Th17 Cells and IL-17 in Protective Immunity to Vaginal Candidiasis: A Protective Role for IL-17 in Candida Vaginitis
2011

The Role of IL-17 in Protecting Against Vaginal Candidiasis

Sample size: 12 publication 10 minutes Evidence: high

Author Information

Author(s): Pietrella Donatella, Rachini Anna, Pines Mark, Pandey Neelam, Mosci Paolo, Bistoni Francesco, d'Enfert Cristophe, Vecchiarelli Anna

Primary Institution: University of Perugia, Italy

Hypothesis

Th17 cells and IL-17 play a protective role in the immune response to vaginal candidiasis.

Conclusion

IL-17 and Th17 cells are crucial for the immune response against vaginal candidiasis, influencing the production of antimicrobial peptides.

Supporting Evidence

  • Vaginal candidiasis leads to a strong influx of neutrophils in the vagina soon after the challenge.
  • IL-17 production was detected in vaginal washes, peaking 14 days after infection.
  • Inhibition of Th17 differentiation significantly increased the fungal load in infected mice.
  • Production of beta defensin 2 was reduced when Th17 differentiation was inhibited.

Takeaway

This study shows that a special type of immune cell called Th17 helps protect against a common vaginal infection by producing a substance called IL-17, which helps fight off the infection.

Methodology

The study used a mouse model of vaginal candidiasis, monitoring infection progression through in vivo imaging and analyzing cytokine production in vaginal washes.

Limitations

The study primarily used a mouse model, which may not fully replicate human responses.

Participant Demographics

Female CD1 mice, approximately 8 weeks old.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022770

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