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. 1976 Aug;14(7-8):671-85.
doi: 10.1007/BF00485845.

Aryl hydrocarbon hydroxylase and 16alpha-hydroxylase in cultured human lymphocytes

M L Coomes, W A Mason, I E Muijsson, E T Cantrell, D E Anderson, D L Busbee

Aryl hydrocarbon hydroxylase and 16alpha-hydroxylase in cultured human lymphocytes

M L Coomes et al. Biochem Genet. 1976 Aug.

Abstract

Aryl hydrocarbon hydroxylase and 16alpha-hydroxylase were examined in intact, cultured human lymphocytes. The two microsomal mixed-function oxygenases had different pH optima and showed competitive inhibition for enzyme induction and activity. Population distributions were lognormal for both enzymes, giving apparent evidence for polygenic control. Induced levels of AHH were slightly higher among first-order relatives of lung or colon cancer patients than in the control group. The correlation coefficient (r) for AHH and SAH coinducibility was -0.08, indicating no correlation and suggesting the absence of association between the two enzymes in man.

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