lipoprotein(redirected from alpha lipoprotein)
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lip·o·pro·tein(lĭp′ō-prō′tēn′, -tē-ĭn, lī′pō-)
Any of a group of conjugated proteins in which at least one of the components is a lipid. Lipoproteins, classified according to their densities and chemical qualities, are the principal means by which lipids are transported in the blood.
(Biochemistry) any of a group of proteins to which a lipid molecule is attached, important in the transport of lipids in the bloodstream. They exist in two main forms: high-density lipoproteins and low-density lipoproteins. See also low-density lipoprotein
lip•o•pro•tein(ˌlɪp əˈproʊ tin, -ti ɪn, ˌlaɪ pə-)
any of the class of proteins that contain a lipid combined with a simple protein.
lip•o•pro•tein(a)(ˌlɪp əˌproʊ tinˈæ, -ti ɪnˈeɪ, ˌlaɪ pə-)
a plasma lipoprotein containing protein and cholesterol, high levels of which are associated with atherosclerosis.
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|Noun||1.||lipoprotein - a conjugated protein having a lipid component; the principal means for transporting lipids in the blood|
compound protein, conjugated protein - a protein complex combining amino acids with other substances
alpha-lipoprotein, HDL, high-density lipoprotein - a lipoprotein that transports cholesterol in the blood; composed of a high proportion of protein and relatively little cholesterol; high levels are thought to be associated with decreased risk of coronary heart disease and atherosclerosis
beta-lipoprotein, LDL, low-density lipoprotein - a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis