DESCRIPTION:

QTL associated with epididymal fat weight. The confidence interval is Chr6:75494350-94175949 bp,+strand

LABEL:

QTL-Efw-Mouse-Chr 6

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2020-05-06

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:3609662

AUTHORS:

Ueda H, Ikegami H, Kawaguchi Y, Fujisawa T, Yamato E, Shibata M, Ogihara T

TITLE:

Genetic analysis of late-onset type 2 diabetes in a mouse model of human complex trait.

JOURNAL:

Diabetes May 1999, Vol 48, pp. 1168-74

ABSTRACT:

Type 2 diabetes is a complex trait with both genes and environmental factors contributing to susceptibility. Except for rare subtypes with monogenic inheritance, the genetic basis of type 2 diabetes is unknown because of the complex and heterogeneous nature of the disease. By using the NSY mouse, an inbred mouse model of type 2 diabetes, we genetically dissected late-onset type 2 diabetes and demonstrated age-dependent changes in the genetic control of type 2 diabetes as well as polygenic inheritance. Three major loci (Nidd1nsy, Nidd2nsy, Nidd3nsy) were mapped on mouse chromosomes (Chr) 11, 14, and 6, respectively. The existence of a fourth locus (Nidd4nsy) with an age-dependent effect was suggested by longitudinal, but not cross-sectional, analysis of linkage data. Nidd1nsy and Nidd4nsy appear to affect insulin secretion, whereas Nidd2nsy and Nidd3nsy appear to affect insulin sensitivity. A locus on Chr 6 was significantly linked to epididymal fat weight. A candidate disease gene (Tcf2) on Chr 11, encoding hepatic nuclear factor-1beta, was shown to have a rare sequence variant in the DNA binding domain in the model. The mouse model we used will serve as a useful model for future studies on the etiology of late-onset polygenic type 2 diabetes in humans. PUBMED: 10331425
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