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Jingchang Zhang, Yi Liang, Xuecheng Huang, Xiaoyan Guo, Yang Liu, Jiming Zhong, Jielin Yuan
Cardiac hypertrophy is closely correlated with diverse cardiovascular diseases, augmenting the risk of heart failure and sudden death. Long non-coding RNAs (lncRNAs) have been studied in cardiac hypertrophy for their regulatory function. LncRNA MEG3 has been reported in human cancers. Whereas, it is unknown whether MEG3 regulates the growth of cardiac hypertrophy. Therefore, this study aims to investigate the specific role of MEG3 in the progression of cardiac hypertrophy. Here, we found that MEG3 contributed to the pathogenesis of cardiac hypertrophy...
January 24, 2019: Scientific Reports
Thainá Fernandez Gonçalves, Rafael Mina Piergiorge, Jussara Mendonça Dos Santos, Jaqueline Gusmão, Márcia Mattos Gonçalves Pimentel, Cíntia Barros Santos-Rebouças
MicroRNAs are endogenous non-protein-coding RNA molecules that regulate post-transcriptional gene expression. The majority of human miRNAs are brain-expressed and chromosome X is enriched in miRNA genes. We analyzed the genomic regions of 12 brain-expressed pre-miRNAs located on chromosome X coding for 18 mature miRNAs, aiming to investigate the involvement of miRNA sequence variants on X-linked intellectual disability (XLID). Genomic DNA samples from 135 unrelated Brazilian males with intellectual disability, suggestive of X-linked inheritance, were amplified through polymerase chain reaction and sequenced by Sanger sequencing...
January 3, 2019: Journal of Molecular Neuroscience: MN
Guanghui Ying, Ruilan Wu, Min Xia, Xiapei Fei, Qi En He, Chenqin Zha, Fuquan Wu
Renal cell carcinoma (RCC) is the most common renal carcinoma in the human kidney. To date, to the best of our knowledge, there are no biomarkers for the early monitoring and diagnosis of RCC patients. The present study aimed to develop deeper insight into the molecular mechanisms of microRNAs (miRNAs/miRs) in the regulation of RCC development and to reveal candidate miRNA biomarkers in human RCC. A meta-analysis was used to integrate the published and independent RCC miRNA expression profiling investigations that compared the miRNA expression profiles in RCC samples with control samples...
November 2018: Oncology Letters
Qiu-Ling Ma, Jing-Han Wang, Min Yang, Huan-Ping Wang, Jie Jin
BACKGROUND: MicroRNAs are of special interest in cancer research and hold significant promise as diagnostic and prognostic biomarkers for malignant disease. MiR-362-5p have been found to exert both oncogenic and tumor suppressive effects depending highly on the cellular context. The aim of this study was to determine whether the expression of miR-362-5p can be served as a prognostic factor for patients with cytogentically normal acute myeloid leukemia (CN-AML). METHODS: We enrolled 224 patients with CN-AML and measured the expression of miR-362-5p by quantitative real time PCR analysis...
March 14, 2018: Journal of Translational Medicine
Liang Zhao, Yongjian Zhang, Yubao Zhang
The long non-coding RNA segment cancer susceptibility candidate 2 (CASC2) has been shown to suppress tumor growth in a variety of cancers, including hepatocellular carcinoma (HCC). However, the mechanism by which CASC2 exerts control over HCC has yet to be established. In the present study, we first demonstrated that CASC2 is downregulated in human HCC tissues and HCC cell lines as compared to adjacent non-tumor tissues (NTTs) and a liver cell line, respectively. After finding that CASC2 knockdown significantly promotes HCC cells migration and invasion as well as that CASC2 overexpression inhibits cell migration and invasion, we identified the microRNA miR-362-5p as an endogenous target of CASC2...
