Fig 4. Hypoxia, NiCl2 and CoCl2 increased levels of HIF-1α and HIF-2α proteins.
HaCaT cells were treated with hypoxia (1% O2), NiCl2 and CoCl2 (1 mM) for 8 h. The expression of HIF-α and actin proteins were determined by western blot.
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