PMID: 11320564Apr 26, 2001Paper

Polymorphism of histocompatibility class II antigens coded with the DRB gene in in familial sarcoidosis in Poland

Pneumonologia i alergologia polska
A GoljanJ Zieliński

Abstract

Several studies suggested association between some human leukocyte antigen (HLA) alleles and sarcoidosis, but none has been conclusive. To confirm possible association of sarcoidosis with HLA-DRB1, -DRB3,- DRB4, -DRB5 associated alleles HLA-DR genotyping was performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method in 17 polish families with familial sarcoidosis and in 101 healthy controls. The families with sarcoidosis consisted of 31 affected first-degree relatives from 16 families, 2 affected cousins from 1 family and 78 healthy relatives of those patients. We found 3 varieties of familial sarcoidosis: a) in parent and offspring (5 pairs), b) in siblings (10 sib pairs and 1 sib triplet) and in cousins (1 family). Genotyping for HLA-DRB1,-DRB3,-DRB4,-DRB5 revealed an over-representation of HLA-DR5(12) and DRw52 among antigens shared by affected relatives comparing to the control group. A significant increase in the frequency of HLA-DR7 and HLA-DRw53 antigens (p < 0.05) was found in subjects from the control group. Comparing the group of family members (affected and healthy relatives taken together, n = 111) with the control group (n = 101) we found a significant differences in the di...Continue Reading

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