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lncRNA HCC

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https://www.readbyqxmd.com/read/27905400/lncbrm-initiates-yap1-signalling-activation-to-drive-self-renewal-of-liver-cancer-stem-cells
#1
Pingping Zhu, Yanying Wang, Jiayi Wu, Guanling Huang, Benyu Liu, Buqing Ye, Ying Du, Guangxia Gao, Yong Tian, Lei He, Zusen Fan
Liver cancer stem cells (CSCs) may contribute to the high rate of recurrence and heterogeneity of hepatocellular carcinoma (HCC). However, the biology of hepatic CSCs remains largely undefined. Through analysis of transcriptome microarray data, we identify a long noncoding RNA (lncRNA) called lncBRM, which is highly expressed in liver CSCs and HCC tumours. LncBRM is required for the self-renewal maintenance of liver CSCs and tumour initiation. In liver CSCs, lncBRM associates with BRM to initiate the BRG1/BRM switch and the BRG1-embedded BAF complex triggers activation of YAP1 signalling...
December 1, 2016: Nature Communications
https://www.readbyqxmd.com/read/27899259/overexpression-of-the-long-non-coding-rna-spry4-it1-promotes-tumor-cell-proliferation-and-invasion-by-activating-ezh2-in-hepatocellular-carcinoma
#2
Meng Zhou, Xiao-Yu Zhang, Xi Yu
BACKGROUND: Increasing evidences have demonstrated that the dysregulation of long non-coding RNAs (lncRNAs) may act as an important role in tumor progression. The long non-coding RNA SPRY4 intronic transcript 1 (SPRY4-IT1) has been reported in some cancer including regulating cell growth, differentiation, apoptosis, and cancer progression. However, the expression and function of SPRY4-IT1 in the progression of hepatocellular carcinoma (HCC) remain largely unknown. METHODS: The lncRNA SPRY4-IT1 was detected by quantitative real time PCR (qRT-PCR) in HCC cell lines, CCK8 cell proliferation and transwell invasion assays were performed to detect the GC cell proliferation and invasion abilities...
November 26, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27898409/down-regulation-of-lncrna-dgcr5-correlates-with-poor-prognosis-in-hepatocellular-carcinoma
#3
Ruyi Huang, Xiaochen Wang, Wenjie Zhang, Guangyan Zhangyuan, Kangpeng Jin, Weiwei Yu, Yu Xie, Xiaoliang Xu, Hai Wang, Beicheng Sun
BACKGROUND/AIMS: Long non-coding RNAs (lncRNAs) have been reported to play pivotal roles in multiple tumors and can act as tumor biomarkers. In this study, we explored the association of the expression of an lncRNA, DGCR5 with clinicopathological features and prognosis in HCC. METHODS: Expression levels of DGCR5 were detected by quantitative real-time PCR (qRT-PCR) and the clinical data was obtained, including basic information, data of clinicopathology and cancer specific survival rate...
November 30, 2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27896271/expression-and-clinical-significance-of-the-novel-long-noncoding-rna-znf674-as1-in-human-hepatocellular-carcinoma
#4
Lufei Zhang, Tianyu He, Yingcai Yan, Yuan Zhang, Xiaohu Zhou, Pengfei Huang, Yang Kong, Minjie Xie, Linshi Zhang, Qiang Sun, Dongkai Zhou, Haiyang Xie, Lin Zhou, Shusen Zheng, Weilin Wang
Long noncoding RNAs (lncRNAs) play crucial roles in cancer occurrence and progression. However, the relationship between the expression levels of lncRNAs and the hepatocellular carcinoma (HCC) process is unclear. The goal of this study was to determine the expression level of ZNF674-AS1, a newly found lncRNA, in HCC and its clinical association. The expression of ZNF674-AS1 in 137 pairs of tumorous and adjacent normal tissues from patients with HCC was detected by quantitative real-time reverse transcription polymerase chain reaction...
2016: BioMed Research International
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
#5
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/27894309/analysis-of-long-noncoding-rna-expression-in-hepatocellular-carcinoma-of-different-viral-etiology
#6
Quan Zhang, Kentaro Matsuura, David E Kleiner, Fausto Zamboni, Harvey J Alter, Patrizia Farci
BACKGROUND: Dysregulation of long noncoding RNA (lncRNA) expression contributes to the pathogenesis of many human diseases, including liver diseases. Several lncRNAs have been reported to play a role in the development of hepatocellular carcinoma (HCC). However, most studies have analyzed lncRNAs only in hepatitis B virus (HBV)-related HCC or in a single group of HCC patients regardless of the viral etiology. METHODS: To investigate whether lncRNAs are differentially expressed in HCC of different viral etiology, we profiled 101 disease-related lncRNAs, including 25 lncRNAs previously associated with HCC, in liver specimens obtained from well-characterized patients with HBV-, hepatitis C virus (HCV)-, or hepatitis D virus (HDV)-associated HCC...
