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https://www.readbyqxmd.com/read/28635228/-mechanism-of-long-non-coding-rna-metastasis-associated-lung-adenocarcinoma-transcript-1-induced-invasion-and-metastasis-of-esophageal-cancer-cell-ec-109
#1
Q Q Zhang, Y H Cui, Y Wang, W Z Kou, F Cao, X J Cao, Z H Miao, X H Kang
Objective: To investigate the effect and mechanism of long non-coding RNA-metastasis associated lung adenocarcinoma transcript 1, (LncRNA-MALAT1) on invasion and metastasis of esophageal cancer cell EC-109. Methods: EC-109 cells were transfected with lentiviral vector carrying short hairpin RNA of MALAT1( shRNA-MALAT1) or a nonspecific shRNA control (shRNA-control). The expressions of MALAT1, microRNA-200a, ZEB1 and ZEB2 were detected by qRT-PCR. The effect of shRNA-MALAT1 on invasion of EC-109 cells was determined by transwell assay...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28629929/interactions-between-micrornas-and-long-non-coding-rnas-in-cardiac-development-and-repair
#2
REVIEW
Alessio Rotini, Ester Martínez-Sarrà, Enrico Pozzo, Maurilio Sampaolesi
Non-coding RNAs (ncRNAs) are emerging players in muscle regulation. Based on their length and differences in molecular structure, ncRNAs are subdivided into several categories including small interfering RNAs, stable non-coding RNAs, microRNAs (miRs), long non-coding RNAs (lncRNAs), and circular RNAs. miRs and lncRNAs are able to post-transcriptionally regulate many genes and bring into play several traits simultaneously due to a myriad of different targets. Recent studies have emphasized their importance in cardiac regeneration and repair...
June 16, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28628672/low-dose-exposure-to-bisphenols-a-f-and-s-of-human-primary-adipocyte-impacts-coding-and-non-coding-rna-profiles
#3
Marie Verbanck, Mickaël Canouil, Audrey Leloire, Véronique Dhennin, Xavier Coumoul, Loïc Yengo, Philippe Froguel, Odile Poulain-Godefroy
Bisphenol A (BPA) exposure has been suspected to be associated with deleterious effects on health including obesity and metabolically-linked diseases. Although bisphenols F (BPF) and S (BPS) are BPA structural analogs commonly used in many marketed products as a replacement for BPA, only sparse toxicological data are available yet. Our objective was to comprehensively characterize bisphenols gene targets in a human primary adipocyte model, in order to determine whether they may induce cellular dysfunction, using chronic exposure at two concentrations: a "low-dose" similar to the dose usually encountered in human biological fluids and a higher dose...
2017: PloS One
https://www.readbyqxmd.com/read/28621687/differentially-expressed-lncrnas-and-mirnas-with-associated-cerna-networks-in-aged-mice-with-postoperative-cognitive-dysfunction
#4
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...
June 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28620134/reciprocal-regulation-of-dgcr5-and-mir-320a-affects-the-cellular-malignant-phenotype-and-5-fu-response-in-pancreatic-ductal-adenocarcinoma
#5
Sun Yong, Yu Yabin, Zhou Bing, Zhu Chuanrong, Gu Dianhua, Zhang Jianhuai, Yuan Weidong, Wang Shuming, Liu Ling
Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive and lethal malignancies. Long non-coding microRNAs (lncRNAs) are a newly discovered type of regulatory molecule with both diagnostic and prognostic value, but the role of lncRNA in PDAC has not been well investigated until now. Here, we present evidence that shows that the lncRNA DGCR5 is significantly reduced in PDAC tissues as well as in PDAC cell lines and that the downregulation of DGCR5 predicts poor prognosis. Ectopic expression of DGCR5 inhibits the proliferation and migration, and promotes 5-FU resistances of PDAC cells...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28611183/the-lncrna-h19-mediates-breast-cancer-cell-plasticity-during-emt-and-met-plasticity-by-differentially-sponging-mir-200b-c-and-let-7b
#6
Wu Zhou, Xiao-Lei Ye, Jun Xu, Ming-Guo Cao, Zheng-Yu Fang, Ling-Yun Li, Guang-Hui Guan, Qiong Liu, Yue-Hui Qian, Dong Xie
Metastasis is a multistep process by which tumor cells disseminate from their primary site and form secondary tumors at a distant site. The pathophysiological course of metastasis is mediated by the dynamic plasticity of cancer cells, which enables them to shift between epithelial and mesenchymal phenotypes through a transcriptionally regulated program termed epithelial-to-mesenchymal transition (EMT) and its reverse process, mesenchymal-to-epithelial transition (MET). Using a mouse model of spontaneous metastatic breast cancer, we investigated the molecular mediators of metastatic competence within a heterogeneous primary tumor and how these cells then manipulated their epithelial-mesenchymal plasticity during the metastatic process...
