[Association study of a functional SNP rs28493229 of ITPKC gene and Kawasaki disease in a Chinese population]

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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
05:53

Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

Published on: June 21, 2018

Qian Peng1, Chang-hui Chen, Qing Wu

  • 1Department of Pediatrics, Sichuan Provincial People's Hospital, Chengdu, Sichuan, People's Republic of China. qian70910@263.net

Zhonghua Yi Xue Yi Chuan Xue Za Zhi = Zhonghua Yixue Yichuanxue Zazhi = Chinese Journal of Medical Genetics
|December 14, 2011
PubMed

Insights

This study found no association between the rs28493229 genetic marker and Kawasaki disease (KD) or coronary artery lesions (CALs) in Chinese children. The C allele of rs28493229 is not a reliable predictor for KD susceptibility or treatment outcomes in this population.

Area of Science:

  • Genetics
  • Pediatrics
  • Immunology

Background:

  • Kawasaki disease (KD) is a leading cause of acquired heart disease in children, characterized by multi-systemic vasculitis.
  • Coronary artery lesions (CALs) are frequent complications of KD, necessitating research into genetic risk factors.
  • A specific genetic variant, the C allele of rs28493229 in the ITPKC gene, was previously linked to KD/CALs in the Japanese population.

Purpose of the Study:

  • To investigate the association between the rs28493229 polymorphism and Kawasaki disease (KD) in a Chinese pediatric population.
  • To determine if this genetic marker is linked to the development of coronary artery lesions (CALs) in KD patients.
  • To evaluate the potential of rs28493229 as a predictor for KD susceptibility, prognosis, and response to intravenous immunoglobulin (IVIG) treatment.

Main Methods:

  • A case-control study involving 206 KD patients and 285 healthy controls.
  • Genotyping of the rs28493229 polymorphism using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and DNA sequencing.
  • Comparison of allele, genotype, and C allele carrier frequencies between KD patients and controls, and between subgroups based on CALs and IVIG response.

Main Results:

  • The frequency of the C allele of rs28493229 was significantly lower in the Chinese population compared to the Japanese population.
  • No statistically significant differences were found in allele, genotype, or C allele carrier frequencies between KD patients and controls.
  • The rs28493229 polymorphism showed no association with the presence of CALs or the response to IVIG treatment in Chinese KD patients.

Conclusions:

  • The rs28493229 polymorphism in the ITPKC gene is not associated with Kawasaki disease (KD) or coronary artery lesions (CALs) in the Chinese pediatric population.
  • This genetic marker cannot be reliably used for predicting KD susceptibility, prognosis, or treatment efficacy in Chinese children.
  • Further research is needed to identify other functional single nucleotide polymorphisms (SNPs) within the ITPKC gene that may be associated with KD/CALs in this population.
Abstract

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