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https://www.readbyqxmd.com/read/28070051/-prognostic-value-of-lncrna-hotair-expression-in-%C3%A2-patients-with-cancer-a-meta-analysis
#1
Wenna Xi, Wei Song
To systematically review the prognostic value regarding the expression of long non-coding RNA (lncRNA) Hox transcript antisense intergenic RNA (HOTAIR) in patients with cancer. 
 Methods: Databases including The Cochrane Library, EMBASE, MEDLINE, and PubMed were searched to collect English literature on the correlation between lncRNA HOTAIR expression and overall survival in tumors. The retrieval time was from inception to September 2015. After data were extracted, a Meta-analysis was performed using RevMan 5...
December 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28069441/transcription-of-hotair-is-regulated-by-rhoc-mrtf-a-srf-signaling-pathway-in-human-breast-cancer-cells
#2
Hongpeng He, Zhaoqiang Wei, Fu Du, Chao Meng, Deliang Zheng, Yongwei Lai, Hailin Yao, Hao Zhou, Nan Wang, Xue-Gang Luo, Wenjian Ma, Tong-Cun Zhang
HOTAIR is a long non-coding RNA highly expressed in cancer tissues and is a negative prognostic factor, whereas the mechanism by which HOTAIR expression is upregulated in cancers remains elusive. In the present study, the regulation of HOTAIR transcription was investigated in breast cancer cells MCF7 and T47D. We found that, when the RhoC-ROCK signaling was disturbed by specific siRNAs or chemical inhibitors, the expression of HOTAIR would be down-regulated. Further, MRTF-A and SRF were found to affect HOTAIR expression...
January 7, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28067428/hotair-role-in-melanoma-progression-and-its-identification-in-the-blood-of-patients-with-advanced-disease
#3
Monica Cantile, Giosuè Scognamiglio, Laura Marra, Gabriella Aquino, Chiara Botti, Maria Rosaria Falcone, Maria Gabriella Malzone, Giuseppina Liguori, Maurizio Di Bonito, Renato Franco, Paolo Antonio Ascierto, Gerardo Botti
OBJECTIVES: The molecular mechanisms responsible for the metastatic progression of melanoma have not been fully defined yet. We have recently shown that an important role in this process is certainly played by HOX genes, whose regulation is under control of particular non-coding RNAs, some of which are present within the HOX locus. HOTAIR is the most studied among them, whose aberrant expression is associated with the metastatic progression of many malignancies. The aim of this study was to verify the role played by HOTAIR in metastatic progression of melanoma and to evaluate the circulating levels of HOTAIR in the blood of patients with metastatic melanoma...
January 9, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28066612/elevated-hotair-expression-associated-with-cisplatin-resistance-in-non-small-cell-lung-cancer-patients
#4
Ming-Yue Liu, Xi-Qing Li, Tian-Hui Gao, Yao Cui, Ning Ma, Yun Zhou, Guo-Jun Zhang
BACKGROUND: This study investigated the mechanism of drug resistance in non-small cell lung cancer (NSCLC) patients. We specifically studied whether long noncoding RNAs influence drug resistance in NSCLC to discover new therapeutic targets to increase the survival rate of drug-resistant NSCLC patients. METHODS: Tissue samples were collected from NSCLC patients, and total RNA was isolated for assessment of HOTAIR expression and drug resistance status. MTT assays, tumor sphere formation assays, and western blot were performed to cytologically determine the relationship between HOTAIR expression and cisplatin resistance, as well as to elucidate the potential molecular mechanism involved...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27979710/hotair-facilitates-hepatic-stellate-cells-activation-and-fibrogenesis-in-the-liver
#5
Er-Bao Bian, Yuan-Yuan Wang, Yang Yang, Bao-Ming Wu, Tao Xu, Xiao-Ming Meng, Cheng Huang, Lei Zhang, Xiong-Wen Lv, Zhi-Gang Xiong, Jun Li
Long non-coding RNAs (lncRNAs) are increasingly recognized as major players in regulating various biological processes. LncRNA HOX transcript antisense RNA (Hotair) has been extensively studied in cancer. However, the role of Hotair in liver fibrosis remains unknown. Here we observed that Hotair expression was significantly increased in CCl4-induced mouse liver fibrosis models, human fibrotic livers and activated hepatic stellate cells (HSCs) by TGF-β1 stimulation. Enforced expression of Hotair in LX-2 cells promoted cell proliferation and activation while inhibition of its expression had an opposite effect...
