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HLA-G与Th1/Th2型细胞因子平衡

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摘要 HLA-G属非经典的MHC-I类分子,具有限制性的组织分布及有限的多态性,主要表达于绒毛膜外细胞滋养层细胞及某些肿瘤细胞,与免疫耐受关系密切。在正常妊娠、移植后移植物存活时间长者及恶性肿瘤Th1/Th2型细胞因子平衡向Th2漂移,而异常妊娠、移植后移植物存活时间短及良性肿瘤则向Th1漂移。已有大量研究证实,HLA-G的表达与Th1/Th2型细胞因子平衡向Th2偏离关系密切,但其确切关系及机制以及HLA-G是否能诱导免疫耐受仍有待进一步的研究。
作者 杨惠军
出处 《湖南师范大学学报(医学版)》 2003年第4期59-62,74,共5页 Journal of Hunan Normal University(Medical Sciences)
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