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competing endogenous RNA

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https://www.readbyqxmd.com/read/29793177/long-noncoding-rna-gas5-suppresses-triple-negative-breast-cancer-progression-through-inhibition-of-proliferation-and-invasion-by-competitively-binding-mir-196a-5p
#1
Shuqin Li, Jun Zhou, Zhaoxin Wang, Peishun Wang, Xitao Gao, Yan Wang
Triple-negative breast cancer (TNBC) is considered to be the most aggressive and lethal type of breast cancer. Many studies have suggested that the dysfunction of long noncoding RNAs (lncRNAs) is correlated with breast cancer metastasis and progression. Here, we show that levels of the lncRNA, growth arrest-specific transcript 5 (GAS5), are decreased in TNBC tissues, and this down-regulation of GAS5 is associated with an aggressive tumor phenotype in patients, affecting clinical stage, lymph node metastasis and overall survival...
May 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29791864/lncrna-tug1-interacting-with-mir-144-contributes-to-proliferation-migration-and-tumorigenesis-through-activating-the-jak2-stat3-pathway-in-hepatocellular-carcinoma
#2
Jun Lv, Yongkui Kong, Zhiqiang Gao, Yanmin Liu, Pengfei Zhu, Zujiang Yu
Recently, it is reported that taurine upregulated gene 1 (TUG1) participates in the tumor progression by acting as a competing endogenous RNA (ceRNA) of miRNAs. Nonetheless, whether TUG1 could serve as a ceRNA of miR-144 in hepatocellular carcinoma (HCC) progression remains undefined. Here, our results indicated that there was a marked rise in TUG1 expression in HCC tissues and cells, and downregulation of TUG1 hindered proliferation and migration of HCC cells. Additionally, TUG1 was validated to act as a molecular sponge of miR-144...
May 20, 2018: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29791590/lncrna-ccat1-promotes-cell-proliferation-migration-and-invasion-by-down-regulation-of-mir-143-in-ftc-133-thyroid-carcinoma-cell-line
#3
Tianzheng Yang, Hongyan Zhai, Ruihong Yan, Zhenhu Zhou, Lei Gao, Luqing Wang
Thyroid cancer is a common malignant tumor. Long non-coding RNA colon cancer-associated transcript 1 (lncRNA CCAT1) is highly expressed in many cancers; however, the molecular mechanism of CCAT1 in thyroid cancer remains unclear. Hence, this study aimed to investigate the effect of CCAT1 on human thyroid cancer cell line FTC-133. FTC-133 cells were transfected with CCAT1 expressing vector, CCAT1 shRNA, miR-143 mimic, and miR-143 inhibitor, respectively. After different treatments, cell viability, proliferation, migration, invasion, and apoptosis were measured...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29782349/lncrna-malat-1-competitively-regulates-mir-124-to-promote-emt-and-development-of-non-small-cell-lung-cancer
#4
Jiasheng Wu, Yueyue Weng, Fei He, Dong Liang, Lin Cai
This study was carried out to explore the mechanism of LncRNA MALAT-1 as a competing endogenous RNA to regulate miR-124 in epithelial-mesenchymal transition and development of non-small-cell lung cancer (NSCLC). NSCLC and adjacent tissues were collected for RT-qPCR. The correlation of MALAT-1 and miR-124 was analyzed by Pearson. MALAT-1 expression was measured in NSCLC A549, NCI-H460, NCI-H529, SK-MES-1 cells, and 16HBE cells. A549 cells were selected for cell transfection experiments after the creation of six groups...
May 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29782054/assessment-of-porcine-endogenous-retrovirus-transmission-across-an-alginate-barrier-used-for-the-encapsulation-of-porcine-islets
#5
Claire Crossan, Nizar I Mourad, Karen Smith, Pierre Gianello, Linda Scobie
BACKGROUND: Subcutaneous implantation of a macroencapsulated patch containing human allogenic islets has been successfully used to alleviate type 1 diabetes mellitus (T1DM) in a human recipient without the need for immunosuppression. The use of encapsulated porcine islets to treat T1DM has also been reported. Although no evidence of pathogen transfer using this technology has been reported to date, we deemed it appropriate to determine if the encapsulation technology would prevent the release of virus, in particular, the porcine endogenous retrovirus (PERV)...
