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32568844 | Shift of ยต-opioid Receptor Signaling in the Dorsal Reticular Nucleus Is Implicated in Morphine-induced Hyperalgesia in Male Rats. | 2020 Sep |
1 |
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23994597 | DAMGO in the central amygdala alleviates the affective dimension of pain in a rat model of inflammatory hyperalgesia. | 2013 Nov 12 |
1 |
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24038231 | Early modulation by the dopamine D4 receptor of morphine-induced changes in the opioid peptide systems in the rat caudate putamen. | 2013 Dec |
1 |
| 4 |
21430144 | Recovery from mu-opioid receptor desensitization after chronic treatment with morphine and methadone. | 2011 Mar 23 |
1 |
| 5 |
21602922 | Chronic ethanol consumption in rats produces opioid antinociceptive tolerance through inhibition of mu opioid receptor endocytosis. | 2011 |
1 |
| 6 |
19596017 | Morphine-induced conditioned place preference in rats is inhibited by electroacupuncture at 2 Hz: role of enkephalin in the nucleus accumbens. | 2010 Jan |
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| 7 |
18761380 | Transgene-mediated enkephalin expression attenuates signs of naloxone-precipitated morphine withdrawal in rats with neuropathic pain. | 2009 Jan 30 |
3 |
| 8 |
19168708 | Rewarding morphine-induced synaptic function of delta-opioid receptors on central glutamate synapses. | 2009 Apr |
1 |
| 9 |
19244528 | Morphine increases brain levels of ferritin heavy chain leading to inhibition of CXCR4-mediated survival signaling in neurons. | 2009 Feb 25 |
1 |
| 10 |
18587007 | Mu-opioid receptor activation in live cells. | 2008 Oct |
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| 11 |
15475572 | Receptor endocytosis counteracts the development of opioid tolerance. | 2005 Jan |
2 |
| 12 |
16023221 | Effects of opioid receptor and alpha2-adrenoceptor agonists on slow ventral root potentials and on capsaicin and formalin tests in neonatal rats. | 2005 Aug 8 |
1 |
| 13 |
15099667 | [d-Ala2,N-MePhe4,Gly-ol5]enkephalin-induced internalization of the micro opioid receptor in the spinal cord of morphine tolerant rats. | 2004 |
2 |
| 14 |
15140157 | Expression of proopiomelanocortin and proenkephalin mRNA in sexually dimorphic brain regions are altered in adult male and female rats treated prenatally with morphine. | 2004 May |
7 |
| 15 |
15519683 | Repeated peripheral electrical stimulations suppress both morphine-induced CPP and reinstatement of extinguished CPP in rats: accelerated expression of PPE and PPD mRNA in NAc implicated. | 2004 Nov 4 |
1 |
| 16 |
12573804 | Effects of morphine administration and its withdrawal on rat brain aminopeptidase activities. | 2003 Feb 28 |
1 |
| 17 |
11826132 | Chronic morphine treatment modulates the extracellular levels of endogenous enkephalins in rat brain structures involved in opiate dependence: a microdialysis study. | 2002 Feb 1 |
2 |
| 18 |
11832216 | Regulation of opioid receptor trafficking and morphine tolerance by receptor oligomerization. | 2002 Jan 25 |
1 |
| 19 |
11543770 | Facilitation of enkephalins catabolism inhibitor-induced antinociception by drugs classically used in pain management. | 2001 Sep |
1 |
| 20 |
10887947 | Enkephalinergic neurons in the periaqueductal gray and morphine withdrawal. | 2000 Mar |
1 |
| 21 |
11102471 | Decreases in endogenous opioid peptides in the rat medullo-coerulear pathway after chronic morphine treatment. | 2000 Dec 1 |
2 |
| 22 |
10602337 | Continued morphine modulation of calcium channel currents in acutely isolated locus coeruleus neurons from morphine-dependent rats. | 1999 Dec |
2 |
| 23 |
9443794 | Methionine-enkephalin in bone and joint tissues. | 1998 Jan |
1 |
| 24 |
9618438 | Opioid regulation of pallidal enkephalin release: bimodal effects of locally administered mu and delta opioid agonists in freely moving rats. | 1998 Jun |
1 |
| 25 |
9160247 | Met5-enkephalin-Arg6-Phe7, an endogenous neuropeptide, binds to multiple opioid and nonopioid sites in rat brain. | 1997 May 1 |
2 |
| 26 |
9227847 | Effect of morphine on proenkephalin gene expression in the rat brain. | 1997 |
2 |
| 27 |
9237522 | Opiate modulation of dynorphin conversion in primary cultures of rat cerebral cortex. | 1997 Jun 20 |
