芹菜素对小鼠T淋巴细胞体外增殖、细胞周期和凋亡的影响

被引:7
作者
梁兆端
曾耀英
黄秀艳
贺芳
机构
[1] 暨南大学生命科学技术学院组织移植与免疫中心
关键词
芹菜素; T淋巴细胞; 增殖; 周期; 凋亡;
D O I
10.13423/j.cnki.cjcmi.004635
中图分类号
R285 [中药药理学];
学科分类号
1008 ;
摘要
目的:研究芹菜素(AP)对小鼠T细胞体外增殖、细胞周期和凋亡的影响。方法:无菌分离小鼠淋巴结和胸腺细胞,MTT法检测不同浓度(25、50、100、150、200μmol/L)的AP对多克隆刺激剂刀豆蛋白A(ConA)诱导的T细胞增殖的影响,PI染色结合流式细胞术(FCM)分析细胞周期的分布,Annexin V-FITC/PI双染色结合FCM检测AP对T细胞凋亡的影响,以及AP与地塞米松(DEX)共同作用下T细胞凋亡的变化,并用MTT法检测该药物浓度对T细胞的毒性作用。结果:25~200μmol/LAP对T细胞无药物毒性作用,并明显抑制ConA诱导的T细胞增殖(P<0·01),使细胞周期停滞在G0/G1期,且呈剂量依赖关系;各浓度AP对T细胞凋亡均具有抑制作用,并明显抑制DEX诱导的T细胞凋亡(P<0·01),且呈剂量依赖关系。结论:在一定浓度范围内,AP明显抑制ConA诱导的小鼠T细胞体外增殖,使细胞周期停滞G0/G1期,并明显抑制T细胞凋亡。
引用
收藏
页码:337 / 340
页数:4
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