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Cypex - in vitro drug metabolism systems
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Publications using our products:
 

 

 

Bactosomes, Antibodies, Other

 

Bactosomes:

Papers:

Sulfamethoxazole and its Metabolite Nitroso Sulfamethoxasole Stimulate Dendritic Cell Costimulatory Signaling.
J. p. Sanderson, D. J. Naisbitt, J. Farrell, C. A. Ashby, M. J. Tucker, M. J. Rieder, M. Pirmohamed, S. E. Clarke & B. K. Park
(Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, UK. GlaxoSmithKline, Drug Metabolism & Pharmacokinetics, Ware, Herts, UK.
Dept Medicine, University of Western Ontario, London, Ontario, Canada.)

Journal of Immunology (2007)
Vol 178, p5533 - 5542
(Details use of Bactosomes for time dependent inhibition studies)

Study on the Cytochrome P450 Mediated Oxidative Metabolism of the Terpene Alcohol Linalool: Indication of Biological Epoxidation.
R. J. W. Meesters, M. Duisken & J. Hollender
(Institute of Hygiene & Environmental Medicine, RWTH Aachen University, Aachen, Germany.
LECO Instrumente GmbH, Mönchengladbach, Germany.
Swiss Federal Institute of Aquatic Science and Technology, Eawag, Dübendorf, Switzerland)

Xenobiotica (2007)
Vol 37 (6), p604 - 617

Comparitive Analysis of Substrate & Inhibitor Interactions with CYP3A4 and CYP3A5.
M. G. Soars, K. Grime & R. J. Riley
(Department of Physical & Metabolic Science, AstraZeneca R & D, Charnwood, Loughborough, Leicestershire, UK)
Xenobiotica (2006)
Vol 36 (4), p287 - 299

Prediction of CYP2C9-mediated Drug-drug Interactions: A Comparison Using Data from Recombinant Enzymes and Human Hepatocytes. (Downloadable as a pdf)
D. McGinnity, J. Tucker, S. Trigg & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom)
Drug Metabolism & Disposition (2005)
Vol 33, No. 11, p1700 - 1707

Automated Assessment of Time-Dependent Inhibition of Human Cytochrome P450 Enzymes Using Liquid Chromatography-Tandem Mass Spectrometry Analysis. (Downloadable as a pdf)
A. Atkinson, J. R. Kenny & K. Grime
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom)
Drug Metabolism & Disposition (2005)
Vol 33, No. 11, p1637 - 11647

Pre-clinical Assessment of DRF 4367, a Novel COX-2 Inhibitor: Evaluation of Pharmacokinetics, Absolute Oral Bioavailablity and Metabolism in Mice and Comparitive Inter-species in vitro Metabolism.(Downloadable as a pdf)
R. Bhamidipati, S. Mujeeb, P. V. Dravid, A. A. Khan, S. K. Singh, Y. K. Rao, R. Mullangi & N. R. Srinivas
(Drug Metabolism & Pharmacokinetics, Discovery Research, Dr Reddy's Laboratories Ltd, Miyapur, Hyderabad, India)
Xenobiotica (2005)
Vol 35 (3), p271 - 253

Metabolism of D3-Carene by Human Cytochrome P450 Enzymes: Identification and Characterisation of Two New Metabolites.(Downloadable as a pdf)
M. Duisken, D. Benz, T. H. Peiffer, B. Blömeke & J. Hollender
(Institute of Hygiene and Environmental Medicine, RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany)
Current Drug Metabolism (2005)
Vol 6, p593 - 601

Metabolism of 1,8-Cineole by Human Cytochrome P450 Enzymes: Identification of a New Hydroxylated Metabolite.(Downloadable as a pdf)
M. Duisken, F. Sandner, B. Blömeke & J. Hollender
(Institute of Hygiene and Environmental Medicine, RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany)
Biochimica et Biophysica Acta (2005)
Vol 1722, p304 - 311

Cytochrome P450-mediated Oxidation of Glucuronide Derivatives: Example of Estradiol-17b-glucuronide Oxidation to 2-hydroxy-estradiol-17b-glucuronide by CYP2C8. (Downloadable as a pdf)
M. Delaforge, A. Pruvost, L. Perrin & F. André
(Service de Pharmacologie et d'Immunologie and Centre National de la Recherche Scientifique, Commisariat à l'Energie Atomique, Saclay, France)
Drug Metabolism & Disposition (2005)
Vol 33, No. 3, p466 - 473

Cytochrome P450 Inhibition Using Recombinant Proteins & Mass Spectroscopy/multiple Reaction Monitoring Technology in a Cassette Incubation. (Downloadable as a pdf)
R. Weaver, K. S. Graham, I. G. Beattie & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom)
Drug Metabolism & Disposition (2003)
Vol 31, No. 37, p955 - 966

