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. Author manuscript; available in PMC: 2010 Jul 20.
Published in final edited form as: J Nat Prod. 2005 Jun;68(6):947–950. doi: 10.1021/np050029m

Figure 4.

Figure 4

Effects of 1–5 on nuclear HIF-1α and HIF-1β proteins in the presence of 1,10-phenanthroline. Experimental procedures were as described for Figure 3 except that 1,10-phenanthroline (10 µM) was used to induce HIF-1α protein.