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新生儿在生理上很多方面和成人不同,免疫系统也是一样。例如关于B细胞抗体产生的能力或T细胞对抗体产生系统的抑制能力等,有很多报导论述了新生儿和成人的异同。关于Natural Killer活性(以下简称NK活性)也做了很多研究。和其它免疫功能一样,NK活性某些方面也和成人不同。进一步把新生儿期的免疫功能和胎儿期联系起来观察,则对免疫系统的发生分化和性质的研究提供重要的资料。从这一观点出发就现在对新生儿、胎儿的NK细胞的看法加以归纳和讨论。
Neonates are different in many aspects of physiology from adults, and immune systems are the same. For example, about the ability of B cell antibody production or T cell inhibition of antibody production system, there are many reports about the similarities and differences between neonates and adults. There have also been many studies on Natural Killer activity (hereinafter referred to as NK activity). Like other immune functions, certain aspects of NK activity are also different from those in adults. Further observation of the immune function during the neonatal period in association with the fetal stage provides important information on the development and differentiation of the immune system and its properties. From this point of view on the current neonatal, fetal NK cells were summarized and discussed.