Abstract Title:

Damage induced by stannous chloride in plasmid DNA.

Abstract Source:

Toxicol Lett. 2000 Jul 27;116(1-2):159-63. PMID: 10906433

Abstract Author(s):

J C de Mattos, F J Dantas, R J Bezerra, M Bernardo-Filho, J B Cabral-Neto, C Lage, A C Leitão, A Caldeira-de-Araújo

Article Affiliation:

Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Brazil.

Abstract:

Stannous chloride (SnCl(2)) is widely used in daily human life, for example, to conserve soft drinks, in food manufacturing and biocidal preparations. In nuclear medicine, stannous chloride is used as a reducing agent of Technetium-99m, a radionuclide used to label different cells and molecules. In spite of this, stannous chloride is able to generate reactive oxygen species (ROS) which can damage DNA. In this work, plasmid DNA (pUC 9.1) was incubated with SnCl(2) under different conditions and the results analyzed through DNA migration in agarose gel electrophoresis. Our data reinforce the powerful damaging effect induced by stannous ion and suggest that this salt can play a direct role in inducing DNA lesions.

Study Type : In Vitro Study
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