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Immune Response Against Salmonella Enteritidis Is Unsettled by HIV Infection.

Immune Response Against Salmonella Enteritidis Is Unsettled by HIV Infection.
Author Information (click to view)

Cacemiro MC, Espíndola MS, Galvão-Lima LJ, Soares LS, Fontanari C, Prata MA, Campioni F, Falcão JP, Bollela VR, Frantz FG,


Cacemiro MC, Espíndola MS, Galvão-Lima LJ, Soares LS, Fontanari C, Prata MA, Campioni F, Falcão JP, Bollela VR, Frantz FG, (click to view)

Cacemiro MC, Espíndola MS, Galvão-Lima LJ, Soares LS, Fontanari C, Prata MA, Campioni F, Falcão JP, Bollela VR, Frantz FG,

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Advances in experimental medicine and biology 2017 04 27() doi 10.1007/5584_2017_40

Abstract

The human immunodeficiency virus (HIV) is responsible for more than 2 million new infections per year and opportunistic infections such as Salmonella spp. Gastroenteritis is an important cause of mortality and morbidity in developing countries. Monocytes and macrophages play a critical role in the innate immune response against bacterial infections. However during HIV infection the virus can infect these cells and although they are more resistant to the cytopathic effects, they represent an important viral reservoir in these patients. Our aim was to evaluate the monocyte functions from HIV-1 infected patients after in vitro exposition to Salmonella Enteritidis. Our results suggest impairment of monocytes phagocytic and microbicidal activity in HIV-1 non-treated patients, which was more evident in women, if compared with men. Moreover, monocytes from HIV-1 infected and non-treated patients after stimulation with the bacteria, produced more pro-inflammatory cytokines than monocytes from HIV-treated patients, suggesting that HIV-1 infected patients have their functions unbalanced, once in the presence of an opportunistic infection in vitro.

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