A turbidimetric method is described for the determination of apolipoproteins A-I, A-II and B on microtitre plates. Regression analysis of the resulting values showed a good correlation to apolipoprotein values determined turbidimetrically on Cobas Bio (apolipoprotein A-I, A-II), and those determined by means of radial immuno diffusion (RID) (apolipoprotein A-I: r = 0.93, y = 1.02 x - 5.0, n = 6...

A competitive enzyme immunoassay for apolipoprotein A-II was developed. Microtitre plates were used as a solid phase and coated with anti-apolipoprotein A-II antibodies. Purified apolipoprotein A-II, labelled with horseradish peroxidase was used as competing ligand. The assay was examined with respect to the optimal amounts of specific anti-apolipoprotein A-II antibodies and apolipoprotein A-II...

We investigated the molecular defect causing high density lipoprotein cholesterol (HDL-C) deficiency in a male proband and his family members. Amplification and sequencing of genomic DNA disclosed a novel base-pair substitution at residue 159 in the apolipoprotein (apo) A-I gene. This substitution resulted in the loss of an AviII restriction site and a predicted substitution of leucine with pro...

The impetus for discovery and evaluation of protein biomarkers has been accelerated by recent development of advanced technologies for rapid and broad proteome analyses. Mass spectrometry (MS)-based protein assays hold great potential for in vitro biomarker studies. Described here is the development of a multiplex mass spectrometric immunoassay (MSIA) for quantification of apolipoprotein C-I (a...

Apolipoprotein (apo) C-II is a cofactor for lipoprotein lipase, the enzyme that catalyzes the hydrolysis of triglycerides on plasma triglyceride-rich lipoproteins. The complete coding sequence of apoC-II mRNA has been determined from an apoC-II clone isolated from a human liver cDNA library. A 17-base-long synthetic oligonucleotide based on amino acid residues 5-10 of apoC-II was utilized as a ...

etar Alaupovic, an internationally renowned biochemist and lipidologist, died on January 30, 2014, in Oklahoma City at the age of 91 years. Dr Alaupovic was a founder of the modern field of lipoproteins whose ideas continue to have an impact on its development. He performed research and taught at Oklahoma Medical Research Foundation since 1960. In 1964, Dr Alaupovic, known to his colleagues as ...

Background/Aims Changes in lipid profiles in patients infected with hepatitis C virus (HCV) during direct-acting antiviral therapy have been reported in recent years. However, the clinical aspects of disturbed lipid metabolism in chronic HCV infection have not been fully elucidated. Methods Dynamic changes in serum total, low-density lipoprotein (LDL), and high-density lipoprotein (HDL) chole...

Lipid and apolipoprotein serum levels as a consequence of excessive nutrition in the overweight individuals with familial combined hyperlipidemia (FCHL) in comparison with the obese ones are studied only sporadically. In this study, the effect of overweight and obesity in subjects with FCHL on serum lipids and apolipoproteins was investigated. The participants were 36 overweight and 10 obese me...