apolipoprotein

[ap-uh-lip-uh-proh-teen, -tee-in, -lahy-puh-]
noun Biochemistry.
the lipid-free protein portion of a lipoprotein.

Origin:
apo- + lipoprotein

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World English Dictionary
apolipoprotein (ˌæpəˌlɪpəʊˈprəʊtiːn, -ˌlaɪ-)
 
n
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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American Heritage
Medical Dictionary

apolipoprotein ap·o·lip·o·pro·tein (āp'ə-lĭp'ō-prō'tēn', -tē-ĭn, -lī'pō-)
n.
The protein component that combines with a lipid to form a lipoprotein.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
apolipoprotein   (āp'ə-lĭp'ō-prō'tēn', -lī'pō-)  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Beta-amyloid is normally removed from the brain with the help of a molecule called apolipoprotein.
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