October 2018: Journal of Cellular Physiology
Liang-Liang Li, Li-Li Qu, Han-Jiang Fu, Xiao-Fei Zheng, Chuan-Hao Tang, Xiao-Yan Li, Jian Chen, Wei-Xia Wang, Shao-Xing Yang, Lin Wang, Guan-Hua Zhao, Pan-Pan Lv, Min Zhang, Yang-Yang Lei, Hai-Feng Qin, Hong Wang, Hong-Jun Gao, Xiao-Qing Liu
Circulating microRNAs are potential diagnostic and predictive biomarkers, but have not been investigated for patients with anaplastic lymphoma kinase (ALK)-positive lung cancer. In this exploratory study, we sought to identify potential plasma biomarkers for ALK-positive non-small cell lung cancer (NSCLC). A microRNA microarray was used to select ALK-related microRNAs in ALK-positive NSCLC (n = 3), ALK-negative NSCLC (n = 3), and healthy subjects (n = 3). Plasma levels of 21 microRNAs were differentially expressed for ALK-positive and ALK-negative NSCLC, including 14 down-regulated and 7 up-regulated microRNAs...
July 11, 2017: Oncotarget
Han Qi, Zheng Liu, Bin Liu, Han Cao, Weiping Sun, Yuxiang Yan, Ling Zhang
Commonly used tests for diagnosis of salt-sensitive hypertension (SSH) are complex and time-consuming, so new methods are required. Many studies have demonstrated roles for miRNAs in hypertension; however, the diagnostic value of miRNAs has yet to be determined for human SSH. In this study, we examined miRNA expression profiles by initial high-throughput miRNA sequencing of samples from patients with salt-sensitive and salt-resistant hypertension (SSH and SRH, respectively; n = 6, both groups), followed by validation by quantitative real-time polymerase chain reaction (qRT-PCR) in a larger cohort (n = 91)...
April 2017: Medicine (Baltimore)
Yong Won Choi, Young Soo Song, Hyunwoo Lee, Kijong Yi, Young-Bae Kim, Kwang Wook Suh, Dakeun Lee
BRAF and KRAS genes are known to play a similar role in the activation of RAS-RAF-MEK-ERK signaling pathway in colorectal tumorigenesis. However, BRAF-mutated colorectal cancers (CRCs) have distinct clinicopathologic characteristics different from those of the KRAS mutated ones as in comparison the BRAF-mutated CRCs are associated with a much worse prognosis for the afflicted patients. This study aimed to determine the different miRNA expression signatures associated with BRAF-mutated CRCs in comparison to KRAS-mutated ones, and to identify the specific miRNAs possibly mediating the aggressive phenotype of the BRAF-mutated CRCs...
April 2016: Medicine (Baltimore)
Fang Ni, Zhaohua Gui, Qiang Guo, Zhongqian Hu, Xinyi Wang, Danlei Chen, Siying Wang
An increasing number of studies have indicated that the deregulation of microRNAs (miRNAs) contributes to tumorigenesis and metastasis. In the present study, significant upregulation of miR-362-5p was identified in the breast cancer MDA-MB-231 and MCF7 cell lines compared with the control CCD-1095Sk cell line. The inhibition of miR-362-5p was demonstrated to significantly inhibit the cell proliferation, migration and invasion of human breast cancer MCF7 cells. In addition, the knockdown of miR-362-5p induced G1 arrest and promoted apoptosis in the breast cancer cells...
February 2016: Oncology Letters
Peng Yang, Fang Ni, Rui-Qing Deng, Guo Qiang, Hua Zhao, Ming-Zhen Yang, Xin-Yi Wang, You-Zhi Xu, Li Chen, Dan-Lei Chen, Zhi-Jun Chen, Li-Xin Kan, Si-Ying Wang
BACKGROUND: MicroRNAs (miR, miRNAs) play pivotal roles in numerous physiological and pathophysiological contexts. We investigated whether miR-362-5p act as an oncogene in chronic myeloid leukaemia (CML) and aimed to understand its potential underlying mechanisms. METHODS: We compared the miR-362-5p expression levels between CML and non-CML cell lines, and between fresh blood samples from CML patients and normal healthy controls using quantitative real-time PCR (qPCR)...
2015: Molecular Cancer
Jiandong Li, Liping Song, Ling Zhou, Jiaoxiang Wu, Chunjie Sheng, Huiming Chen, Yanjun Liu, Shijuan Gao, Wenlin Huang
BACKGROUND/AIMS: MicroRNA (miRNA) is a small non-coding RNA molecule that functions in regulation of gene expression by targeting mRNA to affect its stability and/or translation. The aim of this study was to evaluate the miRNAs involvement in gestational diabetes mellitus (GDM), a well known risk factor for fetal overgrowth. METHODS: Differential microRNA expression in placental tissues of normal controls and women with GDM were identified by miRNA micorarray analysis and further confirmed by quantitative real-time PCR (qRT-PCR) on an independent set of normal and GDM placental tissues...
