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Alliance"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:p>Centrosomes are organelles that nucleate microtubules via the activity of gamma\u2013tubulin ring complexes (\u03b3-TuRC). In the developing brain, centrosome integrity is central to the progression of the neural progenitor cell cycle, and its loss leads to microcephaly. We show that NPCs maintain centrosome integrity via the endocytic adaptor protein complex-2 (AP-2). NPCs lacking AP-2 exhibit defects in centrosome formation and mitotic progression, accompanied by DNA damage and accumulation of p53. This function of AP-2 in regulating the proliferative capacity of NPCs is independent of its role in clathrin-mediated endocytosis and is coupled to its association with the GCP2, GCP3, and GCP4 components of \u03b3-TuRC. We find that AP-2 maintains \u03b3-TuRC organization and regulates centrosome function at the level of MT nucleation. 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