Multiple mu receptors: evidence for mu2 sites in the guinea pig ileum

Buatti, 1981, Multiple opiate receptors: phylogenetic differences, Brain Res., 218, 400, 10.1016/0006-8993(81)91319-6 Chavkin, 1982, Dynorphin is a specific endogenous ligand of the x opioid receptor, Science, 215, 413, 10.1126/science.6120570 Ehrenpreis, 1972, 319 Gintzler, 1979, Serotonin participation in gut withdrawal from opiates, J. Pharmacol exp. Ther., 211, 7 Gintzler, 1980, Substance P involvement in the expression of gut dependence on opiates, Brain Res., 182, 224, 10.1016/0006-8993(80)90850-1 Gintzler, 1974, Interaction between serotonin and morphine in the guinea pig ileum, J. Pharmacol. Exp. Ther., 188, 484 Gintzler, 1982, Physiological correlates of multiple subtypes of enteric delta receptors: functional analysis of myenteric δ opiate receptors, Brain Res., 238, 254, 10.1016/0006-8993(82)90793-4 Gintzler, 1982, Effects of opioids on noncholinergic excitatory responses of the isolated guinea pig ileum; inhibition of release of enteric substance P, Brit. J. Pharmacol., 75, 199, 10.1111/j.1476-5381.1982.tb08773.x Goldstein, 1973, Morphine tolerant longitudinal muscle strip from guinea pig ileum, Brit. J. Pharmacol., 48, 644, 10.1111/j.1476-5381.1973.tb08254.x Hahn, 1982, Irreversible opiate agonists and antagonists: the 14-hydrodihydromorphonazines, J. Neurosci., 2, 572, 10.1523/JNEUROSCI.02-05-00572.1982 Kosterlitz, 1973, Morphine receptor in the myenteric plexus of the guinea pig ileum, 45 Kosterlitz, 1975, In vitro models in the structure activity relationships of narcotic analgesics, Ann. Rev. Pharmacol., 15, 29, 10.1146/annurev.pa.15.040175.000333 Leslie, 1980, Opioid binding properties of brain and peripheral tissues: evidence for heterogeneity in opioid ligand binding sites, J. Pharmacol. exp. Ther., 214, 495 Ling, 1982, Morphine catalepsy in the rat: involvement of mu1 (high affinity) opioid binding sites, Neurosci. Lett., 32, 193, 10.1016/0304-3940(82)90273-7 Ling, 1983, Dissociation of morphine's analgesic and respiratory depressant actions, Europ J. Pharmacol., 86, 487, 10.1016/0014-2999(83)90203-0 Lord, 1977, Endogenous opioid peptides: multiple agonists and receptors, Nature (Lond.), 267, 495, 10.1038/267495a0 Martin, 1976, The effects of morphine and nalorphine-like drugs in the nondependent and morphine-dependent chronic spinal dog, J. Pharmacol. exp. Ther., 197, 517 Mattila, 1962, The effect of morphine and nalorphine on the small intestine of normal and morphine tolerant rat and guinea pig, Acta pharmacol. toxicol., 19, 47, 10.1111/j.1600-0773.1962.tb00338.x Pasternak, 1981, Opiate, enkephalin and endorphin analgesia: relations to a single subpopulation of opiate receptors, Neurology, 31, 1311, 10.1212/WNL.31.10.1311 Pasternak, 1980, Multiple opiate receptors: 1H-ethylketocyclazocine receptor binding and ketocyclazocine analgesia, 77, 691 Pasternak, 1980, Naloxazone, a long-acting opiate antagonist: effects in intact animals and on opiate receptor binding in vitro, J. Pharmacol. exp. Ther., 214, 455 Pasternak, 1975, Identification of novel high affinity opiate receptor binding in rat brain, Nature (Lond.), 253, 563, 10.1038/253563a0 Pasternak, 1975, Differential effects of protein-modifying reagents on receptor binding of opiate agonists and antagonists, Molec. Pharmacol., 11, 340 Paton, 1957, The action of morphine and related substances on contraction and on acetylcholine output of coaxially stimulated guinea pig ileum, Brit. J. Pharmacol., 12, 119 Spiegel, 1982, Prolactin and growth hormone release by morphine in the rat: different receptor mechanisms, Science, 217, 745, 10.1126/science.6285470 Wolozin, 1981, Classification of multiple morphine and enkephalin binding site in the central nervous system, 78, 6181 Wood, 1982, Mu opiate isoreceptors: differentiation with kappa agonists, Life Sci., 31, 2313, 10.1016/0024-3205(82)90145-X Zhang, 1981, Ontogeny of opioid pharmacology and receptors: high and low affinity site differences, Europ. J. Pharmacol., 73, 29, 10.1016/0014-2999(81)90142-4 Zukin, 1980, Guanyl nucleotide interactions with opiate receptors in the guinea pig brain and ileum, Brain Res., 186, 486, 10.1016/0006-8993(80)90996-8