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细胞缺血和缺血后损伤的保护

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摘要 目的研究细胞缺血和缺血后再灌流的损伤机制。方法用中国仓鼠肺细胞株为材料,置于无糖条件下培养12h后,重换含糖培养基继续培养,建立细胞缺血后再灌流的体外模型。结果MTT测定显示:重新灌洗后细胞与正常细胞相比增殖率显著降低(P<0.05),且低于无糖培养20h细胞(P<0.05)。grp75过表达的细胞均比对照细胞有更高的细胞活力(P<0.01)。结论grp75能增加线粒体内相关酶分子的数量和活性,减少受损蛋白毒性,增强细胞对损伤的抵御能力。并对缺糖细胞再灌流有保护作用。
作者 姚滢 高明珠
出处 《江西医学检验》 2003年第5期361-362,340,共3页 Jiangxi Journal of Medical Laboratory Sciences
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