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Conti Mazza MM, Centner A, Werner DF, Bishop C. Striatal serotonin transporter gain-of-function in L-DOPA-treated, hemi-parkinsonian rats. Brain Res 2023; 1811:148381. [PMID: 37127174 PMCID: PMC10562932 DOI: 10.1016/j.brainres.2023.148381] [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: 03/23/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/03/2023]
Abstract
L-DOPA is the standard treatment for Parkinson's disease (PD), but chronic treatment typically leads to L-DOPA-induced dyskinesia (LID). LID involves a complex interaction between the remaining dopamine (DA) system and the semi-homologous serotonin (5-HT) system. Since serotonin transporters (SERT) have some affinity for DA uptake, they may serve as a functional compensatory mechanism when DA transporters (DAT) are scant. DAT and SERT's functional contributions in the dyskinetic brain have not been well delineated. The current investigation sought to determine how DA depletion and L-DOPA treatment affect DAT and SERT transcriptional processes, translational processes, and functional DA uptake in the 6-hydroxydopamine-lesioned hemi-parkinsonian rat. Rats were counterbalanced for motor impairment into equally lesioned treatment groups then given daily L-DOPA (0 or 6 mg/kg) for 2 weeks. At the end of treatment, the substantia nigra was processed for tyrosine hydroxylase (TH) and DAT gene expression and dorsal raphe was processed for SERT gene expression. The striatum was processed for synaptosomal DAT and SERT protein expression and ex vivo DA uptake. Nigrostriatal DA loss severely reduced DAT mRNA and protein expression in the striatum with minimal changes in SERT. L-DOPA treatment, while not significantly affecting DAT or SERT alone, did increase striatal SERT:DAT protein ratios. Using ex vivo microdialysis, L-DOPA treatment increased DA uptake via SERT when DAT was depleted. Overall, these results suggest that DA loss and L-DOPA treatment uniquely alter DAT and SERT, revealing implications for monoamine transporters as potential biomarkers and therapeutic targets in the hemi-parkinsonian model and dyskinetic PD patients.
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Affiliation(s)
- Melissa M Conti Mazza
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, 4400 Vestal Parkway East, Binghamton, NY 13902-6000, USA
| | - Ashley Centner
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, 4400 Vestal Parkway East, Binghamton, NY 13902-6000, USA
| | - David F Werner
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, 4400 Vestal Parkway East, Binghamton, NY 13902-6000, USA
| | - Christopher Bishop
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, 4400 Vestal Parkway East, Binghamton, NY 13902-6000, USA.
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Yuan Y, Zhang X, Wu Y, Lian P, Cao X, Xu Y. ONO-2506 Can Delay Levodopa-induced Dyskinesia in the Early Stage. Neuroscience 2023:S0306-4522(23)00068-4. [PMID: 36796751 DOI: 10.1016/j.neuroscience.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 02/03/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023]
Abstract
BACKGROUND Levodopa-induced dyskinesia (LID) is a common motor complication of levodopa (L-DOPA) treatment for Parkinson's disease (PD). In recent years, the role of astrocytes in LID has increasingly attracted attention. OBJECTIVE To explore the effect of an astrocyte regulator (ONO-2506) on LID in a rat model and the potential underlying physiological mechanism. METHODS Unilateral LID rat models, established by administering 6-hydroxydopamine (6-OHDA) into the right medial forebrain bundle through stereotactic injection, were injected with ONO-2506 or saline into the striatum through brain catheterization and were administered L-DOPA to induce LID. Through a series of behavioral experiments, LID performance was observed. Relevant indicators were assessed through biochemical experiments. RESULTS In the LID model of 6-OHDA rats, ONO-2506 significantly delayed the development and reduced the degree of abnormal involuntary movement in the early stage of L-DOPA treatment and increased glial fibrillary acidic protein and glutamate transporter 1 (GLT-1) expression in the striatum compared to saline. However, there was no significant difference in the improvement in motor function between the ONO-2506 and saline groups. CONCLUSIONS ONO-2506 delays the emergence of L-DOPA-induced abnormal involuntary movements in the early stage of L-DOPA administration, without affecting the anti-PD effect of L-DOPA. The delaying effect of ONO-2506 on LID may be linked to the increased expression of GLT-1 in the rat striatum. Interventions targeting astrocytes and glutamate transporters are potential therapeutic strategies to delay the development of LID.
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Affiliation(s)
- Yuhao Yuan
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaoqian Zhang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yi Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Piaopiao Lian
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xuebing Cao
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yan Xu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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Lipari N, Centner A, Glinski J, Cohen S, Manfredsson FP, Bishop C. Characterizing the relationship between L-DOPA-induced-dyskinesia and psychosis-like behaviors in a bilateral rat model of Parkinson's disease. Neurobiol Dis 2023; 176:105965. [PMID: 36526089 DOI: 10.1016/j.nbd.2022.105965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/30/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022] Open
Abstract
Parkinson's disease associated psychosis (PDAP) is a prevalent non-motor symptom (NMS) that significantly erodes patients' and caregivers' quality of life yet remains vastly understudied. One potential source of PDAP in late-stage Parkinson's disease (PD) is the common dopamine (DA) replacement therapy for motor symptoms, Levodopa (L-DOPA). Given the high incidence of L-DOPA-induced dyskinesia (LID) in later phases of PD, this study sought to characterize the relationship between PDAP and LID in a bilateral medial forebrain bundle 6-hydroxydopamine hydrobromide (6-OHDA) lesion rat model. To assess PDAP in this model, prepulse inhibition (PPI), a well-validated assay of sensorimotor gating, was employed. First, we tested whether a bilateral lesion alone or after chronic L-DOPA treatment was sufficient to induce PPI dysfunction. Rats were also monitored for LID development, using the abnormal involuntary movements (AIMs) test, to examine PPI and LID associations. In experiment 2, Vilazodone (VZD), a serotonin transporter (SERT) blocker and 1A receptor (5-HT1A) partial agonist was administered to test its potential efficacy in reducing LID and PPI dysfunction. Once testing was complete, tissue was collected for high performance liquid chromatography (HPLC) to examine the monoamine levels in motor and non-motor circuits. Results indicate that bilateral DA lesions produced motor deficits and that chronic L-DOPA induced moderate AIMs; importantly, rats that developed more severe AIMs were more likely to display sensorimotor gating dysfunction. In addition, VZD treatment dose-dependently reduced L-DOPA-induced AIMs without impairing L-DOPA efficacy, although VZD's effects on PPI were limited. Altogether, this project established the bilateral 6-OHDA lesion model accurately portrayed LID and PDAP-like behaviors, uncovered their potential relationship, and finally, demonstrated the utility of VZD for reducing LID.
