Cited by 224Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Amyloid precursor protein (APP) and the biology of proteolytic processing: relevance to Alzheimer’s disease

Ling, Yan, Morgan, Kevin, Kalsheker, Noor·2003·The International Journal of Biochemistry & Cell Biology

Abstract

The processing of amyloid precursor protein (APP) generates amyloid-beta (Abeta) peptides 1-40 and 1-42. The latter is neurotoxic and its accumulation results in amyloid fibril formation and the generation of senile plaques, the hallmark of Alzheimer's disease (AD). Whilst there has been considerable progress made in understanding the generation of Abeta by alpha-, beta- and gamma-secretase activity on APP, recently enzymes involved in the degradation of Abeta have been identified including neprilysin and insulin-degrading enzyme (IDE). We review the pathways involved in proteolytic processing of APP and discuss the potential implications of aberrant proteolysis on neurodegeneration. It is conceivable that single nucleotide polymorphisms (SNPs) in the regulatory regions of genes in these proteolytic cascades, which alter their expression, could contribute to some of the age-related changes seen in AD.

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Crossref · 10.1016/s1357-2725(03)00133-x

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312 of 312 references verified0 citation errors · 0 not checkable

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Authors
Ling, Y., Morgan, K., & Kalsheker, N.
Affiliations
University of Nottingham (GB)
Corresponding author
Morgan, Kevin
Venue
The International Journal of Biochemistry & Cell Biology
Publisher
Elsevier BV
Published
2003-11
Volume
35
Issue
11
Pages
1505-1535
ISSN
1357-2725 (ISSN-L)
OpenAlex
W2050373702
Cited by
224
References
315
Citations by year
2026: 4 · 2025: 10 · 2024: 6 · 2023: 11 · 2022: 5 · 2021: 12 · 2020: 3 · 2019: 6 · 2018: 13 · 2017: 8 · 2016: 9 · 2015: 5 · 2014: 14 · 2013: 14 · 2012: 8
FWCI
1.71
Type
journal article
Language
en
Open access
closed
Locations
  • The International Journal of Biochemistry & Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
amyloid precursor protein, Alzheimer's disease, amyloid-beta, proteolytic processing, alpha-secretase, beta-secretase, gamma-secretase, neprilysin, insulin-degrading enzyme, amyloid fibril formation, amyloid plaques, neurodegeneration, single nucleotide polymorphisms, gene expression regulation
MeSH terms
Alzheimer Disease, Animals, Humans, Endopeptidases, Protein Processing, Post-Translational, Aspartic Acid Endopeptidases, Amyloid beta-Protein Precursor, Amyloid Precursor Protein Secretases

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