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Yan F, Chen Y, Ye X, Zhang F, Wang S, Zhang L, Luo X. miR-3113-5p, miR-223-3p, miR-133a-3p, and miR-499a-5p are sensitive biomarkers to diagnose sudden cardiac death. Diagn Pathol 2021; 16:67. [PMID: 34332589 PMCID: PMC8325858 DOI: 10.1186/s13000-021-01127-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 07/12/2021] [Indexed: 01/30/2023] Open
Abstract
Background Sudden cardiac death (SCD) remains a great health threat and diagnostic challenge, especially those cases without positive autopsy findings. Molecular biomarkers have been urgently needed for the diagnosis of SCD displaying negative autopsy results. Due to their nature of stability, microRNAs (miRNAs) have emerged as promising diagnostic biomarkers for cardiovascular diseases. Methods This study investigated whether specific cardio-miRNAs (miR-3113-5p, miR-223-3p, miR-499a-5p, and miR-133a-3p) could serve as potential biomarkers for the diagnosis of SCD. Thirty-four SCD cases were selected, 18 categorized as SCD with negative autopsy (SCD-negative autopsy) findings and 16 as SCD with positive autopsy (SCD-positive autopsy) findings such as coronary atherosclerosis and gross myocardial scar. Carbon monoxide (CO) intoxication (n = 14) and fatal injury death (n = 14) that displayed no pathological changes of myocardium were selected as control group, respectively. Histological analyses were performed to reveal the pathological changes and real-time quantitative polymerase chain reaction (RT-qPCR) was used to determine the expression of those miRNAs. Results It showed that heart samples from the SCD-negative autopsy group displayed no remarkable difference with regard to the expression of cleaved-caspase3, CD31, and CD68 and the extent of fibrotic tissue accumulation when compared with control samples. The four cardio-miRNAs were significantly up-regulated in the SCD samples as compared with control. When discriminating SCD from controls, receiver operating characteristic (ROC) curve analysis revealed that the areas under the curve (AUC) of these 4 miRNAs were from 0.7839 to 0.9043 with sensitivity of 64.71–97.06% and specificity of 70–100%. Moreover, when discriminating the specific causes of SCD, the four miRNA expressions increased in the heart from the SCD-negative autopsy group as relative to that from the SCD-positive autopsy group, and a combination of two miRNAs presented higher diagnostic value (AUC = 0.7407–0.8667). Conclusion miR-3113-5p, miR-223-3p, miR-499a-5p, and miR-133a-3p may serve as independent diagnostic biomarkers for SCD, and a combination of two of these miRNAs could further discriminate detailed causes of SCD.
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Affiliation(s)
- Fengping Yan
- Department of Forensic Medicine, School of Basic Medical Sciences, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, PR China. .,Key Laboratory of Prevention and treatment of cardiovascular and cerebrovascular diseases of Ministry of Education, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, People's Republic of China.
| | - Yuanyuan Chen
- Department of Forensic Medicine, School of Basic Medical Sciences, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, PR China.,Key Laboratory of Prevention and treatment of cardiovascular and cerebrovascular diseases of Ministry of Education, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, People's Republic of China
| | - Xing Ye
- Department of Forensic Medicine, School of Basic Medical Sciences, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, PR China.,Key Laboratory of Prevention and treatment of cardiovascular and cerebrovascular diseases of Ministry of Education, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, People's Republic of China
| | - Fu Zhang
- Criminal Technology Center of Guangdong Province Public Security Bureau, Guangzhou, Guangdong, 510050, PR China
| | - Shiquan Wang
- Department of Forensic Medicine, School of Basic Medical Sciences, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, PR China.,Key Laboratory of Prevention and treatment of cardiovascular and cerebrovascular diseases of Ministry of Education, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, People's Republic of China
| | - Le Zhang
- Forensic Science Center of Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, People's Republic of China
| | - Xiaoting Luo
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Gannan Medical University, 1 Yixueyuan Road, Zhanggong District, Ganzhou, Jiangxi, 341000, PR China.
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Luna RCP, de Oliveira Y, Lisboa JVC, Chaves TR, de Araújo TAM, de Sousa EE, Miranda Neto M, Pirola L, Braga VA, de Brito Alves JL. Insights on the epigenetic mechanisms underlying pulmonary arterial hypertension. ACTA ACUST UNITED AC 2018; 51:e7437. [PMID: 30365723 PMCID: PMC6207290 DOI: 10.1590/1414-431x20187437] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 09/04/2018] [Indexed: 12/21/2022]
Abstract
Pulmonary arterial hypertension (PAH), characterized by localized increased
arterial blood pressure in the lungs, is a slow developing long-term disease
that can be fatal. PAH is characterized by inflammation, vascular tone
imbalance, pathological pulmonary vascular remodeling, and right-sided heart
failure. Current treatments for PAH are palliative and development of new
therapies is necessary. Recent and relevant studies have demonstrated that
epigenetic processes may exert key influences on the pathogenesis of PAH and may
be promising therapeutic targets in the prevention and/or cure of this
condition. The aim of the present mini-review is to summarize the occurrence of
epigenetic-based mechanisms in the context of PAH physiopathology, focusing on
the roles of DNA methylation, histone post-translational modifications and
non-coding RNAs. We also discuss the potential of epigenetic-based therapies for
PAH.
