apolipoprotein

[ ap-uh-lip-uh-proh-teen, -tee-in, -lahy-puh- ]

noun

, Biochemistry.

1. the lipid-free protein portion of a lipoprotein.

apolipoprotein

/ ˌæpəˌlɪpəʊˈprəʊtiːn; -ˌlaɪ- /

noun

1. any of a group of glycoproteins that form part of the structure of lipoproteins, some of which have been associated with Alzheimer's disease

apolipoprotein

/ ăp′ə-lĭp′ō-prō′tēn′,-lī′pō- /

1. Any of various proteins that combine with a lipid to form a lipoprotein, such as high density lipoprotein (HDL) and low density lipoprotein (LDL). Apolipoproteins are important in the transport of cholesterol in the body and the regulation of the level of cholesterol in cells and blood.

Word History and Origins

Origin of apolipoprotein¹

apo- + lipoprotein