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Human type 1 (insulin-dependent) diabetes is a common auto-immune disease of the insulin-producing beta cells of the pancreas which is caused by both genetic and environmental factors. Several features of the genetics and immunopathology of diabetes in nonobese diabetic (NOD) mice are shared with the human disease. Of the three diabetes-susceptibility genes, Idd-1 -3 and -4 that have been mapped in mice to date, only in the case of Idd-1 is there any evidence for the identity of the gene product: allelic variation within the murine immune response I-A beta gene and its human homologue HLA-DQB1 correlates with susceptibility, implying that I-A beta is a component of Idd-1. We report here the mapping of Idd-5 to the proximal region of mouse chromosome 1. This region contains at least two candidate susceptibility genes, the interleukin-1 receptor gene and Lsh/Ity/Bcg, which encodes resistance to bacterial and parasitic infections and affects the function of macrophages.

Original publication




Journal article



Publication Date





262 - 265


Animals, Base Sequence, Chromosome Mapping, Cyclophosphamide, DNA, Diabetes Mellitus, Experimental, Diabetes Mellitus, Type 1, Genetic Linkage, Genotype, Humans, Interleukin-1, Mice, Mice, Mutant Strains, Molecular Sequence Data, Oligodeoxyribonucleotides, Receptors, Immunologic, Receptors, Interleukin-1