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The gene that hijacks fear: How PTEN rewires the brain’s anxiety circuit
Deleting a gene called PTEN in certain brain cells disrupts the brain’s fear circuitry and triggers anxiety-like behavior in mice — key traits seen in autism. Researchers mapped how this genetic tweak throws off the brain's delicate balance of excitation and inhibition in the amygdala, offering deep insights into how one gene can drive specific ASD symptoms.
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