PIP2: choreographer of actin-adaptor proteins in the HIV-1 dance.

Abstract:

:The actin cytoskeleton plays a key role during the replication cycle of human immunodeficiency virus-1 (HIV-1). HIV-1 infection is affected by cellular proteins that influence the clustering of viral receptors or the subcortical actin cytoskeleton. Several of these actin-adaptor proteins are controlled by the second messenger phosphatidylinositol 4,5-biphosphate (PIP2), an important regulator of actin organization. PIP2 production is induced by HIV-1 attachment and facilitates viral infection. However, the importance of PIP2 in regulating cytoskeletal proteins and thus HIV-1 infection has been overlooked. This review examines recent reports describing the roles played by actin-adaptor proteins during HIV-1 infection of CD4+ T cells, highlighting the influence of the signaling lipid PIP2 in this process.

journal_name

Trends Microbiol

journal_title

Trends in microbiology

authors

Rocha-Perugini V,Gordon-Alonso M,Sánchez-Madrid F

doi

10.1016/j.tim.2014.03.009

subject

Has Abstract

pub_date

2014-07-01 00:00:00

pages

379-88

issue

7

eissn

0966-842X

issn

1878-4380

pii

S0966-842X(14)00071-7

journal_volume

22

pub_type

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