基于PI3K/AKT/FoxO1信号通路探究补阳还五汤对痛风模型大鼠滑膜组织细胞凋亡及炎症反应的影响

被引:22
作者
王峰
张安兵
机构
[1] 湖北文理学院附属医院襄阳市中心医院风湿免疫科
关键词
补阳还五汤; 痛风; 大鼠; 滑膜细胞; 凋亡; 炎症; 磷脂酰肌醇3-激酶/蛋白激酶B/叉头框转录因子O亚族1;
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 基于磷脂酰肌醇3-激酶(PI3K)/蛋白激酶B(AKT)/叉头框转录因子O亚族1(FoxO1)信号通路探究补阳还五汤对痛风模型大鼠滑膜组织细胞凋亡及炎症反应的影响。方法 大鼠分为对照组(灌胃生理盐水)、痛风组(建模+灌胃生理盐水)、西药组(建模+灌胃20 mg/kg苯溴马隆)、补阳还五汤低、高剂量组(建模+灌胃6.5、26.0 g/kg补阳还五汤)和通路激活组(建模+灌胃26.0 g/kg补阳还五汤+腹腔注射0.02 mg/kg PI3K活化物(740Y-P))。测量大鼠关节肿胀度,测定血清尿酸、肿瘤坏死因子-α(TNF-α)、白细胞介素-1β(IL-1β)水平,对滑膜组织进行HE染色及TUNEL检测,测定滑膜组织中p-PI3K/PI3K、pAKT/AKT、p-FoxO1/FoxO1、Caspase-3蛋白表达水平。结果 与对照组相比,痛风组大鼠关节肿胀度及血清尿酸、TNF-α、IL-1β水平及滑膜组织中p-PI3K/PI3K、p-AKT/AKT、p-FoxO1/FoxO1蛋白表达水平显著升高(P<0.05),滑膜组织中细胞凋亡率及Caspase-3蛋白表达水平显著降低(P<0.05);与痛风组相比,西药组、补阳还五汤低、高剂量组大鼠关节肿胀度及血清尿酸、TNF-α、IL-1β水平及滑膜组织中p-PI3K/PI3K、p-AKT/AKT、p-FoxO1/FoxO1蛋白表达水平显著降低(P<0.05),滑膜组织中细胞凋亡率及Caspase-3蛋白表达水平显著升高(P<0.05);与补阳还五汤高剂量组相比,通路激活组大鼠关节肿胀度及血清尿酸、TNF-α、IL-1β水平及滑膜组织中p-PI3K/PI3K、p-AKT/AKT、p-FoxO1/FoxO1蛋白表达水平显著升高(P<0.05),滑膜组织中细胞凋亡率及Caspase-3蛋白表达水平显著降低(P<0.05)。结论 补阳还五汤可能通过抑制PI3K/AKT/FoxO1信号通路激活,抑制炎症反应,进而促进滑膜组织细胞凋亡,改善急性痛风性关节炎大鼠症状。
引用
收藏
页码:612 / 619
页数:8
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