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http://dx.doi.org/10.5483/BMBRep.2018.51.6.231

Investigation of function and regulation of the YB-1 cellular factor in HIV replication  

Jung, Yu-Mi (National Research Laboratory for Molecular Virology, Department of Pathology, School of Medicine, The Catholic University of Korea)
Yu, Kyung-Lee (National Research Laboratory for Molecular Virology, Department of Pathology, School of Medicine, The Catholic University of Korea)
Park, Seong-Hyun (National Research Laboratory for Molecular Virology, Department of Pathology, School of Medicine, The Catholic University of Korea)
Lee, Seong-Deok (National Research Laboratory for Molecular Virology, Department of Pathology, School of Medicine, The Catholic University of Korea)
Kim, Min-Jeong (Avixgen Inc.)
You, Ji-Chang (National Research Laboratory for Molecular Virology, Department of Pathology, School of Medicine, The Catholic University of Korea)
Publication Information
BMB Reports / v.51, no.6, 2018 , pp. 290-295 More about this Journal
Abstract
Y-box binding protein 1 (YB-1) is a member of the cold-shock domain (CSD) protein superfamily. It participates in a wide variety of cellular events, including transcription, RNA splicing, translation, DNA repair, drug resistance, and stress responses. We investigated putative functions of YB-1 in HIV-1 replication. Functional studies using overexpression or knockdown of YB-1 in conjunction with transfection of proviral DNA showed that YB-1 enhances virus production. We found YB-1 regulates HIV-1 production by stimulating viral transcription using HIV-1 LTR sequence U3RU5 with Luciferase assay. We also identified a specific region from amino acids 1 to 324 of YB-1 as necessary for the participation of the protein in the production of virions.
Keywords
HIV-1; HIV-1 LTR; HIV-1 promoter; Transcription activation; YB-1;
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