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Affiliation(s)
- R C P Luna
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - Y de Oliveira
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - J V C Lisboa
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - T R Chaves
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - T A M de Araújo
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - E E de Sousa
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - M Miranda Neto
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - L Pirola
- INSERM U1060, Lyon 1 University, Oullins, France
| | - V A Braga
- Departamento de Biotecnologia, Centro de Biotecnologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - J L de Brito Alves
- Departamento de Nutrição, Centro de Ciências da Saúde, Universidade Federal da Paraíba, João Pessoa, PB, Brasil.,Departamento de Biotecnologia, Centro de Biotecnologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
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Tian X, Yu C, Shi L, Li D, Chen X, Xia D, Zhou J, Xu W, Ma C, Gu L, An Y. MicroRNA-199a-5p aggravates primary hypertension by damaging vascular endothelial cells through inhibition of autophagy and promotion of apoptosis. Exp Ther Med 2018; 16:595-602. [PMID: 30116316 PMCID: PMC6090226 DOI: 10.3892/etm.2018.6252] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 04/13/2018] [Indexed: 12/19/2022] Open
Abstract
The present study investigated the expression of microRNA (miRNA or miR)-199a-5p in the peripheral blood of patients with primary hypertension, and examined its mechanism of action in vascular endothelial cell injury induced by hypertension. A total of 57 patients with primary hypertension, who were treated at the Affiliated Hospital of Qingdao University (Qingdao, China) between December 2014 and November 2015 were included in the present study. Peripheral blood was collected from all patients. The expression of miR-199a-5p was measured using reverse-transcription quantitative polymerase chain reaction analysis. Human umbilical vein endothelial cells (HUVECs) were divided into negative control, miR-199a-5p mimics and rescue (co-transfected with miR-199a-5p mimics and inhibitor) groups. After transfection, the proliferation and apoptosis of HUVECs were evaluated by a Cell Counting Kit-8 assay, a bromodeoxyuridine incorporation assay and flow cytometry. Western blot analysis was used to determine the expression of proteins involved in autophagy-associated and adenosine monophosphate kinase (AMPK)/unc-51 like autophagy activating kinase 1 (ULK1) signaling pathways. Laser scanning confocal microscopy and electron microscopy were used to observe the autophagy of HUVECs. The expression of miR-199a-5p was elevated in peripheral blood of patients with hypertension, and was correlated with the progression of hypertension. Overexpression of miR-199a-5p inhibited the proliferation and promoted the apoptosis of HUVECs. Upon expression of miR-199a-5p, the transition between microtubule-associated proteins 1A/1B light chain 3B (LC3B)I and LC3BII proteins was inhibited, the expression of p62 protein was upregulated. In addition, miR-199a-5p decreased the numbers of autophagosomes and autolysosomes in HUVECs. The present study demonstrated that expression of miR-199a-5p is positively correlated with the severity of hypertension. Expression of miR-199a-5p aggravated vascular endothelial injury by inhibiting autophagy and promoting the apoptosis of HUVECs via downregulation of the AMPK/ULK1 signaling pathway.
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Affiliation(s)
- Xintao Tian
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Chunpeng Yu
- Department of Intervention, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Lei Shi
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Dan Li
- Department of Cardiovascular Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Xiaoxue Chen
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Di Xia
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Jingwei Zhou
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Wanqun Xu
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Chengtai Ma
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Lihua Gu
- Department of Emergency Internal Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
| | - Yi An
- Department of Cardiovascular Medicine, Laoshan District of The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266100, P.R. China
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Yi F, Hao Y, Chong X, Zhong W. Overexpression of microRNA-506-3p aggravates the injury of vascular endothelial cells in patients with hypertension by downregulating Beclin1 expression. Exp Ther Med 2018; 15:2844-2850. [PMID: 29456688 PMCID: PMC5795718 DOI: 10.3892/etm.2018.5733] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 06/29/2017] [Indexed: 12/16/2022] Open
Abstract
The aim of the present study was to measure the expression of microRNA (miRNA)-506-3p in the peripheral blood of patients with hypertension and to determine the biological functions and mechanisms of action of miR-506-3p. A total of 61 patients with primary hypertension were included in the present study. Peripheral blood was collected from all patients, as well as 31 healthy subjects who were included in a control group. The expression of miR-506-3p in peripheral blood was determined by reverse transcription-quantitative polymerase chain reaction. Human umbilical vein endothelial cells (HUVECs) were transfected with miR-506-3p mimics or miR-506-3p inhibitor. The proliferation and migration of HUVECs were determined using cell-counting kit 8 and Transwell assays, respectively. The cell cycle and apoptosis of HUVECs were detected by flow cytometry. The expression of Beclin1 (BECN1) protein, a potential target of miR-506-3p, was measured using western blotting. A dual-luciferase reporter assay was performed to determine the interaction between BECN1 and miR-506-3p. It was demonstrated that miR-506-3p expression in the peripheral blood of patients with patients was upregulated and dependent on the severity of hypertension. miR-506-3p overexpression inhibited the proliferation and migration of HUVECs. In addition, miR-506-3p inhibited the transition from the G1 phase to the S-phase in HUVECs. Overexpression of miR-506-3p promoted the apoptosis of HUVECs. Notably, miR-506-3p downregulated the expression of BECN1 by directly binding to its 3′-untranslated region. The present study demonstrated that miR-506-3p expression is elevated in the peripheral blood of patients with hypertension and is associated with the severity of hypertension. By downregulating BECN1 expression, miR-506-3p aggravates injury in vascular endothelial cells by inhibiting the proliferation and migration of HUVECs, as well as promoting their apoptosis.
