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Brief Report: Pulmonary Tuberculosis Is Associated With Persistent Systemic Inflammation and Decreased HIV-1 Reservoir Markers in Coinfected Ugandans.


ABSTRACT: BACKGROUND:Mycobacterium tuberculosis (TB) infection induces systemic inflammation that could impact HIV-1 persistence. SETTING:HIV-1-seropositive individuals either with or without pulmonary TB disease were recruited in Kampala, Uganda. METHODS:Plasma cytokines, HIV-1 DNA, and cell-associated (ca)-RNA were compared among those coinfected with TB (cases) to those without TB (controls). TB-coinfected cases and controls were compared at presentation (n = 15 and n = 16, respectively) and at around 6 months after HIV-1 treatment initiation among those who had achieved virologic suppression (n = 6 and n = 8, respectively). At follow-up, the TB-coinfected cases had also finished TB treatment. RESULTS:Before treatment, the TB-coinfected cases as compared to the controls had higher levels of soluble(s)-CD163 (P = 0.0002) and interleukin-6 (P = 0.006) but lower levels of macrophage chemoattractant protein-1 (P = 0.04). After treatment, the TB-coinfected cases as compared to controls still had higher plasma s-CD163 levels (P = 0007). Controls as compared to the coinfected cases had higher ca-RNA per DNA template both at baseline (P = 0.03) and at follow-up (P = 0.07). Levels of ca-RNA per DNA copy at follow-up showed a negative correlation with baseline plasma s-CD163 (P = 0.008) and interleukin-6 (P = 0.05) levels. CONCLUSIONS:TB disease is associated with inflammation and decreased HIV-1 RNA expression relative to the number of infected cells, both before and after viral suppression. Infections present before antiretroviral initiation impact HIV-1 latency.

SUBMITTER: Olson A 

PROVIDER: S-EPMC6506856 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature

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Brief Report: Pulmonary Tuberculosis Is Associated With Persistent Systemic Inflammation and Decreased HIV-1 Reservoir Markers in Coinfected Ugandans.

Olson Alex A   Ragan Elizabeth J EJ   Nakiyingi Lydia L   Lin Nina N   Jacobson Karen R KR   Ellner Jerrold J JJ   Manabe Yukari C YC   Sagar Manish M  

Journal of acquired immune deficiency syndromes (1999) 20181101 3


<h4>Background</h4>Mycobacterium tuberculosis (TB) infection induces systemic inflammation that could impact HIV-1 persistence.<h4>Setting</h4>HIV-1-seropositive individuals either with or without pulmonary TB disease were recruited in Kampala, Uganda.<h4>Methods</h4>Plasma cytokines, HIV-1 DNA, and cell-associated (ca)-RNA were compared among those coinfected with TB (cases) to those without TB (controls). TB-coinfected cases and controls were compared at presentation (n = 15 and n = 16, respec  ...[more]

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