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Shanshan Sun, Yansheng Wu, Wenyu Guo, Feng Yu, Lingping Kong, Yu Ren, Yu Wang, Xiaofeng Yao, Chao Jing, Chao Zhang, Mingyang Liu, Yuqing Zhang, Minghui Zhao, Zhaoqing Li, Chuanqiang Wu, Yu Qiao, Jingxuan Yang, Xudong Wang, Lun Zhang, Min Li, Xuan Zhou
PURPOSE: Phosphotidylinositol-3-kinase (PI3K)and signal transducers and activators of transcription 3 (STAT3) are frequently activated in cancer progression. However, little is known about the underlying mechanisms by which PI3K and STAT3 regulate HNSCC growth. The lncRNA HOX transcript antisense RNA (HOTAIR) was found to modulate the progression of head and neck squamous cell cancer (HNSCC). In this study, we attempted to establish the correlation of PI3K-STAT3-HOTAIR signaling with the progression of HNSCC and its sensitivity towards platinum-based and targeted anti-EGFR combination therapy...
March 14, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Shuping Peng, Lihua Cao, Shiwei He, Yancheng Zhong, Haotian Ma, Yanru Zhang, Cijun Shuai
Bone regeneration is very important for the recovery of some diseases including osteoporosis and bone fracture trauma. It is a multiple-step- and multiple-gene-involved complex process, including the matrix secretion and calcium mineralization by osteoblasts differentiated from mesenchymal stem cells (MSCs) and the absorption of calcium and phosphorus by osteoclasts differentiated from hematopoietic stem cells. Long noncoding RNAs (lncRNAs) are a family of transcripts longer than 200 nt without or with very low protein-coding potential...
2018: Stem Cells International
Z Sun, X Y Wu, C L Wu
HOTAIR has been reported to be associated with development and metastasis in different types of cancer. This meta- analysis collected all relevant articles and explored the correlation of HOTAIR with lymph node metastasis (LNM) and distant metastasis (DM). A literature collection was conducted by searching PubMed, Web of Science, Google Scholar and Cochrane Library (up to Sep 11, 2016). The odds ratio (OR) with 95% confidence interval (95% CI) was calculated to assess the association with strength. Nineteen studies were included in this study, with a total of 1874 patients...
2018: Neoplasma
Yun Lin, Zhihong Fang, Zhijuan Lin, Zhifeng Li, Jintao Zhao, Yiming Luo, Bing Xu
OBJECTIVES: Multiple studies have shown that the expression level of Homeobox (HOX) transcript antisense RNA (HOTAIR) has a correlation with the diagnosis and prognosis of acute leukemia (AL) and lymphoma. The prognostic significance of HOTAIR on AL and lymphoma has been controversial. Our study thus was performed to further reveal its prognostic value in leukemia and lymphoma. METHODS: By literature searching in some common electronic databases, five studies covering a number of 531 patients were included in this meta-analysis...
March 7, 2018: Hematology (Amsterdam, Netherlands)
Ling Min, Xiyan Mu, An Tong, Yanping Qian, Chen Ling, Tao Yi, Xia Zhao
Objectives: This work aims to explore whether HOX transcript antisense intergenic RNA (HOTAIR) polymorphisms are associated with cancer susceptibility. Materials and methods: A comprehensive search was conducted for literature published from January 2007 to July 2017. The pooled odds ratios (ORs) and the corresponding 95% CIs were calculated using the Revman 5.2 software. Eighteen articles of 36 case-control studies were enrolled including six HOTAIR polymorphisms and 10 cancer types...
