Surface Effects on Aggregation Kinetics of Amyloidogenic Peptides
نویسندگان
چکیده
منابع مشابه
Primary Nucleation Kinetics of Short Fibril-Forming Amyloidogenic Peptides.
The primary nucleation step in amyloid fibril formation can, depending on the nature of peptide sequence, occur in one step, straight from a dilute solution, or in multiple steps, via oligomers or disordered aggregates. The precise kinetic pathways of these processes are poorly understood. Employing forward flux sampling and a midresolution coarse-grained force field, we analyzed the reactive p...
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Small with control: For miniaturization of protein aggregation experiments the interfacial chemistry must be controlled to avoid protein aggregation caused by interfacial adsorption. Plug-based microfluidics with defined surface chemistry (see schematic picture) can then be used to perform hundreds of aggregation experiments with volume-limited samples, such as cerebrospinal fluid from mice.
متن کاملThe primary nucleation kinetics of short fibril-forming amyloidogenic peptides
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Peptide/protein aggregation is implicated in many amyloid diseases. Some amyloidogenic peptides/proteins, such as those implicated in Alzheimer's and Parkinson's diseases, contain multiple amyloidogenic domains connected by "linker" sequences displaying high propensities to form turn structures. Recent studies have demonstrated the importance of physicochemical properties of each amino acid con...
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Amyloid fibrils are insoluble mainly beta-sheet aggregates of proteins or peptides. The multi-step process of amyloid aggregation is one of the major research topics in structural biology and biophysics because of its relevance in protein misfolding diseases like Alzheimer's, Parkinson's, Creutzfeld-Jacob's, and type II diabetes. Yet, the detailed mechanism of oligomer formation and the influen...
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ژورنال
عنوان ژورنال: Journal of the American Chemical Society
سال: 2014
ISSN: 0002-7863,1520-5126
DOI: 10.1021/ja505502e