Inhibition of HIV-1 gp41 expression with hammerhead ribozymes
2015
Despite great progress in the treatment of AIDS, HIV-1 remains one of the major concerns as a human pathogen. One of the therapeutic strategies against viral infections is the application of catalytic ribonucleic acids (ribozymes) that can significantly reduce expression of a target gene by site-specific hydrolysis of its mRNA. In the present paper, we report a study on the activity of several variants of hammerhead ribozymes targeting a conserved region within mRNA encoding HIV-1 envelope glycoprotein gp41. On the basis of the data from in vitro assays and gene silencing in the cultured cells, we propose a new hammerhead ribozyme targeting the gp41-encoding sequence that can be potentially used as a therapeutic agent in AIDS treatment. Moreover, we demonstrate that the hydrolytic activity of the ribozyme in the intracellular environment cannot be inferred solely from the results of in vitro experiments.
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