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Marano M, Pilotto A, Padovani A, Gupta D, Vivacqua G, Magliozzi A, Di Lazzaro V, Carta M, Meloni M. The chronic use of serotonin norepinephrine reuptake inhibitors facilitates dyskinesia priming in early Parkinson's disease. J Neurol 2024; 271:3711-3720. [PMID: 38720139 DOI: 10.1007/s00415-024-12400-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 04/12/2024] [Accepted: 04/24/2024] [Indexed: 07/10/2024]
Abstract
BACKGROUND Parkinson's disease (PD) patients are frequently exposed to antidepressant medications (ADMs). Norepinephrine (NE) and serotonin (5HT) systems have a role in levodopa-induced dyskinesias (LID) pathophysiology. METHODS We performed a longitudinal analysis on the PPMI cohort including drug-naïve PD patients, who are progressively exposed to dopamine replacement therapies (DRTs) to test the effect of ADM exposure on LID development by the 4th year of follow-up. RESULTS LID prevalence (according to MDS UPDRS score 4.1 ≥ 1) was 16% (42/251); these patients were more likely women (p = 0.01), had higher motor (p < 0.001) and depression scores (p = 0.01) and lower putaminal DAT binding ratio (p = 0.01). LID were associated with the exposure time to L-DOPA (2.2 ± 1.07 vs 2.6 ± 0.9, p = 0.02) and to the exposure to ADMs, in particular to SNRI (4.8% vs 21.4%, p < 0.001). The latter persisted after correcting for significant covariates (e.g., disease duration, cognitive status, motor impairment, depression, dopaminergic denervation). A similar difference in LID prevalence in PD patients exposed vs non-exposed to SNRI was observed on matched data by the real-world TriNetX repository (22% vs 13%, p < 0.001). DISCUSSION This study supports the presence of an effect of SNRI on LID priming in patients with early PD. Independent prospective cohort studies are warranted to further verify such association.
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Affiliation(s)
- Massimo Marano
- Neurology, Neurophysiology, Neurobiology and Psychiatry Unit, Department of Medicine, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 200, 00128, Rome, Italy.
- Fondazione Policlinico Universitario Campus Bio-Medico, Viale Alvaro del Portillo 200, 00128, Rome, Italy.
| | - Andrea Pilotto
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
- Laboratory of Digital Neurology and Biosensors, University of Brescia, Brescia, Italy
- Neurology Unit, Department of Continuity of Care and Frailty, ASST Spedali Civili Brescia Hospital, Brescia, Italy
- Brain Health Center, University of Brescia, Brescia, Italy
| | - Alessandro Padovani
- Neurology Unit, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
- Laboratory of Digital Neurology and Biosensors, University of Brescia, Brescia, Italy
- Neurology Unit, Department of Continuity of Care and Frailty, ASST Spedali Civili Brescia Hospital, Brescia, Italy
- Brain Health Center, University of Brescia, Brescia, Italy
| | - Deepak Gupta
- Department of Neurological Sciences, Larner College of Medicine, University of Vermont, Burlington, VT, USA
| | - Giorgio Vivacqua
- Laboratory of Microscopic and Ultrastructural Anatomy, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 21, 00128, Roma, Italy
| | - Alessandro Magliozzi
- Neurology, Neurophysiology, Neurobiology and Psychiatry Unit, Department of Medicine, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 200, 00128, Rome, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Viale Alvaro del Portillo 200, 00128, Rome, Italy
| | - Vincenzo Di Lazzaro
- Neurology, Neurophysiology, Neurobiology and Psychiatry Unit, Department of Medicine, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 200, 00128, Rome, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Viale Alvaro del Portillo 200, 00128, Rome, Italy
| | - Manolo Carta
- Department of Biomedical Sciences, University of Cagliari, Cagliari, CA, Italy
| | - Mario Meloni
- Neurology Unit, Azienda Ospedaliera Universitaria di Cagliari, Cagliari, Italy
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2
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Huang YT, Chen YW, Lin TY, Chen JC. Suppression of presynaptic corticostriatal glutamate activity attenuates L-dopa-induced dyskinesia in 6-OHDA-lesioned Parkinson's disease mice. Neurobiol Dis 2024; 193:106452. [PMID: 38401650 DOI: 10.1016/j.nbd.2024.106452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024] Open
Abstract
A common adverse effect of Parkinson's disease (PD) treatment is L-dopa-induced dyskinesia (LID). This condition results from both dopamine (DA)-dependent and DA-independent mechanisms, as glutamate inputs from corticostriatal projection neurons impact DA-responsive medium spiny neurons in the striatum to cause the dyskinetic behaviors. In this study, we explored whether suppression of presynaptic corticostriatal glutamate inputs might affect the behavioral and biochemical outcomes associated with LID. We first established an animal model in which 6-hydroxydopamine (6-OHDA)-lesioned mice were treated daily with L-dopa (10 mg/kg, i.p.) for 2 weeks; these mice developed stereotypical abnormal involuntary movements (AIMs). When the mice were pretreated with the NMDA antagonist, amantadine, we observed suppression of AIMs and reductions of phosphorylated ERK1/2 and NR2B in the striatum. We then took an optogenetic approach to manipulate glutamatergic activity. Slc17a6 (vGluT2)-Cre mice were injected with pAAV5-Ef1a-DIO-eNpHR3.0-mCherry and received optic fiber implants in either the M1 motor cortex or dorsolateral striatum. Optogenetic inactivation at either optic fiber implant location could successfully reduce the intensity of AIMs after 6-OHDA lesioning and L-dopa treatment. Both optical manipulation strategies also suppressed phospho-ERK1/2 and phospho-NR2B signals in the striatum. Finally, we performed intrastriatal injections of LDN 212320 in the dyskenesic mice to enhance expression of glutamate uptake transporter GLT-1. Sixteen hours after the LDN 212320 treatment, L-dopa-induced AIMs were reduced along with the levels of striatal phospho-ERK1/2 and phospho-NR2B. Together, our results affirm a critical role of corticostriatal glutamate neurons in LID and strongly suggest that diminishing synaptic glutamate, either by suppression of neuronal activity or by upregulation of GLT-1, could be an effective approach for managing LID.
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Affiliation(s)
- Yu-Ting Huang
- Graduate Institute of Biomedical Sciences, School of Medicine, Chang-Gung University, Taoyuan, Taiwan
| | - Ya-Wen Chen
- Graduate Institute of Biomedical Sciences, School of Medicine, Chang-Gung University, Taoyuan, Taiwan
| | - Tze-Yen Lin
- Department and Graduate Institute of Physiology, National Taiwan University, College of Medicine, Taipei, Taiwan
| | - Jin-Chung Chen
- Graduate Institute of Biomedical Sciences, School of Medicine, Chang-Gung University, Taoyuan, Taiwan; Department of Physiology and Pharmacology, Healthy Ageing Research Center, Chang-Gung University, Taiwan; Neuroscience Research Center and Department of Psychiatry, Chang-Gung Memorial Hospitall, Linkou, Taiwan.
