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. 2012 Sep 18;7(9):e45331. doi: 10.1371/journal.pone.0045331

Figure 2. Hypoxia increases SIRT1 expression in lung cancer-derived ECs.

Figure 2

(A) Western blot analysis of SIRT1 in lung cancer-derived ECs exposed to hypoxia (2% O2) for the indicated time using an antibody against SIRT1. (B) SIRT1 mRNA levels, as measured by real-time RT-PCR, of total RNA obtained from lung cancer-derived ECs exposed to hypoxia (2% O2) for the indicated time period. The data represent the average of three independent experiments from each time point performed in triplicate. * P<0.05 as compared to the control.