May 21, 2018: Xenotransplantation
https://www.readbyqxmd.com/read/29767230/competing-endogenous-rna-regulatory-network-in-papillary-thyroid-carcinoma
#6
Shouhua Chen, Xiaobin Fan, He Gu, Lili Zhang, Wenhua Zhao
The present study aimed to screen all types of RNAs involved in the development of papillary thyroid carcinoma (PTC). RNA‑sequencing data of PTC and normal samples were used for screening differentially expressed (DE) microRNAs (DE‑miRNAs), long non‑coding RNAs (DE‑lncRNAs) and genes (DEGs). Subsequently, lncRNA‑miRNA, miRNA‑gene (that is, miRNA‑mRNA) and gene‑gene interaction pairs were extracted and used to construct regulatory networks. Feature genes in the miRNA‑mRNA network were identified by topological analysis and recursive feature elimination analysis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29761996/-research-progress-of-competing-endogenous-rna
#7
REVIEW
Lin Wang, Jie Liu
The competing endogenous RNA (ceRNA) hypothesis is a new pattern of gene posttranscriptional regulation. Encoding mRNA, long noncoding RNA (lncRNA), pseudogene transcript, circular RNA (circRNA), etc. can regulate gene expression by binding microRNA (miRNA). According to the research, ceRNA regulatory network participates in the maintenance of normal physiological state, occurrence and development of diseases. This paper reviewed ceRNA with the following respects: the proposal of ceRNA hypothesis, members of ceRNA regulatory network, research status, limitations and future development directions of this hypothesis...
December 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
https://www.readbyqxmd.com/read/29760555/comprehensive-analysis-of-a-long-noncoding-rna-associated-competing-endogenous-rna-network-in-colorectal-cancer
#8
Qiaowei Fan, Bingrong Liu
Purpose: This study was aimed to develop a lncRNA-associated competing endogenous RNA (ceRNA) network to provide further understanding of the ceRNA regulatory mechanism and pathogenesis in colorectal cancer (CRC). Patients and methods: Expression profiles of mRNAs, lncRNAs, and miRNAs, and clinical information for CRC patients were obtained from The Cancer Genome Atlas. The differentially expressed mRNAs, lncRNAs, and miRNAs (referred to as "DEmRNAs", "DElncRNAs", and "DEmiRNAs", respectively) were screened out between 539 CRC samples and 11 normal samples...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29753317/long-noncoding-rna-dancr-working-as-a-competitive-endogenous-rna-promotes-rock1-mediated-proliferation-and-metastasis-via-decoying-of-mir-335-5p-and-mir-1972-in-osteosarcoma
#9
Yong Wang, Xiandong Zeng, Ningning Wang, Wei Zhao, Xi Zhang, Songling Teng, Yueyan Zhang, Zhi Lu
BACKGROUND: Accumulating evidences indicate that non-coding RNAs (ncRNAs) including long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) acting as crucial regulators in osteosarcoma (OS). Previously, we reported that Rho associated coiled-coil containing protein kinase 1 (ROCK1), a metastatic-related gene was negatively regulated by microRNA-335-5p (miR-335-5p) and work as an oncogene in osteosarcoma. Whether any long non-coding RNAs participate in the upstream of miR-335-5p/ROCK1 axial remains unclear...
May 12, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29749477/long-non-coding-rna-hoxd-as1-promotes-tumor-progression-and-predicts-poor-prognosis-in-colorectal-cancer
#10
Xiang Li, Xinhan Zhao, Binhui Yang, Yuqing Li, Tao Liu, Linyuan Pang, Zhigang Fan, Wu Ma, Zhongqiu Liu, Zeng Li
Mounting evidence has indicated that long non‑coding RNAs (lncRNA) serve important roles in tumor development. Previous studies have demonstrated that the lncRNA HOXD cluster antisense RNA 1 (HOXD‑AS1) promotes tumor progression in numerous types of cancer; however, the role of HOXD‑AS1 in colorectal cancer (CRC) remains unclear. In the present study, the expression levels of HOXD‑AS1 were detected in CRC tissues and cell lines using quantitative polymerase chain reaction. In addition, the biological effects of HOXD‑AS1 on CRC were evaluated in vitro by cell counting kit‑8, colony formation and Transwell assays, and in vivo by tumorigenesis and metastasis assays...
