独活寄生汤调控对大鼠椎间盘软骨细胞Wnt/β-catenin信号通路的影响

被引:23
作者
刘伯龄 [1 ]
陈齐勇 [1 ]
付长龙 [2 ]
刘少强 [1 ]
叶小伟 [1 ]
梁清 [1 ]
叶锦霞 [2 ]
李西海 [2 ]
机构
[1] 厦门大学附属福州第二医院
[2] 福建中医药大学中西医结合研究院
关键词
椎间盘退变性疾病; 椎间盘软骨细胞; 独活寄生汤; Wnt/β-catenin信号通路; 大鼠;
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:从Wnt/β-catenin信号通路探讨独活寄生汤水提物对大鼠椎间盘退变软骨细胞功能的影响。方法:(1)用水提加热回流法制备独活寄生汤水提物成分;(2)选取4周龄健康雄性SD大鼠30只,采用机械-酶消化法分离大鼠椎间盘软骨组织,建立软骨细胞体外培养体系并进行鉴定;(3)RT-PCR、We stern blot法分别检测经DKK-1抑制剂干预及(或)经白细胞介素-1β诱导的椎间盘软骨细胞Wnt4、GSK-3β、β-catenin mRNA与蛋白含量的表达。结果:(1)椎间盘软骨细胞经Ⅱ型胶原法染色后,阳性对照组胞浆区域浸染为棕黄色;(2)RT-PCR、Western blot检测结果示,与正常组比较,模型组Wnt4、GSK-3β、β-catenin mRNA与蛋白含量表达显著升高(P<0.01);与模型组比较,独活寄生汤水提物组(100,200,400μg·mL-1)的Wnt4、GSK-3β、β-catenin mRNA与蛋白含量表达显著降低(P<0.01或P<0.05),其中以200μg·mL-1组的表达量最低(P<0.01)。结论:独活寄生汤水提物组可通过调控Wnt/β-catenin信号通路,下调大鼠椎间盘退变关节软骨中Wnt4、GSK-3β、β-catenin mRNA与蛋白含量表达,从而延缓椎间盘软骨细胞退变。
引用
收藏
页码:5 / 9+22 +22
页数:6
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