Autocrine Regulation of Pulmonary Inflammation by Effector T-Cell Derived IL-10 during Infection with Respiratory Syncytial Virus
2011

How T-Cells Help Control Lung Inflammation During RSV Infection

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Author Information

Author(s): Sun Jie, Cardani Amber, Sharma Ashish K., Laubach Victor E., Jack Robert S., Müller Werner, Braciale Thomas J.

Primary Institution: The University of Virginia

Hypothesis

What role does IL-10 produced by effector T cells play in controlling pulmonary inflammation during respiratory syncytial virus (RSV) infection?

Conclusion

Effector T cell-derived IL-10 is crucial for limiting excessive pulmonary inflammation and maintaining lung function during RSV infection.

Supporting Evidence

  • High levels of IL-10 are produced by effector T cells in the lungs during RSV infection.
  • Effector T cell-derived IL-10 limits excessive inflammation and maintains lung function.
  • Blocking IL-10 signaling increases pulmonary inflammation and morbidity without affecting viral clearance.

Takeaway

T-cells in the lungs help keep inflammation in check when babies get sick with RSV, which is important for their breathing.

Methodology

The study used a murine model of RSV infection to examine the role of IL-10 produced by effector T cells in controlling pulmonary inflammation.

Limitations

The study primarily used a murine model, which may not fully replicate human responses to RSV infection.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.ppat.1002173

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