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Inhibition of the functions of the nucleocapsid protein of human immunodeficiency virus-1 by an RNA aptamer
Authors:Kim Mee Young  Jeong Sunjoo
Institution:Department of Molecular Biology, Institute of Nanosensor and Biotechnology, Dankook University, Seoul 140-714, Republic of Korea.
Abstract:The nucleocapsid (NC) protein plays many roles in the life cycle of human immunodeficiency virus type-1 (HIV-1). Previously we selected the NC binding RNA aptamers from diverse forms of RNA libraries. Here we used one of the RNA aptamers to the NC protein, N70-13, and tested its effect on NC protein in vitro and in cells. The high affinity RNA aptamer completely abolished NC binding to the stable transactivation response hairpin and psi RNA stem-loops of HIV-1 RNA. When it was expressed in cells as an intramer it inhibited the packaging of viral genomic RNA and therefore promises to be an effective anti-HIV therapeutic tool.
Keywords:HIV-1  Nucleocapsid  RNA aptamer  Intramer
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