Journal
INTERNATIONAL ARCHIVES OF ALLERGY AND IMMUNOLOGY
Volume 178, Issue 2, Pages 128-140Publisher
KARGER
DOI: 10.1159/000494129
Keywords
Migration; Immigration; Allergy; Asthma; Rhinitis; Atopic dermatitis
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Funding
- National Medical Research Council (NMRC) Research Training Fellowship grant from the National Medical Research Council (NMRC), Singapore [MH 095:00308-225]
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Studies in migrant populations provide vital opportunities to investigate the role of environmental factors in the pathogenesis of allergic disorders. Differences in allergy prevalence have been observed between migrants and native-born subjects living in the same geographical location. Immigrants who migrate from less affluent countries with lower allergy prevalence tend to have a lower prevalence of allergic disorders compared to native-born residents of the more affluent host country. The patterns of allergic disease prevalence also differ between first-and second-generation migrants. The timing of migration in relation to birth, age at migration, and duration of residence in the host country also influence one's atopic risk. A complex interplay of multiple environmental, socioeconomic, and cultural factors is likely responsible for these observed differences. Further research into the roles of various risk factors in modulating differences in allergic disease prevalence between migrant and native populations will enhance our understanding of the complex gene-environment interactions involved in the pathogenesis of allergic disorders. (C) 2018 S. Karger AG, Basel
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