[Association between IL1R1 gene polymorphisms and childhood asthma]

Area of Science:

• Genetics and immunology research
• Pediatric respiratory diseases
• Molecular epidemiology

Context:

• Asthma is a common chronic respiratory disease in children.
• Genetic factors play a significant role in asthma susceptibility.
• The Interleukin-1 Receptor 1 (IL1R1) gene is a potential candidate for asthma association studies.

Purpose:

• To investigate the association between two single-nucleotide polymorphisms (SNPs) in the IL1R1 gene (rs1558641 and rs949963) and asthma susceptibility in children.
• To determine if IL1R1 serum levels differ between asthmatic children and healthy controls.

Summary:

• A case-control study involving 208 children with asthma and 223 healthy children from Central China was conducted.
• Genotyping of IL1R1 SNPs rs1558641 and rs949963 was performed using polymerase chain reaction-restriction fragment length polymorphism.
• The IL1R1 gene SNP rs949963 showed a significant association with increased asthma susceptibility (P<0.05) and higher serum IL1R1 levels (P=0.011) in the asthma group.

Impact:

• The findings suggest that IL1R1 SNP rs949963 is a potential genetic marker for asthma susceptibility in the studied pediatric population.
• Elevated serum IL1R1 levels associated with the rs949963 GG genotype may indicate a role in asthma pathogenesis.
• This research contributes to understanding the genetic underpinnings of childhood asthma in Central China.