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Flores AJ, Bartlett MJ, Seaton BT, Samtani G, Sexauer MR, Weintraub NC, Siegenthaler JR, Lu D, Heien ML, Porreca F, Sherman SJ, Falk T. Antagonism of kappa opioid receptors accelerates the development of L-DOPA-induced dyskinesia in a preclinical model of moderate dopamine depletion. Brain Res 2023; 1821:148613. [PMID: 37783263 PMCID: PMC10841913 DOI: 10.1016/j.brainres.2023.148613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/21/2023] [Accepted: 09/29/2023] [Indexed: 10/04/2023]
Abstract
Levels of the opioid peptide dynorphin, an endogenous ligand selective for kappa-opioid receptors (KORs), its mRNA and pro-peptide precursors are differentially dysregulated in Parkinson's disease (PD) and following the development of l-DOPA-induced dyskinesia (LID). It remains unclear whether these alterations contribute to the pathophysiological mechanisms underlying PD motor impairment and the subsequent development of LID, or whether they are part of compensatory mechanisms. We sought to investigate nor-BNI, a KOR antagonist, 1) in the dopamine (DA)-depleted PD state, 2) during the development phase of LID, and 3) via measuring of tonic levels of striatal DA. While nor-BNI (3 mg/kg; s.c.) did not lead to functional restoration in the DA-depleted state, it affected the dose-dependent development of abnormal voluntary movements (AIMs) in response to escalating doses of l-DOPA in a rat PD model with a moderate striatal 6-hydroxdopamine (6-OHDA) lesion. We tested five escalating doses of l-DOPA (6, 12, 24, 48, 72 mg/kg; i.p.), and nor-BNI significantly increased the development of AIMs at the 12 and 24 mg/kg l-DOPA doses. However, after reaching the 72 mg/kg l-DOPA, AIMs were not significantly different between control and nor-BNI groups. In summary, while blocking KORs significantly increased the rate of development of LID induced by chronic, escalating doses of l-DOPA in a moderate-lesioned rat PD model, it did not contribute further once the overall severity of LID was established. While we observed an increase of tonic DA levels in the moderately lesioned dorsolateral striatum, there was no tonic DA change following administration of nor-BNI.
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Affiliation(s)
- Andrew J Flores
- Department of Neurology, The University of Arizona, Tucson, AZ 85724, USA; Graduate Interdisciplinary Program in Physiological Sciences, The University of Arizona, Tucson, AZ 85724, USA
| | - Mitchell J Bartlett
- Department of Neurology, The University of Arizona, Tucson, AZ 85724, USA; Department of Pharmacology, The University of Arizona, Tucson, AZ 85724, USA
| | - Blake T Seaton
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ 85721, USA
| | - Grace Samtani
- Department of Neurology, The University of Arizona, Tucson, AZ 85724, USA
| | - Morgan R Sexauer
- Department of Neurology, The University of Arizona, Tucson, AZ 85724, USA
| | - Nathan C Weintraub
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ 85721, USA; Department of Pharmacology, The University of Arizona, Tucson, AZ 85724, USA
| | - James R Siegenthaler
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ 85721, USA
| | - Dong Lu
- Department of Pharmacology, The University of Arizona, Tucson, AZ 85724, USA
| | - Michael L Heien
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ 85721, USA
| | - Frank Porreca
- Department of Pharmacology, The University of Arizona, Tucson, AZ 85724, USA
| | - Scott J Sherman
- Department of Neurology, The University of Arizona, Tucson, AZ 85724, USA
| | - Torsten Falk
- Department of Neurology, The University of Arizona, Tucson, AZ 85724, USA; Graduate Interdisciplinary Program in Physiological Sciences, The University of Arizona, Tucson, AZ 85724, USA; Department of Pharmacology, The University of Arizona, Tucson, AZ 85724, USA.
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Flores AJ, Bartlett MJ, Seaton BT, Samtani G, Sexauer MR, Weintraub NC, Siegenthaler JR, Lu D, Heien ML, Porreca F, Sherman SJ, Falk T. Antagonism of kappa opioid receptors accelerates the development of L-DOPA-induced dyskinesia in a preclinical model of moderate dopamine depletion. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.31.551112. [PMID: 37577558 PMCID: PMC10418115 DOI: 10.1101/2023.07.31.551112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Levels of the opioid peptide dynorphin, an endogenous ligand selective for kappa-opioid receptors (KORs), its mRNA and pro-peptide precursors are differentially dysregulated in Parkinson disease (PD) and following the development of L-DOPA-induced dyskinesia (LID). It remains unclear, whether these alterations contribute to the pathophysiological mechanisms underlying PD motor impairment and the subsequent development of LID, or whether they are part of compensatory mechanisms. We sought to investigate nor-BNI, a KOR antagonist, 1) in the dopamine (DA)-depleted PD state, 2) during the development phase of LID, and 3) with measuring tonic levels of striatal DA. Nor-BNI (3 mg/kg; s.c.) did not lead to functional restoration in the DA-depleted state, but a change in the dose-dependent development of abnormal voluntary movements (AIMs) in response to escalating doses of L-DOPA in a rat PD model with a moderate striatal 6-hydroxydopamine (6-OHDA) lesion. We tested five escalating doses of L-DOPA (6, 12, 24, 48, 72 mg/kg; i.p.), and nor-BNI significantly increased the development of AIMs at the 12 and 24 mg/kg L-DOPA doses. However, after dosing with 72 mg/kg L-DOPA, AIMs were not significantly different between control and nor-BNI groups. In summary, while blocking KORs significantly increased the rate of development of LID induced by chronic, escalating doses of L-DOPA in a moderate-lesioned rat PD model, it did not contribute further once the overall severity of LID was established. While we saw an increase of tonic DA levels in the moderately lesioned dorsolateral striatum, there was no tonic DA change following administration of nor-BNI.
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Hulme H, Fridjonsdottir E, Vallianatou T, Shariatgorji R, Nilsson A, Li Q, Bezard E, Andrén PE. Basal ganglia neuropeptides show abnormal processing associated with L-DOPA-induced dyskinesia. NPJ Parkinsons Dis 2022; 8:41. [PMID: 35418178 PMCID: PMC9007979 DOI: 10.1038/s41531-022-00299-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 03/04/2022] [Indexed: 12/23/2022] Open
Abstract
L-DOPA administration is the primary treatment for Parkinson’s disease (PD) but long-term administration is usually accompanied by hyperkinetic side-effects called L-DOPA-induced dyskinesia (LID). Signaling neuropeptides of the basal ganglia are affected in LID and changes in the expression of neuropeptide precursors have been described, but the final products formed from these precursors have not been well defined and regionally mapped. We therefore used mass spectrometry imaging to visualize and quantify neuropeptides in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine exposed parkinsonian and LID Macaca mulatta brain samples. We found that dyskinesia severity correlated with the levels of some abnormally processed peptides — notably, des-tyrosine dynorphins, substance P (1-7), and substance P (1-9) — in multiple brain regions. Levels of the active neuropeptides; dynorphin B, dynorphin A (1-8), α-neoendorphin, substance P (1-11), and neurokinin A, in the globus pallidus and substantia nigra correlated with putaminal levels of L-DOPA. Our results demonstrate that the abundance of selected active neuropeptides is associated with L-DOPA concentrations in the putamen, emphasizing their sensitivity to L-DOPA. Additionally, levels of truncated neuropeptides (which generally exhibit reduced or altered receptor affinity) correlate with dyskinesia severity, particularly for peptides associated with the direct pathway (i.e., dynorphins and tachykinins). The increases in tone of the tachykinin, enkephalin, and dynorphin neuropeptides in LID result in abnormal processing of neuropeptides with different biological activity and may constitute a functional compensatory mechanism for balancing the increased L-DOPA levels across the whole basal ganglia.
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Affiliation(s)
- Heather Hulme
- Department of Pharmaceutical Biosciences, Medical Mass Spectrometry Imaging, Uppsala University, Uppsala, Sweden.,Science for Life Laboratory, Spatial Mass Spectrometry, Uppsala University, Uppsala, Sweden
| | - Elva Fridjonsdottir
- Department of Pharmaceutical Biosciences, Medical Mass Spectrometry Imaging, Uppsala University, Uppsala, Sweden
| | - Theodosia Vallianatou
- Department of Pharmaceutical Biosciences, Medical Mass Spectrometry Imaging, Uppsala University, Uppsala, Sweden
| | - Reza Shariatgorji
- Department of Pharmaceutical Biosciences, Medical Mass Spectrometry Imaging, Uppsala University, Uppsala, Sweden.,Science for Life Laboratory, Spatial Mass Spectrometry, Uppsala University, Uppsala, Sweden
| | - Anna Nilsson
- Department of Pharmaceutical Biosciences, Medical Mass Spectrometry Imaging, Uppsala University, Uppsala, Sweden.,Science for Life Laboratory, Spatial Mass Spectrometry, Uppsala University, Uppsala, Sweden
| | - Qin Li
- Motac Neuroscience, Manchester, M15 6WE, UK
| | - Erwan Bezard
- Motac Neuroscience, Manchester, M15 6WE, UK.,Université de Bordeaux, Institut des Maladies Neurodégénératives, Bordeaux, France.,Centre National de la Recherche Scientifique, Institut des Maladies Neurodégénératives, Bordeaux, France
| | - Per E Andrén
- Department of Pharmaceutical Biosciences, Medical Mass Spectrometry Imaging, Uppsala University, Uppsala, Sweden. .,Science for Life Laboratory, Spatial Mass Spectrometry, Uppsala University, Uppsala, Sweden.
