the HCHF diet, and for high LDL-C baboons 379 genes exhibited significant change in expression (162 down-regulated, 217 up-regulated) in response to the HCHF diet. We identified 494 miRNAs identical to human miRNAs and 47 novel miRNAs. Fifty miRNAs were differentially expressed in low LDL-C baboons (21 up- and 29 down-regulated) and 20 in high LDL-C baboons (11 up- and 9 down-regulated) in response to the HCHF diet. Among the differentially expressed miRNAs were miR-221/222 and miR-34a-3p, which were down-regulated, and miR-148a/b-5p, which was up-regulated. In addition, gene-targets of these miRNAs, VEGFA, MAML3, SPARC, and DMGDH, were inversely expressed and are central hub genes in networks and signaling pathways that differ between low and high LDL-C baboon HCHF diet response. CONCLUSIONS We have identified coordinately regulated HCHF diet-responsive PBMC miRNA-gene networks that differ between baboons discordant for LDL-C concentrations. Our findings provide potential insights into molecular mechanisms underlying initiation of atherosclerosis where LDL-C concentrations influence expression of specific miRNAs, which in turn regulate expression of genes that play roles in initiation of lesions.
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Affiliation(s)
- Genesio M. Karere
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, United States of America
- Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
| | - Jeremy P. Glenn
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, United States of America
| | - Shifra Birnbaum
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, United States of America
| | - Roy Garcia
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, United States of America
| | - John L. VandeBerg
- Department of Human Genetics and South Texas Diabetes and Obesity Institute, School of Medicine,The University of Texas Rio Grande Valley, Brownsville/Harlingen/Edinburg, TX, United States of America
| | - Laura A. Cox
- Department of Genetics, Texas Biomedical Research Institute, San Antonio, TX, United States of America
- Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, TX, United States of America
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24
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Fernández-Hernando C, Suárez Y. MicroRNAs in endothelial cell homeostasis and vascular disease. Curr Opin Hematol 2019; 25:227-236. [PMID: 29547400 DOI: 10.1097/moh.0000000000000424] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW Since the first discovery of microRNAs (miRNAs) in 1993, the involvement of miRNAs in different aspects of vascular disease has emerged as an important research field. In this review, we summarize the fundamental roles of miRNAs in controlling endothelial cell functions and their implication with several aspects of vascular dysfunction. RECENT FINDINGS MiRNAs have been found to be critical modulators of endothelial homeostasis. The dysregulation of miRNAs has been linked to endothelial dysfunction and the development and progression of vascular disease which and open new opportunities of using miRNAs as potential therapeutic targets for vascular disease. SUMMARY Further determination of miRNA regulatory circuits and defining miRNAs-specific target genes remains key to future miRNA-based therapeutic applications toward vascular disease prevention. Many new and unanticipated roles of miRNAs in the control of endothelial functions will assist clinicians and researchers in developing potential therapeutic applications.
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Affiliation(s)
- Carlos Fernández-Hernando
- Program in Integrative Cell Signaling and Neurobiology of Metabolism, Department of Comparative Medicine, Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, Connecticut, USA
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25
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A systems biology network analysis of nutri(epi)genomic changes in endothelial cells exposed to epicatechin metabolites. Sci Rep 2018; 8:15487. [PMID: 30341379 PMCID: PMC6195584 DOI: 10.1038/s41598-018-33959-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 09/26/2018] [Indexed: 12/21/2022] Open
Abstract
Although vasculo-protective effects of flavan-3-ols are widely accepted today, their impact on endothelial cell functions and molecular mechanisms of action involved is not completely understood. The aim of this study was to characterize the potential endothelium-protective effects of circulating epicatechin metabolites and to define underlying mechanisms of action by an integrated systems biology approach. Reduced leukocyte rolling over vascular endothelium was observed following epicatechin supplementation in a mouse model of inflammation. Integrative pathway analysis of transcriptome, miRNome and epigenome profiles of endothelial cells exposed to epicatechin metabolites revealed that by acting at these different levels of regulation, metabolites affect cellular pathways involved in endothelial permeability and interaction with immune cells. In-vitro experiments on endothelial cells confirmed that epicatechin metabolites reduce monocyte adhesion and their transendothelial migration. Altogether, our in-vivo and in-vitro results support the outcome of a systems biology based network analysis which suggests that epicatechin metabolites mediate their vasculoprotective effects through dynamic regulation of endothelial cell monocyte adhesion and permeability. This study illustrates complex and multimodal mechanisms of action by which epicatechin modulate endothelial cell integrity.
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26
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Khosravi M, Hosseini-Fard R, Najafi M. Circulating low density lipoprotein (LDL). Horm Mol Biol Clin Investig 2018; 35:/j/hmbci.ahead-of-print/hmbci-2018-0024/hmbci-2018-0024.xml. [PMID: 30059347 DOI: 10.1515/hmbci-2018-0024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 06/22/2018] [Indexed: 12/13/2022]
Abstract
Low-density lipoprotein (LDL) particles are known as atherogenic agents in coronary artery diseases. They modify to other electronegative forms and may be the subject for improvement of inflammatory events in vessel subendothelial spaces. The circulating LDL value is associated with the plasma PCSK-9 level. They internalize into macrophages using the lysosomal receptor-mediated pathways. LDL uptake is related to the membrane scavenger receptors, modifications of lipid and protein components of LDL particles, vesicular maturation and lipid stores of cells. Furthermore, LDL vesicular trafficking is involved with the function of some proteins such as Rab and Lamp families. These proteins also help in the transportation of free cholesterol from lysosome into the cytosol. The aggregation of lipids in the cytosol is a starting point for the formation of foam cells so that they may participate in the primary core of atherosclerosis plaques. The effects of macrophage subclasses are different in the formation and remodeling of plaques. This review is focused on the cellular and molecular events involved in cholesterol homeostasis.
