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Hawash M, Qneibi M, Natsheh H, Mohammed NH, Hamda LA, Kumar A, Olech B, Dominiak PM, Bdir S, Bdair M. Evaluating the Neuroprotective Potential of Novel Benzodioxole Derivatives in Parkinson's Disease via AMPA Receptor Modulation. ACS Chem Neurosci 2024; 15:2334-2349. [PMID: 38747411 DOI: 10.1021/acschemneuro.4c00163] [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] [Indexed: 06/06/2024] Open
Abstract
Parkinson's disease (PD) is a significant health issue because it gradually damages the nervous system. α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors play a significant role in the development of PD. The current investigation employed hybrid benzodioxole-propanamide (BDZ-P) compounds to get information on AMPA receptors, analyze their biochemical and biophysical properties, and assess their neuroprotective effects. Examining the biophysical characteristics of all the subunits of the AMPA receptor offers insights into the impact of BDZ-P on the desensitization and deactivation rate. It demonstrates a partial improvement in the locomotor capacities in a mouse model of Parkinson's disease. In addition, the in vivo experiment assessed the locomotor activity by utilizing the open-field test. Our findings demonstrated that BDZ-P7 stands out with its remarkable potency, inhibiting the GluA2 subunit nearly 8-fold with an IC50 of 3.03 μM, GluA1/2 by 7.5-fold with an IC50 of 3.14 μM, GluA2/3 by nearly 7-fold with an IC50 of 3.19 μM, and GluA1 by 6.5-fold with an IC50 of 3.2 μM, significantly impacting the desensitization and deactivation rate of the AMPA receptor. BDZ-P7 showed an in vivo impact of partially reinstating locomotor abilities in a mouse model of PD. The results above suggest that the BDZ-P7 compounds show great promise as top contenders for the development of novel neuroprotective therapies.
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Affiliation(s)
- Mohammed Hawash
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
| | - Mohammad Qneibi
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
| | - Hiba Natsheh
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
| | - Noor Haj Mohammed
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
| | - Lubaba Abu Hamda
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
| | - Anil Kumar
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Barbara Olech
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warsaw, Poland
- Centre of New Technologies, University of Warsaw, ul. S. Banacha 2c, 02-097 Warsaw, Poland
| | - Paulina Maria Dominiak
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Sosana Bdir
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
| | - Mohammad Bdair
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, P403, Nablus 00970, Palestine
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Ji YW, Zhang X, Fan JP, Gu WX, Shen ZL, Wu HC, Cui G, Zhou C, Xiao C. Differential remodeling of subthalamic projections to basal ganglia output nuclei and locomotor deficits in 6-OHDA-induced hemiparkinsonian mice. Cell Rep 2023; 42:112178. [PMID: 36857188 DOI: 10.1016/j.celrep.2023.112178] [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: 02/11/2022] [Revised: 11/04/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
The subthalamic nucleus (STN) controls basal ganglia outputs via the substantia nigra pars reticulata (SNr) and the globus pallidus internus (GPi). However, the synaptic properties of these projections and their roles in motor control remain unclear. We show that the STN-SNr and STN-GPi projections differ markedly in magnitude and activity-dependent plasticity despite the existence of collateral STN neurons projecting to both the SNr and GPi. Stimulation of either STN projection reduces locomotion; in contrast, inhibition of either the STN-SNr projection or collateral STN neurons facilitates locomotion. In 6-OHDA-hemiparkinsonian mice, the STN-SNr projection is dramatically attenuated, but the STN-GPi projection is robustly enhanced; apomorphine inhibition of the STN-GPi projection through D2 receptors is significantly augmented and improves locomotion. Optogenetic inhibition of either the STN-SNr or STN-GPi projection improves parkinsonian bradykinesia. These results suggest that the STN-GPi and STN-SNr projections are differentially involved in motor control in physiological and parkinsonian conditions.
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Affiliation(s)
- Ya-Wei Ji
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Xue Zhang
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou 221006, China
| | - Jiang-Peng Fan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; Jiangsu Province Key Laboratory in Brain Diseases, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China
| | - Wei-Xin Gu
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Anesthesiology, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210008, China
| | - Zi-Lin Shen
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Hai-Chuan Wu
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Department of Anesthesiology, Nanjing Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210008, China
| | - Guiyun Cui
- Department of Neurology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou Medical University, Xuzhou 221006, China.
| | - Chunyi Zhou
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China.
| | - Cheng Xiao
- School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China; NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu 221004, China.
