Heat shock protein 72 (HSPA1B) gene polymorphism and Toll-like receptor (TLR) 4 mutation are associated with increased risk of urinary tract infection in children.

Abstract:

:Innate immunity and urinary tract response play a central role in the development of urinary tract infection (UTI). Heat shock protein (HSP) 72 and Toll-like receptor (TLR) 4 are among the key elements of innate defence mechanisms. This study assesses the role of HSPA1B A(1267)G and TLR4 A(896)G polymorphisms using allele-specific polymerase chain reaction in 103 patients treated with recurrent UTI. Allelic prevalence was compared with reference values of 235 healthy controls. Clinical data were also statistically evaluated. TLR4 (896)AG genotype and TLR4 (896)G allele had also higher prevalence in UTI patients versus controls (p = 0.031 and 0.041, respectively). Our data indicates a relationship between the carrier status of HSPA1B (1267)G and TLR4 (896)G alleles and the development of recurrent UTI in childhood independently of other renal abnormalities, while raising further questions about the clinical and therapeutic relevance of these polymorphisms in everyday pediatric nephrology.

journal_name

Pediatr Res

journal_title

Pediatric research

authors

Karoly E,Fekete A,Banki NF,Szebeni B,Vannay A,Szabo AJ,Tulassay T,Reusz GS

doi

10.1203/pdr.0b013e318030d1f4

subject

Has Abstract

pub_date

2007-03-01 00:00:00

pages

371-4

issue

3

eissn

0031-3998

issn

1530-0447

pii

00006450-200703000-00022

journal_volume

61

pub_type

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