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Loss of Corticostriatal Mu-Opioid Receptors in α-Synuclein Transgenic Mouse Brains. LIFE (BASEL, SWITZERLAND) 2022; 12:life12010063. [PMID: 35054456 PMCID: PMC8781165 DOI: 10.3390/life12010063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/28/2021] [Accepted: 12/31/2021] [Indexed: 12/17/2022]
Abstract
Ultrastructural, neurochemical, and molecular alterations within the striatum are associated with the onset and progression of Parkinson’s disease (PD). In PD, the dopamine-containing neurons in the substantia nigra pars compacta (SNc) degenerate and reduce dopamine-containing innervations to the striatum. The loss of striatal dopamine is associated with enhanced corticostriatal glutamatergic plasticity at the early stages of PD. However, with disease progression, the glutamatergic corticostriatal white matter tracts (WMTs) also degenerate. We analyzed the levels of Mu opioid receptors (MORs) in the corticostriatal WMTs, as a function of α-Synuclein (α-Syn) toxicity in transgenic mouse brains. Our data show an age-dependent loss of MOR expression levels in the striatum and specifically, within the caudal striatal WMTs in α-Syn tg mouse brains. The loss of MOR expression is associated with degeneration of the myelinated axons that are localized within the corticostriatal WMTs. In brains affected with late stages of PD, we detect evidence confirming the degeneration of myelinated axons within the corticostriatal WMTs. We conclude that loss of corticostriatal MOR expression is associated with degeneration of corticostriatal WMT in α-Syn tg mice, modeling PD.
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Fabbrini A, Guerra A. Pathophysiological Mechanisms and Experimental Pharmacotherapy for L-Dopa-Induced Dyskinesia. J Exp Pharmacol 2021; 13:469-485. [PMID: 33953618 PMCID: PMC8092630 DOI: 10.2147/jep.s265282] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/30/2021] [Indexed: 12/21/2022] Open
Abstract
L-dopa-induced dyskinesia (LID) is the most frequent motor complication associated with chronic L-dopa treatment in Parkinson’s disease (PD). Recent advances in the understanding of the pathophysiological mechanisms underlying LID suggest that abnormalities in multiple neurotransmitter systems, in addition to dopaminergic nigrostriatal denervation and altered dopamine release and reuptake dynamics at the synaptic level, are involved in LID development. Increased knowledge of neurobiological LID substrates has led to the development of several drug candidates to alleviate this motor complication. However, with the exception of amantadine, none of the pharmacological therapies tested in humans have demonstrated clinically relevant beneficial effects. Therefore, LID management is still one of the most challenging problems in the treatment of PD patients. In this review, we first describe the known pathophysiological mechanisms of LID. We then provide an updated report of experimental pharmacotherapies tested in clinical trials of PD patients and drugs currently under study to alleviate LID. Finally, we discuss available pharmacological LID treatment approaches and offer our opinion of possible issues to be clarified and future therapeutic strategies.
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Affiliation(s)
- Andrea Fabbrini
- Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
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Bartlett MJ, Mabrouk OS, Szabò L, Flores AJ, Parent KL, Bidlack JM, Heien ML, Kennedy RT, Polt R, Sherman SJ, Falk T. The Delta-Specific Opioid Glycopeptide BBI-11008: CNS Penetration and Behavioral Analysis in a Preclinical Model of Levodopa-Induced Dyskinesia. Int J Mol Sci 2020; 22:ijms22010020. [PMID: 33374986 PMCID: PMC7792611 DOI: 10.3390/ijms22010020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 12/12/2022] Open
Abstract
In previous work we evaluated an opioid glycopeptide with mixed μ/δ-opioid receptor agonism that was a congener of leu-enkephalin, MMP-2200. The glycopeptide analogue showed penetration of the blood-brain barrier (BBB) after systemic administration to rats, as well as profound central effects in models of Parkinson's disease (PD) and levodopa (L-DOPA)-induced dyskinesia (LID). In the present study, we tested the glycopeptide BBI-11008 with selective δ-opioid receptor agonism, an analogue of deltorphin, a peptide secreted from the skin of frogs (genus Phyllomedusa). We tested BBI-11008 for BBB-penetration after intraperitoneal (i.p.) injection and evaluated effects in LID rats. BBI-11008 (10 mg/kg) demonstrated good CNS-penetrance as shown by microdialysis and mass spectrometric analysis, with peak concentration levels of 150 pM in the striatum. While BBI-11008 at both 10 and 20 mg/kg produced no effect on levodopa-induced limb, axial and oral (LAO) abnormal involuntary movements (AIMs), it reduced the levodopa-induced locomotor AIMs by 50% after systemic injection. The N-methyl-D-aspartate receptor antagonist MK-801 reduced levodopa-induced LAO AIMs, but worsened PD symptoms in this model. Co-administration of MMP-2200 had been shown prior to block the MK-801-induced pro-Parkinsonian activity. Interestingly, BBI-11008 was not able to block the pro-Parkinsonian effect of MK-801 in the LID model, further indicating that a balance of mu- and delta-opioid agonism is required for this modulation. In summary, this study illustrates another example of meaningful BBB-penetration of a glycopeptide analogue of a peptide to achieve a central behavioral effect, providing additional evidence for the glycosylation technique as a method to harness therapeutic potential of peptides.
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MESH Headings
- Analgesics, Opioid/administration & dosage
- Analgesics, Opioid/pharmacokinetics
- Analgesics, Opioid/pharmacology
- Animals
- Corpus Striatum/metabolism
- Disease Models, Animal
- Dizocilpine Maleate/pharmacology
- Dyskinesia, Drug-Induced/metabolism
- Dyskinesia, Drug-Induced/physiopathology
- Glycopeptides/administration & dosage
- Glycopeptides/pharmacokinetics
- Glycopeptides/pharmacology
- Levodopa
- Male
- Motor Activity/drug effects
- Motor Activity/physiology
- Neuroprotective Agents/pharmacology
- Parkinson Disease, Secondary/chemically induced
- Parkinson Disease, Secondary/metabolism
- Parkinson Disease, Secondary/physiopathology
- Rats, Sprague-Dawley
- Receptors, Opioid, delta/agonists
- Receptors, Opioid, delta/metabolism
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Affiliation(s)
- Mitchell J. Bartlett
- Department of Neurology, College of Medicine, University of Arizona, Tucson, AZ 85724, USA; (M.J.B.); (S.J.S.)
| | - Omar S. Mabrouk
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA; (O.S.M.); (R.T.K.)
| | - Lajos Szabò
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (L.S.); (K.L.P.); (M.L.H.); (R.P.)
| | - Andrew J. Flores
- Graduate Interdisciplinary Program in Physiological Sciences, University of Arizona, Tucson, AZ 85724, USA;
| | - Kate L. Parent
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (L.S.); (K.L.P.); (M.L.H.); (R.P.)
| | - Jean M. Bidlack
- Department of Pharmacology and Physiology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA;
| | - Michael L. Heien
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (L.S.); (K.L.P.); (M.L.H.); (R.P.)
| | - Robert T. Kennedy
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA; (O.S.M.); (R.T.K.)
| | - Robin Polt
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (L.S.); (K.L.P.); (M.L.H.); (R.P.)
| | - Scott J. Sherman
- Department of Neurology, College of Medicine, University of Arizona, Tucson, AZ 85724, USA; (M.J.B.); (S.J.S.)
| | - Torsten Falk
- Department of Neurology, College of Medicine, University of Arizona, Tucson, AZ 85724, USA; (M.J.B.); (S.J.S.)
- Graduate Interdisciplinary Program in Physiological Sciences, University of Arizona, Tucson, AZ 85724, USA;
- Department of Pharmacology, University of Arizona, Tucson, AZ 85724, USA
- Correspondence: ; Tel.: +1-520-626-3927
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µ Opioid Receptor Agonism for L-DOPA-Induced Dyskinesia in Parkinson's Disease. J Neurosci 2020; 40:6812-6819. [PMID: 32690616 DOI: 10.1523/jneurosci.0610-20.2020] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 07/12/2020] [Accepted: 07/15/2020] [Indexed: 12/23/2022] Open
Abstract
Parkinson's disease (PD) is characterized by severe locomotor deficits and is commonly treated with the dopamine precursor L-DOPA, but its prolonged usage causes dyskinesias referred to as L-DOPA-induced dyskinesia (LID). Several studies in animal models of PD have suggested that dyskinesias are associated with a heightened opioid cotransmitter tone, observations that have led to the notion of a LID-related hyperactive opioid transmission that should be corrected by µ opioid receptor antagonists. Reports that both antagonists and agonists of the µ opioid receptor may alleviate LID severity in primate models of PD and LID, together with the failure of nonspecific antagonist to improve LID in pilot clinical trials in patients, raises doubt about the reliability of the available data on the opioid system in PD and LID. After in vitro characterization of the functional activity at the µ opioid receptor, we selected prototypical agonists, antagonists, and partial agonists at the µ opioid receptor. We then showed that both oral and discrete intracerebral administration of a µ receptor agonist, but not of an antagonist as long thought, ameliorated LIDs in the gold-standard bilateral 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-lesioned female macaque model of PD and LID. The results call for a reappraisal of opioid pharmacology in the basal ganglia as well as for the development of brain nucleus-targeted µ opioid receptor agonists.SIGNIFICANCE STATEMENT µ opioid receptors have long been considered as a viable target for alleviating the severity of L-DOPA-induced hyperkinetic side effects, induced by the chronic treatment of Parkinson's disease motor symptoms with L-DOPA. Conflicting results between experimental parkinsonism and Parkinson's disease patients, however, dampened the enthusiasm for the target. Here we reappraise the pharmacology and then demonstrate that both oral and discrete intracerebral administration of a µ receptor agonist, but not of an antagonist as long thought, ameliorates LIDs in the gold-standard bilateral 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-lesioned macaque model of Parkinson's disease, calling for a reappraisal of the opioid pharmacology as well as for the development of brain nucleus-targeted µ receptor agonists.