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3
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Hussein A, Guevara CA, Valle PD, Gupta S, Benson DL, Huntley GW. Non-Motor Symptoms of Parkinson's Disease: The Neurobiology of Early Psychiatric and Cognitive Dysfunction. Neuroscientist 2023; 29:97-116. [PMID: 33966533 PMCID: PMC9338765 DOI: 10.1177/10738584211011979] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder that has been recognized for over 200 years by its clinically dominant motor system impairment. There are prominent non-motor symptoms as well, and among these, psychiatric symptoms of depression and anxiety and cognitive impairment are common and can appear earlier than motor symptoms. Although the neurobiology underlying these particular PD-associated non-motor symptoms is not completely understood, the identification of PARK genes that contribute to hereditary and sporadic PD has enabled genetic models in animals that, in turn, have fostered ever deepening analyses of cells, synapses, circuits, and behaviors relevant to non-motor psychiatric and cognitive symptoms of human PD. Moreover, while it has long been recognized that inflammation is a prominent component of PD, recent studies demonstrate that brain-immune signaling crosstalk has significant modulatory effects on brain cell and synaptic function in the context of psychiatric symptoms. This review provides a focused update on such progress in understanding the neurobiology of PD-related non-motor psychiatric and cognitive symptoms.
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Affiliation(s)
- Ayan Hussein
- Nash Family Department of Neuroscience and Friedman Brain Institute, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Christopher A. Guevara
- Nash Family Department of Neuroscience and Friedman Brain Institute, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Pamela Del Valle
- Nash Family Department of Neuroscience and Friedman Brain Institute, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Swati Gupta
- Nash Family Department of Neuroscience and Friedman Brain Institute, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Deanna L. Benson
- Nash Family Department of Neuroscience and Friedman Brain Institute, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - George W. Huntley
- Nash Family Department of Neuroscience and Friedman Brain Institute, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Graduate School of Biomedical Sciences, The Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Zhang X, Jing F, Liu Y, Tang J, Hua X, Zhu J, Tuo H, Lin Q, Gao P, Liu W. Effects of non-invasive brain stimulation on walking and balance ability in Parkinson's patients: A systematic review and meta-analysis. Front Aging Neurosci 2023; 14:1065126. [PMID: 36704502 PMCID: PMC9871558 DOI: 10.3389/fnagi.2022.1065126] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 12/21/2022] [Indexed: 01/11/2023] Open
Abstract
Objective To investigate and contrast the effects of non-invasive brain stimulation (NIBS), including repeated transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS), on walking and balance ability in patients with Parkinson's disease (PD). Methods The PubMed, Embase, Medline, Cochrane, CNKI, and Chinese WanFang databases were searched up to June 2022. Quality assessment was performed using the Cochrane Collaboration's risk-of-bias guidelines, and the standardized mean differences (SMD) or mean differences (MD) for each outcome were calculated. Results Among 32 eligible studies, including 1,586 participants were analyzed in this meta-analysis. The results of the meta-analysis showed that NIBS was effective in improving UPDRS-III scores (MD = -2.07; 95% CI, -2.62 to -1.53; P < 0.00001; I 2 = 6%) and variables associated with the ability of walk such as step width (SMD = 0.35; 95% CI, 0.16-0.55; P = 0.0005; I 2 = 38%), cadence (SMD = 0.3; 95% CI, 0.05 to 0.55; P = 0.02; I 2 = 25%), and 6MWT (MD = 62.86; 95% CI, 39.43-86.29; P < 0.00001; I 2 = 0%). In subgroup analyses across intervention types, UPDRS-III scores (rTMS: MD = -2.54; 95% CI, -3.16 to -1.92; P < 0.00001; I 2 = 0%; tDCS: MD = -1.20; 95% CI, -1.99 to -0.40; P = 0.003; I 2 = 0%) and TUGT time (rTMS: MD = -4.11; 95% CI, -4.74 to -3.47; P < 0.00001; I 2 = 0%; tDCS: MD = -0.84; 95% CI, -1.48 to -0.21; P = 0.009; I 2 = 0%) significantly improved. Moreover, our results also showed that compared to tDCS, rTMS was more significant in improving UPDRS-III scores and TUGT time (p < 0.05). Conclusion NIBS benefits some walking ability variables but not balance ability in 36 patients with PD. The rTMS significantly improved UPDRS-III scores and TUGT time compared to tDCS. Further studies are needed to determine the optimal protocol and to illuminate effects based on the ideal target brain regions, stimulation intensity, timing, and type of intervention. Systematic review registration http://www.crd.york.ac.uk/PROSPERO/, identifier CRD42022350782.