2018: OncoTargets and Therapy
Wenyan Zhao, Donghua Geng, Shuqiang Li, Zhaofu Chen, Ming Sun
To study the regulatory effect of lncRNA HOTAIR/miR-20a-5p/HMGA2 axis on breast cancer (BC) cell growth, cell mobility, invasiveness, and apoptosis. The microarray data of lncRNAs and mRNAs with differential expression in BC tissues were analyzed in the Cancer Genome Atlas (TCGA) database. LncRNA HOX transcript antisense RNA (lncRNA HOTAIR) expression in BC was assessed by qRT-PCR. Cell viability was confirmed using MTT and colony formation assay. Cell apoptosis was analyzed by TdT-mediated dUTP nick-end labeling (TUNEL) assay...
February 23, 2018: Cancer Medicine
Yan Yang, Caiyu Jiang, Yang Yang, Lu Guo, Jiang Huang, Xingren Liu, Chi Wu, Jun Zou
Drug resistance is an important factor leading to the recurrence and metastasis of Non-Small Cell Lung Cancer (NSCLC). Long non-coding RNAs (LncRNAs) play important roles in drug resistance of tumor cells. The aim of our study was to investigate the mechanism of LncRNA-HOTAIR in regulating drug resistance of NSCLC cells. Our data indicated that HOTAIR was overexpressed in NSCLC cell lines. Silencing of HOTAIR decreased cell proliferation and increased apoptosis of NSCLC cells (A549). Besides that, HOTAIR shRNA transfection suppressed drug resistance of A549 cells to Crizotinib by more effectively inhibiting cell viability and promoting apoptosis compared with HOTAIR scramble group...
February 19, 2018: Biochemical and Biophysical Research Communications
Elżbieta Pawłowska, Joanna Szczepanska, Janusz Blasiak
HOTAIR (HOX transcript antisense RNA) plays a critical role in chromatin dynamics through the interaction with histone modifiers resulting in transcriptional gene silencing. The promoter of the HOTAIR gene contains multiple estrogen response elements (EREs) and is transcriptionally activated by estradiol in estrogen receptor-positive breast cancer cells. HOTAIR competes with BRCA1, a critical protein in breast cancer and is a critical regulator of genes involved in epithelial-to-mesenchymal transition. It mediates an oncogenic action of c-Myc, essential for breast carcinogenesis...
November 3, 2017: International Journal of Molecular Sciences
Yuanshun Liu, Hua Jiang, Hongbin Zhou, Xiwang Ying, Zhehua Wang, Yang Yang, Wulin Xu, Xujun He, Yaqing Li
Secondary resistance is a major limitation in the efficacy of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor treatment of lung cancer. Previous studies have shown that expression of the long non-coding RNA HOX transcript antisense RNA (HOTAIR) is upregulated in lung cancer, which is correlated with metastasis and poor prognosis. However, the precise role of HOTAIR and its effects on gefitinib resistance in human lung adenocarcinoma are not known. To address this issue, in the present study we established a gefitinib-resistant (R)PC-9 human lung adenocarcinoma cell line and examined cell viability with the 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium assay...
March 2018: Oncology Letters
Yun-Xiao Zhou, Chuan Wang, Li-Wei Mao, Yan-Li Wang, Li-Qun Xia, Wei Zhao, Jie Shen, Jun Chen
Background LncRNA homeobox (HOX) transcript antisense intergenic RNA (HOTAIR) has been confirmed to involve in the tumorigenic progression of endometrial carcinoma (EC). However, the molecular mechanism of HOTAIR in EC are not fully elucidated. Methods The expression of HOTAIR and miR-646 in human EC tissues was determined by qRT-PCR. The effect of miR-646 on EC cells was assessed by the cell viability, migration and invasion using CCK-8 assays and transwell assays. RIP assays and RNA pull-down assays were performed to explore the interaction between HOTAIR and miR-646...
