Abstract:
:In view of the co-localization of spinal delta- and kappa-opioid receptors, we have investigated the interaction of selective opioid receptor agonists and antagonists in the spinal cord of mice in order to determine if these receptors are organized as heteromers. The finding that norbinaltorphimine (kappa) antagonized [D-Pen(2,5)]enkephalin (delta(1)), but not deltorphin II (delta(2)), strongly suggests that the putative delta(1)-subtype is a delta-kappa heteromer. Studies with selective opioid receptor (ant)agonists support this conclusion.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Portoghese PS,Lunzer MMdoi
10.1016/s0014-2999(03)01599-1keywords:
subject
Has Abstractpub_date
2003-04-25 00:00:00pages
233-4issue
1-3eissn
0014-2999issn
1879-0712pii
S0014299903015991journal_volume
467pub_type
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