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

noun Biochemistry.

the lipid-free protein portion of a lipoprotein.

Origin of apolipoprotein

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for apolipoprotein


/ (ˌæpəˌlɪpəʊˈprəʊtiːn, -ˌlaɪ-) /


any of a group of glycoproteins that form part of the structure of lipoproteins, some of which have been associated with Alzheimer's disease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for apolipoprotein


[ ăp′ə-lĭp′ō-prōtēn′, -lī′pō- ]


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.

Science definitions for apolipoprotein


[ ăp′ə-lĭp′ō-prōtēn′, -lī′pō- ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.