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January 1990

Vitiligo Is Associated With HLA-DR4 in Black PatientsA Preliminary Report

Author Affiliations

From the Vitiligo Center, Departments of Dermatology (Dr Halder) and Microbiology (Dr Dunston), and the Immunogenetics Laboratory, Howard University School of Medicine, Washington, DC.

Arch Dermatol. 1990;126(1):56-60. doi:10.1001/archderm.1990.01670250062009

• We have determined the HLA-DR and HLA-DQ phenotypes of 24 black patients with vitiligo and compared these with phenotypes of 143 local black controls. HLA-DR4 was significantly increased in patients, 38% vs 11% for controls. HLA-DQw3 was also increased in patients, 58% vs 32% for controls and may be explained in part by linkage disequilibrium with HLA-DR4. When patients were subgrouped according to family history of autoimmune disease and compared with controls, the increase in HLA-DR4 and HLA-DQw3 segregated with a positive family history. HLA-DRw6 in patients with a negative family history of autoimmune disease (64%) was significantly greater than the 10% in patients with a positive family history. When patients were subgrouped according to age at onset of disease, HLA-DR4 was increased in those with early onset of disease (younger than 20 years) while HLA-DRw6 was greater in patients who were older at onset of disease. These findings support the hypothesis of an immunogenetic influence on the expression of vitiligo in black patients with vitiligo.

(Arch Dermatol. 1990;126:56-60)