articleProtein ScienceFeb 19, 2025HYBRID OA

Guide to the structural characterization of protein aggregates and amyloid fibrils by CD spectroscopy

Eötvös Loránd University · Synchrotron soleil

PubMed
Indexed incrossrefpubmed

Abstract

Protein aggregation and amyloid formation are linked to numerous degenerative diseases, such as Alzheimer's or Parkinson's disease. Additionally, protein aggregation plays a crucial role in various biological processes, such as storage of molecules or cell signaling. Protein molecules can form a wide range of aggregates, from oligomers of different sizes to non-specific aggregates and highly ordered cross-β structured amyloid fibrils with diverse morphologies. Circular dichroism (CD) spectroscopy is a widely used technique to study protein structures providing detailed information at the secondary structure level, and is ideal to distinguish and characterize protein aggregates. Despite its potential, CD…

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Authors

11

Topics & keywords

Keywords
  • Protein aggregation
  • Fibril
  • Circular dichroism
  • Amyloid fibril
  • Amyloid (mycology)
  • Chemistry
  • Biophysics
  • Protein secondary structure
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