Literature DB >> 23475676

High-throughput fluorescence assay of cytochrome P450 3A4.

Qian Cheng1, F Peter Guengerich.   

Abstract

Microtiter plate-based fluorescence assays allow rapid measurement of the catalytic activities of cytochrome P450 oxygenases (P450s). We describe a high-throughput fluorescence assay of P450 3A4, one of the key enzymes involved in xenobiotic metabolism. The assay involves the oxidative debenzylation of 7-hydroxy-4-trifluoromethyl coumarin, producing an increase in fluorescence.

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Year:  2013        PMID: 23475676      PMCID: PMC4024206          DOI: 10.1007/978-1-62703-321-3_14

Source DB:  PubMed          Journal:  Methods Mol Biol        ISSN: 1064-3745


  15 in total

1.  Coumarin substrates for cytochrome P450 2D6 fluorescence assays.

Authors:  K Nakamura; I H Hanna; H Cai; Y Nishimura; K M Williams; F P Guengerich
Journal:  Anal Biochem       Date:  2001-05-15       Impact factor: 3.365

2.  Substrate-dependent modulation of CYP3A4 catalytic activity: analysis of 27 test compounds with four fluorometric substrates.

Authors:  D M Stresser; A P Blanchard; S D Turner; J C Erve; A A Dandeneau; V P Miller; C L Crespi
Journal:  Drug Metab Dispos       Date:  2000-12       Impact factor: 3.922

3.  Multiple P450 substrates in a single run: rapid and comprehensive in vitro interaction assay.

Authors:  Miia Turpeinen; Jouko Uusitalo; Uusitalo Jouko; Jorma Jalonen; Jalonen Jorma; Olavi Pelkonen; Pelkeonen Olavi
Journal:  Eur J Pharm Sci       Date:  2005-01       Impact factor: 4.384

4.  Comparison of cytochrome P450 inhibition assays for drug discovery using human liver microsomes with LC-MS, rhCYP450 isozymes with fluorescence, and double cocktail with LC-MS.

Authors:  Li Di; Edward H Kerns; Susan Q Li; Guy T Carter
Journal:  Int J Pharm       Date:  2006-11-10       Impact factor: 5.875

Review 5.  Cytochromes P450 and drug discovery.

Authors:  David C Lamb; Michael R Waterman; Steven L Kelly; F Peter Guengerich
Journal:  Curr Opin Biotechnol       Date:  2007-11-19       Impact factor: 9.740

Review 6.  In vitro evaluation of reversible and irreversible cytochrome P450 inhibition: current status on methodologies and their utility for predicting drug-drug interactions.

Authors:  Stephen Fowler; Hongjian Zhang
Journal:  AAPS J       Date:  2008-08-07       Impact factor: 4.009

7.  Microtiter plate assays for inhibition of human, drug-metabolizing cytochromes P450.

Authors:  C L Crespi; V P Miller; B W Penman
Journal:  Anal Biochem       Date:  1997-05-15       Impact factor: 3.365

8.  High-throughput fluorescence assay of cytochrome P450 3A4.

Authors:  Qian Cheng; Christal D Sohl; F Peter Guengerich
Journal:  Nat Protoc       Date:  2009-08-06       Impact factor: 13.491

9.  An automated, high-throughput, 384 well Cytochrome P450 cocktail IC50 assay using a rapid resolution LC-MS/MS end-point.

Authors:  Kuresh A Youdim; Richard Lyons; Leon Payne; Barry C Jones; Kenneth Saunders
Journal:  J Pharm Biomed Anal       Date:  2008-05-17       Impact factor: 3.935

10.  In vitro assessment of cytochrome P450 inhibition: strategies for increasing LC/MS-based assay throughput using a one-point IC(50) method and multiplexing high-performance liquid chromatography.

Authors:  Tong Lin; Kristine Pan; Joyce Mordenti; Lin Pan
Journal:  J Pharm Sci       Date:  2007-09       Impact factor: 3.534

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