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Budrow C, Elder K, Coyle M, Centner A, Lipari N, Cohen S, Glinski J, Kinzonzi N, Wheelis E, McManus G, Manfredsson F, Bishop C. Broad Serotonergic Actions of Vortioxetine as a Promising Avenue for the Treatment of L-DOPA-Induced Dyskinesia. Cells 2023; 12:837. [PMID: 36980178 PMCID: PMC10047495 DOI: 10.3390/cells12060837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/03/2023] [Accepted: 03/05/2023] [Indexed: 03/30/2023] Open
Abstract
Parkinson's Disease (PD) is a neurodegenerative disorder characterized by motor symptoms that result from loss of nigrostriatal dopamine (DA) cells. While L-DOPA provides symptom alleviation, its chronic use often results in the development of L-DOPA-induced dyskinesia (LID). Evidence suggests that neuroplasticity within the serotonin (5-HT) system contributes to LID onset, persistence, and severity. This has been supported by research showing 5-HT compounds targeting 5-HT1A/1B receptors and/or the 5-HT transporter (SERT) can reduce LID. Recently, vortioxetine, a multimodal 5-HT compound developed for depression, demonstrated acute anti-dyskinetic effects. However, the durability and underlying pharmacology of vortioxetine's anti-dyskinetic actions have yet to be delineated. To address these gaps, we used hemiparkinsonian rats in Experiment 1, examining the effects of sub-chronic vortioxetine on established LID and motor performance. In Experiment 2, we applied the 5-HT1A antagonist WAY-100635 or 5-HT1B antagonist SB-224289 in conjunction with L-DOPA and vortioxetine to determine the contributions of each receptor to vortioxetine's effects. The results revealed that vortioxetine consistently and dose-dependently attenuated LID while independently, 5-HT1A and 5-HT1B receptors each partially reversed vortioxetine's effects. Such findings further support the promise of pharmacological strategies, such as vortioxetine, and indicate that broad 5-HT actions may provide durable responses without significant side effects.
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Affiliation(s)
- Carla Budrow
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Kayla Elder
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Michael Coyle
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Ashley Centner
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Natalie Lipari
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Sophie Cohen
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - John Glinski
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - N’Senga Kinzonzi
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Emily Wheelis
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Grace McManus
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
| | - Fredric Manfredsson
- Department of Neurobiology, Barrow Neurological Institute, Phoenix, AZ 85013, USA
| | - Christopher Bishop
- Behavioral Neuroscience Program, Department of Psychology, Binghamton University, Binghamton, NY 13902, USA; (C.B.)
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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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] [What about the content of this article? (0)] [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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