HIV-1 Nef associates with p22-phox, a component of the NADPH oxidase protein complex.

Abstract:

:Altered neutrophil function may contribute to the development of AIDS during the course of HIV infection. It has been described that Nef, a regulatory protein from HIV, can modulate superoxide production in other cells, therefore altered superoxide production in neutrophils from HIV infected patients, could be secondary to a direct effect of Nef on components of the NADPH oxidase complex. In this work, we describe that Nef, was capable of increasing superoxide production in human neutrophils. Furthermore, a specific association between Nef and p22-phox, a membrane component of the NADPH oxidase complex, was found. We propose that this association may reflect a capability of Nef to modulate by direct association, the enzymatic complex responsible for one of the most efficient innate defense mechanisms in phagocytes, contributing to the pathogenesis of the disease.

journal_name

Cell Immunol

journal_title

Cellular immunology

authors

Salmen S,Colmenares M,Peterson DL,Reyes E,Rosales JD,Berrueta L

doi

10.1016/j.cellimm.2010.03.012

subject

Has Abstract

pub_date

2010-01-01 00:00:00

pages

166-71

issue

2

eissn

0008-8749

issn

1090-2163

pii

S0008-8749(10)00074-2

journal_volume

263

pub_type

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