Gene Expression Changes in Microglia Infected by a Neurovirulent Virus
Author Information
Author(s): Dimcheff Derek E, Volkert L Gwenn, Li Ying, DeLucia Angelo L, Lynch William P
Hypothesis
Does infection of microglia by the highly neurovirulent murine leukemia virus FrCasE induce specific gene expression changes that contribute to neurodegeneration?
Conclusion
Infection of microglia by the highly neurovirulent virus FrCasE does not induce significant physiological changes in these cells.
Supporting Evidence
- FrCasE infection did not induce ER stress genes in microglia.
- Only a small set of gene expression changes were observed between infected and uninfected microglia.
- SIGIRR transcript was the only gene consistently altered in culture but not in infected brain fractions.
Takeaway
The study found that the virus FrCasE does not change how microglia behave or express genes, suggesting it might not be the main cause of brain damage.
Methodology
The study used quantitative real-time RT-PCR and Affymetrix gene chips to analyze gene expression in microglia infected with FrCasE and a non-neurovirulent virus.
Limitations
The study may not capture all gene expression changes due to the limited number of genes represented on the gene chips used.
Digital Object Identifier (DOI)
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