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AlShimemeri S, Fox SH, Visanji NP. Emerging drugs for the treatment of L-DOPA-induced dyskinesia: an update. Expert Opin Emerg Drugs 2020; 25:131-144. [DOI: 10.1080/14728214.2020.1763954] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Sohaila AlShimemeri
- Edmond J Safra Program in Parkinson Disease & Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, Toronto, ON, Canada
- Division of Neurology, Department of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Susan H Fox
- Edmond J Safra Program in Parkinson Disease & Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, Toronto, ON, Canada
| | - Naomi P Visanji
- Edmond J Safra Program in Parkinson Disease & Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, Toronto, ON, Canada
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Bartlett MJ, So LY, Szabò L, Skinner DP, Parent KL, Heien ML, Vanderah TW, Polt R, Sherman SJ, Falk T. Highly-selective µ-opioid receptor antagonism does not block L-DOPA-induced dyskinesia in a rodent model. BMC Res Notes 2020; 13:149. [PMID: 32164786 PMCID: PMC7066739 DOI: 10.1186/s13104-020-04994-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/03/2020] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVES Dopamine-replacement utilizing L-DOPA is still the mainstay treatment for Parkinson's disease (PD), but often leads to development of L-DOPA-induced dyskinesia (LID), which can be as debilitating as the motor deficits. There is currently no satisfactory pharmacological adjunct therapy. The endogenous opioid peptides enkephalin and dynorphin are important co-transmitters in the direct and indirect striatofugal pathways and have been implicated in genesis and expression of LID. Opioid receptor antagonists and agonists with different selectivity profiles have been investigated for anti-dyskinetic potential in preclinical models. In this study we investigated effects of the highly-selective μ-opioid receptor antagonist CTAP (> 1200-fold selectivity for μ- over δ-opioid receptors) and a novel glycopeptide congener (gCTAP5) that was glycosylated to increase stability, in the standard rat LID model. RESULTS Intraperitoneal administration (i.p.) of either 0.5 mg/kg or 1 mg/kg CTAP and gCTAP5 completely blocked morphine's antinociceptive effect (10 mg/kg; i.p.) in the warm water tail-flick test, showing in vivo activity in rats after systemic injection. Neither treatment with CTAP (10 mg/kg; i.p.), nor gCTAP5 (5 mg/kg; i.p.) had any effect on L-DOPA-induced limb, axial, orolingual, or locomotor abnormal involuntary movements. The data indicate that highly-selective μ-opioid receptor antagonism alone might not be sufficient to be anti-dyskinetic.
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Affiliation(s)
- Mitchell J Bartlett
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA.,Department of Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Lisa Y So
- Graduate Interdisciplinary Program in Neuroscience, The University of Arizona, Tucson, AZ, 85724, USA
| | - Lajos Szabò
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ, 85721, USA
| | - David P Skinner
- Department of Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Kate L Parent
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ, 85721, USA
| | - Michael L Heien
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ, 85721, USA
| | - Todd W Vanderah
- Department of Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Robin Polt
- Department of Chemistry & Biochemistry, The University of Arizona, Tucson, AZ, 85721, USA
| | - Scott J Sherman
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Torsten Falk
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA. .,Department of Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA. .,Graduate Interdisciplinary Program in Neuroscience, The University of Arizona, Tucson, AZ, 85724, USA.
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10
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Bezard E. Models of hyperkinetic disorders in primates. J Neurosci Methods 2020; 332:108551. [DOI: 10.1016/j.jneumeth.2019.108551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 12/12/2019] [Accepted: 12/14/2019] [Indexed: 12/19/2022]
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Vaz RL, Chapela D, Coelho JE, Lopes LV, Ferreira JJ, Afonso ND, Sousa S, Outeiro TF. Tapentadol Prevents Motor Impairments in a Mouse Model of Dyskinesia. Neuroscience 2020; 424:58-71. [PMID: 31682948 DOI: 10.1016/j.neuroscience.2019.08.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 08/06/2019] [Accepted: 08/26/2019] [Indexed: 10/25/2022]
Abstract
The motor features in Parkinson's disease (PD) are associated with the degeneration of dopaminergic cells in the substantia nigra in the brain. Thus, the gold-standard in PD therapeutics still consists of dopamine replacement with levodopa. However, as the disease progresses, this therapeutic option becomes less effective and can be accompanied by levodopa-induced complications. On the other hand, several other neuronal pathways have been implicated in the pathological mechanisms of PD. In this context, the development of alternative therapeutic options that modulate non-dopaminergic targets is emerging as a major goal in the field. In a phenotypic-based screen in a zebrafish model of PD, we identified tapentadol as a candidate molecule for PD. The therapeutic potential of an agent that modulates the opioid and noradrenergic systems has not been explored, despite the implication of both neuronal pathways in parkinsonism. Therefore, we assessed the therapeutic properties of this µ-opioid receptor agonist and norepinephrine reuptake inhibitor in the 6-hydroxydopamine mouse model of parkinsonism. We further submitted 6-hydroxydopamine-lesioned mice to chronic treatment with levodopa and evaluated the effects of tapentadol during levodopa OFF states and on levodopa-induced dyskinesia. Importantly, we found that tapentadol halted the aggravation of dyskinesia and improved the motor impairments during levodopa OFF states. Altogether, our findings raise the hypothesis that concomitant modulation of µ-opioid receptor and norepinephrine transporter might constitute relevant intervention strategies in PD and that tapentadol holds therapeutic potential that may be translated into the clinical practice.
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Affiliation(s)
- Rita L Vaz
- TechnoPhage, SA, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal; Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Diana Chapela
- TechnoPhage, SA, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal; Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal
| | - Joana E Coelho
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal
| | - Luísa V Lopes
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal
| | - Joaquim J Ferreira
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal; Laboratory of Clinical Pharmacology and Therapeutics, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal; CNS-Campus Neurológico Sénior, Torres Vedras, Portugal
| | - Nuno D Afonso
- TechnoPhage, SA, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal
| | - Sara Sousa
- TechnoPhage, SA, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal.
| | - Tiago F Outeiro
- Department of Experimental Neurodegeneration, Center for Nanoscale Microscopy and Molecular Physiology of the Brain, Center for Biostructural Imaging of Neurodegeneration, University Medical Center Göttingen, Göttingen, Germany; CEDOC, Chronic Diseases Research Centre, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; Max Planck Institute for Experimental Medicine, Goettingen, Germany; Institute of Neuroscience, The Medical School, Newcastle University, Framlington Place, Newcastle Upon Tyne NE2 4HH, UK.
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12
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Leta V, Jenner P, Chaudhuri KR, Antonini A. Can therapeutic strategies prevent and manage dyskinesia in Parkinson’s disease? An update. Expert Opin Drug Saf 2019; 18:1203-1218. [DOI: 10.1080/14740338.2019.1681966] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Valentina Leta
- King’s College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, London, UK
- Parkinson’s Foundation Centre of Excellence, King’s College Hospital, London, UK
| | - Peter Jenner
- Neurodegenerative Diseases Research Group, School of Cancer and Pharmaceutical Sciences, Faculty of Life Science and Medicine, King’s College London, London, UK
| | - K. Ray Chaudhuri
- King’s College London, Department of Neurosciences, Institute of Psychiatry, Psychology & Neuroscience, London, UK
- Parkinson’s Foundation Centre of Excellence, King’s College Hospital, London, UK
| | - Angelo Antonini
- Department of Neuroscience, University of Padova, Padua, Italy
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13
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Martini ML, Neifert SN, Mocco J, Panov F, Tse W, Walker RH, Jin J, Gupta F. Recent Advances in the Development of Experimental Therapeutics for Levodopa-Induced Dyskinesia. J Mov Disord 2019; 12:161-165. [PMID: 31556261 PMCID: PMC6763722 DOI: 10.14802/jmd.19029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 07/09/2019] [Indexed: 01/05/2023] Open
Affiliation(s)
- Michael L Martini
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Sean N Neifert
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - J Mocco
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Fedor Panov
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Winona Tse
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ruth H Walker
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,James J. Peters VA Medical Center, Bronx, NY, USA
| | - Jian Jin
- Mount Sinai Center for Therapeutics Discovery, Departments of Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Fiona Gupta
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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14
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15
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Receptor Ligands as Helping Hands to L-DOPA in the Treatment of Parkinson's Disease. Biomolecules 2019; 9:biom9040142. [PMID: 30970612 PMCID: PMC6523988 DOI: 10.3390/biom9040142] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/05/2019] [Accepted: 04/06/2019] [Indexed: 12/12/2022] Open
Abstract
Levodopa (LD) is the most effective drug in the treatment of Parkinson’s disease (PD). However, although it represents the “gold standard” of PD therapy, LD can cause side effects, including gastrointestinal and cardiovascular symptoms as well as transient elevated liver enzyme levels. Moreover, LD therapy leads to LD-induced dyskinesia (LID), a disabling motor complication that represents a major challenge for the clinical neurologist. Due to the many limitations associated with LD therapeutic use, other dopaminergic and non-dopaminergic drugs are being developed to optimize the treatment response. This review focuses on recent investigations about non-dopaminergic central nervous system (CNS) receptor ligands that have been identified to have therapeutic potential for the treatment of motor and non-motor symptoms of PD. In a different way, such agents may contribute to extending LD response and/or ameliorate LD-induced side effects.
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16
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Pan J, Yu J, Sun L, Xie C, Chang L, Wu J, Hawes S, Saez-Atienzar S, Zheng W, Kung J, Ding J, Le W, Chen S, Cai H. ALDH1A1 regulates postsynaptic μ-opioid receptor expression in dorsal striatal projection neurons and mitigates dyskinesia through transsynaptic retinoic acid signaling. Sci Rep 2019; 9:3602. [PMID: 30837649 PMCID: PMC6401150 DOI: 10.1038/s41598-019-40326-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 01/25/2019] [Indexed: 12/02/2022] Open
Abstract
Aldehyde dehydrogenase 1A1 (ALDH1A1), a retinoic acid (RA) synthase, is selectively expressed by the nigrostriatal dopaminergic (nDA) neurons that preferentially degenerate in Parkinson’s disease (PD). ALDH1A1–positive axons mainly project to the dorsal striatum. However, whether ALDH1A1 and its products regulate the activity of postsynaptic striatal neurons is unclear. Here we show that μ–type opioid receptor (MOR1) levels were severely decreased in the dorsal striatum of postnatal and adult Aldh1a1 knockout mice, whereas dietary supplement of RA restores its expression. Furthermore, RA treatment also upregulates striatal MOR1 levels and signaling and alleviates L-DOPA–induced dyskinetic movements in pituitary homeobox 3 (Pitx3)–deficient mice that lack of ALDH1A1–expressing nDA neurons. Therefore, our findings demonstrate that ALDH1A1–synthesized RA is required for postsynaptic MOR1 expression in the postnatal and adult dorsal striatum, supporting potential therapeutic benefits of RA supplementation in moderating L-DOPA–induced dyskinesia.
