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Cytokine gene polymorphism in recurrent acute otitis media
Veli-Pekka Joki-Erkkilä1, Heikki Puhakka, Mikko Hurme
1Department of Otorhinolaryngology, Head and Neck Surgery, Tampere University Hospital, PO Box 2000, FIN-33521 Tampere, Finland. vp.jokierkkila@nokianlaakariasema.fi
Archives of Otolaryngology--Head & Neck Surgery
|January 12, 2002
Summary
Genetic variations in cytokine genes show no clear link to recurrent acute otitis media (rAOM). However, IL-1 alpha gene polymorphism may be associated with rAOM in non-allergic patients.
Area of Science:
- Genetics
- Immunology
- Otolaryngology
Background:
- Recurrent acute otitis media (rAOM) has a significant genetic predisposition.
- Cytokines are crucial in otitis media pathogenesis.
- Gene polymorphisms can influence individual cytokine secretion.
Purpose of the Study:
- To investigate the association between cytokine gene polymorphisms and rAOM.
- To identify potential genetic markers for rAOM susceptibility.
Main Methods:
- Genetic analysis of tumor necrosis factor alpha, IL-1 alpha, IL-1 beta, and IL-1 receptor antagonist gene polymorphisms.
- Study included 63 individuals with rAOM and 400 healthy controls.
- Medical history data collected via records and interviews.
Main Results:
- No significant differences in overall cytokine allele distribution between rAOM and control groups.
- A significant difference in IL-1 alpha-889 allele frequencies was observed in rAOM patients without allergies compared to controls (P = .03).
Conclusions:
- No definitive association found between the studied cytokine gene polymorphisms and rAOM.
- IL-1 alpha gene polymorphism might be linked to rAOM in a specific subgroup of patients lacking allergic disorders.