apolipoprotein

noun Biochemistry.

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

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

n.

1. The protein component that combines with a lipid to form a lipoprotein.

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.