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GLCCI1 single nucleotide polymorphisms in pediatric nephrotic syndrome.


ABSTRACT: Empiric steroid therapy is the first-line therapy for pediatric nephrotic syndrome, but treatment response is variable. There are few predictors of steroid-responsiveness, although evidence for genetic factors does exist. Single nucleotide polymorphisms (SNPs) have been recently identified in the promoter region of glucocorticoid-induced transcript 1 gene (GLCCI1) which affect steroid-responsiveness in asthmatic patients. Independently, GLCCI1 was identified as a podocyte protein, the loss of which disrupts the function of the glomerular filtration barrier. We therefore examined whether SNPs associated with the steroid-responsive expression of GLCCI1 might predict steroid-responsiveness in nephrotic syndrome.A cohort of 211 pediatric patients with nephrotic syndrome and 102 controls were genotyped; among the cases, 117 were initial steroid responders, while 94 did not respond to oral steroids. No statistically significant differences were noted among the groups, although there was a trend based on the comparison of the small subgroups of steroid-responsive and non-responsive patients with biopsy-proven minimal change disease.While larger cohorts are needed to ascertain the possibility of a small effect of GLCCI1 SNPs on the steroid-responsiveness of nephrotic syndrome, the GLCCI1 SNPs associated with steroid-responsiveness in asthmatic patients are unlikely to have a clinically actionable impact in pediatric nephrotic syndrome.

SUBMITTER: Cheong HI 

PROVIDER: S-EPMC3408784 | biostudies-literature | 2012 Sep

REPOSITORIES: biostudies-literature

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GLCCI1 single nucleotide polymorphisms in pediatric nephrotic syndrome.

Cheong Hae Il HI   Kang Hee Gyung HG   Schlondorff Johannes J  

Pediatric nephrology (Berlin, Germany) 20120604 9


<h4>Background</h4>Empiric steroid therapy is the first-line therapy for pediatric nephrotic syndrome, but treatment response is variable. There are few predictors of steroid-responsiveness, although evidence for genetic factors does exist. Single nucleotide polymorphisms (SNPs) have been recently identified in the promoter region of glucocorticoid-induced transcript 1 gene (GLCCI1) which affect steroid-responsiveness in asthmatic patients. Independently, GLCCI1 was identified as a podocyte prot  ...[more]

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