Вышедшие номера
Vibrational Spectroscopic and Molecular Docking Studies of Amrinone, a Cardiotonic Inotropic Drug*
Celik Sefa1, Akyuz Sevim2, Ozel Aysen E.1, Akalin Elif1
1Physics Department, Science Faculty, Istanbul University, Vezneciler, Istanbul, Turkey
2Physics Department, Science and Letters Faculty, Istanbul Kultur University, Atakoy Campus, Bakirkoy Istanbul, Turkey
Email: scelik@istanbul.edu.tr
Поступила в редакцию: 29 апреля 2021 г.
Выставление онлайн: 9 декабря 2021 г.

Amrinone is a class I cardiotonic inotropic agent, which is known to increase the cyclic adenosine monophosphate (cAMP) level by inhibiting the phosphodiesterase 3 (PDE3) enzyme. In this study the theoretically possible stable conformations of the amrinone, was examined first by conformational analysis method and then the obtained most stable conformation was optimized by DFT/wb97xd/6-311++G(d,p) level of theory using Gaussian 03 program. The credibility of the theoretical model was confirmed by comparison of experimental and theoretical vibrational spectra of the title molecule. The fundamental vibrational wavenumbers, IR and Raman intensities of the optimized structure of amrinone were determined using DFT/wb97xd/6-311++G(d,p) level of theory and compared with the experimental vibrational spectra. To investigate the influence of amrinone on cAMP enhancement, the docking simulations towards PDE3B were carried out and the main binding interactions of amrinone with PDE3 were elucidated. Cytochrome P450s (CYPs) are very important phase I metabolizing enzymes. The interaction between amrinone and CYPs (CYP1A2, CYP2C9 and CYP2C19) was investigated by docking simulations. Moreover, molecular docking of the title molecule with different proteins and receptors were studied to reveal potential mechanisms for therapeutic applications. Molecular docking simulations revealed that amrinone showed strong binding affinity to integrins α5β1 (Delta G=-6.6 kcal/mol) and αIIbβ3 (-6.6 kcal/mol), and DNA (-6.5 kcal/mol). The results correlated with its anticancer activity. The drug likeness and ADMET properties of amrinone were analyzed for the prediction of pharmacokinetic profiles. Key words: amrinone, DFT calculations, FTIR, Molecular Docking, ADMET.

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