Two different versions of the mu-opioid receptor within a cellular membrane illustrate how the receptor changes its conformation to send a signal into the cell. Scientists captured six high-resolution ...

Opioid receptors are proteins in the nervous system that interact with opioids. Opioid receptors are part of the endogenous opioid system. This is the body’s internal system for regulating pain, ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 119, No. 16 (April 19, 2022), pp. 1-10 (10 pages) Allosteric modulators of G-protein-coupled receptors (GPCRs) ...

Muse Treatment Alcohol & Drug Rehab Los Angeles has published a new educational resource that explains how opioid receptors function in the brain and why they play a central role in pain relief, ...

Scientists have known for decades that opioids relieve pain by binding to molecular switches in the brain called mu-opioid (pronounced "mew-opioid") receptors. What they didn't know - until now - was ...