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Affiliation(s)
- Jing Pan
- Department of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China.,Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Jia Yu
- Institute for Geriatrics and Rehabilitation, Beijing Geriatric Hospital, Beijing University of Chinese Medicine, Beijing, 100095, P. R. China
| | - Lixin Sun
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Chengsong Xie
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Lisa Chang
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Junbing Wu
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Sarah Hawes
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Sara Saez-Atienzar
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Wang Zheng
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA.,Children's National Medical Center, Washington, D.C., USA
| | - Justin Kung
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA.,University of Maryland, School of Medicine, Baltimore, Maryland, USA
| | - Jinhui Ding
- Bioinformatics Core, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Weidong Le
- Clinical Research Center on Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116011, P. R. China
| | - Shengdi Chen
- Department of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China.
| | - Huaibin Cai
- Transgenic Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20892, USA.
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17
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Flores AJ, Bartlett MJ, Root BK, Parent KL, Heien ML, Porreca F, Polt R, Sherman SJ, Falk T. The combination of the opioid glycopeptide MMP-2200 and a NMDA receptor antagonist reduced l-DOPA-induced dyskinesia and MMP-2200 by itself reduced dopamine receptor 2-like agonist-induced dyskinesia. Neuropharmacology 2018; 141:260-271. [PMID: 30201210 PMCID: PMC6309213 DOI: 10.1016/j.neuropharm.2018.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 09/01/2018] [Accepted: 09/06/2018] [Indexed: 02/08/2023]
Abstract
Dopamine (DA)-replacement therapy utilizing l-DOPA is the gold standard symptomatic treatment for Parkinson's disease (PD). A critical complication of this therapy is the development of l-DOPA-induced dyskinesia (LID). The endogenous opioid peptides, including enkephalins and dynorphin, are co-transmitters of dopaminergic, GABAergic, and glutamatergic transmission in the direct and indirect striatal output pathways disrupted in PD, and alterations in expression levels of these peptides and their precursors have been implicated in LID genesis and expression. We have previously shown that the opioid glycopeptide drug MMP-2200 (a.k.a. Lactomorphin), a glycosylated derivative of Leu-enkephalin mediates potent behavioral effects in two rodent models of striatal DA depletion. In this study, the mixed mu-delta agonist MMP-2200 was investigated in standard preclinical rodent models of PD and of LID to evaluate its effects on abnormal involuntary movements (AIMs). MMP-2200 showed antiparkinsonian activity, while increasing l-DOPA-induced limb, axial, and oral (LAO) AIMs by ∼10%, and had no effect on dopamine receptor 1 (D1R)-induced LAO AIMs. In contrast, it markedly reduced dopamine receptor 2 (D2R)-like-induced LAO AIMs. The locomotor AIMs were reduced by MMP-2200 in all three conditions. The N-methyl-d-aspartate receptor (NMDAR) antagonist MK-801 has previously been shown to be anti-dyskinetic, but only at doses that induce parkinsonism. When MMP-2200 was co-administered with MK-801, MK-801-induced pro-parkinsonian activity was suppressed, while a robust anti-dyskinetic effect remained. In summary, the opioid glycopeptide MMP-2200 reduced AIMs induced by a D2R-like agonist, and MMP-2200 modified the effect of MK-801 to result in a potent reduction of l-DOPA-induced AIMs without induction of parkinsonism.
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Affiliation(s)
- Andrew J Flores
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA; Graduate Interdisciplinary Program in Physiological Sciences, The University of Arizona, Tucson, AZ, 85724, USA
| | - Mitchell J Bartlett
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA; Graduate Program in Medical Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Brandon K Root
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Kate L Parent
- Department of Chemistry & Biochemistry and BIO5 Institute, The University of Arizona, Tucson, AZ, 85721, USA
| | - Michael L Heien
- Department of Chemistry & Biochemistry and BIO5 Institute, The University of Arizona, Tucson, AZ, 85721, USA
| | - Frank Porreca
- Department of Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Robin Polt
- Department of Chemistry & Biochemistry and BIO5 Institute, The University of Arizona, Tucson, AZ, 85721, USA
| | - Scott J Sherman
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA
| | - Torsten Falk
- Department of Neurology, The University of Arizona, Tucson, AZ, 85724, USA; Graduate Interdisciplinary Program in Physiological Sciences, The University of Arizona, Tucson, AZ, 85724, USA; Department of Pharmacology, The University of Arizona, Tucson, AZ, 85724, USA.
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18
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Sgroi S, Tonini R. Opioidergic Modulation of Striatal Circuits, Implications in Parkinson's Disease and Levodopa Induced Dyskinesia. Front Neurol 2018; 9:524. [PMID: 30026724 PMCID: PMC6041411 DOI: 10.3389/fneur.2018.00524] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 06/13/2018] [Indexed: 12/20/2022] Open
Abstract
The functional organization of the dorsal striatum is complex, due to the diversity of neural inputs that converge in this structure and its subdivision into direct and indirect output pathways, striosomes and matrix compartments. Among the neurotransmitters that regulate the activity of striatal projection neurons (SPNs), opioid neuropeptides (enkephalin and dynorphin) play a neuromodulatory role in synaptic transmission and plasticity and affect striatal-based behaviors in both normal brain function and pathological states, including Parkinson's disease (PD). We review recent findings on the cell-type-specific effects of opioidergic neurotransmission in the dorsal striatum, focusing on the maladaptive synaptic neuroadaptations that occur in PD and levodopa-induced dyskinesia. Understanding the plethora of molecular and synaptic mechanisms underpinning the opioid-mediated modulation of striatal circuits is critical for the development of pharmacological treatments that can alleviate motor dysfunctions and hyperkinetic responses to dopaminergic stimulant drugs.
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Affiliation(s)
- Stefania Sgroi
- Neuromodulation of Cortical and Subcortical Circuits Laboratory, Neuroscience and Brain Technologies Department, Istituto Italiano di Tecnologia, Genoa, Italy
| | - Raffaella Tonini
- Neuromodulation of Cortical and Subcortical Circuits Laboratory, Neuroscience and Brain Technologies Department, Istituto Italiano di Tecnologia, Genoa, Italy
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19
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Veyres N, Hamadjida A, Huot P. Predictive Value of Parkinsonian Primates in Pharmacologic Studies: A Comparison between the Macaque, Marmoset, and Squirrel Monkey. J Pharmacol Exp Ther 2018. [DOI: 10.1124/jpet.117.247171] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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20
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Thobois S, Brefel-Courbon C, Le Bars D, Sgambato-Faure V. Molecular Imaging of Opioid System in Idiopathic Parkinson's Disease. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2018; 141:275-303. [DOI: 10.1016/bs.irn.2018.07.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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21
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DPI-289, a novel mixed delta opioid agonist / mu opioid antagonist (DAMA), has L-DOPA-sparing potential in Parkinson's disease. Neuropharmacology 2017; 131:116-127. [PMID: 29197517 DOI: 10.1016/j.neuropharm.2017.11.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 09/25/2017] [Accepted: 11/27/2017] [Indexed: 11/23/2022]
Abstract
L-DOPA-induced dyskinesia (LID) remains a significant problem in the management of Parkinson's disease (PD). In rodent and macaque models of PD, delta opioid receptor agonists have anti-parkinsonian actions while mu opioid antagonists can reduce the expression of LID. DPI-289 is a novel molecule with a unique combination of opioid receptor DAMA actions: delta agonist (Ki: 0.73 nM); mu antagonist (Ki: 12 nM). We demonstrated that DPI-289 has oral bioavailability and established its pharmacokinetic profile in both rat and primate. We hypothesised that these combined DAMA actions would provide an enhancement of L-DOPA effect without an associated increase in dyskinesia. In parkinsonian 6-OHDA lesioned rats and MPTP-lesioned macaques, DPI-289 provided anti-parkinsonian actions as monotherapy and an enhancement of L-DOPA benefit. Thus, acute administration of DPI-289 (3 mg/kg, p.o.) to 6-OHDA-lesioned rats produced a significant reduction in forelimb asymmetry (by 48%) that was maintained throughout the fifteen-day repeat-treatment period. Importantly, and in contrast to L-DOPA administration (6 mg/kg, i.p.), these benefits were not compromised by the development of abnormal involuntary movements. In the macaque, as monotherapy, DPI-289 (10 and 20 mg/kg) had significant, though incomplete, anti-parkinsonian actions lasting approximately 4 h. These benefits were not associated with dyskinesia. In fact, over the 6 h period of observation, DPI-289 (20 mg/kg) decreased parkinsonism by 19% and increased activity by 67% compared to vehicle treatment. By contrast, while high-dose L-DOPA (LDh) alone alleviated parkinsonism (for 3 h) this benefit was accompanied by significant dyskinesia that was disabling in nature. LDh provided a 50% reduction in parkinsonism over 6 h and 151% increase in activity. The combination of DPI-289 (20 mg/kg) and a low-dose of L-DOPA (LDl) provided anti-parkinsonian benefits greater than LDl alone without eliciting any significant dyskinesia. Treatment with LDl alone provided only transient statistically significant anti-parkinsonian benefit. However, the combination of LDl and DPI-289 reduced parkinsonism for 6 h (duration of monitoring), with parkinsonism being reduced by 35% and activity increased by 90% but with no increase in dyskinesia over that observed with LDl alone. Thus, DPI-289 has potential to improve the benefits of dopaminergic therapy in Parkinson's disease.
