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Neuron. 1993 Nov;11(5):903-13.

Cloning and pharmacological characterization of a rat mu opioid receptor.

Author information

1
Mental Health Research Institute, University of Michigan, Ann Arbor 48109-0720.

Abstract

We have isolated a rat cDNA clone that displays 75% amino acid homology with the mouse delta and rat kappa opioid receptors. The cDNA (designated pRMuR-12) encodes a protein of 398 amino acids comprising, in part, seven hydrophobic domains similar to those described for other G protein-linked receptors. Data from binding assays conducted with COS-1 cells transiently transfected with a CMV mammalian expression vector containing the full coding region of pRMuR-12 demonstrated mu receptor selectivity. In situ hybridization mRNA analysis revealed an mRNA distribution in rat brain that corresponds well to the distribution of binding sites labeled with mu-selective ligands. Based upon these observations, we conclude that pRMuR-12 encodes a mu opioid receptor.

PMID:
8240812
DOI:
10.1016/0896-6273(93)90120-g
[Indexed for MEDLINE]
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