Tests
VLDL Apolipoprotein B Measurement
The determination of the amount of the apolipoprotein B in the very low density lipoprotein fraction of a biological specimen.
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Tests
The determination of the amount of the apolipoprotein B in the very low density lipoprotein fraction of a biological specimen.
Indicators
A water-soluble vitamin belonging to the vitamin B family, which occurs in many animal and plant tissues, with antihyperlipidemic activity. Niacin is converted to its active form niacinamide, which is a component of the coenzymes nicotinamide adenine dinucleotide (NAD) and its phosphate form, NADP. These coenzymes play an important role in tissue respiration and in glycogen, lipid, amino acid, protein, and purine metabolism. Although the exact mechanism of action by which niacin lowers cholesterol is not fully understood, it may act by inhibiting the synthesis of very low density lipoproteins (VLDL), inhibiting the release of free fatty acids from adipose tissue, increasing lipoprotein lipase activity, and reducing the hepatic synthesis of VLDL-C and LDL-C.
Tests
A quantitative measurement of the amount of very-low-density-lipid (VLDL) cholesterol present in a sample of serum.
Tests
The determination of the very low density lipoprotein cholesterol subtype 2 present in a sample.