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阻断ERK途径对PTH培育的大鼠系膜细胞分泌纤维连接蛋白的影响 被引量:2

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摘要 目的 探讨阻断蛋白激酶(ERK)途径对甲状旁腺素(PTH)培育大鼠系膜细胞上清的纤维连接蛋白(FN)的影响。方法 采用酶联免疫吸附(ELISA)法观察PTH培育的大鼠系膜细胞的上清液中FN的变化。结果 PTH10^-8mol/L培育的大鼠系膜细胞上清液中FN呈现时间依赖性增加;而ERK酶抑制剂能够明显抑制PⅢ培育的大鼠系膜细胞上清FN的浓度。在一定的范围内呈剂量(5~50μmol/L)以及时间(6~48h)依赖性。结论 ERK途径对PTH培育的大鼠系膜细胞上清液的FN有影响;对探讨慢性肾功能衰竭的高PTH血症对机体的毒性作用,特别对肾小球系膜细胞外基质的形成及硬化的机制可能有一定价值。
出处 《临床肾脏病杂志》 2003年第3期114-116,共3页 Journal Of Clinical Nephrology
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