The development of Tyrosyl-DNA phosphodiesterase 1 inhibitors. Combination of Monoterpene and Adamantine Moieties via Amide or Thioamide Bridges

Arina A. Chepanova, Evgenii S. Mozhaitsev, Aldar A. Munkuev, Evgeniy V. Suslov, Dina V. Korchagina, Olga D. Zakharova, Alexandra L. Zakharenko, Jinal Patel, Daniel M. Ayine-Tora, Jóhannes Reynisson, Ivanhoe K.H. Leung, Konstantin P. Volcho, Nariman F. Salakhutdinov, Olga I. Lavrik

Результат исследования: Научные публикации в периодических изданияхстатья

5 Цитирования (Scopus)

Аннотация

Eleven amide and thioamide derivatives with monoterpene and adamantine substituents were synthesised. They were tested for their activity against the tyrosyl-DNA phosphodiesterase 1 DNA (Tdp1) repair enzyme with the most potent compound 47a, having an IC50 value of 0.64 μM. When tested in the A-549 lung adenocarcinoma cell line, no or very limited cytotoxic effect was observed for the ligands. However, in conjunction with topotecan, a well-established Topoisomerase 1 (Top1) poison in clinical use against cancer, derivative 46a was very cytotoxic at 5 μM concentration, displaying strong synergism. This effect was only seen for 46a (IC50-3.3 μM) albeit some other ligands had better IC50 values. Molecular modelling into the catalytic site of Tdp1 predicted plausible binding mode of 46a, effectively blocking access to the catalytic site.

Язык оригиналаанглийский
Номер статьи2767
ЖурналApplied Sciences (Switzerland)
Том9
Номер выпуска13
DOI
СостояниеОпубликовано - 1 июл 2019

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