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3
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Buchanan AM, Mena S, Choukari I, Vasa A, Crawford JN, Fadel J, Maxwell N, Reagan L, Cruikshank A, Best J, Nijhout HF, Reed M, Hashemi P. Serotonin as a biomarker of toxin-induced Parkinsonism. Mol Med 2024; 30:33. [PMID: 38429661 PMCID: PMC10908133 DOI: 10.1186/s10020-023-00773-9] [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: 04/07/2023] [Accepted: 12/18/2023] [Indexed: 03/03/2024] Open
Abstract
BACKGROUND Loss of dopaminergic neurons underlies the motor symptoms of Parkinson's disease (PD). However stereotypical PD symptoms only manifest after approximately 80% of dopamine neurons have died making dopamine-related motor phenotypes unreliable markers of the earlier stages of the disease. There are other non-motor symptoms, such as depression, that may present decades before motor symptoms. METHODS Because serotonin is implicated in depression, here we use niche, fast electrochemistry paired with mathematical modelling and machine learning to, for the first time, robustly evaluate serotonin neurochemistry in vivo in real time in a toxicological model of Parkinsonism, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). RESULTS Mice treated with acute MPTP had lower concentrations of in vivo, evoked and ambient serotonin in the hippocampus, consistent with the clinical comorbidity of depression with PD. These mice did not chemically respond to SSRI, as strongly as control animals did, following the clinical literature showing that antidepressant success during PD is highly variable. Following L-DOPA administration, using a novel machine learning analysis tool, we observed a dynamic shift from evoked serotonin release in the hippocampus to dopamine release. We hypothesize that this finding shows, in real time, that serotonergic neurons uptake L-DOPA and produce dopamine at the expense of serotonin, supporting the significant clinical correlation between L-DOPA and depression. Finally, we found that this post L-DOPA dopamine release was less regulated, staying in the synapse for longer. This finding is perhaps due to lack of autoreceptor control and may provide a ground from which to study L-DOPA induced dyskinesia. CONCLUSIONS These results validate key prior hypotheses about the roles of serotonin during PD and open an avenue to study to potentially improve therapeutics for levodopa-induced dyskinesia and depression.
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Affiliation(s)
- Anna Marie Buchanan
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina SOM, Columbia, SC, 29209, USA
| | - Sergio Mena
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Iman Choukari
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK
| | - Aditya Vasa
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Jesseca N Crawford
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina SOM, Columbia, SC, 29209, USA
| | - Jim Fadel
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina SOM, Columbia, SC, 29209, USA
| | - Nick Maxwell
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina SOM, Columbia, SC, 29209, USA
| | - Lawrence Reagan
- Department of Pharmacology, Physiology, & Neuroscience, University of South Carolina SOM, Columbia, SC, 29209, USA
- Columbia VA Health Care System, Columbia, SC, 29208, USA
| | | | - Janet Best
- Department of Mathematics, The Ohio State University, Columbus, OH, USA
| | | | - Michael Reed
- Department of Mathematics, Duke University, Durham, NC, USA
| | - Parastoo Hashemi
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA.
- Department of Bioengineering, Imperial College London, London, SW7 2AZ, UK.
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Dwivedi A, Dwivedi N, Kumar A, Singh VK, Pathak A, Chaurasia RN, Mishra VN, Mohanty S, Joshi D. Association of Catechol-O-Methyltransferase Gene rs4680 Polymorphism and Levodopa Induced Dyskinesia in Parkinson's Disease: A Meta-Analysis and Systematic Review. J Geriatr Psychiatry Neurol 2023; 36:98-106. [PMID: 35603896 DOI: 10.1177/08919887221103580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Long-term levodopa therapy for Parkinson's disease (PD) can cause levodopa induced dyskinesia (LID). Genetic predisposition has a significant role to play in inter-individual heterogeneity in the clinical manifestation of LID. Despite accumulating evidence for the role of COMT gene polymorphism (rs4680) as a genetic basis for LID, to date results have been inconsistent. Early assessment of the Catechol-O-Methyltransferase (COMT) genotype might be helpful to stratify PD patients concerning their individual risk for LID. METHOD In this meta-analysis, we have used 9 studies, which were selected through online databases. Statistical analysis was performed using R (v-3.6) software. 5 genetic models have been used in the present study: Allele model (A vs. G), Dominant model (AA+AG vs. GG), Homozygote model (AA vs. GG), Co-dominant/heterozygote model (AG vs. GG), and Recessive model (AA vs. AG + GG). RESULTS The results indicated a significant association between COMT rs4680 (Val158Met) polymorphism and LID risk. The genotype AA of COMT rs4680 is a risk factor for LID in PD patients under the recessive model (AA vs GG+AG) in the random-effect model. Analysis based on ethnicity showed that COMT rs4680 SNP allele A is a risk factor for LID development in Asian PD patients, while GG genotype is a risk factor for LID development in non-Asian PD patients using different genetic models. CONCLUSION The results of the present meta-analysis support that the COMT Val158Met polymorphism is a risk factor for the development of LID in PD patients having ethnic variations.
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Affiliation(s)
- Archana Dwivedi
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
| | - Nidhi Dwivedi
- Department of community medicine, NDMC Medical College and 56888Hindu Rao Hospital, New Delhi, India
| | - Anand Kumar
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
| | - Varun K Singh
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
| | - Abhishek Pathak
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
| | - R N Chaurasia
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
| | - V N Mishra
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
| | - Sujata Mohanty
- Stem Cell Facility, DBT-Centre of Excellence for Stem Cell Research, 28730All India Institute of Medical Sciences, New Delhi, India
| | - Deepika Joshi
- Department of Neurology, Institute of Medical Sciences, 30117Banaras Hindu University, Varanasi, India
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5
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Role of P11 through serotonergic and glutamatergic pathways in LID. Mol Biol Rep 2023; 50:4535-4549. [PMID: 36853472 DOI: 10.1007/s11033-023-08326-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 02/09/2023] [Indexed: 03/01/2023]
Abstract
Parkinson's disease is a progressive neurodegenerative disorder caused by the degeneration of dopaminergic neurons. This leads to the pathogenesis of multiple basal ganglia-thalamomotor loops and diverse neurotransmission alterations. Dopamine replacement therapy, and on top of that, levodopa and l-3,4-dihydroxyphenylalanine (L-DOPA), is the gold standard treatment, while it develops numerous complications. Levodopa-induced dyskinesia (LID) is well-known as the most prominent side effect. Several studies have been devoted to tackling this problem. Studies showed that metabotropic glutamate receptor 5 (mGluR5) antagonists and 5-hydroxytryptamine receptor 1B (5HT1B) agonists significantly reduced LID when considering the glutamatergic overactivity and compensatory mechanisms of serotonergic neurons after L-DOPA therapy. Moreover, it is documented that these receptors act through an adaptor protein called P11 (S100A10). This protein has been thought to play a crucial role in LID due to its interactions with numerous ion channels and receptors. Lately, experiments have shown successful evidence of the effects of P11 blockade on alleviating LID greater than 5HT1B and mGluR5 manipulations. In contrast, there is a trace of ambiguity in the exact mechanism of action. P11 has shown the potential to be a promising target to diminish LID and prolong L-DOPA therapy in parkinsonian patients owing to further studies and experiments.
