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Analytical methodologies for metallomics studies of antitumor Pt-containing drugs



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Esteban Fernández, Diego and Moreno Gordaliza, Estefanía and Cañas, Benito and Palacios Corvillo, M.Antonia and Gómez Gómez, M.Milagros (2010) Analytical methodologies for metallomics studies of antitumor Pt-containing drugs. Metallomics, 2 (1). pp. 19-38. ISSN 1756-591X (Online) 1756-5901 (Print)

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Official URL: https://www.ncbi.nlm.nih.gov/pubmed/21072372


Pt-containing drugs are nowadays essential components in cancer chemotherapy. However, drug resistance and side effects limit the efficiency of the treatments. In order to improve the response to Pt-based drugs, different administration strategies or new Pt-compounds have been developed with little success. The reason for this failure could be that the mechanism of action of these drugs is not completely understood. In this way, metallomics studies may contribute to clarify the interactions of Pt-containing drugs within the organism. This review is mainly focused on the role of Analytical Chemistry on the study of the interactions between Pt-based drugs and biomolecules. A summary of the analytical techniques and the most common sample treatment procedures currently used in metallomics studies of these drugs is presented. Both are of paramount importance to study these complex samples preserving the drug–biomolecule interaction. Separation and detection techniques must be carefully selected in order to achieve the intended goals. The use of multidimensional hyphenated techniques is usually necessary for a better understanding of the Pt-based drugs interactions in the organism. An overview of Pt-drugs biological interactions is presented, considering the different sample matrices and the drugs course through the organism. Samples analysed in the included studies are blood, urine, cell cytosol, DNA as well as the drugs themselves and their derivatives. However, most of these works are based on in vitro experiments or incubations of standards, leading in some cases to contradictory results depending on the experimental conditions used. Though in vivo experiments represent a great challenge due to the high complexity and the low concentrations of the Pt-adducts in real samples, these studies must be undertaken to get a deeper understanding of the real interactions concerning Pt-containing drugs.

Item Type:Article
Subjects:Sciences > Chemistry > Analytic chemistry
ID Code:42123
Deposited On:05 Apr 2017 11:02
Last Modified:05 Apr 2017 11:20

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