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competing endogenous RNA

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https://www.readbyqxmd.com/read/29130995/lncrna-uca1-promotes-mitochondrial-function-of-bladder-cancer-via-the-mir-195-arl2-signaling-pathway
#1
Hui-Jin Li, Xiao-Min Sun, Zheng-Kun Li, Qian-Wen Yin, Huan Pang, Jing-Jing Pan, Xu Li, Wei Chen
BACKGROUND/AIMS: This study aims to identify whether Urothelial Cancer Associated 1 (UCA1) regulates mitochondrial metabolic reprogramming in bladder cancer, and to explore how UCA1 participates in mitochondrial metabolism by the UCA1/miR-195/ARL2 signaling pathway; these findings may be aid in the development of tumor diagnostic and therapeutic strategies. METHODS: Bladder tissues were obtained from patients. Stable cell lines were constructed, with ectopic expression of UCA1 in UMUC2 cells and knockdown of UCA1 in 5637 cells...
November 1, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29123412/lncrna-meg3-enhances-cisplatin-sensitivity-in-non-small-cell-lung-cancer-by-regulating-mir-21-5p-sox7-axis
#2
Pei Wang, Dong Chen, Hongbing Ma, Yong Li
Background: Long noncoding RNAs (lncRNAs) have been revealed to play essential role in drug resistance of multiple cancers. LncRNA MEG3 was previously reported to be associated with cisplatin (DDP) resistance in non-small cell lung cancer (NSCLC) cells. However, the molecular mechanism of MEG3 affecting DDP resistance in NSCLC remains to be further illustrated. In this study, we attempted to discuss whether MEG3 also could function as a competing endogenous RNA to regulate DDP resistance in NSCLC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29121972/long-noncoding-rna-norad-a-novel-competing-endogenous-rna-enhances-the-hypoxia-induced-epithelial-mesenchymal-transition-to-promote-metastasis-in-pancreatic-cancer
#3
Hongzhe Li, Xinjing Wang, Chenlei Wen, Zhen Huo, Weishen Wang, Qian Zhan, Dongfeng Cheng, Hao Chen, Xiaxing Deng, Chenghong Peng, Baiyong Shen
BACKGROUND: Pancreatic cancer, one of the top two most fatal cancers, is characterized by a desmoplastic reaction that creates a dense microenvironment, promoting hypoxia and inducing the epithelial-to-mesenchymal transition (EMT) to facilitate invasion and metastasis. Recent evidence indicates that the long noncoding RNA NORAD may be a potential oncogenic gene and that this lncRNA is significantly upregulated during hypoxia. However, the overall biological role and clinical significance of NORAD remains largely unknown...
November 9, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/29115574/long-non-coding-rna-snhg1-regulates-nob1-expression-by-sponging-mir-326-and-promotes-tumorigenesis-in-osteosarcoma
#4
Jiandong Wang, Lei Cao, Jianhong Wu, Qiugen Wang
The long non-coding RNA (lncRNA) small nucleolar RNA host gene 1 (SNHG1) has been demonstrated to participate in the deterioration of many types of cancer. However, the underlying mechanisms of SNHG1-mediating functions in osteosarcoma (OS) have yet to be elucidated. In the present study, our results showed that SNHG1 was upregulated in OS tissues and cell lines, and high SNHG1 expression predicts poor overall survival of OS patients. Knockdown of SNHG1 inhibited cell growth and metastasis of OS in vitro and in vivo...