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22
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Non-human primate models of PD to test novel therapies. J Neural Transm (Vienna) 2017; 125:291-324. [PMID: 28391443 DOI: 10.1007/s00702-017-1722-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 04/04/2017] [Indexed: 12/13/2022]
Abstract
Non-human primate (NHP) models of Parkinson disease show many similarities with the human disease. They are very useful to test novel pharmacotherapies as reviewed here. The various NHP models of this disease are described with their characteristics including the macaque, the marmoset, and the squirrel monkey models. Lesion-induced and genetic models are described. There is no drug to slow, delay, stop, or cure Parkinson disease; available treatments are symptomatic. The dopamine precursor, L-3,4-dihydroxyphenylalanine (L-Dopa) still remains the gold standard symptomatic treatment of Parkinson. However, involuntary movements termed L-Dopa-induced dyskinesias appear in most patients after chronic treatment and may become disabling. Dyskinesias are very difficult to manage and there is only amantadine approved providing only a modest benefit. In this respect, NHP models have been useful to seek new drug targets, since they reproduce motor complications observed in parkinsonian patients. Therapies to treat motor symptoms in NHP models are reviewed with a discussion of their translational value to humans. Disease-modifying treatments tested in NHP are reviewed as well as surgical treatments. Many biochemical changes in the brain of post-mortem Parkinson disease patients with dyskinesias are reviewed and compare well with those observed in NHP models. Non-motor symptoms can be categorized into psychiatric, autonomic, and sensory symptoms. These symptoms are present in most parkinsonian patients and are already installed many years before the pre-motor phase of the disease. The translational usefulness of NHP models of Parkinson is discussed for non-motor symptoms.
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Sutter M, Walter M, Dürsteler KM, Strasser J, Vogel M. Psychosis After Switch in Opioid Maintenance Agonist and Risperidone-Induced Pisa Syndrome: Two Critical Incidents in Dual Diagnosis Treatment. J Dual Diagn 2017; 13:157-165. [PMID: 27935442 DOI: 10.1080/15504263.2016.1269224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND AIMS Dual diagnosis commonly occurs among patients with an opioid use disorder. Treatment is ideally performed in an integrated fashion. We present a case that illustrates the complex and challenging psychiatric and medical therapy of such patients in the light of the literature. CASE DESCRIPTION We report on a 56-year-old patient with schizophrenia and opioid dependence who experienced both risperidone-induced Pisa syndrome and, 3 years later, acute psychosis after switching the opioid substitution medication from methadone to slow-release oral morphine due to QT prolongation. CONCLUSIONS With the current availability of a diversity of substitution opioids in Switzerland (methadone, buprenorphine, diacetylmorphine, sustained-release oral morphine), studies on differential effectiveness of these agents in opioid-dependent subpopulations with selective comorbidity profiles are desirable. The same is true for further investigation of the involvement of the opioid receptor system in schizophrenia. In clinical practice, any alteration of opioid medication in patients with dual diagnosis and a history of schizophrenia should be accompanied by close observation for psychotic symptoms.
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Affiliation(s)
- Manuel Sutter
- a Division of Substance Use Disorders , Psychiatric Hospital of the University of Basel , Basel , Switzerland
| | - Marc Walter
- a Division of Substance Use Disorders , Psychiatric Hospital of the University of Basel , Basel , Switzerland
| | - Kenneth M Dürsteler
- a Division of Substance Use Disorders , Psychiatric Hospital of the University of Basel , Basel , Switzerland
| | - Johannes Strasser
- a Division of Substance Use Disorders , Psychiatric Hospital of the University of Basel , Basel , Switzerland
| | - Marc Vogel
- a Division of Substance Use Disorders , Psychiatric Hospital of the University of Basel , Basel , Switzerland
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24
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Blesa J, Trigo-Damas I, del Rey NLG, Obeso JA. The use of nonhuman primate models to understand processes in Parkinson’s disease. J Neural Transm (Vienna) 2017; 125:325-335. [DOI: 10.1007/s00702-017-1715-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Accepted: 03/16/2017] [Indexed: 02/07/2023]
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25
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Pan J, Cai H. Opioid system in L-DOPA-induced dyskinesia. Transl Neurodegener 2017; 6:1. [PMID: 28105331 PMCID: PMC5240307 DOI: 10.1186/s40035-017-0071-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 01/12/2017] [Indexed: 11/10/2022] Open
Abstract
L-3, 4-Dihydroxyphenylalanine (L-DOPA)-induced dyskinesia (LID) is a major clinical complication in the treatment of Parkinson’s disease (PD). This debilitating side effect likely reflects aberrant compensatory responses for a combination of dopaminergic neuron denervation and repeated L-DOPA administration. Abnormal endogenous opioid signal transduction pathways in basal ganglia have been well documented in LID. Opioid receptors have been targeted to alleviate the dyskinesia. However, the exact role of this altered opioid activity is remains under active investigation. In the present review, we discuss the current understanding of opioid signal transduction in the basal ganglia and how the malfunction of opioid signaling contributes to the pathophysiology of LID. Further study of the opioid system in LID may lead to new therapeutic targets and improved treatment of PD patients.
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Affiliation(s)
- Jing Pan
- Transgenics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Building 35, Room 1A112, MSC 3707, 35 Convent Drive, Bethesda, MD 20892-3707 USA
| | - Huaibin Cai
- Transgenics Section, Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Building 35, Room 1A112, MSC 3707, 35 Convent Drive, Bethesda, MD 20892-3707 USA
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26
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Asakawa T, Fang H, Sugiyama K, Nozaki T, Hong Z, Yang Y, Hua F, Ding G, Chao D, Fenoy AJ, Villarreal SJ, Onoe H, Suzuki K, Mori N, Namba H, Xia Y. Animal behavioral assessments in current research of Parkinson's disease. Neurosci Biobehav Rev 2016; 65:63-94. [PMID: 27026638 DOI: 10.1016/j.neubiorev.2016.03.016] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 03/22/2016] [Accepted: 03/22/2016] [Indexed: 12/21/2022]
Abstract
Parkinson's disease (PD), a neurodegenerative disorder, is traditionally classified as a movement disorder. Patients typically suffer from many motor dysfunctions. Presently, clinicians and scientists recognize that many non-motor symptoms are associated with PD. There is an increasing interest in both motor and non-motor symptoms in clinical studies on PD patients and laboratory research on animal models that imitate the pathophysiologic features and symptoms of PD patients. Therefore, appropriate behavioral assessments are extremely crucial for correctly understanding the mechanisms of PD and accurately evaluating the efficacy and safety of novel therapies. This article systematically reviews the behavioral assessments, for both motor and non-motor symptoms, in various animal models involved in current PD research. We addressed the strengths and weaknesses of these behavioral tests and their appropriate applications. Moreover, we discussed potential mechanisms behind these behavioral tests and cautioned readers against potential experimental bias. Since most of the behavioral assessments currently used for non-motor symptoms are not particularly designed for animals with PD, it is of the utmost importance to greatly improve experimental design and evaluation in PD research with animal models. Indeed, it is essential to develop specific assessments for non-motor symptoms in PD animals based on their characteristics. We concluded with a prospective view for behavioral assessments with real-time assessment with mobile internet and wearable device in future PD research.
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Affiliation(s)
- Tetsuya Asakawa
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan; Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan.
| | - Huan Fang
- Department of Pharmacy, Jinshan Hospital of Fudan University, Shanghai, China
| | - Kenji Sugiyama
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan
| | - Takao Nozaki
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan
| | - Zhen Hong
- Department of Neurology, Huashan Hospital of Fudan University, Shanghai, China
| | - Yilin Yang
- The First People's Hospital of Changzhou, Soochow University School of Medicine, Changzhou, China
| | - Fei Hua
- The First People's Hospital of Changzhou, Soochow University School of Medicine, Changzhou, China
| | - Guanghong Ding
- Shanghai Key Laboratory of Acupuncture Mechanism and Acupoint Function, Fudan University, Shanghai, China
| | - Dongman Chao
- Department of Neurosurgery, The University of Texas McGovern Medical School,Houston, TX, USA
| | - Albert J Fenoy
- Department of Neurosurgery, The University of Texas McGovern Medical School,Houston, TX, USA
| | - Sebastian J Villarreal
- Department of Neurosurgery, The University of Texas McGovern Medical School,Houston, TX, USA
| | - Hirotaka Onoe
- Functional Probe Research Laboratory, RIKEN Center for Life Science Technologies, Kobe, Japan
| | - Katsuaki Suzuki
- Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan
| | - Norio Mori
- Department of Psychiatry, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan
| | - Hiroki Namba
- Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu-city, Shizuoka, Japan
| | - Ying Xia
- Department of Neurosurgery, The University of Texas McGovern Medical School,Houston, TX, USA.
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27
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Bartlett MJ, Joseph RM, LePoidevin LM, Parent KL, Laude ND, Lazarus LB, Heien ML, Estevez M, Sherman SJ, Falk T. Long-term effect of sub-anesthetic ketamine in reducing L-DOPA-induced dyskinesias in a preclinical model. Neurosci Lett 2015; 612:121-125. [PMID: 26644333 DOI: 10.1016/j.neulet.2015.11.047] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 11/24/2015] [Accepted: 11/26/2015] [Indexed: 10/22/2022]
Abstract
Low-dose sub-anesthetic ketamine infusion treatment has led to a long-term reduction of treatment-resistant depression and posttraumatic stress disorder (PTSD) symptom severity, as well as reduction of chronic pain states, including migraine headaches. Ketamine also is known to change oscillatory electric brain activity. One commonality between migraine headaches, depression, PTSD, Parkinson's disease (PD) and l-DOPA-induced dyskinesias (LID) is hypersynchrony of electric activity in the brain, including the basal ganglia. Therefore, we investigated the use of low-dose sub-anesthetic ketamine in the treatment of LID. In a preclinical rodent model of LID, ketamine (5-20mg/kg) led to long-term dose-dependent reduction of abnormal involuntary movements, only when low-dose ketamine was given for 10h continuously (5× i.p. injections two hours apart) and not after a single acute low-dose ketamine i.p. injection. Pharmacokinetic analysis of plasma levels showed ketamine and its major metabolites were not detectable any more at time points when a lasting anti-dyskinetic effect was seen, indicating a plastic change in the brain. This novel use of low-dose sub-anesthetic ketamine infusion could lead to fast clinical translation, and since depression and comorbid pain states are critical problems for many PD patients could open up the road to a new dual therapy for patients with LID.