December 13, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27977686/comment-on-hotair-is-dispensable-for-mouse-development
#6
Lingjie Li, Jill A Helms, Howard Y Chang
No abstract text is available yet for this article.
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27977683/hotair-is-dispensible-for-mouse-development
#7
Ana Rita Amândio, Anamaria Necsulea, Elisabeth Joye, Bénédicte Mascrez, Denis Duboule
Despite the crucial importance of Hox genes functions during animal development, the mechanisms that control their transcription in time and space are not yet fully understood. In this context, it was proposed that Hotair, a lncRNA transcribed from within the HoxC cluster regulates Hoxd gene expression in trans, through the targeting of Polycomb and consecutive transcriptional repression. This activity was recently supported by the skeletal phenotype of mice lacking Hotair function. However, other loss of function alleles at this locus did not elicit the same effects...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27977512/schisandrin-b-inhibits-the-proliferation-and-invasion-of-glioma-cells-by-regulating-the-hotair-micorna-125a-mtor-pathway
#8
Yan Jiang, Qiuli Zhang, Jinsuo Bao, Chenghua Du, Jian Wang, Qiang Tong, Chang Liu
Glioma is one of the most common malignant central nervous system tumors in humans. Schisandrin B (Sch B) has been confirmed to cause the proliferation and invasion of glioma cells. In the present study, the potential mechanism underlying the antitumor effect of Sch B on glioma cells was investigated. The glioma cell lines, U251 and U87, were exposed to Sch B, and the cell viability, apoptosis, migration, and invasion were determined using the MTT assay, flow cytometry, and transwell assay, respectively. Then, the effects of HOTAIR and miR-125a on tumor biology and the mammalian target of rapamycin (mTOR) protein expression in cell lines exposed to Sch B were investigated...
January 18, 2017: Neuroreport
https://www.readbyqxmd.com/read/27966488/long-non-coding-rna-hotair-regulates-proliferation-and-invasion-via-activating-notch-signalling-pathway-in-retinoblastoma
#9
Changxia Dong, Shaoyi Liu, Yongbin Lv, Chunping Zhang, Heying Gao, Lixia Tan, Hong Wang
Retinoblastoma is the most frequently occurring tumour in the eyes in early childhood. Novel targets that are important for the diagnosis or treatment of retinoblastoma could be valuable in increasing the survival rate of patients affected by this disease. Long non-coding RNAs (lncRNAs) are a recently discovered type of RNAs with no proteincoding function; yet it has become increasingly clear that lncRNAs are responsible for important gene regulatory functions in various diseases. In this study, the expression of lncRNA HOTAIR was measured by qRT-PCR, and HOTAIR expression was found to be significantly upregulated in human retinoblastomas tissues as compared with that in paracancerous tissues...
December 2016: Journal of Biosciences
https://www.readbyqxmd.com/read/27965458/association-between-the-hotair-polymorphisms-and-cancer-risk-an-updated-meta-analysis
#10
Zhao-Xiong Zhang, Xue Tong, Wan-Ni Zhang, Wei-Neng Fu
PURPOSE: LncRNA HOTAIR plays an important role in many cancer. Several studies have shown that some HOTAIR SNPs might be associated with tumor risk in case-control studies, but the results are inconsistent and inconclusive. Therefore, it is necessary to better evaluate association between the HOTAIR SNPs and the risk of cancer. RESULTS: rs920778, rs7958904 and rs874945 but not rs4759314 and rs1899663 loci were significantly related to cancer risk, among of which rs920778 and rs874945 increased and rs7958904 decreased cancer risk, respectively...
