Anti-inflammatory and antiviral effects of minocycline in enterovirus 71 infections

Yu Ting Liao, Shih-Min Wang, Shun Hua Chen

研究成果: Article

摘要

Enterovirus 71 (EV71) brainstem encephalitis (BE) is divided into—uncomplicated BE, autonomic nervous system (ANS) dysregulation, and pulmonary edema (PE)—based on cytokine-mediated severe systemic and central nervous system (CNS) inflammatory responses. Minocycline has been found to have anti-inflammatory and immunomodulatory properties in infectious and inflammatory neurological disease models. The effects of minocycline on EV71 infection were studied in vitro and in vivo experiments. The minocycline treatment (100–300 μg/mL) on cytokine expressions and viral replications were investigated in rhabdomyosarcoma (RD), U-87MG, and THP-1 cells. The mouse-adapted-EV71 strain (MP4)-infected 7-day-old ICR mice model was used to explore the anti-inflammatory and antiviral effects of minocycline (1 and 5 μg/g) for the treatment of EV71 infection. In in vitro, minocycline reduced cytopathic effects (CPEs), viral protein expressions, viral titers, the levels of interleukin (IL)-6 and IL-8 and relative mRNA expressions of IL-12p40, IL-1β, and tumor necrosis factor (TNF) after EV71 infection. The levels of TNF, IL-1β, IL-6, and IL-8 decreased with a single dose of minocycline in EV71-infected THP-1 cells. Double-dose minocycline treatment demonstrated more effective reduction in cytokines. In the MP4-infected animal model, clinical scores, mortality rates and viral titers in various brain tissues were decreased evidently after double-dose minocycline treatment. Minocycline inhibited IL-6 and granulocyte colony-stimulating factor (G-CSF) in plasma and TNF in the cerebellum. Minocycline has properties that enable it to function both as an anti-inflammatory and antiviral agent in EV71 infection. These results evidence its potential usefulness in clinical treatment.

原文English
文章編號109271
期刊Biomedicine and Pharmacotherapy
118
DOIs
出版狀態Published - 2019 十月 1

指紋

Enterovirus Infections
Minocycline
Antiviral Agents
Anti-Inflammatory Agents
Enterovirus
Interleukin-6
Tumor Necrosis Factor-alpha
Encephalitis
Cytokines
Interleukin-8
Interleukin-1
Brain Stem
Neurological Models
Inbred ICR Mouse
Rhabdomyosarcoma
Interleukins
Autonomic Nervous System
Viral Proteins
Granulocyte Colony-Stimulating Factor
Pulmonary Edema

All Science Journal Classification (ASJC) codes

  • Pharmacology

引用此文

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abstract = "Enterovirus 71 (EV71) brainstem encephalitis (BE) is divided into—uncomplicated BE, autonomic nervous system (ANS) dysregulation, and pulmonary edema (PE)—based on cytokine-mediated severe systemic and central nervous system (CNS) inflammatory responses. Minocycline has been found to have anti-inflammatory and immunomodulatory properties in infectious and inflammatory neurological disease models. The effects of minocycline on EV71 infection were studied in vitro and in vivo experiments. The minocycline treatment (100–300 μg/mL) on cytokine expressions and viral replications were investigated in rhabdomyosarcoma (RD), U-87MG, and THP-1 cells. The mouse-adapted-EV71 strain (MP4)-infected 7-day-old ICR mice model was used to explore the anti-inflammatory and antiviral effects of minocycline (1 and 5 μg/g) for the treatment of EV71 infection. In in vitro, minocycline reduced cytopathic effects (CPEs), viral protein expressions, viral titers, the levels of interleukin (IL)-6 and IL-8 and relative mRNA expressions of IL-12p40, IL-1β, and tumor necrosis factor (TNF) after EV71 infection. The levels of TNF, IL-1β, IL-6, and IL-8 decreased with a single dose of minocycline in EV71-infected THP-1 cells. Double-dose minocycline treatment demonstrated more effective reduction in cytokines. In the MP4-infected animal model, clinical scores, mortality rates and viral titers in various brain tissues were decreased evidently after double-dose minocycline treatment. Minocycline inhibited IL-6 and granulocyte colony-stimulating factor (G-CSF) in plasma and TNF in the cerebellum. Minocycline has properties that enable it to function both as an anti-inflammatory and antiviral agent in EV71 infection. These results evidence its potential usefulness in clinical treatment.",
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Anti-inflammatory and antiviral effects of minocycline in enterovirus 71 infections. / Liao, Yu Ting; Wang, Shih-Min; Chen, Shun Hua.

於: Biomedicine and Pharmacotherapy, 卷 118, 109271, 01.10.2019.

研究成果: Article

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