November 3, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29115513/lncrna-pvt1-regulate-expression-of-hif1%C3%AE-via-functioning-as-cerna-for-mir%C3%A2-199a%C3%A2-5p-in-non%C3%A2-small-cell-lung-cancer-under-hypoxia
#5
Chunhong Wang, Chunfang Han, Yibo Zhang, Fengqin Liu
Non‑small cell lung cancer (NSCLC) represents one of the most important causes of cancer mortality in the world, and leads to the largest number of deaths in all kinds of lung cancer. Hypoxia has been confirmed to be a characteristic feature of NSCLC and has been shown to decrease the therapeutic efficacy of radiotherapy and some forms of chemotherapy. Previous studies revealed that many miRNAs have been proven to be involved in the molecular regulation of hypoxia and to affect the protein expression level of HIF‑1α...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29104512/identification-and-analysis-of-p53-mediated-competing-endogenous-rna-network-in-human-hepatocellular-carcinoma
#6
Yiming Zhang, Ran Kang, Wenrong Liu, Yalan Yang, Ruofan Ding, Qingqing Huang, Junhua Meng, Lili Xiong, Zhiyun Guo
Recent studies have indicated that long non-coding RNAs (lncRNAs) and mRNA function as competing endogenous RNAs (ceRNAs) that compete to bind to shared microRNA (miRNA) recognition elements (MREs) to perform specific biological functions during tumorigenesis. The tumor suppressor p53 is a master regulator of cancer-related biological processes by acting as a transcription factor to regulate target genes including miRNA and lncRNA. However, the mechanism in human hepatocellular carcinoma and whether p53-mediated RNA targets could form ceRNA network remain unclear...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29100300/long-non-coding-rna-miat-promotes-breast-cancer-progression-and-functions-as-cerna-to-regulate-dusp7-expression-by-sponging-mir-155-5p
#7
Tian Luan, Ximei Zhang, Shuyuan Wang, Yan Song, Shunheng Zhou, Jing Lin, Weiwei An, Weiguang Yuan, Yue Yang, Huilong Cai, Qingyuan Zhang, Lihong Wang
Long non-coding RNAs (lncRNA) have been reported as key regulators in the progression and metastasis of breast cancer. In this study, we found that the lncRNA myocardial infarction associated transcript (MIAT) expression was upregulated in breast cancer in The Cancer Genome Atlas (TCGA) data sets. We validated that MIAT was higher in breast cancer cell lines and advanced breast tumors than in normal controls. And MIAT overexpression associated with TNM stage and lymphnode metastasis. Knockdown MIAT inhibited breast cancer cell proliferation and promoted apoptosis...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29077860/systematic-review-of-computational-methods-for-identifying-mirna-mediated-rna-rna-crosstalk
#8
Yongsheng Li, Xiyun Jin, Zishan Wang, Lili Li, Hong Chen, Xiaoyu Lin, Song Yi, Yunpeng Zhang, Juan Xu
Posttranscriptional crosstalk and communication between RNAs yield large regulatory competing endogenous RNA (ceRNA) networks via shared microRNAs (miRNAs), as well as miRNA synergistic networks. The ceRNA crosstalk represents a novel layer of gene regulation that controls both physiological and pathological processes such as development and complex diseases. The rapidly expanding catalogue of ceRNA regulation has provided evidence for exploitation as a general model to predict the ceRNAs in silico. In this article, we first reviewed the current progress of RNA-RNA crosstalk in human complex diseases...
October 25, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/29075789/bancr-contributes-to-the-growth-and-invasion-of-melanoma-by-functioning-as-a-competing-endogenous-rna-to-upregulate-notch2-expression-by-sponging-mir%C3%A2-204
#9
Bingjie Cai, Yunpeng Zheng, Shanshan Ma, Qu Xing, Xinxin Wang, Bo Yang, Guangwen Yin, Fangxia Guan
BRAF-activated non-coding RNA (BANCR) is a long non-coding RNA (lncRNA) that contributes to the initiation and development of many solid tumors, including melanoma. However, the BANCR functions and downstream mechanisms are largely unknown. In this study, we aim to investigate how BANCR participates in the proliferation and migration of malignant melanoma and elucidate the underlying mechanism in this process. We found that the expression of the BANCR was low in melanocytic nevus and human melanocytes but high in melanoma tissues and cell lines...
October 23, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29072698/circular-rna-profiling-reveals-an-abundant-circlmo7-that-regulates-myoblasts-differentiation-and-survival-by-sponging-mir-378a-3p
#10
Xuefeng Wei, Hui Li, Jiameng Yang, Dan Hao, Dong Dong, Yongzhen Huang, Xianyong Lan, Martin Plath, Chuzhao Lei, Fengpeng Lin, Yueyu Bai, Hong Chen
Circular RNAs (circRNAs) have been identified from various tissues and species, but their regulatory functions during developmental processes are not well understood. We examined circRNA expression profiles of two developmental stages of bovine skeletal muscle (embryonic and adult musculus longissimus) to provide first insights into their potential involvement in bovine myogenesis. We identified 12 981 circRNAs and annotated them to the Bos taurus reference genome, including 530 circular intronic RNAs (ciRNAs)...
October 26, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29070041/lncrna-rp11-436h11-5-functioning-as-a-competitive-endogenous-rna-upregulates-bcl-w-expression-by-sponging-mir-335-5p-and-promotes-proliferation-and-invasion-in-renal-cell-carcinoma
#11
Kefeng Wang, Wei Jin, Yan Song, Xiang Fei
BACKGROUND: Accumulating evidence indicates that long non-coding RNAs (lncRNAs) play a crucial role in tumorigenesis. Here, we report a novel lncRNA, RP11-436H11.5, that regulates renal cell carcinoma (RCC) cell proliferation and invasion by sponging miR-335-5p. METHODS: Expression of lncRNA RP11-436H11.5 was determined by a qRT-PCR assay in RCC tissues. RCC cell proliferation and invasion were measured by a cell proliferation assay and a transwell invasion assay...
