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. 2011 Oct 6;6(10):e26055. doi: 10.1371/journal.pone.0026055

Figure 6. Effect of TSG on 6-OHDA-induced accumulation of intracellular NO (A).

Figure 6

Cells were exposed to 6-OHDA with or without different concentrations of TSG for 24 h. (B) Effect of L-NMMA on 6-OHDA-induced cell viability in PC12 cells. Cells were pretreated with different concentrations of L-NMMA for one hour and then incubated in 6-OHDA for an additional 24 h. Data are expressed as percentage of untreated control cells ± standard deviation (n = 6). **P<0.01 versus untreated control cells; # #P<0.01 versus 6-OHDA-treated cells.