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Affiliation(s)
- Mohsen Khosravi
- Biochemistry Department, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Hosseini-Fard
- Biochemistry Department, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Najafi
- Cellular and Molecular Research Center, Biochemistry Department, Iran University of Medical Sciences, Tehran, Iran, Phone: 09155192401
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27
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Das A, Samidurai A, Salloum FN. Deciphering Non-coding RNAs in Cardiovascular Health and Disease. Front Cardiovasc Med 2018; 5:73. [PMID: 30013975 PMCID: PMC6036139 DOI: 10.3389/fcvm.2018.00073] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 05/29/2018] [Indexed: 12/16/2022] Open
Abstract
After being long considered as “junk” in the human genome, non-coding RNAs (ncRNAs) currently represent one of the newest frontiers in cardiovascular disease (CVD) since they have emerged in recent years as potential therapeutic targets. Different types of ncRNAs exist, including small ncRNAs that have fewer than 200 nucleotides, which are mostly known as microRNAs (miRNAs), and long ncRNAs that have more than 200 nucleotides. Recent discoveries on the role of ncRNAs in epigenetic and transcriptional regulation, atherosclerosis, myocardial ischemia/reperfusion (I/R) injury and infarction (MI), adverse cardiac remodeling and hypertrophy, insulin resistance, and diabetic cardiomyopathy prompted vast interest in exploring candidate ncRNAs for utilization as potential therapeutic targets and/or diagnostic/prognostic biomarkers in CVDs. This review will discuss our current knowledge concerning the roles of different types of ncRNAs in cardiovascular health and disease and provide some insight on the cardioprotective signaling pathways elicited by the non-coding genome. We will highlight important basic and clinical breakthroughs that support employing ncRNAs for treatment or early diagnosis of a variety of CVDs, and also depict the most relevant limitations that challenge this novel therapeutic approach.
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Affiliation(s)
- Anindita Das
- Pauley Heart Center, Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Arun Samidurai
- Pauley Heart Center, Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Fadi N Salloum
- Pauley Heart Center, Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, United States
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28
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Zhong X, Li P, Li J, He R, Cheng G, Li Y. Downregulation of microRNA‑34a inhibits oxidized low‑density lipoprotein‑induced apoptosis and oxidative stress in human umbilical vein endothelial cells. Int J Mol Med 2018; 42:1134-1144. [PMID: 29750293 DOI: 10.3892/ijmm.2018.3663] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 04/26/2018] [Indexed: 11/06/2022] Open
Abstract
Oxidized low‑density lipoprotein (ox‑LDL) promotes endothelial cell dysfunction, which is a primary risk factor for the development of atherosclerosis. A previous study reported that microRNA (miRNA/miR)‑34a is upregulated in atherosclerotic samples. However, its function and underlying mechanisms remain to be fully elucidated. In the present study, miRNA microarray analysis was performed to investigate the miRNA expression profile in atherosclerotic plaque tissues and examine the role of miR‑34a in ox‑LDL‑induced apoptosis of human umbilical vein endothelial cells (HUVECs). Cell viability, apoptosis and protein expression was determined by a cell counting kit‑8 assay, flow cytometry and western blot analysis, respectively. It was observed that miR‑34a was upregulated in atherosclerotic plaque tissues and that ox‑LDL treatment significantly increased the levels of miR‑34a in a dose‑dependent manner in the HUVECs. The knockdown of miR‑34a increased the protein expression of B‑cell lymphoma 2 (Bcl‑2) and cell viability, improved mitochondrial membrane potential, and decreased the activity of caspase‑3, number of apoptotic cells and release of cytochrome c from mitochondria in the ox‑LDL‑treated HUVECs. The results also demonstrated that the knockdown of miR‑34a suppressed the levels of ox‑LDL‑induced reactive oxygen species (ROS) in HUVECs. Additionally, it was found that Bcl‑2 was a target of miR‑34a in HUVECs, and that silencing Bcl‑2 abrogated the protective effects of the downregulation of miR‑34a on ox‑LDL‑induced apoptosis. These data indicated that the knockdown of miR‑34a protected against ox‑LDL apoptosis and ROS in HUVECs via inhibiting the mitochondrial apoptotic pathway, suggesting it may offer potential as a biomarker in the clinical diagnosis and as a target for the treatment of atherosclerosis.
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Affiliation(s)
- Xiaoming Zhong
- Department of Cardiology, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
| | - Peng Li
- Department of Cardiology, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
| | - Juan Li
- Department of Cardiology, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
| | - Ruili He
- Department of Cardiology, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
| | - Guanchang Cheng
- Department of Cardiology, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
| | - Yanming Li
- Department of Cardiology, Huaihe Hospital of Henan University, Kaifeng, Henan 475000, P.R. China
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29
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Aryal B, Suárez Y. Non-coding RNA regulation of endothelial and macrophage functions during atherosclerosis. Vascul Pharmacol 2018; 114:64-75. [PMID: 29551552 DOI: 10.1016/j.vph.2018.03.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 02/12/2018] [Accepted: 03/01/2018] [Indexed: 12/16/2022]
Abstract
The endothelial lining can be viewed as the first line of defense against risk factors of vascular disease. Endothelial dysfunction is regarded as an initial event for atherogenesis since defects in vascular integrity and homeostasis are responsible for lipid infiltration and recruitment of monocytes into the vessel wall. Monocytes-turned-macrophages, which possess astounding inflammatory plasticity, perpetuate chronic inflammation and growth of atherosclerotic plaques and, are therefore central for the pathogenesis of atherosclerosis. Because endothelial cells and macrophages are key players during atherogenesis, it is crucial to understand the regulation of their functions in order to develop strategies to intervene disease progression. Interestingly, non-coding RNAs (ncRNAs), broad class of RNA molecules that do not code for proteins, are capable of reprogramming multiple cell functions and, thus, can be used as target agents. MicroRNAs are small ncRNAs whose roles in the regulation of vascular functions and development of atherosclerosis through post-transcriptional manipulation of gene expression have been widely explored. Recently, other ncRNAs including long noncoding RNAs (lncRNAs) have also emerged as potential regulators of these functions. However, given their poor-genetic conservation between species, much work will be needed to elucidate the specific role of lncRNAs in vascular biology. This review aims to provide a comprehensive perspective of ncRNA, mostly focusing in lncRNAs, mechanism of action and relevance in regulating lipid metabolism-independent endothelial and macrophages functions in the pathogenesis of atherosclerosis.
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Affiliation(s)
- Binod Aryal
- Department of Comparative Medicine, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Yajaira Suárez
- Department of Comparative Medicine, Yale University School of Medicine, New Haven, CT 06520, USA; Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA..
