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  • Title: NGF-differentiated and undifferentiated PC12 cells vary in induction of apoptosis by ethanol.
    Author: Oberdoerster J, Rabin RA.
    Journal: Life Sci; 1999; 64(23):PL 267-72. PubMed ID: 10372659.
    Abstract:
    The present study was undertaken to determine whether the neurotoxic effects of ethanol vary between undifferentiated and differentiated neurons. For this study, untreated rat pheochromocytoma (PC12) cells and PC12 cells treated for 8-10 days with nerve growth factor (NGF) were used as models of undifferentiated and differentiated neurons, respectively. Treatment of differentiated PC12 cells with 150 mM ethanol resulted in a loss of cells whereas a similar treatment of undifferentiated cells had no effect. In contrast, 50 mM ethanol enhanced apoptosis initiated by serum withdrawal in undifferentiated cells while a similar response in the differentiated cells required 150 mM ethanol. This study demonstrates that undifferentiated and differentiated neuronal cells differ in their sensitivity to the neurotoxic actions of ethanol.
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