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Yearly Archives: 2019

International Textbook of Diabetes Mellitus, 4th Ed., Excerpt #168: Molecular Genetics of Type 1 Diabetes Part 5

Linkage studies identify regions of the genome that are shared more frequently than would be expected by chance by relatives affected by a particular disease. Most studies analyze affected sibling pairs and utilize genetic markers that are scattered throughout the genome at moderate density, typically microsatellites. A significant excess of allele sharing identical by-descent (IBD) in affected sibpairs suggests that the region containing the marker locus also contains a disease susceptibility locus. The first linkage scan for T1DM identified 20 chromosomal regions with suggestive evidence of linkage to disease, including the HLA and INS gene regions.

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March 9, 2019

Thanks to everyone who asked for more information on the “sartan” contamination recall. Some of you asked how this happened, a few wanted to know the science behind it, and almost everybody wanted to know how the pharmaceutical industry and the FDA were going to fix it. With those comments …

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