HLA class II alpha chain gene polymorphisms in patients with insulin-dependent diabetes mellitus, dermatitis herpetiformis, and celiac disease.

G A Hitman; M J Niven; H Festenstein; P G Cassell; J Awad; J Walker-Smith; J N Leonard; L Fry; P Ciclitira; P Kumar

doi:10.1172/JCI112854

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Published in Volume 79, Issue 2 on February 1, 1987
J Clin Invest. 1987;79(2):609–615. https://doi.org/10.1172/JCI112854.
© 1987 The American Society for Clinical Investigation

Published February 1, 1987 - Version history

We have investigated DNA polymorphism of the class II alpha chain genes in HLA typed patients with insulin dependent diabetes mellitus (IDDM; n = 79), celiac disease (CD; n = 46), dermatitis herpetiformis (DH; n = 53), and controls (n = 86). Preferential allelic associations of HLA genes and gene products have thus been constructed for susceptibility to these diseases. DR alpha and DQ alpha gene polymorphisms indicated heterogeneity of HLA DR3, DRw6, and DR7, and HLA DR2 and DRw6, respectively. In DR7 positive CD patients a 3.8-kilobase (kb) DR alpha fragment, which correlated with DQw3, was found in only 11% of patients compared with 45% of corresponding controls (P less than 0.05). An increased frequency of a DX alpha genotype UU in all three diseases was found (IDDM 59%, DH 45%, CD 48%, compared to 21% in controls, P less than 0.001), which is not explained solely by the increased frequencies of DR3-DX alpha U. We therefore conclude part of the genetic susceptibility for these three conditions is encoded by genes within the DQ-DX subregion.

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HLA class II alpha chain gene polymorphisms in patients with insulin-dependent diabetes mellitus, dermatitis herpetiformis, and celiac disease.

G A Hitman, M J Niven, H Festenstein, P G Cassell, J Awad, J Walker-Smith, J N Leonard, L Fry, P Ciclitira, and P Kumar

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HLA class II alpha chain gene polymorphisms in patients with insulin-dependent diabetes mellitus, dermatitis herpetiformis, and celiac disease.

G A Hitman, M J Niven, H Festenstein, P G Cassell, J Awad, J Walker-Smith, J N Leonard, L Fry, P Ciclitira, and P Kumar

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