Highly pathogenic Alzheimer's disease presenilin 1 P117R mutation causes a specific increase in p53 and p21 protein levels and cell cycle dysregulation in human lymphocytes.

Abstract excerpt

Cell cycle (CC) reentry in neurons precedes the formation of amyloid-β (Aβ) plaques in Alzheimer's disease (AD). CC alterations were also detected in lymphocytes from sporadic AD patients. In the present study, we investigated the influence of nine presenilin 1 (PS1) mutations (P117R, M139V, L153V, H163R, S170F, F177L, I213F, L226F, E318G) on CC and Aβ production in immortalized B-lymphocytes from familial AD...

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