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Interleukin-10 in acute respiratory virus infection

Interleukin-10 in acute respiratory virus infection
白介素10在急性呼吸道病毒感染中的作用
批准号:
7746088
负责人:
Thomas J Braciale
金额:
$24.83万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-06-18 至 2014-05-31

项目摘要

项目成果

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中文摘要
翻译
肺部炎症和损伤是病毒感染的常见结果(在某些情况下是致命的)
英文摘要
Pulmonary inflammation and injury is a frequent (and, in some instances, lethal) outcome of virus infections of the respiratory tract. Respiratory virus infection triggers a coordinated response from the host innate and adaptive immune systems. The host response is essential for virus clearance and recovery, but is also a significant cause of pulmonary injury that can accompany virus elimination. Relevant recent examples of this are the immune-mediated lung inflammation/injury observed in human infections with the SARS coronavirus and the H5N1 avian influenza viruses. The long-term goal of Project 1 is to define and characterize the interactions between cells of the innate immune system i.e. dendritic cells, monocyte/ macrophage, NK cells and adaptive immune effector T lymphocytes (Tej in the process of virus clearance and in the control of inflammation/injury during experimental virus infection of the respiratory tract. The foundation for this application is our recent and unexpected findings in the murine model of type A influenza infection that anti-viral effector T-cells (both CD4 +Te and more prominently CDS +Te) infiltrating the infected lungs produce high levels of the anti-inflammatory/regulatory cytokines IL-10 during the Te response to infection and virus elimination. Furthermore, we found that blocking the effect of Te-derived IL- 10 during infection results in increased pulmonary inflammation and lethal injury. Our evidence further suggests that this Te-derived IL-10 plays a central role in controlling the level of lung inflammation/injury produced by mononuclear cells infiltrating the infected lungs in response to virus infection and the proinflammatory mediators released by virus- immune (Te). We wish to analyze the expression and regulation of IL-10 and specifically Te-derived IL-10 in the infected lungs and the impact of this cytokine on the control of virus clearance and lung inflammation/injury. The aims of Project 1 are: 1. To evaluate the cellular sources and effects of IL-10 on influenza virus infection; 2. To analyze the regulation of IL-10 production by Te during influenza infection; 3. To determine the impact of viral infection on the production of Te-derived IL- 10. The proposed studies are designed to complement ongoing related studies in Projects 2, 3 and 4.
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Leukotriene modifying agents in the prevention of excess morbidity and mortality from influenza
Leukotriene modifying agents in the prevention of excess morbidity and mortality from influenza
Adipokines in Pulmonary Viral Infection
  • 批准号:
    8974711
  • 项目类别:
  • 资助金额:
    $23.7万
  • 财政年份:
    2015
  • 负责人:
    Thomas J Braciale
  • 依托单位:
Adipokines in Pulmonary Viral Infection
  • 批准号:
    9089941
  • 项目类别:
  • 资助金额:
    $19.75万
  • 财政年份:
    2015
  • 负责人:
    Thomas J Braciale
  • 依托单位:
海外基金