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30
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Mo JL, Liu Q, Kou ZW, Wu KW, Yang P, Chen XH, Sun FY. MicroRNA-365 modulates astrocyte conversion into neuron in adult rat brain after stroke by targeting Pax6. Glia 2018; 66:1346-1362. [PMID: 29451327 PMCID: PMC6001668 DOI: 10.1002/glia.23308] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 01/18/2018] [Accepted: 01/29/2018] [Indexed: 01/01/2023]
Abstract
Reactive astrocytes induced by ischemia can transdifferentiate into mature neurons. This neurogenic potential of astrocytes may have therapeutic value for brain injury. Epigenetic modifications are widely known to involve in developmental and adult neurogenesis. PAX6, a neurogenic fate determinant, contributes to the astrocyte‐to‐neuron conversion. However, it is unclear whether microRNAs (miRs) modulate PAX6‐mediated astrocyte‐to‐neuron conversion. In the present study we used bioinformatic approaches to predict miRs potentially targeting Pax6, and transient middle cerebral artery occlusion (MCAO) to model cerebral ischemic injury in adult rats. These rats were given striatal injection of glial fibrillary acidic protein targeted enhanced green fluorescence protein lentiviral vectors (Lv‐GFAP‐EGFP) to permit cell fate mapping for tracing astrocytes‐derived neurons. We verified that miR‐365 directly targets to the 3′‐UTR of Pax6 by luciferase assay. We found that miR‐365 expression was significantly increased in the ischemic brain. Intraventricular injection of miR‐365 antagomir effectively increased astrocytic PAX6 expression and the number of new mature neurons derived from astrocytes in the ischemic striatum, and reduced neurological deficits as well as cerebral infarct volume. Conversely, miR‐365 agomir reduced PAX6 expression and neurogenesis, and worsened brain injury. Moreover, exogenous overexpression of PAX6 enhanced the astrocyte‐to‐neuron conversion and abolished the effects of miR‐365. Our results demonstrate that increase of miR‐365 in the ischemic brain inhibits astrocyte‐to‐neuron conversion by targeting Pax6, whereas knockdown of miR‐365 enhances PAX6‐mediated neurogenesis from astrocytes and attenuates neuronal injury in the brain after ischemic stroke. Our findings provide a foundation for developing novel therapeutic strategies for brain injury.
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Affiliation(s)
- Jia-Lin Mo
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Qi Liu
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Zeng-Wei Kou
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Kun-Wei Wu
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China.,Institute for Basic Research on Aging and Medicine, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ping Yang
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Xian-Hua Chen
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Feng-Yan Sun
- Department of Neurobiology and State Key Laboratory of Medical Neurobiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China.,Shanghai Key Laboratory of Clinical Geriatric Medicine, Research Center on Aging and Medicine, Shanghai Medical College, Fudan University, Shanghai, 200032, China.,Institute for Basic Research on Aging and Medicine, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China
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31
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Gangwar RS, Rajagopalan S, Natarajan R, Deiuliis JA. Noncoding RNAs in Cardiovascular Disease: Pathological Relevance and Emerging Role as Biomarkers and Therapeutics. Am J Hypertens 2018; 31:150-165. [PMID: 29186297 DOI: 10.1093/ajh/hpx197] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 11/20/2017] [Indexed: 12/12/2022] Open
Abstract
Noncoding RNAs (ncRNA) include a diverse range of functional RNA species-microRNAs (miRNAs) and long noncoding RNAs (lncRNAs) being most studied in pathophysiology. Cardiovascular morbidity is associated with differential expression of myriad miRNAs; miR-21, miR-155, miR-126, miR-146a/b, miR-143/145, miR-223, and miR-221 are the top 9 most reported miRNAs in hypertension and atherosclerotic disease. A single miRNA may have hundreds of messenger RNA targets, which makes a full appreciation of the physiologic ramifications of such broad-ranging effects a challenge. miR-21 is the most prominent ncRNA associated with hypertension and atherosclerotic disease due to its role as a "mechano-miR", responding to arterial shear stresses. "Immuno-miRs", such as miR-155 and miR-223, affect cardiovascular disease (CVD) via regulation of hematopoietic cell differentiation, chemotaxis, and activation in response to many pro-atherogenic stimuli. "Myo-miRs", such as miR-1 and miR-133, affect cardiac muscle plasticity and remodeling in response to mechanical overload. This in-depth review analyzes observational and experimental reports of ncRNAs in CVD, including future applications of ncRNA-based strategies in diagnosis, prediction (e.g., survival and response to small molecule therapy), and biologic therapy.
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Affiliation(s)
- Roopesh S Gangwar
- Cardiovascular Research Institute (CVRI), Case Western Reserve University, Cleveland, Ohio, USA
| | - Sanjay Rajagopalan
- Cardiovascular Research Institute (CVRI), Case Western Reserve University, Cleveland, Ohio, USA
| | - Rama Natarajan
- Department of Diabetes Complications and Metabolism, Beckman Research Institute of City of Hope, Duarte, California, USA
| | - Jeffrey A Deiuliis
- Cardiovascular Research Institute (CVRI), Case Western Reserve University, Cleveland, Ohio, USA
- Department of Medicine, Center for RNA Science and Therapeutics, Case Western Reserve University, Cleveland, Ohio, USA
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胡 司, 李 辉, 康 品, 陈 天, 李 妙, 朱 建, 高 大, 张 恒, 王 洪. [Effects of simvastatin on aortic vascular endothelial cell apoptosis and Bcl-2 protein expression in a rat model of atherosclerosis]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2017; 37:1456-1460. [PMID: 29180324 PMCID: PMC6779642 DOI: 10.3969/j.issn.1673-4254.2017.11.05] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Indexed: 05/21/2023]
Abstract
OBJECTIVE To explore the effects of simvastatin on vascular endothelial cell apoptosis and Bcl-2 protein expression in the aorta in a rat model of atherosclerosis. METHODS Thirty-six rats were randomized into control group (n=10), atherosclerosis model group (n=13) and simvastatin intervention group (n=13). In the latter two groups, rat models of atherosclerosis were established by intraperitoneal injection of vitamin D3 combined with high-fat feeding for 6 weeks, and the control rats were fed with regular diet. In the intervention group, the rats were further fed with high-fat diet with daily simvastatin treatment for 4 weeks. After the treatments, the pathological changes and plaque in the thoracic aorta were observed, and the expression of Bcl-2 protein was detected with immunohistochemistry. TUNEL assay was used to determine the apoptosis index (AI) of the vascular endothelial cells. RESULTS Compared with that in the control group, Bcl-2 protein expression in the aorta of atherosclerotic rats was significantly decreased (P<0.05); simvastatin treatment obviously increased the expression of Bcl-2 protein in atherosclerotic rats (P<0.05) to a level similar to that in the control group. The AI was the highest in the model group (P<0.05) and comparable between the control and simvastatin treatment group. CONCLUSION The therapeutic effect of simvastatin against atherosclerosis is probably mediated by up-regulation of Bcl-2 protein, which inhibits vascular endothelial cell apoptosis in rats with aortic atherosclerosis.
