1. Time‐Dependent Cytotoxic Properties of Terpyridine‐Based Copper Complexes
- Author
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Jordi Mas Grau, David Montpeyó, Patrick Gamez, Julia Lorenzo, Olivier Roubeau, Amparo Caubet, Ministerio de Ciencia, Innovación y Universidades (España), and Agencia Estatal de Investigación (España)
- Subjects
Models, Molecular ,Pyridines ,chemistry.chemical_element ,Antineoplastic Agents ,010402 general chemistry ,01 natural sciences ,Biochemistry ,Medicinal chemistry ,Medicaments antineoplàstics ,Cell-mediated cytotoxicity ,HeLa ,chemistry.chemical_compound ,Coordination Complexes ,Cell Line, Tumor ,Antineoplastic agents ,medicine ,Ic50 values ,Humans ,Cytotoxic T cell ,Molecular Biology ,Cisplatin ,Coure ,biology ,010405 organic chemistry ,Organic Chemistry ,DNA ,biology.organism_classification ,Copper ,0104 chemical sciences ,Citotoxicitat per mediació cel·lular ,Kinetics ,chemistry ,Apoptosis ,Nucleic Acid Conformation ,Molecular Medicine ,Terpyridine ,medicine.drug - Abstract
Five copper complexes supported by terpyridine ligands were prepared and characterized, viz. [Cu3Cl4(naphtpy)2][CuCl2] (1), [Cu2Cl2(naphtpy)2](ClO4)2 (2), [CuCl2(naphtpy)]2(MeOH)3(H2O) (3), [CuCl2(Cltpy)] (4) and [Cu(Cltpy)2](ClO4)2 (5); (where naphtpy stands for 4’‐((naphthalen‐2‐yl)methoxy)‐2,2′:6′,2′′‐terpyridine and Cltpy for 4′‐chloro‐2,2′:6′,2′′‐terpyridine). Their ability to interact with DNA was investigated, and their cytotoxic behaviour was examined with three cells lines, namely human ovarian carcinoma cells (A2780), their derived cisplatin‐resistant line (A2780cis), and human cervix adenocarcinoma cells (HeLa). All compounds show good cytotoxic properties (especially after 72 h of incubation). Remarkably, two compounds, 4 and 5, are still almost inactive after 24 h (particularly 4), but are highly active after 72 h, with IC50 values in the low‐micromolar to sub‐micromolar range. Compounds 1 and 2 induce necrosis, whereas late apoptosis is observed with 3–5, 4 exhibiting a behaviour close to that of cisplatin., Financial support from the Spanish Ministerio de Ciencia Innovación, y Universidades (Projects CTQ2017‐88446‐R AEI/FEDER, UE, RED2018‐102471‐T and RTI2018‐098027‐B‐C22) is kindly acknowledged. P.G. acknowledges the Institució Catalana de Recerca i Estudis Avançats (ICREA).
- Published
- 2020