The effect of miR-496 on eIF3h in lung invasive adenocarcinoma
This study explores the correlation between microRNA-496 (miR-496) expression and eukaryotic translation initiation factor 3H (eIF3h) expression in lung invasive adenocarcinoma. A total of 71 patients with lung adenocarcinoma were included in the study. The tumor tissue samples were collected together with the normal lung tissue samples that were acquired more than 2 cm away from the edge of the tumor). Expression of miR-496 was detected using real-time fluorescence quantitative PCR. Expression of Ki67 and Bcl-2 in lung adenocarcinoma was detected with Western blotting, and expression of eIF3hwas detected with immunohistochemistry. Expression of miR-496 was significantly lower in the tumor than in normal lung tissue (P<0.05). miR-496 expression was significantly decreased in the tumor samples from the patients with large tumor maximum diameter, pleural recidivism, lymph node metastasis, and TNM stage III + IV, compared to the samples from the patients with small tumor diameter, no pleural recidivism, no lymph node metastasis, and TNM stage I + II (P<0.05). No significant difference in miR-496 expression was identified among the groups of different sex, age, and tumor differentiation degree (P>0.05). Low expression of miR-496 correlated with a shorter survival time of the patients (P<0.05). Moreover, miR-496 expression was negatively correlated with Ki67, Bcl-2 and eIF3h expression. We speculate that and miR-496 has the potential to regulates eIF3h expression, and low expression of miR-496 in lung adenocarcinoma may be related to the occurrence and development of the tumor. Mir-496 may be an independent prognostic factor in lung adenocarcinoma.
Copyright (c) 2021 Ji-Chun
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