Ovine colostrum nanopeptide affects amyloid beta aggregation.

Abstract:

:A colostral proline-rich polypeptide complex (PRP) consisting of over 30 peptides shows beneficial effects in Alzheimer's disease (AD) patients when administered in the form of sublinqual tablets called Colostrinin. The aim of the present studies was to investigate whether nanopeptide fragment of PRP (NP) - one of the PRP complex components can affect aggregation of amyloid beta (Abeta1-42). The effect of NP on Abeta aggregation was studied using Thioflavin T (ThT) binding, atomic force microscopy, and analyzing circular dichroism spectra. Results presented suggest that NP can directly interact with amyloid beta, inhibit its aggregation and disrupt existing aggregates acting as a beta sheet breaker and reduce toxicity induced by aggregated forms of Abeta.

journal_name

FEBS Lett

journal_title

FEBS letters

authors

Janusz M,Woszczyna M,Lisowski M,Kubis A,Macała J,Gotszalk T,Lisowski J

doi

10.1016/j.febslet.2008.11.053

subject

Has Abstract

pub_date

2009-01-05 00:00:00

pages

190-6

issue

1

eissn

0014-5793

issn

1873-3468

pii

S0014-5793(08)00981-2

journal_volume

583

pub_type

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