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Affiliation(s)
- Natalie Lipari
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - Ashley Centner
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - John Glinski
- Department of Psychology, Binghamton University, Binghamton, NY, USA
| | - Sophie Cohen
- Department of Psychology, Binghamton University, Binghamton, NY, USA
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The effects of Vilazodone, YL-0919 and Vortioxetine in hemiparkinsonian rats. Psychopharmacology (Berl) 2022; 239:2119-2132. [PMID: 35275226 DOI: 10.1007/s00213-022-06078-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/24/2022] [Indexed: 10/18/2022]
Abstract
Parkinson's disease is a neurodegenerative disease often characterized by motor deficits and most commonly treated with dopamine replacement therapy. Despite its benefits, chronic use of L-DOPA results in abnormal involuntary movements known as L-DOPA-induced dyskinesia. Growing evidence shows that with burgeoning dopamine cell loss, neuroplasticity in the serotonin system leads to the development of L-DOPA-induced dyskinesia through the unregulated uptake, conversion, and release of L-DOPA-derived dopamine into the striatum. Previous studies have shown that coincident 5-HT1A agonism and serotonin transporter inhibition may have anti-dyskinetic potential. Despite this, few studies have explicitly focused on targeting both 5-HT1A and the serotonin transporter. The present study compares the 5-HT compounds Vilazodone, YL-0919, and Vortioxetine which purportedly work as simultaneous 5-HT1A receptor agonists and SERT blockers. To do so, adult female Sprague Dawley rats were rendered hemiparkinsonian and treated daily for two weeks with L-DOPA to produce stable dyskinesia. The abnormal involuntary movements and forehand adjusting step tests were utilized as measurements for L-DOPA-induced dyskinesia and motor performance in a within-subjects design. Lesion efficacy was determined by analysis of striatal monoamines via high-performance liquid chromatography. Compounds selective for 5-HT1A/SERT target sites including Vilazodone and Vortioxetine significantly reduced L-DOPA-induced dyskinesia without compromising L-DOPA pro-motor efficacy. In contrast, YL-0919 failed to reduce L-DOPA-induced dyskinesia, with no effects on L-DOPA-related improvements. Collectively, this work supports pharmacological targeting of 5-HT1A/SERT to reduce L-DOPA-induced dyskinesia. Additionally, this further provides evidence for Vilazodone and Vortioxetine, FDA-approved compounds, as potential adjunct therapeutics for L-DOPA-induced dyskinesia management in Parkinson's patients.
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Cohen SR, Terry ML, Coyle M, Wheelis E, Centner A, Smith S, Glinski J, Lipari N, Budrow C, Manfredsson FP, Bishop C. The multimodal serotonin compound Vilazodone alone, but not combined with the glutamate antagonist Amantadine, reduces l-DOPA-induced dyskinesia in hemiparkinsonian rats. Pharmacol Biochem Behav 2022; 217:173393. [DOI: 10.1016/j.pbb.2022.173393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 01/06/2023]
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Tseng KY, Kuo TT, Wang V, Huang EYK, Ma KH, Olson L, Hoffer BJ, Chen YH. Tetrabenazine Mitigates Aberrant Release and Clearance of Dopamine in the Nigrostriatal System, and Alleviates L-DOPA-Induced Dyskinesia in a Mouse Model of Parkinson's Disease. JOURNAL OF PARKINSON'S DISEASE 2022; 12:1545-1565. [PMID: 35599497 DOI: 10.3233/jpd-223195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND L-DOPA-induced dyskinesia (LID), occurring with aberrant processing of exogenous L-DOPA in the dopamine-denervated striatum, is a main complication of levodopa treatment in Parkinson's disease. OBJECTIVE To characterize the effects of the vesicular antagonist tetrabenazine (TBZ) on L-DOPA-induced behavior, neurochemical signals, and underlying protein expressions in an animal model of Parkinson's disease. METHODS 20-week-old MitoPark mice were co-treated or separately administered TBZ and L-DOPA for 14 days. Abnormal involuntary movements (AIMs) and locomotor activity were analyzed. To explore dopamine (DA) transmission, fast scan cyclic voltammetry was used to assess presynaptic DA dynamics in striatal slices following treatments. PET imaging with 4-[18F]-PE2I, ADAM and immunoblotting assays were used to detect receptor protein changes in the DA-denervated striatum. Finally, nigrostriatal tissues were collected for HPLC measures of DA, serotonin and their metabolites. RESULTS A single injection of TBZ given in the interval between the two L-DOPA/Carbidopa treatments significantly attenuated L-DOPA-induced AIMs expression and locomotor hyperactivity. TBZ was shown to reduce tonic and phasic release of DA following L-DOPA treatment in DA-denervated striatal tissue. In the DA-depleted striatum, TBZ decreased the expression of L-DOPA-enhanced D1 receptors and the serotonin reuptake transporter. Neurochemical analysis indicated that TBZ attenuated L-DOPA-induced surges of DA levels by promoting DA turnover in the nigrostriatal system. CONCLUSIONS Our findings demonstrate that TBZ diminishes abnormal striatal DA transmission, which involves the ability of TBZ to modulate the presymptomatic dynamics of DA, and then mitigate aberrant release of exogenous L-DOPA from nerve terminals. The results support the potential of repositioning TBZ to counteract LID development.
