by Perelman School of Medicine at the University of Pennsylvania PBA treatment reduces PERK activity and increases XBP1s in the hippocampus of APPNL-G-F knock-in (KI) mice. Confocal images of the hippocampus across groups. (A) BiP in the CA3. (B) p-PERK in the CA3. (C) ATF4 in the CA1. (D) XBP1s in the CA3. (E) ADAM10 in...