A novel anxiogenic role for the delta opioid receptor expressed in GABaergic forebrain neurons

Paul Chu Sin Chung, Helen L. Keyworth, Elena Martin-Garcia, Pauline Charbogne, Emmanuel Darcq, Alexis Bailey, Dominique Filliol, Audrey Matifas, Grégory Scherrer, Abdel Mouttalib Ouagazzal, Claire Gaveriaux-Ruff, Katia Befort, Rafael Maldonado, Ian Kitchen, Brigitte L. Kieffer^*