December 10, 2016: Oncotarget
https://www.readbyqxmd.com/read/27941336/a-feed-forward-regulatory-loop-between-hur-and-the-long-noncoding-rna-hotair-promotes-head-and-neck-squamous-cell-carcinoma-progression-and-metastasis
#11
Cheng-Zhi Xu, Chenyan Jiang, Qingwei Wu, Liu Liu, Xiaojun Yan, Runjie Shi
BACKGROUND/AIMS: The lncRNA Homeobox (HOX) transcript antisense RNA (HOTAIR) is overexpressed in numerous cancers. HuR is also overexpressed during tumourigenesis and is abnormally present within the cytoplasm, where it binds to AU-rich elements in the 3'UTRs of target mRNA and post-transcriptionally regulates the expression of its target genes. However, whether HOTAIR is regulated and the mechanisms by which it affects head and neck squamous cell carcinoma (HNSCC) are not well understood...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27922078/malat1-and-hotair-long-non-coding-rnas-play-opposite-role-in-estrogen-mediated-transcriptional-regulation-in-prostate-cancer-cells
#12
Aurora Aiello, Lorenza Bacci, Agnese Re, Cristian Ripoli, Francesco Pierconti, Francesco Pinto, Riccardo Masetti, Claudio Grassi, Carlo Gaetano, Pier Francesco Bassi, Alfredo Pontecorvi, Simona Nanni, Antonella Farsetti
In the complex network of nuclear hormone receptors, the long non-coding RNAs (lncRNAs) are emerging as critical determinants of hormone action. Here we investigated the involvement of selected cancer-associated lncRNAs in Estrogen Receptor (ER) signaling. Prior studies by Chromatin Immunoprecipitation (ChIP) Sequencing showed that in prostate cancer cells ERs form a complex with the endothelial nitric oxide synthase (eNOS) and that in turn these complexes associate with chromatin in an estrogen-dependent fashion...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904706/the-central-role-of-hotair-in-the-malignancy-of-cd44-human-hypopharyngeal-carcinoma-cells
#13
Hongxia Cheng, Xinhua Cui, Ying Guo, Lintao Gu, Yaning Wang, Qirong Wang, Hui Liang
Human hypopharyngeal carcinoma is one of the most common malignant tumors. CD44 could serve as a molecular marker to screen for cancer stem cells (CSCs) in hypopharyngeal cancer. The aim of this study was to identify the role of HOX transcript antisense RNA (HOTAIR) on cell proliferation and invasion in CD44+ FADU cells (human hypopharyngeal carcinoma cells). We also explored the underlying mechanism contributing to HOTAIR's observed effects. CD44+ FADU cells were sorted and purified by flow cytometry and infected with lentivirus stably expressing HOTAIR shRNA...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904675/expression-of-long-non-coding-rna-hotair-in-oral-squamous-cell-carcinoma-tca8113-cells-and-its-associated-biological-behavior
#14
Huawei Liu, Zhiyong Li, Chao Wang, Lin Feng, Haitao Huang, Changkui Liu, Fengxia Li
As a long noncoding RNA, HOX transcript antisense intergenic RNA (HOTAIR) is highly expressed in many types of tumors. However, its expression and function in oral squamous cell carcinoma (OSCC) cells and tissues remains largely unknown. We herein studied the biological functions of HOTAIR in OSCC Tca8113 cells. Real-time quantitative PCR showed that HOTAIR, p21 and p53 mRNA expressions in doxorubicin (DOX)-treated or γ-ray-irradiated Tca8113 cells were up-regulated. Knockdown of p53 expression inhibited DOX-induced HOTAIR up-regulation, suggesting that DNA damage-induced HOTAIR expression may be associated with p53...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27900563/lncrna-hotair-promotes-cisplatin-resistance-in-gastric-cancer-by-targeting-mir-126-to-activate-the-pi3k-akt-mrp1-genes
#15
Jin Yan, Yini Dang, Shiyu Liu, Yifeng Zhang, Guoxin Zhang
Altered expression of long noncoding RNAs (lncRNAs) has shown to associate with human cancer development and progression and drug resistance. LncRNA HOX antisense intergenic RNA (HOTAIR) regulates chromatin state and highly expressed in various human cancers. This study analyzed HOTAIR expression in gastric cancer cells and tissues and then assessed the effects of HOTAIR on modulation of gastric cancer cell sensitivity to cisplatin and the underlying molecular events. The data showed that HOTAIR was significantly upregulated in cisplatin-resistant gastric cancer cells and tissues compared with control cells and noncancerous gastric tissues...