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Affiliation(s)
| | - Ria M Joseph
- Department of Neurology, University of Arizona, Tucson, AZ, USA
| | | | - Kate L Parent
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ, USA
| | - Nicholas D Laude
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ, USA
| | - Levi B Lazarus
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ, USA
| | - Michael L Heien
- Department of Chemistry & Biochemistry, University of Arizona, Tucson, AZ, USA
| | | | - Scott J Sherman
- Department of Neurology, University of Arizona, Tucson, AZ, USA
| | - Torsten Falk
- Department of Neurology, University of Arizona, Tucson, AZ, USA.
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28
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Bastide MF, Meissner WG, Picconi B, Fasano S, Fernagut PO, Feyder M, Francardo V, Alcacer C, Ding Y, Brambilla R, Fisone G, Jon Stoessl A, Bourdenx M, Engeln M, Navailles S, De Deurwaerdère P, Ko WKD, Simola N, Morelli M, Groc L, Rodriguez MC, Gurevich EV, Quik M, Morari M, Mellone M, Gardoni F, Tronci E, Guehl D, Tison F, Crossman AR, Kang UJ, Steece-Collier K, Fox S, Carta M, Angela Cenci M, Bézard E. Pathophysiology of L-dopa-induced motor and non-motor complications in Parkinson's disease. Prog Neurobiol 2015. [PMID: 26209473 DOI: 10.1016/j.pneurobio.2015.07.002] [Citation(s) in RCA: 334] [Impact Index Per Article: 37.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Involuntary movements, or dyskinesia, represent a debilitating complication of levodopa (L-dopa) therapy for Parkinson's disease (PD). L-dopa-induced dyskinesia (LID) are ultimately experienced by the vast majority of patients. In addition, psychiatric conditions often manifested as compulsive behaviours, are emerging as a serious problem in the management of L-dopa therapy. The present review attempts to provide an overview of our current understanding of dyskinesia and other L-dopa-induced dysfunctions, a field that dramatically evolved in the past twenty years. In view of the extensive literature on LID, there appeared a critical need to re-frame the concepts, to highlight the most suitable models, to review the central nervous system (CNS) circuitry that may be involved, and to propose a pathophysiological framework was timely and necessary. An updated review to clarify our understanding of LID and other L-dopa-related side effects was therefore timely and necessary. This review should help in the development of novel therapeutic strategies aimed at preventing the generation of dyskinetic symptoms.
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Affiliation(s)
- Matthieu F Bastide
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Wassilios G Meissner
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; Department of Neurology, University Hospital Bordeaux, France
| | - Barbara Picconi
- Laboratory of Neurophysiology, Fondazione Santa Lucia, IRCCS, Rome, Italy
| | - Stefania Fasano
- Division of Neuroscience, Institute of Experimental Neurology, San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Pierre-Olivier Fernagut
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Michael Feyder
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Veronica Francardo
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Cristina Alcacer
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Yunmin Ding
- Department of Neurology, Columbia University, New York, USA
| | - Riccardo Brambilla
- Division of Neuroscience, Institute of Experimental Neurology, San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Gilberto Fisone
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - A Jon Stoessl
- Pacific Parkinson's Research Centre and National Parkinson Foundation Centre of Excellence, University of British Columbia, Vancouver, Canada
| | - Mathieu Bourdenx
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Michel Engeln
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Sylvia Navailles
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Philippe De Deurwaerdère
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Wai Kin D Ko
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - Nicola Simola
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, Cagliari University, 09124 Cagliari, Italy
| | - Micaela Morelli
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, Cagliari University, 09124 Cagliari, Italy
| | - Laurent Groc
- Univ. de Bordeaux, Institut Interdisciplinaire de neurosciences, UMR 5297, 33000 Bordeaux, France; CNRS, Institut Interdisciplinaire de neurosciences, UMR 5297, 33000 Bordeaux, France
| | - Maria-Cruz Rodriguez
- Department of Neurology, Hospital Universitario Donostia and Neuroscience Unit, Bio Donostia Research Institute, San Sebastian, Spain
| | - Eugenia V Gurevich
- Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Maryka Quik
- Center for Health Sciences, SRI International, CA 94025, USA
| | - Michele Morari
- Department of Medical Sciences, Section of Pharmacology, University of Ferrara, Ferrara, Italy
| | - Manuela Mellone
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, 20133 Milano, Italy
| | - Fabrizio Gardoni
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, 20133 Milano, Italy
| | - Elisabetta Tronci
- Department of Biomedical Sciences, Physiology Section, Cagliari University, Cagliari, Italy
| | - Dominique Guehl
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France
| | - François Tison
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; Department of Neurology, University Hospital Bordeaux, France
| | | | - Un Jung Kang
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Kathy Steece-Collier
- Michigan State University, College of Human Medicine, Department of Translational Science and Molecular Medicine & The Udall Center of Excellence in Parkinson's Disease Research, 333 Bostwick Ave NE, Grand Rapids, MI 49503, USA
| | - Susan Fox
- Morton & Gloria Shulman Movement Disorders Center, Toronto Western Hospital, Toronto, Ontario M4T 2S8, Canada
| | - Manolo Carta
- Department of Biomedical Sciences, Physiology Section, Cagliari University, Cagliari, Italy
| | - M Angela Cenci
- Basal Ganglia Pathophysiology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Erwan Bézard
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, 33000 Bordeaux, France; Motac Neuroscience Ltd, Manchester, UK.
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29
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Potts LF, Park ES, Woo JM, Dyavar Shetty BL, Singh A, Braithwaite SP, Voronkov M, Papa SM, Mouradian MM. Dual κ-agonist/μ-antagonist opioid receptor modulation reduces levodopa-induced dyskinesia and corrects dysregulated striatal changes in the nonhuman primate model of Parkinson disease. Ann Neurol 2015; 77:930-41. [PMID: 25820831 DOI: 10.1002/ana.24375] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 01/08/2015] [Accepted: 01/17/2015] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Effective medical management of levodopa-induced dyskinesia (LID) remains an unmet need for patients with Parkinson disease (PD). Changes in opioid transmission in the basal ganglia associated with LID suggest a therapeutic opportunity. Here we determined the impact of modulating both mu and kappa opioid receptor signaling using the mixed agonist/antagonist analgesic nalbuphine in reducing LID and its molecular markers in the nonhuman primate model. METHODS 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated macaques with advanced parkinsonism and reproducible LID received a range of nalbuphine doses or saline subcutaneously as: (1) monotherapy, (2) acute coadministration with levodopa, and (3) chronic coadministration for 1 month. Animals were assessed by blinded examiners for motor disability and LID severity using standardized rating scales. Plasma levodopa levels were determined with and without nalbuphine, and postmortem brain samples were subjected to Western blot analyses. RESULTS Nalbuphine reduced LID in a dose-dependent manner by 48% (p < 0.001) without compromising the anti-PD effect of levodopa or changing plasma levodopa levels. There was no tolerance to the anti-LID effect of nalbuphine given chronically. Nalbuphine coadministered with levodopa was well tolerated and did not cause sedation. Nalbuphine monotherapy had no effect on motor disability. Striatal tissue analyses showed that nalbuphine cotherapy blocks several molecular correlates of LID, including overexpression of ΔFosB, prodynorphin, dynorphin A, cyclin-dependent kinase 5, and increased phosphorylation of DARPP-32 at threonine-34. INTERPRETATION Nalbuphine reverses the molecular milieu in the striatum associated with LID and is a safe and effective anti-LID agent in the primate model of PD. These findings support repurposing this analgesic for the treatment of LID.
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Affiliation(s)
- Lisa F Potts
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Emory University, Atlanta, GA
| | - Eun S Park
- Center for Neurodegenerative and Neuroimmunologic Diseases, Department of Neurology, Rutgers Biomedical and Health Sciences-Robert Wood Johnson Medical School, Piscataway, NJ
| | - Jong-Min Woo
- Center for Neurodegenerative and Neuroimmunologic Diseases, Department of Neurology, Rutgers Biomedical and Health Sciences-Robert Wood Johnson Medical School, Piscataway, NJ
| | - Bhagya L Dyavar Shetty
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Emory University, Atlanta, GA
| | - Arun Singh
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Emory University, Atlanta, GA
| | | | | | - Stella M Papa
- Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Emory University, Atlanta, GA.,Department of Neurology, Emory University School of Medicine, Atlanta, GA
| | - M Maral Mouradian
- Center for Neurodegenerative and Neuroimmunologic Diseases, Department of Neurology, Rutgers Biomedical and Health Sciences-Robert Wood Johnson Medical School, Piscataway, NJ.,MentiNova, New Brunswick, NJ
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30
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Samuel M, Rodriguez-Oroz M, Antonini A, Brotchie JM, Ray Chaudhuri K, Brown RG, Galpern WR, Nirenberg MJ, Okun MS, Lang AE. Management of impulse control disorders in Parkinson's disease: Controversies and future approaches. Mov Disord 2015; 30:150-9. [PMID: 25607799 PMCID: PMC5077247 DOI: 10.1002/mds.26099] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Revised: 10/28/2014] [Accepted: 11/02/2014] [Indexed: 02/01/2023] Open
Abstract
Impulse control disorders in Parkinson's disease are a group of impulsive behaviors most often associated with dopaminergic treatment. Presently, there is a lack of high quality evidence available to guide their management. This manuscript reviews current management strategies, before concentrating on the concept of dopamine agonist withdrawal syndrome and its implications for the management of impulse control disorders. Further, we focus on controversies, including the role of more recently available anti-parkinsonian drugs, and potential future approaches involving routes of drug delivery, nonpharmacological treatments (such as cognitive behavioral therapy and deep brain stimulation), and other as yet experimental strategies.
