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Research Article Free access | 10.1172/JCI116649

Coincidence of genetic loci for plasma cholesterol levels and obesity in a multifactorial mouse model.

C H Warden, J S Fisler, M J Pace, K L Svenson, and A J Lusis

Department of Medicine, University of California Los Angeles, 90024.

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Department of Medicine, University of California Los Angeles, 90024.

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Department of Medicine, University of California Los Angeles, 90024.

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Department of Medicine, University of California Los Angeles, 90024.

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Department of Medicine, University of California Los Angeles, 90024.

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Published August 1, 1993 - More info

Published in Volume 92, Issue 2 on August 1, 1993
J Clin Invest. 1993;92(2):773–779. https://doi.org/10.1172/JCI116649.
© 1993 The American Society for Clinical Investigation
Published August 1, 1993 - Version history
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Abstract

We have examined backcross progeny derived from a cross of Mus spretus with C57BL/6J, that range from 1 to 50% carcass lipid (n = 215), and from 22 to 130 mg/dl plasma total cholesterol (n = 238). Statistical analysis revealed that distal mouse chromosome 7 exhibits significant linkage both to plasma total cholesterol (likelihood of the odds [LOD] 5.8) and to carcass lipid (LOD 3.8). A locus on chromosome 6 also shows significant linkage to plasma total cholesterol (LOD 5.6), but no linkage to carcass lipid. Neither chromosomal region contains any previously mapped genes likely to influence lipoprotein metabolism, indicating that novel genetic factors contributing to plasma lipoprotein levels have been identified.

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