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Affiliation(s)
- Kuan-Yin Tseng
- National Defense Medical Center, Taipei, Taiwan, R.O.C
- Department of Neurological Surgery, Tri-Service General Hospital, Taipei, Taiwan, R.O.C
| | - Tung-Tai Kuo
- Department of Neurological Surgery, Tri-Service General Hospital, Taipei, Taiwan, R.O.C
| | - Vicki Wang
- Ph.D. Program in Translational Medicine, National Defense Medical Center and Academia Sinica, Taipei, Taiwan
| | - Eagle Yi-Kung Huang
- Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Kuo-Hsing Ma
- Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Lars Olson
- Department of Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Barry J Hoffer
- Department of Neurosurgery, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, Cleveland, OH, USA
| | - Yuan-Hao Chen
- National Defense Medical Center, Taipei, Taiwan, R.O.C
- Department of Neurological Surgery, Tri-Service General Hospital, Taipei, Taiwan, R.O.C
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Behavioral and neurochemical interactions of the tricyclic antidepressant drug desipramine with L-DOPA in 6-OHDA-lesioned rats. Implications for motor and psychiatric functions in Parkinson's disease. Psychopharmacology (Berl) 2022; 239:3633-3656. [PMID: 36178508 PMCID: PMC9584871 DOI: 10.1007/s00213-022-06238-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 09/12/2022] [Indexed: 11/11/2022]
Abstract
RATIONALE The pharmacological effects of antidepressants in modulating noradrenergic transmission as compared to serotonergic transmission in a rat model of Parkinson's disease under chronic L-DOPA therapy are insufficiently explored. OBJECTIVES The aim of the present study was to investigate the effect of the tricyclic antidepressant desipramine administered chronically alone or jointly with L-DOPA, on motor behavior and monoamine metabolism in selected brain structures of rats with the unilateral 6-OHDA lesion. METHODS The antiparkinsonian activities of L-DOPA and desipramine were assessed behaviorally using a rotation test and biochemically based on changes in the tissue concentrations of noradrenaline, dopamine and serotonin and their metabolites, evaluated separately for the ipsi- and contralateral motor (striatum, substantia nigra) and limbic (prefrontal cortex, hippocampus) structures of rat brain by HPLC method. RESULTS Desipramine administered alone did not induce rotational behavior, but in combination with L-DOPA, it increased the number of contralateral rotations more strongly than L-DOPA alone. Both L-DOPA and desipramine + L-DOPA significantly increased DA levels in the ipsilateral striatum, substantia nigra, prefrontal cortex and the ipsi- and contralateral hippocampus. The combined treatment also significantly increased noradrenaline content in the ipsi- and contralateral striatum, while L-DOPA alone decreased serotonin level on both sides of the hippocampus. CONCLUSIONS The performed analysis of the level of monoamines and their metabolites in the selected brain structures suggests that co-modulation of noradrenergic and dopaminergic transmission in Parkinson's disease by the combined therapy with desipramine + L-DOPA may have some positive implications for motor and psychiatric functions but further research is needed to exclude potential negative effects.
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Cacabelos R, Carrera I, Martínez O, Alejo R, Fernández-Novoa L, Cacabelos P, Corzo L, Rodríguez S, Alcaraz M, Nebril L, Tellado I, Cacabelos N, Pego R, Naidoo V, Carril JC. Atremorine in Parkinson's disease: From dopaminergic neuroprotection to pharmacogenomics. Med Res Rev 2021; 41:2841-2886. [PMID: 34106485 DOI: 10.1002/med.21838] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 02/11/2021] [Accepted: 05/21/2021] [Indexed: 12/15/2022]
Abstract
Atremorine is a novel bioproduct obtained by nondenaturing biotechnological processes from a genetic species of Vicia faba. Atremorine is a potent dopamine (DA) enhancer with powerful effects on the neuronal dopaminergic system, acting as a neuroprotective agent in Parkinson's disease (PD). Over 97% of PD patients respond to a single dose of Atremorine (5 g, p.o.) 1 h after administration. This response is gender-, time-, dose-, and genotype-dependent, with optimal doses ranging from 5 to 20 g/day, depending upon disease severity and concomitant medication. Drug-free patients show an increase in DA levels from 12.14 ± 0.34 pg/ml to 6463.21 ± 1306.90 pg/ml; and patients chronically treated with anti-PD drugs show an increase in DA levels from 1321.53 ± 389.94 pg/ml to 16,028.54 ± 4783.98 pg/ml, indicating that Atremorine potentiates the dopaminergic effects of conventional anti-PD drugs. Atremorine also influences the levels of other neurotransmitters (adrenaline, noradrenaline) and hormones which are regulated by DA (e.g., prolactin, PRL), with no effect on serotonin or histamine. The variability in Atremorine-induced DA response is highly attributable to pharmacogenetic factors. Polymorphic variants in pathogenic (SNCA, NUCKS1, ITGA8, GPNMB, GCH1, BCKDK, APOE, LRRK2, ACMSD), mechanistic (DRD2), metabolic (CYP2D6, CYP2C9, CYP2C19, CYP3A4/5, NAT2), transporter (ABCB1, SLC6A2, SLC6A3, SLC6A4) and pleiotropic genes (APOE) influence the DA response to Atremorine and its psychomotor and brain effects. Atremorine enhances DNA methylation and displays epigenetic activity via modulation of the pharmacoepigenetic network. Atremorine is a novel neuroprotective agent for dopaminergic neurons with potential prophylactic and therapeutic activity in PD.
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Affiliation(s)
- Ramón Cacabelos
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Iván Carrera
- Department of Health Biotechnology, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Olaia Martínez
- Department of Medical Epigenetics, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | | | | | - Pablo Cacabelos
- Department of Digital Diagnosis, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Lola Corzo
- Department of Medical Biochemistry, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Susana Rodríguez
- Department of Medical Biochemistry, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Margarita Alcaraz
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Laura Nebril
- Department of Genomic Medicine, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Iván Tellado
- Department of Digital Diagnosis, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Natalia Cacabelos
- Department of Medical Documentation, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Rocío Pego
- Department of Neuropsychology, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Vinogran Naidoo
- Department of Neuroscience, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
| | - Juan C Carril
- Department of Genomics & Pharmacogenomics, EuroEspes Biomedical Research Center, International Center of Neuroscience and Genomic Medicine, Bergondo, Spain
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Serotonin/dopamine interaction in the induction and maintenance of L-DOPA-induced dyskinesia: An update. PROGRESS IN BRAIN RESEARCH 2021; 261:287-302. [PMID: 33785132 DOI: 10.1016/bs.pbr.2021.01.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Ample evidence suggests that the serotonergic system plays a major role in several aspects of Parkinson's disease. In this review, we focus on the interplay between dopamine and serotonin in the appearance of L-DOPA-induced dyskinesia (LID), the most troublesome side effect of L-DOPA therapy. Indeed, while this drug exerts significant amelioration of motor symptoms during the first few years of treatment, eventually, most of patients experience dyskinesias, which limit the use of L-DOPA in advanced stages of disease. Here, we present the mechanisms underlying LID and the role of serotonin neurons, review preclinical and clinical data, and discuss possible therapeutic strategies.
