Summary

Name APP
Full Name Amyloid-beta precursor protein
Synonyms ABPP, APPI, APP, Alzheimer disease amyloid protein, Amyloid precursor protein, Beta-amyloid precursor protein, Cerebral vascular amyloid peptide, CVAP, PreA4, Protease nexin-II, PN-II | A4, AD1
Primary ID P05067
Links - -
Type protein
Relations 56
Pathways Alzheimer
Inhibitors Avagacestat; 471905-41-6; (2S)-2-hydroxy-3-methyl-N-[(2S)-1-[[(5S)-3-methyl-4-oxo-2,5-dihydro-1H-3-benzazepin-5-yl]amino]-1-oxopropan-2-yl]butanamide; DAPT
Function Functions as a cell surface receptor and performs physiological functions on the surface of neurons relevant to neurite growth, neuronal adhesion and axonogenesis. Interaction between APP molecules on neighboring cells promotes synaptogenesis (PubMed:25122912). Involved in cell mobility and transcription regulation through protein-protein interactions. Can promote transcription activation through binding to APBB1-KAT5 and inhibits Notch signaling through interaction with Numb. Couples to apoptosis-inducing pathways such as those mediated by G(O) and JIP. Inhibits G(o) alpha ATPase activity (By similarity). Acts as a kinesin I membrane receptor, mediating the axonal transport of beta-secretase and presenilin 1 (By similarity). By acting as a kinesin I membrane receptor, plays a role in axonal anterograde transport of cargo towards synapes in axons (PubMed:17062754, PubMed:23011729). Involved in copper homeostasis/oxidative stress through copper ion reduction. In vitro, copper-metallated APP induces neuronal death directly or is potentiated through Cu(2+)-mediated low-density lipoprotein oxidation. Can regulate neurite outgrowth through binding to components of the extracellular matrix such as heparin and collagen I and IV. The splice isoforms that contain the BPTI domain possess protease inhibitor activity. Induces a AGER-dependent pathway that involves activation of p38 MAPK, resulting in internalization of amyloid-beta peptide and leading to mitochondrial dysfunction in cultured cortical neurons. Provides Cu(2+) ions for GPC1 which are required for release of nitric oxide (NO) and subsequent degradation of the heparan sulfate chains on GPC1.

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Regulator Mechanism target score ℹ
+ down-regulates quantity by destabilization img/direct_inhibition.png cleavage APP 0.478
Publications: 12 Organism: In Vitro
+ up-regulates activity img/direct-activation.png cleavage APP 0.478
Publications: 9 Organism: In Vitro
+ up-regulates activity img/direct-activation.png cleavage APP 0.806
Publications: 2 Organism: Homo Sapiens,
+ up-regulates activity img/direct-activation.png cleavage APP 0.734
Publications: 1 Organism: In Vitro
+ up-regulates activity img/direct-activation.png cleavage APP 0.532
Publications: 4 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png phosphorylation APP 0.381
Publications: 1 Organism: Homo Sapiens
+ up-regulates img/direct-activation.png phosphorylation APP 0.725
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation APP 0.2
Publications: 1 Organism: Homo Sapiens
+