February 21, 2018: American Journal of Physiology. Cell Physiology
Juan Li, Zhigang Cui, Hang Li, Xiaoting Lv, Min Gao, Zitai Yang, Yanhong Bi, Baosen Zhou, Zhihua Yin
BACKGROUND: An increasing number of publications are drawing attention to the associations between six common polymorphisms in HOX transcript anti-sense RNA (HOTAIR) and the risk of cancers, while these results have been controversial and inconsistent. We conducted an up-to-date meta-analysis to pool eligible studies and to further explore the possible relationships between HOTAIR polymorphisms (rs920778, rs7958904, rs12826786, 4,759,314, rs874945, and rs1899663) and cancer risk. METHODS: A systematic retrieval was conducted up to 1 July 2017 in the PubMed, Web of Science, and CNKI databases...
February 20, 2018: Environmental Health and Preventive Medicine
B Wu, J Liu, B Wang, X Liao, Z Cui, N Ding
OBJECTIVE: More and more evidence has shown that the critical functions of long non-coding RNA (lncRNA) polymorphism in the carcinogenicity mechanism of a variety of cancers. The association between lncRNA HOX transcript antisense intergenic RNA (HOTAIR) polymorphism and the risk of head and neck squamous cell carcinoma (HNSCC) in Chinese population has not been reported. To investigated the effects of HOTAIR polymorphism on cancer susceptibility, the influence of HOTAIR variants on the risk of HNSCC was analyzed in this study...
February 2018: European Review for Medical and Pharmacological Sciences
Siwei Liu, Huajiang Lei, Fangyuan Luo, Yilin Li, Lan Xie
This study aimed at investigating the biological functions of long non-coding RNAs (lncRNAs) hox transcript antisense intergenic RNA (HOTAIR) in resistant ovarian cancer cells, exploring the regulation effect of HOTAIR on HOXA7, and investigating their influence on the chemosensitivity of ovarian cancer cells. Quantitative real-time polymerase chain reaction (qRT-PCR) was applied for the verification of HOTAIR expression in resistant and sensitive groups. How HOTAIR downregulation affected cell proliferation, migration and invasion, and apoptosis were determined using the MTT assay and the colony formation assay, the Transwell assay and flow cytometry analysis, respectively...
February 19, 2018: Biological Chemistry
Yun Zhang, Yu Zhou, Tian Xu, Wei Tian, Chong Yang, Xiaoxiao Wang, Shan Zhong, Qin Ran, Hongji Yang, Shikai Zhu
HOX transcript antisense intergenic RNA has been reported to serve as an important prognostic biomarker in several types of cancers. However, the clinical value of HOX transcript antisense intergenic RNA in digestive cancers remains unclear. Therefore, we tried to investigate the clinical role of expression of HOX transcript antisense intergenic RNA as a prognostic indicator in digestive cancers by a meta-analysis. Literature collection was performed by searching the PubMed, Embase, Web of Science, and Cochrane Library databases (up to October 7, 2017)...
January 1, 2018: Technology in Cancer Research & Treatment
Pritha Dasgupta, Priyanka Kulkarni, Shahana Majid, Shahryari Varahram, Yutaka Hashimoto, Nadeem S Bhat, Marisa Shiina, Guoren Deng, Sharanjot Saini, Z Laura Tabatabai, Soichiro Yamamura, Yuichiro Tanaka, Rajvir Dahiya
This study aims to investigate the role of miR-203-HOTAIR interaction in the suppression of renal cell carcinoma (RCC). We employed series of in vitro assays such as proliferation, invasion, migration and colony formation along with in vivo tumor xenograft model. Profiling of miR-203 and HOTAIR expression revealed that miR-203 was significantly under-expressed whereas HOTAIR was overexpressed in RCC cell-lines and clinical specimens compared to normal cell line and tissue. Both miR-203 and HOTAIR expression significantly distinguished malignant from normal tissues and significantly correlated with clinicopathological characteristics of patients...
