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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Glyceraldehyde-3-phosphate dehydrogenase is over-expressed during apoptotic death of neuronal cultures and is recognized by a monoclonal antibody against amyloid plaques from Alzheimer's brain.

The age-induced apoptotic death of cerebellar neurons in culture is associated with over-expression of a 38-kDa particulate protein identified as glyceraldehyde-3-phosphate dehydrogenase ( GAPDH). Both the age-induced apoptosis and the 38-kDa protein overexpression were effectively suppressed by the presence of tetrahydroaminoacridine, an antidementia drug, or aurintricarboxylic acid. This over-expressed 38-kDa protein and purified GAPDH were found to react with a monoclonal antibody (mAb), Am-3, which was raised against amyloid plaques from Alzheimer's brain, but not with mAb, AmT-1, which was produced using synthetic amyloid beta peptide. These results raise the possibility that GAPDH is also involved in the neurodegeneration during the development of Alzheimer's disease.[1]


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