Abstract
Characterization of cytochrome P-450-dependent aryl hydrocarbon hydroxylase (AHH) activity of pigeon skin was undertaken. Pigeon skin AHH activity was 77 and 57% higher than crow and mouse skin enzyme activity. Large variations in skin AHH activity of captured pigeons were observed; enzyme activity ranged from the lowest value of 0.13 to the highest value of 0.85. Pigeon skin AHH activity was found to be induced threefold by 3-methylcholanthrene. Results suggest that captured birds are differentially induced by type II inducers. The significance of these findings with respect to monitoring air pollution is discussed.
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