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Affiliation(s)
- Michael Samuel
- Department of Neurology, National Parkinson Foundation International Centre of Excellence, King's College Hospital, King's Health Partners, London, UK
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31
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Fox SH, Brotchie JM, Johnston TM. Primate Models of Complications Related to Parkinson Disease Treatment. Mov Disord 2015. [DOI: 10.1016/b978-0-12-405195-9.00021-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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32
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Schmidt AC, Dunaway LE, Roberts JG, McCarty GS, Sombers LA. Multiple Scan Rate Voltammetry for Selective Quantification of Real-Time Enkephalin Dynamics. Anal Chem 2014; 86:7806-12. [DOI: 10.1021/ac501725u] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Andreas C. Schmidt
- Department of Chemistry, ‡Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Lars E. Dunaway
- Department of Chemistry, ‡Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - James G. Roberts
- Department of Chemistry, ‡Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Gregory S. McCarty
- Department of Chemistry, ‡Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Leslie A. Sombers
- Department of Chemistry, ‡Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
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33
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Finlay CJ, Duty S, Vernon AC. Brain morphometry and the neurobiology of levodopa-induced dyskinesias: current knowledge and future potential for translational pre-clinical neuroimaging studies. Front Neurol 2014; 5:95. [PMID: 24971074 PMCID: PMC4053925 DOI: 10.3389/fneur.2014.00095] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 05/29/2014] [Indexed: 11/29/2022] Open
Abstract
Dopamine replacement therapy in the form of levodopa results in a significant proportion of patients with Parkinson’s disease developing debilitating dyskinesia. This significantly complicates further treatment and negatively impacts patient quality of life. A greater understanding of the neurobiological mechanisms underlying levodopa-induced dyskinesia (LID) is therefore crucial to develop new treatments to prevent or mitigate LID. Such investigations in humans are largely confined to assessment of neurochemical and cerebrovascular blood flow changes using positron emission tomography and functional magnetic resonance imaging. However, recent evidence suggests that LID is associated with specific morphological changes in the frontal cortex and midbrain, detectable by structural MRI and voxel-based morphometry. Current human neuroimaging methods however lack sufficient resolution to reveal the biological mechanism driving these morphological changes at the cellular level. In contrast, there is a wealth of literature from well-established rodent models of LID documenting detailed post-mortem cellular and molecular measurements. The combination therefore of advanced neuroimaging methods and rodent LID models offers an exciting opportunity to bridge these currently disparate areas of research. To highlight this opportunity, in this mini-review, we provide an overview of the current clinical evidence for morphological changes in the brain associated with LID and identify potential cellular mechanisms as suggested from human and animal studies. We then suggest a framework for combining small animal MRI imaging with rodent models of LID, which may provide important mechanistic insights into the neurobiology of LID.
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Affiliation(s)
- Clare J Finlay
- Wolfson Centre for Age-related Diseases, King's College London , London , UK
| | - Susan Duty
- Wolfson Centre for Age-related Diseases, King's College London , London , UK
| | - Anthony C Vernon
- Department of Neuroscience, James Black Centre, Institute of Psychiatry, King's College London , London , UK
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34
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Abnormal structure-specific peptide transmission and processing in a primate model of Parkinson's disease and l-DOPA-induced dyskinesia. Neurobiol Dis 2014; 62:307-12. [DOI: 10.1016/j.nbd.2013.10.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Revised: 10/07/2013] [Accepted: 10/10/2013] [Indexed: 11/17/2022] Open
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35
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The effects of fast-off-D2 receptor antagonism on L-DOPA-induced dyskinesia and psychosis in parkinsonian macaques. Prog Neuropsychopharmacol Biol Psychiatry 2013; 43:151-6. [PMID: 23306217 DOI: 10.1016/j.pnpbp.2012.12.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2012] [Revised: 12/05/2012] [Accepted: 12/11/2012] [Indexed: 11/24/2022]
Abstract
3,4-Dihydroxyphenylalanine (L-DOPA) treatment of Parkinson's disease (PD) is compromised by motor side effects, such as dyskinesia and non-motor problems, including psychosis. Because of the marked reduction in brain dopamine in PD and the resultant dopamine D2 receptor supersensitivity, it is impossible to use standard potent dopamine D2 receptor antagonists such as haloperidol to alleviate side effects without compromising the anti-parkinsonian benefits of L-DOPA. Haloperidol antagonizes D2 receptors with high affinity and slowly dissociates from D2 receptors (50% dissociation at 38min). We hypothesized that a rapidly dissociating D2 antagonist might allow some functional dopaminergic transmission and thus have a profile, with respect to reduction of dyskinesia and anti-parkinsonian effects, that was more useful therapeutically. The present study tested the principle of using a fast-off-D2 drug, CLR151 (50% dissociation at 23s) to modify L-DOPA actions in cynomolgus macaques with MPTP-parkinsonism. CLR151 (100mg/kg p.o.) reduced L-DOPA-induced dyskinesia and activity in the parkinsonian macaque by 86% and 52% respectively during peak action. CLR151 (100mg/kg) also reduced psychosis-like behaviour (i.e. reduced apparent visual hallucinations by 78%). Nevertheless, this dose of CLR151 significantly reduced the duration of anti-parkinsonian action of L-DOPA, ON-time (by 90%), and increased parkinsonian disability (by 57%). These data suggest that fast-off-D2 dopamine receptor antagonists, with D2-off-rate values close to those for CLR151, are unlikely to be useful in the treatment of dyskinesia and psychosis in PD. However, fast-off-D2 drugs could provide benefit if new congeners would have an even faster dissociation rate. Such drugs are now becoming available.
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36
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Huot P, Johnston TH, Koprich JB, Fox SH, Brotchie JM. The Pharmacology of l-DOPA-Induced Dyskinesia in Parkinson’s Disease. Pharmacol Rev 2013; 65:171-222. [DOI: 10.1124/pr.111.005678] [Citation(s) in RCA: 233] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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37
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Aron Badin R, Spinnewyn B, Gaillard MC, Jan C, Malgorn C, Van Camp N, Dollé F, Guillermier M, Boulet S, Bertrand A, Savasta M, Auguet M, Brouillet E, Chabrier PE, Hantraye P. IRC-082451, a novel multitargeting molecule, reduces L-DOPA-induced dyskinesias in MPTP Parkinsonian primates. PLoS One 2013; 8:e52680. [PMID: 23300984 PMCID: PMC3536787 DOI: 10.1371/journal.pone.0052680] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2012] [Accepted: 11/19/2012] [Indexed: 11/19/2022] Open
Abstract
The development of dyskinesias following chronic L-DOPA replacement therapy remains a major problem in the long-term treatment of Parkinson's disease. This study aimed at evaluating the effect of IRC-082451 (base of BN82451), a novel multitargeting hybrid molecule, on L-DOPA-induced dyskinesias (LIDs) and hypolocomotor activity in a non-human primate model of PD. IRC-082451 displays multiple properties: it inhibits neuronal excitotoxicity (sodium channel blocker), oxidative stress (antioxidant) and neuroinflammation (cyclooxygenase inhibitor) and is endowed with mitochondrial protective properties. Animals received daily MPTP injections until stably parkinsonian. A daily treatment with increasing doses of L-DOPA was administered to parkinsonian primates until the appearance of dyskinesias. Then, different treatment regimens and doses of IRC-082451 were tested and compared to the benchmark molecule amantadine. Primates were regularly filmed and videos were analyzed with specialized software. A novel approach combining the analysis of dyskinesias and locomotor activity was used to determine efficacy. This analysis yielded the quantification of the total distance travelled and the incidence of dyskinesias in 7 different body parts. A dose-dependent efficacy of IRC-082451 against dyskinesias was observed. The 5 mg/kg dose was best at attenuating the severity of fully established LIDs. Its effect was significantly different from that of amantadine since it increased spontaneous locomotor activity while reducing LIDs. This dose was effective both acutely and in a 5-day sub-chronic treatment. Moreover, positron emission tomography scans using radiolabelled dopamine demonstrated that there was no direct interference between treatment with IRC-082451 and dopamine metabolism in the brain. Finally, post-mortem analysis indicated that this reduction in dyskinesias was associated with changes in cFOS, FosB and ARC mRNA expression levels in the putamen. The data demonstrates the antidyskinetic efficacy of IRC-082451 in a primate model of PD with motor complications and opens the way to the clinical application of this treatment for the management of LIDs.
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Affiliation(s)
- Romina Aron Badin
- Molecular Imaging Research Center, Commissariat à l'Énergie Atomique, Fontenay-aux-Roses, France.
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38
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Abstract
This paper is the thirty-fourth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2011 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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39
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Mabrouk OS, Falk T, Sherman SJ, Kennedy RT, Polt R. CNS penetration of the opioid glycopeptide MMP-2200: a microdialysis study. Neurosci Lett 2012; 531:99-103. [PMID: 23127847 DOI: 10.1016/j.neulet.2012.10.029] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Revised: 09/19/2012] [Accepted: 10/17/2012] [Indexed: 11/18/2022]
Abstract
Endogenous opioid peptides enkephalin and dynorphin are major co-transmitters of striatofugal pathways of the basal ganglia. They are involved in the genesis of levodopa-induced dyskinesia and in the modulation of direct and indirect striatal output pathways that are disrupted in Parkinson's disease. One pharmacologic approach is to develop synthetic glycopeptides closely resembling endogenous peptides to restore their normal functions. Glycosylation promotes penetration of the blood-brain barrier. We investigated CNS penetration of the opioid glycopeptide MMP-2200, a mixed δ/μ-agonist based on leu-enkephalin, as measured by in vivo microdialysis and subsequent mass spectrometric analysis in awake, freely moving rats. The glycopeptide (10 mg/kg) reaches the dorsolateral striatum (DLS) rapidly after systemic (i.p.) administration and is stably detectable for the duration of the experiment (80 min). The detected level at the end of the experiment (around 250 pM) is about 10-fold higher than the level of the endogenous leu-enkephalin, measured simultaneously. This is one of the first studies to directly prove that glycosylation of an endogenous opioid peptide leads to excellent blood-brain barrier penetration after systemic injection, and explains robust behavioral effects seen in previous studies by measuring how much glycopeptide reaches the target structure, in this case the DLS.