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Wang Y, Bouabid S, Darvas M, Zhou FM. The antiparkinson drug ropinirole inhibits movement in a Parkinson's disease mouse model with residual dopamine neurons. Exp Neurol 2020; 333:113427. [PMID: 32735872 DOI: 10.1016/j.expneurol.2020.113427] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 07/21/2020] [Accepted: 07/25/2020] [Indexed: 10/23/2022]
Abstract
The dopamine (DA) D2-like receptor (D2R) agonist ropinirole is often used for early and middle stage Parkinson's disease (PD). However, this D2-like agonism-based strategy has a complicating problem: D2-like agonism may activate D2 autoreceptors on the residual DA neurons in the PD brain, potentially inhibiting these residual DA neurons and motor function. We have examined this possibility by using systemic and local drug administration in transcription factor Pitx3 null mutant (Pitx3Null) mice that mimic the DA denervation in early and middle stage PD and in DA neuron tyrosine hydroxylase (TH) gene knockout (KO) mice that mimic the severe DA loss in late stage PD. We found that in Pitx3Null mice with residual DA neurons and normal mice with normal DA system, systemically injected ropinirole inhibited locomotion, whereas bilateral dorsal striatal-microinjected ropinirole stimulated movement in Pitx3Null mice; bilateral microinjection of ropinirole into the ventral tegmental area also inhibited movement in Pitx3Null mice; we further determined that ropinirole inhibited nigral DA neuron spike firing in WT mice. In contrast, both systemically and striatum-locally administered ropinirole increased movements in TH KO mice, but produced relatively more dyskinesia than L-dopa. Although requiring confirmation in non-human primates and PD patients, these data suggest that while activating D2-like receptors in striatal projection neurons and hence stimulating movements, D2-like agonists can inhibit residual DA neurons and cause akinesia when the residual DA neurons and motor functions are still substantial, and this motor-inhibitory effect disappears when almost all DA neurons are lost such as in late stage PD.
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Affiliation(s)
- Yuhan Wang
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, University of Tennessee, Memphis, TN 38103, USA
| | - Safa Bouabid
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, University of Tennessee, Memphis, TN 38103, USA
| | - Martin Darvas
- Department of Pathology, University of Washington, Seattle, WA 98104, USA
| | - Fu-Ming Zhou
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, University of Tennessee, Memphis, TN 38103, USA.
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Steece-Collier K, Collier TJ, Lipton JW, Stancati JA, Winn ME, Cole-Strauss A, Sellnow R, Conti MM, Mercado NM, Nillni EA, Sortwell CE, Manfredsson FP, Bishop C. Striatal Nurr1, but not FosB expression links a levodopa-induced dyskinesia phenotype to genotype in Fisher 344 vs. Lewis hemiparkinsonian rats. Exp Neurol 2020; 330:113327. [PMID: 32387398 DOI: 10.1016/j.expneurol.2020.113327] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 03/23/2020] [Accepted: 04/20/2020] [Indexed: 12/21/2022]
Abstract
Numerous genes, and alterations in their expression, have been identified as risk factors for developing levodopa-induced dyskinesia (LID). However, our understanding of the complexities of molecular changes remains insufficient for development of clinical treatment. In the current study we used gene array, in situ hybridization, immunohistochemistry, and microdialysis to provide a unique compare and contrast assessment of the relationship of four candidate genes to LID, employing three genetically distinct rat strains (Sprague-Dawley (SD), Fischer-344 (F344) and Lewis-RT.1) showing differences in dyskinesia susceptibility and 'first-ever LID' versus 'chronic LID' expression in subjects displaying equal dyskinesia severity. In these studies, rat strains were easily distinguishable for their LID propensity with: 1) a majority of SD rats expressing LID (LID+) and a subset being resistant (LID-); 2) all F344 rats readily developing (LID+); and 3) all Lewis rats being LID-resistant (LID-). Following chronic levodopa, LID+ SD rats showed significant increases in candidate gene expression: Nr4a2/(Nurr1) > > Trh > Inhba = Fosb. However, SD rats with long-standing striatal dopamine (DA) depletion treated with first-ever versus chronic high-dose levodopa revealed that despite identical levels of LID severity: 1) Fosb and Nurr1 transcripts but not protein were elevated with acute LID expression; 2) FOSB/ΔFOSB and NURR1 proteins were elevated only with chronic LID; and 3) Trh transcript and protein were elevated only with chronic LID. Strikingly, despite similar levodopa-induced striatal DA release in both LID-expressing F344 and LID-resistant Lewis rats, Fosb, Trh, Inhba transcripts were significantly elevated in both strains; however, Nurr1 mRNA was significantly increased only in LID+ F344 rats. These findings suggest a need to reevaluate currently accepted genotype-to-phenotype relationships in the expression of LID, specifically that of Fosb, a transcription factor generally assumed to play a causal role, and Nurr1, a transcription factor that has received significant attention in PD research linked to its critical role in the survival and function of midbrain DA neurons but who's striatal expression, generally below levels of detection, has remained largely unexplored as a regulator of LID. Finally these studies introduce a novel 'model' (inbred F344 vs inbred Lewis) that may provide a powerful tool for investigating the role for 'dyskinesia-resistance' genes downstream of 'dyskinesia-susceptibility' genes in modulating LID expression, a concept that has received considerably less attention and offers a new ways of thinking about antidyskinetic therapies.
