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Zastosuj identyfikator do podlinkowania lub zacytowania tej pozycji: http://hdl.handle.net/20.500.12128/159
Tytuł: Exploring the Anti-Cancer Activity of Novel Thiosemicarbazones Generated through the Combination of Retro-Fragments: Dissection of Critical Structure-Activity Relationships
Autor: Serda, Maciej
Kalinowski, Danuta S.
Rasko, Nathalie
Potuckova, Eliska
Mrozek-Wilczkiewicz, Anna
Musioł, Robert
Małecki, Jan Grzegorz
Sajewicz, Mieczysław
Ratuszna, Alicja
Muchowicz, Angelika
Gołąb, Jakub
Simunek, Tomas
Richardson, Des R.
Polański, Jarosław
Słowa kluczowe: anti-cancer activity; thiosemicarbazones; antineoplastic activity
Data wydania: 2014
Źródło: PLoS ONE, (2014), no. 10, art. no. e110291)
Abstrakt: Thiosemicarbazones (TSCs) are an interesting class of ligands that show a diverse range of biological activity, including anti-fungal, anti-viral and anti-cancer effects. Our previous studies have demonstrated the potent in vivo anti-tumor activity of novel TSCs and their ability to overcome resistance to clinically used chemotherapeutics. In the current study, 35 novel TSCs of 6 different classes were designed using a combination of retro-fragments that appear in other TSCs. Additionally, disubstitution at the terminal N4 atom, which was previously identified to be critical for potent anti-cancer activity, was preserved through the incorporation of an N4-based piperazine or morpholine ring. The anti-proliferative activity of the novel TSCs were examined in a variety of cancer and normal cell-types. In particular, compounds 1d and 3c demonstrated the greatest promise as anti-cancer agents with potent and selective anti-proliferative activity. Structure-activity relationship studies revealed that the chelators that utilized "soft" donor atoms, such as nitrogen and sulfur, resulted in potent anti-cancer activity. Indeed, the N,N,S donor atom set was crucial for the formation of redox active iron complexes that were able to mediate the oxidation of ascorbate. This further highlights the important role of reactive oxygen species generation in mediating potent anti-cancer activity. Significantly, this study identified the potent and selective anti-cancer activity of 1d and 3c that warrants further examination.
URI: http://hdl.handle.net/20.500.12128/159
DOI: 10.1371/journal.pone.0110291
ISSN: 1932-6203
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