Decay accelerating factor(DAF)is one of the important membrane regulating protein in the complement activating ways. The transgenic pigs for human DAF gene can used for xenotransplatations donors.

衰变加速因子（DAF） 是补体激活途径中的一个重要膜调节蛋白， 转人DAF 基因猪可以作为人器官移植的供体。

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Objective To purify decay accelerating factor (DAF) with biological activity from human erythrocyte membrane.

目的获得纯化并具有生物学活性的人红细胞膜促衰变加速因子。

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