2015: Cellular Physiology and Biochemistry
Kai Wu, Liucheng Yang, Jianfeng Chen, Haijun Zhao, Jianjun Wang, Shuai Xu, Zonghai Huang
miR-362-5p is down-regulated in high-risk neuroblastoma and can function as a tumor suppressor. However, its role remains poorly understood. We show that miR-362-5p is down-regulated in metastatic neuroblastoma compared with primary neuroblastoma. Overexpression of miR-362-5p inhibits cell proliferation, migration and invasion of neuroblastoma cells in vitro and suppresses tumor growth of neuroblastoma in vivo. Phosphatidylinositol 3-kinase (PI3K)-C2β is a target of miR-362-5p. Knockdown of PI3K-C2β by siRNA had a similar effect to overexpression of miR-362-5p on SH-SY5Y cells...
July 8, 2015: FEBS Letters
Fang Ni, Chuang Guo, Rui Sun, Binqing Fu, Yue Yang, Lele Wu, Sitong Ren, Zhigang Tian, Haiming Wei
Natural killer (NK) cells are critical effectors in the immune response against malignancy and infection, and microRNAs (miRNAs) play important roles in NK cell biology. Here we examined miRNA profiles of human NK cells from different cell compartments (peripheral blood, cord blood, and uterine deciduas) and of NKT and T cells from peripheral blood, and we identified a novel miRNA, miR-362-5p, that is highly expressed in human peripheral blood NK (pNK) cells. We also demonstrated that CYLD, a negative regulator of NF-κB signaling, was a target of miR-362-5p in NK cells...
2015: Scientific Reports
Fang Ni, Hua Zhao, Huaqin Cui, Zhengsheng Wu, Li Chen, Zhongqian Hu, Chuang Guo, Yakun Liu, Zhuo Chen, Xinyi Wang, Danlei Chen, Haiming Wei, Siying Wang
MicroRNAs are increasingly recognized as playing important roles in hepatocellular carcinoma (HCC) tumorigenesis. Here we identified an essential role for miR-362-5p in the regulation of HCC development. We found that miR-362-5p was significantly up-regulated in HCCs and associated with HCC progression. Inhibition of miR-362-5p in HCC cells dramatically decreased cell proliferation, clonogenicity, migration and invasion in vitro as well as tumor growth and metastasis in vivo. We subsequently identified that CYLD was a target gene of miR-362-5p...
January 28, 2015: Cancer Letters
ChunLei Zhang, YuLong Zhao, YanHong Wang, Hui Wu, XingTang Fang, Hong Chen
Understanding the regulatory contribution of maternal physiology to difficulties with lactation is beneficial to both mother and infant. MicroRNAs (miRNAs), a type of noncoding RNA, may be involved in the regulation of mammary gland development and function. In the present study, a deep RNA sequencing (RNA-seq) technique was used to compare the expression profile of miRNAs and mRNAs of 2 pooled RNA samples from day 1 and day 7 postpartum (n = 1/d) rat (Rattus norvegicus) mammary glands to identify key miRNAs and their target genes that may control the rate-limiting steps of lactation...
August 2014: Journal of Nutrition
Jun-bin Zhang, Xiao-nan Zhu, Jin Cui, Peng Chen, Shen-ming Wang, Jin-song Wang
OBJECTIVE: To explore the differential expressions of microRNA (miRNA) between young and senescent endothelial cells. METHODS: Young and senescent aorta endothelial cells (EC) were isolated and cultured in young and old male C57BL/6J mice. Immunostaining of VIII factor was performed to identify the endothelial cells. The method of diphenyl tetrazolium bromide (MTT) was employed to compare the cell growth. Microarray was used to detect the differential expression of microRNA between young and senescent endothelial cells and the microarray results were confirmed by real-time polymerase chain reaction (PCR)...
August 21, 2012: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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