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Polymorphism of Fc Gamma Receptor TypeⅢ in Han Patients with Systemic Lupus Erythematosus from Hunan Province

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF DERMATOLOGY
Issue:
4
DOI:
10.3760/j.issn:0412-4030.2002.04.003
Key Word:
红斑狼疮,系统性;受体,IGG;免疫球蛋白同种异型

Abstract: 目的探讨中国湖南汉族SLE患者与FcγRⅢa-158V/F多态性的相关性.方法SLE患者65例,其中狼疮肾炎患者38例,采用多聚酶链反应(PCR)和限制性片段长度多态性分析法(RFLP)检测FcγRⅢa-158V/F基因型,并与60例正常人进行比较.结果①与对照组相比,SLE患者FcγRⅢa-158F/F纯合子基因型显著增高(OR=2.23,χ2=4.69,P=0.03).②与对照组相比,狼疮肾炎患者FcγRⅢa-158F/F纯合子基因型和FcγRⅢa-158F等位基因频率均显著增高(OR=2.67,χ2=5.36,P=0.02;OR=2.00,χ2=4.91,P=0.03).结论SLE患者FcγRⅢa-158F/F纯合子基因型显著增高,狼疮肾炎患者FcγRⅢa-158F/F纯合子基因型和FcγRⅢa-158F等位基因频率均显著增高,提示FcγRⅢa多态性与SLE相关,FcγRⅢa-158F等位基因可能是狼疮肾炎的危险因素.

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