Alpha-defensins 1-3 release by dendritic cells is reduced by estrogen
2011

Estrogen Reduces Alpha-Defensins 1-3 Release by Dendritic Cells

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): Maria M Escribese, Marta Rodríguez-García, Rhoda Sperling, Stephanie M Engel, Teresa Gallart, Thomas M Moran

Primary Institution: Mount Sinai School of Medicine, New York, NY, USA

Hypothesis

Does estrogen inhibit the secretion of alpha-defensins 1-3 by dendritic cells?

Conclusion

Estrogen inhibits the secretion of alpha-defensins 1-3 by myeloid dendritic cells, especially during the later stages of pregnancy.

Supporting Evidence

  • Estrogen treatment resulted in a dose-dependent reduction in alpha-defensin 1-3 secretion.
  • 40% of pregnant women showed reduced alpha-defensin 1-3 production in the later stages of pregnancy.
  • Directly isolated dendritic cells produced more alpha-defensins 1-3 than cultured cells.

Takeaway

This study found that a hormone called estrogen makes certain immune cells produce less of a protective protein during pregnancy.

Methodology

The study compared the secretion of alpha-defensins 1-3 from different types of dendritic cells and measured the effects of estrogen and progesterone treatments.

Potential Biases

Potential bias due to the small sample size and variability in individual responses.

Limitations

Patient variation in alpha-defensin secretion levels and the lack of statistical significance in some comparisons.

Participant Demographics

Pregnant women in their first and third trimesters.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1477-7827-9-118

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication