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Title: Luminescent Pt-II and Pt-IV Platinacycles with Anticancer Activity Against Multiplatinum-Resistant Metastatic CRC and CRPC Cell Models
Author: Lazaro, Ariadna
Balcells, Cristina
Quirante Serrano, Josefina
Badía Palacín, Josefa
Baldomà Llavinés, Laura
Ward, Jas S.
Rissanen, Kari
Font Bardia, Ma. Mercedes
Rodríguez Raurell, Laura
Crespo Vicente, Margarita Ma.
Cascante i Serratosa, Marta
Keywords: Fosforescència
Issue Date: 30-Jan-2020
Publisher: Wiley-VCH
Abstract: Platinum-based chemotherapy persists to be the only effective therapeutic option against a wide variety of tumours. Nevertheless, the acquisition of platinum resistance is utterly common, ultimately cornering conventional platinum drugs to only palliative in many patients. Thus, encountering alternatives that are both effective and non-cross-resistant is urgent. In this work, we report the synthesis, reduction studies, and luminescent properties of a series of cyclometallated (C,N,N')PtIV compounds derived from amine- imine ligands, and their remarkable efficacy at the high nanomolar range and complete lack of cross57 resistance, as an intrinsic property of the platinacycle, against multiplatinum-resistant colorectal cancer (CRC) and castration-resistant prostate cancer (CRPC) metastatic cell lines generated for this work. We have also determined that the compounds are effective and selective for a broader cancer panel, including breast and lung cancer. Additionally, selected compounds have been further evaluated, finding a shift in their antiproliferative mechanism towards more cytotoxic and less cytostatic than cisplatin against cancer cells, being also able to oxidize cysteine residues and inhibit topoisomerase II, thereby holding great promise as future improved alternatives to conventional platinum drugs.
Note: Versió postprint del document publicat a:
It is part of: Chemistry-A European Journal, 2020, vol. 26, num. 9, p. 1947-1952
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ISSN: 0947-6539
Appears in Collections:Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)

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