1 |
| 28 |
8937625 | Some pharmacological properties of a newly synthesized 3-acetoxy-6 beta-acetylthio-10-oxo-N-cyclopropylmethyl-dihydronormorphine (KT-95). | 1996 Mar-Apr |
1 |
| 29 |
8947949 | Perinatal treatment of rats with opiates affects the development of the blood-brain barrier transport system PTS-1. | 1996 Nov-Dec |
1 |
| 30 |
7498306 | Intermittent and chronic morphine treatment induces long-lasting changes in delta-opioid receptor-regulated acetylcholine release in rat striatum and nucleus accumbens. | 1995 Sep 5 |
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| 31 |
7500843 | Effects of morphine on forskolin-stimulated pro-enkephalin mRNA levels in rat striatum: a model for acute and chronic opioid actions in brain. | 1995 Sep |
2 |
| 32 |
7552341 | Brain dynorphin and enkephalin systems in Fischer and Lewis rats: effects of morphine tolerance and withdrawal. | 1995 Jun 12 |
1 |
| 33 |
7568625 | The effects of morphine treatment and morphine withdrawal on the dynorphin and enkephalin systems in Sprague-Dawley rats. | 1995 Apr |
1 |
| 34 |
7651893 | Modulation of preproenkephalin mRNA levels in brain regions and spinal cord of rats treated chronically with morphine. | 1995 |
1 |
| 35 |
7780637 | Inhibition of morphine withdrawal by the association of RB 101, an inhibitor of enkephalin catabolism, and the CCKB antagonist PD-134,308. | 1995 Mar |
1 |
| 36 |
8535838 | Basal release of Met-enkephalin and neurotensin in the ventrolateral periaqueductal gray matter of the rat: a microdialysis study of antinociceptive circuits. | 1995 Sep 4 |
2 |
| 37 |
7908881 | Repeated and chronic morphine administration causes differential long-lasting changes in dopaminergic neurotransmission in rat striatum without changing its delta- and kappa-opioid receptor regulation. | 1994 Feb 3 |
1 |
| 38 |
8013552 | The functional role of opioid receptors in acetylcholine release in the rat adrenal medulla. | 1994 Feb 21 |
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| 39 |
8089277 | Expression of mu opioid receptor mRNA in rat brain: an in situ hybridization study at the single cell level. | 1994 Jul 1 |
1 |
| 40 |
8177908 | Methionine-enkephalin concentrations in discrete brain regions, spinal cord, pituitary gland and peripheral tissues of U-50,488H-tolerant and abstinent rats. | 1994 Apr |
1 |
| 41 |
7846380 | Changes in hypothalamic met-enkephalin levels of rats induced by painful stimulation and morphine treatment. | 1993 |
2 |
| 42 |
1327405 | Opiate infusion into nucleus accumbens: contrasting effects on motor activity and responding for conditioned reward. | 1992 Aug 14 |
1 |
| 43 |
1331998 | Mu-delta opioid interactions. I: The delta peptide, DPDPE, increases morphine-induced EEG and EEG spectral power. | 1992 Jul-Aug |
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| 44 |
1645431 | Rapid changes in the content of proenkephalin A and corticotrophin releasing hormone mRNAs in the paraventricular nucleus during morphine withdrawal in urethane-anaesthetized rats. | 1991 Mar |
3 |
| 45 |
1646998 | Upregulation of the opioid receptor complex by the chronic administration of morphine: a biochemical marker related to the development of tolerance and dependence. | 1991 Jan-Feb |
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1648715 | Probing the opioid receptor complex with (+)-trans-superfit. I. Evidence that [D-Pen2,D-Pen5]enkephalin interacts with high affinity at the delta cx binding site. | 1991 Mar-Apr |
3 |
| 47 |
1683474 | Dopaminergic system mediates only delta-opiate inhibition of endogenous acetylcholine release evoked by glutamate from rat striatal slices. | 1991 |
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| 48 |
1726498 | Pharmacological interaction between neuropeptides and morphine or pentazocine in rat spinal cord. | 1991 Nov-Dec |
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| 49 |
1797559 | Characteristics of precipitated withdrawal from spinal morphine: changes in [Met5]enkephalin levels. | 1991 Oct 2 |
2 |
| 50 |
1847734 | Morphine and (D-Ala2, NMe-Phe4, Gly-ol)-enkephalin increase the intracellular free calcium in isolated rat myocytes--effect of naloxone or pretreatment with morphine. | 1991 |
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