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Vitae
versión impresa ISSN 0121-4004
Resumen
ZABALA, Diego A; ECHAVARRIA, Bibiana y MARTINEZ, Alejandro. INHIBITORY ACTIVITY OF SOME MARINE SPONGE EXTRACTS FROM URABÁ GULF ON DIHYDROFOLATE REDUCTASE ENZYME. Vitae [online]. 2008, vol.15, n.2, pp.285-289. ISSN 0121-4004.
Dihydrofolate reductase is an enzyme involved in the production of pyrimidinic base timidin, a structural component of DNA, therefore whatever substance that inhibit this enzyme inhibit the DNA synthesis as a consequence and it can be potentially useful as a treatment of several types of cancer like lymphoblastic leukemias. In this work we determinate the inhibition grade that the ethanol extracts from Colombian marine sponges: Svenzea zeai, Amphimedon compressa, Ircinia campana, Aplysina archeri, Xestospongia proxima y Xestospongia muta, over the human purified enzyme dihydrofolate reductase. The results shown that most of marine sponge extracts inhibite the enzyme. Results are compared with methotrexate® a medicament used against cancer which is used as a control for the bioassays. Results demonstrate that some of the analyzed extracts have more inhibition than the control metotrexate®.
Palabras clave : Dihydrofolate reductase; metotrexate; marine sponges.