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Effect of sulindac on apoptosis and related gene expression profile of human colon cancer cells
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- Author:
- No author available
- Journal Title:
- WORLD CHINESE JOURNAL OF DIGESTOLOGY
- Issue:
- 25
- DOI:
- 10.3969/j.issn.1009-3079.2008.25.007
- Key Word:
- 结肠癌;舒林酸;基因芯片;流式细胞术
Abstract： 目的:观察舒林酸对人结肠癌LOVO细胞株凋亡的影响,以及舒林酸作用后的该细胞基因表达谱改变.方法:应用透射电镜,流式细胞仪观察舒林酸作用48 h、72 h对LOVO细胞凋亡的影响;基因芯片法检测舒林酸作用前后LOVO细胞的差异表达基因.结果:经舒林酸处理后细胞有典型的凋亡小体形成:经舒林酸0.6、0.9、1.2 mmo1/L作用后,细胞凋亡率与对照组比较明显升高(48h:4.2±1.04,4.26±0.28,7.51±2.09 vs 1.81±0.9l:72 h:6.21±0.56,7.48±1.45,10.40±1.30 vs 2.06±1.43:均P<0.05).与含有17101个cDNA的基因芯片杂交.筛选出差异表达基因1O13条,其中178条为凋亡相关基因(表达上调82条,下调96条),占所有差异表达基因的17.87%.结论:舒林酸具有诱导LOVO细胞发生凋亡的作用.上调或下调某些凋亡相关基因的表达可能是其诱导凋亡的分子机制之一.
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