Morphine dependence and withdrawal induced changes in cholinergic signaling

Nichole M Neugebauer1, Emily B Einstein, Maria B Lopez

  • 1Division of Molecular Psychiatry, Abraham Ribicoff Research Facilities, Connecticut Mental Health Center, Yale University School of Medicine, New Haven, CT, USA.

Summary

Morphine dependence alters cholinergic signaling, specifically increasing nicotinic acetylcholine receptors (nAChRs) in the midbrain. While cholinergic drugs affect withdrawal behaviors, β4-containing nAChRs in the medial habenula do not drive these specific somatic signs.

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