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Correlation between PPAR Gene Polymorphisms and Primary Nephrotic Syndrome in Children

Jiaping Jin1, Guixia Ding, Huaying Bao

  • 1Department of Nephrology, Nanjing Children's Hospital, Nanjing Medical University, 72 Guangzhou Road, Nanjing, Jiangsu 210008, China.

PPAR Research
|October 11, 2013
PubMed

Insights

Genetic variations in PPAR-γ and PGC-1α influence metabolic factors in children with nephrotic syndrome, potentially impacting disease prognosis. These genetic factors may affect insulin and triglyceride levels in pediatric patients.

Area of Science:

  • Genetics
  • Pediatrics
  • Nephrology

Background:

  • Pediatric primary nephrotic syndrome (PNS) is a chronic condition linked to metabolic and immune issues.
  • Peroxisome proliferator-activated receptor (PPAR) gene variations are implicated in metabolic and kidney diseases.

Purpose of the Study:

  • To investigate the association between specific PPAR polymorphisms and pediatric primary nephrotic syndrome (PNS).
  • To analyze correlations between these polymorphisms and clinical, metabolic, and steroid response indicators in PNS patients.

Main Methods:

  • Compared distributions of PPAR-γ (Pro12Ala, Val290Met), PGC-1α (Gly482Ser), and PPAR-α (Leu162Val) single nucleotide polymorphisms (SNPs) in children with PNS and controls.
  • Assessed correlations with clinical and metabolic markers, including insulin sensitivity and hormone responsiveness.

Main Results:

  • No significant differences in overall polymorphism distributions between PNS cases and controls.
  • PNS patients with PPAR-γ (Pro12Ala) PP genotype showed higher insulin, IgA, HOMA-IR, and lower insulin sensitivity.
  • PGC-1α (Gly482Ser) A allele associated with lower CD8+ T-cells and higher triglycerides and complement C3.

Conclusions:

  • PPAR-γ (Pro12Ala) and PGC-1α (Gly482Ser) SNPs may influence insulin and triglyceride metabolism in pediatric nephrotic syndrome.
  • These genetic variations could be relevant to the prognosis of pediatric primary nephrotic syndrome.

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