ITAM Signaling by Vav Family Rho Guanine Nucleotide Exchange Factors Regulates Interstitial Transit Rates of Neutrophils In Vivo
2009

Control of Neutrophil Velocity

publication Evidence: moderate

Author Information

Author(s): Graham Daniel B. Zinselmeyer, Bernd H. Mascarenhas, Francesca Delgado, Ryan Miller, Mark J. Swat

Primary Institution: Washington University School of Medicine

Hypothesis

Signals from ITAM-containing receptors mediated by Vav family Rho GEFs control the velocity of neutrophil migration towards sites of bacterial infection.

Conclusion

The study shows that signals from ITAM-containing receptors specifically control the velocity of neutrophil migration without affecting its direction.

Supporting Evidence

  • Neutrophils migrate towards infection sites to control microbial growth.
  • Vav family Rho GEFs are crucial for regulating neutrophil velocity.
  • Neutrophils showed a strong directional bias in their migration.

Takeaway

Neutrophils are like little soldiers that move quickly to fight infections, and this study found that certain signals help them move faster.

Methodology

Two-photon microscopy was used to study neutrophil responses during subcutaneous infection with bacteria.

Statistical Information

P-Value

0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0004652

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication