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. Author manuscript; available in PMC: 2006 Apr 1.
Published in final edited form as: Free Radic Biol Med. 2005 Dec 19;40(7):1250–1263. doi: 10.1016/j.freeradbiomed.2005.11.016

Fig. 1.

Fig. 1

Hemin increases the expression of HO-1. HaCaT keratinocytes were treated with hemin for 24 h. Hemin increased HO-1 expression in a dose-dependent manner as determined by RT-PCR (A). HO-1 protein level evaluated by Western blot analysis and ELISA (B and C, respectively) and HO activity measured in cell lysates (D) and by release of bilirubin into culture media (E) were also upregulated. Note inhibited HO activity after SnPPIX (10 μM) treatment. Means ± SE of three independent experiments. * P < 0.05 vs control, # P < 0.05 vs cells stimulated with hemin.