大蒜素对脑胶质瘤细胞U87细胞侵袭能力的影响及其机制

被引:18
作者
蔡青 [1 ]
秦怀洲 [1 ]
陈昆仑 [2 ]
机构
[1] 第四军医大学唐都医院神经外科
[2] 西安交通大学医学部第二附属医院普外科
关键词
脑胶质瘤; 大蒜素; 侵袭; MMPs; p38; U87细胞;
D O I
暂无
中图分类号
R285 [中药药理学];
学科分类号
100806 [中药药理学];
摘要
目的检测大蒜素对脑胶质瘤细胞U87侵袭能力的影响及其可能机制。方法利用MTT法检测大蒜素对U87细胞增殖能力的抑制作用。利用Transwell小室检测大蒜素对U87细胞侵袭能力的抑制作用。采用Real-time PCR和Western blotting方法检测大蒜素对U87细胞中MMP-2和MMP-9表达水平的影响。采用Western blotting的方法检测大蒜素对p38磷酸化水平的影响。结果大蒜素能够明显抑制U87细胞的增殖(浓度>8μg/mL,P<0.05)。且大蒜素(浓度<8μg/mL)能够明显抑制U87细胞的侵袭能力(P<0.05)。在大蒜素作用24h后,U87细胞中MMP-2和MMP-9的表达水平明显降低(P<0.05)。p38的磷酸化水平在大蒜素作用后明显降低(P<0.05)。结论大蒜素能够抑制脑胶质瘤细胞U87的侵袭能力,其机制可能是通过对p38信号的通路活性的调节进而降低MMP-2和MMP-9的表达来实现的,提示大蒜素在脑胶质瘤的治疗中具有潜在的应用价值。
引用
收藏
页码:271 / 274+284 +284
页数:5
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