本文总结了近年来NK 细胞研究的新进展;在分子、基因水平上概述了NK 的来源,NK 原始细胞、前体细胞的表型,促进NK 细胞成熟的细胞因子,NK 细胞的走向,NK 细胞多分子相互作用,NK 细胞可能具有的受体,NK 细胞参与的同种识别及其耐受状态和NK 识别中MHC Ⅰ类抗原分子抗原结合深糟状构型的调节作用等。 This article summarizes the recent advances in NK cell research; at the molecular and genetic level, the sources of NK, the NK primitive cells, the phenotype of precursor cells, the cytokines that promote NK cell maturation, the direction of NK cells, the appearance of NK cells Multi-molecular interactions, NK cells may have receptors, NK cells involved in the same recognition and tolerance status and recognition of MHC class I antigen molecules antigen-binding deep-shaped configuration regulation.