Rapid formation of a preoligomeric peptide-metal-peptide complex following copper(II) binding to amyloid β peptides

Jeppe Trudslev Pedersen, Kaare Teilum, Niels H. H. Heegaard, Jesper Østergaard, Hans-Werner Adolph, Lars Bo Stegeager Hemmingsen

57 Citationer (Scopus)

Abstract

Cu II connects peptides: The mechanism of binding of Cu II to amyloid β peptides (Aβ) implicated in Alzheimer's disease was elucidated by stopped-flow spectroscopy, NMR relaxation, and simulation of the kinetics on the millisecond timescale. Two monomeric Cu-Aβ species and a dimeric Aβ-Cu-Aβ species were identified (see picture). Aberrant aggregation apparently occurs from the monomeric species.

OriginalsprogEngelsk
TidsskriftAngewandte Chemie International Edition
Vol/bind50
Udgave nummer11
Sider (fra-til)2532-2535
Antal sider4
ISSN1433-7851
DOI
StatusUdgivet - 7 mar. 2011

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