June 13, 2017: Science Signaling
https://www.readbyqxmd.com/read/28587571/expression-profiling-of-lncrnas-mirnas-and-mrnas-and-their-differential-expression-in-leiomyoma-using-next-generation-rna-sequencing
#7
Tsai-Der Chuang, Omid Khorram
The objective of this study was to identify the expression profile of long noncoding RNAs (lncRNAs) with concurrent assessment of microRNA (miRNA) and messenger RNA (mRNA) profiles in leiomyomas and paired myometrium using next-generation RNA sequencing and assembly of RNA transcripts. Total RNA was isolated from leiomyoma and paired myometrium (N = 8) and samples from 3 pairs were subjected to RNA sequencing. Normalized assembly of over 48 000 lncRNAs resulted in identification of 45 936 lncRNAs. Of these lncRNAs, 22 148 representing overlapping, intergenic, intronic, and antisense subtypes were expressed in all paired tissues, with 5941 (2813 up- and 3128 downregulated at ≥1...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28560950/malat1-promotes-the-proliferation-and-metastasis-of-osteosarcoma-cells-by-activating-the-rac1-jnk-pathway-via-targeting-mir-509
#8
Yong Zhang, Qingfeng Dai, Fanying Zeng, Haichun Liu
Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long noncoding RNA (lncRNA) that contributes to the initiation and development of many solid tumors, including osteosarcoma (OS). In this study, we showed that MALAT1 was increased in human OS tissues and cell lines. MALAT1 knockdown suppressed OS cell growth and metastasis, induced OS cell apoptosis and delayed tumor growth in an OS xenograft model. We also detected downregulation of microRNA-509 (miR-509), a suppressor of OS growth, in OS tissues and cell lines...
May 26, 2017: Oncology Research
https://www.readbyqxmd.com/read/28553938/the-mbnl3-splicing-factor-promotes-hepatocellular-carcinoma-by-increasing-pxn-expression-through-the-alternative-splicing-of-lncrna-pxn-as1
#9
Ji-Hang Yuan, Xiao-Ning Liu, Tian-Tian Wang, Wei Pan, Qi-Fei Tao, Wei-Ping Zhou, Fang Wang, Shu-Han Sun
Understanding the roles of splicing factors and splicing events during tumorigenesis would open new avenues for targeted therapies. Here we identify an oncofetal splicing factor, MBNL3, which promotes tumorigenesis and indicates poor prognosis of hepatocellular carcinoma patients. MBNL3 knockdown almost completely abolishes hepatocellular carcinoma tumorigenesis. Transcriptomic analysis revealed that MBNL3 induces lncRNA-PXN-AS1 exon 4 inclusion. The transcript lacking exon 4 binds to coding sequences of PXN mRNA, causes dissociation of translation elongation factors from PXN mRNA, and thereby inhibits PXN mRNA translation...
