alexa Enhancement of the cytotoxicity of titanocene dichloride by aging in organic co-solvent.
Pharmaceutical Sciences

Pharmaceutical Sciences

Biochemistry & Pharmacology: Open Access

Author(s): Ravera M, Cassino C, Monti E, Gariboldi M, Osella D

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Abstract Titanocene dichloride exhibits anti-proliferative activity in a wide spectrum of murine and human tumors. Although it is still unclear as to which species are active in biological media, they all readily deliver Ti(IV) to transferrin, the protein that transports iron in the blood. In this article, we report that aging of the complex in alcohols (namely methanol and ethanol) or dimethyl sulfoxide, the co-solvents used to prepare mother solution of the drug, leads to increased cytotoxic activity (i.e. lower IC(50) values) in HCT116 colon cancer cell lines, to a different extent. The TiCp(2)Cl(2) solvolysis was followed by (1)H NMR, ESI-MS, electrochemical and conductivity measurements, and the intracellular Ti(IV) uptake was evaluated. This article was published in J Inorg Biochem and referenced in Biochemistry & Pharmacology: Open Access

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