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Type 1 or insulin-dependent diabetes mellitus (IDDM) is an autoimmune disease of the insulin-producing pancreatic beta-cells which is determined by both genetic and environmental factors. The major histocompatibility complex and the insulin gene region (INS) on human chromosomes 6p and 11p, respectively, contain susceptibility genes. Using a mostly French data set, evidence for linkage of INS to IDDM was recently obtained but only in male meioses (suggesting involvement of maternal imprinting) and only in HLA-DR4-positive diabetics. In contrast, we find evidence for linkage in both male and female meioses and that the effect of the susceptibility gene(s) in the INS region is not dependent on the presence of HLA-DR4.

Original publication




Journal article


Nat Genet

Publication Date





212 - 215


Base Sequence, Cell Line, Diabetes Mellitus, Type 1, Disease Susceptibility, Female, Genetic Linkage, Great Britain, HLA-DR4 Antigen, Haplotypes, Humans, Insulin, Lymphocytes, Male, Meiosis, Molecular Sequence Data, Norway, Parents, Risk Factors