November 28, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27855366/hox-antisense-lincrna-hoxa-as2-promotes-tumorigenesis-of-hepatocellular-carcinoma
#7
Fuqiang Wang, Huili Yang, Zhigang Deng, Yongjie Su, QinLiang Fang, Zhenyu Yin
BACKGROUND: Recent studies reveal that long non-coding RNAs (LncRNAs) play critical roles in the proliferation and migration of human cancer. Previous report has shown that LncRNA HOXA-AS2 was involved in carcinoma processes. However, the expression and biological function of HOXA-AS2 in hepatocellular carcinoma (HCC) are poorly understood. METHODS: Quantitative real-time PCR (qRT-PCR) was performed to detect the expression of HOXA-AS2 in HCC tissues and cell lines...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27822419/lncrna-crnde-promotes-hepatic-carcinoma-cell-proliferation-migration-and-invasion-by-suppressing-mir-384
#8
Zili Chen, Chao Yu, Lei Zhan, Yaozhen Pan, Ling Chen, Chengyi Sun
Studies have found that colorectal neoplasia differentially expressed (CRNDE) is related to cancer development. Herein, we found that the expression of CRNDE was increased in human hepatic carcinoma (HCC) tissues and cell lines. The ROC curve analysis illustrated CRNDE has a significant diagnostic value for HCC. At the same time, CRNDE promotes HCC cell proliferation, migration, and invasion in vitro. Quantitative real-time polymerase chain reaction (PCR) demonstrated that miR-384 was significantly downregulated in HCC tissues...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27773892/the-significance-of-low-levels-of-linc-rp1130-1-expression-in-human-hepatocellular-carcinoma
#9
Chaohui Xiao, Cheng Wang, Sijie Cheng, Chengcai Lai, Peirui Zhang, Zizheng Wang, Tao Zhang, Shaogeng Zhang, Rong Liu
Hepatocellular carcinoma (HCC) is the most common neoplasms. Little progress has been made in the diagnosis and treatment of HCC and its prognosis remains poor. Studies have increasingly found that long non-coding RNA (lncRNA) is involved in the regulation of the occurrence and development of HCC. To investigate the diagnostic and prognostic value of lncRNA in HCC, the current study examined 25 lncRNAs with differing levels of expression (according to the fold change) in microarray databases. Expression of LINC RP1130-1 was found to be markedly down-regulated in 51 HCC tissues compared to matching adjacent non-tumor liver tissues...
November 15, 2016: Bioscience Trends
https://www.readbyqxmd.com/read/27770549/lncrna-meg3-induces-cholestatic-liver-injury-by-interaction-with-ptbp1-to-facilitate-shp-mrna-decay
#10
Li Zhang, Zhihong Yang, Jocelyn Trottier, Olivier Barbier, Li Wang
: Bile acids (BAs) play critical physiological functions in cholesterol homeostasis and deregulation of BA metabolism causes cholestatic liver injury. Maternally expressed gene 3 (MEG3) was recently shown as a potential tumor suppressor, however its basic hepatic function remains elusive. Using RNA pull-down with biotin-labeled sense or anti-sense MEG3RNA followed by mass spectrometry, we identified RNA binding protein polypyrimidine tract-binding protein 1 (PTBP1) as a MEG3 interaction protein and validated their interaction by RNA immunoprecipitation (RIP)...
October 22, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27769059/microarray-analysis-on-the-lncrna-expression-profile-in-male-hepatocelluar-carcinoma-patients-with-chronic-hepatitis-b-virus-infection
#11
Jianjun Niu, Yong Lin, Pingguo Liu, Yiwen Yu, Chenghao Su, Xiaomin Wang
Long non-coding RNAs are involved with development and progression of cancer, and the advance of microarray technology allows the researchers to investigate the complete expression profile of lncRNA in various kinds of sample. We enrolled 5 male primary HCC cases with chronic HBV infection and the HCC and normal tissues have been obtained during the resection surgery. After total RNA extraction, the lncRNA microarray analysis was conducted to determine the lncRNA and mRNA expression signals. 612 lncRNAs and 1,064 mRNAs were significantly up-regulated in HCC tissue while 656 lncRNAs and 1,532 mRNAs were down-regulated in HCC tissues...
