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Schematic of experimental outline. Endoxifen was injected intracranially into the cortex of 8- to 11-week-old GFAP-CreERT2; LSL-tdTomato; p53wt/wt (p53Gfap-wt/wt) or GFAP-CreERT2; LSL-tdTomato; p53flox/flox (p53Gfap-icKO). 8–10 months postinjection, mice were sacrificed, and fate-mapped astrocytes (tdTomato+) were assessed by immunostaining.

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