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

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 HI...

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Veröffentlicht in:BMB reports 2018-06, Vol.51 (6), p.290-295
Hauptverfasser: Jung, Yu-Mi, Yu, Kyung-Lee, Park, Seong-Hyun, Lee, Seong-Deok, Kim, Min-Jeong, You, Ji-Chang
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container_issue 6
container_start_page 290
container_title BMB reports
container_volume 51
creator Jung, Yu-Mi
Yu, Kyung-Lee
Park, Seong-Hyun
Lee, Seong-Deok
Kim, Min-Jeong
You, Ji-Chang
description 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. [BMB Reports 2018; 51(6): 290-295]
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source PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry
subjects HIV-1
HIV-1 LTR
HIV-1 promoter
Transcription activation
YB-1
title Investigation of function and regulation of the YB-1 cellular factor in HIV replication
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