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科学通报  2012 

基于微载体技术的生物人工肝研究进展

DOI: 10.1360/972011-854, PP. 1195-1203

Keywords: 生物人工肝,微载体,肝细胞

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Abstract:

在无法进行肝移植的情况下,肝衰竭的发病率和死亡率均较高.人工肝支持系统,特别是生物人工肝,则可促进肝衰竭恢复或作为肝移植的过渡辅助.生物人工肝中含肝细胞的生物反应器可提供生物转化和肝脏的合成功能.所使用的肝细胞既可以为人肝细胞也可以为异种肝细胞(动物源性).病人的血液或血浆循环通过生物反应器,由肝细胞代谢去除毒素并产生所需化学成分后,再返回病人体内.随着人类及猪肝细胞长期培养增殖的成功,以及具有充分生物相容性的微载体的发展,单位体积内培养肝细胞的密度在当前已经可以满足生物人工肝系统的需要.以生长在微载体上的肝细胞填充而成的中空纤维生物反应器已得到广泛使用,在不久的将来,生物人工肝支持系统成为肝衰竭治疗的有效方法具有良好前景.

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