Mu Opioid Receptors in One Brain Region Contribute to Naloxone Aversion

Mice genetically engineered to lack mu opioid receptors in the medial habenula were less sensitive to the unpleasant effects of the opioid antagonist naloxone and showed fewer naloxone-induced withdrawal symptoms.
Source: NIDA News - Category: Addiction Tags: Morphine, NIDA Notes, Opioids, Basic Science, Pain, Brain, Addiction Science Source Type: news