1,3-Capryloyl-2-arachidonoyl glycerol activates alpha-secretase activity and suppresses Abeta40 secretion in A172 cells.

Abstract:

:Alzheimer's disease (AD) is characterized by the deposition of amyloid beta-peptide (Abeta), derived from amyloid precursor protein (APP). Membrane states, such as lipid components or membrane fluidity, are important for enzymes related to APP processing in meeting their substrates efficiently. We analyzed the effects of triglycerides combined with polyunsaturated fatty acids (PUFAs) and/or caprylic acids on APP proteolysis. Our results showed that 1,3-capryloyl-2-arachidonoyl glycerol (8A8) moderately increased alpha-secretase activity (18%) in A172 cells. beta-Secretase activity was not statistically significantly changed in HEK293 cells stably expressing BACE1. However, Abeta40 secretion decreased by 22%. Thus, we conclude that 8A8 is a useful lipid compound for activating alpha-secretase activity and suppressing Abeta40 secretion.

journal_name

Neurosci Lett

journal_title

Neuroscience letters

authors

Tanabe C,Ebina M,Asai M,Futai E,Sasagawa N,Katano K,Fukami H,Ishiura S

doi

10.1016/j.neulet.2008.11.039

subject

Has Abstract

pub_date

2009-02-06 00:00:00

pages

324-6

issue

3

eissn

0304-3940

issn

1872-7972

pii

S0304-3940(08)01607-8

journal_volume

450

pub_type

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