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Affiliation(s)
- Fanfan Yi
- Department of Emergency, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
| | - Yugui Hao
- Department of Emergency, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
| | - Xiaoyi Chong
- Department of Clinical Medicine, Medical College of Qinghai University, Xining, Qinghai 810000, P.R. China
| | - Wei Zhong
- Cadre Ward, Zaozhuang Municipal Hospital, Zaozhuang, Shandong 277101, P.R. China
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Vandevelde W, Gal D, Sipido KR. Cardiovascular Research turns the spotlight onto the right ventricle. Cardiovasc Res 2017; 113:e45-e46. [DOI: 10.1093/cvr/cvx171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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Zhang WF, Zhu TT, Xiong YW, Xiong AZ, Ge XY, Hu CP, Zhang Z. Negative feedback regulation between microRNA let-7g and LOX-1 mediated hypoxia-induced PASMCs proliferation. Biochem Biophys Res Commun 2017; 488:655-663. [PMID: 28108289 DOI: 10.1016/j.bbrc.2017.01.073] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Accepted: 01/16/2017] [Indexed: 12/19/2022]
Abstract
BACKGROUND Pulmonary hypertension (PH) is a proliferative disorder associated with enhanced proliferation and suppressed apoptosis of pulmonary artery smooth muscle cells (PASMCs). Our lately study demonstrated that let-7g inhibited hypoxia-induced proliferation of PASMCs via repressing c-myc-Bmi-1-p16 signaling pathway. However, the upstream of let-7g has not yet been fully defined. Previous studies have shown that LOX-1, a target of let-7g, could also regulate the expression of let-7g in human aortic endothelial cells. In this present study, we aimed to investigate whether there is a negative feedback regulation between microRNA let-7g and LOX-1 in hypoxia-induced proliferation of PASMCs. METHODS SD Rats were exposed to hypoxia (10% O2, 3 weeks) to induce PH. HE staining was used to evaluate pulmonary artery remodeling. in situ hybridization and immunohistochemistry were performed to assess the expression and distribution of let-7g and LOX-1, respectively. MTS, EDU and flow cytometry were performed to evaluate PASMCs proliferation. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were conducted to assess the expression of let-7g, LOX-1, calpain-1,-2,-4, and OCT-1. RESULTS The expression of let-7g was significantly down-regulated in pulmonary arteries of hypoxia-induced PH rats accompanied by pulmonary vascular remodeling, whereas let-7g mimic inhibited hypoxia-induced proliferation of PASMCs and up-regulation of LOX-1 expression. LOX-1 blocking reversed hypoxia-induced down-regulation of let-7g expression. Calpains, protein kinase C and OCT-1 were involved in negative feedback regulation between let-7g and LOX-1. CONCLUSION Negative feedback regulation between let-7g and LOX-1 mediated hypoxia-induced proliferation of in PASMCs.
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Affiliation(s)
- Wei-Fang Zhang
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Department of Pharmacy, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Tian-Tian Zhu
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Central South University, Changsha, Hunan, 410078, China
| | - You-Wen Xiong
- Jiangxi Center of Medical Device Testing, Nanchang, 330029, China
| | - Ai-Zhen Xiong
- Department of Pharmacy, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Xiao-Yue Ge
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Central South University, Changsha, Hunan, 410078, China
| | - Chang-Ping Hu
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Central South University, Changsha, Hunan, 410078, China.
| | - Zheng Zhang
- Department of Pharmacology, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China; Hunan Provincial Key Laboratory of Cardiovascular Research, Central South University, Changsha, Hunan, 410078, China.
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