MiR-650 represses high-risk non-metastatic colorectal cancer progression via inhibition of AKT2/GSK3β/E-cadherin pathway.

MiR-650 represses high-risk non-metastatic colorectal cancer progression via inhibition of AKT2/GSK3β/E-cadherin pathway.
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MiR-650 通过抑制 AKT2/GSK3β/E-钙粘蛋白途径抑制高风险非转移性结直肠癌进展

DOI:
10.18632/oncotarget.17743
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发表时间:
2017-07-25
期刊:
影响因子:
--
通讯作者:
Wang S
Wang S
中科院分区:
其他
文献类型:
--
作者:
Zhou C;Cui F;Li J;Wang D;Wei Y;Wu Y;Wang J;Zhu H;Wang S

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尽管非转移性结直肠癌的5年生存率很高,但仍有约10%的I、II期患者发展为转移性结直肠癌,并最终在切除后死亡。目前,临床上尚无有效的生物标志物来预测非转移性结直肠癌的预后。在这项研究中,我们确定miR-650作为预测预后的生物标志物。我们观察到miR-650在肿瘤组织中的表达与总生存期呈正相关。MIR-650在体内外均能抑制细胞的生长和侵袭。此外,miR-650靶向AKT2并抑制AKT通路(AKT2/GSK3β/E-钙粘素)的激活。从而诱导癌细胞中E-钙粘附素和β-连环素的易位。我们的结果强调了miR-650通过抑制AKT2/GSK3AKT2/GSK3β/E-钙粘素通路作为非转移性结直肠癌预后预测生物标志物和治疗靶点的潜力。
Although 5-year survival rate of non-metastatic colorectal cancer (CRC) is high, about 10% of patients in stage I and II still develop into metastatic CRC and eventually die after resection. Currently, there is no effective biomarker for predicting the prognosis of non-metastatic CRC in clinical practice. In this study, we identified miR-650 as a biomarker for prognosis prediction. We observed that the expression of miR-650 in tumor tissues had a positive association with overall survival. MiR-650 inhibited cell growth and invasion in vitro and in vivo. Furthermore, miR-650 targeted AKT2 and repressed the activation of the AKT pathway (AKT2/GSK3β/E-cadherin). Thus it induced the translocation of E-cadherin and β-catenin in cancer cells. Our results highlight the potential of miR-650 as a prognostic prediction biomarker and therapeutic target in non-metastatic CRC via inhibition of the AKT2/GSK3β/E-cadherin pathway.
来自FFPE组织的高miR-21表达与结肠癌中辅助化疗的生存不良和对辅助化疗的反应有关。
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