May 9, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29748618/the-long-noncoding-rna-gas5-negatively-regulates-the-adipogenic-differentiation-of-mscs-by-modulating-the-mir-18a-ctgf-axis-as-a-cerna
#11
Ming Li, Zhongyu Xie, Peng Wang, Jinteng Li, Wenjie Liu, Su'an Tang, Zhenhua Liu, Xiaohua Wu, Yanfeng Wu, Huiyong Shen
Mesenchymal stem cells (MSCs) are important pluripotent stem cells and a major source of adipocytes in the body. However, the mechanism of adipogenic differentiation has not yet been completely elucidated. In this study, the long noncoding RNA GAS5 was found to be negatively correlated with MSC adipogenic differentiation. GAS5 overexpression negatively regulated adipocyte formation, whereas GAS5 knockdown had the opposite effect. Further mechanistic analyses using luciferase reporter assays revealed that GAS5 regulates the adipogenic differentiation of MSCs by acting as competing endogenous RNA (ceRNA) to sponge miR-18a, which promotes adipogenic differentiation...
May 10, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29747050/long-non-coding-rna-chrf-facilitates-cardiac-hypertrophy-through-regulating-akt3-via-mir-93
#12
Yang Wo, Jie Guo, Peihui Li, Hongxia Yang, Jinshan Wo
BACKGROUND: Non-coding RNAs, including long non-coding RNAs (lncRNAs) and microRNAs (miRNAs), have been demonstrated as central mediators in cardiac hypertrophy responses. LncRNA cardiac hypertrophy related factor (CHRF) has been reported to be implicated in cardiac hypertrophy. However, the underlying mechanisms of CHRF have not been thoroughly elucidated. METHODS: Expressions of CHRF and microRNA-93 (miR-93) in heart tissues and cardiomyocytes were detected by RT-qPCR assay...
April 11, 2018: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/29744877/long-noncoding-rna-dancr-aggravates-retinoblastoma-through-mir-34c-and-mir-613-by-targeting-mmp-9
#13
Jing-Xian Wang, Yuan Yang, Kun Li
Long non-coding RNAs (lncRNAs) have been identified to play vital roles in cancers, including human retinoblastoma (RB). However, the deepgoing mechanism is still ambiguous. In present study, we investigate the biological role of lncRNA DANCR (differentiation antagonizing non-protein coding RNA) in carcinogenesis of RB. Results revealed that DANCR was up-regulated in RB tissue and cell lines. Moreover, the ectopic overexpression of DANCR indicated poor overall survivals and disease free survival (DFS) for RB patients...
May 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29739971/whole-transcriptome-analysis-of-atrophic-ovaries-in-broody-chickens-reveals-regulatory-pathways-associated-with-proliferation-and-apoptosis
#14
Lingbin Liu, Qihai Xiao, Elizabeth R Gilbert, Zhifu Cui, Xiaoling Zhao, Yan Wang, Huadong Yin, Diyan Li, Haihan Zhang, Qing Zhu
Broodiness in laying hens results in atrophy of the ovary and consequently decreases productivity. However, the regulatory mechanisms that drive ovary development remain elusive. Thus, we collected atrophic ovaries (AO) from 380-day-old broody chickens (BC) and normal ovaries (NO) from even-aged egg-laying hens (EH) for RNA sequencing. We identified 3,480 protein-coding transcripts that were differentially expressed (DE), including 1,719 that were down-regulated and 1,761 that were up-regulated in AO. There were 959 lncRNA transcripts that were DE, including 56 that were down-regulated and 903 that were up-regulated...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29737552/competing-endogenous-rna-network-crosstalk-reveals-novel-molecular-markers-in-colorectal-cancer
#15
Nehal Samir, Marwa Matboli, Hanaa El-Tayeb, Ahmed El-Tawdi, Mohmed K Hassan, Sherif El-Khamisy, Hesham A E El-Akkad, Mohamed G Ramadan, Tarek N Al-Belkini, Farid El-Asmar
The competing endogenous RNA networks play a pivotal role in cancer diagnosis and progression. Novel properstrategies for early detection of colorectal cancer (CRC) are strongly needed. We investigated a novel CRC-specific RNA-based integrated competing endogenous network composed of lethal3 malignant brain tumor like1 (L3MBTL1) gene, long non-coding intergenic RNA- (lncRNA RP11-909B2.1) and homo sapiens microRNA-595 (hsa-miRNA-595) using in silico data analysis. RT-qPCR-based validation of the network was achieved in serum of 70 patients with CRC, 40 patients with benign colorectal neoplasm, and 20 healthy controls...