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5
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Chen XY, Liu C, Xue Y, Chen L. Changed firing activity of nigra dopaminergic neurons in Parkinson's disease. Neurochem Int 2023; 162:105465. [PMID: 36563966 DOI: 10.1016/j.neuint.2022.105465] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/11/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
Parkinson's disease is the second most common neurodegenerative disease which is characterized by selective degeneration of dopaminergic neurons in the substantia nigra pars compacta. The intrinsic neuronal firing activity is critical for the functional organization of brain and the specific deficits of neuronal firing activity may be associated with different brain disorders. It is known that the surviving nigra dopaminergic neurons exhibit altered firing activity, such as decreased spontaneous firing frequency, reduced number of firing neurons and increased burst firing in Parkinson's disease. Several ionic mechanisms are involved in changed firing activity of dopaminergic neurons under parkinsonian state. In this review, we summarize the changes of spontaneous firing activity as well as the possible mechanisms of nigra dopaminergic neurons in Parkinson's disease. This review may let us clearly understand the involvement of neuronal firing activity of nigra dopaminergic neurons in Parkinson's disease.
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Affiliation(s)
- Xin-Yi Chen
- Department of International Medicine, Affiliated Hospital of Qingdao University, Qingdao, China.
| | - Cui Liu
- Department of Physiology and Pathophysiology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Yan Xue
- Department of Physiology and Pathophysiology, School of Basic Medicine, Qingdao University, Qingdao, China
| | - Lei Chen
- Department of Physiology and Pathophysiology, School of Basic Medicine, Qingdao University, Qingdao, China.
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Jia T, Wang YD, Chen J, Zhang X, Cao JL, Xiao C, Zhou C. A nigro-subthalamo-parabrachial pathway modulates pain-like behaviors. Nat Commun 2022; 13:7756. [PMID: 36522327 PMCID: PMC9755217 DOI: 10.1038/s41467-022-35474-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
The basal ganglia including the subthalamic nucleus (STN) and substantia nigra pars reticulata (SNr) are involved in pain-related responses, but how they regulate pain processing remains unknown. Here, we identify a pathway, consisting of GABAergic neurons in the SNr (SNrGABA) and glutamatergic neurons in the STN (STNGlu) and the lateral parabrachial nucleus (LPBGlu), that modulates acute and persistent pain states in both male and female mice. The activity of STN neurons was enhanced in acute and persistent pain states. This enhancement was accompanied by hypoactivity in SNrGABA neurons and strengthening of the STN-LPB glutamatergic projection. Reversing the dysfunction in the SNrGABA-STNGlu-LPBGlu pathway attenuated activity of LPBGlu neurons and mitigated pain-like behaviors. Therefore, the SNrGABA-STNGlu-LPBGlu pathway regulates pathological pain and is a potential target for pain management.
