脂联素对子宫内膜癌细胞增殖凋亡的影响Effects of adiponectin on proliferation and apoptosis of endometrial cancer cells
张丽志;温克;刘荣;瞿全新;
摘要(Abstract)：
目的:研究脂联素对子宫内膜癌细胞增殖凋亡的影响及其信号的传导。方法:免疫细胞化学方法及RT-PCR法检测子宫内膜癌Ishikawa3-H-12细胞AdipoR1/R2蛋白及mRNA的表达,不同浓度脂联素(2.5,5,10,20μg/ml)作用子宫内膜癌细胞30min,Western blot检测AMPK磷酸化程度,不同浓度脂联素作用细胞48h及AMPK抑制剂(复合物C)预处理后脂联素再作用48h后,MTT试验及流式细胞仪检测不同处理组细胞的增殖及凋亡。结果:子宫内膜癌Ishikawa3-H-12细胞AdipoR1/R2蛋白呈棕黄色颗粒状表达,并可见AdipoR1/R2基因表达。除2.5μg/ml浓度外,其余浓度组脂联素均显著诱导AMPK磷酸化,不同浓度组AMPK活化差异有统计学意义(F=27.985,P<0.01),脂联素以浓度依赖模式诱导子宫内膜癌细胞AMPK活化。脂联素以浓度依赖模式显著抑制子宫内膜癌细胞增殖(F=13.322,P<0.01),诱导子宫内膜癌细胞凋亡(F=46.826,P<0.01),复合物C可以阻断脂联素诱导的细胞增殖抑制及凋亡。结论:脂联素可能通过影响AMPK信号通路抑制子宫内膜癌细胞增殖,促进凋亡。
关键词(KeyWords)： 子宫内膜肿瘤;脂联素;AMP激酶;增殖;凋亡
基金项目(Foundation):
作者(Authors): 张丽志;温克;刘荣;瞿全新;
DOI: 10.13283/j.cnki.xdfckjz.2010.07.022
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