Agonist that activates the μ-opioid receptor in acidified microenvironments inhibits colitis pain without side effects

Nestor Nivardo Jiménez-Vargas, Yang Yu, Dane D. Jensen, Diana Daeun Bok, Matthew Wisdom, Rocco Latorre, Cintya Lopez, Josue O. Jaramillo-Polanco, Claudius Degro, Mabel Guzman-Rodriguez, Quentin Tsang, Zachary Snow, Brian L. Schmidt, David E. Reed, Alan Edward Lomax, Kara Gross Margolis, Christoph Stein, Nigel W. Bunnett, Stephen J. Vanner