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Affiliation(s)
- 司淦 胡
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 辉 李
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 品方 康
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 天平 陈
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 妙男 李
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 建 朱
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 大胜 高
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 恒 张
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
| | - 洪巨 王
- />蚌埠医学院第一附属医院 心血管科,安徽 蚌埠 233004Department of Cardiovascular Medicine, First Affiliated Hospital, Bengbu Medical College, Bengbu 233004, China
- 王洪巨,博士,教授,E-mail:
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33
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Liu J, Zhu G, Xu S, Liu S, Lu Q, Tang Z. Analysis of miRNA expression profiling in human umbilical vein endothelial cells affected by heat stress. Int J Mol Med 2017; 40:1719-1730. [PMID: 29039486 PMCID: PMC5716433 DOI: 10.3892/ijmm.2017.3174] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 09/28/2017] [Indexed: 12/20/2022] Open
Abstract
To investigate the regulation of endothelial cell (EC) microRNAs (miRNAs) altered by heat stress, miRNA microarrays and bioinformatics methods were used to determine changes in miRNA profiles and the pathophysiological characteristics of differentially expressed miRNAs. A total of 31 differentially expressed miRNAs were identified, including 20 downregulated and 11 upregulated miRNAs. Gene Ontology (GO) enrichment analysis revealed that the validated targets of the differentially expressed miRNAs were significantly enriched in gene transcription regulation. The pathways were also significantly enriched in the Kyoto Encyclopedia of Genes and Genomes analysis, and most were cancer-related, including the mitogen-activated protein kinase signaling pathway, pathways involved in cancer, the Wnt signaling pathway, the Hippo signaling pathway, proteoglycans involved in cancer and axon guidance. The miRNA-gene and miRNA-GO network analyses revealed several hub miRNAs, genes and functions. Notably, miR-3613-3p played a dominant role in both networks. MAP3K2, MGAT4A, TGFBR1, UBE2R2 and SMAD4 were most likely to be controlled by the altered miRNAs in the miRNA-gene network. The miRNA-GO network analysis revealed significantly complicated associations between miRNAs and different functions, and that the significantly enriched functions targeted by the differentially expressed miRNAs were mostly involved in regulating gene transcription. The present study demonstrated that miRNAs are involved in the pathophysiology of heat-treated ECs. Understanding the functions of miRNAs may provide novel insights into the molecular mechanisms underlying the heat-induced pathophysiology of ECs.
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Affiliation(s)
- Jie Liu
- Department of Emergency, Wuhan General Hospital of People's Liberation Army of China, Wuhan, Hubei 430070, P.R. China
| | - Guoguo Zhu
- Department of Emergency, Wuhan General Hospital of People's Liberation Army of China, Wuhan, Hubei 430070, P.R. China
| | - Siya Xu
- Department of Emergency, Wuhan General Hospital of People's Liberation Army of China, Wuhan, Hubei 430070, P.R. China
| | - Shixin Liu
- Department of Emergency, Wuhan General Hospital of People's Liberation Army of China, Wuhan, Hubei 430070, P.R. China
| | - Qiping Lu
- Department of General Surgery, Wuhan General Hospital of People's Liberation Army of China, Wuhan, Hubei 430070, P.R. China
| | - Zhongzhi Tang
- Department of Emergency, Wuhan General Hospital of People's Liberation Army of China, Wuhan, Hubei 430070, P.R. China
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Kang H, Hong SH, Sung J, Yeo WS. Combination of Mass Signal Amplification and Isotope-Labeled Alkanethiols for the Multiplexed Detection of miRNAs. Chem Asian J 2017; 12:1895-1899. [PMID: 28593740 DOI: 10.1002/asia.201700696] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 06/05/2017] [Indexed: 11/06/2022]
Abstract
We report a fast and sensitive method for the multiplexed detection of miRNAs by combining mass signal amplification and isotope-labeled signal reporter molecules. In our strategy, target miRNAs are captured specifically by immobilized DNAs on gold nanoparticles (AuNPs), which carry a large number of small molecules, called amplification tags (Am-tags), as the reporter for the detection of target miRNAs. For multiplexed detection, we designed and synthesized four Am-tags containing 0, 4, 8, 12 isotopes so that they had same molecular properties but different molecular weights. By observing the mass signals of the Am-tags on AuNPs decorated along with different probe DNAs, four types of miRNAs in a sample could be easily discriminated, and the relative amounts of these miRNAs could be quantified. The practicability of our strategy was further verified by measuring the expression levels of two miRNAs in HUVECs in response to different CuSO4 concentrations.
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Affiliation(s)
- Hyunook Kang
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 143-701, Korea
| | - Seol-Hye Hong
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 143-701, Korea
| | - Jiha Sung
- Department of Applied Chemistry, Dongduk Women's University, Seoul, 02748, Korea
| | - Woon-Seok Yeo
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 143-701, Korea
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Li M, Yang Y, Kuang Y, Gan X, Zeng W, Liu Y, Guan H. miR-365 induces hepatocellular carcinoma cell apoptosis through targeting Bcl-2. Exp Ther Med 2017; 13:2279-2285. [PMID: 28565839 PMCID: PMC5443224 DOI: 10.3892/etm.2017.4244] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 11/25/2016] [Indexed: 12/27/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is currently ranked as the third leading cause of cancer-related mortality worldwide. microRNAs (miRs) serve important roles in the development and progression of HCC. miR-365 has been demonstrated to function as a tumor suppressor in several types of cancer, including HCC; however, the mechanisms by which miR-365 regulates HCC apoptosis remains to be elucidated. In the present study, reverse transcription-quantitative polymerase chain reaction was performed to determine miR-365 expression levels in HCC and normal liver (LO2) cells. miR-365 overexpression was induced in SMC7721 cells using a plasmid-based system, and Cell Counting Kit-8 and TUNEL assays were performed to detect cell activity and apoptosis following miR-365 transfection. A luciferase assay was performed to determine the direct target of miR-365 in apoptosis regulation. Furthermore, a subcutaneously transplanted tumor model was established to evaluate the effects of miR-365 on tumor growth in vivo. The tumor tissue was used for further proliferation and apoptosis detection. The results of the present study indicated that miR-365 expression was significantly lower in HCC cells compared with LO2 cells (P<0.01). Transfection of SMC7721 cells with miR-365 plasmid significantly inhibited cell activity by inducing apoptosis (P<0.01). Luciferase assay indicated that miR-365 targets B-cell lymphoma 2 (Bcl-2) directly and therefore induces the downstream expression of pro-apoptotic proteins. The SMC7721 primary tumor growth was significantly reduced by miR-365 transfection (P<0.01). Further investigation demonstrated that the miR-365 group contained significantly fewer cells that were positive for proliferating cell nuclear antigen (P<0.01) and significantly more apoptotic cells (P<0.01). In conclusion, the results of the present study demonstrated that miR-365 may serve a role in inducing HCC apoptosis via directly targeting Bcl-2. This may provide a novel diagnosis and therapy target for the treatment of patients with HCC.