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Affiliation(s)
- Tao Jia
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
| | - Ying-Di Wang
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
| | - Jing Chen
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
| | - Xue Zhang
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
| | - Jun-Li Cao
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China ,grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China ,grid.417303.20000 0000 9927 0537NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
| | - Cheng Xiao
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China ,grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China ,grid.417303.20000 0000 9927 0537NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
| | - Chunyi Zhou
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China ,grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China ,grid.417303.20000 0000 9927 0537NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, 221004 Xuzhou, Jiangsu China
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7
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Xiao C, Ji YW, Luan YW, Jia T, Yin C, Zhou CY. Differential modulation of subthalamic projection neurons by short-term and long-term electrical stimulation in physiological and parkinsonian conditions. Acta Pharmacol Sin 2022; 43:1928-1939. [PMID: 34880404 PMCID: PMC9343451 DOI: 10.1038/s41401-021-00811-4] [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: 09/01/2021] [Accepted: 10/31/2021] [Indexed: 11/09/2022] Open
Abstract
The subthalamic nucleus (STN) is one of the best targets for therapeutic deep brain stimulation (DBS) to control motor symptoms in Parkinson's disease. However, the precise circuitry underlying the effects of STN-DBS remains unclear. To understand how electrical stimulation affects STN projection neurons, we used a retrograde viral vector (AAV-retro-hSyn-eGFP) to label STN neurons projecting to the substantia nigra pars reticulata (SNr) (STN-SNr neurons) or the globus pallidus interna (GPi) (STN-GPi neurons) in mice, and performed whole-cell patch-clamp recordings from these projection neurons in ex vivo brain slices. We found that STN-SNr neurons exhibited stronger responses to depolarizing stimulation than STN-GPi neurons. In most STN-SNr and STN-GPi neurons, inhibitory synaptic inputs predominated over excitatory inputs and electrical stimulation at 20-130 Hz inhibited these neurons in the short term; its longer-term effects varied. 6-OHDA lesion of the nigrostriatal dopaminergic pathway significantly reduced inhibitory synaptic inputs in STN-GPi neurons, but did not change synaptic inputs in STN-SNr neurons; it enhanced short-term electrical-stimulation-induced inhibition in STN-SNr neurons but reversed the effect of short-term electrical stimulation on the firing rate in STN-GPi neurons from inhibitory to excitatory; in both STN-SNr and STN-GPi neurons, it increased the inhibition but attenuated the enhancement of firing rate induced by long-term electrical stimulation. Our results suggest that STN-SNr and STN-GPi neurons differ in their synaptic inputs, their responses to electrical stimulation, and their modification under parkinsonian conditions; STN-GPi neurons may play important roles in both the pathophysiology and therapeutic treatment of Parkinson's disease.
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Affiliation(s)
- Cheng Xiao
- Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004, China. .,Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, Xuzhou, 221004, China. .,NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004, China.
| | - Ya-wei Ji
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China
| | - Yi-wen Luan
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China ,grid.460176.20000 0004 1775 8598Department of Anesthesiology, Wuxi People’s Hospital, Wuxi, 214023 China
| | - Tao Jia
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China
| | - Cui Yin
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China ,grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, Xuzhou, 221004 China ,grid.417303.20000 0000 9927 0537NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China
| | - Chun-yi Zhou
- grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China ,grid.417303.20000 0000 9927 0537Jiangsu Province Key Laboratory of Anesthesia and Analgesia Application Technology, Xuzhou Medical University, Xuzhou, 221004 China ,grid.417303.20000 0000 9927 0537NMPA Key Laboratory for Research and Evaluation of Narcotic and Psychotropic Drugs, School of Anesthesiology, Xuzhou Medical University, Xuzhou, 221004 China
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da Silva Fiorin F, de Araújo E Silva M, Rodrigues AC. Electrical stimulation in animal models of epilepsy: A review on cellular and electrophysiological aspects. Life Sci 2021; 285:119972. [PMID: 34560081 DOI: 10.1016/j.lfs.2021.119972] [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: 07/22/2021] [Revised: 09/02/2021] [Accepted: 09/17/2021] [Indexed: 01/24/2023]
Abstract
Epilepsy is a debilitating condition, primarily refractory individuals, leading to the search for new efficient therapies. Electrical stimulation is an important method used for years to treat several neurological disorders. Currently, electrical stimulation is used to reduce epileptic crisis in patients and shows promising results. Even though the use of electricity to treat neurological disorders has grown worldwide, there are still many caveats that must be clarified, such as action mechanisms and more efficient stimulation treatment parameters. Thus, this review aimed to explore the comprehension of the main stimulation methods in animal models of epilepsy using rodents to develop new experimental protocols and therapeutic approaches.
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Affiliation(s)
- Fernando da Silva Fiorin
- Graduate Program in Neuroengineering, Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Brazil.
