Cytokine Gene Polymorphisms and Atopic Disease in Two European Cohorts
Author Information
Author(s): Imboden M, Nieters A, Bircher AJ, Brutsche M, Becker N, Wjst M, Ackermann-Liebrich U, Berger W, Probst-Hensch NM
Primary Institution: University Hospital Zurich, Switzerland
Hypothesis
The study aimed to investigate the association of various cytokine polymorphisms with self-reported hay fever and IgE levels in two European cohorts.
Conclusion
The study confirmed associations between certain cytokine gene polymorphisms and atopic health outcomes, particularly in relation to hay fever and IgE levels.
Supporting Evidence
- IL4, IL10, IL6, and IL18 were confirmed as candidate genes for atopic health outcomes.
- IL6(-174G>C) and IL18(-137G>C) polymorphisms were associated with total IgE concentrations in hay fever subjects.
- IL18(-137G>C) polymorphism was linked to the prevalence of hay fever.
Takeaway
Scientists looked at how certain genes might affect allergies in two groups of people, and they found some links between these genes and allergy symptoms.
Methodology
The study used two prospective Caucasian cohorts, genotyping cytokine polymorphisms and analyzing associations with atopy through covariance and logistic regression.
Potential Biases
Potential biases may arise from population stratification and differences in genetic and environmental factors across the cohorts.
Limitations
The ECRHS part of the study had a small sample size, which limited the statistical power of the findings.
Participant Demographics
The study included Caucasian participants from two cohorts, ECRHS-Basel (n=418) and SAPALDIA (n=6003), with a balanced gender distribution.
Statistical Information
P-Value
0.004
Confidence Interval
95% CI: 1.07 – 1.43
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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