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https://www.readbyqxmd.com/read/28209170/lincrnafezf1-as1-represses-p21-expression-to-promote-gastric-cancer-proliferation-through-lsd1-mediated-h3k4me2-demethylation
#1
Yan-Wen Liu, Rui Xia, Kai Lu, Min Xie, Fen Yang, Ming Sun, Wei De, Cailian Wang, Guozhong Ji
BACKGROUND: Although the prognosis of gastric cancer patients have a favorable progression, there are some patients with unusual patterns of locoregional and systemic recurrence. Therefore, a better understanding of early molecular events of the disease is needed. Current evidences demonstrate that long noncoding RNAs (lncRNAs) may be an important class of functional regulators involved in human gastric cancers development. Our previous studies suggest that HOTAIR contributes to gastric cancer development, and the overexpression of HOTAIR predicts a poor prognosis...
February 16, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28207735/long-non-coding-rna-hotair-inhibits-mir-17-5p-to-regulate-osteogenic-differentiation-and-proliferation-in-non-traumatic-osteonecrosis-of-femoral-head
#2
Biaofang Wei, Wei Wei, Baoxiang Zhao, Xiaxia Guo, Song Liu
BACKGROUND AND AIM: The biological functions of non-coding RNAs (ncRNAs) have been widely identified in many human diseases. In the present study, the relationship between long non-coding RNA HOTAIR and microRNA-17-5p (miR-17-5p) and their roles in osteogenic differentiation and proliferation in non-traumatic osteonecrosis of femoral head (ONFH) were investigated. METHODS: The expression levels of HOTAIR and miR-17-5p in the mesenchymal stem cells (MSCs) derived from patients with non-traumatic ONFH and osteoarthritis (OA) were examined by real-time PCR...
2017: PloS One
https://www.readbyqxmd.com/read/28187439/long-non-coding-rna-in-glioma-signaling-pathways
#3
REVIEW
Jia Shi, Bo Dong, Jiachao Cao, Yumin Mao, Wei Guan, Ya Peng, Suinuan Wang
Glioma is regarded as the most prevalent malignant carcinoma of the central nervous system. Thus, the development of new therapeutic strategies targeting glioma is of significant clinical importance. Long non-coding RNAs (lncRNAs) are functional RNA molecules without a protein-coding function and are reportedly involved in the initiation and progression of glioma. Dysregulation of lncRNAs in glioma is due to activation of several signaling pathways, such as the BRD4-HOTAIR-β-catenin/PDCD4, p53-Hif-H19/IGF2 and CRNDE/mTOR pathways...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28182000/knockdown-of-long-non-coding-rna-hotair-increases-mir-454-3p-by-targeting-stat3-and-atg12-to-inhibit-chondrosarcoma-growth
#4
Xing Bao, Tingting Ren, Yi Huang, Kunkun Sun, Shidong Wang, Kuisheng Liu, Bingxin Zheng, Wei Guo
Current practices for the therapy of chondrosarcoma, including wide-margin surgical resection and chemotherapy, are less than satisfactory. Recently, emerging evidence has demonstrated that long non-coding RNAs (lncRNAs) have an essential role in the initiation and progression of tumors. As a typical lncRNA, HOTAIR is significantly overexpressed in various tumors. However, the function and potential biological mechanisms of HOTAIR in human chondrosarcoma remain unknown. Quantitative RT-PCR demonstrated that HOTAIR expression was upregulated in chondrosarcoma tissues and cell lines...
February 9, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28177890/long-noncoding-rna-hotair-promotes-metastasis-of-renal-cell-carcinoma-by-up-regulating-histone-h3k27-demethylase-jmjd3
#5
Ming Xia, Lv Yao, Qiaoxia Zhang, Feng Wang, Hongbin Mei, Xiaoqiang Guo, Weiren Huang
Long Noncoding RNAs (lncRNAs) are a kind of non-protein coding transcripts longer than 200 nucleotides, and play important roles in diverse biological processes, such as embryonic development and apoptosis. Homeobox (HOX) transcript antisense intergenic RNA (HOTAIR) is a negative prognostic factor in a variety of human cancers, such as breast, liver and lung cancers. HOTAIR can promote cancer cell metastasis by reprogramming chromatin organization. In the present study, HOTAIR expression was elevated in tissues of renal cell carcinoma compared to adjacent normal tissues, and positively correlated with metastasis (P<0...
February 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28167697/prc2-is-dispensable-for-hotair-mediated-transcriptional-repression
#6
Manuela Portoso, Roberta Ragazzini, Živa Brenčič, Arianna Moiani, Audrey Michaud, Ivaylo Vassilev, Michel Wassef, Nicolas Servant, Bruno Sargueil, Raphaël Margueron
Long non-coding RNAs (lncRNAs) play diverse roles in physiological and pathological processes. Several lncRNAs have been suggested to modulate gene expression by guiding chromatin-modifying complexes to specific sites in the genome. However, besides the example of Xist, clear-cut evidence demonstrating this novel mode of regulation remains sparse. Here, we focus on HOTAIR, a lncRNA that is overexpressed in several tumor types and previously proposed to play a key role in gene silencing through direct recruitment of Polycomb Repressive Complex 2 (PRC2) to defined genomic loci...
