Journal
PHARMACEUTICALS
Volume 15, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/ph15101262
Keywords
cyanopyridone; pyridopyrimidine; antitumor activity; dual VEGFR-2; HER-2 inhibitor; molecular modeling
Categories
Funding
- Deanship of Scientific Research at Princess Nourah bint Abdulrahman University [(RGP-1440-0025)(2)]
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In this study, three families of compounds based on cyanopyridone were designed and synthesized. The structures of the newly synthesized compounds were determined using various techniques. The synthesized compounds showed better antiproliferative activities against breast adenocarcinoma and hepatic adenocarcinoma cell lines compared to the standard treatment taxol. Two compounds, 5a and 5e, exhibited the most potent activity against the MCF-7 cell line and were further studied for their ability to inhibit VEGFR-2 and HER-2.
In the current work, we designed and synthesized three families of non-fused and fused compounds based on cyanopyridone: derivatives of 6-amino-1,2-dihydropyridine-3,5-dicarbonitrile (5a-f) and 3,4,7,8-tetrahydro pyrimidine-6-carbonitrile (6a-b and 7a-e). The newly synthesized compounds' structure were determined using a variety of techniques, including H-1 NMR, C-13 NMR, mass spectrum, infrared spectroscopy, and elemental analysis. The developed compounds were tested for the ability to inhibit the growth of breast adenocarcinoma (MCF-7) and hepatic adenocarcinoma (HepG2) cell lines using MTT assay. Some of the synthesized compounds were more effective towards the cancer cell lines than the standard treatment taxol. The best antiproliferative activities were demonstrated by non-fused cyanopyridones 5a and 5e against the MCF-7 cell line (IC50 = 1.77 and 1.39 mu M, respectively) and by compounds 6b and 5a against the HepG2 cell line (IC50 = 2.68 and 2.71 mu M, respectively). We further explored 5a and 5e, the two most potent compounds against the MCF-7 cell line, for their ability to inhibit VEGFR-2 and HER-2. Finally, docking and molecular dynamics simulations were performed as part of the molecular modeling investigation to elucidate the molecular binding modes of the tested compounds, allowing for a more thorough comprehension of the activity of compounds 5a and 5e.
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