Molecular structure of amyloid fibrils: insights from solid-state NMR

R Tycko - Quarterly reviews of biophysics, 2006 - cambridge.org
1. Introduction 22. Sources of structural information in solid-state NMR data 52.1 General
remarks 52.2 Chemical shifts, linewidths, and magic-angle spinning 62.3 Dipole–dipole …

Structure and function of amyloid in Alzheimer's disease

C Morgan, M Colombres, MT Nuñez… - Progress in …, 2004 - Elsevier
This review is focused on the structure and function of Alzheimer's amyloid deposits.
Amyloid formation is a process in which normal well-folded cellular proteins undergo a self …

A structural model for Alzheimer's β-amyloid fibrils based on experimental constraints from solid state NMR

AT Petkova, Y Ishii, JJ Balbach… - Proceedings of the …, 2002 - National Acad Sciences
We present a structural model for amyloid fibrils formed by the 40-residue β-amyloid peptide
associated with Alzheimer's disease (Aβ1–40), based on a set of experimental constraints …

Experimental constraints on quaternary structure in Alzheimer's β-amyloid fibrils

AT Petkova, WM Yau, R Tycko - Biochemistry, 2006 - ACS Publications
We describe solid-state nuclear magnetic resonance (NMR) measurements on fibrils formed
by the 40-residue β-amyloid peptide associated with Alzheimer's disease (Aβ1-40) that …

Amyloid Fibril Formation by Aβ16-22, a Seven-Residue Fragment of the Alzheimer's β-Amyloid Peptide, and Structural Characterization by Solid State NMR

JJ Balbach, Y Ishii, ON Antzutkin, RD Leapman… - Biochemistry, 2000 - ACS Publications
The seven-residue peptide N-acetyl-Lys-Leu-Val-Phe-Phe-Ala-Glu-NH2, called Aβ16-22
and representing residues 16− 22 of the full-length β-amyloid peptide associated with …

Protein misfolding and aggregation in Alzheimer's disease and type 2 diabetes mellitus

G M. Ashraf, N H. Greig, T A. Khan… - CNS & Neurological …, 2014 - benthamdirect.com
In general, proteins can only execute their various biological functions when they are
appropriately folded. Their amino acid sequence encodes the relevant information required …

Multiple quantum solid-state NMR indicates a parallel, not antiparallel, organization of β-sheets in Alzheimer's β-amyloid fibrils

ON Antzutkin, JJ Balbach… - Proceedings of the …, 2000 - National Acad Sciences
Senile plaques associated with Alzheimer's disease contain deposits of fibrils formed by 39-
to 43-residue β-amyloid peptides with possible neurotoxic effects. X-ray diffraction …

On the nucleation of amyloid β‐protein monomer folding

ND Lazo, MA Grant, MC Condron, AC Rigby… - Protein …, 2005 - Wiley Online Library
Neurotoxic assemblies of the amyloid β‐protein (Aβ) have been linked strongly to the
pathogenesis of Alzheimer's disease (AD). Here, we sought to monitor the earliest step in Aβ …

Supramolecular structure in full-length Alzheimer's β-amyloid fibrils: evidence for a parallel β-sheet organization from solid-state nuclear magnetic resonance

JJ Balbach, AT Petkova, NA Oyler, ON Antzutkin… - Biophysical journal, 2002 - cell.com
We report constraints on the supramolecular structure of amyloid fibrils formed by the 40-
residue β-amyloid peptide associated with Alzheimer's disease (Aβ 1–40) obtained from …

Supramolecular structural constraints on Alzheimer's β-amyloid fibrils from electron microscopy and solid-state nuclear magnetic resonance

ON Antzutkin, RD Leapman, JJ Balbach, R Tycko - Biochemistry, 2002 - ACS Publications
We describe electron microscopy (EM), scanning transmission electron microscopy (STEM),
and solid-state nuclear magnetic resonance (NMR) measurements on amyloid fibrils formed …