Targeting opioid receptor signaling in depression: do we need selective κ opioid receptor antagonists?
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The opioid receptors are a family of G-protein coupled receptors (GPCRs) with close structural homology. The opioid receptors are activated by a variety of endogenous opioid neuropeptides, principally β-endorphin, dynorphins, leu- and met-enkephalins. The cli... ...
