L. Jennings
Induced Europium Circularly Polarised Luminescence Monitors Reversible Drug Binding to Native α1-Acid Glycoprotein
Jennings, L.; Waters, R.S.; Pal, R.; Parker, D.
Authors
R.S. Waters
Professor Robert Pal robert.pal@durham.ac.uk
Professor
David Parker david.parker@durham.ac.uk
Emeritus Professor
Abstract
Alpha-1-acid glycoprotein (α1-AGP) is an important blood plasma glycoprotein. Following an acute-phase reaction such as stress, inflammation, burn, or infection, the bloodstream concentration of α1-AGP can increase up to 400 % of its normal concentration. A wide range of drugs is known to bind α1-AGP. Increased binding of pharmacologically active compounds to α1-AGP moderates their clinical effect by decreasing the amount of unbound drug in the bloodstream. This has important clinical ramifications for such applications as the duration of anesthesia and in determining dosage for drug therapy. In this study, the competitive binding to α1-AGP of a dynamically racemic europium(III) complex with seven pharmacologically active drugs absorbing in the range λ 250–290 nm was monitored by following changes in europium total emission and in induced circularly polarized luminescence (CPL). Binding affinities corresponding to Kd values in the range 0.5–100 μm were measured, in good agreement with published data.
Citation
Jennings, L., Waters, R., Pal, R., & Parker, D. (2017). Induced Europium Circularly Polarised Luminescence Monitors Reversible Drug Binding to Native α1-Acid Glycoprotein. ChemMedChem, 12(3), 271-277. https://doi.org/10.1002/cmdc.201600571
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 15, 2016 |
Online Publication Date | Jan 9, 2017 |
Publication Date | Feb 3, 2017 |
Deposit Date | Mar 2, 2017 |
Publicly Available Date | Jan 9, 2018 |
Journal | ChemMedChem |
Print ISSN | 1860-7179 |
Electronic ISSN | 1860-7187 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | 3 |
Pages | 271-277 |
DOI | https://doi.org/10.1002/cmdc.201600571 |
Public URL | https://durham-repository.worktribe.com/output/1384166 |
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Copyright Statement
This is the peer reviewed version of the following article: L. Jennings, R. S. Waters, R. Pal, D. Parker, ChemMedChem 2017, 12(3), 271-277, which has been published in final form at https://doi.org/10.1002/cmdc.201600571. This article may be used for non-commercial purposes in accordance With Wiley-VCH Terms and Conditions for self-archiving.
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