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Paper Information

Journal:   IRANIAN JOURNAL OF PUBLIC HEALTH   JULY 2014 , Volume 43 , Number 7; Page(s) 877 To 888.
 
Paper: 

ASSOCIATION BETWEEN β2-ADRENERGIC RECEPTOR-16ARG/GLY GENE POLYMORPHISM AND CHRONIC OBSTRUCTIVE PULMONARY DISEASE RISK: SYSTEMATIC REVIEW AND META-ANALYSIS

 
 
Author(s):  WANG WEI, LI PING, CHEN YIFEI, YANG JIONG*
 
* DEPT. OF RESPIRATORY MEDICINE, ZHONGNAN HOSPITAL OF WUHAN UNIVERSITY, WUHAN, HUBEI 430071, CHINA
 
Abstract: 

Background: The association between b2-adrenergic receptor (ADRB2) -16Arg/Gly polymorphism (rs1042713) and chronic obstructive pulmonary disease (COPD) risk has been investigated in many published studies. However, the results were inconclusive. A meta-analysis was performed to make a more precise estimation of the relationship.
Methods: The PubMed, EMBASE, ISI web of science, the Cochrane Database of Systematic Reviews, and Chinese databases (CNKI, Wanfang Data, CBM, VIP) were searched for published literature. Odds ratios (OR) with 95% confidence interval (CI) were used to assess the strength of association.
Results: Eleven studies, comprising 1, 128 COPD patients and 1, 182 controls, were included in the meta-analysis.
Overall, there was no significant association between theADRB2 -16Arg/Gly polymorphism and COPD risk in general population. In the stratification analysis by potential confounding variables, significant associations were observed between theADRB2 -16Arg/Gly polymorphism and COPD risk among smoking Asians under the dominant genetic model and allele model (Arg vs. Gly) (dominant model: OR=1.45, 95% CI=1.04–2.01, P=0.311 for heterogeneity, z=2.22, P=0.026 for OR; allele model: OR=1.27, 95% CI=1.03–1.57, P=0.209 for heterogeneity, z=2.20, P= 0.028 for OR), but not in other subgroups.
Conclusion: This meta-analysis suggested that the ADRB2 -16Arg/Gly polymorphism might be a potential risk factor for the development of COPD in smoking Asian populations, but not in European descendents, and tobacco smoking probably increased the genetic susceptibility. More studies with larger sample sizes are needed to validate the results.

 
Keyword(s): β2-ADRENERGIC RECEPTOR, RS1042713, TOBACCO SMOKING, COPD, META-ANALYSIS
 
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