HIV interactions with host cell proteins

Paul Spearman, Eric O. Freed, editors

The authors seek to understand the assembly process of human immunodeficiency virus (HIV) and to develop a vaccine that can effectively neutralize HIV. HIV assembly is a process directed by the viral Gag polyprotein. Gag is a myristoylated precursor protein that is translated in the cytoplasm and then traffics to the plasma membrane or to endosomal vesicles for assembly. The authors have recently described an interaction between Gag and the delta subunit of the AP-3 adaptor protein complex (1). The mechanism and structural basis for this interaction is now under intense study. Our hypothesis is that the AP-3 interation is responsible for the trafficking of Gag to the multivesicular body (MVB) and that this event is part of a normal productive paritcle assembly pathway. The Vpu protein of HIV assists the virus assembly process through a poorly-defined mechanism. The authors have presented evidence that Vpu overcomes a host cell restriction to assembly (2). Vpu appears to act through interactions with the recycling pathways in the cell, rather than directly interacting with Gag (3). The nature of the host restriction to assembly that Vpu overcomes is a focus of our ongoing work.

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[目次]

  • Host Restriction of HIV-1 by APOBEC3 and Viral Evasion Through Vif.- Interactions of Viral protein U (Vpu) with Cellular Factors.- TRIM5alpha.- Human Immunodeficiency Virus Type-1 Gag and Host Vesicular Trafficking Pathways.- The Roles of Tetraspanins in HIV-1 Replication.- Imaging of HIV/Host Protein Interactions.- Virological and Cellular Roles of the Transcriptional Coactivator LEDGF/p75.- Implications of Nef: Host Cell Interactions in Viral Persistence and Progression to AIDS.- Vpr and Its Interactions with Cellular Proteins.

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この本の情報

書名 HIV interactions with host cell proteins
著作者等 Freed, Eric O
Spearman, Paul
Freed Eric O.
シリーズ名 Current topics in microbiology and immunology
出版元 Springer
刊行年月 c2009
ページ数 x, 204 p.
大きさ 24 cm
ISBN 9783642021749
NCID BB00897065
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言語 英語
出版国 ドイツ
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