HLA class II haplotypic association and DQCAR microsatellite polymorphisms in Croatian patients with psoriasis (CROSBI ID 148704)
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Podaci o odgovornosti
Grubić, Zorana ; Žunec, Renata ; Kaštelan, Marija ; Čečuk-Jeličić, Esma ; Gruber, Franjo ; Kaštelan, Andrija
engleski
HLA class II haplotypic association and DQCAR microsatellite polymorphisms in Croatian patients with psoriasis
The purpose of the present study was to investigate polymorphism of HLA class II haplotypic associations (HLA-DRB1, -DQA1, -DQB1) and DQCAR alleles in 78 Croatian patients with psoriasis. Patients were divided into two groups according to a family history of disease and age of onset: type I (positive family history and early onset) and type II (negative family history and late onset). The difference in frequency of HLA class II haplotypic associations between type I patients and controls was observed for the following combinations: HLA-DRB1*0701, -DQA1*0201, -DQB1*02 (23.6% vs. 7.2% ; p < 0.001), HLA-DRB1*0701, -DQA1*0201, -DQB1*0303 (8.5% vs. 1.3% ; p = 0.0018) and HLA-DRB1*1601, -DQA1*0102, -DQB1*0502 (2.8% vs. 9.3% ; p = 0.06). The difference between type II psoriasis and controls for association: HLA-DRB1*1501, -DQA1*0102, -DQB1*0602 is not significant (20.0% vs. 8.9% ; p = 0.06). The significantly higher frequency of DQCAR 113bp and 119bp alleles in patients with type Ipsoriasis is a result of linkage disequlibrium of these alleles with both HLA-DRB1*0701 haplotypic associations. Analysis ofDQCAR alleles in the HLA-DRB1*0701 haplotypic associations in patients with psoriasis vulgaris and matched controls did not reveal any difference in polymorphism of DQCAR alleles. These data suggest that HLA-DRB*0701 haplotypic combinations are associated with type I but not for type II psoriasis in the Croatian population. DQCAR polymorphism is not useful genetic marker to distinguish susceptible HLA class II haplotypic association.
HLA class II haplotypic association; DQCAR microsatellite polymorphisms; Croatian patients; psoriasis
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nije evidentirano
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nije evidentirano
nije evidentirano
nije evidentirano