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β-amyloid peptide decreases membrane fluidity

Müller, W. E. and Koch, S. and Eckert, A. and Hartmann, H. and Scheuer, K.. (1995) β-amyloid peptide decreases membrane fluidity. Brain research, Vol. 674, no. 1. S. 133-136.

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Official URL: http://edoc.unibas.ch/dok/A5253516

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Abstract

The beta-amyloid peptide-25-35 (beta A25-35) decreases the fluidity of mouse brain membranes in a concentration-depending fashion. First effects were already seen at a beta A25-35 concentration of 100 nmol/1. beta-Amyloid peptide(1-40) was similarly active. beta A25-35 also decreases the fluidity of human lymphocyte membranes and of membranes from the cortex, hippocampus, striatum, and cerebellum of the rat, although the effects in the rat cerebellum are only weak. Scrambled beta A25-35 when investigated under similar conditions showed no effects on membrane fluidity. It is suggest that the effect on cellular calcium-signalling but also the neurotoxic properties of beta-amyloid might be the result of its concentration depending effects on membrane properties.
Faculties and Departments:03 Faculty of Medicine > Bereich Psychiatrie (Klinik) > Erwachsenenpsychiatrie UPK
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Psychiatrie (Klinik) > Erwachsenenpsychiatrie UPK
UniBasel Contributors:Eckert, Anne
Item Type:Article, refereed
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:0006-8993
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:24
Deposited On:22 Mar 2012 13:40

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