Results of a study published in the July issue of The Journal of Clinical Endocrinology and Metabolism indicate that a family history of type 2 diabetes delays the onset of type 1 diabetes.
Dr. Sami T. Azar, of the American University of Beirut, in Lebanon, and colleagues studied 253 patients with type 1 diabetes in relation to HLA-DQB1 haplotype, gender, and early exposure to dairy products. They also studied occurrence of the disease in relation to family history of type 1 and type 2 diabetes.
“In accordance with the reported literature,” the patients had a higher occurrence of the *0201 and *0302 alleles of HLA-DQB1, the investigators report, and a much lower frequency of the protective *0602 allele, compared with nondiabetic controls.
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