| | - Mariane de Araújo E Silva
- Graduate Program in Neuroengineering, Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Brazil
| | - Abner Cardoso Rodrigues
- Graduate Program in Neuroengineering, Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Brazil
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9
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Shadrina M, Slominsky P. Modeling Parkinson's Disease: Not Only Rodents? Front Aging Neurosci 2021; 13:695718. [PMID: 34421573 PMCID: PMC8377290 DOI: 10.3389/fnagi.2021.695718] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/29/2021] [Indexed: 01/12/2023] Open
Abstract
Parkinson’s disease (PD) is a common chronic progressive multifactorial neurodegenerative disease. In most cases, PD develops as a sporadic idiopathic disease. However, in 10%–15% of all patients, Mendelian inheritance of the disease is observed in an autosomal dominant or autosomal recessive manner. To date, mutations in seven genes have been convincingly confirmed as causative in typical familial forms of PD, i.e., SNCA, LRRK2, VPS35, PRKN, PINK1, GBA, and DJ-1. Family and genome-wide association studies have also identified a number of candidate disease genes and a common genetic variability at 90 loci has been linked to risk for PD. The analysis of the biological function of both proven and candidate genes made it possible to conclude that mitochondrial dysfunction, lysosomal dysfunction, impaired exosomal transport, and immunological processes can play important roles in the development of the pathological process of PD. The mechanisms of initiation of the pathological process and its earliest stages remain unclear. The study of the early stages of the disease (before the first motor symptoms appear) is extremely complicated by the long preclinical period. In addition, at present, the possibility of performing complex biochemical and molecular biological studies familial forms of PD is limited. However, in this case, the analysis of the state of the central nervous system can only be assessed by indirect signs, such as the level of metabolites in the cerebrospinal fluid, peripheral blood, and other biological fluids. One of the potential solutions to this problem is the analysis of disease models, in which it is possible to conduct a detailed in-depth study of all aspects of the pathological process, starting from its earliest stages. Many modeling options are available currently. An analysis of studies published in the 2000s suggests that toxic models in rodents are used in the vast majority of cases. However, interesting and important data for understanding the pathogenesis of PD can be obtained from other in vivo models. Within the framework of this review, we will consider various models of PD that were created using various living organisms, from unicellular yeast (Saccharomyces cerevisiae) and invertebrate (Nematode and Drosophila) forms to various mammalian species.
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Affiliation(s)
- Maria Shadrina
- Laboratory of Molecular Genetics of Hereditary Diseases, Institute of Molecular Genetics of National Research Centre "Kurchatov Institute", Moscow, Russia
| | - Petr Slominsky
- Laboratory of Molecular Genetics of Hereditary Diseases, Institute of Molecular Genetics of National Research Centre "Kurchatov Institute", Moscow, Russia
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10
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Grembecka B, Glac W, Listowska M, Jerzemowska G, Plucińska K, Majkutewicz I, Badtke P, Wrona D. Subthalamic Deep Brain Stimulation Affects Plasma Corticosterone Concentration and Peripheral Immunity Changes in Rat Model of Parkinson's Disease. J Neuroimmune Pharmacol 2021; 16:454-469. [PMID: 32648088 PMCID: PMC8087570 DOI: 10.1007/s11481-020-09934-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 06/17/2020] [Indexed: 12/11/2022]
Abstract
Deep brain stimulation of the subthalamic nucleus (DBS-STN) is an effective treatment for advanced motor symptoms of Parkinson's disease (PD). Recently, a connection between the limbic part of the STN and side effects of DBS-STN has been increasingly recognized. Animal studies have shown that DBS-STN influences behavior and provokes neurochemical changes in regions of the limbic system. Some of these regions, which are activated during DBS-STN, are involved in neuroimmunomodulation. The therapeutic effects of DBS-STN in PD treatment are clear, but the influence of DBS-STN on peripheral immunity has not been reported so far. In this study, we examined the effects of unilateral DBS-STN applied in male Wistar rats with 6-hydroxydopamine PD model (DBS-6OHDA) and rats without nigral dopamine depletion (DBS) on corticosterone (CORT) plasma concentration, blood natural killer cell cytotoxicity (NKCC), leukocyte numbers, lymphocyte population and apoptosis numbers, plasma interferon gamma (IFN-γ), interleukin 6 (IL-6), and tumor necrosis factor (TNF-α) concentration. The same peripheral immune parameters we measured also in non-stimulated rats with PD model (6OHDA). We observed peripheral immunity changes related to PD model. The NKCC and percentage of T cytotoxic lymphocytes were enhanced, while the level of lymphocyte apoptosis was down regulated in 6OHDA and DBS-6OHDA groups. After DBS-STN (DBS-6OHDA and DBS groups), the plasma CORT and TNF-α were elevated, the number of NK cells and percentage of apoptosis were increased, while the number of B lymphocytes was decreased. We also found, changes in plasma IFN-γ and IL-6 levels in all the groups. These results suggest potential peripheral immunomodulative effects of DBS-STN in the rat model of PD. However, further studies are necessary to explain these findings and their clinical implication. Graphical Abstract Influence of deep brain stimulation of the subthalamic nucleus on peripheral immunity in rat model of Parkinson's disease.