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Affiliation(s)
- Omar S Mabrouk
- Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
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Clinical features, pathophysiology, and treatment of levodopa-induced dyskinesias in Parkinson's disease. PARKINSONS DISEASE 2012; 2012:943159. [PMID: 23125942 PMCID: PMC3483732 DOI: 10.1155/2012/943159] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2012] [Accepted: 08/08/2012] [Indexed: 12/29/2022]
Abstract
Dyskinetic disorders are characterized by excess of motor activity that may interfere with normal movement control. In patients with Parkinson's disease, the chronic levodopa treatment induces dyskinetic movements known as levodopa-induced dyskinesias (LID). This paper analyzed the pathophysiology, clinical manifestations, pharmacological treatments, and surgical procedures to treat hyperkinetic disorders. Surgery is currently the only treatment available for Parkinson's disease that may improve both parkinsonian motor syndrome and LID. However, this paper shows the different mechanisms involved are not well understood.
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Huot P, Johnston TH, Koprich JB, Fox SH, Brotchie JM. l-DOPA pharmacokinetics in the MPTP-lesioned macaque model of Parkinson's disease. Neuropharmacology 2012; 63:829-36. [DOI: 10.1016/j.neuropharm.2012.06.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Revised: 05/12/2012] [Accepted: 06/11/2012] [Indexed: 10/28/2022]
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Billet F, Costentin J, Dourmap N. Influence of corticostriatal δ-opioid receptors on abnormal involuntary movements induced by L-DOPA in hemiparkinsonian rats. Exp Neurol 2012; 236:339-50. [DOI: 10.1016/j.expneurol.2012.04.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Revised: 04/12/2012] [Accepted: 04/23/2012] [Indexed: 12/20/2022]
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Yahalom G, Kaplan N, Vituri A, Cohen OS, Inzelberg R, Kozlova E, Korczyn AD, Rosset S, Friedman E, Hassin-Baer S. Dyskinesias in patients with Parkinson's disease: effect of the leucine-rich repeat kinase 2 (LRRK2) G2019S mutation. Parkinsonism Relat Disord 2012; 18:1039-41. [PMID: 22703868 DOI: 10.1016/j.parkreldis.2012.05.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2012] [Revised: 04/30/2012] [Accepted: 05/18/2012] [Indexed: 11/18/2022]
Abstract
BACKGROUND While Parkinson's disease (PD) phenotype in leucine-rich repeat kinase 2 gene (LRRK2)-associated and sporadic PD seems similar, there is paucity of data on the possible effect of mutations in LRRK2 on response to and complications of dopaminergic therapy. OBJECTIVE To assess the impact of the LRRK2 Gly2019Ser (G2019S) carrier status on the time to the onset of levodopa-induced dyskinesias (LID). METHODS Consecutive PD patients treated with levodopa were genotyped for the LRRK2 G2019S mutation. The relationship between mutation carrier status and the time to LID onset was explored after matching carriers to non-carriers for age at PD onset, gender, and time from PD diagnosis to levodopa initiation, using Kaplan-Meier curves and the Cox proportional hazards model, using LID onset as an end-point. RESULTS Overall, 349 Israeli PD patients [222 Ashkenazi-Jewish (AJ), 60.5% males, mean age at diagnosis: 60.6 ± 13.2 years] participated in the study. Of these, 33 patients (9.5%, 30 AJ) carried the LRRK2 G2019S mutation. The prevalence of LID was non-significantly higher among carriers (22/33, 66.7%) than non-carriers (168/316, 53.2%, p = 0.15). The mean duration of therapy from levodopa initiation to the development of LID or last follow-up (in cases who were LID-free) was 5.1 ± 5.4 years for carriers and 4.4 ± 4.0 years in non-carriers (p = 0.47) and the survival curves in carriers and matched non-carriers were not significantly different (Cox proportional hazards test and log-rank test; p = 0.79). CONCLUSIONS The LRRK2 G2019S mutation status has no discernable effect on the prevalence of LID or on LID latency in Israeli levodopa-treated PD patients.
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Affiliation(s)
- Gilad Yahalom
- The Parkinson Disease and Movement Disorders Clinic, Sagol Neuroscience Center and Department of Neurology, Tel Aviv University, Israel
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Iderberg H, Francardo V, Pioli E. Animal models of l-DOPA–induced dyskinesia: an update on the current options. Neuroscience 2012; 211:13-27. [DOI: 10.1016/j.neuroscience.2012.03.023] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 03/16/2012] [Accepted: 03/16/2012] [Indexed: 10/28/2022]
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Neurotoxin-based models of Parkinson's disease. Neuroscience 2012; 211:51-76. [DOI: 10.1016/j.neuroscience.2011.10.057] [Citation(s) in RCA: 360] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2011] [Revised: 10/27/2011] [Accepted: 10/28/2011] [Indexed: 12/21/2022]
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Homayoun H, Goetz CG. Facing the unique challenges of dyskinesias in Parkinson’s disease. FUTURE NEUROLOGY 2012. [DOI: 10.2217/fnl.12.4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Dyskinesia is among the most challenging complications of levodopa and dopaminergic drug therapy in advanced Parkinson’s disease. This symptom has a negative impact on the quality of life of patients with Parkinson’s disease and is hard to manage. Current advances in our understanding of the diverse phenomenology and complicated pathophysiology of dyskinesia have led to a number of novel strategies aimed at better control of this complication. Further insight has been gained from focusing on the characteristics of the rating scale used for assessment of dyskinesia and from the inherent susceptibility of dyskinesia to placebo effect. Here, we will briefly review the phenomenology, pathophysiology and the treatment of dyskinesia in Parkinson’s disease.
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Affiliation(s)
- Houman Homayoun
- Rush University Medical Center, Chicago, IL 60612, USA; Suite 755, 1725 W. Harrison Street, Chicago, IL 60612, USA
| | - Christopher G Goetz
- Rush University Medical Center, Chicago, IL 60612, USA; Suite 755, 1725 W. Harrison Street, Chicago, IL 60612, USA
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Steece-Collier K, Rademacher DJ, Soderstrom K. Anatomy of Graft-induced Dyskinesias: Circuit Remodeling in the Parkinsonian Striatum. ACTA ACUST UNITED AC 2012; 2:15-30. [PMID: 22712056 DOI: 10.1016/j.baga.2012.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The goal of researchers and clinicians interested in re-instituting cell based therapies for PD is to develop an effective and safe surgical approach to replace dopamine (DA) in individuals suffering from Parkinson's disease (PD). Worldwide clinical trials involving transplantation of embryonic DA neurons into individuals with PD have been discontinued because of the often devastating post-surgical side-effect known as graft-induced dyskinesia (GID). There have been many review articles published in recent years on this subject. There has been a tendency to promote single factors in the cause of GID. In this review, we contrast the pros and cons of multiple factors that have been suggested from clinical and/or preclinical observations, as well as novel factors not yet studied that may be involved with GID. It is our intention to provide a platform that might be instrumental in examining how individual factors that correlate with GID and/or striatal pathology might interact to give rise to dysfunctional circuit remodeling and aberrant motor output.
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Affiliation(s)
- Kathy Steece-Collier
- Department of Translational Science and Molecular Medicine, Michigan State University, Grand Rapids, MI 49503
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Abstract
SUMMARY The main treatment strategy for Parkinson’s disease (PD) is focused on dopamine replacement. However, PD is no longer seen purely as a disease of the dopaminergic system, as the pathological processes involve neurodegeneration and altered neurotransmission of several nondopaminergic systems that are involved in both motor and nonmotor features of the disease. This article reviews current and experimental nondopaminergic pharmacological approaches to treatments for PD with a focus on motor symptoms, treatments of L-dopa-induced motor complications and treatments of nonmotor symptoms including mood disorders, cognition, psychosis and autonomic problems.
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Affiliation(s)
- Philippe Huot
- Movement Disorder Clinic, MCL7.421, Toronto Western Hospital 399 Bathurst Street, Toronto, ON, M5T 2S8, Canada
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Crittenden JR, Graybiel AM. Basal Ganglia disorders associated with imbalances in the striatal striosome and matrix compartments. Front Neuroanat 2011; 5:59. [PMID: 21941467 PMCID: PMC3171104 DOI: 10.3389/fnana.2011.00059] [Citation(s) in RCA: 300] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Accepted: 08/18/2011] [Indexed: 11/24/2022] Open
Abstract
The striatum is composed principally of GABAergic, medium spiny striatal projection neurons (MSNs) that can be categorized based on their gene expression, electrophysiological profiles, and input–output circuits. Major subdivisions of MSN populations include (1) those in ventromedial and dorsolateral striatal regions, (2) those giving rise to the direct and indirect pathways, and (3) those that lie in the striosome and matrix compartments. The first two classificatory schemes have enabled advances in understanding of how basal ganglia circuits contribute to disease. However, despite the large number of molecules that are differentially expressed in the striosomes or the extra-striosomal matrix, and the evidence that these compartments have different input–output connections, our understanding of how this compartmentalization contributes to striatal function is still not clear. A broad view is that the matrix contains the direct and indirect pathway MSNs that form parts of sensorimotor and associative circuits, whereas striosomes contain MSNs that receive input from parts of limbic cortex and project directly or indirectly to the dopamine-containing neurons of the substantia nigra, pars compacta. Striosomes are widely distributed within the striatum and are thought to exert global, as well as local, influences on striatal processing by exchanging information with the surrounding matrix, including through interneurons that send processes into both compartments. It has been suggested that striosomes exert and maintain limbic control over behaviors driven by surrounding sensorimotor and associative parts of the striatal matrix. Consistent with this possibility, imbalances between striosome and matrix functions have been reported in relation to neurological disorders, including Huntington’s disease, L-DOPA-induced dyskinesias, dystonia, and drug addiction. Here, we consider how signaling imbalances between the striosomes and matrix might relate to symptomatology in these disorders.
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Affiliation(s)
- Jill R Crittenden
- Brain and Cognitive Sciences Department and McGovern Institute for Brain Research, Massachusetts Institute of Technology Cambridge, MA, USA
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