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激活素A及其受体在肝切除小鼠肝组织表达研究

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摘要 目的:探讨激活素A(activin A)与急性肝损伤的关系。方法:建立小鼠部分肝切除模型,通过RT-PCR方法检测激活素A及其受体ActRIIA、ActRIIB在损伤后肝组织的表达情况。结果:BALB/c小鼠切除一个肝小叶的1/3后,血清转氨酶明显升高,表明肝切除损伤模型建立成功。RT-PCR检测结果显示肝切除后肝组织ActRIIA、ActR IIB表达量均有所增加,但以激活素A升高最明显,同时肝组织匀浆NO水平升高,肝脏指数明显增加。结论:激活素A具有促进NO分泌,但对肝细胞再生却有抑制作用,肝切除后肝组织NO增加可能由升高的激活素A诱导产生,NO又可进一步促进肝组织炎症性肿胀,进而影响肝组织修复过程。
作者 闫枫
出处 《北方药学》 2013年第5期62-62,共1页 Journal of North Pharmacy
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