A Comparison of Relative Abundance, Activity Factor and Inhibitory Monoclonal Antibody Approaches in the Characterization of Human CYP Enzymology. (Downloadable as a pdf)
M. G. Soars, H. V. Gelboin*, K. W. Krausz* & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom and * Laboratory of Molecular Carcinogenesis, National Cancer Institute, NIH, Bethesda, MD, USA)
British Journal of Clinical Pharmacology (2003)
Vol 55, p175 - 181

A Method for the Simultaneous Evaluation of the Activities of Seven Major Human Drug-metabolising Cytochrome P450s Using an in vitro Cocktail of Probe Substrates and Fast Gradient Liquid Chromatography Tandem Mass Spectroscopy. (Downloadable as a pdf)
E. A. Dierks, K. R. Stams, H-K. Lim, G. Cornelius, H. Zhang & S. Ball
(Wyeth-Ayerst Research, Princeton, New Jersey, USA)
Drug Metabolism & Disposition (2001)
Vol 29, No. 1, p23 - 29

Predicting Drug Pharmacokinetics in Humans from in vitro Metabolism Studies. (Downloadable as a pdf)
D. F. McGinnity & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom)
Biochem. Soc. Trans. (2001)
Vol 29, No. 2, p135 - 139

Automated Definition of the Enzymology of Drug Oxidation by the Major Human Drug Metabolizing Cytochrome P450s. (Downloadable as a pdf)
D. F. McGinnity, A. J. Parker, M. Soars & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom)
Drug Metabolism & Disposition (2000)
Vol 28, No. 11, p1327 - 1334

Fully Automated Analysis of Activities Catalysed by the Major Human Liver Cytochrme P450 (CYP) Enzymes: Assessment of Human CYP Inhibition Potential. (Downloadable as a pdf)
G. C. Moody, S. J. Griffin, A. N. Mather, D. F. McGinnity & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom)
Xenobiotica (1999)
Vol 229, No. 1, p53 - 75

Rapid Characterisation of the Major Drug-metabolising Human Hepatic Cytochrome P-450 Enzymes Expressed in Escherichia Coli. (Downloadable as a pdf)
D. F. McGinnity, S. J. Green, G. C. Moody, M. Voice*, S. Hanlon*, T. Friedberg* & R. J. Riley
(AstraZeneca R&D Charnwood, Loughborough, Leicestershire, United Kingdom and
* Biomedical Research Centre, University of Dundee, Ninewells Hospital, Dundee, UK)
Drug Metabolism & Disposition (1999)
Vol 27, No. 9, p1017 - 1023

Posters:


A Comparison of Cytochrome P450 Activities in Bactosomes, Supersomes, and Human Liver Microsomes (Downloadable as a pdf)
K. Settle, A. Madan, B Ogilvie, P. Carrott, A. Hussain & A. Parkinson
XenoTech LLC, 16825 West 116th Street, Lenexa, Kansas 66219, USA
Presented at ISSX 2002, Orlando, USA (Abstract No. 210)

Validation of E. coli-expressed P450 Enzymes for Inhibition Screening. (Downloadable as a pdf)
M.A. Taylor, A. Patel, J.C. Bloomer & S.E. Clarke
Mechanism & Extrapolation Technologies Dept., DMPK, GlaxoSmithKline, The Frythe, Welwyn, Herts, AL6 9AR, UK
Presented at DMDG 2002, Durham, UK

Cocktail Analysis of CYP Inhibition Using MS/MRM Technology and Recombinant Proteins. (Downloadable as a pdf or powerpoint file)
R. Weaver, K. S. Graham, I. G. Beattie & R. J. Riley
Physical & Metabolic Sciences, AstraZeneca R & D Charnwood, Bakewell Road, Loughborough, LE11 5RH, UK
Presented at ISSX 2002, Orlando, USA (Abstract No. 359)

A Comparison of Human Liver Microsomes, Bactosomes and Supersomes for Cytochrome P450 Inhibition Studies (Downloadable as a pdf)
A. Hussain, B Ogilvie & A. Parkinson
XenoTech LLC, 16825 West 116th Street, Lenexa, Kansas 66219, USA
Presented at ISSX 2002, Orlando, USA (Abstract No. 424)

Automated Cytochrome P450 Inhibition Screening. (Downloadable as a pdf)
G. N. Hallam, G. T. Webber & S. G. Wood
BioDynamics Research Ltd, Rushden, Northamptonshire, UK
Presented at 18th European Workshop on Drug Metabolism 2002, Valencia

Recombinant Human CYP1A2 Catalyses the O-demethylation of 7-methoxycoumarin. (Downloadable as a pdf)
S.W. Ayivor, J. Baird & M. Pritchard
Cypex Ltd
Presented at ISSX 2002, Orlando, USA (Abstract No. 91)

