二烯丙基二硫抑制人胃癌SGC7901细胞侵袭及相关机制

被引:32
作者
谷彬燕 [1 ]
向姝霖 [2 ]
庄英帜 [1 ]
姜浩 [1 ]
夏红 [2 ]
苏琦 [2 ]
机构
[1] 南华大学附属第一医院肿瘤防治中心
[2] 南华大学肿瘤研究所
关键词
胃癌; SGC7901细胞; 二烯丙基二硫; 迁移; 侵袭; MMT-9; TIMP-3;
D O I
暂无
中图分类号
R735.2 [胃肿瘤];
学科分类号
100112 [医学生物化学与分子生物学];
摘要
目的探讨二烯丙基二硫(diallyl disulfide,DADS)对人胃癌SGC7901细胞迁移和侵袭的影响及其分子机制。方法划痕愈合和侵袭实验检测DADS对SGC7901细胞迁移与侵袭能力的影响;RT-PCR、Western blot检测DADS作用SGC7901细胞后MMP-9和TIMP-3表达。结果划痕实验结果显示,15 mg.L-1DADS处理SGC7901细胞12 h、24 h后,较未处理组划痕距离明显增加(P<0.05),表明DADS可抑制SGC7901细胞迁移。Transwell实验结果显示,15 mg.L-1DADS处理SGC7901细胞12 h与24 h后,穿膜细胞数分别为(31.9±0.46)、(23.5±0.52)个,较未处理组的(51.6±0.68)、(41.3±0.72)个明显减少(P<0.05),表明DADS可抑制SGC7901细胞侵袭能力。RT-PCR结果显示,15 mg.L-1DADS处理SGC7901细胞12 h与24 h后,MMP-9 mRNA表达明显下调(P<0.05),而TIMP-3 mRNA表达明显上调(P<0.05)。Western blot结果显示,15 mg.L-1DADS处理SGC7901细胞12 h、24 h、48 h后,MMP-9蛋白表达明显降低(P<0.05),而TIMP-3蛋白表达明显增加(P<0.05)。结论 DADS可抑制人胃癌SGC7901细胞迁移与侵袭能力,其机制可能与下调MMP-9和上调TIMP-3有关。
引用
收藏
页码:213 / 217
页数:5
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