PMID: 22339301Feb 22, 2012Paper

Lipid and apoprotein composition of HDL in partial or complete CETP deficiency

Current Vascular Pharmacology
Eric J NiesorGregor Dernick

Abstract

Hyperalphalipoproteinemia, as observed in patients who are either homozygous or heterozygous for cholesteryl ester transfer protein (CETP) deficiency, has been shown to be associated with striking changes in apolipoprotein size distribution, namely, of high-density lipoprotein (HDL) and HDL-like particles. We compared the effect of varying degrees of CETP activity on the HDL apolipoprotein profile in Caucasian CETP-deficient subjects and following pharmacological decrease in CETP activity, using Size Exclusion Chromatography followed by Reverse Phase Protein Array (SEC RPA). The main HDL-associated apolipoproteins (Apo), i.e. ApoA-I, ApoA-II, ApoC-I, and ApoC-III, co-eluted with the HDL peak. The presence of a HDL-like peak migrating between the ApoB-LDL and ApoA-I-HDL was identified in a Caucasian patient with homozygosity for a point mutation in exon 2 of the CETP gene (c.109 C > T) resulting in a premature termination codon (R37X) and complete CETP deficiency. This HDL-like peak was not observed either in healthy volunteers treated with the CETP modulator dalcetrapib, patients heterozygous for the same mutation, or in patients heterozygous with G165X mutations. SEC RPA offers the possibility to investigate the distribution o...Continue Reading

Citations

Oct 8, 2013·Clínica e investigación en arteriosclerosis : publicación oficial de la Sociedad Española de Arteriosclerosis·Pablo Corral, Laura Schreier
Dec 1, 2019·Hepatology : Official Journal of the American Association for the Study of Liver Diseases·Mirko E MinnitiPaolo Parini

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