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. Author manuscript; available in PMC: 2010 Jun 28.
Published in final edited form as: J Nat Prod. 2008 Nov 6;71(11):1854–1860. doi: 10.1021/np800342s

Figure 2. Concentration-response effects of 6 – 9 on tumor cell proliferation/viability.

Figure 2

Exponentially grown cells plated into 96-well plates were exposed to compounds at the concentrations indicated for 48 h under normoxic (5% CO2/95% Air, “Norm”) or hypoxic (1% O2/5% CO2/94% N2, “Hyp”) conditions, as appropriate. Cell viability was determined by the neutral red method except the MDA-MB-231 and PC-3 cell panel for compound 6. Data shown are averages from one representative experiment with each data point performed in triplicate and the bars represent standard error.