Presenilin 1 (PSEN1)

FAD; AD3; PS1; PSNL1; S182; Alzheimer Disease 3; Protein S182; Presenilin-1 CTF12
Presenilin 1 (PSEN1)
Alzheimer's disease (AD) patients with an inherited form of the disease carry mutations in the presenilin proteins (PSEN1; PSEN2) or in the amyloid precursor protein (APP). These disease-linked mutations result in increased production of the longer form of amyloid beta (main component of amyloid deposits found in AD brains). Presenilins are postulated to regulate APP processing through their effects on gamma secretase, an enzyme that cleaves APP. Also, it is thought that the presenilins are involved in the cleavage of the Notch receptor, such that they either directly regulate gamma secretase activity or themselves are protease enzymes. Multiple alternatively spliced transcript variants have been identified for this gene, the full-length natures of only some have been determined.
Organism species: Homo sapiens (Human)
Organism species: Mus musculus (Mouse)
Organism species: Rattus norvegicus (Rat)
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