Intraneuronal pyroglutamate-Abeta 3-42 triggers neurodegeneration and lethal neurological deficits in a transgenic mouse model.

Abstract excerpt

It is well established that only a fraction of Abeta peptides in the brain of Alzheimer's disease (AD) patients start with N-terminal aspartate (Abeta(1D)) which is generated by proteolytic processing of amyloid precursor protein (APP) by BACE. N-terminally truncated and pyroglutamate modified Abeta starting at position 3 and ending with amino acid 42 [Abeta(3(pE)-42)] have been previously shown to represent a...

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