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Affiliation(s)
- Beata Grembecka
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland.
| | - Wojciech Glac
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland
| | - Magdalena Listowska
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland
| | - Grażyna Jerzemowska
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland
| | - Karolina Plucińska
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland
| | - Irena Majkutewicz
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland
| | - Piotr Badtke
- Department of Physiology, Medical University of Gdańsk, 1 Dębinki Str, 80-211, Gdańsk, Poland
| | - Danuta Wrona
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, 59 Wita Stwosza Str, 80-308, Gdańsk, Poland
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Apetz N, Paralikar K, Neumaier B, Drzezga A, Wiedermann D, Iyer R, Munns G, Scott E, Timmermann L, Endepols H. Towards chronic deep brain stimulation in freely moving hemiparkinsonian rats: Applicability and functionality of a fully implantable stimulation system. J Neural Eng 2021; 18. [PMID: 33607640 DOI: 10.1088/1741-2552/abe806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/19/2021] [Indexed: 12/23/2022]
Abstract
Objective This study aimed at investigating a novel fully implantable deep brain stimulation system and its ability to modulate brain metabolism and behavior through subthalamic nucleus stimulation in a hemiparkinsonian rat model. Approach Twelve male rats were unilaterally lesioned with 6-hydroxydopamine in the medial forebrain bundle and received a fully implantable deep brain stimulation system aiming at the ipsilesional subthalamic nucleus. Each rat underwent three cylinder tests to analyze front paw use: A PRE test before any surgical intervention, an OFF test after surgery but before stimulation onset and an ON test under deep brain stimulation. To visualize brain glucose metabolism in the awake animal, two [18F]FDG scans were conducted in the OFF and ON condition. At least four weeks after surgery, an [18F]FDOPA scan was used to check for dopaminergic integrity. Main results In general, STN DBS increased [18F]FDG uptake ipsilesionally and decreased it contralesionally. More specifically, bilateral orbitofrontal cortex, ipsilateral caudate putamen, sensorimotor cortex and nucleus accumbens showed significantly higher tracer uptake in ON compared to OFF condition. Contralateral cingulate and secondary motor cortex, caudate putamen, amygdala, hippocampus, retrosplenial granular cortex, superior colliculus, and parts of the cerebellum exhibited significantly higher [18F]FDG uptake in the OFF condition. On the behavioral level, stimulation was able improve use of the contralesional affected front paw suggesting an effective stimulation produced by the implanted system. Significance The fully implantable stimulation system developed by us and presented here offers the output of arbitrary user-defined waveforms, patterns and stimulation settings and allows tracer accumulation in freely moving animals. It is therefore a suitable device for implementing behavioral PET studies. It contributes immensely to the possibilities to characterize and unveil the effects and mechanisms of deep brain stimulation offering valuable clues for future improvements of this therapy.
