Association of Megsin gene polymorphism with IgA nephropathy risk

Zhou, Tian-Biao; Mo, Xiaoneng; Kou, Qiuye; Jiang, Zongpei; Xiong, Mengran

doi:10.3109/10799893.2014.936461

Cited by 1 publication

(1 citation statement)

References 14 publications

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“…In subsequent studies, involvement of genetic variations of MEGSIN in IgAN progression was demonstrated in Chinese populations [43,44]. A recent meta-analysis on seven reports focusing on genetic variations in MEGSIN showed a genetic association between MEGSIN variants and risk of IgAN in an Asian population [45]. …”

Section: Genetic Studies Of Iganmentioning

confidence: 99%

The Genetics of IgA Nephropathy: An Overview from China

Zhu

Zhang²

2015

Kidney Dis

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Background: IgA nephropathy (IgAN) is the most common type of primary glomerulonephritis worldwide. Highly variable data for disease prevalence and reports of familial clustering suggest the involvement of genetic factors in IgAN. As China is an area with a high prevalence of IgAN, Chinese scholars have made a considerable effort to reveal the underlying genetic architecture of IgAN. Summary: In this review, we summarize recent achievements in the genetic studies of IgAN, focusing mainly on studies undertaken in China. Early association studies followed a population-based design and focused on a single variant or single gene. Subsequently, family-based designs and genetic interactions applied by Chinese scholars revealed an association of variants in MEGSIN and glycosyltransferase genes with IgAN. Recently, genome-wide association studies (GWAS) have been used to identify multiple susceptibility loci for IgAN, and they have, for the most part, been validated in Chinese populations. Key Messages: More efforts should be made to explore the underlying genetic mechanisms of GWAS-identified variants. In future studies in IgAN, the application of a systems genetics approach would be helpful and productive. Facts from East and West: The reported prevalence of IgAN is higher in Asia than in Europe and North America. However, differences in use of biopsy for the diagnosis of IgAN should be taken into account in analyzing data from both East and West. In Europe, IgAN affects men more frequently than women; this is not the case in Asia. Familial IgAN has been more frequently reported in Europe than in Asia. Within Europe, familial IgAN is more evident in southern than in northern populations. Changes in the pattern of serum IgA1 O-glycosylation is a common finding in IgAN patients in the East and West. SNPs within the gene coding for the enzyme C1GALT1 have been reported in Chinese and European patients. However, there is no evidence for a role of gene polymorphism of the C1GALT1 chaperone cosmc in Europeans. Genetic variants in the HLA gene family have been observed in populations from the East and West. Associations between IgAN and variants of the TAP1/PSMB and DEFA genes were observed in Asian but not in Western patients. Association with the angiotensin-converting enzyme gene was seen only in Asian patients.

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Section: Genetic Studies Of Iganmentioning

confidence: 99%