C57 and DBA mouse strains express distinct cocaine avoidance phenotypes in an operant runway independent of differences in striatal dynorphin-enkephalin balance
Bailey C. Remmers, In Bae Choi, Kanako Matsumura, Amélia Nicot, Sydney Cox, Lauren K. Dobbs
The paper tests if striatal dynorphin-enkephalin balance affects cocaine avoidance in mice, finding no significant strain differences or enkephalin necessity.
Psychopharmacology · Feb 7, 2026Peer-reviewedNeuroscience