丹参酮ⅡA磺酸钠对舒尼替尼所致H9c2细胞损伤及斑马鱼心脏毒性的保护作用

被引:11
作者
黄晓慧
崔国祯
王亮
李铭源
机构
[1] 澳门大学中华医药研究院中药质量研究国家重点实验室
关键词
丹参酮ⅡA磺酸钠; 心脏保护; 舒尼替尼; 心脏毒性;
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:探讨丹参酮ⅡA磺酸钠(Sodium tanshinoneⅡA sulfonate,STS)对抗肿瘤药物舒尼替尼(Sunitinib malate,Sut)在H9c2细胞和斑马鱼引起的心肌损伤的保护作用。方法:H9c2细胞经药物处理8h后,采用MTT法检测细胞的存活率;用钙离子荧光探针Fura-2 AM观察细胞内游离钙离子的变化;选择发育正常的48hpf(hour post fertilization)斑马鱼胚胎,经药物处理48 h后观察96 hpf斑马鱼心脏形态和功能的变化。结果:10μM舒尼替尼使细胞的活性降低,胞内Ca2+浓度升高;丹参酮ⅡA磺酸钠共同给药组使细胞活性显著提高,10μM时效果最好;同时其也可以抑制胞内Ca2+的升高。在斑马鱼模型中,5μM舒尼替尼心率降低,心包水肿形成,SV-BA/体长的比值增加;100μM丹参酮ⅡA磺酸钠共同给药组对上述损伤均有保护作用。结论:丹参酮ⅡA磺酸钠在一定程度上能拮抗舒尼替尼引起的心脏毒性,其作用机制可能与钙通路有关。
引用
收藏
页码:37 / 40
页数:4
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