RGD Reference Report - A major quantitative trait locus co-localizing with cholecystokinin type A receptor gene influences poor pancreatic proliferation in a spontaneously diabetogenic rat. - Rat Genome Database

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A major quantitative trait locus co-localizing with cholecystokinin type A receptor gene influences poor pancreatic proliferation in a spontaneously diabetogenic rat.

Authors: Moralejo, DH  Ogino, T  Zhu, M  Toide, K  Wei, S  Wei, K  Yamada, T  Mizuno, A  Matsumoto, K  Shima, K 
Citation: Moralejo DH, etal., Mamm Genome 1998 Oct;9(10):794-8.
RGD ID: 69697
Pubmed: PMID:9745032   (View Abstract at PubMed)

The Otsuka Long-Evans Tokushima Fatty (OLETF) rat is an animal model for obese-type, non-insulin-dependent diabetes mellitus (NIDDM) in humans. The OLETF rat has poor capacity for pancreatic proliferation, which may be the critical pathogenetic event in NIDDM development. Our investigation was designed to identify quantitative trait loci (QTLs) responsible for poor pancreatic proliferation by examining compensatory proliferation of the pancreatic remnant after partial pancreatectomy and performing a genome-wide scan in an F2 intercross obtained by mating the OLETF and the Fischer-344 (F344) rats. We identified a highly significant QTL on rat Chromosome 14 with a maximum lod score of 16.7, which accounts for 55% of the total variance. The QTL co-localizes with the gene encoding cholecystokinin type A receptor (CCKAR) which is likely to mediate the trophic effect of cholecystokinin on pancreas and is defective in the OLETF rat.



Disease Annotations    

Phenotype Annotations    

Mammalian Phenotype

Phenotype Values via PhenoMiner     Click to see Annotation Detail View
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Strains with Phenominer Data Strains with phenominer data
OLETF/Got F344/DuCrlCrlj

Objects Annotated

QTLs
Pancm5  (Pancreatic morphology QTL 5)

Strains
F344/DuCrlCrlj  (NA)
OLETF/Got  (Otsuka Long Evans Tokushima)


Additional Information