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Affiliation(s)
- Kathy Steece-Collier
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Hauenstein Neuroscience Center, Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA.
| | - Timothy J Collier
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Hauenstein Neuroscience Center, Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA
| | - Jack W Lipton
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Hauenstein Neuroscience Center, Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA
| | - Jennifer A Stancati
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA
| | - Mary E Winn
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Bioinformatics and Biostatistics Core, Van Andel Research Institute, Grand Rapids, MI 49503, USA
| | - Allyson Cole-Strauss
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA
| | - Rhyomi Sellnow
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA
| | - Melissa M Conti
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902-6000, USA
| | - Natosha M Mercado
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA
| | - Eduardo A Nillni
- Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI 02912, USA
| | - Caryl E Sortwell
- Department of Translational Neuroscience, College of Human Medicine, Michigan State University, Grand Rapids, MI 49503, USA; Hauenstein Neuroscience Center, Mercy Health Saint Mary's, Grand Rapids, MI 49503, USA
| | - Fredric P Manfredsson
- Parkinson's Disease Research Unit, Department of Neurobiology, Barrow Neurological Institute, Phoenix, AZ 85013, USA
| | - Christopher Bishop
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902-6000, USA
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Meadows SM, Conti MM, Gross L, Chambers NE, Avnor Y, Ostock CY, Lanza K, Bishop C. Diverse serotonin actions of vilazodone reduce l-3,4-dihidroxyphenylalanine-induced dyskinesia in hemi-parkinsonian rats. Mov Disord 2019; 33:1740-1749. [PMID: 30485908 DOI: 10.1002/mds.100] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/08/2018] [Accepted: 06/28/2018] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The serotonergic system is a well-established modulator of l-dopa-induced dyskinesia. To date, targeting serotonin transporters or serotonin receptor subtype 1A (5-HT1A ) reduces l-dopa-induced dyskinesia in animal models; however, these strategies have failed to translate clinically. Ideally, a compound acting at both known antidyskinetic sites could optimize serotonin-mediated approaches. Vilazodone is a selective serotonin reuptake inhibitor and a partial 5-HT1A agonist approved by the U.S. Food and Drug Administration, situating Vilazodone in a unique position to reduce l-dopa-induced dyskinesia without compromising l-dopa-mediated motor improvements. OBJECTIVES The goal of the present study was to characterize Vilazodone's effects on l-dopa-induced behaviors, neurochemistry and gene expression in unilateral 6-hydroxydopamine-lesioned hemi-parkinsonian rats. METHODS In experiments 1 and 2, l-dopa-naïve and l-dopa-primed animals were coadministered Vilazodone and l-dopa daily for 3 weeks to model subchronic use, and behavioral, neurochemical, and messenger RNA (mRNA) expression changes were measured. In experiment 3, dyskinetic behavior was assessed following 5-HT1A or serotonin receptor subtype 1B blockade prior to Vilazodone-l-dopa coadministration. RESULTS Vilazodone significantly suppressed developing and established l-dopa-induced dyskinesia without compromising the promotor effects of l-dopa therapy. In the dopamine-depleted striatum, Vilazodone-l-dopa cotreatment increased dopamine content, suggesting a normalization of dopamine kinetics in dyskinetic brain, and reduced l-dopa-induced c-Fos and preprodynorphin mRNA overexpression, indicative of attenuated dopamine D1 receptor-mediated direct pathway overactivity. Only 5-HT1A antagonism partially attenuated Vilazodone's antidyskinetic efficacy, suggesting both serotonin transporter-dependent effects and 5-HT1A receptors in Vilazodone's actions. CONCLUSIONS Our findings show Vilazodone has a serotonin-dependent effect on rodent l-dopa-induced dyskinesia and implicate the potential for repositioning Vilazodone against l-dopa-induced dyskinesia development and expression in Parkinson's disease patients. © 2018 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Samantha M Meadows
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Melissa M Conti
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Libby Gross
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Nicole E Chambers
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Yarden Avnor
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Corinne Y Ostock
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Kathryn Lanza
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
| | - Christopher Bishop
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, New York, USA
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Vegas-Suarez S, Paredes-Rodriguez E, Aristieta A, Lafuente JV, Miguelez C, Ugedo L. Dysfunction of serotonergic neurons in Parkinson's disease and dyskinesia. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2019; 146:259-279. [PMID: 31349930 DOI: 10.1016/bs.irn.2019.06.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is characterized by the degeneration of dopaminergic neurons in the substantia nigra, the depletion of striatal dopamine and the presence of Lewy aggregates containing alpha-synuclein. Clinically, there are motor impairments involving cardinal movement symptoms, bradykinesia, resting tremor, muscle rigidity, and postural abnormalities, along with non-motor symptoms such as sleep, behavior and mood disorders. The current treatment for PD focuses on restoring dopaminergic neurotransmission by l-3,4-dihydroxyphenylalanine (levodopa), which loses therapeutic efficacy and induces disabling abnormal involuntary movements known as levodopa-induced dyskinesia (LID) after several years. Evidence indicates that the pathophysiology of both PD and LID disorders is also associated with the dysfunctional activity of the serotonergic (5-HT) neurons that may be responsible for motor and non-motor disturbances. The main population of 5-HT neurons is located in the dorsal raphe nuclei (DRN), which provides extensive innervation to almost the entire neuroaxis and controls multiple functions in the brain. The degeneration of DRN 5-HT neurons occurs in early PD. These neurons can also take exogenous levodopa to transform it into dopamine, which may disturb neuron activity. This review will provide an overview of the underlying mechanisms responsible for 5-HT dysfunction and its clinical relevance in PD and dyskinesia.
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Affiliation(s)
- Sergio Vegas-Suarez
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain; Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain
| | - Elena Paredes-Rodriguez
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain; Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain
| | - Asier Aristieta
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France; Centre National de la Recherche Scientifique, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Jose V Lafuente
- Department of Neurosciences, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain; Nanosurgery, Biocruces Health Research Institute, Barakaldo, Spain
| | - Cristina Miguelez
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain; Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain
| | - Luisa Ugedo
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), Leioa, Spain; Neurodegenerative Diseases, Biocruces Health Research Institute, Barakaldo, Spain.
