Structures of oligomers of a peptide from β-amyloid

JD Pham, N Chim, CW Goulding… - Journal of the American …, 2013 - ACS Publications
… of oligomers formed by amyloid-β peptide (Aβ), we have incorporated a key amyloidogenic
region of Aβ into a macrocyclic peptide that stabilizes oligomers … of oligomers and oligomer

Structural studies of soluble oligomers of the Alzheimer β-amyloid peptide

THJ Huang, DS Yang, NP Plaskos, S Go… - Journal of molecular …, 2000 - Elsevier
… fibril formation under conditions where soluble Aβ40 oligomers are stable We find that soluble
Aβ40 oligomers are significantly populated at peptide concentrations ⩽20 μM and at pH 3 …

Structural characterization of a soluble amyloid β-peptide oligomer

…, JE Harlan, TF Holzman, AP Lopez, B Labkovsky… - Biochemistry, 2009 - ACS Publications
… that can form insoluble fibrils or soluble oligomeric assemblies. Soluble forms are present
in … of amyloid β-peptides. Using NMR, we have characterized soluble oligomers of Aβ …

Exploring amyloid oligomers with peptide model systems

TD Samdin, AG Kreutzer, JS Nowick - Current opinion in chemical biology, 2021 - Elsevier
… of many of the oligomers that form. This review highlights recent investigations of peptide
model systems that have helped advance our knowledge of amyloid oligomers. …

Stabilities and conformations of Alzheimer's β-amyloid peptide oligomers (Aβ1622, Aβ16–35, and Aβ1035): Sequence effects

B Ma, R Nussinov - … of the National Academy of Sciences, 2002 - National Acad Sciences
… seed and the mechanism of seed growth with a multilayer β-sheet model. Under high … of
possible amyloid forms. Here, we report our study of oligomers of Alzheimer's amyloid β-peptide (…

Polymorphism of oligomers of a peptide from β-amyloid

JD Pham, B Demeler, JS Nowick - Journal of the American …, 2014 - ACS Publications
… of oligomers of a family of peptides derived from the β-amyloid peptide (Aβ). We had previously
reported the X-ray crystallographic structures of the oligomers and oligomer assemblies …

Designing peptide inhibitors for oligomerization and toxicity of Alzheimer's β-amyloid peptide

BM Austen, KE Paleologou, SAE Ali, MM Qureshi… - Biochemistry, 2008 - ACS Publications
… The aim of the work reported here was to design short synthetic peptidesoligomeric
species. Recently, we successfully designed peptide inhibitors that can block the oligomerization

Fractionation and characterization of oligomeric, protofibrillar and fibrillar forms of β-amyloid peptide

RV Ward, KH JENNINGS, R JEPRAS… - Biochemical …, 2000 - portlandpress.com
β-amyloid (Aβ) peptide is a 39–43-amino-acid peptide derived from the proteolytic cleavage
of the amyloid … the peptide [7,8], the identity of the active species is unclear. Fibrillar synthetic …

Oligomerization and toxicity of β-amyloid-42 implicated in Alzheimer's disease

OMA El-Agnaf, DS Mahil, BP Patel… - … and biophysical research …, 2000 - Elsevier
peptides in high initial purity and yield, requiring only minimal further purification. The synthetic
peptides … which reports early stages in the oligomerization of Aß42 and Aß40. Finally, the …

Beta amyloid oligomers and fibrils stimulate differential activation of primary microglia

CM Sondag, G Dhawan, CK Combs - Journal of neuroinflammation, 2009 - Springer
… For example, our results demonstrated that oligomeric peptide was toxic to neurons when
viability was assessed via cell counting but was not toxic when cell death was determined by …