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https://www.readbyqxmd.com/read/28351094/overexpression-of-lncrna-hotair-is-associated-with-poor-prognosis-in-thyroid-carcinoma-a-study-based-on-tcga-and-geo-data
#1
Hong-Mei Li, Hong Yang, Dong-Yue Wen, Yi-Huan Luo, Chun-Yan Liang, Deng-Hua Pan, Wei Ma, Gang Chen, Yun He, Jun-Qiang Chen
The role of long non-coding RNA (lncRNA) HOX transcript antisense RNA (HOTAIR) in thyroid carcinoma (TC) remains unclear. The current study was aimed to assess the clinical value of HOTAIR expression levels in TC based on publically available data and to evaluate its potential signaling pathways. The expression data of HOTAIR and clinical information concerning TC were downloaded from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO), respectively. Furthermore, 3 online biological databases, Starbase, Cbioportal, and Multi Experiment Matrix, were used to identify HOTAIR-related genes in TC...
March 28, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28342449/a-systematic-review-and-meta-analysis-of-the-association-between-long-non-coding-rna-polymorphisms-and-cancer-risk
#2
REVIEW
Zhi Lv, Qian Xu, Yuan Yuan
It has been suggested that long non-coding RNA (lncRNA) gene polymorphisms are associated with cancer risk. In this article, we conducted a systematic review related to studies on the association between lncRNA single-nucleotide polymorphisms (SNPs) and the overall risk of cancer. A total 17 SNPs in four common lncRNA genes were included in the meta-analysis. In the lncRNA H19, the rs2735971 A/G, rs2839698C/T, and rs3024270 G/C polymorphisms, but not rs217727C/T, were correlated with overall cancer risk. The results also suggested that other SNPs were correlated with overall cancer risk, namely, two in HOTAIR (HOX transcript antisense RNA: rs920778C/T and rs7958904 G/C) and two in PRNCR1 (rs1016343C/T and rs16901946 A/G)...
January 2017: Mutation Research
https://www.readbyqxmd.com/read/28342055/the-analysis-of-lncrna-hotair-rs12826786-c-t-polymorphism-and-gastric-cancer-susceptibility-in-a-turkish-population-lack-of-any-association-in-a-hospital-based-case-control-study
#3
Y Ülger, E Dadaş, B Yalinbaş Kaya, A T Sümbül, A Genç, S Bayram
BACKGROUND: The HOX transcript antisense intergenic RNA (HOTAIR), a well-known long noncoding RNA (lncRNA), has been widely identified to participate in pathogenesis of multiple cancers. An aberrant up-regulation and biological functions have been observed in gastric cancer (GC). A common single nucleotide polymorphism (SNP) (rs12826786 C>T) at the HOTAIR has been reported to influence HOTAIR expression, but its association with GC has yet to be investigated in Turkish population. AIM: The aim of the present study was to investigate whether HOTAIR rs12826786 C>T polymorphism could be involved in the risk of GC susceptibility in Turkish population...
March 24, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28316060/hotair-functions-as-a-competing-endogenous-rna-to-regulate-pten-expression-by-inhibiting-mir-19-in-cardiac-hypertrophy
#4
Yanjun Lai, Shuai He, Liming Ma, Hong Lin, Biyun Ren, Jing Ma, Xinyu Zhu, Shifang Zhuang
Sustained cardiac hypertrophy (CH) is related to a variety of physiological as well as pathological stimuli and eventually increases the risk of heart failure. HOTAIR has been identified as a competing endogenous RNA in multiple human biological processes. Whether lncRNA-HOTAIR is involved in the progress of CH and how it works still remain unknown. Herein, we found that HOTAIR was down-regulated, while miR-19 was up-regulated in both heart tissues from TAC-operated mice in vivo and cultural cardiomyocytes treated with Ang-II in vitro by real-time PCR...
March 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28314879/a-study-on-associations-of-single-nucleotide-polymorphisms-within-h19-and-hox-transcript-antisense-rna-hotair-with-genetic-susceptibility-to-rheumatoid-arthritis-in-a-chinese-population
#5
Jian-Zhe Zhou, Jing-Jing Li, Dong-Jin Hua, Si-Chao Huang, Qing-Qing Sun, Hua Huang, Xia-Fei Xin, Han Cen
OBJECTIVE: The purpose of our study was to examine whether the H19 rs2839698, rs217727, and HOX transcript antisense RNA (HOTAIR) rs12826786 polymorphisms were associated with genetic susceptibility to rheumatoid arthritis (RA) in a Chinese population. METHODS: A total of 777 participants were enrolled in this study, including 328 RA patients and 449 healthy controls. The H19 rs2839698, rs217727, and HOTAIR rs12826786 polymorphisms were detected by the ligase detection reaction-polymerase chain reaction (LDR-PCR) technology...