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6
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Synergistic effect of serotonin 1A and serotonin 1B/D receptor agonists in the treatment of L-DOPA-induced dyskinesia in 6-hydroxydopamine-lesioned rats. Exp Neurol 2022; 358:114209. [PMID: 35988699 DOI: 10.1016/j.expneurol.2022.114209] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 08/01/2022] [Accepted: 08/14/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND The gold standard for symptomatic relief of Parkinson's disease (PD) is L-DOPA. However, long-term treatment often leads to motor complications such as L-DOPA-induced dyskinesia (LID). While amantadine (Gocovri™) is the only approved therapy for dyskinesia in PD patients on the American market, it is associated with neurological side effects and limited efficacy. Thus, there remains a high unmet need for addressing LID in PD patients worldwide. OBJECTIVE The objective of this study was to evaluate the efficacy, safety and performance compared to approved treatments of the serotonin receptor 1A (5-HT1A) and 5-HT1B/D agonists buspirone and zolmitriptan in the 6-hydroxydopamine unilaterally lesioned rat model for PD. METHODS The hemiparkinsonian 6-OHDA-lesioned rats underwent chronic treatment with L-DOPA to induce dyskinesia and were subsequently used for efficacy testing of buspirone, zolmitriptan and comparison with amantadine, measured as abnormal involuntary movement (AIM) scores after L-DOPA challenge. Safety testing was performed in model and naïve animals using forelimb adjusting, rotarod and open field tests. RESULTS 5-HT1A and 5-HT1B/D agonism effectively reduced AIM scores in a synergistic manner. The drug combination of buspirone and zolmitriptan was safe and did not lead to tolerance development following sub-chronic administration. Head-to-head comparison with amantadine showed superior performance of buspirone and zolmitriptan in the model. CONCLUSIONS The strong anti-dyskinetic effect found with combined 5-HT1A and 5-HT1B/D agonism renders buspirone and zolmitriptan together a meaningful treatment for LID in PD.
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7
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Wilson L, Lee CA, Mason CF, Khodjaniyazova S, Flores KB, Muddiman DC, Sombers LA. Simultaneous Measurement of Striatal Dopamine and Hydrogen Peroxide Transients Associated with L-DOPA Induced Rotation in Hemiparkinsonian Rats. ACS MEASUREMENT SCIENCE AU 2022; 2:120-131. [PMID: 36785724 PMCID: PMC9838821 DOI: 10.1021/acsmeasuresciau.1c00030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder commonly treated with levodopa (L-DOPA), which eventually induces abnormal involuntary movements (AIMs). The neurochemical contributors to these dyskinesias are unknown; however, several lines of evidence indicate an interplay of dopamine (DA) and oxidative stress. Here, DA and hydrogen peroxide (H2O2) were simultaneously monitored at discrete recording sites in the dorsal striata of hemiparkinsonian rats using fast-scan cyclic voltammetry. Mass spectrometry imaging validated the lesions. Hemiparkinsonian rats exhibited classic L-DOPA-induced AIMs and rotations as well as increased DA and H2O2 tone over saline controls after 1 week of treatment. By week 3, DA tone remained elevated beyond that of controls, but H2O2 tone was largely normalized. At this time point, rapid chemical transients were time-locked with spontaneous bouts of rotation. Striatal H2O2 rapidly increased with the initiation of contraversive rotational behaviors in lesioned L-DOPA animals, in both hemispheres. DA signals simultaneously decreased with rotation onset. The results support a role for these striatal neuromodulators in the adaptive changes that occur with L-DOPA treatment in PD and reveal a precise interplay between DA and H2O2 in the initiation of involuntary locomotion.
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Affiliation(s)
- Leslie
R. Wilson
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Christie A. Lee
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Catherine F. Mason
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Sitora Khodjaniyazova
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Kevin B. Flores
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - David C. Muddiman
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
| | - Leslie A. Sombers
- Department
of Chemistry, Department of Mathematics, Molecular Education, Technology,
and Research Innovation Center (METRIC), Center for Research in Scientific
Computation, and Comparative Medicine Institute, North Carolina
State University, Raleigh, North Carolina 27695, United States
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8
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Bandopadhyay R, Mishra N, Rana R, Kaur G, Ghoneim MM, Alshehri S, Mustafa G, Ahmad J, Alhakamy NA, Mishra A. Molecular Mechanisms and Therapeutic Strategies for Levodopa-Induced Dyskinesia in Parkinson’s Disease: A Perspective Through Preclinical and Clinical Evidence. Front Pharmacol 2022; 13:805388. [PMID: 35462934 PMCID: PMC9021725 DOI: 10.3389/fphar.2022.805388] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/21/2022] [Indexed: 12/20/2022] Open
Abstract
Parkinson’s disease (PD) is the second leading neurodegenerative disease that is characterized by severe locomotor abnormalities. Levodopa (L-DOPA) treatment has been considered a mainstay for the management of PD; however, its prolonged treatment is often associated with abnormal involuntary movements and results in L-DOPA-induced dyskinesia (LID). Although LID is encountered after chronic administration of L-DOPA, the appearance of dyskinesia after weeks or months of the L-DOPA treatment has complicated our understanding of its pathogenesis. Pathophysiology of LID is mainly associated with alteration of direct and indirect pathways of the cortico-basal ganglia-thalamic loop, which regulates normal fine motor movements. Hypersensitivity of dopamine receptors has been involved in the development of LID; moreover, these symptoms are worsened by concurrent non-dopaminergic innervations including glutamatergic, serotonergic, and peptidergic neurotransmission. The present study is focused on discussing the recent updates in molecular mechanisms and therapeutic approaches for the effective management of LID in PD patients.
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Affiliation(s)
- Ritam Bandopadhyay
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Nainshi Mishra
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Ruhi Rana
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Gagandeep Kaur
- Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Mohammed M. Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia
| | - Sultan Alshehri
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Gulam Mustafa
- College of Pharmacy (Boys), Al-Dawadmi Campus, Shaqra University, Riyadh, Saudi Arabia
| | - Javed Ahmad
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Nabil. A. Alhakamy
- Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Awanish Mishra
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)—Guwahati, Guwahati, India
- *Correspondence: Awanish Mishra, ,
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9
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Serotonin-Related Functional Genetic Variants Affect the Occurrence of Psychiatric and Motor Adverse Events of Dopaminergic Treatment in Parkinson’s Disease: A Retrospective Cohort Study. J Pers Med 2022; 12:jpm12020266. [PMID: 35207756 PMCID: PMC8875505 DOI: 10.3390/jpm12020266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/02/2022] [Accepted: 02/04/2022] [Indexed: 12/02/2022] Open
Abstract
The serotonergic system is important in Parkinson’s disease (PD) pathogenesis as it can take over dopamine production after a large portion of dopaminergic neurons is lost through neurodegeneration. The aim of this study was to evaluate the effect of genetic variability of serotonergic genes on the occurrence of motor complications and psychiatric adverse events (AE) due to dopaminergic treatment. We enrolled 231 patients and their clinical data were collected. Genotyping was performed for eight genetic variants. Logistic regression was used for analysis. Carriers of the HTR1A rs6295 GC genotype (OR = 2.58; 95% CI = 1.15–5.78; p = 0.021), TPH2 rs4290270 AA genotype (OR = 2.78; 95% CI = 1.08–7.03; p = 0.034), and at least one TPH2 rs4570625 T allele (OR = 1.86; 95% CI = 1.00–3.44; p = 0.047) had increased risk for visual hallucinations (VH). Additionally, carriers of at least one SLC6A4 5-HTTPLR rs25531 S (OR = 0.52; 95% CI = 0.28–0.96; p = 0.037) or at least one LG allele (OR = 0.37; 95% CI = 0.14–0.97; p = 0.044) had a decreased chance for VH. Constructed haplotypes of the TPH2 showed increased risk for VH (OR = 1.94; 95% CI = 1.06–3.55; p = 0.032) and impulse control disorders (OR = 5.20; 95% CI = 1.86–14.50; p = 0.002). Finally, individual gene–gene interactions showed decreased odds for the development of motor AE. Our findings suggest that the serotonergic pathway may play an important role in the development of AE resulting from dopaminergic treatment.
