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- W4378808219 abstract "Abstract Microglia are key players in maintaining brain homeostasis and exhibit phenotypic alterations in response to epileptic stimuli. However, it is still relatively unknown if these alterations are pro- or anti-epileptic. To unravel this dilemma, we employed chemogenetic manipulation of microglia via of the artificial Gi-Dreadd receptor within a kainic acid (KA) induced murine seizure model. Our results indicate that Gi-Dreadd activation can reduce seizure severity. Additionally, we observed increased interaction between microglia and neuronal soma, which correlated with reduced neuronal hyperactivity. Interestingly, prolonged activation of microglial Gi-Dreadds by repeated doses over 3 days, arrested microglia in a less active, homeostatic-like state, which associated with increased neuronal loss after KA induced seizures. RNAseq analysis revealed that prolonged activation of Gi-Dreadd interferes with interferon β signaling and microglia proliferation. Thus, our findings highlight the importance of microglial activation not only during status epilepticus (SE) but also within later seizure induced pathology." @default.
- W4378808219 created "2023-06-01" @default.
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- W4378808219 date "2023-05-31" @default.
- W4378808219 modified "2023-09-27" @default.
- W4378808219 title "Chemogenetic approaches reveal dual functions of microglia in epilepsy" @default.
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- W4378808219 doi "https://doi.org/10.1101/2023.05.28.542660" @default.
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