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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Neurotoxicology. 2010 Dec 13;32(5):518–525. doi: 10.1016/j.neuro.2010.11.008

Fig. 1.

Fig. 1

A-D. In vitro pretreatment with γ-GC reverses the decreased GSH levels in astrocytes and neurons after exposure to H2O2. Intracellular GSH levels were measured in astrocytes (A) and neurons (C) after exposure to H2O2 for 4 hours with/without pretreatment with γ-GC for 2 hours and normalized to the untreated control cells. Reduced:oxidized GSH ratio was determined in astrocytes (B) and neurons (D) after exposure to H2O2 for 4 hours with/without a 2 hour pretreatment with γ-GC. Asterisks indicate statistical significance (p < 0.05) as compared to untreated controls. ‡ indicates statistical significance (p < 0.05) as compared to H2O2-only treated groups.