November 30, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27897239/expression-level-and-clinical-significance-of-hox-transcript-antisense-intergenic-rna-in-cervical-cancer-a-meta-analysis
#16
Shasha Liu, Min Zhang, Pengpeng Qu
The long noncoding RNA HOX transcript antisense intergenic RNA (HOTAIR) is associated with the development and progression of several types of cancer; however, its role in cervical cancer is unclear. Here, we performed a meta-analysis to evaluate the expression levels and clinical significance of HOTAIR in cervical cancer tissue. Relevant literature published by January 2016 was identified in PubMed, EMBase, National Knowledge Infrastructure, Wanfang Database, and Chinese Biomedical Literature Database. We performed statistical analysis, calculated standard mean differences (SMDs), and determined combined odds ratios (ORs) with 95% confidence intervals...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27895772/hotair-a-long-non-coding-rna-driver-of-malignancy-whose-expression-is-activated-by-foxc1-negatively-regulates-mirna-1-in-hepatocellular-carcinoma
#17
Dong-Na Su, Shi-Pin Wu, Hong-Tao Chen, Jin-Hua He
Evidence is rapidly accumulating that long non-coding RNAs (lncRNAs) are involved in human tumorigenesis and are dysregulated in multiple cancers, including hepatocellular carcinoma (HCC). lncRNAs can regulate essential pathways that contribute to tumor initiation and progression with tissue specificity, which suggests that lncRNAs may be valuable biomarkers and therapeutic targets. HOX transcript antisense intergenic RNA (HOTAIR) has previously been demonstrated to be an oncogene and a negative prognostic factor in a variety of cancers; however, the factors that contribute to the upregulation of HOTAIR and the interaction between HOTAIR and microRNAs (miRNAs or miRs) are largely unknown...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895308/epigenetic-inhibition-of-mir-663b-by-long-non-coding-rna-hotair-promotes-pancreatic-cancer-cell-proliferation-via-up-regulation-of-insulin-like-growth-factor-2
#18
Huihua Cai, Yong An, Xuemin Chen, Donglin Sun, Tongbing Chen, Yan Peng, Feng Zhu, Yong Jiang, Xiaozhou He
Pancreatic cancer is one of the most deadly cancers with a poor prognosis. Although microRNAs are involving in the carcinogenesis and development of pancreatic cancer, little information is known regarding the role of miR-663b in pancreatic cancer. In this study, the expression of miR-663b in pancreatic cancer cells was down-regulated by hypermethylation in its putative promoter region, and overexpression of miR-663b repressed cell proliferation, invasion and migration, and induced apoptosis in pancreatic cancer cells...
November 22, 2016: Oncotarget
https://www.readbyqxmd.com/read/27875938/the-role-of-long-noncoding-rna-hotair-in-the-acquired-multidrug-resistance-to-imatinib-in-chronic-myeloid-leukemia-cells
#19
Haiying Wang, Qian Li, Shusen Tang, Meifang Li, Anhua Feng, Lili Qin, Zhiqiang Liu, Xin Wang
OBJECTIVES: Imatinib, a breakpoint cluster region-Abelson murine leukemia tyrosine kinase inhibitor, has revolutionized the treatment of chronic myelogenous leukemia (CML). However, the development of multidrug resistance (MDR) limits the clinical application of imatinib. In this study, we aimed to investigate the mechanisms of long noncoding RNA (lncRNA) HOTAIR in CML resistance to imatinib. METHODS: Thirty-four CML patients were divided into multidrug resistance protein 1 (MRP1)-low and MRP1-high groups according to the median expression...
November 22, 2016: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/27835600/yap1-enhances-cell-proliferation-migration-and-invasion-of-gastric-cancer-in-vitro-and-in-vivo
#20
Dan Sun, Xiaoting Li, Yingjian He, Wenhui Li, Ying Wang, Huan Wang, Shanshan Jiang, Yan Xin
Yes-associated protein 1 (YAP1) plays an important role in the development of carcinomas such as breast, colorectal, and gastric (GC) cancers, but the role of YAP1 in GC has not been investigated comprehensively. The present study strongly suggests that YAP1 and P62 were significantly up-regulated in GC specimens, compared with normal gastric mucosa. In addition, the YAP1high P62high expression was independently associated with poor prognosis in GC (hazard ratio: 1.334, 95% confidence interval: 1.045-1.704, P = 0...
November 7, 2016: Oncotarget
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