Design and novel synthetic approach supported with molecular docking and biological evidence for naphthoquinone-hydrazinotriazolothiadiazine analogs as potential anticancer inhibiting topoisomerase-IIB.

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ID: 92718
2020
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Abstract
A novel synthetic approach was developed for the synthesis of 3-hydrazinotriazolothiadiazines in just one step from Purpald and phenacyl bromides. They were then selectively tethered to naphthoquinone fragments through hydrazine moiety generating novel Naphthoquinone-hydrazinotriazolothiadiazine analogues. In vitro cytotoxicity for the synthesized chemical entities was validated against HepG2 and MCF-7 cell lines and recorded IC inhibitory profile range of 0.07-19.68 µM and 1.19-67.32 µM respectively. Among the synthesized series, compound 4c had maximal cytotoxicity against HepG2 and was therefore selected for further downstream biological investigations. Caspase 3 apoptotic marker was significantly upregulated in cells treated with compound 4c with induction of apoptosis at Pre-G1 phase and cell death at G2/M phase. Compounds 4a, 4c and 4d exhibited the most powerful inhibitory range (0.55-0.64 µM) against Topo IIB. Molecular docking study revealed potential interactions of those compounds within the ATP catalytic binding domain of Topo-IIB with high scores. In conclusion, the novel Naphthoquinone-hydrazinotriazolothiadiazine analogues could serve as promising anticancer agents through inhibition of Topoisomerase-IIB.
Reference Key
mohamady2020designbioorganic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mohamady, Samy;Gibriel, Abdullah Ahmed;Ahmed, Mahmoud Salama;Hendy, Moataz S;Naguib, Bassem H;
Journal Bioorganic chemistry
Year 2020
DOI
S0045-2068(19)31923-6
URL
Keywords
Cancer MCF-7 hepg2 hydrazino-triazolothiadiazine naphthoquinone topoisomerase ii-b

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