大鼠胚胎成纤维细胞与胰岛共培养的实验研究

Acta Anatomica Sinica(2007)

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Abstract
目的 探讨大鼠胚胎成纤维细胞(EFCs)与胰岛共培养对胰岛活性与功能的影响.方法 制备SD大鼠胚胎饲养层;分离SD大鼠胰岛.实验分为单纯胰岛培养组、EFCs与胰岛共培养组和EFCs单纯培养组.胰岛活性以AO/PI、DTZ染色、线粒体活性检测,以胰岛素释放试验评价其功能.结果 共培养组中,AO/PI双染显示胰岛活性高于95%,MTT显示共培养3、5、7、14d胰岛细胞吸光度明显高于单纯培养组(P<0.05或P<0.01),刺激指数SI也明显高于对照组.结论 新鲜分离的胰岛与EFCs饲养层共培养可明显改善胰岛功能.
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Key words
Embryonic fibroblast cells(EFCs),Islet culture,Islet transplant,Rat
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