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10
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Hansen CA, Miller DR, Annarumma S, Rusch CT, Ramirez-Zamora A, Khoshbouei H. Levodopa-induced dyskinesia: a historical review of Parkinson's disease, dopamine, and modern advancements in research and treatment. J Neurol 2022; 269:2892-2909. [PMID: 35039902 DOI: 10.1007/s00415-022-10963-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 12/01/2022]
Abstract
Over the past two decades, animal models of Parkinson's disease (PD) have helped to determine the plausible underlying mechanism of levo-dihydroxyphenylalanine (L-DOPA)-induced dyskinesia following L-DOPA treatment. However, our understanding of the mechanisms related to this phenomenon remains incomplete. The purpose of this manuscript is to provide a comprehensive review of treatment protocols used for assessing the occurrence of L-DOPA-induced dyskinesia, L-DOPA absorption, distribution, drug/food interaction, and discuss current strategies and future directions. This review offers a historical perspective using L-DOPA in animal models of PD and the occurrence of L-DOPA-induced dyskinesia.
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Affiliation(s)
- Carissa A Hansen
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Douglas R Miller
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA.
| | - Stephanie Annarumma
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, USA
| | - Carley T Rusch
- Food Science and Human Nutrition Department, University of Florida, Gainesville, FL, USA.,Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Adolfo Ramirez-Zamora
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Habibeh Khoshbouei
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA.
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11
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Altwal F, Padovan-Neto FE, Ritger A, Steiner H, West AR. Role of 5-HT1A Receptor in Vilazodone-Mediated Suppression of L-DOPA-Induced Dyskinesia and Increased Responsiveness to Cortical Input in Striatal Medium Spiny Neurons in an Animal Model of Parkinson's Disease. Molecules 2021; 26:molecules26195790. [PMID: 34641332 PMCID: PMC8510243 DOI: 10.3390/molecules26195790] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/07/2021] [Accepted: 09/20/2021] [Indexed: 01/06/2023] Open
Abstract
L-DOPA therapy in Parkinson’s disease (PD) is limited due to emerging L-DOPA-induced dyskinesia. Research has identified abnormal dopamine release from serotonergic (5-HT) terminals contributing to this dyskinesia. Selective serotonin reuptake inhibitors (SSRIs) or 5-HT receptor (5-HTr) agonists can regulate 5-HT activity and attenuate dyskinesia, but they often also produce a loss of the antiparkinsonian efficacy of L-DOPA. We investigated vilazodone, a novel multimodal 5-HT agent with SSRI and 5-HTr1A partial agonist properties, for its potential to reduce dyskinesia without interfering with the prokinetic effects of L-DOPA, and underlying mechanisms. We assessed vilazodone effects on L-DOPA-induced dyskinesia (abnormal involuntary movements, AIMs) and aberrant responsiveness to corticostriatal drive in striatal medium spiny neurons (MSNs) measured with in vivo single-unit extracellular recordings, in the 6-OHDA rat model of PD. Vilazodone (10 mg/kg) suppressed all subtypes (axial, limb, orolingual) of AIMs induced by L-DOPA (5 mg/kg) and the increase in MSN responsiveness to cortical stimulation (shorter spike onset latency). Both the antidyskinetic effects and reversal in MSN excitability by vilazodone were inhibited by the 5-HTr1A antagonist WAY-100635, demonstrating a critical role for 5-HTr1A in these vilazodone actions. Our results indicate that vilazodone may serve as an adjunct therapeutic for reducing dyskinesia in patients with PD.
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Affiliation(s)
- Feras Altwal
- Center for Neurodegenerative Disease & Therapeutics, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA; (F.A.); (A.R.W.)
- School of Graduate and Postdoctoral Studies, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA;
- Discipline of Neuroscience, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA;
| | - Fernando E. Padovan-Neto
- Discipline of Neuroscience, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA;
| | - Alexandra Ritger
- School of Graduate and Postdoctoral Studies, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA;
- Discipline of Neuroscience, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA;
| | - Heinz Steiner
- Stanson Toshok Center for Brain Function and Repair, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Discipline of Cellular and Molecular Pharmacology, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Correspondence:
| | - Anthony R. West
- Center for Neurodegenerative Disease & Therapeutics, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA; (F.A.); (A.R.W.)
- Discipline of Neuroscience, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA;
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12
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Scheggi S, Rossi F, Corsi S, Fanni S, Tronci E, Ludovica C, Vargiu R, Gambarana C, Muñoz A, Stancampiano R, Björklund A, Carta M. BDNF Overexpression Increases Striatal D3 Receptor Level at Striatal Neurons and Exacerbates D1-Receptor Agonist-Induced Dyskinesia. JOURNAL OF PARKINSONS DISEASE 2021; 10:1503-1514. [PMID: 32651332 DOI: 10.3233/jpd-202061] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND We recently showed that striatal overexpression of brain derived neurotrophic factor (BDNF) by adeno-associated viral (AAV) vector exacerbated L-DOPA-induced dyskinesia (LID) in 6-OHDA-lesioned rats. An extensive sprouting of striatal serotonergic terminals accompanied this effect, accounting for the increased susceptibility to LID. OBJECTIVE We set to investigate whether the BDNF effect was restricted to LID, or extended to dyskinesia induced by direct D1 receptor agonists. METHODS Unilaterally 6-OHDA-lesioned rats received a striatal injection of an AAV vector to induce BDNF or GFP overexpression. Eight weeks later, animals received daily treatments with a low dose of SKF82958 (0.02 mg/kg s.c.) and development of dyskinesia was evaluated. At the end of the experiment, D1 and D3 receptors expression levels and D1 receptor-dependent signaling pathways were measured in the striatum. RESULTS BDNF overexpression induced significant worsening of dyskinesia induced by SKF82958 compared to the GFP group and increased the expression of D3 receptor at striatal level, even in absence of pharmacological treatment; by contrast, D1 receptor levels were not affected. In BDNF-overexpressing striata, SKF82958 administration resulted in increased levels of D1-D3 receptors co-immunoprecipitation and increased phosphorylation levels of Thr34 DARPP-32 and ERK1/2. CONCLUSION Here we provide evidence for a functional link between BDNF, D3 receptors and D1-D3 receptor close interaction in the augmented susceptibility to dyskinesia in 6-OHDA-lesioned rats. We suggest that D1-D3 receptors interaction may be instrumental in driving the molecular alterations underlying the appearance of dyskinesia; its disruption may be a therapeutic strategy for treating dyskinesia in PD patients.