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14
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Kamińska K, Lenda T, Konieczny J, Wardas J, Lorenc-Koci E. Interactions of the tricyclic antidepressant drug amitriptyline with L-DOPA in the striatum and substantia nigra of unilaterally 6-OHDA-lesioned rats. Relevance to motor dysfunction in Parkinson's disease. Neurochem Int 2018; 121:125-139. [PMID: 30290201 DOI: 10.1016/j.neuint.2018.10.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 09/24/2018] [Accepted: 10/02/2018] [Indexed: 10/28/2022]
Abstract
Antidepressant drugs are recommended for the treatment of Parkinson's disease (PD)-associated depression but their role in the modulation of L-DOPA-induced behavioral and neurochemical markers is poorly explored. The aim of the present study was to examine the impact of the tricyclic antidepressant amitriptyline and L-DOPA, administered chronically alone or in combination, on rotational behavior, monoamine levels and binding of radioligands to their transporters in the dopaminergic brain structures of unilaterally 6-OHDA-lesioned rats. Binding of [3H]nisoxetine to noradrenaline transporter (NET), [3H]GBR 12,935 to dopamine transporter (DAT) and [3H]citalopram to serotonin transporter (SERT) were analyzed by autoradiography. Amitriptyline administered alone did not induce rotational behavior but in combination with L-DOPA increased the number of contralateral rotations much more strongly than L-DOPA alone. The combined treatment also significantly increased the tissue dopamine (DA) content in the ipsilateral striatum and substantia nigra (SN) vs. L-DOPA alone. 6-OHDA-mediated lesion of nigrostriatal DA neurons drastically reduced DAT and NET bindings in the ipsilateral striatum. In the ipsilateral SN, DAT binding decreased while NET binding rose. SERT binding increased significantly mainly in the SN. Amitriptyline administered alone or jointly with L-DOPA had no effect on DAT binding on the lesioned side, significantly decreased SERT binding in the striatum and SN while NET binding only in the SN. Since in the DA-denervated striatum, SERT is mainly responsible for reuptake of L-DOPA-derived DA while in the SN, SERT and NET are involved, the inhibition of these transporters by antidepressant drugs may improve dopaminergic transmission and consequently motor behavior.
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Affiliation(s)
- Kinga Kamińska
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, 31-343, Kraków, Smętna Street 12, Poland
| | - Tomasz Lenda
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, 31-343, Kraków, Smętna Street 12, Poland
| | - Jolanta Konieczny
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, 31-343, Kraków, Smętna Street 12, Poland
| | - Jadwiga Wardas
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, 31-343, Kraków, Smętna Street 12, Poland
| | - Elżbieta Lorenc-Koci
- Institute of Pharmacology, Polish Academy of Sciences, Department of Neuro-Psychopharmacology, 31-343, Kraków, Smętna Street 12, Poland.
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Messripour M, Gheisary MM, Mesripour A. Age Related Effects of Levodopa on Rat Brain Striatal Acetylcholinesterase. NEUROCHEM J+ 2018. [DOI: 10.1134/s1819712418010105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Carta M, Björklund A. The serotonergic system in L-DOPA-induced dyskinesia: pre-clinical evidence and clinical perspective. J Neural Transm (Vienna) 2018; 125:1195-1202. [PMID: 29480391 DOI: 10.1007/s00702-018-1865-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 02/19/2018] [Indexed: 11/28/2022]
Abstract
During the last decade, the serotonergic system has emerged as a key player in the appearance of L-DOPA-induced dyskinesia in animal models of Parkinson's disease. Clinical investigations, based on imaging and postmortem analyses, suggest that the serotonin neurons are also involved in the etiology of this complication of long-term L-DOPA treatment in parkinsonian patients. These findings have stimulated efforts to develop new therapies using drugs targeting the malfunctioning serotonin neurons. In this review, we summarize the experimental and clinical data obtained so far and discuss the prospects for further development of this therapeutic strategy.
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Affiliation(s)
- Manolo Carta
- Department of Biomedical Sciences, Section of Physiology, University of Cagliari, Cittadella Universitaria, SS554, Km 4.5, 09042, Monserrato, Italy.
| | - Anders Björklund
- Division of Neurobiology, Department of Experimental Medical Science, Wallenberg Neuroscience Center, Lund University, 221 84, Lund, Sweden
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17
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Serotonergic targets for the treatment of L-DOPA-induced dyskinesia. J Neural Transm (Vienna) 2018; 125:1203-1216. [PMID: 29305656 DOI: 10.1007/s00702-017-1837-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 12/28/2017] [Indexed: 12/31/2022]
Abstract
Dopamine (DA) replacement therapy with L-3,4-dihydroxyphenylalanine (L-DOPA) continues to be the gold-standard treatment for Parkinson's disease (PD). Despite clear symptomatic benefit, long-term L-DOPA use often results in the development of L-DOPA-induced dyskinesia (LID), significantly reducing quality of life and increasing costs for PD patients and their caregivers. Accumulated research has demonstrated that several pre- and post-synaptic mechanisms contribute to LID development and expression. In particular, raphe-striatal hyperinnervation and unregulated DA release from 5-HT terminals is postulated to play a central role in LID manifestation. As such, manipulation of the 5-HT system has garnered considerable attention. Both pre-clinical and clinical research has supported the potential of modulating the 5-HT system for LID prevention and treatment. This review discusses the rationale for continued investigation of several potential anti-dyskinetic strategies including 5-HT stimulation of 5-HT1A and 5-HT1B receptors and blockade of 5-HT2A receptors and SERT. We present the latest findings from experimental and clinical investigations evaluating these 5-HT targets with the goal of identifying those with translational promise and the challenges associated with each.
