Advances in the chemistry of natural and semisynthetic topoisomerase I/II inhibitors

VA D'yakonov, LU Dzhemileva… - Studies in natural products …, 2017 - Elsevier
The search for new, effective, and low-toxic anticancer agents is one of the most important
tasks of modern medicinal chemistry. In general, the solution to this problem comes down to …

Interaction between natural compounds and human topoisomerase I

S Castelli, A Coletta, I D'Annessa, P Fiorani… - Biological …, 2012 - degruyter.com
Eukaryotic topoisomerase I (Top1) is a monomeric enzyme that catalyzes the relaxation of
supercoiled DNA during important processes including DNA replication, transcription …

Palladium (II) complexes with thiosemicarbazones derived from pyrene as topoisomerase IB inhibitors

CG Oliveira, I Romero-Canelón, MM Silva… - Dalton …, 2019 - pubs.rsc.org
New palladium complexes with thiosemicarbazonate ligands derived from pyrene exhibit
potent antiproliferative activity against A2780 and cisplatin-resistant A2780Cis human …

Synergistic antitumor effect between vorinostat and topotecan in small cell lung cancer cells is mediated by generation of reactive oxygen species and DNA damage …

F Bruzzese, M Rocco, S Castelli, E Di Gennaro… - Molecular cancer …, 2009 - AACR
The topoisomerase-I (topo-I) inhibitor topotecan, derivative of camptothecin, is the only
registered drug for relapsed small cell lung cancer (SCLC). The histone deacetylase …

Natural trienoic acids as anticancer agents: First stereoselective synthesis, cell cycle analysis, induction of apoptosis, cell signaling and mitochondrial targeting studies

VA D'yakonov, AA Makarov, LU Dzhemileva… - Cancers, 2021 - mdpi.com
Simple Summary Currently, the whole world is acutely concerned with the selection of
effective treatment regimens for oncological diseases. This problem is becoming more and …

Novel Very Long-Chain α-Methoxylated Δ5,9 Fatty Acids from the Sponge Asteropus niger Are Effective Inhibitors of Topoisomerases IB

NM Carballeira, N Montano, LA Amador, AD Rodríguez… - Lipids, 2016 - Springer
The novel fatty acids (2 R, 5 Z, 9 Z)-2-methoxy-25-methyl-5, 9-hexacosadienoic acid (1a)
and (2 R, 5 Z, 9 Z)-2-methoxy-24-methyl-5, 9-hexacosadienoic acid (1b) were isolated in …

Effect of oxindolimine copper(ii) and zinc(ii) complexes on human topoisomerase I activity

P Katkar, A Coletta, S Castelli, GL Sabino… - Metallomics, 2014 - academic.oup.com
The ability of oxindolimine copper (ii) and zinc (ii) complexes, known to have antitumor
activity, to inhibit human topoisomerase IB has been tested through enzymatic kinetic assays …

Non-mutagenic Ru (ii) complexes: cytotoxicity, topoisomerase IB inhibition, DNA and HSA binding

MM Da Silva, MS De Camargo, RS Correa… - Dalton …, 2019 - pubs.rsc.org
Herein we discuss five ruthenium (II) complexes with good cytotoxicity against cancer cells.
These complexes are named [Ru (tzdt)(bipy)(dppb)] PF6 (1),[Ru (mmi)(bipy)(dppb)] PF6 …

Marine invertebrate extracts induce colon cancer cell death via ROS-mediated DNA oxidative damage and mitochondrial impairment

V Ruiz-Torres, C Rodríguez-Pérez, M Herranz-López… - Biomolecules, 2019 - mdpi.com
Marine compounds are a potential source of new anticancer drugs. In this study, the
antiproliferative effects of 20 invertebrate marine extracts on three colon cancer cell models …

Comparative studies of oxindolimine-metal complexes as inhibitors of human DNA topoisomerase IB

S Castelli, MB Gonçalves, P Katkar, GC Stuchi… - Journal of Inorganic …, 2018 - Elsevier
Copper (II) and zinc (II) complexes with oxindolimine ligands, obtained by a condensation
reaction between isatin (1H-indole-2, 3-dione) and 2-(2-aminoethyl) pyridine, have been …