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Synthesis of Novel 2-Acetamide-5-Phenylthio-1,3,4-Thiadiazole-Containing Phenyl Urea Derivatives As Potential Vegfr-2 Inhibitors Publisher Pubmed



Toolabi M1, 2 ; Safari F3 ; Ayati A4 ; Fathi P5 ; Moghimi S4 ; Salarinejad S5 ; Foroumadi R6 ; Ketabforoosh SHME7 ; Foroumadi A4, 5
Authors

Source: Archiv der Pharmazie Published:2022


Abstract

A novel series of 2-acetamide-5-phenylthio-1,3,4-thiadiazol derivatives containing a phenyl urea warhead were synthesized and evaluated as antiproliferative agents. The cytotoxic activities of the newly synthesized compounds were evaluated toward three human cancer cell lines, including HT-29, A431, and PC3, as well as normal HDF cells, using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay. The biological results revealed the highest degree of cytotoxic effects for the 4-chloro-containing compound 9e against the A431 cell line. Further assessment by Western blot analysis assay confirmed the induction of apoptosis by compound 9e, with upregulation of Bax and downregulation of Bcl-2 proteins in A431 cancer cells. In addition, compound 9e inhibited the phosphorylation of vascular endothelial growth factor and its receptor (VEGFR-2) in A431 cancer cells while the total level of actin protein was unchanged. These results were confirmed by a three-dimensional cell culture method using the hanging drop technique. © 2022 Deutsche Pharmazeutische Gesellschaft.
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