Nerve growth factor-independent reduction in choline acetyltransferase activity in PC12 cells expressing mutant presenilin-1.

Abstract excerpt

Mutations in the presenilin genes (PS-1 and PS-2) are linked to early onset familial Alzheimer's disease (AD), but the mechanisms by which these mutations cause the cognitive impairment characteristic of AD are unknown. Basal forebrain cholinergic neurons are involved in learning and memory processes, and reductions in choline acetyl-transferase (ChAT) activity are a characteristic feature of AD brain. We...

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