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Association between underexpression of microrna-203 and clinicopathological significance in hepatocellular carcinoma tissues.

Abstract：

BACKGROUND:Although recent studies have shown the utility of miR-203 as a cancer-relevant biomarker, the validated clinical significance of miR-203 in HCC remains obscure. The aim of the present study was to evaluate the relationship between miR-203 expression and clinicopathological features in HCC patients. METHODS:MiR-203 expression in 95 formalin-fixed, paraffin embedded (FFPE) HCC tissues and their paired adjacent non-cancerous tissues was evaluated by quantitative reverse transcription polymerase chain reaction (qRT-PCR). Simultaneously, expression of miR-203 and its correlation with a variety of clinicopathological parameters and patient recurrence was analyzed. RESULTS:The relative level of miR-203 was 1.1651 ± 0.70378 in HCC tissues, significantly lower than its expression in the corresponding adjacent non-cancerous liver tissues (2.2408 ± 0.75351, P < 0.001). The area under curve (AUC) of low miR-203 expression to diagnose HCC was 0.85 (95 % CI: 0.796 ~ 0.904, P = 0.027) at a cut-off value 1.99 evaluated by the median expression of miR-203 in all tissues, including HCC and normal liver tissues. Expression of miR-203 was negatively correlated to metastasis (r = -0.254, P = 0.013), clinical tumor nodes metastasis (TNM) stage (r = -0.300, P = 0.003), nm23 expression (r = -0.292, P = 0.004), p21 expression (r = -0.223, P = 0.030), microvessel density (MVD)(r = -0.206, P = 0.045) and was positively correlated to cirrhosis (r = 0.487, P < 0.001). Additionally, the recurrent time of lower miR-203 expression group was 57.949 ± 4.184 months, slightly longer than that in the high expression group (54.682 ± 2.591 months), however, no significant difference was noted (Chi-square = 0.206, P = 0.650). CONCLUSIONS:MiR-203 plays a vital role in the carcinogenesis and progression of HCC, which makes itself as a predictor for the deterioration of HCC. Furthermore, miR-203 may become a new target for molecular therapy in HCC.

journal_name

Cancer Cell Int

journal_title

Cancer cell international

authors

Liu Y,Ren F,Rong M,Luo Y,Dang Y,Chen G

doi

10.1186/s12935-015-0214-0

subject

Has Abstract

pub_date

2015-06-18 00:00:00

pages

issn

1475-2867

pii

214

journal_volume

pub_type

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Association between underexpression of microrna-203 and clinicopathological significance in hepatocellular carcinoma tissues.