Astrocytes play a key role in activation of microglia by persistent Borna disease virus infection
2008

Astrocytes Activate Microglia in Response to Borna Disease Virus Infection

publication Evidence: moderate

Author Information

Author(s): Ovanesov Mikhail V, Ayhan Yavuz, Wolbert Candie, Moldovan Krisztina, Sauder Christian, Pletnikov Mikhail V

Primary Institution: Johns Hopkins University School of Medicine

Hypothesis

Astrocytes mediate the activation of microglia by Borna disease virus-infected neurons.

Conclusion

The study shows that astrocytes play a crucial role in activating microglia in response to Borna disease virus infection.

Supporting Evidence

  • Astrocytes were shown to be essential for the activation of microglia by BDV-infected neurons.
  • Conditioned media from BDV-infected astrocytes activated microglia more effectively than direct infection.
  • RANTES was identified as a key marker for astrocyte activation in response to BDV.

Takeaway

When a virus infects brain cells, it can cause other brain cells called astrocytes to help activate immune cells called microglia, which can lead to brain damage.

Methodology

The study used mixed cultures of neurons, astrocytes, and microglia to evaluate the activation mechanisms.

Limitations

The study primarily focuses on in vitro models, which may not fully replicate in vivo conditions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1742-2094-5-50

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