RGD Reference Report - Quantitative trait loci influencing blood and liver cholesterol concentration in rats. - Rat Genome Database

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Quantitative trait loci influencing blood and liver cholesterol concentration in rats.

Authors: Bonne, AC  Den Bieman, MG  Gillissen, GF  Lankhorst, A  Kenyon, CJ  Van Zutphen, BF  Van Lith, HA 
Citation: Bonne AC, etal., Arterioscler Thromb Vasc Biol 2002 Dec 1;22(12):2072-9.
RGD ID: 629577
Pubmed: PMID:12482837   (View Abstract at PubMed)

OBJECTIVE: The LEW/OlaHsd and BC/CpbU rat inbred strains differ markedly in blood and hepatic cholesterol levels before and after a cholesterol-rich diet. To define loci controlling these traits and related phenotypes, an F2 population derived from these strains was genetically analyzed. METHODS AND RESULTS: For each of the 192 F2 animals, phenotypes were determined, and genomic DNA was screened for polymorphic microsatellite markers. Significant quantitative trait loci (QTLs) were detected for basal serum cholesterol level on chromosome 1 (D1Rat335-D1Rat27: total population, lod score 9.6; females, lod score 10.3) and chromosome 7 (D7Rat69: males, lod score 4.1), for postdietary serum cholesterol level on chromosome 2 (D2Rat69: total population, lod score 4.4) and chromosome 16 (D16Rat6-D16Rat44: total population, lod score 3.3), for postdietary serum phospholipid level on chromosome 11 (D11Rat10: total population, lod score 4.1; females, lod score 3.6), and for postdietary serum aldosterone level on chromosome 1 (D1Rat14: females, lod score 3.7) and chromosome 18 (D18Rat55-D18Rat8: females, lod score 2.9). In addition, QTLs with borderline significance were found on chromosomes 3, 5 to 11, 15, and 18. CONCLUSIONS: QTLs involved in blood and/or hepatic cholesterol concentrations (or related phenotypes) in the rat were identified. This contributes to the value of the rat as an animal model in studies researching the role of cholesterol in the pathogenesis of atherosclerosis and other cholesterol-related diseases.



Disease Annotations    

Phenotype Annotations    

Objects Annotated

QTLs
Bw6  (Body weight QTL 6)
Bw7  (Body weight QTL 7)
Sald1  (Serum aldosterone level QTL 1)
Sald2  (Serum aldosterone level QTL 2)
Scl6  (Serum cholesterol level QTL 6)
Scl7  (Serum cholesterol level QTL 7)
Scl8  (Serum cholesterol level QTL8)
Scl9  (Serum cholesterol level QTL 9)
Spl2  (Serum phospholipid level QTL 2)

Strains
BC/CpbU  (NA)
LEW/OlaHsd  (NA)


Additional Information