Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
24
pubmed:dateCreated
2005-6-13
pubmed:abstractText
Sequential processing of amyloid precursor protein (APP) by membrane-bound proteases, BACE1 and gamma-secretase, plays a crucial role in the pathogenesis of Alzheimer disease. Much has been discovered on the properties of these proteases; however, regulatory mechanisms of enzyme-substrate interaction in neurons and their involvement in pathological changes are still not fully understood. It is mainly because of the membrane-associated cleavage of these proteases and the lack of information on new substrates processed in a similar way to APP. Here, using RNA interference-mediated BACE1 knockdown, mouse embryonic fibroblasts that are deficient in either BACE1 or presenilins, and BACE1-deficient mouse brain, we show clear evidence that beta subunits of voltage-gated sodium channels are sequentially processed by BACE1 and gamma-secretase. These results may provide new insights into the underlying pathology of Alzheimer disease.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
17
pubmed:volume
280
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
23009-17
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed-meshheading:15824102-Alzheimer Disease, pubmed-meshheading:15824102-Amino Acid Sequence, pubmed-meshheading:15824102-Amyloid Precursor Protein Secretases, pubmed-meshheading:15824102-Amyloid beta-Protein Precursor, pubmed-meshheading:15824102-Animals, pubmed-meshheading:15824102-Aspartic Acid Endopeptidases, pubmed-meshheading:15824102-Binding Sites, pubmed-meshheading:15824102-Blotting, Western, pubmed-meshheading:15824102-Brain, pubmed-meshheading:15824102-Cell Line, pubmed-meshheading:15824102-Cell Membrane, pubmed-meshheading:15824102-Cells, Cultured, pubmed-meshheading:15824102-Detergents, pubmed-meshheading:15824102-Endopeptidases, pubmed-meshheading:15824102-Fibroblasts, pubmed-meshheading:15824102-Genetic Vectors, pubmed-meshheading:15824102-Humans, pubmed-meshheading:15824102-Mice, pubmed-meshheading:15824102-Mice, Inbred C57BL, pubmed-meshheading:15824102-Mice, Knockout, pubmed-meshheading:15824102-Microscopy, Fluorescence, pubmed-meshheading:15824102-Molecular Sequence Data, pubmed-meshheading:15824102-Neurons, pubmed-meshheading:15824102-Phosphoric Monoester Hydrolases, pubmed-meshheading:15824102-Protein Binding, pubmed-meshheading:15824102-Protein Structure, Tertiary, pubmed-meshheading:15824102-RNA Interference, pubmed-meshheading:15824102-Sequence Homology, Amino Acid, pubmed-meshheading:15824102-Spectrometry, Mass, Matrix-Assisted Laser..., pubmed-meshheading:15824102-Transfection
pubmed:year
2005
pubmed:articleTitle
beta Subunits of voltage-gated sodium channels are novel substrates of beta-site amyloid precursor protein-cleaving enzyme (BACE1) and gamma-secretase.
pubmed:affiliation
Laboratories for Structural Neuropathology, RIKEN Brain Science Institute, Saitama, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't