October 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27766570/long-noncoding-rna-tcf7-promotes-invasiveness-and-self-renewal-of-human-non-small-cell-lung-cancer-cells
#12
Jinhui Wu, Dongshuang Wang
Lung cancer is the most common solid tumor and the leading cause of cancer-related death worldwide. Non-small cell lung cancer (NSCLC) represents the major histological subtype and accounts for about 80 % cases of lung cancer cases. Recently, lncRNA lncTCF7 was identified, which is highly expressed in hepatocellular carcinoma (HCC) tumors and liver cancer stem cells (CSCs). However, the role of lnTCF7 in NSCLC remains largely unknown. In this study, Gain- and loss-of-function studies demonstrated the critical role of lncTCF7 in promoting invasion and self-renewal in NSCLC cells...
October 20, 2016: Human Cell
https://www.readbyqxmd.com/read/27765630/long-non-coding-rna-linc-cdh4-2-inhibits-the-migration-and-invasion-of-hcc-cells-by-targeting-r-cadherin-pathway
#13
Yunzhen Gao, Gaoxiong Wang, Cuilin Zhang, Minjie Lin, Xiaolong Liu, Yongyi Zeng, Jingfeng Liu
Long non-coding RNAs (LncRNAs) have played very important roles in the malignancy behaviors of hepatocellular carcinoma (HCC). Linc-cdh4-2 (TCONS_00027978) is a novel LncRNA that has been identified in HCC tissues from our previous study. Overexpression of linc-cdh4-2 in HCC cell lines (SK-Hep-1 and Huh7) significantly decreases the migration and invasion abilities of these cells, while knockdown the expression of linc-cdh4-2 significantly increases the migration and invasion abilities. Interestingly, neither the over expression nor the knock down of linc-cdh4-2 could affect the viability and proliferation of HCC cells...
October 17, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27748842/downregulation-of-zeb2-as1-decreased-tumor-growth-and-metastasis-in-hepatocellular-carcinoma
#14
Tian Lan, Lei Chang, Long Wu, Yufeng Yuan
Hepatocellular carcinoma (HCC) remains one of the most common types of cancer worldwide and prognosis remains poor. Previous studies have suggested that long non‑coding RNAs (lncRNAs) may be key regulators of tumor development and progression in HCC. It has been determined that 61‑72% of transcribed regions contain lncRNAs in the antisense orientation (aslncRNAs). However, the function of aslncRNAs in HCC remains to be elucidated. The present study investigated the function of the aslncRNA zinc finger E‑box binding homeobox 2 antisense RNA 1 (ZEB2‑AS1) in 40 HCC tissues and 5 different human HCC cell lines using reverse transcription‑quantitative polymerase chain reaction...
November 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27689326/an-artificial-lncrna-targeting-multiple-mirnas-overcomes-sorafenib-resistance-in-hepatocellular-carcinoma-cells
#15
Shuyao Tang, Gang Tan, Xian Jiang, Peng Han, Bo Zhai, Xuesong Dong, Haiquan Qiao, Hongchi Jiang, Xueying Sun
Sorafenib resistance remains a major obstacle for the effective treatment of hepatocellular carcinoma (HCC), and a number of miRNAs contribute to this resistance. However, the regulatory networks of miRNAs are very complex, thus inhibiting a single miRNA may sequentially activate other compensatory pathways. In the present study, we generated an artificial long non-coding RNA (AlncRNA), which simultaneously targets multiple miRNAs including miR-21, miR-153, miR-216a, miR-217, miR-494 and miR-10a-5p. These miRNAs have been shown to be upregulated in sorafenib-resistant cells and participate in the mechanisms underlying sorafenib resistance...
September 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/27669232/long-noncoding-rna-lnccamta1-promotes-proliferation-and-cancer-stem-cell-like-properties-of-liver-cancer-by-inhibiting-camta1
#16
Li-Juan Ding, Yan Li, Shu-Dong Wang, Xin-Sen Wang, Fang Fang, Wei-Yao Wang, Peng Lv, Dong-Hai Zhao, Feng Wei, Ling Qi
Hepatocellular carcinoma (HCC) is the most common subtype of liver malignancy, and it is characterized by poor prognosis because of cancer stem cell (CSC)-mediated high postsurgical recurrence rates. Thus, targeting CSCs, or HCC cells with CSC-like properties, is an effective strategy for HCC therapy. Here, using long noncoding RNA (lncRNA) microarray analysis, we identified a novel lncRNA termed lncCAMTA1 that is increased in both liver CSCs and HCC. High lncCAMTA1 expression in HCC indicates poor clinical outcome...
