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lncrna cardiovascular

Haifang Zhang, Hui Li, Ang Ge, Enyu Guo, Shuxia Liu, Lijuan Zhang
OBJECTIVE: Myocarditis is an important cause for cardiovascular morbidity and mortality in children and adults. The lncRNA taurine up-regulated gene 1 (TUG1) plays important roles in cell apoptosis and inflammation in tumor and liver injury. The present study aimed to investigate the role of TUG1 in LPS-injured H9c2 cells and explore the underlying molecular mechanism. METHODS: H9c2 cells were stimulated with LPS to induce inflammatory injury. The expression of TUG1 was altered by transient transfections...
March 5, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
H S Jeffrey Man, Aravin N Sukumar, Gabrielle C Lam, Paul J Turgeon, Matthew S Yan, Kyung Ha Ku, Michelle K Dubinsky, J J David Ho, Jenny Jing Wang, Sunit Das, Nora Mitchell, Peter Oettgen, Michael V Sefton, Philip A Marsden
Endothelial cell (EC)-enriched protein coding genes, such as endothelial nitric oxide synthase (eNOS), define quintessential EC-specific physiologic functions. It is not clear whether long noncoding RNAs (lncRNAs) also define cardiovascular cell type-specific phenotypes, especially in the vascular endothelium. Here, we report the existence of a set of EC-enriched lncRNAs and define a role for s pliced- t ranscript e ndothelial- e nriched lncRNA (STEEL) in angiogenic potential, macrovascular/microvascular identity, and shear stress responsiveness...
February 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
Haihai Liang, Zhenwei Pan, Xiaoguang Zhao, Li Liu, Jian Sun, Xiaomin Su, Chaoqian Xu, Yuhong Zhou, Dandan Zhao, Bozhi Xu, Xuelian Li, Baofeng Yang, Yanjie Lu, Hongli Shan
Rationale: Cardiac fibrosis is associated with various cardiovascular diseases and can eventually lead to heart failure. Dysregulation of long non-coding RNAs (lncRNAs) has recently been recognized as one of the key mechanisms involved in cardiac diseases. However, the potential roles and underlying mechanisms of lncRNAs in cardiac fibrosis have not been explicitly delineated. Methods and Results: Using a combination of in vitro and in vivo studies, we identified a lncRNA NONMMUT022555, which is designated as a pro-fibrotic lncRNA (PFL), and revealed that PFL is up-regulated in the hearts of mice in response to myocardial infarction (MI) as well as in the fibrotic cardiac fibroblasts (CFs)...
2018: Theranostics
Yingjie Lu, Xiangwei Meng, Lifeng Wang, Xiaoyun Wang
It has been demonstrated that long non-coding RNAs (lncRNAs) are important in the gene regulatory network and their dysregulated expression has been implicated in cardiovascular disease. However, little is known regarding lncRNA expression patterns and their function in the progression of acute coronary syndromes (ACSs). In the present study, the expression profiles of lncRNAs from 52 patients with ACS were analyzed by re-annotating existing microarray data. The lncRNA expression profiles in the two distinct clinical entities of ACS, myocardial infarction (MI) and unstable angina (UA), were examined...
February 2018: Experimental and Therapeutic Medicine
He Li, Xian Liu, Lan Zhang, Xueqi Li
Deregulated migration and proliferation of vascular smooth muscle cells (VSMCs) acts a crucial role in the pathogenesis of many cardiovascular diseases such as atherosclerosis, coronary heart disease and hypertension. Long noncoding RNAs (lncRNAs) play crucial functional roles in a lot of biological processes such as cell development, cell proliferation, differentiation and invasion. In our study, we demonstrated that the BANCR expression level was upregulated in the atherosclerotic plaques tissues compared to in the normal vessels tissues...
December 29, 2017: Oncotarget
Fanming Meng, Jie Yan, Qiongshan Ma, Yunjuan Jiao, Luyang Han, Jing Xu, Fan Yang, Junwen Liu
Background: Long non-coding RNAs (lncRNAs) have been reported to modulate cardiovascular diseases, and expression dynamics of lncRNAs in the bloodstream were proposed to be potential biomarkers for clinical diagnosis. However, few cardiovascular diseases-related circulating lncRNAs were identified and their prediction power has not been investigated in depth. Here we report a new circulating lncRNA, atherosclerotic plaque pathogenesis associated transcript (APPAT), and evaluated its role and predicting ability in atherosclerotic development...
2018: PeerJ
Yuan Zhang, Lei Zheng, Bang-Ming Xu, Wai-Ho Tang, Zhi-Dong Ye, Chuan Huang, Xin Ma, Jing-Jing Zhao, Feng-Xia Guo, Chun-Min Kang, Jing-Bo Lu, Jian-Cheng Xiu, Pan Li, Yuan-Jun Xu, Lei Xiao, Qian Wu, Yan-Wei Hu, Qian Wang
Atherosclerotic cardiovascular disease is considered as the leading cause of mortality and morbidity worldwide. Accumulating evidence supports an important role for long noncoding RNA (lncRNA) in the pathogenesis of atherosclerosis. Nevertheless, the role of lncRNA in atherosclerosis-associated vascular dysfunction and the underlying mechanism remain elusive. Here, using microarray analysis, we identified a novel lncRNA RP11-714G18.1 with significant reduced expression in human advanced atherosclerotic plaque tissues...
