A Rapid Crosstalk of Human γδ T Cells and Monocytes Drives the Acute Inflammation in Bacterial Infections
2009

How Human γδ T Cells and Monocytes Work Together in Bacterial Infections

Sample size: 43 publication 10 minutes Evidence: high

Author Information

Author(s): Eberl Matthias, Roberts Gareth W., Meuter Simone, Williams John D., Topley Nicholas, Moser Bernhard

Primary Institution: Cardiff University, Cardiff, United Kingdom

Hypothesis

The study investigates the interaction between Vγ9/Vδ2 T cells and monocytes during bacterial infections and their role in the immune response.

Conclusion

The findings suggest that Vγ9/Vδ2 T cells and monocytes rapidly interact to enhance the immune response during bacterial infections.

Supporting Evidence

  • Vγ9/Vδ2 T cells are a minor subset of T cells in human blood and respond quickly to microbial infections.
  • The study found that Vγ9/Vδ2 T cells and monocytes interact to produce inflammatory mediators.
  • Monocytes can differentiate into antigen-presenting cells when activated by γδ T cells.
  • The research highlights the importance of HMB-PP in activating γδ T cells.
  • Elevated levels of γδ T cells and inflammatory mediators were observed in patients with bacterial peritonitis.

Takeaway

This study shows that special immune cells called γδ T cells help other immune cells called monocytes work better when fighting off bacteria.

Methodology

The study used in vitro co-culture systems of Vγ9/Vδ2 T cells and monocytes with the microbial metabolite HMB-PP to analyze their interactions and effects on immune responses.

Limitations

The study primarily focuses on in vitro models, which may not fully replicate in vivo conditions.

Participant Demographics

Patients on continuous ambulatory peritoneal dialysis, with a focus on those experiencing bacterial peritonitis.

Digital Object Identifier (DOI)

10.1371/journal.ppat.1000308

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