A nucleolar localizing Rev binding element inhibits HIV replication

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Abstract

The Rev protein of the human immunodeficiency virus (HIV) facilitates the nuclear export of intron containing viral mRNAs allowing formation of infectious virions. Rev traffics through the nucleolus and shuttles between the nucleus and cytoplasm. Rev multimerization and interaction with the export protein CRM1 takes place in the nucleolus. To test the importance of Rev nucleolar trafficking in the HIV-1 replication cycle, we created a nucleolar localizing Rev Response Element (RRE) decoy and tested this for its anti-HIV activity. The RRE decoy provided marked inhibition of HIV-1 replication in both the CEM T-cell line and in primary CD34+ derived monocytes. These results demonstrate that titration of Rev in the nucleolus impairs HIV-1 replication and supports a functional role for Rev trafficking in this sub-cellular compartment. © 2006 Michienzi et al; licensee BioMed Central Ltd.

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Michienzi, A., De Angelis, F. G., Bozzoni, I., & Rossi, J. J. (2006). A nucleolar localizing Rev binding element inhibits HIV replication. AIDS Research and Therapy, 3(1). https://doi.org/10.1186/1742-6405-3-13

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