Pain

[P280] ET-1-induced attenuation of MOR activity differs between morphine and fentanyl

*Kaori Ohshima^1,2, Miki Nonaka², Yui Kuroda^2,3, Kanako Miyano², Hiroshi Takayanagi¹, Yasuhito Uezono^2,3 (1. Pathology, Immunology and Microbiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan, 2. Department of Pain Control Research, The Jikei University School of Medicine, Tokyo, Japan, 3. Department of Anesthesiology and Pain Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan)

Keywords:Analgesic, Endothelin A receptor antagonist, G protein-coupled receptor, Opioid, Pain