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miRNA-31靶向基质金属蛋白酶-3基因对宫颈鳞癌侵袭力的影响 被引量:5

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摘要 目的探讨miRNA(miR)-31对宫颈鳞癌siHa细胞系侵袭性的影响及其可能存在的作用靶点。方法采用逆转录聚合酶链反应(RT-PCR)及Western印迹对比宫颈鳞癌组织、正常宫颈组织及siHa细胞系中miR-31、基质金属蛋白酶(MMP)-3mRNA及蛋白表达情况。通过mimics上调siHa细胞miR-31表达后,运用transwell小室研究siHa细胞袭性变化。结果宫颈鳞癌组织较正常宫颈组织miR-31表达明显下调,差异达14.64倍(P<0.01)。上调siHa细胞miR-31表达后,MMP-3蛋白表达显著降低(P<0.05),siHa细胞侵袭能力明显下降(P<0.05)。结论 miR-31在宫颈鳞癌细胞表达下降,miR-31能抑制siH a癌细胞侵袭的能力,而MMP-3是miR-31下游作用靶点。
出处 《中国老年学杂志》 CAS 北大核心 2018年第9期2210-2212,共3页 Chinese Journal of Gerontology
基金 荆州市科技局基金(2014043)
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