May 29, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28535533/malat1-modulates-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-through-downregulation-of-mir-145
#10
Yin Xiang, Yachen Zhang, Yong Tang, Qianhui Li
BACKGROUND/AIMS: Endothelial-to-mesenchymal transition (EndMT) plays significant roles under various pathological conditions including cardiovascular diseases, fibrosis, and cancer. EndMT of endothelial progenitor cells (EPCs) contributes to neointimal hyperplasia following cell therapy Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA (lncRNA) that promotes metastasis and cancer. MicroRNA-145 (miR-145) is a tumor suppressor that has been reported to inhibit SMAD3-mediated epithelial-to-mesenchymal transition (EMT) of cancer cells...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28534937/the-inhibitory-effect-of-meg3-mir-214-aifm2-axis-on-the-growth-of-t-cell-lymphoblastic-lymphoma
#11
Fang-Yi Fan, Rui Deng, Hai Yi, Hao-Ping Sun, Yan Zeng, Guang-Cui He, Yi Su
T-cell lymphoblastic lymphoma (T-LBL) is an aggressive malignancy with poor prognosis and high recurrence rate. Long non-coding RNA (lncRNA)-MEG3 is an important tumor suppressor in various cancers. The present study investigated the potential role of maternally expressed gene 3 (MEG3) in the progression of T-LBL. Suppressed expression of MEG3 was detected in T-LBL tissues compared with adjacent histologically normal tissues. Down-regulated level of MEG3 was also found in three T-LBL cell lines (CCRF-CEM, Jurkat and SUP-T1) compared with human T-cell line H9...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28529100/transcriptional-and-post-transcriptional-gene-regulation-by-long-non-coding-rna
#12
REVIEW
Iain Dykes, Costanza Emanueli
Advances in genomics technology over recent years have led to the surprising discovery that the genome is far more pervasively transcribed than was previously appreciated. Much of the newly-discovered transcriptome appears to represent long non-coding RNA (lncRNA), a heterogeneous group of largely uncharacterised transcripts. Understanding the biological function of these molecules represents a major challenge and in this review we discuss some of the progress made to date. One major theme of lncRNA biology seems to be the existence of a network of interactions with microRNA (miRNA) pathways...
May 18, 2017: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28528706/long-noncoding-rnas-in-the-pathogenesis-of-barrett-s-esophagus-and-esophageal-carcinoma
#13
REVIEW
John M Abraham, Stephen J Meltzer
For many years, only a small fraction of the human genome was believed to regulate cell function and development. This protein-coding portion composed only 1% to 2% of 3 billion human DNA base pairs-the remaining sequence was classified as junk DNA. Subsequent research has revealed that most of the genome is transcribed into a broad array of noncoding RNAs, ranging in size from microRNA (20-23 nucleotides) to long noncoding RNA (lncRNA, more than 200 nucleotides). These noncoding RNA classes have been shown to use diverse molecular mechanisms to control gene expression and organ system development...
May 18, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28526319/lncrna-gas5-controls-cardiac-fibroblast-activation-and-fibrosis-by-targeting-mir-21-via-pten-mmp-2-signaling-pathway
#14
Hui Tao, Jia-Gui Zhang, Run-He Qin, Chen Dai, Peng Shi, Jing-Jing Yang, Zi-Yu Deng, Kai-Hu Shi
Long noncoding RNAs (LncRNAs) are aberrantly expressed in many diseases including cardiac fibrosis. LncRNA growth arrest-specific 5 (GAS5) is reported as a significant mediator in the control of cell proliferation and growth; however, the role and function in cardiac fibrosis remain unknown. In this study, we confirmed that GAS5 was lowly expressed in cardiac fibrosis tissues as well as activated cardiac fibroblast. Overexpression of GAS5 inhibited the proliferation of cardiac fibroblast. Moreover, microRNA-21 (miR-21) has been reported to be overexpressed in cardiac fibrosis tissues as well as activated cardiac fibroblast, which is responsible for the progression of cardiac fibrosis...
May 17, 2017: Toxicology
https://www.readbyqxmd.com/read/28520497/lncrna-pvt1-regulates-chondrocyte-apoptosis-in-osteoarthritis-by-acting-as-a-sponge-for-mir-488-3p
#15
Yufei Li, Shuhua Li, Yatong Luo, Yong Liu, Nanhui Yu
Long noncoding RNAs (lncRNAs) have been known to be involved in multiple diverse diseases, including osteoarthritis (OA). The present study aims at exploring the biological role of lncRNA plasmacytoma variant translocation 1 (PVT1) in OA and the underlying mechanism. Results showed that the expression of PVT1 was upregulated in OA chondrocytes compared with normal chondrocytes, silencing PVT1 inhibited the apoptosis of OA chondrocytes, and overexpression of PVT1 promoted the apoptosis of normal chondrocytes...
