期刊文献+

STAT3-siRNA对胃癌细胞株SGC-7901增殖与凋亡的影响 被引量:11

Silencing of STAT3 by RNAi inhibits the growth of SGC-7901 cells and induces apoptosis in vitro
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摘要 目的:探讨siRNA沉默STAT3基因表达对胃癌细胞的生长抑制作用。方法:用已构建pGCsi-lencerH1/STAT3siRNA重组质粒,转染胃癌细胞SGC-7901,采用Western blotting、RT-PCR技术观察重组质粒对STAT3基因表达的影响;用MTT法观察重组质粒对胃癌细胞的生长抑制作用;用流式细胞术和TUNEL法检测重组质粒诱导的胃癌细胞凋亡。结果:用pGCsilencerH1/STAT3-siRNA重组质粒转染人胃癌细胞,Western blotting及RT-PCR结果证实重组质粒在蛋白及mRNA水平分别显著地抑制STAT3基因表达,STAT3-siRNA抑制率分别为85.43%及80.75%,与对照组相比,有显著差异(P<0.01)。MTT和流式细胞术结果证明上述重组质粒可显著抑制胃癌细胞的生长(抑制率为63%)并诱导胃癌细胞凋亡。结论:pGCsilencerH1/STAT3-siRNA可抑制STAT3在胃癌细胞中表达,并抑制胃癌细胞生长,促进细胞凋亡。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2010年第2期393-395,共3页 Chinese Journal of Pathophysiology
基金 国际科技合作重点资助项目(No.2004DFB02000) 国家自然科学基金资助项目(No.30801354)
关键词 胃肿瘤 RNA干扰 STAT3 细胞凋亡 Stomach neoplasms RNA interference STAT 3 Apoptosis
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参考文献10

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