Increasing DNA reactivity and in vitro antitumor activity of trans diiodido Pt(II) complexes with UVA light
Zusammenfassung
Trans diiodido platinum(II) complexes bearing the same as well as different aliphatic amines (mixed-amines) have interesting biological activity; cytotoxicity and interactions with some important biological models have already been demonstrated. Herein we described the interaction of such compounds with ct-DNA, supercoiled and linearized plasmid DNA and 5-GMP. Interestingly, UV irradiation of these compounds results in an increase in reactivity towards DNA and 5-GMP in such model systems. Additionally, the cytotoxicity of the trans-Pt(II) complexes towards human cancer cells is noticeably increased when treatment is combined for 90 min with UVA-irradiation. With this work we provide evidence that trans diiodido compounds can be activated by UVlight over relatively short treatment times.
Beschreibung
Este artículo describe la reactividad de compuestos de Pt(II) con ligandos yoduro frente a modelos de ADN con y en ausencia de luz ultravioleta-visible
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