February 6, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28159935/lncrnas-as-an-intermediate-in-hpv16-promoting-myeloid-derived-suppressor-cell-recruitment-of-head-and-neck-squamous-cell-carcinoma
#7
Xiangrui Ma, Surui Sheng, Jingbiao Wu, Yaping Jiang, Xiaolei Gao, Xiao Cen, Jiashun Wu, Shasha Wang, Yajie Tang, Yaling Tang, Xinhua Liang
The emerging evidence showed that long noncoding RNAs (lncRNAs) are involved in cell growth and apoptosis as well as cancer progression and metastasis of malignant tumor, however, limited data are available on the role of lncRNAs in human papillomavirus (HPV)-associated Head and neck squamous cell carcinomas (HNSCC). Here, we demonstrated that 23.98% of 196 HNSCC cases in Southwest China could be classified as HPV16 infection. The number of MDSCs in HPV-positive HNSCC was significantly higher than normal control, indicating that HPV infection may promote MDSCs aggregation...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28159929/the-hotair-prncr1-and-polr2e-polymorphisms-are-associated-with-cancer-risk-a-meta-analysis
#8
Haiyan Chu, Yaoyao Chen, Qinbo Yuan, Qiuhan Hua, Xu Zhang, Meilin Wang, Na Tong, Wei Zhang, Jinfei Chen, Zhengdong Zhang
Long non-coding RNAs (LncRNAs) have been widely studied and aberrant expression of lncRNAs are involved in diverse cancers. Genetic variation in lncRNAs can influence the lncRNAs expression and function. At present, there are many studies to investigate the association between lncRNAs polymorphisms and cancer susceptibility. However, it has no systematic study to evaluate the association. We performed a meta-analysis to summarize the results of common lncRNAs (HOTAIR, PRNCR1, POLR2E and H19) polymorphisms on cancer risk, by using the random-effect model to obtain the odds ratio (ORs) and 95% confidence interval (95%CI)...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28129115/hotair-epigenetically-modulates-pten-expression-via-microrna-29b-a-novel-mechanism-in-regulation-of-liver-fibrosis
#9
Fujun Yu, Bicheng Chen, Peihong Dong, Jianjian Zheng
Homeobox transcript antisense RNA (HOTAIR), as a long intergenic non-coding RNA (lincRNA), is upregulated in various cancers and involved in diverse cellular functions. However, its role in liver fibrosis is unclear. In this study, HOTAIR expression was upregulated in hepatic stellate cells (HSCs) in vivo and in vitro during liver fibrosis. HOTAIR knockdown suppressed HSC activation including α-smooth muscle actin (α-SMA) and typeIcollagen in vitro and in vivo. Both HSC proliferation and cell cycle were inhibited by HOTAIR knockdown...
January 4, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28122024/long-non-coding-rna-hotair-regulates-the-proliferation-self-renewal-capacity-tumor-formation-and-migration-of-the-cancer-stem-like-cell-csc-subpopulation-enriched-from-breast-cancer-cells
#10
Jia Deng, Mengchang Yang, Rong Jiang, Ning An, Xiaoshan Wang, Bin Liu
PURPOSE: Long non-coding RNAs (lncRNAs) play important roles in the malignant behavior of cancer. HOTAIR, a well-studied lncRNA, contributes to breast cancer development, and overexpression of HOTAIR predicts a poor prognosis. However, the regulatory role of HOTAIR in the cancer stem-like cell (CSC) subpopulation remains largely unknown. Our goal was to determine the regulatory functions of HOTAIR in the processes of self-renewal capacity, tumor formation and proliferation of CSCs derived from breast cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28121347/the-use-of-lncrna-analysis-for-stratification-management-of-prognostic-risk-in-patients-with-nsclc
#11
C-G Zhang, D-D Yin, S-Y Sun, L Han
OBJECTIVE: Lung cancer is the most frequent cancer in China and worldwide. Long noncoding RNAs (lncRNAs) have been shown to play important regulatory roles in human cancer biology. The aim of the present study was to investigate the relationship between genomics and prognosis among lung cancer patients. PATIENTS AND METHODS: We collected specimens from non-small cell lung cancer (NSCLC) patients after surgery. Q-PCR was performed to investigate the expression level of lncRNAs in cancerous and adjacent normal tissue...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28118613/prognostic-value-of-abnormally-expressed-lncrnas-in-ovarian-carcinoma-a-systematic-review-and-meta-analysis
#12
REVIEW
Ping Luo, Xue-Fang Liu, Ying-Chao Wang, Nan-Di Li, Shen-Jun Liao, Ming-Xia Yu, Chun-Zi Liang, Jian-Cheng Tu
Ovarian cancer (OC) is the most deadly gynecological cancer and it is urgently needed to find a new marker for the progress of OC. Many long noncoding RNAs (lncRNAs) have been reported to be aberrantly expressed in ovarian carcinoma, and may serve as prognostic markers. Therefore, we conducted this meta-analysis to gain a better understanding of the prognostic value of lncRNAs in patients with varian carcinoma. We systematically searched PubMed, EMBASE, and Web of Science. A total of 13 eligible studies, including 10 on clinicopathological features, 13 on prognosis were identified...
January 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28105224/suppression-of-pdcd4-mediated-by-the-long-non-coding-rna-hotair-inhibits-the-proliferation-and-invasion-of-glioma-cells
#13
Yong'An Chen, Yusong Bian, Shanpeng Zhao, Fanqiang Kong, Xin'Gang Li
Programmed cell death protein 4 (PDCD4) has recently been demonstrated to be implicated in translation and transcription, and the regulation of cell growth. However, the mechanisms underlying PDCD4 function in glioma cells remain to be elucidated. The current study investigated the function and regulation of PDCD4 and the results demonstrated that the expression of PDCD4 was significantly reduced in glioma cells compared with normal cells. When PDCD4 was overexpressed in glioma cells, the proliferation rate and invasive capability of the cells greatly decreased, suggesting that PDCD4 functions as a tumor suppressor in this cell type...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28070051/-prognostic-value-of-lncrna-hotair-expression-in-%C3%A2-patients-with-cancer-a-meta-analysis
#14
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
#15
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...
February 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
#16
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
#17
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
#18
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
#19
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
#20
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
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