人参皂苷Rg3调控ERK通路抑制Lewis小鼠肺癌生长的研究附视频

被引:9
作者
董莉真
吴志敏
朱泽
李光明
机构
[1] 天津医科大学病原生物学教研室
关键词
人参皂苷Rg3; ERK; Dusp6; Lewis肺癌; 小鼠;
D O I
暂无
中图分类号
R734.2 [肺肿瘤];
学科分类号
100117 [系统生物医学];
摘要
目的:通过人参皂苷Rg3对Lewis肺癌小鼠模型及其细胞模型的抑制研究,探讨ERK信号通路及相关基因在抗肿瘤中的作用。方法:建立Lewis肺癌小鼠荷瘤动物模型,通过口饲法给予定量人参皂苷,连续3周,处死动物后,比较各组荷瘤小鼠肿瘤体积。含药动物血清作用于Lewis肺癌细胞,MTT法检测各组细胞抑制效率。Realtime-PCR法检测荷瘤鼠Dusp6、Bax、Bcl-2基因表达变化,Western blot法检测荷瘤鼠ERK、p-ERK蛋白表达变化。结果:人参皂苷Rg3对Lewis肺癌细胞及荷瘤小鼠的肿瘤生长均有明显抑制作用(P<0.01)。Western blot显示ERK在Rg3处理组中的表达明显比对照组低,Realtime-PCR结果显示,在动物肿瘤标本中,Dusp6、Bax基因药物处理组比对照组高表达(P<0.01),Bcl-2基因药物处理组比对照组低表达(P<0.01)。结论:人参皂苷Rg3在Lewis肺癌体内外模型中具有一定的肿瘤抑制效果,ERK信号通路及Dusp6基因与Rg3的抑制作用有关,Rg3诱导的细胞凋亡也参与了抗肿瘤的作用。
引用
收藏
页码:271 / 274
页数:4
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