Determination of 3,5-diacetyl-1,4-dihydrolutidine Using HPLC with Fluorometric Detection. (Downloadable as a pdf)
J. Baird & M. Pritchard
Cypex Ltd
Presented at ISSX 2002, Orlando, USA (Abstract No. 314)

Enzymatic production of drug metabolites using recombinant human cytochrome P450s. (Downloadable as a pdf)
M. Voice
Cypex Ltd
Presented at RSC DMG 2002, Edinburgh, UK

Determination of 4-methylumbelliferone UGT activity by HPLC with Fluorometric Detection and Application to the Study of Human UGT1A6 Expressed in Escherichia coli. (Downloadable as a pdf)
S. Ayivor & M. Pritchard
Cypex Ltd
Presented at ISSX 2003, Dijon, France (Abstract No. 118)

Determination of 4-methylumbelliferone Sulfotransferase 1A1*1 activity using HPLC with Fluorometric Detection. (Downloadable as a pdf)
J. Baird, M. Pritchard & M. Voice
Cypex Ltd
Presented at ISSX 2003, Providence, Rhode Island USA (Abstract No. 395)

Automated Cytochrome P450 Profiling.(Downloadable as a pdf)
E. N. Gao, R. H. Smith, B. Li, M. C. Secosky, J. W. Gross & A. J. Pope
GlaxoSmithKline, Upper Providence, Pennsylvania, 19426, USA
Presented at SBS 2004

Effects of common organic solvents on the activity of recombinant human cytochrome P450s expressed in E. coli. (Downloadable as a pdf)
J. Baird, C. Begg, M. Pritchard & M. Voice
Cypex Ltd
Presented at ISSX/ JSSX 2005, Maui, Hawaii, USA (Abstract No. 587)

An investigation into the use of 4 methylumbelliferone, P-nitrophenol and 1-naphthol as substrates for recombinant human SULT1B1 expressed in E. coli. (Downloadable as a pdf)
G. Macintyre, M. Pritchard & M. Voice
Cypex Ltd
Presented at ISSX/ JSSX 2005, Maui, Hawaii, USA (Abstract No. 731)

An Inter-laboratory Analysis of Nortryptyline CYP interactions in vitro Confirms Merits of fuinc Considerations. (Downloadable as a pdf)
P. Robers, R. J. Riley, R. Swan, D. Slee & M. Whittaker
School of Pharmaceutical Science, University of Central Lancashire, Preston, UK
Presented at ISSX 2006, Manchester, UK (Abstract No. 125)


Antibodies:

Inhibitory Antibodies for Identifying CYP2C8, CYP2C9, CYP2C19 and Other Major Cytochrome P450s. (Downloadable as a pdf)
P-S. Ng, T. Kamataki, T. Hiroi, S. Imaoka & Y. Funae
Bio Department, Nosan Corporation, Landmark Tower 46F, 2-2-1 Minatomirai, Nishiku, Yokohama 220-8146
Presented at MDO 2002, Sapporo, Japan

Specificity and Selectivity of Novel Anti-Human P450 Antibodiess. (Downloadable as a pdf)
S. Madden, J. Paton, M. Phillips & B. Cameron
Department of Metabolism Chemistry, Inveresk Research, Tranent, EH33 2NE, UK
Presented at MDO 2002, Sapporo, Japan

Production of Inhibitory Antibodies Against Cytochrome P450s. (Downloadable as a pdf)
P-S. Ng, S. Imaoka, T. Hiroi, M. Osada, T. Niwa, T. Kamataki, & Y. Funae (2003)
Drug Metab. Pharmacokin. 18 (3): pp 163 - 172

 

Other:

Analysis of the Expression of CYP3A4 and CYP3A5 mRNAs in Human Liver by Branched DNA (bDNA) Assay (Downloadable as a pdf)
M. Czerwinski, D. Mudra, A. Madan, M. Voice* & A. Parkinson
XenoTech LLC, 16825 West 116th Street, Lenexa, Kansas 66219, USA
*Cypex Ltd

Use of Specific Radiolabelled Metabolite Standards in the Optimisation of Drug Metabolising Assays. (Downloadable as a pdf)
G. T. Webber, R. Cole, V. Pope, S. Hollis, S. D'Hainaut, G. Johnston & S. G. Wood
BioDynamics Research Ltd, Rushden, Northamptonshire, NN10 6ER UK
Presented at ISSX 2003, Dijon, France

Incorporation of Laurate and Hydroxylaurate into Phosphatidyl Cholines and Acylglycerols in Castor Microsomes.
Jiann-Tsyh Lin, Seiji Wani, Xiaohua He, Tasha Nguyen & Thomas A. McKeon.
Western Regional Research Center, ARS, USDA, Albany, California 94710, USA
J. Am. Oil Chem. Soc. (2005) 82 (7), p495 - 499

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