February 13, 2018: Molecular Cancer Therapeutics
Ana Isabel Oliveira, Ana Xavier-Magalhães, Catarina Moreira-Barbosa, Hugo Magalhães, Rui Henrique, Carmen Jerónimo, Bruno M Costa
AIM: Evaluate the impact of the single nucleotide polymorphisms rs920778 and rs12826786 in the long noncoding RNA HOTAIR in the susceptibility and prognosis of prostate cancer (PCa) patients. PATIENTS & METHODS: HOTAIR single nucleotide polymorphisms were genotyped by restriction fragment length polymorphism in 151 PCa cases and 180 cancer-free controls. Odds ratio, 95% CIs and prognostic significance were calculated. RESULTS: Our data showed no statistically significant associations between HOTAIR polymorphic variants in rs920778 and rs12826786 and PCa susceptibility...
February 13, 2018: Biomarkers in Medicine
Yuxiang Lin, Wenhui Guo, Neng Li, Fangmeng Fu, Songping Lin, Chuan Wang
Hox transcript antisense intergenic RNA (HOTAIR) is a well-known long non-coding RNA (lncRNA) which participates in tumorigenesis and progress of multiple cancers. However, the associations among polymorphisms on HOTAIR, breast cancer (BC) susceptibility and clinical outcomes have remained obscure. In this case-control study, we assessed the interaction between three lncRNA HOTAIR single nucleotide polymorphisms (SNPs) (rs1899663, rs4759314 and rs7958904) on the risk and clinical outcome of breast cancer in a Chinese Han population...
January 9, 2018: Oncotarget
Meng Xue, Lu-Yi Chen, Wei-Jia Wang, Ting-Ting Su, Liu-Hong Shi, Lan Wang, Wen Zhang, Jian-Min Si, Liang-Jing Wang, Shu-Jie Chen
BACKGROUND: Long non-coding RNAs (LncRNAs) exert their functions mainly by binding to their corresponding proteins. Runt-related transcription factor 3 (Runx3) is an important transcription factor that functions as a tumor suppressor in gastric cancer. Whether there is an interplay between LncRNAs and Runx3 remains unclear. METHODS: RPISeq was applied to screen the LncRNAs that potentially bind to Runx3. The interaction between LncRNA HOX antisense intergenic RNA (HOTAIR) and Runx3 was validated by RNA Immunoprecipitation and RNA pull-down assays...
February 7, 2018: Gastric Cancer
Te Liu, Hu Zhang, Jiajia Zheng, Jiajia Lin, Yongyi Huang, Jiulin Chen, Zhihua Yu, Lihe Guo, Weidong Pan, Ying Xiong, Chuan Chen
In this study, a bioinformatics analysis and luciferase reporter assay revealed that microRNA-141 could silence the expression of lncRNA-HOTAIR by binding to specific sites on lncRNA-HOTAIR. We used superparamagnetic iron oxide nanoparticles (SPIONs) to mediate the high expression of microRNA-141 (SPIONs@miR-141) in human amniotic epithelial stem cells (HuAESCs), which was followed by the induction of the differentiation of HuAESCs into dopaminergic neuron-like cells (iDNLCs). qPCR, western blot, immunofluorescence staining and HPLC all suggested that SPION-mediated overexpression of miR-141 could promote an increased expression of brain-derived neurotrophic factor (BDNF), DAT and 5-TH in HuAESC-derived iDNLCs...
February 7, 2018: Journal of Cellular and Molecular Medicine
Peng Zheng, Ze Yin, Ying Wu, Yao Xu, Ying Luo, Tong-Cun Zhang
BACKGROUND: Long non-coding RNAs (lncRNAs) have emerged as a new and crucial layer of gene regulation in recent years and regulate various biological processes such as carcinogenesis and metastasis. LncRNA HOTAIR, an oncogenic lncRNA, is involved in human tumorigenesis and dysregulated in cervical cancer. Megakaryoblastic leukemia 1 (MKL1), as a transcription coactivity factor, involved in cancer metastasis and cell differentiation. However, the precise mechanism of biological roles of HOTAIR and MKL1 in cancer cells remain unclear...
February 1, 2018: Cell Communication and Signaling: CCS
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