Journal
CURRENT OPINION IN NEUROBIOLOGY
Volume 14, Issue 5, Pages 582-588Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.conb.2004.08.001
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The amyloid-beta precursor protein is proteolytically cleaved by secretases, resulting in a series of fragments, including the amyloid-P peptide of Alzheimer's disease. The amyloid precursor protein, when membrane anchored, could operate as a receptor. After cleavage, the soluble ectodomain exerts a trophic function in the subventricular zone. The amyloid-beta peptide itself has a depressant role in synaptic transmission, with both physiological and pathological implications. During the past two years, much time has been invested in determining the molecular pathways that regulate the processing and the signal transcluction of the amyloid precursor protein. However, the absence of consistent and informative phenotypes in different loss of function animal models make elucidating the molecular actions of the amyloid-p precursor protein an ongoing challenge.
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