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Alzheimer's disease is thought to be caused by β-amyloid peptide (Aβ)-dependent synaptic dysfunction. However, the signaling pathways connecting Aβ and synaptic dysfunction remain elusive. Here we report that Aβ transiently increases the expression level of centaurin-α1 (CentA1) in neurons, which
Eukaryotic cells express numerous ArfGAPs (ADP-ribosylation factor GTPase-activating proteins). There is increasing knowledge about the function of the brain-specific protein ADAP1 [ArfGAP with dual pleckstrin homology (PH) domain] as well as about its biochemical properties. The ADAP subfamily,
The mainly neuronally expressed protein p42(IP4) (centaurin α1; ADAP1), which interacts with the metalloendopeptidase nardilysin (NRD) was found to be localized in neuritic plaques in Alzheimer disease (AD) brains. NRD was shown to enhance the cleavage of the amyloid precursor protein (APP) by