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Affiliation(s)
- Mingfei Li
- Department of Hepatobiliary Surgery, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Yuan Yang
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610072, P.R. China
| | - Yu Kuang
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610072, P.R. China
| | - Xianfeng Gan
- Department of Hepatobiliary Surgery, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China
| | - Wei Zeng
- Department of Microbiology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610072, P.R. China
| | - Yuping Liu
- Health Management Center, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China,Correspondence to: Dr Hua Guan or Dr Yuping Liu, Health Management Center, Sichuan Provincial People's Hospital, 32 West 2nd Section, 1st Ring Road, Chengdu, Sichuan 610072, P.R. China, E-mail: , E-mail:
| | - Hua Guan
- Health Management Center, Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, P.R. China,Correspondence to: Dr Hua Guan or Dr Yuping Liu, Health Management Center, Sichuan Provincial People's Hospital, 32 West 2nd Section, 1st Ring Road, Chengdu, Sichuan 610072, P.R. China, E-mail: , E-mail:
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Chen H, Xin L, Song X, Wang L, Wang W, Liu Z, Zhang H, Wang L, Zhou Z, Qiu L, Song L. A norepinephrine-responsive miRNA directly promotes CgHSP90AA1 expression in oyster haemocytes during desiccation. FISH & SHELLFISH IMMUNOLOGY 2017; 64:297-307. [PMID: 28286314 DOI: 10.1016/j.fsi.2017.03.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 03/03/2017] [Accepted: 03/07/2017] [Indexed: 06/06/2023]
Abstract
Oyster Crassostrea gigas is one model mollusc inhabiting in the intertidal zone and is frequently stressed by desiccation. The adaptation mechanism of oyster to environmental stress involves multiple levels, and miRNA is one of the most important regulators in post-transcriptional level. In the present study, an oyster norepinephrine-responsive miRNA cgi-miR-365 was proved to contribute to the host adaptation against desiccation by directly promoting the expression of CgHSP90AA1. Briefly, a significant increase of cgi-miR-365 was observed from the first day after aerial exposure and the up-regulation was vigorously repressed when oysters were injected with adrenoceptors antagonists. A total of 15 genes involved in biological regulation, metabolic process and response to stimulus were predicted to be modulated by cgi-miR-365. Among these genes, CgHSP90AA1 was up-regulated significantly during desiccation and could be down-regulated after simultaneous injection of adrenoceptors antagonists. The interaction between cgi-miR-365 and CgHSP90AA1 was subsequently verified in vitro, and a significant promotion of CgHSP90AA1 transcripts was observed after overexpressing cgi-miR-365 in either in vitro luciferase reporter assay or primarily cultured haemocytes. Meanwhile, CgHSP90AA1 transcripts decreased in vivo when cgi-miR-365 was repressed by its inhibitor during desiccation. Collectively, it was suggested that cgi-miR-365 could be induced by norepinephrine during desiccation and promote CgHSP90AA1 expression directly after binding to its 3'-UTR, which would provide new evidence in miRNA-mediated adaptation mechanism in oysters against intertidal stress.
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Affiliation(s)
- Hao Chen
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lusheng Xin
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaorui Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian 116023, China
| | - Lin Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weilin Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhaoqun Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huan Zhang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian 116023, China.
| | - Zhi Zhou
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Limei Qiu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Linsheng Song
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian 116023, China
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Juni RP, Abreu RC, da Costa Martins PA. Regulation of microvascularization in heart failure - an endothelial cell, non-coding RNAs and exosome liaison. Noncoding RNA Res 2017; 2:45-55. [PMID: 30159420 PMCID: PMC6096416 DOI: 10.1016/j.ncrna.2017.01.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Accepted: 01/26/2017] [Indexed: 12/22/2022] Open
Abstract
Heart failure is a complex syndrome involving various pathophysiological processes. An increasing body of evidence shows that the myocardial microvasculature is essential for the homeostasis state and that a decompensated heart is associated with microvascular dysfunction as a result of impaired endothelial angiogenic capacity. The intercellular communication between endothelial cells and cardiomyocytes through various signaling molecules, such as vascular endothelial growth factor, nitric oxide, and non-coding RNAs is an important determinant of cardiac microvascular function. Non-coding RNAs are transported from endothelial cells to cardiomyocytes, and vice versa, regulating microvascular properties and angiogenic processes in the heart. Small-exocytosed vesicles, called exosomes, which are secreted by both cell types, can mediate this intercellular communication. The purpose of this review is to highlight the contribution of the microvasculature to proper heart function maintenance by focusing on the interaction between cardiac endothelial cells and myocytes with a specific emphasis on non-coding RNAs (ncRNAs) in this form of cell-to-cell communication. Finally, the potential of ncRNAs as targets for angiogenesis therapy will also be discussed.
