首页> 外文期刊>Clinical immunology: The official journal of the Clinical Immunology Society >Prednisolone mediated suppression of HIV-1 viral load strongly correlates with C-C chemokine CCL2: In vivo and in vitro findings.
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Prednisolone mediated suppression of HIV-1 viral load strongly correlates with C-C chemokine CCL2: In vivo and in vitro findings.

机译:泼尼松龙介导的HIV-1病毒载量抑制与C-C趋化因子CCL2密切相关:体内和体外发现。

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摘要

CCL2 (MCP-1) is a proinflammatory chemokine induced in HIV-1 infection. We have previously demonstrated a significant correlation of CCL2 gene expression with HIV-1 viremia. In this study we investigated the effect of prednisolone on CCL2 gene expression and viral load in an HIV-1-infected patient receiving high-dose prednisolone for severe uveitis. We observed a >1 log reduction of HIV-1 viral load, associated with more than hundred fold reduction of CCL2 expression at day 3 of prednisolone treatment. In vitro HIV-1 infection of PBMC demonstrated reduced HIV-1 replication in the presence of prednisolone. Flow cytometric analysis revealed 50% reduction of LTR driven GFP activity by prednisolone in GHOST cells. These findings indicate that prednisolone suppresses both HIV-1 viral load and CCL2 mRNA expression, an association which might be exploited for future anti-inflammatory therapeutic strategies in HIV-1 infection.
机译:CCL2(MCP-1)是在HIV-1感染中诱导的促炎趋化因子。先前我们已经证明CCL2基因表达与HIV-1病毒血症之间存在显着相关性。在这项研究中,我们调查了泼尼松龙对接受大剂量泼尼松龙治疗的严重葡萄膜炎的HIV-1感染患者的CCL2基因表达和病毒载量的影响。我们观察到泼尼松龙治疗第3天,HIV-1病毒载量减少> 1 log,与CCL2表达减少百倍以上有关。 PBMC的体外HIV-1感染表明在泼尼松龙存在下HIV-1复制减少。流式细胞仪分析显示强的松龙在GHOST细胞中LTR驱动的GFP活性降低了50%。这些发现表明泼尼松龙可同时抑制HIV-1病毒载量和CCL2 mRNA表达,这一关联可用于HIV-1感染的未来抗炎治疗策略。

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