International journal of dermatology · 2000
HLA in alopecia areata.
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Kavak A, Baykal C, Ozarmağan G, Akar U
Аннотация
BACKGROUND: The aim of this study was to investigate the human leukocyte antigen (HLA) characteristics of Turkish alopecia areata patients, and the correlation of the HLA profile with age of onset, severity and duration of the disease, presence of ophiasis, and family history.
METHODS: A total of 88 patients with alopecia areata, alopecia totalis, or alopecia universalis were compared with 100 healthy controls. HLA typing was performed by the Terasaki microlymphocytotoxicity method.
RESULTS: The frequency of HLA-A1, HLA-B62(15), HLA-DQ1, and HLA-DQ3 was significantly higher in patients than in controls. HLA-DR16 was significantly less common in patients than in the control group, and we concluded that this allele might have a protective role for alopecia areata. Juvenile onset and severe involvement were related with HLA-Cw7 and HLA-DR1, respectively. The HLA profile was independent of the existence of long-standing disease, presence of ophiasis, and a positive family history.
CONCLUSIONS: In HLA-alopecia areata association, ethnic differences may play a role.
METHODS: A total of 88 patients with alopecia areata, alopecia totalis, or alopecia universalis were compared with 100 healthy controls. HLA typing was performed by the Terasaki microlymphocytotoxicity method.
RESULTS: The frequency of HLA-A1, HLA-B62(15), HLA-DQ1, and HLA-DQ3 was significantly higher in patients than in controls. HLA-DR16 was significantly less common in patients than in the control group, and we concluded that this allele might have a protective role for alopecia areata. Juvenile onset and severe involvement were related with HLA-Cw7 and HLA-DR1, respectively. The HLA profile was independent of the existence of long-standing disease, presence of ophiasis, and a positive family history.
CONCLUSIONS: In HLA-alopecia areata association, ethnic differences may play a role.