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Affiliation(s)
- Rio P. Juni
- Department of Cardiology, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Ricardo C. Abreu
- Department of Cardiology, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Paula A. da Costa Martins
- Department of Cardiology, CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
- Department of Physiology and Cardiothoracic Surgery, Faculty of Medicine, University of Porto, Porto, Portugal
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Tao SC, Yuan T, Rui BY, Zhu ZZ, Guo SC, Zhang CQ. Exosomes derived from human platelet-rich plasma prevent apoptosis induced by glucocorticoid-associated endoplasmic reticulum stress in rat osteonecrosis of the femoral head via the Akt/Bad/Bcl-2 signal pathway. Am J Cancer Res 2017; 7:733-750. [PMID: 28255363 PMCID: PMC5327646 DOI: 10.7150/thno.17450] [Citation(s) in RCA: 209] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Accepted: 11/22/2016] [Indexed: 12/28/2022] Open
Abstract
An excess of glucocorticoids (GCs) is reported to be one of the most common causes of osteonecrosis of the femoral head (ONFH). In addition, GCs can induce bone cell apoptosis through modulating endoplasmic reticulum (ER) stress. Among the three main signal pathways in ER stress, the PERK (protein kinase RNA-like ER kinase)/CHOP (CCAAT-enhancer-binding protein homologous protein) pathway has been considered to be closely associated with apoptosis. Platelet-rich plasma (PRP) has been referred to as a concentration of growth factors and the exosomes derived from PRP (PRP-Exos) have a similar effect to their parent material. The enriched growth factors can be encapsulated into PRP-Exos and activate Akt and Erk pathways to promote angiogenesis. Activation of the Akt pathway may promote the expression of anti-apoptotic proteins like Bcl-2, while CHOP can inhibit B-cell lymphoma 2 (Bcl-2) expression to increase the level of cleaved caspase-3 and lead to cell death. Consequently, we hypothesized that PRP-Exos prevent apoptosis induced by glucocorticoid-associated ER stress in rat ONFH via the Akt/Bad/Bcl-2 signal pathway. To verify this hypothesis, a dexamethasone (DEX)-treated in vitro cell model and methylprednisolone (MPS)-treated in vivo rat model were adopted. Characterization of PRP-Exos, and effects of PRP-Exos on proliferation, apoptosis, angiogenesis, and osteogenesis of cells treated with GCs in vitro and in vivo were examined. Furthermore, the mechanism by which PRP-Exos rescue the GC-induced apoptosis through the Akt/Bad/Bcl-2 pathway was also investigated. The results indicate that PRP-Exos have the capability to prevent GC-induced apoptosis in a rat model of ONFH by promoting Bcl-2 expression via the Akt/Bad/Bcl-2 signal pathway under ER stress.
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Association of Polymorphisms in three pri-miRNAs that Target Pepsinogen C with the Risk and Prognosis of Gastric Cancer. Sci Rep 2017; 7:39528. [PMID: 28067243 PMCID: PMC5220333 DOI: 10.1038/srep39528] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 11/23/2016] [Indexed: 12/13/2022] Open
Abstract
We aimed to explore the associations of polymorphisms in three microRNAs (miRNAs) (let-7e rs8111742, miR-365b rs121224 and miR-4795 rs1002765) that target PGC with the risk and prognosis of gastric cancer/atrophic gastritis. Sequenom’s MassArray was used to genotype the miRNA polymorphisms in 724 gastric cancer cases, 862 atrophic gastritis cases and 862 controls in a Chinese population. We found that let-7e rs8111742 and miR-4795 rs1002765 were associated with the risk of gastric cancer in the H. pylori-positive subgroup. MiR-365b rs121224 was associated with the risk of intestinal-type gastric cancer in the alcohol consumption subgroup. Intestinal-type gastric cancer patients at Borrmann stages III-IV who carry the miR-365b rs121224 GG genotype had better prognosis compared with those who carry the CG or CC genotypes. MiR-365b rs121224 was associated with Lauren typing and TNM staging, in which the distribution of GG genotype carriers in intestinal-type gastric cancer and the TNM stage I-II subgroup was higher than that of CG or CC genotypes, which contrasted with the distribution in diffuse-type gastric cancer or TNM III-IV groups. These findings suggested that the polymorphisms in these miRNAs might be biomarkers for gastric cancer risk and prognosis, especially for populations infected with Helicobacter pylori or who consume alcohol.
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Function, Role, and Clinical Application of MicroRNAs in Vascular Aging. BIOMED RESEARCH INTERNATIONAL 2016; 2016:6021394. [PMID: 28097140 PMCID: PMC5209603 DOI: 10.1155/2016/6021394] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 11/07/2016] [Accepted: 11/23/2016] [Indexed: 01/31/2023]
Abstract
Vascular aging, a specific type of organic aging, is related to age-dependent changes in the vasculature, including atherosclerotic plaques, arterial stiffness, fibrosis, and increased intimal thickening. Vascular aging could influence the threshold, process, and severity of various cardiovascular diseases, thus making it one of the most important risk factors in the high mortality of cardiovascular diseases. As endothelial cells (ECs) and vascular smooth muscle cells (VSMCs) are the main cell biological basis of these pathology changes of the vasculature, the structure and function of ECs and VSMCs play a key role in vascular aging. MicroRNAs (miRNAs), small noncoding RNAs, have been shown to regulate the expression of multiple messenger RNAs (mRNAs) posttranscriptionally, contributing to many crucial aspects of cell biology. Recently, miRNAs with functions associated with aging or aging-related diseases have been studied. In this review, we will summarize the reported role of miRNAs in the process of vascular aging with special emphasis on EC and VSMC functions. In addition, the potential application of miRNAs to clinical practice for the diagnosis and treatment of cardiovascular diseases will also be discussed.
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Araldi E, Suárez Y. MicroRNAs as regulators of endothelial cell functions in cardiometabolic diseases. BIOCHIMICA ET BIOPHYSICA ACTA 2016; 1861:2094-2103. [PMID: 26825686 PMCID: PMC5039046 DOI: 10.1016/j.bbalip.2016.01.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 01/18/2016] [Accepted: 01/20/2016] [Indexed: 12/13/2022]
Abstract
Endothelial cells (ECs) provide nutrients and oxygen essential for tissue homeostasis. Metabolic imbalances and other environmental stimuli, like cytokines or low shear stress, trigger endothelial inflammation, increase permeability, compromise vascular tone, promote cell proliferation, and ultimately cause cell death. These factors contribute to EC dysfunction, which is crucial in the development of cardiometabolic diseases. microRNAs (miRNAs) are small non-coding RNAs that have important functions in the regulation of ECs. In the present review, we discuss the role of miRNAs in various aspects of EC pathology in cardiometabolic diseases like atherosclerosis, type 2 diabetes, obesity, and the metabolic syndrome, and in complication of those pathologies, like ischemia. We also discuss the potential therapeutic applications of miRNAs in promoting angiogenesis and neovascularization in tissues where the endothelium is damaged in different cardiometabolic diseases. This article is part of a Special Issue entitled: MicroRNAs and lipid/energy metabolism and related diseases edited by Carlos Fernández-Hernando and Yajaira Suárez.
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Affiliation(s)
- Elisa Araldi
- Program in Integrative Cell Signaling and Neurobiology of Metabolism, Section of Comparative Medicine, Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Yajaira Suárez
- Program in Integrative Cell Signaling and Neurobiology of Metabolism, Section of Comparative Medicine, Department of Pathology and the Vascular Biology and Therapeutics Program, Yale University School of Medicine, New Haven, CT 06520, USA.