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18
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Cacabelos R, Lombardi V, Fernández-Novoa L, Carrera I, Cacabelos P, Corzo L, Carril JC, Teijido O. Basic and Clinical Studies With Marine LipoFishins and Vegetal Favalins in Neurodegeneration and Age-Related Disorders. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2018. [DOI: 10.1016/b978-0-444-64179-3.00006-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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19
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Chotibut T, Meadows S, Kasanga E, McInnis T, Cantu MA, Bishop C, Salvatore MF. Ceftriaxone reduces L-dopa-induced dyskinesia severity in 6-hydroxydopamine parkinson's disease model. Mov Disord 2017; 32:1547-1556. [PMID: 28631864 PMCID: PMC5681381 DOI: 10.1002/mds.27077] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 05/15/2017] [Accepted: 05/26/2017] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Increased extracellular glutamate may contribute to l-dopa induced dyskinesia, a debilitating side effect faced by Parkinson's disease patients 5 to 10 years after l-dopa treatment. Therapeutic strategies targeting postsynaptic glutamate receptors to mitigate dyskinesia may have limited success because of significant side effects. Increasing glutamate uptake may be another approach to attenuate excess glutamatergic neurotransmission to mitigate dyskinesia severity or prolong the time prior to onset. Initiation of a ceftriaxone regimen at the time of nigrostriatal lesion can attenuate tyrosine hydroxylase loss in conjunction with increased glutamate uptake and glutamate transporter GLT-1 expression in a rat 6-hydroxydopamine model. In this article, we examined if a ceftriaxone regimen initiated 1 week after nigrostriatal lesion, but prior to l-dopa, could reduce l-dopa-induced dyskinesia in an established dyskinesia model. METHODS Ceftriaxone (200 mg/kg, intraperitoneal, once daily, 7 consecutive days) was initiated 7 days post-6-hydroxydopamine lesion (days 7-13) and continued every other week (days 21-27, 35-39) until the end of the study (day 39 postlesion, 20 days of l-dopa). RESULTS Ceftriaxone significantly reduced abnormal involuntary movements at 5 time points examined during chronic l-dopa treatment. Partial recovery of motor impairment from nigrostriatal lesion by l-dopa was unaffected by ceftriaxone. The ceftriaxone-treated l-dopa group had significantly increased striatal GLT-1 expression and glutamate uptake. Striatal tyrosine hydroxylase loss in this group was not significantly different when compared with the l-dopa alone group. CONCLUSIONS Initiation of ceftriaxone after nigrostriatal lesion, but prior to and during l-dopa, may reduce dyskinesia severity without affecting l-dopa efficacy or the reduction of striatal tyrosine hydroxylase loss. © 2017 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Tanya Chotibut
- Department of Pharmacology, Toxicology, & Neuroscience, Louisiana State University Health Sciences Center, Shreveport, LA 71130
| | - Samantha Meadows
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902-6000
| | - Ella Kasanga
- Institute for Healthy Aging & Center for Neuroscience Discovery, University of North Texas Health Science Center, 3500 Camp Bowie, Fort Worth, TX 76107
| | - Tamara McInnis
- Institute for Healthy Aging & Center for Neuroscience Discovery, University of North Texas Health Science Center, 3500 Camp Bowie, Fort Worth, TX 76107
| | - Mark A. Cantu
- Institute for Healthy Aging & Center for Neuroscience Discovery, University of North Texas Health Science Center, 3500 Camp Bowie, Fort Worth, TX 76107
| | - Christopher Bishop
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902-6000
| | - Michael F. Salvatore
- Institute for Healthy Aging & Center for Neuroscience Discovery, University of North Texas Health Science Center, 3500 Camp Bowie, Fort Worth, TX 76107
- Department of Pharmacology, Toxicology, & Neuroscience, Louisiana State University Health Sciences Center, Shreveport, LA 71130
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20
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Cerri S, Siani F, Blandini F. Investigational drugs in Phase I and Phase II for Levodopa-induced dyskinesias. Expert Opin Investig Drugs 2017; 26:777-791. [PMID: 28535734 DOI: 10.1080/13543784.2017.1333598] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Prolonged treatment of Parkinson's disease (PD) with levodopa (L-DOPA) results in motor complications, including motor fluctuations and involuntary movements known as L-DOPA induced dyskinesias (LIDs). LIDs represent an additional cause of disability for PD patients and a major challenge for the clinical neurologist. Preclinical research has provided invaluable insights into the molecular and neural substrates of LIDs, identifying a number of potential targets for new anti-dyskinetic strategies. Areas covered: This review article is centered on drugs currently in Phase I and II clinical trials for LIDs and their relative pharmacological targets, which include glutamate, acetylcholine, serotonin, adrenergic receptors and additional targets of potential therapeutic interest. Expert opinion: LIDs are sustained by complex molecular and neurobiological mechanisms that are difficult to disentangle or target, unless one or more prevalent mechanisms are identified. In this context, the role of the serotonergic system and mGluR5 glutamate receptors seem to stand out. Interesting results have been obtained, for example, with partial 5-HT1A/5-HT1B receptor agonist eltoprazine and mGluR5 negative allosteric modulator dipraglurant. Confirmation of these results through large-scale, Phase III clinical trials will be needed, to obtain new pharmacological tools that may be used to optimize the treatment of PD patients with motor complications.
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Affiliation(s)
- Silvia Cerri
- a Laboratory of Functional Neurochemistry, Center for Research in Neurodegenerative Diseases , C. Mondino National Neurological Institute , Pavia , Italy
| | - Francesca Siani
- a Laboratory of Functional Neurochemistry, Center for Research in Neurodegenerative Diseases , C. Mondino National Neurological Institute , Pavia , Italy
| | - Fabio Blandini
- a Laboratory of Functional Neurochemistry, Center for Research in Neurodegenerative Diseases , C. Mondino National Neurological Institute , Pavia , Italy
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21
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Huot P, Sgambato-Faure V, Fox SH, McCreary AC. Serotonergic Approaches in Parkinson's Disease: Translational Perspectives, an Update. ACS Chem Neurosci 2017; 8:973-986. [PMID: 28460160 DOI: 10.1021/acschemneuro.6b00440] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Parkinson's disease (PD) has long been seen as a disorder caused by degeneration of the dopaminergic system, leading to the classic motor manifestations of the disease. However, there is now overwhelming evidence that PD is more than a disease merely caused by dopamine depletion. It is well-known that a myriad of other neurotransmitters are affected by the disease process. One such neurotransmitter is serotonin (5-HT). 5-HT has been shown to play a role in several motor and nonmotor manifestations of PD, including tremor, cognition, depression and psychosis. 5-HT also seems to play a critical role in L-3,4-dihydroxyphenylalanine (L-DOPA)-induced dyskinesia. A breadth of preclinical studies and clinical trials have been conducted that aimed at modulating the 5-HT system in order to alleviate depression, cognitive deficits, psychosis, and dyskinesia. In this Review, we summarize recent advances in the 5-HT field in PD, but with a translational emphasis. We start by presenting a novel nonhuman primate model of PD that presents with dual dopamine and 5-HT lesions. We then present preclinical and clinical data that introduce new concepts, such as the use of biased and partial agonists, as well as molecules recently introduced to the field of PD, such as eltoprazine, pimavanserin, nelotanserin, and SYN-120, to enhance therapeutic benefit while minimizing adverse events, notably on parkinsonian disability.
