Abstract:
BACKGROUND:Immunoglobulin E (IgE)-mediated allergy belongs to common chronic disorders resulting from an interaction between both genetic and environmental factors. The gene encoding CD14 is a positional candidate gene for allergic diseases as it is localized on chromosome 5q31.1, a region that is linked to asthma and bronchial hyperresponsiveness. Recently, several polymorphisms in the promoter region of this gene have been associated with atopic phenotypes in various populations. METHODS:We investigated relationship among atopic phenotypes and two polymorphisms [C(-159)T and G(-1359)T] in the promoter of the CD14 gene in the Czech population. Polymerase chain reaction with restriction fragment length polymorphism analyses was used to determine the CD14 genotypes in subjects with IgE-mediated allergic diseases (n = 562) and random controls (n = 320). RESULTS:The CD14 allele or genotype distributions were similar in patients and control group. However, the frequency of the C allele of the C(-159)T polymorphism was higher in patients with positive skin prick tests for moulds than in patients without reactivity to this antigen (P < 0.002, Pcorr<0.01). In addition, we found that patients with homozygous genotype (GG) of the G(-1359)T polymorphism had marginally lower percentage of positive skin prick tests compared with the other genotypes (P < 0.029, Pcorr > 0.05). CONCLUSIONS:Our study supports the idea that CD14 gene variants may act as disease modifiers of IgE-mediated allergic diseases.
journal_name
Allergyjournal_title
Allergyauthors
Bucková D,Hollá LI,Schüller M,Znojil V,Vácha Jdoi
10.1034/j.1398-9995.2003.00271.xkeywords:
subject
Has Abstractpub_date
2003-10-01 00:00:00pages
1023-6issue
10eissn
0105-4538issn
1398-9995pii
271journal_volume
58pub_type
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