首页> 外文期刊>Clinical immunology: The official journal of the Clinical Immunology Society >Association between early onset and organ manifestations of systemic lupus erythematosus (SLE) and a down-regulating promoter polymorphism in the MBL2 gene.
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Association between early onset and organ manifestations of systemic lupus erythematosus (SLE) and a down-regulating promoter polymorphism in the MBL2 gene.

机译:系统性红斑狼疮(SLE)的早期发作和器官表现与MBL2基因下调的启动子多态性之间的关联。

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摘要

The serum concentration of mannose-binding lectin (MBL) is genetically determined by a series of allelic polymorphisms in the MBL2 gene. Since several polymorphisms of the MBL2 gene have been suggested to be risk locus for systemic lupus erythematosus (SLE), we investigated MBL2 polymorphisms in 315 SLE patients from Hungary and 182 geographically matched healthy controls. Within the group of patients, we found that homozygotes for an MBL2 down-regulating promoter polymorphism at position -221 (YA to XA) (rs7096206) were significantly (p=0.017) younger at diagnosis than the other patients. The frequency of juvenile-onset SLE (
机译:甘露糖结合凝集素(MBL)的血清浓度是通过MBL2基因中的一系列等位基因多态性遗传确定的。由于MBL2基因的几种多态性已被认为是系统性红斑狼疮(SLE)的危险源,我们在匈牙利的315名SLE患者和182名地理匹配的健康对照者中调查了MBL2多态性。在该组患者中,我们发现在-221位(YA至XA)(rs7096206)处MBL2下调启动子多态性的纯合子在诊断时比其他患者年轻(p = 0.017)。与其他患者(5.6%)相比,XA / XA纯合子(<7.4%)中青少年SLE的发生频率(<或= 20岁)特别高。与其余患者相比,XA / XA携带者的皮肤表现(p = 0.003)和胸膜炎/心包炎(p = 0.013)的发生风险明显更高。这些数据表明,MBL可能通过待鉴定的机制在SLE患者中充当疾病调节剂。

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