A globally occurring indel polymorphism in the promoter of the IFNA2 gene is not associated with severity of malaria but with the positivity rate of HCV
2008

Indel Polymorphism in IFNA2 Gene and Its Association with Malaria and HCV

Sample size: 1256 publication Evidence: moderate

Author Information

Author(s): Cristina Tena-Tomás, Iara de Messias-Reason, Le H. Song, Jürgen Tomiuk, Peter G. Kremsner, Jürgen F. J. Kun

Primary Institution: Department of Parasitology, Institute for Tropical Medicine, Tübingen, Germany

Hypothesis

Is the indel polymorphism in the promoter of the IFNA2 gene associated with disease outcomes in malaria and hepatitis C virus infections?

Conclusion

The indel polymorphism in the IFNA2 gene is not associated with malaria severity but is more prevalent in hepatitis C virus positive individuals.

Supporting Evidence

  • The indel polymorphism was found in all populations analyzed.
  • No association was found between the polymorphism and malaria severity.
  • The polymorphism was more frequent in hepatitis C virus positive individuals compared to healthy controls.

Takeaway

This study looked at a genetic change in a gene related to immune response and found it doesn't affect malaria but is linked to hepatitis C.

Methodology

The study analyzed genetic samples from five populations to assess the frequency of an indel polymorphism in the IFNA2 gene and its association with malaria and hepatitis C.

Limitations

The study may require larger cohorts to detect significant associations in malaria outcomes.

Participant Demographics

Participants included healthy blood donors and patients from Vietnam, Central Africa, and Brazil, with varying severities of malaria and hepatitis C.

Statistical Information

P-Value

0.014

Confidence Interval

1–4

Statistical Significance

p = 0.014

Digital Object Identifier (DOI)

10.1186/1471-2156-9-80

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