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A locus on chromosome 15q26 (IDDM3) produces susceptibility to insulin-dependent diabetes mellitus. 1994

L L Field, and R Tobias, and T Magnus
Department of Medical Genetics, University of Calgary, Alberta, Canada.

To identify new loci predisposing to insulin-dependent diabetes mellitus (IDDM), we have investigated 250 families with more than one diabetic child. Affected sibling pair linkage analysis revealed strong evidence for an IDDM susceptibility locus near D15S107 on chromosome 15q26 (P = 0.0010) termed IDDM3. Families less predisposed through genes in the HLA region provided most of the evidence for linkage. In these families, discordant sibling pairs also showed linkage (P = 0.0052), and sibling pair disease concordance or discordance was strongly related to the proportion of genes the pair shared at D15S107 (P = 0.0003). Our study also revealed evidence for an IDDM locus on chromosome 11q13 (IDDM4) using affected siblings (P = 0.0043), but no evidence using discordant siblings.

UI MeSH Term Description Entries
D008126 Lod Score The total relative probability, expressed on a logarithmic scale, that a linkage relationship exists among selected loci. Lod is an acronym for "logarithmic odds." Lod Scores,Score, Lod,Scores, Lod
D009679 Nuclear Family A family composed of spouses and their children. Daughters,Sons,Daughter,Families, Nuclear,Family, Nuclear,Nuclear Families,Son
D002170 Canada The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.
D002874 Chromosome Mapping Any method used for determining the location of and relative distances between genes on a chromosome. Gene Mapping,Linkage Mapping,Genome Mapping,Chromosome Mappings,Gene Mappings,Genome Mappings,Linkage Mappings,Mapping, Chromosome,Mapping, Gene,Mapping, Genome,Mapping, Linkage,Mappings, Chromosome,Mappings, Gene,Mappings, Genome,Mappings, Linkage
D002884 Chromosomes, Human, Pair 15 A specific pair of GROUP D CHROMOSOMES of the human chromosome classification. Chromosome 15
D003922 Diabetes Mellitus, Type 1 A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence. Diabetes Mellitus, Brittle,Diabetes Mellitus, Insulin-Dependent,Diabetes Mellitus, Juvenile-Onset,Diabetes Mellitus, Ketosis-Prone,Diabetes Mellitus, Sudden-Onset,Diabetes, Autoimmune,IDDM,Autoimmune Diabetes,Diabetes Mellitus, Insulin-Dependent, 1,Diabetes Mellitus, Type I,Insulin-Dependent Diabetes Mellitus 1,Juvenile-Onset Diabetes,Type 1 Diabetes,Type 1 Diabetes Mellitus,Brittle Diabetes Mellitus,Diabetes Mellitus, Insulin Dependent,Diabetes Mellitus, Juvenile Onset,Diabetes Mellitus, Ketosis Prone,Diabetes Mellitus, Sudden Onset,Diabetes, Juvenile-Onset,Diabetes, Type 1,Insulin Dependent Diabetes Mellitus 1,Insulin-Dependent Diabetes Mellitus,Juvenile Onset Diabetes,Juvenile-Onset Diabetes Mellitus,Ketosis-Prone Diabetes Mellitus,Sudden-Onset Diabetes Mellitus
D005060 Europe The continent north of AFRICA, west of ASIA and east of the ATLANTIC OCEAN. Northern Europe,Southern Europe,Western Europe
D005819 Genetic Markers A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event. Chromosome Markers,DNA Markers,Markers, DNA,Markers, Genetic,Genetic Marker,Marker, Genetic,Chromosome Marker,DNA Marker,Marker, Chromosome,Marker, DNA,Markers, Chromosome
D006684 HLA-DR Antigens A subclass of HLA-D antigens that consist of alpha and beta chains. The inheritance of HLA-DR antigens differs from that of the HLA-DQ ANTIGENS and HLA-DP ANTIGENS. HLA-DR,Antigens, HLA-DR,HLA DR Antigens
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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