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Affiliation(s)
- Philippe Huot
- Centre de Recherche du Centre Hospitalier de l’Université de Montréal, Montreal, QC H2X 0A9, Canada
- Department
of Pharmacology, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Unité
des Troubles du Mouvement André Barbeau, Centre Hospitalier de l’Université de Montréal, Montreal, QC H2L 4M1, Canada
- Division
of Neurology, Centre Hospitalier de l’Université de Montréal, Montreal, QC, Canada
| | - Véronique Sgambato-Faure
- Institute of Cognitive
Neuroscience Marc Jeannerod, UMR 5229 CNRS, 69 675 Cedex Bron, France
- University Lyon 1, 69100 Villeurbanne, France
| | - Susan H. Fox
- Movement
Disorder Clinic, Toronto Western Hospital, University of Toronto, Toronto, ON M5T2S8, Canada
| | - Andrew C. McCreary
- Janssen Vaccines & Prevention B.V., Archimedesweg 4, 2333 CN Leiden, The Netherlands
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Florczak-Wyspianska J, Rozycka A, Wolny L, Lianeri M, Kozubski W, Dorszewska J. Polymorphisms of COMT (c.649G>A), MAO-A (c.1460C>T), NET (c.1287G>A) Genes and the Level of Catecholamines, Serotonin in Patients with Parkinson's Disease. DNA Cell Biol 2017; 36:501-512. [PMID: 28418735 DOI: 10.1089/dna.2016.3569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The purpose of this study was to determine the concentration of plasma norepinephrine (NE), epinephrine (E), and serotonin (5-HT) in two collections, after a 30-min supine (I) and 5-min upright position (II), and polymorphisms of genes, COMT (c.649G>A), MAO-A (c.1460C>T), and NET (c.1287G>A), in patients with Parkinson's disease (PD) and other degenerative parkinsonism and controls. The study was performed in 49 PD patients, 19 parkinsonism patients, and 48 controls. The level of NE, E, and 5-HT was determined by HPLC/EC. PCR-RFLP was conducted to analyze the COMT, MAO-A, and NET polymorphisms. Genotypes of COMT, MAO-A, and NET genes occurred with different frequencies in patients with movement disorders and controls. NET AA occurred 4.8 times more frequently in patients with parkinsonism than in PD (p < 0.05). COMT AA genotype was associated with increased E levels [E (I) p < 0.01, E (II) p < 0.05] in PD compared to controls. Patients with parkinsonism with MAO-A TT genotype have a significantly higher level of 5-HT [5-HT (II), p < 0.05] compared to controls. Moreover, PD patients with NET GA genotype have the lowest level of NE (p < 0.05) compared to controls. It appears that COMT, MAO-A, and NET polymorphisms and levels of NE, E, and 5-HT are involved in pathogenesis of PD.
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Affiliation(s)
| | - Agata Rozycka
- 2 Laboratory of Molecular Biology, Division of Perinatology and Women's Diseases, Poznan University of Medical Sciences , Poznan, Poland .,3 Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences , Poznan, Poland
| | - Lukasz Wolny
- 4 Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences , Poznan, Poland
| | - Margarita Lianeri
- 4 Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences , Poznan, Poland
| | - Wojciech Kozubski
- 1 Chair and Department of Neurology, Poznan University of Medical Sciences , Poznan, Poland
| | - Jolanta Dorszewska
- 4 Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences , Poznan, Poland
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Cacabelos R. Parkinson's Disease: From Pathogenesis to Pharmacogenomics. Int J Mol Sci 2017; 18:E551. [PMID: 28273839 PMCID: PMC5372567 DOI: 10.3390/ijms18030551] [Citation(s) in RCA: 308] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 02/06/2017] [Accepted: 02/20/2017] [Indexed: 12/12/2022] Open
Abstract
Parkinson's disease (PD) is the second most important age-related neurodegenerative disorder in developed societies, after Alzheimer's disease, with a prevalence ranging from 41 per 100,000 in the fourth decade of life to over 1900 per 100,000 in people over 80 years of age. As a movement disorder, the PD phenotype is characterized by rigidity, resting tremor, and bradykinesia. Parkinson's disease -related neurodegeneration is likely to occur several decades before the onset of the motor symptoms. Potential risk factors include environmental toxins, drugs, pesticides, brain microtrauma, focal cerebrovascular damage, and genomic defects. Parkinson's disease neuropathology is characterized by a selective loss of dopaminergic neurons in the substantia nigra pars compacta, with widespread involvement of other central nervous system (CNS) structures and peripheral tissues. Pathogenic mechanisms associated with genomic, epigenetic and environmental factors lead to conformational changes and deposits of key proteins due to abnormalities in the ubiquitin-proteasome system together with dysregulation of mitochondrial function and oxidative stress. Conventional pharmacological treatments for PD are dopamine precursors (levodopa, l-DOPA, l-3,4 dihidroxifenilalanina), and other symptomatic treatments including dopamine agonists (amantadine, apomorphine, bromocriptine, cabergoline, lisuride, pergolide, pramipexole, ropinirole, rotigotine), monoamine oxidase (MAO) inhibitors (selegiline, rasagiline), and catechol-O-methyltransferase (COMT) inhibitors (entacapone, tolcapone). The chronic administration of antiparkinsonian drugs currently induces the "wearing-off phenomenon", with additional psychomotor and autonomic complications. In order to minimize these clinical complications, novel compounds have been developed. Novel drugs and bioproducts for the treatment of PD should address dopaminergic neuroprotection to reduce premature neurodegeneration in addition to enhancing dopaminergic neurotransmission. Since biochemical changes and therapeutic outcomes are highly dependent upon the genomic profiles of PD patients, personalized treatments should rely on pharmacogenetic procedures to optimize therapeutics.
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Affiliation(s)
- Ramón Cacabelos
- EuroEspes Biomedical Research Center, Institute of Medical Science and Genomic Medicine, 15165-Bergondo, Corunna, Spain.
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