Validation experiment designed to validate causal mechanisms targeting Rab27a in Neonatal mice with dorsal subventricular zone manipulation. Primary outcome: Changes in microglia morphology and number following Rab27a knockdown
Neonatal electroporation and shRNA-mediated knockdown of Rab27a was performed in dorsal subventricular zone neural stem cells (NSCs) and astrocytes. This manipulation increased the number of CD11b/IBA1 positive rounded microglia, suggesting that disruption of EV release machinery affects microglial activation state. The experiment demonstrated that EV release pathways, particularly those involving Rab27a, are important for regulating microglial morphology and potentially activation in the developing nervous system.
Neonatal electroporation, shRNA-mediated knockdown, immunofluorescence analysis of microglia
Increased rounded microglia following disruption of EV release
Significant increase in CD11b/IBA1 positive rounded microglia
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