Interaction of an anticancer oxygenated propenylbenzene derivatives with human topoisomerase II α and actin: molecular modeling and isothermal titration calorimetry studies
Joanna Grzelczyk, Horacio Pérez-Sánchez, Jochem Nelen, Miguel Carmena-Bargueño, Ilona Gałązka-Czarnecka, Grażyna Budryn, Dawid Hernik, Elisabetta Brenna, Filip Boratyński
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引用次数: 0
Abstract
Cancer diseases are one of the most common causes of death. It is important to reduce the proliferation of cancer cells at an early stage, but also to limit their migration. There is a need to find new compounds of moderate anticancer prevention activity for long administration. TOPIIα and actin are proteins that in states of inflammation can cause the progression of cancer and neoblastic cell migrations. Looking for compounds that will work comprehensively in preventing cancer, interacting with both TOPIIα and actin is crucial/was our aim. In this study, the antioxidant properties of propenylbenzene derivatives and their affinity to bind actin and TOPIIα causing inhibition of their functions were evaluated. The ligand–protein binding assay was carried out by isometric titration calorimetry (ITC), and molecular docking, and the antioxidant potential. The highest chelation activity was shown by 5b: 83.95% (FRAP 18.39 μmol Fe(II) mL−1). High affinity for actin and TOPIIα using ITC and docking was shown by diol forms. For actin the best ligands were 2b (∆H − 51.49 kJ mol−1, ∆G − 27.37 kJ mol−1) and 5b (∆H − 17.25 kJ mol−1, ∆G − 26.20 kJ mol−1), whereas for TOPIIα: 3b (∆H − 163.86 kJ mol−1, ∆G − 34.60 kJ mol−1) and 5b (∆H − 160.93 kJ mol−1, ∆G − 32.92 kJ mol−1). To confirm the occurrence of the interactions at the active site of the proteins, molecular docking and subsequent molecular dynamics simulations were performed, which showed for both actin and TOPIIα the highest enthalpy of interactions of 5b: − 34.94 kJ mol−1 and − 25.52 kJ mol−1, respectively.
期刊介绍:
Journal of Thermal Analysis and Calorimetry is a fully peer reviewed journal publishing high quality papers covering all aspects of thermal analysis, calorimetry, and experimental thermodynamics. The journal publishes regular and special issues in twelve issues every year. The following types of papers are published: Original Research Papers, Short Communications, Reviews, Modern Instruments, Events and Book reviews.
The subjects covered are: thermogravimetry, derivative thermogravimetry, differential thermal analysis, thermodilatometry, differential scanning calorimetry of all types, non-scanning calorimetry of all types, thermometry, evolved gas analysis, thermomechanical analysis, emanation thermal analysis, thermal conductivity, multiple techniques, and miscellaneous thermal methods (including the combination of the thermal method with various instrumental techniques), theory and instrumentation for thermal analysis and calorimetry.