Aph-1, Pen-2, and Nicastrin with Presenilin Generate an Active γ-Secretase Complex
Open accessAbstract
Gamma-Secretase cleaves the Amyloid Precursor Protein (APP) in its transmembrane domain, releasing the amyloid peptide Abeta. Abeta is the main constituent of the amyloid plaques in the brains of patients suffering from Alzheimer's disease. Several other type I integral membrane proteins are also cleaved by this protease. Recent work indicates that gamma-Secretase is a multiprotein complex consisting of Presenilin, Nicastrin, Aph-1, and Pen-2 and that all four proteins are necessary for full proteolytic activity. Since several paralogs and alternatively spliced variants of at least Presenilin and Aph-1 have been identified as well, it is anticipated that gamma-Secretase is not a homogeneous activity. Gamma-Secretase is an interesting but complex drug target that challenges classical thinking about proteolytic processing and intracellular signaling.
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γ-secretase is presenilin 1 or 2 along with several other proteins that form the enzyme complex.
“while the γ-secretase has been identified as presenillin 1 or 2 (De Strooper et al., 1999) along with several other proteins that form the enzyme complex (De Strooper, 2003).”
From LRAD3, A Novel Low-Density Lipoprotein Receptor Family Member That Modulates Amyloid Precursor Protein Trafficking (2011) · cites this paper as De Strooper, 2003
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- Authors
- De Strooper, B.
- Venue
- Neuron
- Publisher
- Elsevier BV
- Published
- 2003-04
- Volume
- 38
- Issue
- 1
- Pages
- 9-12
- ISSN
- 0896-6273 (ISSN-L)
- OpenAlex
- W2030182984
- Cited by
- 965
- References
- 0
- Citations by year
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- FWCI
- 47.47
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Neuron (publishedVersion)
- PubMed (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- 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
- gamma-secretase, presenilin, nicastrin, APH-1, Pen-2, amyloid precursor protein, amyloid-beta, Alzheimer's disease, amyloid plaques, proteolytic processing, protease complex, therapeutic target
- MeSH terms
- Animals, Humans, Membrane Glycoproteins, Membrane Proteins, Peptide Hydrolases, Endopeptidases, Protein Binding, Aspartic Acid Endopeptidases, Presenilin-1, Presenilin-2, Amyloid Precursor Protein Secretases
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