Original ResearchPublished 7 October 2026Astrocyte maturation creates a stage-specific niche that instructs hippocampal neurogenesisEvangelia Masouti · Lucía Casares-Crespo · Andreas Sagner · Arne Gessner · Martin F. Fromm · Helena Mira · Ruth BeckervordersandforthFrontiers in Cellular Neurosciencedoi 10.3389/fncel.2026.1966983