October 25, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/29069717/integrated-analysis-of-dosage-effect-lncrnas-in-lung-adenocarcinoma-based-on-comprehensive-network
#12
Yunzhen Wei, Zichuang Yan, Cheng Wu, Qiang Zhang, Yinling Zhu, Kun Li, Yan Xu
Accumulating evidences indicate that cancer-related lncRNAs occur frequent somatic copy number alternation (SCNA). Although individual SCNA lncRNAs have been implicated in tumor biology, their regulatory mechanism has not been assessed in a systematic way. In order to explore the expression characteristics and biological functions of SCNA lncRNAs in cancer, we built a computational framework based on lncRNA expression profiles, lncRNA copy numbers and dosage sensitivity score (DSS). First, we found that the lncRNAs with different DSS were involved in distinct biological processes, while those with the same DSS had similar functions...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050308/the-lncrna-hoxa11-as-functions-as-a-competing-endogenous-rna-to-regulate-padi2-expression-by-sponging-mir-125a-5p-in-liver-metastasis-of-colorectal-cancer
#13
Dong Chen, Qiang Sun, Lufei Zhang, Xiaohu Zhou, Xiaofei Cheng, Dongkai Zhou, Feng Ye, Jianjiang Lin, Weilin Wang
Several long non-coding RNAs (lncRNAs) play important roles in the regulation of liver metastasis in colorectal cancer (CRC) patients. We previously described the potential involvement of HOMEOBOX A11 (HOXA11) antisense RNA (HOXA11-AS), miR-125a-5p, and peptidyl arginine deiminase 2 (PADI2) in promoting liver metastasis in CRC patients. In the present study, we verified the significant upregulation of HOXA11-AS and PADI2, as well as the downregulation of miR-125a-5p, in CRC patients with liver metastasis. Overexpression and knockdown studies of HOXA11-AS or PADI2, as well as gain-/loss-of-function studies of miR-125a-5p, revealed a positive correlation between HOXA11-AS and PADI2 and a negative correlation with miR-125a-5p in the regulation of liver metastasis in CRC cell lines...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050268/long-non-coding-rna-neat1-regulates-epithelial-membrane-protein-2-expression-to-repress-nasopharyngeal-carcinoma-migration-and-irradiation-resistance-through-mir-101-3p-as-a-competing-endogenous-rna-mechanism
#14
Yujia Wang, Chunting Wang, Can Chen, Fengbo Wu, Pengfei Shen, Peng Zhang, Gu He, Xiang Li
The altered expression of long non-coding RNAs (lncRNAs) is often related to carcinogenesis, metastasis and resistance to radiation or chemotherapy. In the current study, cDNA microarray analysis found that NEAT1 expression was reduced in nasopharyngeal carcinoma (NPC) patients and that it regulated NPC progression. However, the detailed mechanisms of NEAT1 in NPC were unclear. NEAT1 repressed NPC cell growth, invasion and radiation resistance in vitro and tumor metastasis in vivo. In addition, the results of an approach integrating bioinformatics, luciferase reporter assays and RNA immunoprecipitation indicated that NEAT1 antagonized miR-101-3p through a competing endogenous RNA (ceRNA) mechanism and that the interaction between NEAT1 and EMP2 was miR-101-3p dependent...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29039571/larp1-is-regulated-by-the-xist-mir-374a-axis-and-functions-as-an-oncogene-in-non-small-cell-lung-carcinoma
#15
Zhizheng Xu, Jing Xu, Huoquan Lu, Bin Lin, Shaopeng Cai, Jun Guo, Farong Zang, Rui Chen
La-related protein 1 (LARP1) is a conserved RNA-binding protein and is known to regulate 5'-terminal oligopyrimidine tract (TOP) mRNA translation. Dysregulated LARP1 has been reported to be related to the development of several cancers. However, the exact function and mechanism of LARP1 in non-small cell lung cancer (NSCLC) is largely unknown. In the present study, we found that the mRNA levels of LARP1 were increased in NSCLC cells compared to those in normal control cells. Knockdown of LARP1 inhibited cell proliferation, migration and invasion in NSCLC cells and tumourigenicity in H520 cells...
