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Amyloid as a natural product

Academic Article
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Overview

authors

  • Kelly, Jeffery
  • Balch, William E.

publication date

  • May 2003

journal

  • Journal of Cell Biology  Journal

abstract

  • Amyloid fibrils, such as those found in Alzheimer's and the gelsolin amyloid diseases, result from the misassembly of peptides produced by either normal or aberrant intracellular proteolytic processing. A paper in this issue by Marks and colleagues (Berson et al., 2003) demonstrates that intra-melanosome fibrils are formed through normal biological proteolytic processing of an integral membrane protein. The resulting peptide fragment assembles into fibrils promoting the formation of melanin pigment granules. These results, along with the observation that amyloid fibril formation by bacteria is highly orchestrated, suggest that fibril formation is an evolutionary conserved biological pathway used to generate natural product nanostructures.

subject areas

  • Amyloid
  • Animals
  • Bacterial Proteins
  • Eukaryotic Cells
  • Humans
  • Melanosomes
  • Microfibrils
  • Peptide Fragments
  • Prokaryotic Cells
  • Protein Folding
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Identity

PubMed Central ID

  • PMC2172945

International Standard Serial Number (ISSN)

  • 0021-9525

Digital Object Identifier (DOI)

  • 10.1083/jcb.200304074

PubMed ID

  • 12743097
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Additional Document Info

start page

  • 461

end page

  • 462

volume

  • 161

issue

  • 3

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