2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27667473/long-non-coding-rnas-and-genes-contributing-to-the-generation-of-cancer-stem-cells-in-hepatocellular-carcinoma-identified-by-rna-sequencing-analysis
#17
Liye Cao, Quan Zhang, Shujie Cheng, Zhi Chen, Zhijuan Hua, Jihong Yang, Dan Liu, Na Cui
Cancer stem cells (CSCs) play important roles in cancer initiation, progression and metastasis. The aim of the present study was to identify the potential targets that may contribute to the generation of hepatocellular carcinoma stem cells (HCSCs) from hepatocellular carcinoma (HCC) cells. The RNA sequencing (RNA‑Seq) dataset GSE70537 was downloaded from the Gene Expression Omnibus (GEO) database. Raw RNA sequences were mapped to the GRCh37/hg19 genome based on TopHat and assembled through Cufflinks...
September 22, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27597739/long-non-coding-rna-unigene56159-promotes-epithelial-mesenchymal-transition-by-acting-as-a-cerna-of-mir-140-5p-in-hepatocellular-carcinoma-cells
#18
Jing Lv, Hong-Xia Fan, Xiao-Pei Zhao, Ping Lv, Jing-Yi Fan, Yi Zhang, Min Liu, Hua Tang
HBV infection has been reported to be closely associated with HCC development; however, the underlying mechanisms are unclear. Emerging evidence has indicated that long non-coding RNAs (lncRNAs) play important regulatory roles in the pathogenesis and progression of cancers. To investigate the important role and mechanism of lncRNAs in the progression of HBV-related HCC, we screened lncRNAs in HBV-positive and HBV-negative HCC tissues. We identified a novel lncRNA, lncRNA-Unigene56159, which is highly expressed in HBV-related HCC tissues, and further analysis showed that this lncRNA was induced by HBV in vitro...
September 3, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27585228/role-of-lncrna-activated-by-transforming-growth-factor-beta-in-the-progression-of-hepatitis-c-virus-related-liver-fibrosis
#19
Na Fu, Xuemin Niu, Yang Wang, Huijuan Du, Baoyu Wang, Jinghua Du, Ya Li, Rongqi Wang, Yuguo Zhang, Suxian Zhao, Dianxing Sun, Liang Qiao, Yuemin Nan
Long non-coding RNA (LncRNA)-activated by transforming growth factor-beta (LncRNA-ATB) is a key regulator of transforming growth factor-beta (TGF-β) signaling pathway, and is positively correlated with the development of liver cirrhosis and vascular invasion of hepatocellular carcinoma (HCC). However, the role of LncRNA-ATB in hepatitis C virus (HCV)-related liver fibrosis remains largely unknown. In the present study, we confirmed a high expression level of LncRNA-ATB in the liver tissues and plasma samples of patients with HCV-related hepatic fibrosis, and the plasma level of LncRNA-ATB was significantly correlated with liver fibrosis stages...
August 2016: Discovery Medicine
https://www.readbyqxmd.com/read/27577754/afap1-as1-is-upregulated-and-promotes-esophageal-squamous-cell-carcinoma-cell-proliferation-and-inhibits-cell-apoptosis
#20
Hong-Lei Luo, Ming-de Huang, Jia-Ni Guo, Rui-Hua Fan, Xiao-Tian Xia, Jing-Dong He, Xiao-Fei Chen
Recent findings indicate that long noncoding RNAs (lncRNAs) were dysregulated in many kinds of tumors including esophageal squamous cell carcinoma (ESCC). LncRNA AFAP1-AS1 was found to be upregulated in hepatocellular carcinoma (HCC), lung cancer, colorectal cancer, esophageal adenocarcinoma (EAC), pancreatic ductal adenocarcinoma, and nasopharyngeal carcinoma, while its clinical value and potential function in ESCC are still unknown. Expression of AFAP1-AS1 was measured in 65 ESCC tissues and corresponding noncancerous tissues by quantitative real-time polymerase chain reaction, which revealed that AFAP1-AS1 expression was markedly elevated in ESCC tissues and significantly associated with advanced TNM stage (P = 0...
August 30, 2016: Cancer Medicine
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