October 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29038661/assembly-and-annotation-of-transcriptome-provided-evidence-of-mirna-mobility-between-wheat-and-wheat-stem-sawfly
#16
Halise B Cagirici, Sezgi Biyiklioglu, Hikmet Budak
Wheat Stem Sawfly (WSS), Cephus Cinctus Norton (Hymenoptera: Cephidae), is one of the most important pests, causing yield and economic losses in wheat and barley. The lack of information about molecular mechanisms of WSS for defeating plant's resistance prevents application of effective pest control strategies therefore, it is essential to identify the genes and their regulators behind WSS infestations. Long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) are recognized with their regulatory functions on gene expression, tuning protein production by controlling transcriptional and post-transcriptional activities...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29037220/circgfra1-and-gfra1-act-as-cernas-in-triple-negative-breast-cancer-by-regulating-mir-34a
#17
Rongfang He, Peng Liu, Xiaoming Xie, Yujuan Zhou, Qianjin Liao, Wei Xiong, Xiaoling Li, Guiyuan Li, Zhaoyang Zeng, Hailin Tang
BACKGROUD: Accumulating evidences indicate that circular RNAs (circRNAs), a class of non-coding RNAs, play important roles in tumorigenesis. However, the function of circRNAs in triple negative breast cancer (TNBC) is largely unknown. METHODS: We performed circRNA microarrays to identify circRNAs that are aberrantly expressed in TNBC cell lines. Expression levels of a significantly upregulated circRNA, circGFRA1, was detected by quantitative real-time PCR (qRT-PCR) in TNBC cell lines and tissues...
October 16, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29034803/lncrna-hoxa11-as-promotes-proliferation-and-invasion-by-targeting-mir-124-in-human-non-small-cell-lung-cancer-cells
#18
Wanjun Yu, Weidong Peng, Hao Jiang, Hanyun Sha, Jipeng Li
Long non-coding RNAs have been implicated in human cancer but their mechanisms of action are mainly undocumented. In this study, we found that HOXA11-AS expression was upregulated in non-small cell lung cancer tissues and cell lines. High levels of HOXA11-AS expression were correlated with larger tumor size and lymph node metastasis. Functional analysis revealed that HOXA11-AS promotes non-small cell lung cancer cell proliferation and invasion. In particular, HOXA11-AS functions as a competing endogenous RNA to regulate transcriptional factor Sp1 expression via sponging miR-124...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29029488/integrated-analysis-of-competing-endogenous-rna-network-revealing-lncrnas-as-potential-prognostic-biomarkers-in-human-lung-squamous-cell-carcinoma
#19
Jing Sui, Si-Yi Xu, Jiali Han, Song-Ru Yang, Cheng-Yun Li, Li-Hong Yin, Yue-Pu Pu, Ge-Yu Liang
Accumulating evidence shows the important role of long non-coding RNAs (lncRNAs) in competing endogenous RNA (ceRNA) networks for predicting survival in tumor patients. However, prognostic biomarkers for lung squamous cell carcinoma (LUSC) are still lacking. The objective of this study is to identify a lncRNA signature for evaluation of overall survival (OS) in 474 LUSC patients from The Cancer Genome Atlas (TCGA) database. A total of 474 RNA sequencing profiles in LUSC patients with clinical data were obtained, providing a large sample of RNA sequencing data, and 83 LUSC-specific lncRNAs, 26 miRNAs, and 85 mRNAs were identified to construct the ceRNA network (fold change>2, P<0...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029483/the-long-noncoding-rna-tug1-acts-as-a-competing-endogenous-rna-to-regulate-the-hedgehog-pathway-by-targeting-mir-132-in-hepatocellular-carcinoma
#20
Jingjing Li, Qinghui Zhang, Xiaoming Fan, Wenhui Mo, Weiqi Dai, Jiao Feng, Liwei Wu, Tong Liu, Sainan Li, Shizan Xu, Wenwen Wang, Xiya Lu, Qiang Yu, Kan Chen, Yujing Xia, Jie Lu, Yingqun Zhou, Ling Xu, Chuanyong Guo
Emerging evidence shows that the Hedgehog pathway and the long noncoding RNA TUG1 play pivotal roles in cell proliferation, migration, and invasion in tumors. However, the mechanism underlying the effect of TUG1 and the Hedgehog pathway in hepatoma remains undefined. In the present study, we showed that the expression of TUG1 was negatively correlated with that of microRNA (miR)-132, and depletion of TUG1 inhibited the activation of the Hedgehog pathway in vitro and in vivo. We showed that TUG1 functions as a competing endogenous (ceRNA) by competing with miR-132 for binding to the sonic hedgehog protein in HCC, thereby suppressing the activation of Hedgehog signaling and its tumorigenic effect...
September 12, 2017: Oncotarget
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