Abstract
There are about 380 protein kinase inhibitors in drug development as of today and 15 drugs have been marketed already for the treatment of cancer. This time 139 validated kinase targets are in the focus of drug research of pharmaceutical companies and big efforts are made for the development of new, druglike kinase inhibitors. Plasma protein binding is an important factor of the ADME profiling of a drug compound. Human serum albumin (HSA) and α1-acid glycoprotein (AAG) are the most relevant drug carriers in blood plasma. Since previous literature data indicated that AAG is the principal plasma binding component of some kinase inhibitors the present work focuses on the comprehensive evaluation of AAG binding of a series of marketed and experimental kinase inhibitors by using circular dichroism (CD) spectroscopy approach. HSA binding was also evaluated by affinity chromatography. Protein binding interactions of twenty-six kinase inhibitors are characterized. The contribution of AAG and HSA binding data to the pharmacokinetic profiles of the investigated therapeutic agents is discussed. Structural, biological and drug binding properties of AAG as well as the applicability of the CD method in studying drug-protein binding interactions are also briefly reviewed.
Keywords: Acute phase proteins, Human serum α1-acid glycoprotein, Human serum albumin, Induced circular dichroism, Plasma protein binding, Tyrosine kinase inhibitors
Current Medicinal Chemistry
Title: Determination of Human Serum α1-Acid Glycoprotein and Albumin Binding of Various Marketed and Preclinical Kinase Inhibitors
Volume: 16 Issue: 16
Author(s): Ferenc Zsila, Ilona Fitos, Gyula Bencze, Gyorgy Keri and Laszlo Orfi
Affiliation:
Keywords: Acute phase proteins, Human serum α1-acid glycoprotein, Human serum albumin, Induced circular dichroism, Plasma protein binding, Tyrosine kinase inhibitors
Abstract: There are about 380 protein kinase inhibitors in drug development as of today and 15 drugs have been marketed already for the treatment of cancer. This time 139 validated kinase targets are in the focus of drug research of pharmaceutical companies and big efforts are made for the development of new, druglike kinase inhibitors. Plasma protein binding is an important factor of the ADME profiling of a drug compound. Human serum albumin (HSA) and α1-acid glycoprotein (AAG) are the most relevant drug carriers in blood plasma. Since previous literature data indicated that AAG is the principal plasma binding component of some kinase inhibitors the present work focuses on the comprehensive evaluation of AAG binding of a series of marketed and experimental kinase inhibitors by using circular dichroism (CD) spectroscopy approach. HSA binding was also evaluated by affinity chromatography. Protein binding interactions of twenty-six kinase inhibitors are characterized. The contribution of AAG and HSA binding data to the pharmacokinetic profiles of the investigated therapeutic agents is discussed. Structural, biological and drug binding properties of AAG as well as the applicability of the CD method in studying drug-protein binding interactions are also briefly reviewed.
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Cite this article as:
Zsila Ferenc, Fitos Ilona, Bencze Gyula, Keri Gyorgy and Orfi Laszlo, Determination of Human Serum α1-Acid Glycoprotein and Albumin Binding of Various Marketed and Preclinical Kinase Inhibitors, Current Medicinal Chemistry 2009; 16 (16) . https://dx.doi.org/10.2174/092986709788682191
DOI https://dx.doi.org/10.2174/092986709788682191 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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