“Quinacrine (an inhibitor of phospholipase A2), … of cytochrome P-450 enzymes), and 8-methoxypsoralen (an inhibitor of cytochrome P-… the potentiating effect of genistein on the isoproterenol-induced relaxation, but metyrapone (an inhibitor of cytochrome P-450 … inhibitor of cyclooxygenase), and AA861 (an inhibitor of 5-lipoxygenase) did not.”