TY - GEN AU - Dehal,S S AU - Kupfer,D TI - Cytochrome P-450 3A and 2D6 catalyze ortho hydroxylation of 4-hydroxytamoxifen and 3-hydroxytamoxifen (droloxifene) yielding tamoxifen catechol: involvement of catechols in covalent binding to hepatic proteins SN - 0090-9556 PY - 1999///0716 KW - Animals KW - Biotransformation KW - Catechols KW - metabolism KW - Cytochrome P-450 CYP2D6 KW - biosynthesis KW - Cytochrome P-450 CYP3A KW - Cytochrome P-450 Enzyme System KW - Estrogen Antagonists KW - pharmacokinetics KW - Humans KW - Hydroxylation KW - In Vitro Techniques KW - Liver KW - drug effects KW - Mixed Function Oxygenases KW - Pentobarbital KW - pharmacology KW - Protein Binding KW - Rats KW - Rats, Sprague-Dawley KW - Tamoxifen KW - analogs & derivatives N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S ER -