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Valproic acid-mediated Hsp70 induction and anti-apoptotic neuroprotection in SH-SY5Y cells.

FEBS letters 2005 Dec 19; 579(30):6716-20

Link to PubMed abstract

Pan T T, Li X X, Xie W W, Jankovic J J, Le W W

Parkinson Disease Research Laboratory, Department of Neurology, Baylor College of Medicine, Houston, TX 77030, USA.

Valproic acid (VPA), an anticonvulsant and mood-stabilizing drug, has been reported to exert neuroprotection against a variety of insults. We now show that VPA attenuates rotenone (a potent complex I inhibitor)-induced apoptosis through the induction of heat shock protein 70, which may interact with apoptotic-protease-activating factor 1. Activation of p-Akt, p-Bcl-2, as well as p-Erk1/2 by VPA may be co-contributors to the protection.