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Affiliation(s)
- Simona Scheggi
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Francesca Rossi
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
| | - Sara Corsi
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
| | - Silvia Fanni
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
| | - Elisabetta Tronci
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
| | - Congiu Ludovica
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
| | - Romina Vargiu
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
| | - Carla Gambarana
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Ana Muñoz
- Department of Morphological Sciences, CIMUS, University of Santiago de Compostela, Santiago de Compostela, Spain
| | | | - Anders Björklund
- Department of Experimental Medical Science, Wallenberg Neuroscience Center, Division of Neurobiology, Lund University, Lund, Sweden
| | - Manolo Carta
- Department of Biomedical Sciences, Cagliari University, Cagliari, Italy
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13
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Vidal B, Levigoureux E, Chaib S, Bouillot C, Billard T, Newman-Tancredi A, Zimmer L. Different Alterations of Agonist and Antagonist Binding to 5-HT1A Receptor in a Rat Model of Parkinson’s Disease and Levodopa-Induced Dyskinesia: A MicroPET Study. JOURNAL OF PARKINSONS DISEASE 2021; 11:1257-1269. [DOI: 10.3233/jpd-212580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background: The gold-standard treatment for Parkinson’s disease is L-DOPA, which in the long term often leads to levodopa-induced dyskinesia. Serotonergic neurons are partially responsible for this, by converting L-DOPA into dopamine leading to its uncontrolled release as a “false neurotransmitter”. The stimulation of 5-HT1A receptors can reduce involuntary movements but this mechanism is poorly understood. Objective: This study aimed to investigate the functionality of 5-HT1A receptors using positron emission tomography in hemiparkinsonian rats with or without dyskinesia induced by 3-weeks daily treatment with L-DOPA. Imaging sessions were performed “off” L-DOPA. Methods: Each rat underwent a positron emission tomography scan with [18F]F13640, a 5-HT1AR agonist which labels receptors in a high affinity state for agonists, or with [18F]MPPF, a 5-HT1AR antagonist which labels all the receptors. Results: There were decreases of [18F]MPPF binding in hemiparkinsonian rats in cortical areas. In dyskinetic animals, changes were slighter but also found in other regions. In hemiparkinsonian rats, [18F]F13640 uptake was decreased bilaterally in the globus pallidus and thalamus. On the non-lesioned side, binding was increased in the insula, the hippocampus and the amygdala. In dyskinetic animals, [18F]F13640 binding was strongly increased in cortical and limbic areas, especially in the non-lesioned side. Conclusion: These data suggest that agonist and antagonist 5-HT1A receptor-binding sites are differently modified in Parkinson’s disease and levodopa-induced dyskinesia. In particular, these observations suggest a substantial involvement of the functional state of 5-HT1AR in levodopa-induced dyskinesia and emphasize the need to characterize this state using agonist radiotracers in physiological and pathological conditions.
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Affiliation(s)
- Benjamin Vidal
- Lyon Neuroscience Research Center, Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INSERM, Lyon, France
| | - Elise Levigoureux
- Lyon Neuroscience Research Center, Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INSERM, Lyon, France
- Hospices Civils de Lyon, Lyon, France
| | - Sarah Chaib
- Lyon Neuroscience Research Center, Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INSERM, Lyon, France
- Hospices Civils de Lyon, Lyon, France
| | | | - Thierry Billard
- CERMEP-Imaging Platform, Bron, France
- Institute of Chemistry and Biochemistry, Université de Lyon, CNRS, Villeurbanne, France
| | | | - Luc Zimmer
- Lyon Neuroscience Research Center, Université de Lyon, Université Claude Bernard Lyon 1, CNRS, INSERM, Lyon, France
- Hospices Civils de Lyon, Lyon, France
- CERMEP-Imaging Platform, Bron, France
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14
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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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15
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De Deurwaerdère P, Chagraoui A, Di Giovanni G. Serotonin/dopamine interaction: Electrophysiological and neurochemical evidence. PROGRESS IN BRAIN RESEARCH 2021; 261:161-264. [PMID: 33785130 DOI: 10.1016/bs.pbr.2021.02.001] [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
The interaction between serotonin (5-HT) and dopamine (DA) in the central nervous system (CNS) plays an important role in the adaptive properties of living animals to their environment. These are two modulatory, divergent systems shaping and regulating in a widespread manner the activity of neurobiological networks and their interaction. The concept of one interaction linking these two systems is rather elusive when looking at the mechanisms triggered by these two systems across the CNS. The great variety of their interacting mechanisms is in part due to the diversity of their neuronal origin, the density of their fibers in a given CNS region, the distinct expression of their numerous receptors in the CNS, the heterogeneity of their intracellular signaling pathway that depend on the cellular type expressing their receptors, and the state of activity of neurobiological networks, conditioning the outcome of their mutual influences. Thus, originally conceptualized as inhibition of 5-HT on DA neuron activity and DA neurotransmission, this interaction is nowadays considered as a multifaceted, mutual influence of these two systems in the regulation of CNS functions. These new ways of understanding this interaction are of utmost importance to envision the consequences of their dysfunctions underlined in several CNS diseases. It is also essential to conceive the mechanism of action of psychotropic drugs directly acting on their function including antipsychotic, antidepressant, antiparkinsonian, and drug of abuse together with the development of therapeutic strategies of Alzheimer's diseases, epilepsy, obsessional compulsive disorders. The 5-HT/DA interaction has a long history from the serendipitous discovery of antidepressants and antipsychotics to the future, rationalized treatments of CNS disorders.
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Affiliation(s)
- Philippe De Deurwaerdère
- Centre National de la Recherche Scientifique, Institut des Neurosciences Intégratives et Cognitives d'Aquitaine, UMR 5287, Bordeaux, France.
| | - Abdeslam Chagraoui
- Laboratory of Neuronal and Neuroendocrine Differentiation and Communication, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Normandie University, UNIROUEN, INSERM U1239, Rouen, France; Department of Medical Biochemistry, Rouen University Hospital, Rouen, France
| | - Giuseppe Di Giovanni
- Laboratory of Neurophysiology, Department of Physiology and Biochemistry, Faculty of Medicine and Surgery, University of Malta, Msida, Malta; Neuroscience Division, School of Biosciences, Cardiff University, Cardiff, United Kingdom.
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16
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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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17
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Serotonergic control of the glutamatergic neurons of the subthalamic nucleus. PROGRESS IN BRAIN RESEARCH 2021; 261:423-462. [PMID: 33785138 DOI: 10.1016/bs.pbr.2020.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The subthalamic nucleus (STN) houses a dense cluster of glutamatergic neurons that play a central role in the functional dynamics of the basal ganglia, a group of subcortical structures involved in the control of motor behaviors. Numerous anatomical, electrophysiological, neurochemical and behavioral studies have reported that serotonergic neurons from the midbrain raphe nuclei modulate the activity of STN neurons. Here, we describe this serotonergic innervation and the nature of the regulation exerted by serotonin (5-hydroxytryptamine, 5-HT) on STN neuron activity. This regulation can occur either directly within the STN or at distal sites, including other structures of the basal ganglia or cortex. The effect of 5-HT on STN neuronal activity involves several 5-HT receptor subtypes, including 5-HT1A, 5-HT1B, 5-HT2C and 5-HT4 receptors, which have garnered the highest attention on this topic. The multiple regulatory effects exerted by 5-HT are thought to be modified under pathological conditions, altering the activity of the STN, or due to the benefits and side effects of treatments used for Parkinson's disease, notably the dopamine precursor l-DOPA and high-frequency STN stimulation. Originally understood as a motor center, the STN is also associated with decision making and participates in mood regulation and cognitive performance, two domains of personality that are also regulated by 5-HT. The literature concerning the link between 5-HT and STN is already important, and the functional overlap is evident, but this link is still not entirely understood. The understanding of this link between 5-HT and STN should be increased due to the possible importance of this regulation in the control of fronto-STN loops and inherent motor and non-motor behaviors.
