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[Association of the C3 gene polymorphisms with susceptibility to adult asthma]

Jia-yu TAN1, Fen-xia LI, Dong WU

  • 1Intensive Care Unit of Zhongshan Bo Ai Hospital, Southern Medical University, Zhongshan, Guangdong, 528403 P. R. China. 28242174@qq.com

Zhonghua Yi Xue Yi Chuan Xue Za Zhi = Zhonghua Yixue Yichuanxue Zazhi = Chinese Journal of Medical Genetics
|April 5, 2011
PubMed

Insights

The complement component 3 (C3) gene single nucleotide polymorphism rs366510 is associated with adult asthma in southern China. The TT genotype at this locus increases asthma risk, suggesting C3 as a potential factor in disease development.

Area of Science:

  • Genetics
  • Immunology
  • Respiratory Medicine

Context:

  • Asthma is a complex respiratory disease with a significant genetic component.
  • The complement system, particularly complement component 3 (C3), plays a role in immune responses and inflammation.
  • Understanding the genetic underpinnings of asthma is crucial for developing targeted therapies.

Purpose:

  • To investigate the association between specific single nucleotide polymorphisms (SNPs) in the complement component 3 (C3) gene and adult asthma.
  • To determine if C3 gene variations influence asthma susceptibility in the Han population of southern China.

Summary:

  • A case-control study genotyped 484 adult asthma patients and 553 healthy controls using MassARRAY-IPLEX and MALDI-TOF-MS.
  • No significant association was found for the rs10402876 locus.
  • The rs366510 locus of the C3 gene showed significant differences in genotype and allele frequencies between asthma patients and controls.
  • Specifically, the TT genotype at rs366510 was associated with a significantly increased risk of adult asthma (OR=1.471, 95% CI: 1.125-1.923).

Impact:

  • Identifies a specific C3 gene polymorphism (rs366510) as a potential genetic risk factor for adult asthma in southern China.
  • Provides evidence supporting the role of the complement system in asthma pathogenesis.
  • May contribute to the development of genetic screening tools or personalized treatment strategies for asthma.
Abstract

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