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LncRNAs expression signatures of hepatocellular carcinoma revealed by microarray.


ABSTRACT: To analyze the expression profiles of long non-coding RNAs (lncRNAs) in hepatocellular carcinoma.Hepatocellular carcinoma (HCC) tissues and matched adjacent non-tumor (NT) liver tissues were collected from 29 patients with HCC, immediately after liver resection, between March 2011 and July 2013. The diagnosis of HCC was made based on histological examination. Differentially expressed lncRNAs between HCC and NT tissues were revealed through microarray-based lncRNAs expression profiling. Further, quantification of selected lncRNAs was performed using quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR).Six hundred and fifty-nine lncRNAs were differentially expressed between HCC and NT tissues, of which five [TCONS_00018278, AK093543, D16366, ENST00000501583, NR_002819 (MALAT1)] were selected for validation. Four of them were significantly downregulated in HCC tissues compared with NT tissues (P = 0.012, 0.045, 0.000 and 0.000, respectively), and the expression level of MALAT1 showed no significant difference (P = 0.114).This study identified a set of lncRNAs differentially expressed in HCC tissues and provided useful information for exploring potential therapeutic targets and diagnostic biomarkers of this cancer.

SUBMITTER: Liu WT 

PROVIDER: S-EPMC4033470 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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LncRNAs expression signatures of hepatocellular carcinoma revealed by microarray.

Liu Wu-Tao WT   Lu Xin X   Tang Guang-Hua GH   Ren Jin-Jun JJ   Liao Wen-Jun WJ   Ge Peng-Lei PL   Huang Jie-Fu JF  

World journal of gastroenterology 20140501 20


<h4>Aim</h4>To analyze the expression profiles of long non-coding RNAs (lncRNAs) in hepatocellular carcinoma.<h4>Methods</h4>Hepatocellular carcinoma (HCC) tissues and matched adjacent non-tumor (NT) liver tissues were collected from 29 patients with HCC, immediately after liver resection, between March 2011 and July 2013. The diagnosis of HCC was made based on histological examination. Differentially expressed lncRNAs between HCC and NT tissues were revealed through microarray-based lncRNAs exp  ...[more]

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