Metabolic Studies in Familial Hypercholesterolemia: EVIDENCE FOR A GENE-DOSAGE EFFECT IN VIVO

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Abstract

To investigate the gene-dosage effect in familial hypercholesterolemia (FH), metabolic studies were conducted in a group of well-characterized patients with either heterozygous (n = 7) or homozygous (n = 7) FH and the results were compared to those obtained in normal subjects (n = 6). The turnover of 125I-labeled low-density lipoprotein (LDL) was measured in all of the normals, all but one of the FH heterozygotes, and in all of the homozygotes. Chemical cholesterol balance was performed simultaneously with the 125I-LDL turnover in all seven of the homozygotes.

Authors

David W. Bilheimer