November 8, 2017: Immunology and Cell Biology
Yifei Miao, Nassim E Ajami, Tse-Shun Huang, Feng-Mao Lin, Chih-Hong Lou, Yun-Ting Wang, Shuai Li, Jian Kang, Hannah Munkacsi, Mano R Maurya, Shakti Gupta, Shu Chien, Shankar Subramaniam, Zhen Chen
The optimal expression of endothelial nitric oxide synthase (eNOS), the hallmark of endothelial homeostasis, is vital to vascular function. Dynamically regulated by various stimuli, eNOS expression is modulated at transcriptional, post-transcriptional, and post-translational levels. However, epigenetic modulations of eNOS, particularly through long non-coding RNAs (lncRNAs) and chromatin remodeling, remain to be explored. Here we identify an enhancer-associated lncRNA that enhances eNOS expression (LEENE)...
January 18, 2018: Nature Communications
Yang Li, Nan Yang
Thoracic aortic aneurysm (TAA) is a highly lethal vascular disease. Long non-coding RNAs (lncRNAs) are newly discovered as a regulator of protein genes and play critical roles in cardiovascular physio-pathological processes. However, there were a few studies looking at lncRNAs in TAA. In this study, we profiled differential expression of lncRNAs between TAA (TAA group, N = 6) and normal thoracic aorta (control group, n = 6) by third-generation lncRNA microarray. We identified 1352 up-regulated and 1624 down-regulated lncRNAs with differential expression (log fold-change > 2...
January 2018: Kaohsiung Journal of Medical Sciences
Tamer Sallam, Jaspreet Sandhu, Peter Tontonoz
Despite significant improvements during the past 3 decades, cardiovascular disease remains a leading worldwide health epidemic. The recent identification of a fascinating group of mediators known as long noncoding RNAs (lncRNAs) has provided a wealth of new biology to explore for cardiovascular risk mitigation. lncRNAs are expressed in a highly context-specific fashion, and multiple lines of evidence implicated them in diverse biological processes. Indeed, abnormalities of lncRNAs have been directly linked with human ailments, including cardiovascular biology and disease...
January 5, 2018: Circulation Research
Cui-Yun Liu, Yu-Hui Zhang, Rui-Bei Li, Lu-Yu Zhou, Tao An, Rong-Cheng Zhang, Mei Zhai, Yan Huang, Kao-Wen Yan, Yan-Han Dong, Murugavel Ponnusamy, Chan Shan, Sheng Xu, Qi Wang, Yan-Hui Zhang, Jian Zhang, Kun Wang
Increasing evidence suggests that long noncoding RNAs (lncRNAs) play crucial roles in various biological processes. However, little is known about the effects of lncRNAs on autophagy. Here we report that a lncRNA, termed cardiac autophagy inhibitory factor (CAIF), suppresses cardiac autophagy and attenuates myocardial infarction by targeting p53-mediated myocardin transcription. Myocardin expression is upregulated upon H2 O2 and ischemia/reperfusion, and knockdown of myocardin inhibits autophagy and attenuates myocardial infarction...
January 2, 2018: Nature Communications
Guotian Yin, Xiuli Yang, Qiong Li, Zhikun Guo
The hypernomic autophagy is associated with various cardiovascular diseases. Long noncoding RNAs (lncRNAs) are emerging as important regulators in gene expression, which have been involved in multiple physiological and pathological processes. However, the function of lncRNAs and how they functioned in the autophagy in cardiomyocytes were rarely reported. In this study, we report that a lncRNA, named GATA1 activated lncRNA (Galont), can directly interact with miR-338 and promote ATG5-mediated autophagic cell death in murine cardiomyocytes...
December 16, 2017: Journal of Cellular Biochemistry
Ling Li, Yingying Cong, Xueqin Gao, Yini Wang, Ping Lin
Acute myocardial infarction (AMI) is a major cause of morbidity and mortality worldwide. The early diagnosis of AMI is crucial for deciding the course of treatment and saving lives. Long non-coding RNAs (lncRNAs) are recently discovered ncRNA class and their dysregulated expression has been implicated in cardiovascular diseases. In this study, we analyzed lncRNA expression pattern by using two microarray datasets of AMI and healthy samples from the Gene Expression Omnibus (GEO) database and tried to identify novel AMI-related lncRNAs and investigate the predictive roles of lncRNAs in the early diagnosis of AMI...
