Anopheles gambiae heat shock protein cognate 70B impedes o'nyong-nyong virus replication
2007

HSC70B Protein Helps Control O'nyong-nyong Virus in Mosquitoes

Sample size: 15 publication Evidence: moderate

Author Information

Author(s): Sim Cheolho, Hong Young S, Tsetsarkin Konstantin A, Vanlandingham Dana L, Higgs Stephen, Collins Frank H

Primary Institution: The Center for Global Health and Infectious Diseases, University of Notre Dame

Hypothesis

Elevated gene expression of HSC70B may protect mosquito cells from ONNV-induced molecular damage.

Conclusion

HSC70B plays important roles in homeostasis and suppression of ONNV replication in the vector, An. gambiae.

Supporting Evidence

  • Silencing HSC70B increased ONNV replication in mosquitoes.
  • Mosquitoes with silenced HSC70B had significantly higher viral titers.
  • HSC70B knockdown reduced mosquito lifespan when infected with ONNV.

Takeaway

This study found that a protein called HSC70B helps mosquitoes fight off a virus called O'nyong-nyong, which can make people sick.

Methodology

The study used RNA interference to silence specific genes in mosquitoes and measured the effects on virus replication and mosquito survival.

Limitations

The RNAi technique cannot completely abolish target transcripts, which may affect the interpretation of results.

Participant Demographics

Adult female Anopheles gambiae mosquitoes were used in the study.

Statistical Information

P-Value

0.00045

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2164-8-231

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