In vitro and in vivo activity of cyclopeptide Dmt-c[d-Lys-Phe-Asp]NH2, a mu opioid receptor agonist biased toward β-arrestin
Keywords: Cyclic opioid peptides; Binding assay; Calcium mobilization assay; Bioluminescence resonance energy transfer assay; Hot-plate test; Whole gastrointestinal transit test;