May 8, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29734737/inhibition-of-v-rel-induced-oncogenesis-through-microrna-targeting
#16
Yongxiu Yao, Yaoyao Zhang, Na Tang, Miriam Pedrera, Zhiqiang Shen, Venugopal Nair
Several studies have shown that microRNA-targeting is an effective strategy for the selective control of tissue-tropism and pathogenesis of both DNA and RNA viruses. However, the exploitation of microRNA-targeting for the inhibition of transformation by oncogenic viruses has not been studied. The v- rel oncoprotein encoded by reticuloendotheliosis virus T strain (Rev-T) is a member of the rel /NF-κB family of transcription factors capable of transforming primary chicken spleen and bone marrow cells...
May 5, 2018: Viruses
https://www.readbyqxmd.com/read/29733656/rna-binding-protein-rnpc1-inhibits-breast-cancer-cells-metastasis-via-activating-stard13-correlated-cerna-network
#17
Zhiting Zhang, Qianqian Guo, Shufang Zhang, Chenxi Xiang, Xinwei Guo, Feng Zhang, Lanlan Gao, Haiwei Ni, Tao Xi, Lufeng Zheng
RNA binding proteins (RBPs) are pivotal post-transcriptional regulators. RNPC1, an RBP, acts as a tumor suppressor through binding and regulating the expression of target genes in cancer cells. This study disclosed that RNPC1 expression was positively correlated with breast cancer patients' relapse free and overall survival, and RNPC1suppressed breast cancer cells metastasis. Mechanistically, RNPC1 promoting a competing endogenous network (ceRNA) crosstalk between STARD13, CDH5, HOXD10, and HOXD1 (STARD13-correlated ceRNA network) that we previously confirmed in breast cancer cells through stabilizing the transcripts and thus facilitating the expression of these four genes in breast cancer cells...
May 7, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29723158/circrnas-in-the-tree-shrew-tupaia-belangeri-brain-during-postnatal-development-and-aging
#18
CaiXia Lu, XiaoMei Sun, Na Li, WenGuang Wang, DeXuan Kuang, PinFen Tong, YuanYuan Han, JieJie Dai
Circular RNAs (circRNAs) are a novel type of non-coding RNA expressed across different species and tissues. At present, little is known about the expression and function of circRNAs in the tree shrew brain. In this study, we used RNA-seq to identify 35,007 circRNAs in hippocampus and cerebellum samples from infant (aged 47-52 days), young (aged 15-18 months), and old (aged 78-86 months) tree shrews. We observed no significant changes in the total circRNA expression profiles in different brain regions over time...
April 30, 2018: Aging
https://www.readbyqxmd.com/read/29720189/lncrna-mt1jp-functions-as-a-cerna-in-regulating-fbxw7-through-competitively-binding-to-mir-92a-3p-in-gastric-cancer
#19
Gang Zhang, Shuwei Li, Jiafei Lu, Yuqiu Ge, Qiaoyan Wang, Gaoxiang Ma, Qinghong Zhao, Dongdong Wu, Weida Gong, Mulong Du, Haiyan Chu, Meilin Wang, Aihua Zhang, Zhengdong Zhang
BACKGROUND: Emerging evidence has shown that dysregulation function of long non-coding RNAs (lncRNAs) implicated in gastric cancer (GC). However, the role of the differentially expressed lncRNAs in GC has not fully explained. METHODS: LncRNA expression profiles were determined by lncRNA microarray in five pairs of normal and GC tissues, further validated in another 75 paired tissues by quantitative real-time PCR (qRT-PCR). Overexpression of lncRNA MT1JP was conducted to assess the effect of MT1JP in vitro and in vivo...
May 2, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29702599/noncoding-rna-rna-regulatory-networks-in-cancer
#20
REVIEW
Jia Jia Chan, Yvonne Tay
Noncoding RNAs (ncRNAs) constitute the majority of the human transcribed genome. This largest class of RNA transcripts plays diverse roles in a multitude of cellular processes, and has been implicated in many pathological conditions, especially cancer. The different subclasses of ncRNAs include microRNAs, a class of short ncRNAs; and a variety of long ncRNAs (lncRNAs), such as lincRNAs, antisense RNAs, pseudogenes, and circular RNAs. Many studies have demonstrated the involvement of these ncRNAs in competitive regulatory interactions, known as competing endogenous RNA (ceRNA) networks, whereby lncRNAs can act as microRNA decoys to modulate gene expression...
April 27, 2018: International Journal of Molecular Sciences
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