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Genetic, epigenetic, and gene-by-diet interaction effects underlie variation in serum lipids in a LG/JxSM/J murine model


Reference:

Lawson, H. A., Zelle, K. M., Fawcett, G. L., Wang, B., Pletscher, L. S., Maxwell, T. J., Ehrich, T. H., Kenney-Hunt, J. P., Wolf, J. B., Semenkovich, C. F. and Cheverud, J. M., 2010. Genetic, epigenetic, and gene-by-diet interaction effects underlie variation in serum lipids in a LG/JxSM/J murine model. Journal of Lipid Research, 51 (10), pp. 2976-2984.

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Official URL:

http://dx.doi.org/10.1194/jlr.M006957

Abstract

Variation in serum cholesterol, free-fatty acids, and triglycerides is associated with cardiovascular disease (CVD) risk factors. There is great interest in characterizing the underlying genetic architecture of these risk factors, because they vary greatly within and among human populations and between the sexes. We present results of a genome-wide scan for quantitative trait loci (QTL) affecting serum cholesterol, free-fatty acids, and triglycerides in an F 16 advanced intercross line of LG/J and SM/J (Wustl:LG,SM-G16). Half of the population was fed a high-fat diet and half was fed a relatively low-fat diet. Context-dependent genetic (additive and dominance) and epigenetic (imprinting) effects were characterized by partitioning animals into sex, diet, and sex-by-diet cohorts. Here we examine genetic, environmental, and genetic-by-environmental interactions of QTL overlapping previously identified loci associated with CVD risk factors, and we add to the serum lipid QTL landscape by identifying new loci.-Lawson, H. A., K. M. Zelle, G. L. Fawcett, B. Wang, L. S. Pletscher, T. J. Maxwell, T. H. Ehrich, J. P. Kenney-Hunt, J. B. Wolf, C. F. Semenkovich, and J. M. Cheverud. Genetic, epigenetic, and gene-by-diet interaction effects underlie variation in serum lipids in a LG/JxSM/J murine model.

Details

Item Type Articles
CreatorsLawson, H. A., Zelle, K. M., Fawcett, G. L., Wang, B., Pletscher, L. S., Maxwell, T. J., Ehrich, T. H., Kenney-Hunt, J. P., Wolf, J. B., Semenkovich, C. F. and Cheverud, J. M.
DOI10.1194/jlr.M006957
Uncontrolled Keywordstriglyceride, free-fatty acid, quantitative trait locus, cholesterol, imprinting, j advanced intercross
DepartmentsFaculty of Science > Biology & Biochemistry
RefereedYes
StatusPublished
ID Code21080

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