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competing endogenous RNA

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https://www.readbyqxmd.com/read/28933584/circular-rna-hsa_circ_0001982-promotes-breast-cancer-cell-carcinogenesis-through-decreasing-mir-143
#1
Yi-Yin Tang, Ping Zhao, Tian-Ning Zou, Jia-Jun Duan, Rong Zhi, Si-Yuan Yang, De-Chun Yang, Xiao-Li Wang
Circular RNAs (circRNAs) are a type of noncoding RNAs generated from back-splicing, which have been verified to mediate multiple tumorigenesis. With the development of high-throughput sequencing, massive circRNAs are discovered in tumorous tissue. However, the potential physiological effect of circRNAs in breast cancer is still unknown. The purpose of this study is to investigate the expression profile of circRNA in breast cancer tissue and explore the in-depth regulatory mechanism in breast cancer tumorigenesis...
September 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28931210/long-noncoding-rna-pcat-1-promotes-invasion-and-metastasis-via-the-mir-129-5p-hmgb1-signaling-pathway-in-hepatocellular-carcinoma
#2
Deyuan Zhang, Jinyu Cao, Qingling Zhong, Liangtao Zeng, Chang Cai, Lang Lei, Wen Zhang, Fanrong Liu
OBJECTIVE: The long non-coding RNA (lncRNA) prostate cancer-associated transcript 1(PCAT-1) has been shown to be dysregulated and exert vital roles in tumorigenesis and progression of various malignancies. However, the precise molecular mechanism in the metastasis and invasion of HCC remain unclear. METHODS: The expression levels of PCAT1 derived from human HCC tissues and cell lines were analyzed through quantitative real-time PCR. QRT-PCR was also applied to detect the expression of HMGB1 and miR-129-5p...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28926115/long-non-coding-rna-malat1-promotes-oral-squamous-cell-carcinoma-development-via-microrna-125b-stat3-axis
#3
Shi-Min Chang, Wei-Wei Hu
Oral squamous cell carcinoma (OSCC), as the most common type of oral cancer, is responsible for almost 3% of all malignant tumors worldwide. Non-coding RNAs such as lncRNAs and microRNAs have been involved in many cancers including OSCC. Recently, lncRNA metastasis-associated lung adenocarcinoma transcript-1 (MALAT1) has been reported to play an oncogenic role in OSCC metastasis. However, the underlying mechanism of MALAT1 in regulating OSCC progression remains unclear. The aim of this study was to investigate the specific role of MALAT1 in OSCC development...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28924375/lncrna-afap1-as-functions-as-a-competing-endogenous-rna-to-regulate-rap1b-expression-by-sponging-mir-181a-in-the-hscr
#4
Guanglin Chen, Lei Peng, Zhongxian Zhu, Chunxia Du, Ziyang Shen, Rujin Zang, Yang Su, Yankai Xia, Weibing Tang
Background: Long noncoding RNAs (lncRNAs) have recently emerged as important regulators in a broad spectrum of cellular processes including development and disease. Despite the known engagement of the AFAP1-AS in several human diseases, its biological function in Hirschsprung disease (HSCR) remains elusive. Methods: We used qRT-PCR to detect the relative expression of AFAP1-AS in 64 HSCR bowel tissues and matched normal intestinal tissues. The effects of AFAP1-AS on cell proliferation, migration, cell cycle, apoptosis and cytoskeletal organization were evaluated using CCK-8, transwell assay, flow cytometer analysis and immunofluorescence, in 293T and SH-SY5Y cell lines, respectively...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28915561/differentially-expressed-lncrnas-and-mirnas-with-associated-cerna-networks-in-aged-mice-with-postoperative-cognitive-dysfunction
#5
Changwei Wei, Ting Luo, Shanshan Zou, Xiaobin Zhou, Wenzhen Shen, Xiaolin Ji, Qi Li, Anshi Wu
Postoperative cognitive dysfunction (POCD) is a common postoperative complication observed in elderly patients. Using microarray analyses, we comprehensively compared long non-coding RNA (lncRNA), messenger RNA (mRNA), and microRNA (miRNA) expression profiles in hippocampal tissues from a mouse model of POCD and control mice. A total of 175 lncRNAs, 117 mRNAs, and 26 miRNAs were differentially expressed between POCD and control mice. Gene ontology (GO) and KEGG pathway enrichment analyses were performed to explore the principal functions of dysregulated genes...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28904016/lncrna-ak017368-promotes-proliferation-and-suppresses-differentiation-of-myoblasts-in-skeletal-muscle-development-by-attenuating-the-function-of-mir-30c
#6
Tingting Liang, Bo Zhou, Lei Shi, Han Wang, Qingpo Chu, Feilong Xu, Yuan Li, Ruonan Chen, Chunyan Shen, Allan P Schinckel
Long noncoding RNAs (lncRNAs) have been reported to play diverse roles in biologic and pathologic processes, including myogenesis. We found that lncRNA AK017368 is highly expressed in skeletal muscle cells. Functional analyses showed that overexpression of AK017368 promoted proliferation and restrained differentiation of myoblasts; whereas inhibition of AK017368 had completely opposite effects in vitro In mice, knockdown of AK017368 promoted muscle hypertrophy in vivo RNA molecules of AK017368 acted mechanistically as competing endogenous RNAs to target micro-RNA (miR)-30c, which was supported by the results of bioinformatics analyses and dual-luciferase reporter assays...
