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Revista MVZ Córdoba
versão impressa ISSN 0122-0268
Resumo
BLANDON G, Lina; MARQUEZ F, Diana; LOPEZ O, Juan e MARQUEZ F, Maria. Biological evaluation of a fraction from the colombian Caribbean sponge Topsentia ophiraphidites. Rev.MVZ Cordoba [online]. 2013, vol.18, suppl.1, pp.3633-3641. ISSN 0122-0268.
Objective. To evaluate the antiproliferative and genotoxic activity of a fraction (T4 fraction) of the Colombian Caribbean marine sponge Topsentia ophiraphidites, with cytotoxic activity. Materials and methods. T4 fraction from the marine sponge Topsentia ophiraphidites was provided by the group of marine natural products from Universidad de Antioquia. The antiproliferative activity was evaluated by cloning efficiency tests, accumulation function, and proliferative kinetics by sister chromatid exchange (SCE), genotoxic activity was evaluated by SCE and gel electrophoresis of individual cells (Comet assay). All tests were performed on Jurkat and CHO cell lines. Results. The T4 fraction affected the cell cycle of CHO cells and presented chronic genotoxic damage in Jurkat cells. Conclusions. It is recommended to evaluate the T4 fraction in other derived tumor cell lines, in order to observe a possible differential effect, and to evaluate antimicrobial and antimalarial activities among others.
Palavras-chave : Cytotoxicity; genotoxicity; marine fisheries; sponge.