RANTES gene polymorphisms and risk of pediatric asthma: A meta-analysis

Lu,Yan-Ming; Cao,Lan-Fang; Li,Ya-Qin; Li,Chen

doi:10.3892/etm.2012.684

RANTES gene polymorphisms and risk of pediatric asthma: A meta-analysis

Authors:
- Yan-Ming Lu
- Lan-Fang Cao
- Ya-Qin Li
- Chen Li
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Affiliations: Department of Pediatrics, Renji Hospital Affiliated to Medical School, Shanghai Jiaotong University, Shanghai 200001, P.R. China
Published online on: August 28, 2012 https://doi.org/10.3892/etm.2012.684
Pages: 918-922

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Abstract

Numerous studies have evaluated the association between regulated upon activation, normal T cells expressed and secreted (RANTES) gene polymorphisms (-403G/A and -28C/G) and risk of pediatric asthma. However, the results have been inconsistent. A meta-analysis of the association between RANTES gene polymorphisms and pediatric asthma risk was performed in the current study. A search for published literature was conducted in the Google Scholar, PubMed and the CNKI databases (January 2000 to April 2012) and seven studies were retrieved. The associations between RANTES gene polymorphisms and pediatric asthma risk were estimated by pooled odds ratio (OR) and 95% confidence interval (CI) using a fixed- or random-effects model. Meta-analysis results revealed no significant association between the -403G/A polymorphism and risk of pediatric asthma. In the subgroup analysis by ethnicity, no association was identified between the -403G/A polymorphism and pediatric asthma risk in Caucasian and Asian populations. In the -28C/G group, the meta-analysis indicated a significant association between the -28C/G polymorphism and pediatric asthma susceptibility among the total population (recessive model: OR, 1.34; 95% CI, 1.04-1.72). However, when the subgroup analysis was performed by ethnicity, no significant associations were identified in Asians and Europeans. This result suggests that the -28C/G polymorphism may not be associated with pediatric asthma risk, while the observed increase in the risk of pediatric asthma may be due to racial differences. Additional large-scale studies are required to provide conclusive evidence on the effects of RANTES gene polymorphisms on the risk of pediatric asthma.

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