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lncrna cardiovascular

Weiwei Zhang, Ying Li, Peng Wang
Long non-coding RNAs (lncRNAs) play an important role in the pathogenesis of cardiovascular diseases, especially in myocardial infarction and ischemia/reperfusion (I/R). However, the underlying molecular mechanism remains unclear. In this study, we determined the role and the possible underlying molecular mechanism of lncRNA-ROR in myocardial I/R injury. H9c2 cells and human cardiomyocytes (HCM) were subjected to either hypoxia/reoxygenation (H/R), I/R or normal conditions (normoxia). The expression levels of lncRNA-ROR were detected in serum of myocardial I/R injury patients, H9c2 cells, and HCM by qRT-PCR...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Liang He, Yan Chen, Shuqing Hao, Jinqiao Qian
Protein coding sequences account for around 3% of the human genome, the rest are noncoding RNA (ncRNA) including long ncRNA (lncRNA) and miRNA. Accumulating evidence indicates that lncRNAs and miRNAs are candidate biomarkers for diagnosis, prognosis and therapy of cardiovascular diseases. The lncRNAs act as sponge-like effects on numerous miRNAs, subsequently regulating miRNAs and their targets, mRNA functions. The role of lncRNA-miRNA-mRNA axis in pathogenesis of cardiovascular diseases has been recently reported and highlighted...
April 25, 2018: Epigenomics
Zhouqing Huang, Bozhi Ye, Zhengxian Wang, Jibo Han, Lu Lin, Peiren Shan, Xueli Cai, Weijian Huang
Backgrund/Aims: Ischemia reperfusion (I/R) promotes the severity of cardiomyocyte injury. Long noncoding RNAs (LncRNAs) are key regulators in cardiovascular diseases. However, the association between LncRNAs and myocardial I/R injury has not been thoroughly characterized to date. We attempted to clarify the potential biological role of a LncRNA (E230034O05Rik), which we named hypoxia/reoxygenation (H/R) injury-related factor in myocytes (HRIM), by investigating the differential expression of LncRNAs between groups of myocytes exposed to either a normal level of oxygen or to H/R...
April 18, 2018: Cellular Physiology and Biochemistry
Jingying Hou, Lingyun Wang, Quanhua Wu, Guanghui Zheng, Huibao Long, Hao Wu, Changqing Zhou, Tianzhu Guo, Tingting Zhong, Lei Wang, Xuxiang Chen, Tong Wang
BACKGROUND: Currently, the overall therapeutic efficiency of mesenchymal stem cells (MSCs) transplantation for the treatment of cardiovascular disease is not satisfactory. The low viability and angiogenic capacity of the implanted cells in the local infarct tissues restrict their further application. Evidence shows that long noncoding RNA H19 (lncRNA-H19) mediates cell survival and angiogenesis. Additionally, it is also involved in MSCs biological activities. This study aimed to explore the functional role of lncRNA-H19 in MSCs survival and angiogenic capacity as well as the underlying mechanism...
April 19, 2018: Stem Cell Research & Therapy
Jie Sun, Guojun Chen, Yuanwen Jing, Xiang He, Jianting Dong, Junmeng Zheng, Meisheng Zou, Hairui Li, Shifei Wang, Yili Sun, Wangjun Liao, Yulin Liao, Li Feng, Jianping Bin
BACKGROUND/AIMS: In this study, the long non-coding RNA (lncRNA) expression profile in human thoracic aortic dissection (TAD), a highly lethal cardiovascular disease, was investigated. METHODS: Human TAD (n=3) and normal aortic tissues (NA) (n=3) were examined by high-throughput sequencing. Bioinformatics analyses were performed to predict the roles of aberrantly expressed lncRNAs. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied to validate the results...
April 13, 2018: Cellular Physiology and Biochemistry
Xinliang Yao, Chengyun Yan, Lei Zhang, Yanming Li, Qilin Wan
BACKGROUND: Atherosclerosis is one of the most common cardiovascular disorders. The dysfunction of vascular smooth muscle cells (VSMCs) and endothelial cells (ECs) are 2 key factors in the formation of atherosclerosis. This study aims to find strategies to prevent VSMCs and ECs dysfunction for the treatment of atherosclerosis. METHODS: We investigated the expression patterns of long noncoding RNAs (lncRNAs) in 2 pairs of serum samples from both atherosclerosis patients and healthy volunteers through microarray analysis...
April 2018: Medicine (Baltimore)
Nooshin Nourbakhsh, Modjtaba Emadi-Baygi, Rasoul Salehi, Parvaneh Nikpour
Background: Cancer is the second cause of death after cardiovascular diseases worldwide. Tumor metastasis is the main cause of death in patients with cancer; therefore, unraveling the molecular mechanisms involved in metastasis is critical. Epithelial-mesenchymal transition (EMT) is believed to promote tumor metastasis. Based on the critical roles of long noncoding RNA-ATB ( lncRNA-ATB ) and SETD8 genes in cancer pathogenesis and EMT, in this study, we aimed to assess expression profile and clinicopathological relevance of these two genes in human gastric cancer...
2018: Advanced Biomedical Research
Gaoliang Zhou, Chao Li, Jun Feng, Jing Zhang, Yanyan Fang
Cardiac hypertrophy is closely associated with a series of cardiovascular diseases, including heart failure and sudden death in particular. An in-depth comprehension of the pathogenesis of cardiac hypertrophy will improve the diagnosis and therapy of cardiac hypertrophy. It has been acknowledged that long noncoding RNAs/microRNAs (lncRNAs/miRNAs) are crucial regulators in diverse biological processes, including various cardiovascular diseases, in multiple manners. Nevertheless, the biological roles of lncRNA UCA1 and miR-184 in cardiac hypertrophy are scarcely reported...
2018: Cardiorenal Medicine
Xinzhong Li, Xiang He, He Wang, Mengsha Li, Senlin Huang, Guojun Chen, Yuanwen Jing, Shifei Wang, Yanmei Chen, Wangjun Liao, Yulin Liao, Jianping Bin
Aims: Long noncoding RNAs (lncRNAs) are critical regulators of cardiovascular lineage commitment and heart wall development, but their roles in regulating endogenous cardiac regeneration are unclear. The present study investigated the role of human-derived lncRNA in regulating endogenous cardiac regeneration as well as the underlying mechanisms. Methods and Results: We compared RNA sequencing data from human fetal and adult hearts and identified a novel lncRNA that was upregulated in adult hearts (Genesymbol NONHSAG000971), which we named regulator of cardiac regeneration (ROCR)...
March 23, 2018: Cardiovascular Research
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...
May 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...
March 6, 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...
February 2018: 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
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