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18
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The Multimodal Serotonergic Agent Vilazodone Inhibits L-DOPA-Induced Gene Regulation in Striatal Projection Neurons and Associated Dyskinesia in an Animal Model of Parkinson's Disease. Cells 2020; 9:cells9102265. [PMID: 33050305 PMCID: PMC7600385 DOI: 10.3390/cells9102265] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/21/2022] Open
Abstract
Levodopa (L-DOPA) treatment in Parkinson's disease is limited by the emergence of L-DOPA-induced dyskinesia. Such dyskinesia is associated with aberrant gene regulation in neurons of the striatum, which is caused by abnormal dopamine release from serotonin terminals. Previous work showed that modulating the striatal serotonin innervation with selective serotonin reuptake inhibitors (SSRIs) or 5-HT1A receptor agonists could attenuate L-DOPA-induced dyskinesia. We investigated the effects of a novel serotonergic agent, vilazodone, which combines SSRI and 5-HT1A partial agonist properties, on L-DOPA-induced behavior and gene regulation in the striatum in an animal model of Parkinson's disease. After unilateral dopamine depletion by 6-hydroxydopamine (6-OHDA), rats received repeated L-DOPA treatment (5 mg/kg) alone or in combination with vilazodone (10 mg/kg) for 3 weeks. Gene regulation was then mapped throughout the striatum using in situ hybridization histochemistry. Vilazodone suppressed the development of L-DOPA-induced dyskinesia and turning behavior but did not interfere with the prokinetic effects of L-DOPA (forelimb stepping). L-DOPA treatment drastically increased the expression of dynorphin (direct pathway), 5-HT1B, and zif268 mRNA in the striatum ipsilateral to the lesion. These effects were inhibited by vilazodone. In contrast, vilazodone had no effect on enkephalin expression (indirect pathway) or on gene expression in the intact striatum. Thus, vilazodone inhibited L-DOPA-induced gene regulation selectively in the direct pathway of the dopamine-depleted striatum, molecular changes that are considered critical for L-DOPA-induced dyskinesia. These findings position vilazodone, an approved antidepressant, as a potential adjunct medication for the treatment of L-DOPA-induced motor side effects.
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19
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Globus pallidus, but not entopeduncular nucleus, 6-OHDA-induced lesion attenuates L-Dopa-induced dyskinesia in the rat model of Parkinson's disease. Pharmacol Biochem Behav 2020; 197:173013. [DOI: 10.1016/j.pbb.2020.173013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/31/2020] [Accepted: 08/01/2020] [Indexed: 12/27/2022]
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20
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Olanow CW, Calabresi P, Obeso JA. Continuous Dopaminergic Stimulation as a Treatment for Parkinson's Disease: Current Status and Future Opportunities. Mov Disord 2020; 35:1731-1744. [DOI: 10.1002/mds.28215] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/05/2020] [Accepted: 06/15/2020] [Indexed: 12/21/2022] Open
Affiliation(s)
- C. Warren Olanow
- Department of Neurology and Department of Neuroscience Mount Sinai School of Medicine New York New York USA
- Clintrex Research Corporation Sarasota Florida USA
| | - Paolo Calabresi
- Neurology Fondazione Policlinico Universitario Agostino Gemelli IRCCS Rome Italy
- Dipartimento Neuroscienze Università Cattolica del Sacro Cuore Rome Italy
| | - Jose A. Obeso
- CINAC, Hospital Universitario HM Puerta del Sur, Universidad CEU‐San Pablo Móstoles Madrid Spain
- CIBERNED, Instituto de Salud Carlos III Madrid Spain
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21
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Marin C, Bonastre M, Fuentes M, Mullol J. Lack of correlation between dyskinesia and pallidal serotonin transporter expression-induced by L-Dopa and Pramipexole in hemiparkinsonian rats. Pharmacol Biochem Behav 2020; 197:173012. [PMID: 32750392 DOI: 10.1016/j.pbb.2020.173012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 11/30/2022]
Abstract
The role of pallidal serotonergic terminals in the development of L-Dopa-induced dyskinesias (LIDs) in Parkinson's disease (PD) has been recently highlighted correlating pallidal serotonin transporter (SERT) expression levels with dyskinesias severity. However, the role of external globus pallidus (GPe, GP in rodents) serotonergic function in LIDs is still controversial since several studies have shown no differences in GPe serotonin (SER) and SERT levels between dyskinetic and non-dyskinetic PD patients. In addition, the increase in pallidal SERT/dopamine transporter (DAT) binding ratio obtained in positron emission tomography studies has been shown similar in both subtypes of PD patients. Based on these controversial results, further studies are required to clarify the possible involvement of GPe serotonergic activity in LIDs expression. We investigated the pallidal SER and SERT expression changes and the abnormal involuntary movements (AIMs) induced by L-Dopa or the D3/D2 dopamine (DA) agonist, Pramipexole, in partial unilateral 6-hydroxydopamine (6-OHDA)-lesioned rats. L-Dopa treatment led to an increment of axial (p < 0.01), limb (p < 0.01), and orolingual (p < 0.01) AIMs. However, Pramipexole treatment did not induce AIMs. The number of GP SERT-positive axon varicosities was increased in L-Dopa (p < 0.05) and Pramipexole (p < 0.01) treated rats. No differences were observed in the number of GP SERT-positive varicosities between L-Dopa and Pramipexole treatments. Our results indicate a lack of correlation between GP SERT expression levels and the development of AIMs suggesting that pallidal serotonergic fibers are not responsible for LIDs. The possible involvement of the SER system in dyskinesia may include other mechanisms.
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Affiliation(s)
- Concepció Marin
- INGENIO, IRCE, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain.
| | - Mercè Bonastre
- INGENIO, IRCE, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Mireya Fuentes
- INGENIO, IRCE, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain
| | - Joaquim Mullol
- INGENIO, IRCE, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain.
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22
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Muñoz A, Lopez-Lopez A, Labandeira CM, Labandeira-Garcia JL. Interactions Between the Serotonergic and Other Neurotransmitter Systems in the Basal Ganglia: Role in Parkinson's Disease and Adverse Effects of L-DOPA. Front Neuroanat 2020; 14:26. [PMID: 32581728 PMCID: PMC7289026 DOI: 10.3389/fnana.2020.00026] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Abstract
Parkinson's disease (PD) is characterized by the progressive loss of dopaminergic neurons in the substantia nigra. However, other non-dopaminergic neuronal systems such as the serotonergic system are also involved. Serotonergic dysfunction is associated with non-motor symptoms and complications, including anxiety, depression, dementia, and sleep disturbances. This pathology reduces patient quality of life. Interaction between the serotonergic and other neurotransmitters systems such as dopamine, noradrenaline, glutamate, and GABA controls the activity of striatal neurons and are particularly interesting for understanding the pathophysiology of PD. Moreover, serotonergic dysfunction also causes motor symptoms. Interestingly, serotonergic neurons play an important role in the effects of L-DOPA in advanced PD stages. Serotonergic terminals can convert L-DOPA to dopamine, which mediates dopamine release as a "false" transmitter. The lack of any autoregulatory feedback control in serotonergic neurons to regulate L-DOPA-derived dopamine release contributes to the appearance of L-DOPA-induced dyskinesia (LID). This mechanism may also be involved in the development of graft-induced dyskinesias (GID), possibly due to the inclusion of serotonin neurons in the grafted tissue. Consistent with this, the administration of serotonergic agonists suppressed LID. In this review article, we summarize the interactions between the serotonergic and other systems. We also discuss the role of the serotonergic system in LID and if therapeutic approaches specifically targeting this system may constitute an effective strategy in PD.