October 24, 2017: Oncotarget
Yong Han, Jie Ma, Junping Wang, Liping Wang
Atherosclerosis (AS) is the main cause of cardiovascular diseases (CADs). Lipid accumulation and inflammatory response in macrophages are two key factors in the pathogenesis of AS. In this study, we aimed to explore the regulating role of long non-coding RNA (LncRNA)-H19 in oxygenized low density lipoprotein (ox-LDL)-treated Raw264.7 cells. Compared with the healthy control, a relatively higher level of H19 was detected in the blood samples from AS patients. Obviously up-regulated expression of TG (triglycerides)/TC (total cholesterol)/LDL-C (low density lipoprotein-cholesterol) and down-regulated level of HDL-C (high density lipoprotein-cholesterol) were detected in ox-LDL-treated Raw264...
January 2018: Molecular Immunology
Wei Teng, Chunguang Qiu, Zhaohui He, Guoliang Wang, Yongliang Xue, Xuezhi Hui
Dysfunction of vascular endothelial cells (VECs), such as increased apoptosis and diminished migration, is closely connected with most cardiovascular diseases and angiogenesis-related events. LncRNAs have been involved in regulation of many pathological processes, but their roles in vascular endothelial function are hardly underreported. Here, we explore the role of a intergenic lncRNA named linc00152 in the apoptosis and migration of VECs. We found that linc00152 was downregulated in human umbilical vein VECs (HUVECs) in a dose- and time-dependent manner following treatment with oxLDL, which is a typical proinflammatory factor in the initiation and progression of vascular endothelial dysfunction...
October 17, 2017: Oncotarget
Man Zhu, Nandi Li, Ping Luo, Wei Jing, Xue Wen, Chunzi Liang, Jiancheng Tu
BACKGROUND: Ischemic stroke (IS) is an extremely heterogeneous disease with variable pathogenesis. Due to the lack of early diagnostic markers, the mortality rate of IS remains high. Cumulative evidence shows that long noncoding RNAs among noncoding RNAs play important roles in cardiovascular diseases. In the present study, we focused on the expression pattern of myocardial infarction-associated transcript (MIAT) and its clinical significance in IS. METHODS: Blood samples were obtained from IS patients (n = 189) and healthy controls (n = 189)...
October 10, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Cong Yu, Lifu Li, Fei Xie, Shichao Guo, Fayuan Liu, Nianguo Dong, Yongjun Wang
Aims: Emerging evidence indicates that long non-coding RNAs (lncRNAs) play a vital role in cardiovascular physiology and pathology. Although the lncRNA TUG1 is implicated in atherosclerosis, its function in calcific aortic valve disease (CAVD) remains unknown. Methods and Results: In this study, we found that TUG1 was highly expressed in human aortic valves and primary valve interstitial cells (VICs). Moreover, TUG1 knockdown induced inhibition of osteoblast differentiation in CAVD both in vitro and in vivo ...
September 4, 2017: Cardiovascular Research
Zhen Zhang, Wei Gao, Qing-Qing Long, Jian Zhang, Ya-Fei Li, Dong-Chen Liu, Jian-Jun Yan, Zhi-Jian Yang, Lian-Sheng Wang
Recent studies in animal models and humans show that long non-coding RNAs (lncRNAs) are involved in the development of atherosclerosis, which contributes to the pathological foundation of coronary artery disease (CAD). LncRNAs in plasma and serum have been considered as promising novel biomarkers for diagnosis and prognosis of cardiovascular diseases, especially CAD. We here measured the circulating levels of 8 individual lncRNAs which are known to be relevant to atherosclerosis in the plasma samples from 300 patients with CAD and 180 control subjects by using quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR) methods...
August 8, 2017: Scientific Reports
Bo-Ya Zhang, Zhe Jin, Zhuo Zhao
BACKGROUND: Apoptosis in vascular endothelial cells (VECs) are closely correlated to multiple endotheliocyte-related cardiovascular diseases, for example atherosclerosis. Long non-coding RNAs (lncRNAs) have been testified to play important role in regulation of VECs. The purpose of this study is to investigate the potential regulation of lncRNA long intergenic noncoding RNA 00305 (LINC00305) on hypoxia induced VECs. METHODS: Human umbilical vein endothelial cells (HUVECs) were respectively induced with normoxia or hypoxia (1%)...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Zhi-Wen Huang, Li-Hong Tian, Bin Yang, Run-Min Guo
Cardiac fibrosis is closely related to multiple cardiovascular system diseases, and noncoding RNAs (ncRNAs), including long noncoding RNA (lncRNA) and microRNA (miRNA), have been reported to play a vital role in fibrogenesis. The present study aims to investigate the potential regulatory mechanism of lncRNA H19 and miR-455 on fibrosis-associated protein synthesis in cardiac fibroblasts (CFs). miRNA microarray assay revealed 34 significantly dysregulated miRNAs, including 13 upregulated miRNAs and 21 downregulated miRNAs...
September 2017: DNA and Cell Biology
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