May 18, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28519068/long-noncoding-rna-gas5-suppresses-cell-growth-and-epithelial-mesenchymal-transition-in-osteosarcoma-by-regulating-the-mir-221-arhi-pathway
#16
Kaishan Ye, Shuanke Wang, Haihong Zhang, Hua Han, Bing Ma, Wei Nan
Dysregulated long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) play key roles in the development of human cancers. The lncRNA growth arrest-specific 5 (GAS5) is reported to be a tumor suppressor in multiple cancers. However, the roles of GAS5 and its related miRNAs in osteosarcoma are poorly understood. This study explored the potential functions and mechanisms of GAS5 in the tumorigenesis of osteosarcoma. Here, the expression of GAS5, miR-221 and aplasia Ras homologue member I (ARHI) was determined in osteosarcoma tissues and cells by Real-time PCR (RT-qPCR)...
May 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28492542/lncrna-hotair-regulates-hif-1%C3%AE-axl-signaling-through-inhibition-of-mir-217-in-renal-cell-carcinoma
#17
Quan Hong, Ou Li, Wei Zheng, Wen-Zhen Xiao, Lu Zhang, Di Wu, Guang-Yan Cai, John Cijiang He, Xiang-Mei Chen
Long non-coding RNA HOTAIR was regarded as an oncogene in multiple cancers. Previous studies have shown that HOTAIR is involved in the proliferation and tumorigenesis of renal carcinoma cells, while microRNA (miR)-217 functions as a tumor suppressor in renal cell carcinoma (Rcc). However, the underlying molecular mechanism of HOTAIR in Rcc, especially in association with miR-217, has not been studied. In this study, we first demonstrated that HOTAIR expression was upregulated, which was correlated with tumor progression, and miR-217 downregulated in Rcc tissues and cells...
May 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28482794/inferring-mirna-sponge-co-regulation-of-protein-protein-interactions-in-human-breast-cancer
#18
Junpeng Zhang, Thuc Duy Le, Lin Liu, Jiuyong Li
BACKGROUND: Recent studies have shown that the crosstalk between microRNA (miRNA) sponges plays an important role in human cancers. However, the co-regulation roles of miRNA sponges in protein-protein interactions (PPIs) are still unknown. RESULTS: In this study, we propose a multi-step method called miRSCoPPI to infer miRNA sponge co-regulation of PPIs. We focus on investigating breast cancer (BRCA) related miRNA sponge co-regulation, by integrating heterogeneous data, including miRNA, long non-coding RNA (lncRNA) and messenger RNA (mRNA) expression data, experimentally validated miRNA-target interactions, PPIs and lncRNA-target interactions, and the list of breast cancer genes...
May 8, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28476020/the-role-of-autophagy-in-hepatocellular-carcinoma-friend-or-foe
#19
REVIEW
Lian Liu, Jia-Zhi Liao, Xing-Xing He, Pei-Yuan Li
Autophagy is an evolutionarily conserved lysosome-dependent catabolic process which degrades cell's components in order to recycle substrates to exert optimally and adapt to tough circumstances. It is a critical cellular homeostatic mechanism with stress resistance, immunity, antiaging, and pro-tumor or anti-tumor effects. Among these, the role of autophagy in cancer is the most eye-catching that is not immutable but dynamic and highly complex. Basal autophagy acts as a tumor suppressor by maintaining genomic stability in normal cells...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28469804/long-noncoding-rna-crnde-activates-wnt-%C3%AE-catenin-signaling-pathway-through-acting-as-a-molecular-sponge-of-microrna-136-in-human-breast-cancer
#20
Jinliang Huan, Li Xing, Qianhuang Lin, Hu Xui, Xianju Qin
Long non-coding RNAs (lncRNAs) serve critical roles in the tumorigenesis and development of multiple human malignancies. Herein, we aimed to explore the biological and clinical significance of lncRNA CRNDE in human breast cancer (BC). The expression of CRNDE in BC tissues and cell lines was detected, and the association between CRNDE expression and clinicopathologic features of BC patients was also analyzed. Novel targets of CRNDE were identified through a bioinformatics search and confirmed using a dual-luciferase reporter system...
2017: American Journal of Translational Research
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