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Assessment of Toll-like receptor-4 gene polymorphism on pyelonephritis and renal scar

I Akil1, F Ozkinay, H Onay

  • 1Department of Pediatric Nephrology, Celal Bayar University, Izmir, Turkey. ipek.akil@bayar.edu.tr

International Journal of Immunogenetics
|February 8, 2012
PubMed

Insights

The Toll-like receptor 4 (TLR4) c.896A

Area of Science:

  • Genetics
  • Pediatrics
  • Immunology

Background:

  • Urinary tract infections (UTIs) are common in children, with potential for severe outcomes like renal scarring.
  • Toll-like receptor 4 (TLR4) plays a crucial role in innate immunity and inflammatory responses to bacterial pathogens, common causes of UTIs.
  • Genetic variations in TLR4 may influence an individual's susceptibility and response to infections.

Purpose of the Study:

  • To investigate the association between the TLR4 c.896A
  • To evaluate the impact of this polymorphism on the clinical severity of UTIs, specifically pyelonephritis (PN) and renal scar formation.

Main Methods:

  • A case-control study involving 112 children diagnosed with UTI and 93 healthy controls.
  • Genotyping was performed to analyze the TLR4 c.896A
  • Patients were categorized based on UTI severity: pyelonephritis with scars, pyelonephritis without scars, and lower UTI.

Main Results:

  • The TLR4 c.896A
  • The polymorphism frequency was significantly higher in patients with upper UTI (pyelonephritis) compared to those with lower UTI (P=0.041).
  • The frequency of the TLR4 c.896A

Conclusions:

  • The TLR4 c.896A
  • This genetic variation may serve as a predictive marker for UTI severity and sequelae in pediatric populations.
  • Further large-scale studies are recommended to confirm these findings and elucidate the underlying mechanisms.

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