September 13, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28902349/tug1-promotes-osteosarcoma-tumorigenesis-by-upregulating-ezh2-expression-via-mir-144-3p
#7
Jiaqing Cao, Xinyou Han, Xin Qi, Xiangyun Jin, Xiaolin Li
lncRNA-TUG1 (Taurine upregulated 1) is up-regulated and highly correlated with poor prognosis and disease status in osteosarcoma. TUG1 knockdown inhibits osteosarcoma cell proliferation, migration and invasion, and promotes apoptosis. However, its mechanism of action has not been well addressed. Growing evidence documented that lncRNA works as competing endogenous (ce)RNAs to modulate the expression and biological functions of miRNA. As a putative combining target of TUG1, miR-144-3p has been associated with the progress of osteosarcoma...
October 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28900284/mir-503-modulates-epithelial-mesenchymal-transition-in-silica-induced-pulmonary-fibrosis-by-targeting-pi3k-p85-and-is-sponged-by-lncrna-malat1
#8
Weiwen Yan, Qiuyun Wu, Wenxi Yao, Yan Li, Yi Liu, Jiali Yuan, Ruhui Han, Jingjin Yang, Xiaoming Ji, Chunhui Ni
Silicosis is a kind of chronic, progressive and incurable lung fibrotic diseases with largely unknown and complex pathogenesis and molecular mechanisms. Mounting evidence suggests that microRNAs (miRNAs, miRs) are involved in the pathogenesis of silicosis. Our previous study based on miRNA microarray had shown that the expression levels of miR-503 were down-regulated in mouse lung tissues of silica-induced pulmonary fibrosis. Here, we validated the decreased expression of miR-503 in the fibrotic mouse lung tissues, human bronchial epithelial cells (HBE) and human lung adenocarcinoma A549 cells which were exposed to silica...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28899782/the-lncrna-gas5-mir-23a-foxo3a-axis-regulates-cardiac-hypertrophy-by-wnt-%C3%AE-catenin-signal-pathway
#9
Wei Wei, Yan Chen, Jing Gao, Chenyi Li
Cardiac hypertrophy (CH) is related to a variety of physiological as well as pathological stimuli and eventually increases the risk of heart failure. lncRNA GAS5 has been identified as a competing endogenous RNA in multiple human biological processes. Whether lncRNA GAS5 is involved in the progress of CH and how it works still remain unknown. Here, we found that the expression of lncRNA-GAS5 was increased in the AngII-induced Cardiac hypertrophy model. lncRNA-GAS5 inhibited the total protein per well, as well as the expression of hypertrophic markers, ANF and β-MHC...
