The purinergic receptor P2Y(13) controls the activation and mode of division of adult ventricular-subventricular zone neural stem cells.

P2Y13 purinergic receptor expression in adult V-SVZ neural stem cells distinguishes quiescent from activated states and regulates whether activation favors lineage progression over self-renewal.

• Why it matters: The adult V-SVZ generates neurons throughout life, but markers for NSC activation states and the signals controlling transitions from quiescence are limited.
• What they did: The study mapped P2Y13 expression in adult V-SVZ NSCs, used receptor levels to separate quiescent versus activated cells, and tested P2Y13 signaling with pharmacological blockade and genetic silencing.
• The result: P2Y13 signaling promotes NSC activation and lineage progression, while blockade or silencing shifts NSCs toward quiescence, implying P2Y13 is a key modulator of adult neurogenesis dynamics.

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