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MiR-30s Family Inhibit the Proliferation and Apoptosis in Human Coronary Artery Endothelial Cells Through Targeting the 3′UTR Region of ITGA4 and PLCG1. J Cardiovasc Pharmacol 2016; 68:327-333. [DOI: 10.1097/fjc.0000000000000419] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Smirnova AV, Sukhorukov VN, Karagodin VP, Orekhov AN. [Epigenetic factors in atherogenesis: microRNA]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2016; 62:134-40. [PMID: 27143369 DOI: 10.18097/pbmc20166202134] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
MicroRNAs (miRNAs) are small (~22 nucleotides in length) noncoding RNA sequences regulating gene expression at posttranscriptional level. MicroRNAs bind complementarily to certain mRNA and cause gene silencing. The involvement of miRNAs in the regulation of lipid metabolism, inflammatory response, cell cycle progression and proliferation, oxidative stress, platelet activation, endothelial and vascular smooth muscle cells (VSMC) function, angiogenesis and plaque formation and rapture indicates important roles in the initiation and progression of atherosclerosis. The key role of microRNAs in pathophysiology of cardiovascular diseases (CVDs), including atherosclerosis, was demonstrated in recent studies. Creating antisense oligonucleotides is a novel technique for selective changes in gene expression both in vitro and in vivo. In this review, we draw attention to the role of miRNAs in atherosclerosis progression, using miRNA as the potential biomarkers and targets in the CVDs, as well as possible application of antisense oligonucleotides.
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Affiliation(s)
- A V Smirnova
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, Moscow, Russia
| | - V N Sukhorukov
- Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow, Russia
| | - V P Karagodin
- Plekhanov Russian University of Economics, Moscow, Russia
| | - A N Orekhov
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, Moscow, Russia; Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, Moscow, Russia
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Li YP, Wei XC, Li PC, Chen CW, Wang XH, Jiao Q, Wang DM, Wei FY, Zhang JZ, Wei L. The Role of miRNAs in Cartilage Homeostasis. Curr Genomics 2016; 16:393-404. [PMID: 27019614 PMCID: PMC4765526 DOI: 10.2174/1389202916666150817203144] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 06/18/2015] [Accepted: 06/26/2015] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) is an age-related disease with poorly understood pathogenesis. Recent studies have demonstrated that miRNA might play a key role in OA initiation and development. We reviewed recent publications and elucidated the connection between miRNA and OA cartilage anabolic and catabolic signals, including four signaling pathways: TGF-β/Smads and BMPs signaling, associated with cartilage anabolism; and MAPK and NF-KB signaling, associated with cartilage catabolism. We also explored the relationships with MMP, ADAMTS and NOS (NitricOxide Synthases) families, as well as with the catabolic cytokines IL-1 and TNF-α. The potential role of miRNAs in biological processes such as cartilage degeneration, chondrocyte proliferation, and differentiation is discussed. Collective evidence indicates that miRNAs play a critical role in cartilage degeneration. These findings will aid in understanding the molecular network that governs articular cartilage homeostasis and in to elucidate the role of miRNA in the pathogenesis of OA.
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Affiliation(s)
- Yong Ping Li
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Xiao Chun Wei
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Peng Cu Li
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Chun Wei Chen
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Xiao Hu Wang
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Qiang Jiao
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Dong Ming Wang
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China
| | - Fang Yuan Wei
- Foot and Ankle Orthopaedic Surgery Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Jian Zhong Zhang
- Foot and Ankle Orthopaedic Surgery Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Lei Wei
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan, 030001, Shanxi, China;; Foot and Ankle Orthopaedic Surgery Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China; ; Department of Orthopaedics, The Warren Alpert Medical School of Brown University/Rhode Island Hospital, 1 Hoppin Street, Providence, RI 02903, USA
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MiR-30b Is Involved in the Homocysteine-Induced Apoptosis in Human Coronary Artery Endothelial Cells by Regulating the Expression of Caspase 3. Int J Mol Sci 2015; 16:17682-95. [PMID: 26263983 PMCID: PMC4581215 DOI: 10.3390/ijms160817682] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Revised: 07/20/2015] [Accepted: 07/24/2015] [Indexed: 12/14/2022] Open
Abstract
Homocysteine (Hcy) is an independent risk factor for a variety of cardiovascular diseases, such as coronary heart disease, hypertension, stroke, etc. There is a close relationship between the vascular endothelial cell apoptosis and these diseases. Recent studies have shown homocysteine can induce apoptosis in endothelial cells, which may be an important mechanism for the development of theses cardiovascular diseases. Although there are several reports about how the Hcy induces apoptosis in endothelial cells, the exact mechanism is not fully understood. MicroRNAs are small, non-coding RNA. Previous studies have shown that there is a close relationship between several microRNAs and cell apoptosis. However, there are no studies about the role of microRNAs in Hcy-induced apoptosis in endothelial cells so far. In this study, we constructed the model of homocysteine-induced apoptosis in human coronary artery endothelial cells (HCAECs) and found miR-30b was significantly down-regulated by 1 mmol/L Hcy. In addition, overexpression of miR-30b can improve the Hcy-induced apoptosis in HCAECs by downregulating caspase-3 expression. Therefore, miR-30b may play an important role in Hcy-induced apoptosis in endothelial cells.
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Kim MH, Ham O, Lee SY, Choi E, Lee CY, Park JH, Lee J, Seo HH, Seung M, Choi E, Min PK, Hwang KC. MicroRNA-365 inhibits the proliferation of vascular smooth muscle cells by targeting cyclin D1. J Cell Biochem 2015; 115:1752-61. [PMID: 24819721 DOI: 10.1002/jcb.24841] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Accepted: 05/08/2014] [Indexed: 02/02/2023]
Abstract
Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a common feature of disease progression in atherosclerosis. Cell proliferation is regulated by cell cycle regulatory proteins. MicroRNAs (miR) have been reported to act as important gene regulators and play essential roles in the proliferation and migration of VSMCs in a cardiovascular disease. However, the roles and mechanisms of miRs in VSMCs and neointimal formation are far from being fully understood. In this study, cell cycle-specific cyclin D1 was found to be a potential target of miR-365 by direct binding. Through an in vitro experiment, we showed that exogenous miR-365 overexpression reduced VSMC proliferation and proliferating cell nuclear antigen (PCNA) expression, while miR-365 was observed to block G1/S transition in platelet-derived growth factor-bb (PDGF-bb)-induced VSMCs. In addition, the proliferation of VSMCs by various stimuli, including PDGF-bb, angiotensin II (Ang II), and serum, led to the downregulation of miR-365 expression levels. The expression of miR-365 was confirmed in balloon-injured carotid arteries. Taken together, our results suggest an anti-proliferative role for miR-365 in VSMC proliferation, at least partly via modulating the expression of cyclin D1. Therefore, miR-365 may influence neointimal formation in atherosclerosis patients.