September 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28861326/lncrna-snhg5-regulates-imatinib-resistance-in-chronic-myeloid-leukemia-via-acting-as-a-cerna-against-mir-205-5p
#10
Baoming He, Ying Bai, Wei Kang, Xiaoping Zhang, Xiaojian Jiang
Imatinib resistance has become a major obstacle for the treatment of chronic myeloid leukemia (CML). The present study aimed to investigate the effects of the long non-coding RNA, SNHG5 on imatinib resistance in CML and explored the underlying mechanisms. The quantitative real-time PCR results showed that SNHG5 and ABCC2 expressions were up-regulated in the isolated peripheral blood cells of the CML patients when compared with healthy controls, and SNHG5 expression levels was positively correlated with ABCC2 in CML patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28860812/an-integrated-analysis-for-long-noncoding-rnas-and-micrornas-with-the-mediated-competing-endogenous-rna-network-in-papillary-renal-cell-carcinoma
#11
Chuiguo Huang, Naijun Yuan, Liying Wu, Xiaofu Wang, Junqiang Dai, Pan Song, Fengxi Li, Changbao Xu, Xinghua Zhao
Papillary renal cell carcinoma (PRCC) is the second most common subtype of renal cell carcinoma, and it lacks effective therapeutic targets and prognostic molecular biomarkers. Attention has been increasingly focused on long noncoding RNAs (lncRNAs), which can act as competing endogenous RNA (ceRNA) to compete for shared microRNAs (miRNAs) in the tumorigenesis of human tumors. Therefore, to clarify the functional roles of lncRNAs with respect to the mediated ceRNA network in PRCC, we comprehensively integrated expression profiles, including data on mRNAs, lncRNAs and miRNAs obtained from 289 PRCC tissues and 32 normal tissues in The Cancer Genome Atlas...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28860540/the-global-view-of-mrna-related-cerna-cross-talks-across-cardiovascular-diseases
#12
Chao Song, Jian Zhang, Hanping Qi, Chenchen Feng, Yunping Chen, Yonggang Cao, Lina Ba, Bo Ai, Qiuyu Wang, Wei Huang, Chunquan Li, Hongli Sun
Competing endogenous RNA (ceRNA) have received wide attention because they are a novel way to regulate genes through sharing microRNAs (miRNAs) that are crucial for complex processes in many diseases. However, no systematic analysis of ceRNA mechanism in cardiovascular disease (CVD) is known. To gain insights into the global properties of ceRNAs in multi-CVDs, we constructed the global view of mRNA-related ceRNA cross-talk in eight major CVDs from ~2,800 samples. We found common features that could be used to uncover similarities among different CVDs and highlighted a common core ceRNA network across CVDs...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28843989/distinct-mechanism-evolved-for-mycobacterial-rna-polymerase-and-topoisomerase-i-protein-protein-interaction
#13
Srikanth Banda, Nan Cao, Yuk-Ching Tse-Dinh
We report here a distinct mechanism of interaction between topoisomerase I and RNA polymerase in Mycobacterium tuberculosis and Mycobacterium smegmatis that has evolved independently from the previously characterized interaction between bacterial topoisomerase I and RNA polymerase. Bacterial DNA topoisomerase I is responsible for preventing the hyper-negative supercoiling of genomic DNA. The association of topoisomerase I with RNA polymerase during transcription elongation could efficiently relieve transcription-driven negative supercoiling...
August 24, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28843909/rsf1-functions-as-an-oncogene-in-osteosarcoma-and-is-regulated-by-xist-mir-193a-3p-axis
#14
Dapeng Wu, Xingguo Nie, Chao Ma, Xianghua Liu, Xue Liang, Yongbo An, Bin Zhao, Xuejian Wu
RSF1 (HBXAP), is a member of ATP-dependent chromatin remodeling factor. Dysregulated RSF1 has been reported to be related to tumor progression. However, the function of RSF1 in osteosarcoma (OS) remains unclear. In this study, we showed that RSF1 expression was upregulated in OS cells. RSF1 inhibition suppressed OS cell proliferation and invasion. We further showed that MAPK/Erk signaling pathway was inactivated by RSF1 suppression. In addition, RSF1 was identified as a direct target of miR-193a-3p. Clinically, RSF1 was increased and associated with advanced clinical features and poor overall survival of OS patients...
August 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28840253/interaction-and-cross-talk-between-non-coding-rnas
#15
REVIEW
Soichiro Yamamura, Mitsuho Imai-Sumida, Yuichiro Tanaka, Rajvir Dahiya
Non-coding RNA (ncRNA) has been shown to regulate diverse cellular processes and functions through controlling gene expression. Long non-coding RNAs (lncRNAs) act as a competing endogenous RNAs (ceRNAs) where microRNAs (miRNAs) and lncRNAs regulate each other through their biding sites. Interactions of miRNAs and lncRNAs have been reported to trigger decay of the targeted lncRNAs and have important roles in target gene regulation. These interactions form complicated and intertwined networks. Certain lncRNAs encode miRNAs and small nucleolar RNAs (snoRNAs), and may regulate expression of these small RNAs as precursors...
