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Figure 5 | Journal of Neuroinflammation

Figure 5

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

Figure 5

Activated astrocytes produce soluble factors that activate microglia. The experimental design: Two-day old conditioned media collected from sister mock- or BDV-persistently infected neuronal cultures (culture #1: AF5, CA77 or primary neurons) were heat-inactivated and transferred to primary astrocytes (culture #2) to induce astrocyte activation. 24 hours after transfer of media, activated astrocytes were washed, fresh medium was added and collected one day later. This astrocyte conditioned medium was transferred to mixed neuron/astrocyte/microglia (culture #3) to induce microglia activation.

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