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Affiliation(s)
- Myung-Hyun Kim
- Cardiology Division, Heart Center, Gangnam Severance Hospital, Yonsei University College of Medicine, Republic of Korea
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Qin B, Cao Y, Yang H, Xiao B, Lu Z. MicroRNA-221/222 regulate ox-LDL-induced endothelial apoptosis via Ets-1/p21 inhibition. Mol Cell Biochem 2015; 405:115-24. [DOI: 10.1007/s11010-015-2403-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 04/09/2015] [Indexed: 01/27/2023]
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Abstract
There is a worldwide epidemic of cardiovascular diseases causing not only a public health issue but also accounting for trillions of dollars of healthcare expenditure. Studies pertaining to epidemiology, pathophysiology, molecular biology, gene identification and genetic linkage maps have been able to lay a strong foundation for both the diagnosis and treatment of cardiovascular medicine. Although the concept of 'epigenetics' is not recent, the term in current usage is extended from the initial concept of 'controlling developmental gene expression and signaling pathways in undifferentiated zygotes' to include heritable changes to gene expression that are not from differences in the genetic code. The impact of epigenetics in cardiovascular disease is now emerging as an important regulatory key player at different levels from pathophysiology to therapeutics. This review focuses on the emerging role of epigenetics in major cardiovascular medicine specialties such as coronary artery disease, heart failure, cardiac hypertrophy and diabetes.
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Affiliation(s)
- Charbel Abi Khalil
- Department of Genetic Medicine and Department of Medicine, Weill Cornell Medical College - Qatar, PO Box 24144, Doha, Qatar
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49
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Zhang P, Zheng C, Ye H, Teng Y, Zheng B, Yang X, Zhang J. MicroRNA-365 inhibits vascular smooth muscle cell proliferation through targeting cyclin D1. Int J Med Sci 2014; 11:765-70. [PMID: 24936138 PMCID: PMC4057482 DOI: 10.7150/ijms.8938] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 03/26/2014] [Indexed: 11/05/2022] Open
Abstract
MicroRNA-365 (miR-365) plays crucial roles in regulating cell proliferation, apoptosis and differentiation in various cell types. However, its function in vascular smooth muscle cells (VSMCs) is largely unknown. In our study, we found miR-365 was highly expressed in adult rat carotid arteries, but was significantly decreased in rat carotid arteries after balloon injury, a process involving neointima formation and VSMC proliferation. In vitro, the miR-365 significantly inhibited cell proliferation of isolated primary rat aortic VSMCs. Furthermore, we identified that cyclin D1 was a direct target of miR-365 in VSMCs. The miR-365 suppressed cyclin D1 expression on both mRNA and protein level. Luciferase reporter assay demonstrated that miR-365 inhibited cyclin D1 through targeting its 3'UTR. Importantly, cyclin D1 overexpression rescued the inhibitory effect of miR-365 on VSMCs proliferation. Taken together, by our studies, we identified a new MicroRNA, miR-365, involving in the pathological process of vascular injury, which inhibits VSMC proliferation through targeting cyclinD1.
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Affiliation(s)
- Peng Zhang
- 1. Model Organism Division, E-institutes of Shanghai Universities, Shanghai Jiao Tong University, School of Medicine, Shanghai, 200025, China; ; 2. State Key Laboratory of Proteomics, Genetic Laboratory of Development and Disease, Institute of Biotechnology, Beijing, 100071, China
| | - Cuiying Zheng
- 3. Department of Biochemistry and Molecular Biology, Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, 050017, China
| | - Hui Ye
- 1. Model Organism Division, E-institutes of Shanghai Universities, Shanghai Jiao Tong University, School of Medicine, Shanghai, 200025, China; ; 2. State Key Laboratory of Proteomics, Genetic Laboratory of Development and Disease, Institute of Biotechnology, Beijing, 100071, China
| | - Yan Teng
- 2. State Key Laboratory of Proteomics, Genetic Laboratory of Development and Disease, Institute of Biotechnology, Beijing, 100071, China
| | - Bin Zheng
- 3. Department of Biochemistry and Molecular Biology, Key Laboratory of Neural and Vascular Biology, Ministry of Education, Hebei Medical University, Shijiazhuang, 050017, China
| | - Xiao Yang
- 2. State Key Laboratory of Proteomics, Genetic Laboratory of Development and Disease, Institute of Biotechnology, Beijing, 100071, China
| | - Jishuai Zhang
- 2. State Key Laboratory of Proteomics, Genetic Laboratory of Development and Disease, Institute of Biotechnology, Beijing, 100071, China
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50
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Altered expression of miR-24, miR-126 and miR-365 does not affect viability of childhood TCF3-rearranged leukemia cells. Leukemia 2013; 28:1008-14. [PMID: 24153013 DOI: 10.1038/leu.2013.308] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Accepted: 10/11/2013] [Indexed: 12/12/2022]
Abstract
Among the microRNAs (miRNAs) that control different cellular processes, miR-24, miR-126 and miR-365 were shown to regulate cell cycle progression and apoptosis in various types of tumors. Interestingly, these three miRNAs were downregulated in pediatric TCF3-rearranged B-cell precursor acute lymphoblastic leukemia (BCP-ALL). Here, we showed that individual or combined overexpression of miR-24, miR-126 and miR-365 can neither alter the cell cycle progression nor the amount of apoptosis in 697, KASUMI-2 or MHH-CALL-3 TCF3-rearranged leukemic cells. We further integrated the miRNA-mRNA expression data of 37 children with BCP-ALL to identify candidate target genes for these three miRNAs. However, the expression levels of selected candidate target genes (ELL, EBF3 and IRF4 for miR-24, PITPNC1 for miR-126 and ZAP-70 for miR-365) did not reduce upon miRNAs overexpression in MHH-CALL-3 TCF3-rearranged leukemic cells. Although the expression level of AURKB-a validated target for miR-24-was reduced upon miR-24 overexpression in hepatocarcinoma HEP-G2 cells, overexpression of miR-24 cannot alter AURKB expression levels in MHH-CALL-3 TCF3-rearranged leukemic cells. Taken together, our data suggest that miRNAs' function is highly tissue-dependent and that a defined biological target gene or function of one miRNA in a specific tissue cannot be extended as a generalized target/function for that miRNA in all types of cells/tissues.
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