A Targeted Association Study of Immunity Genes and Networks Suggests Novel Associations with Placental Malaria Infection
2011

Genetic Study of Immunity Genes and Placental Malaria

Sample size: 279 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sikora Martin, Laayouni Hafid, Menendez Clara, Mayor Alfredo, Bardaji Azucena, Sigauque Betuel, Netea Mihai G., Casals Ferran, Bertranpetit Jaume

Primary Institution: Institute of Evolutionary Biology (UPF-CSIC), CEXS – UPF – PRBB, Barcelona, Catalonia, Spain

Hypothesis

Does genetic variation in immunity genes affect susceptibility to placental malaria infection?

Conclusion

The study suggests a role for IL-7 signaling in susceptibility to placental malaria infection.

Supporting Evidence

  • The study analyzed over 9,000 SNPs in relation to placental malaria infection.
  • Associations were found with variants in the KLRK1 gene and the IL-7 signaling pathway.
  • Results suggest that IL-7 signaling may influence susceptibility to placental malaria.

Takeaway

This study looked at how genes related to the immune system might affect whether pregnant women get malaria in their placenta. They found some interesting clues about certain genes.

Methodology

The study analyzed genetic variation in over 9,000 SNPs in more than 1,000 genes related to immunity and inflammation.

Potential Biases

Potential bias due to the focus on specific genes and the limited geographic representation of the sample.

Limitations

The study's sample size was limited, which may affect the power to detect associations.

Participant Demographics

360 pregnant women from Manhiça District, southern Mozambique.

Statistical Information

P-Value

5×10−5

Confidence Interval

95% CI 1.9–5.0

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0024996

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