%0 Journal Article %T Modelos en desarrollo de terapias derivadas de biotecnolog¨ªa %A Jaimes Monroy %A Gustavo %J Revista Colombiana de Ciencias Qu¨ªmico - Farmac¨¦uticas %D 2007 %I Scientific Electronic Library Online %X the objective of gene therapy for the treatment of cancer is to kill tumor cells but preserve normal tissue. a variety of strategies to achieve these aims have demonstrated promising results in the laboratory, including molecules that can specifically target pre-determined sequences in the dna or rnam; that sequences provide a means to modulate endogenous gene function. the different types of molecules: triplex forming molecules, antisense oligodeoxynucleotides, ribozymes, rna interference, aptamers and decoys, are reviewed in this paper. %K interference rna %K antisense therapy %K ribozymes %K aptamers %K oligonucleotides triplex helix formers %K decoys. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0034-74182007000100007&lng=en&nrm=iso&tlng=en