The Kinetics and Mechanism of the Reaction Between Serum Albumin and Auranofin (and its Isopropyl Analogue) in Vitro
Study of Auranofin Reaction with Serum Albumin
publication
Author Information
Author(s): Jacqueline R. Roberts, Jun Xiao, Brian Schliesman, David J. Parsons, C. Frank Shaw III
Primary Institution: University of Wisconsin-Milwaukee
Hypothesis
The study investigates the kinetics and mechanism of the reaction between serum albumin and Auranofin.
Conclusion
The research provides the first quantitative determination of the reaction kinetics and a novel binding mechanism for Auranofin with serum albumin.
Supporting Evidence
- The binding of Auranofin to serum albumin was complete at limiting gold concentrations.
- The reaction is biphasic, with a fast phase accounting for 95% of the binding.
- A multi-step mechanism involving conformational changes in albumin was developed.
- The study provides the first mechanistic insights into the Auranofin-albumin interaction.
Takeaway
This study looks at how a drug called Auranofin interacts with a protein in our blood, showing how they bind together and how quickly that happens.
Methodology
The reactions were studied using Penefsky spun columns and NMR saturation transfer kinetics.
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