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Irish Child Health Database - Peer Reviewed Papers

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  • Resequencing of the characterised CTGF gene to identify novel or known variants, and analysis of their association with diabetic nephropathy

    Published in:

    J Hum Genet, Vol: 51, Page: 383-6

    Publication Date:

    2006

    Aims & Objectives:

    The aim of this study was to undertake genomic analysis on the connective tissue growth factor gene, which has been implicated in the pathogenesis of diabetic nephropathy

    Abstract:

    Connective tissue growth factor (CTGF) has been implicated in the pathogenesis of diabetic nephropathy; however, to date there have been no reports of genomic analysis on this gene. The CTGF gene was comprehensively screened using WAVE (dHPLC) technology and direct capillary sequencing. Single nucleotide polymorphisms (SNPs) with minor allele frequencies greater than 5% were further investigated in an Irish, type 1 diabetic population. The case-control collection consisted of 272 diabetics with nephropathy and 367 non-nephropathic diabetic controls who were genotyped using TaqMan and Pyrosequencing technologies. Ten SNPs were identified, of which seven were novel. Four SNPs are located in the promoter, one in exon 2, two in intron 2 and three in the 3' untranslated region. Based on in silico analysis, three SNPs, c.-650G>C, c.-484T>C and c.247G>C, are potentially functional. Subsequent statistical analysis for common SNPs, c.-650G>C, c.-420InsT, c.-220G>C, c.289+94T>C and c.289+98T>C, in the case-control study revealed no significant differences in genotype or allele frequencies. CTGF has emerged as a biological candidate gene for diabetic nephropathy; however, no significant association was detected between common CTGF SNPs and nephropathy in this population.

    Authors:

    A. J. McKnight; D. A. Savage; C. C. Patterson; H. R. Brady; A. P. Maxwell

    Study Type:

    Study Papers » Case Control Study » Analytical Studies

    Categories:

    connective tissue growth factor gene; -diabetic nephropathy

    International Classification:

    Endocrine, nutritional and metabolic diseases - diabetic nephropathy

    Keywords:


    Geography:

    Northern Ireland (Northern Ireland)