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Resilience to chronic stress is mediated by noradrenergic regulation of dopamine neurons

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Isingrini, Elsa | Perret, Lea | Rainer, Quentin | Amilhon, Benedicte | Guma, Elisa | Tanti, Arnaud | Martin, Garance | Robinson, Jennifer | Moquin, Luc | Marti, Fabio | Mechawar, Naguib | Williams, Sylvain | Gratton, Alain | Giros, Bruno

Edité par CCSD ; Nature Publishing Group -

International audience. Dopamine (DA) neurons in the ventral tegmental area (VTA) help mediate stress susceptibility and resilience. However, upstream mechanisms controlling these neurons remain unknown. Noradrenergic (NE) neurons in the locus coeruleus, implicated in the pathophysiology of depression, have direct connections within the VTA. Here we demonstrate that NE neurons regulate vulnerability to social defeat through inhibitory control of VTA DA neurons.

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