Nerve cell miswiring linked to depression
Mouse study identifies gene needed for proper assembly of serotonin circuitry
![mouse brain](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/04/042717_EE_serotonin-circuitry_main.jpg?fit=860%2C460&ssl=1)
ALL TANGLED UP In a healthy mouse (left), nerve cells (white) that release serotonin extend through the hippocampus. But when a specific gene is knocked out, those nerve cell wires clump together (right).
T. Maniatis/Columbia's Zuckerman Institute