apolipoprotein

American  

[ap-uh-lip-uh-proh-teen, -tee-in, -lahy-puh-] / ˌæp əˌlɪp əˈproʊ tin, -ti ɪn, -ˌlaɪ pə- /

noun

Biochemistry.

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

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apolipoprotein British  

/ -ˌlaɪ-, ˌæpəˌlɪpəʊˈprəʊtiːn /

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

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apolipoprotein Scientific  

/ 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.

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Etymology

Origin of apolipoprotein

apo- + lipoprotein

Example Sentences

In addition, the study provides evidence that deficiency of apolipoprotein E, a protein involved in lipid metabolism results in a signature of accelerated endothelial aging.

From Science Daily

It picked up the well-known association between Alzheimer's and high cholesterol, through a variant form of the apolipoprotein E gene, APOE4.

From Science Daily

Advanced age and carrying the apolipoprotein ε4 risk gene are already known risk factors.

From Science Daily

It encodes the protein apolipoprotein E, which is involved in fat and cholesterol metabolism.

From Scientific American

APOE4 carriers have earlier and more abundant deposition of amyloid plaques because their version of apolipoprotein E decreases clearance of beta-amyloid from the brain and facilitates aggregation of the protein.

From Scientific American