TWO GENES CONTRIBUTE TO DIFFERENT EXTENTS TO THE HEME OXYGENASE ENZYME ACTIVITY MEASURED IN CULTURED HUMAN SKIN FIBROBLASTS AND KERATINOCYTES: IMPLICATIONS FOR PROTECTION AGAINST OXIDANT STRESS

Abstract excerpt

Activation of expression of the heme oxygenase (HO) gene appears to be involved in a cellular defense system in mammalian cells. We now demonstrate that while HO-1 mRNA levels are strongly inducible in dermal fibroblasts they are barely inducible in human epidermal keratinocytes following oxidative stress (UVA radiation and hydrogen peroxide). Paralleling this result was the observation that HO-2 mRNA levels were...

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