Katsuhiro Ohyama

Roles of NADPH-P450 Reductase and Apo- and Holo-Cytochrome b5 on Xenobiotic Oxidations Catalyzed by 12 Recombinant Human Cytochrome P450s Expressed in Membranes of Escherichia coli

Hiroshi Yamazaki, Mami Nakamura, Tomoko Komatsu et al. · Protein Expression and Purification · 2002 · 232 citations

Aldo-keto Reductase, Biochemistry, Biochemical Genetics +7

Inhibitory effects of amiodarone and its <i>N</i>‐deethylated metabolite on human cytochrome P450 activities: Prediction of <i>in vivo</i> drug interactions

Katsuhiro Ohyama, Mitsutoshi Nakajima, Mikie Suzuki et al. · British Journal of Clinical Pharmacology · 2000 · 189 citations · Full text

A Significant Role of Human Cytochrome P450 2C8 in Amiodarone N-Deethylation: An Approach to Predict the Contribution with Relative Activity Factor

Katsuhiro Ohyama, Miki Nakajima, Sumika Nakamura et al. · Drug Metabolism and Disposition · 2000 · 167 citations

Cytochrome P450-depedent Drug Oxidation Activity of Liver Microsomes from Microminipigs, A Possible New Animal Model for Humans in Non-clinical Studies

Norie Murayama, Naoki Kaneko, Kana Horiuchi et al. · Drug Metabolism and Pharmacokinetics · 2009 · 45 citations

Inhibitory Effects of Azelastine and Its Metabolites on Drug Oxidation Catalyzed by Human Cytochrome P-450 Enzymes

Miki Nakajima, Katsuhiro Ohyama, Sumika Nakamura et al. · Drug Metabolism and Disposition · 1999 · 30 citations