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Affiliation(s)
- Ana Muñoz
- Laboratory of Cellular and Molecular Neurobiology of Parkinson's Disease, Research Center for Molecular Medicine and Chronic Diseases (CIMUS), Deptartment of Morphological Sciences, Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, Spain.,Networking Research Center on Neurodegenerative Diseases (CiberNed), Madrid, Spain
| | - Andrea Lopez-Lopez
- Laboratory of Cellular and Molecular Neurobiology of Parkinson's Disease, Research Center for Molecular Medicine and Chronic Diseases (CIMUS), Deptartment of Morphological Sciences, Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, Spain.,Networking Research Center on Neurodegenerative Diseases (CiberNed), Madrid, Spain
| | - Carmen M Labandeira
- Department of Clinical Neurology, Hospital Alvaro Cunqueiro, University Hospital Complex, Vigo, Spain
| | - Jose L Labandeira-Garcia
- Laboratory of Cellular and Molecular Neurobiology of Parkinson's Disease, Research Center for Molecular Medicine and Chronic Diseases (CIMUS), Deptartment of Morphological Sciences, Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, Spain.,Networking Research Center on Neurodegenerative Diseases (CiberNed), Madrid, Spain
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The role of glutamate receptors and their interactions with dopamine and other neurotransmitters in the development of tardive dyskinesia: preclinical and clinical results. Behav Pharmacol 2020; 31:511-523. [PMID: 32459694 DOI: 10.1097/fbp.0000000000000563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Tardive dyskinesia is a serious, disabling, movement disorder associated with the ongoing use of antipsychotic medication. Current evidence regarding the pathophysiology of tardive dyskinesia is mainly based on preclinical animal models and is still not completely understood. The leading preclinical hypothesis of tardive dyskinesia development includes dopaminergic imbalance in the direct and indirect pathways of the basal ganglia, cholinergic deficiency, serotonin receptor disturbances, neurotoxicity, oxidative stress, and changes in synaptic plasticity. Although, the role of the glutamatergic system has been confirmed in preclinical tardive dyskinesia models it seems to have been neglected in recent reviews. This review focuses on the role and interactions of glutamate receptors with dopamine, acetylcholine, and serotonin in the neuropathology of tardive dyskinesia development. Moreover, preclinical and clinical results of the differentiated effectiveness of N-methyl-D-aspartate (NMDA) receptor antagonists are discussed with a special focus on antagonists that bind with the GluN2B subunit of NMDA receptors. This review also presents new combinations of drugs that are worth considering in the treatment of tardive dyskinesia.
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Meloni M, Puligheddu M, Sanna F, Cannas A, Farris R, Tronci E, Figorilli M, Defazio G, Carta M. Efficacy and safety of 5-Hydroxytryptophan on levodopa-induced motor complications in Parkinson's disease: A preliminary finding. J Neurol Sci 2020; 415:116869. [PMID: 32464351 DOI: 10.1016/j.jns.2020.116869] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 04/02/2020] [Accepted: 04/24/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND AND PURPOSE Several studies have indicated that altered serotonergic neurotransmission may contribute to the motor features commonly associated with Parkinson's disease (PD) drug treatment such as levodopa-induced dyskinesias (LIDs). 5-Hydroxytryptophan (5-HTP) is the immediate precursor of serotonin. We have recently demonstrated that 5-HTP produces significant antidyskinetic effects in a rat model of PD. To date, there has been inconsistent research on the use of 5-HTP in PD. The purpose of this study was to compare the effects of 5-HTP versus placebo on levodopa-induced motor complications in PD patients. MATERIAL AND METHODS A single-center, randomized, double-blind placebo-controlled cross-over study was performed. A total of 12 PD patients were diagnosed with LIDs and motor fluctuactions and subsequently were randomized to intervention; 11 subjects completed the entire 16-week protocol. Patients received placebo or 50 mg of 5-HTP daily in a cross-over design over a period of 4 weeks. For the assessment of efficacy on the motor functions and motor complications, the UPDRS (parts III and IV), Unified Dyskinesia Rating Scale (UDysRS), Wearing-Off Questionnaire (WOQ-19) and the self-reported 24-h home dyskinesia diaries were obtained at baseline and weeks 4, 8, 12 and 16 (T-end). RESULTS Repeated measures analysis revealed a significant improvement of LIDs during the 50 mg 5-HTP treatment as assessed by the UDysRS and UPDRS-IV scores. CONCLUSIONS This study provides preliminary evidence of clinical benefit of 5-HTP against LIDs in PD. Larger studies with a longer treatment duration and a wider range of doses are warranted to corroborate these findings.
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Affiliation(s)
- Mario Meloni
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
| | - Monica Puligheddu
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy; Department of Medical Sciences and Public Health, Neurology Unit, University of Cagliari and AOU Cagliari, Monserrato, Cagliari, Italy
| | - Fabrizio Sanna
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Antonino Cannas
- Department of Medical Sciences and Public Health, Neurology Unit, University of Cagliari and AOU Cagliari, Monserrato, Cagliari, Italy
| | - Rita Farris
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Elisabetta Tronci
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Michela Figorilli
- Sleep Disorders Center, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Giovanni Defazio
- Department of Medical Sciences and Public Health, Neurology Unit, University of Cagliari and AOU Cagliari, Monserrato, Cagliari, Italy
| | - Manolo Carta
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
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Andreeva-Gateva P, Traikov L, Sabit Z, Bakalov D, Tafradjiiska-Hadjiolova R. Antioxidant Effect of Alpha-Lipoic Acid in 6-Hydroxydopamine Unilateral Intrastriatal Injected Rats. Antioxidants (Basel) 2020; 9:E122. [PMID: 32024109 PMCID: PMC7070677 DOI: 10.3390/antiox9020122] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 01/29/2020] [Accepted: 01/30/2020] [Indexed: 12/13/2022] Open
Abstract
The toxin 6-hydroxydopamine (6-OHDA) is a highly oxidizable dopamine (DA) analog that is widely used for reproducing several cell processes identified in Parkinson's disease (PD). Due to the close similarity of its neurotoxic mechanism to those of DA, it is suitable as a model for testing the effects of potentially neuroprotective drugs. This study aimed to evaluate the effect of alpha-lipoic acid (LA) on brain oxidative stress (OS) in unilateral intrastriatal (6-OHDA) injected rats. Forty male Wistar rats, four months old (220-260 g), were evaluated. Half of them received LA (35 mg/kg i.p.) from the start to the end of the experiment. On day 2 of the trial, ten LA-supplemented rats and ten non-LA-supplemented rats were subjected to the apomorphine test. Brain homogenates were evaluated for thiobarbituric acid-reactive substances (TBARS) and glutathione peroxidase (GPx) activity. The same evaluation procedures were repeated on day 14 with the remaining animals. An increased TBARS level and decreased GPx activity, suggestive for OS, were recorded in homogenates on day 14 vs. day 2 of the experiment in the 6-OHDA treated rats. The simultaneous application of LA mitigated these changes. Our study demonstrates that the low dose of LA could be of value for decreasing the OS of the neurotoxic 6-OHDA, supporting the need for further studies of the benefit of LA treatment in PD.
