Abstract
The process of protein misfolding and aggregation has been associated with an increasing number of pathological conditions that include Alzheimers and Parkinsons diseases, and type II diabetes. In addition, the discovery that proteins unrelated to any known disorder can be converted into aggregates of morphologies similar to those found in diseased tissue has lead to the recognition that this type of assemblies represents a generic state of polypeptide chains. Therefore, despite the enormous complexity of the in vivo mechanisms that have evolved in living organisms to prevent and control the formation of protein aggregates, the process of aggregation itself appears ultimately to be caused by intrinsic properties of polypeptide chains, in particular by the tendency of the backbone to form hydrogen bonds, and be modulated by the presence of specific patterns of hydrophobic and charged residues. Theoreticians have just recently started to respond to the challenge of identifying the determinants of the aggregation process. In this review, we provide an account of the theoretical results obtained so far.
Keywords: Protein misfolding, protein aggregation, amyloid fibrils, molecular dynamics, sensitive regions for aggregation, aggregation propensity, aggregation mechanism
Protein & Peptide Letters
Title: Theoretical Approaches to Protein Aggregation
Volume: 13 Issue: 3
Author(s): Joerg Gsponer and Michele Vendruscolo
Affiliation:
Keywords: Protein misfolding, protein aggregation, amyloid fibrils, molecular dynamics, sensitive regions for aggregation, aggregation propensity, aggregation mechanism
Abstract: The process of protein misfolding and aggregation has been associated with an increasing number of pathological conditions that include Alzheimers and Parkinsons diseases, and type II diabetes. In addition, the discovery that proteins unrelated to any known disorder can be converted into aggregates of morphologies similar to those found in diseased tissue has lead to the recognition that this type of assemblies represents a generic state of polypeptide chains. Therefore, despite the enormous complexity of the in vivo mechanisms that have evolved in living organisms to prevent and control the formation of protein aggregates, the process of aggregation itself appears ultimately to be caused by intrinsic properties of polypeptide chains, in particular by the tendency of the backbone to form hydrogen bonds, and be modulated by the presence of specific patterns of hydrophobic and charged residues. Theoreticians have just recently started to respond to the challenge of identifying the determinants of the aggregation process. In this review, we provide an account of the theoretical results obtained so far.
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Cite this article as:
Gsponer Joerg and Vendruscolo Michele, Theoretical Approaches to Protein Aggregation, Protein & Peptide Letters 2006; 13 (3) . https://dx.doi.org/10.2174/092986606775338407
DOI https://dx.doi.org/10.2174/092986606775338407 |
Print ISSN 0929-8665 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5305 |
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Protein & Peptide Letters