Neuroinflammatory astrocyte subtypes in the mouse brain | Nature Neuroscience
Using single-cell RNA sequencing and spatial transcriptomics, Hasel et al. uncover complex reactive astrocyte subtypes that occupy distinct areas of the brain. They find two super-responders expressing unique genes in strategic locations in the brain.
Subjects Astrocyte Glial biology Abstract Astrocytes undergo an inflammatory transition after infections, acute injuries and chronic neurodegenerative diseases. How this transition is affected by time and sex, its heterogeneity at the single-cell level and how sub-states are spatially distributed in the brain remains unclear. In this study, we investigated transcriptome changes of mouse cortical astrocytes after an acute inflammatory stimulus using the bacterial cell wall endotoxin lipopolysaccharide. We identified fast transcriptomic changes in astrocytes occurring within hours that drastical
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