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Affiliation(s)
- Pavlina Andreeva-Gateva
- Department of Pharmacology and Toxicology, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Lubomir Traikov
- Department of Medical Physics and Biophysics, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Zafer Sabit
- Department of Pathophysiology, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Dimitar Bakalov
- Department of Pathophysiology, Faculty of Medicine, Medical University-Sofia, 1431 Sofia, Bulgaria
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Sanna A, Follesa P, Puligheddu M, Cannas A, Serra M, Pisu MG, Dagostino S, Solla P, Tacconi P, Marrosu F. Cerebellar continuous theta burst stimulation reduces levodopa-induced dyskinesias and decreases serum BDNF levels. Neurosci Lett 2020; 716:134653. [DOI: 10.1016/j.neulet.2019.134653] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 11/15/2019] [Accepted: 11/23/2019] [Indexed: 02/06/2023]
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Chagraoui A, Boulain M, Juvin L, Anouar Y, Barrière G, De Deurwaerdère P. L-DOPA in Parkinson's Disease: Looking at the "False" Neurotransmitters and Their Meaning. Int J Mol Sci 2019; 21:ijms21010294. [PMID: 31906250 PMCID: PMC6981630 DOI: 10.3390/ijms21010294] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 12/28/2019] [Accepted: 12/30/2019] [Indexed: 12/13/2022] Open
Abstract
L-3,4-dihydroxyphenylalanine (L-DOPA) has been successfully used in the treatment of Parkinson’s disease (PD) for more than 50 years. It fulfilled the criteria to cross the blood–brain barrier and counteract the biochemical defect of dopamine (DA). It remarkably worked after some adjustments in line with the initial hypothesis, leaving a poor place to the plethora of mechanisms involving other neurotransmitters or mechanisms of action beyond newly synthesized DA itself. Yet, its mechanism of action is far from clear. It involves numerous distinct cell populations and does not mimic the mechanism of action of dopaminergic agonists. L-DOPA-derived DA is mainly released by serotonergic neurons as a false neurotransmitter, and serotonergic neurons are involved in L-DOPA-induced dyskinesia. The brain pattern and magnitude of DA extracellular levels together with this status of false neurotransmitters suggest that the striatal effects of DA via this mechanism would be minimal. Other metabolic products coming from newly formed DA or through the metabolism of L-DOPA itself could be involved. These compounds can be trace amines and derivatives. They could accumulate within the terminals of the remaining monoaminergic neurons. These “false neurotransmitters,” also known for some of them as inducing an “amphetamine-like” mechanism, could reduce the content of biogenic amines in terminals of monoaminergic neurons, thereby impairing the exocytotic process of monoamines including L-DOPA-induced DA extracellular outflow. The aim of this review is to present the mechanism of action of L-DOPA with a specific attention to “false neurotransmission.”
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Affiliation(s)
- Abdeslam Chagraoui
- Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Normandie University, UNIROUEN, INSERM, U1239 CHU de Rouen, 76000 Rouen, France; (A.C.); (Y.A.)
- Department of Medical Biochemistry, Rouen University Hospital, CHU de Rouen, 76000 Rouen, France
| | - Marie Boulain
- Centre National de la Recherche Scientifique (Unité Mixte de Recherche 5287), 33076 Bordeaux CEDEX, France; (M.B.); (L.J.); (G.B.)
| | - Laurent Juvin
- Centre National de la Recherche Scientifique (Unité Mixte de Recherche 5287), 33076 Bordeaux CEDEX, France; (M.B.); (L.J.); (G.B.)
| | - Youssef Anouar
- Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine of Normandy (IRIB), Normandie University, UNIROUEN, INSERM, U1239 CHU de Rouen, 76000 Rouen, France; (A.C.); (Y.A.)
| | - Grégory Barrière
- Centre National de la Recherche Scientifique (Unité Mixte de Recherche 5287), 33076 Bordeaux CEDEX, France; (M.B.); (L.J.); (G.B.)
| | - Philippe De Deurwaerdère
- Centre National de la Recherche Scientifique (Unité Mixte de Recherche 5287), 33076 Bordeaux CEDEX, France; (M.B.); (L.J.); (G.B.)
- Correspondence: ; Tel.: +33-0-557-57-12-90
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Barroso SDS, Lopes LES, Santos KS, Gomes MZ. Technological prospection: patents mapping involving compounds for the treatment of L-DOPA-induced dyskinesias. Expert Opin Ther Pat 2019; 29:979-985. [DOI: 10.1080/13543776.2019.1690453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sheilla Da Silva Barroso
- Northeast Biotechnology Network Post-Graduating, Tiradentes University, Aracaju, Brazil
- Laboratory of Morphology and Experimental Pathology, Research and Technology Institute, Aracaju, Brazil
| | - Lorenna Emília Sena Lopes
- Laboratory of Morphology and Experimental Pathology, Research and Technology Institute, Aracaju, Brazil
- Health and Environment Post-Graduating Program, Tiradentes University, Aracaju, Brazil
| | - Klebson Silva Santos
- Laboratory of Morphology and Experimental Pathology, Research and Technology Institute, Aracaju, Brazil
| | - Margarete Zanardo Gomes
- Northeast Biotechnology Network Post-Graduating, Tiradentes University, Aracaju, Brazil
- Laboratory of Morphology and Experimental Pathology, Research and Technology Institute, Aracaju, Brazil
- Health and Environment Post-Graduating Program, Tiradentes University, Aracaju, Brazil
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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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Lane EL. L-DOPA for Parkinson's disease-a bittersweet pill. Eur J Neurosci 2018; 49:384-398. [PMID: 30118169 DOI: 10.1111/ejn.14119] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 07/23/2018] [Accepted: 07/30/2018] [Indexed: 01/02/2023]
Abstract
3,4-dihydroxy-L-phenylalanine (L-DOPA) is the gold standard treatment for Parkinson's disease. It has earned that title through its highly effective treatment of some of the motor symptoms in the early stages of the disease but it is a far from perfect drug. The inevitable long-term treatment that comes with this chronic neurodegenerative condition raises the risk significantly of the development of motor fluctuations including disabling L-DOPA-induced dyskinesia. Being unsurpassed as a therapy means that understanding the mechanisms of dyskinesia priming and induction is vital to the search for therapies to treat these side effects and allow optimal use of L-DOPA. However, L-DOPA use may also have consequences (positive or negative) for the development of other interventions, such as cell transplantation, which are designed to treat or repair the ailing brain. This review looks at the issues around the use of L-DOPA with a focus on its potential impact on advanced reparative interventions.
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Affiliation(s)
- Emma L Lane
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK
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