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  • Title: HLA associations with Hashimoto's thyroiditis.
    Author: Tandon N, Zhang L, Weetman AP.
    Journal: Clin Endocrinol (Oxf); 1991 May; 34(5):383-6. PubMed ID: 1676351.
    Abstract:
    There is disagreement over the HLA-DR associations of Hashimoto's (goitrous) thyroiditis. We have studied 86 English Caucasian patients with this condition whose DR types were determined by restriction fragment polymorphism analysis. HLA-DR3 was significantly more frequent in these patients than in 100 controls (chi 2 = 7.09; P less than 0.01). The relative risk was 2.23 and aetiological fraction 0.29. HLA-DPB and DQB alleles were analysed in a proportion of these subjects by enzymatic DNA amplification and oligonucleotide probing. The only significant finding was an excess of HLA-DQw2 (in linkage disequilibrium with DR3) in the Hashimoto group (chi 2 = 7.43, P less than 0.007). These results do not support a difference between goitrous and atrophic thyroiditis based on respective associations with HLA-DR5 and DR3, but confirm a recent study in which HLA-DR3 was associated with Hashimoto's thyroiditis. However, it is possible that genes telomeric to DR3 may be involved in determining which type of thyroiditis a patient with autoimmune hypothyroidism develops.
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