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Original Articles

Interaction of Modified Cyclodextrins with Cytochrome P-450

, &
Pages 246-248 | Received 14 Sep 2004, Accepted 06 Nov 2004, Published online: 22 May 2014
 

Abstract

The effects of modified cyclodextrins (CDs) hydroxypropyl-β-CD and methyl-β-CD were studied in vitro on cDNA-expressed human cytochrome P-450 (CYP) activities (CYP1A2, CYP2C9, CYP2C19, CYP2D6, and CYP3A4). The modified CDs inhibited the activities of CYP2C19 and CYP3A4 while enhancing CYP2C9 activity by 140 to 176% relative to the control values at lower concentrations. In addition, methyl-β-CD inhibited CYP1A2 and CYP2D6 at higher concentrations.

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