Elevated 17β-Estradiol Protects Females from Influenza A Virus Pathogenesis by Suppressing Inflammatory Responses
2011

How Estradiol Protects Females from Influenza A Virus

Sample size: 30 publication 10 minutes Evidence: high

Author Information

Author(s): Dionne P. Robinson, Maria E. Lorenzo, William Jian, Sabra L. Klein

Primary Institution: The Johns Hopkins Bloomberg School of Public Health

Hypothesis

Do males and females respond differently to influenza A virus infection due to biological differences and sex steroid hormones?

Conclusion

Females experience worse outcomes from influenza A virus infection than males, which can be improved by administering high doses of estradiol.

Supporting Evidence

  • Females had a greater percent reduction in body mass and temperature than males after influenza infection.
  • Administration of estradiol significantly increased survival rates in females infected with influenza.
  • Removal of gonads eliminated sex differences in influenza pathogenesis.

Takeaway

Girls get sicker from the flu than boys, but giving them a special hormone called estradiol can help them feel better.

Methodology

Adult male and female C57BL/6 mice were infected with influenza A virus and monitored for changes in health over 21 days.

Potential Biases

Potential bias in interpreting results due to the use of a single animal model.

Limitations

The study was conducted in mice, which may not fully represent human responses to influenza.

Participant Demographics

Adult male and female C57BL/6 mice.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.ppat.1002149

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