Ethnic Differences in the Prevalence of Pulmonary Airflow Obstruction Among Grain Workers

Polymorphisms of IL4 , IL13 , and ADRB2 Genes in COPD

“…It has been described that there are ethnic differences in the prevalence, presentation, and mortality of COPD. 14,15 Based on these contradictory results among the studies in different populations and on the possible effect of the ethnic differences on the case-control studies, we conducted a retrospective case-control study to assess the association of these polymorphisms of the IL4, IL13, and the ADRB2 genes with COPD in two diverse ethnic groups, Japanese and Egyptians. These two populations are widely separated geographically and genetically.…”