March 17, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28260072/the-expression-and-significance-of-hox-transcript-antisense-rna-and-epithelial-mesenchymal-transition-related-factors-in-esophageal-squamous-cell-carcinoma
#6
Chunli Da, Yiyi Zhan, Yu Li, Yao Tan, Ruiguang Li, Ruozheng Wang
The present study investigated the correlation and significance of HOX transcript antisense RNA (HOTAIR) and epithelial-mesenchymal transition (EMT)-related factors in the occurrence and metastasis of esophageal squamous cell cancer (ESCC) progression. The mRNA and protein expression levels of HOTAIR and EMT‑related factors were detected in 96 ESCC and para‑carcinoma tissues using reverse transcription‑quantitative polymerase chain reaction and western blot analysis. The expression levels of these factors, and the correlation between these factors and clinicopathological characteristics were subsequently analyzed...
April 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28259691/hotair-genetic-variants-are-associated-with-prostate-cancer-and-benign-prostate-hyperplasia-in-an-iranian-population
#7
Mohammad Taheri, Mohsen Habibi, Rezvan Noroozi, Azadeh Rakhshan, Shaghayegh Sarrafzadeh, Arezou Sayad, Mir Davood Omrani, Soudeh Ghafouri-Fard
Prostate cancer and benign prostate hyperplasia (BPH) are heterogeneous disorders with a wide array of clinical presentations and high prevalence among men. Several protein coding genes as well as non-coding genes have been shown to contribute in prostate cancer and BPH risk. Among non-coding genes whose contribution in tumorigenesis has been identified is HOX transcript antisense RNA (HOTAIR). In the present study we aimed at identification of the associations between three HOTAIR polymorphisms (rs12826786, rs1899663 and rs4759314) and risk of prostate cancer and BPH by the means of tetra-primer ARMS-PCR in a population of 128 Iranian prostate cancer patients, 143 BPH patients and 250 normal male controls...
May 20, 2017: Gene
https://www.readbyqxmd.com/read/28251884/mir-101-3p-suppresses-hox-transcript-antisense-rna-hotair-induced-proliferation-and-invasion-through-directly-targeting-srf-in-gastric-carcinoma-cells
#8
Xiaoyu Wu, Jin Zhou, Zhenfeng Wu, Che Chen, Jiayun Liu, Guannan Wu, Jing Zhai, Fukun Liu, Gang Li
MiR-101-3p was identified as a tumor suppressor in several cancers, but its exact role in gastric adenocarcinoma is still largely unknown. In this study, we found that, compared with the RGM-1 human normal gastric epithelial cells, miR-101-3p was significantly downregulated in all the 6 human gastric adenocarcinoma cell lines, including BGC-823, MNK-45, MGC-803, SGC-7901, AGS and HGC-27. Overexpression miR-101-3p suppressed both the proliferation and invasion of AGS gastric adenocarcinoma cells and knockdown of miR-101-3p displayed an opposite effect...
March 2, 2017: Oncology Research
https://www.readbyqxmd.com/read/28241429/current-insights-into-long-non-coding-rnas-lncrnas-in-prostate-cancer
#9
REVIEW
Maria A Smolle, Thomas Bauernhofer, Karl Pummer, George A Calin, Martin Pichler
The importance of long non-coding RNAs (lncRNAs) in the pathogenesis of various malignancies has been uncovered over the last few years. Their dysregulation often contributes to or is a result of tumour progression. In prostate cancer, the most common malignancy in men, lncRNAs can promote castration resistance, cell proliferation, invasion, and metastatic spread. Expression patterns of lncRNAs often change during tumour progression; their expression levels may constantly rise (e.g., HOX transcript antisense RNA, HOTAIR), or steadily decrease (e...
February 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28235488/insight-into-hotair-structural-features-and-functions-as-landing-pads-for-transcription-regulation-proteins
#10
Hong Wang, Hewei Zheng, Chenguang Wang, Xiaoyan Lu, Xueying Zhao, Xia Li
LncRNAs fulfill a wide range of regulatory functions at almost every process of gene expression. While derived from secondary structural features, lncRNAs may function as landing pads for transcription factors (TFs). In this paper, we detected the global structural landscape of 20,338 lncRNAs by utilizing a free energy minimization (MFE) algorithm, and identified the interactions between lncRNAs and TFs to analyze molecular association induced by the lncRNA structure. The accessibility analysis of full sequences as well as potential TF-binding fragments shows a large percentage of structural flanking sequence around the TF binding sites...
April 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28223190/association-of-tagsnp-in-lncrna-hotair-with-susceptibility-to-noise-induced-hearing-loss-in-a-chinese-population
#11
Boshen Wang, Enmin Ding, Huanxi Shen, Jianfeng Wang, Kai Sun, Shi Chen, Lei Han, Hengdong Zhang, Baoli Zhu, Ming Xu
BACKGROUND: Noise-induced hearing loss (NIHL) is a multifactorial disease, and dysregulation of oxidative stress is universally acknowledged as one crucial pathogenic factor for this disease. Recently studies have found the LncRNA HOTAIR is involved in the alteration of oxidative stress level, cell proliferation, cell cycle progression, and apoptosis. Considering the effects of lncRNA HOTAIR in cellular oxidative stress, we sought to investigate the influence of lncRNA HOTAIR variants on the risk of NIHL...
February 18, 2017: Hearing Research
https://www.readbyqxmd.com/read/28209170/lincrnafezf1-as1-represses-p21-expression-to-promote-gastric-cancer-proliferation-through-lsd1-mediated-h3k4me2-demethylation
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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