麦冬醇提物抑制肺癌生长及自噬作用研究

被引:56
作者
袁嘉瑞 [1 ]
汪春飞 [2 ]
宋捷 [2 ]
赵冰洁 [2 ]
李超 [3 ]
田刚 [3 ]
董自波 [3 ]
封亮 [2 ]
贾晓斌 [2 ]
机构
[1] 南京中医药大学附属中西医结合医院
[2] 江苏省中医药研究院国家中医药管理局中药释药系统重点研究室
[3] 江苏济川制药有限公司
关键词
麦冬; 肺癌; 自噬; A549肺癌细胞; Ki67; P53;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
100806 [中药药理学];
摘要
目的评价麦冬醇提物体内外抑制肺癌生长及调控肺癌细胞自噬作用。方法采用C57BL/6小鼠Lewis肺癌模型,观察麦冬醇提物对肿瘤生长的抑制作用。采用Visual Sonics Vevo 2100小动物专用高频彩色超声仪测量C57BL/6小鼠Lewis肺癌肿瘤的体积,称瘤质量,并计算抑瘤率。采用免疫组织化学法和蛋白免疫印迹法检测肺癌组织中Ki67和P53蛋白的表达。采用电镜观察麦冬醇提物诱导A549肺癌细胞自噬,结合RT-PCR和蛋白免疫印迹法检测诱导自噬相关蛋白表达。结果麦冬醇提物对Lewis肺癌小鼠的肿瘤生长具有一定的抑制作用,显著降低Ki67蛋白表达,显著增强P53蛋白表达,并且能诱导A549肺癌细胞产生自噬。结论麦冬醇提物对肺癌具有明显的抑制作用,并能诱导A549肺癌细胞产生自噬,麦冬醇提物的抗肺癌作用可能与其诱导肺癌细胞自噬有关。
引用
收藏
页码:1541 / 1547
页数:7
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