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Selenomethionine alters the protein expression profile of human gastric carcinoma AGS cells
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- Author:
- No author available
- Journal Title:
- WORLD CHINESE JOURNAL OF DIGESTOLOGY
- Issue:
- 16
- DOI:
- 10.3969/j.issn.1009-3079.2010.16.012
- Key Word:
- 硒代甲硫氨酸;胃癌细胞;双向凝胶电泳
Abstract： 目的:分析硒代甲硫氨酸对胃癌AGS细胞蛋白表达谱的影响.方法:应用Hoechst荧光染色法及流式细胞术观察硒代甲硫氨酸对胃癌AGS细胞凋亡的影响;应用双向凝胶电泳技术分析硒代甲硫氨酸对胃癌AGS细胞蛋白表达的影响.结果:胃癌AGS细胞在含硒代甲硫氨酸培养液中培养5 d后,部分细胞的细胞核内出现凋亡小体,含硒代甲硫氨酸培养液中AGS细胞的凋亡率显著高于正常培养液组(53.98%±9.88% vs 15.76%±9.03%,P＜0.01).双向电泳技术筛选出12个表达差异的蛋白.结论:硒代甲硫氨酸可以影响胃癌AGS细胞蛋白的表达.这些差异表达的蛋白可能与胃癌细胞凋亡有关.
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