Inside a new research, we claimed the identification plus the characterization of a new atypical opioid receptor with special unfavorable regulatory Attributes to opioid peptides.1 Our results showed that ACKR3/CXCR7, hitherto called an atypical scavenger receptor for chemokines CXCL12 and CXCL11, is likewise a broad-spectrum scavenger for opioid p