August 24, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28818997/ccr2-3-utr-functions-as-a-competing-endogenous-rna-to-inhibit-breast-cancer-metastasis
#16
Jinhang Hu, Xiaoman Li, Xinwei Guo, Qianqian Guo, Chenxi Xiang, Zhiting Zhang, Yingying Xing, Tao Xi, Lufeng Zheng
Diverse RNA transcripts acting as competing endogenous RNAs (ceRNAs) can co-regulate each other's expression by competing for shared microRNAs. CCR2 protein, the receptor of CCL2, is implicated in cancer progression. However, our results showed that higher CCR2 mRNA level was remarkably associated with prolonged survival of breast cancer patients. The conflicting results prompt us to study the non-coding function of CCR2 mRNA. We indicated that CCR2 3'UTR inhibited MDA-MB-231 and MCF-7 cells metastasis by repressing EMT in vitro and suppressed breast cancer metastasis in vivo Mechanistically, CCR2 3'UTR modulated RhoGAP protein STARD13 expression via acting as a STARD13 ceRNA in a microRNA-dependent and protein coding-independent manner...
August 17, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28813705/the-lncrna-tug1-ezh2-axis-promotes-pancreatic-cancer-cell-proliferation-migration-and-emt-phenotype-formation-through-sponging-mir-382
#17
Liang Zhao, Hongwei Sun, Hongru Kong, Zongjing Chen, Bicheng Chen, Mengtao Zhou
BACKGROUND/AIMS: Pancreatic carcinoma (PC) is the one of the most common and malignant cancers worldwide. LncRNA taurine upregulated gene 1 (TUG1) was initially identified as a transcript upregulated by taurine, and the abnormal expression of TUG1 has been reported in many cancers. However, the biological role and molecular mechanism of TUG1 in PC still needs further investigation. METHODS: Quantitative real-time PCR (qRT-PCR) was performed to measure the expression of TUG1 in PC cell lines and tissues...
August 15, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28798471/identification-of-competing-endogenous-rnas-of-the-tumor-suppressor-gene-pten-a-probabilistic-approach
#18
Kourosh Zarringhalam, Yvonne Tay, Prajna Kulkarni, Assaf C Bester, Pier Paolo Pandolfi, Rahul V Kulkarni
Regulation by microRNAs (miRNAs) and modulation of miRNA activity are critical components of diverse cellular processes. Recent research has shown that miRNA-based regulation of the tumor suppressor gene PTEN can be modulated by the expression of other miRNA targets acting as competing endogenous RNAs (ceRNAs). However, the key sequence-based features enabling a transcript to act as an effective ceRNA are not well understood and a quantitative model associating statistical significance to such features is currently lacking...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28793054/revealing-potential-long-non-coding-rna-biomarkers-in-lung-adenocarcinoma-using-long-non-coding-rna-mediated-competitive-endogenous-rna-network
#19
T-G Zhu, X Xiao, Q Wei, M Yue, L-X Zhang
In our study, we aimed to reveal potential long non-coding RNAs (lncRNA) biomarkers in lung adenocarcinoma (LAD) using lncRNA-mediated competing endogenous RNAs (ceRNAs) network (LMCN). Competing lncRNA-mRNA interactions were identified using the hypergeometric test. Co-expression analysis for the competing lncRNA-mRNA interactions was implemented, and relying on the weight value >0.8, a highly competitive LMCN was further constructed. Degree distribution, betweenness and closeness for LMCN were carried out to analyze the network structure...
August 7, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28789862/genome-wide-identification-and-characterization-of-putative-lncrnas-in-the-diamondback-moth-plutella-xylostella-l
#20
Yue Wang, Tingting Xu, Weiyi He, Xiujing Shen, Qian Zhao, Jianlin Bai, Minsheng You
Long non-coding RNAs (lncRNAs) are of particular interest because of their contributions to many biological processes. Here, we present the genome-wide identification and characterization of putative lncRNAs in a global insect pest, Plutella xylostella. A total of 8096 lncRNAs were identified and classified into three groups. The average length of exons in lncRNAs was longer than that in coding genes and the GC content was lower than that in mRNAs. Most lncRNAs were flanked by canonical splice sites, similar to mRNAs...
August 5, 2017: Genomics
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