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δ Opioid receptors

The δ-opioid receptor, or delta opioid receptor, often abbreviated DOR or DOP, is an inhibitory 7-transmembrane G-protein coupled receptor coupled to the G protein Gi/G0 which has enkephalins as its endogenous ligands.  In the CNS, δ opioid receptors are primarily distributed in the olfactory bulb, nucleus accumbens, caudate putamen and neocortex, with lower levels present in the thalamus, hypothalamus and brainstem. δ opioid receptors play a role in analgesia, motor integration, gastrointestinal motility, olfaction, respiration, cognitive function and also in mood disorders such as anxiety and depression.

Peptides
Cat No. Product Name Activity
CY-050 YHIEPV Increases neural leptin responsiveness
DR-010 [D-Ala2]-Deltorphin II

Highly selective δ receptor agonist 

DR-020 [Leu5]-Enkephalin Endogenous  μ- and δ-opioid receptor agonist 

Further reading

Lutz and Kieffer (2013) Opioid receptors: distinct roles in mood disorders, Trends in Neurosciences 36(3) 195 PMID: 23219016

Gendron et al (2016) δ-Opioid Receptor Pharmacology. Pharmacological Reviews 68(3) 631 PMID: 27343248

Quirion et al (2020) The Delta-Opioid Receptor; a Target for the Treatment of Pain. Frontiers in Molecular Neuroscience 13 52 PMID: 32431594

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