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Affiliation(s)
- Nadine Apetz
- Institute of Radiochemistry and Experimental Molegular Imaging, University Hospital Cologne, Kerpener Str. 62, Koln, Nordrhein-Westfalen, 50937, GERMANY
| | - Kunal Paralikar
- Medtronic Inc, 7000 Central Avenue NE Friedley, Minneapolis, Minnesota, 55432-5604, UNITED STATES
| | - Bernd Neumaier
- Nuclear Chemistry (INM-5), Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, Julich, Nordrhein-Westfalen, 52428, GERMANY
| | - Alexander Drzezga
- Department of Nuclear Medicine, University Hospital Cologne, Kerpener Str. 62, Koln, Nordrhein-Westfalen, 50937, GERMANY
| | - Dirk Wiedermann
- Multimodal Imaging Group, Max Planck Institute for Metabolism Research, Gleueler Str. 50, Köln, 50931, GERMANY
| | - Rajesh Iyer
- Medtronic Inc, 7000 Central Avenue NE Fridley, Minneapolis, Minnesota, 55432-5604, UNITED STATES
| | - Gordon Munns
- Medtronic Inc, 7000 Central Avenue NE Friedley, Minneapolis, Minnesota, 55432-5604, UNITED STATES
| | - Erik Scott
- Medtronic Inc, 7000 Central Avenue NE Friedley, Minneapolis, Minnesota, 55432-5604, UNITED STATES
| | - Lars Timmermann
- Department of Neurology, University Hospital Marburg Center of Neurology, Baldingerstraße, Marburg, Hessen, 35039, GERMANY
| | - Heike Endepols
- Institute of Radiochemistry and Experimental Molecular Imaging, University Hospital Cologne, Kerpener Str. 62, Koln, Nordrhein-Westfalen, 50937, GERMANY
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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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Feng G, Jensen FE, Greely HT, Okano H, Treue S, Roberts AC, Fox JG, Caddick S, Poo MM, Newsome WT, Morrison JH. Opportunities and limitations of genetically modified nonhuman primate models for neuroscience research. Proc Natl Acad Sci U S A 2020; 117:24022-24031. [PMID: 32817435 PMCID: PMC7533691 DOI: 10.1073/pnas.2006515117] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The recently developed new genome-editing technologies, such as the CRISPR/Cas system, have opened the door for generating genetically modified nonhuman primate (NHP) models for basic neuroscience and brain disorders research. The complex circuit formation and experience-dependent refinement of the human brain are very difficult to model in vitro, and thus require use of in vivo whole-animal models. For many neurodevelopmental and psychiatric disorders, abnormal circuit formation and refinement might be at the center of their pathophysiology. Importantly, many of the critical circuits and regional cell populations implicated in higher human cognitive function and in many psychiatric disorders are not present in lower mammalian brains, while these analogous areas are replicated in NHP brains. Indeed, neuropsychiatric disorders represent a tremendous health and economic burden globally. The emerging field of genetically modified NHP models has the potential to transform our study of higher brain function and dramatically facilitate the development of effective treatment for human brain disorders. In this paper, we discuss the importance of developing such models, the infrastructure and training needed to maximize the impact of such models, and ethical standards required for using these models.
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Affiliation(s)
- Guoping Feng
- Department of Brain and Cognitive Sciences, McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA 02139;
- Stanley Center for Psychiatric Research, Broad Institute of MIT and Harvard, Cambridge, MA 02142
| | - Frances E Jensen
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104;
| | - Henry T Greely
- Center for Law and the Biosciences, Stanford University, Stanford, CA 94305
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Shinjukuku, 160-8592 Tokyo, Japan
- Laboratory for Marmoset Neural Architecture, RIKEN Center for Brain Science, 351-0106 Saitama, Wakoshi, Japan
| | - Stefan Treue
- Cognitive Neuroscience Laboratory, German Primate Center-Leibniz Institute for Primate Research, 37077 Goettingen, Germany
- Faculty of Biology and Psychology, University of Goettingen, 37073 Goettingen, Germany
| | - Angela C Roberts
- Department of Physiology, Development, and Neuroscience, University of Cambridge, CB2 3DY Cambridge, United Kingdom
| | - James G Fox
- Division of Comparative Medicine, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Sarah Caddick
- The Gatsby Charitable Foundation, SW1V 1AP London, United Kingdom
| | - Mu-Ming Poo
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Chinese Academy of Sciences Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, 200031 Shanghai, China
| | - William T Newsome
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA 94305;
- Department of Neurobiology, Stanford University School of Medicine, Stanford, CA 94305
| | - John H Morrison
- California National Primate Research Center, University of California, Davis, CA 95616;
- Department of Neurology, School of Medicine, University of California, Davis, CA 95616
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Alvarez NT, Buschbeck E, Miller S, Le AD, Gupta VK, Ruhunage C, Vilinsky I, Ma Y. Carbon Nanotube Fibers for Neural Recording and Stimulation. ACS APPLIED BIO MATERIALS 2020; 3:6478-6487. [PMID: 35021779 DOI: 10.1021/acsabm.0c00861] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recordings and stimulations of neuronal electrical activity are topics of great interest in neuroscience. Many recording techniques, and even treatment of neurological disorders, can benefit from a microelectrode that is flexible, chemically inert, and electrically conducting and preferentially transfers electrons via capacitive charge injection. Commercial electrodes that currently exist and other electrodes that are being tested with the purpose of facilitating and improving the electron transport between solid materials and biological tissues still have some limitations. This paper discusses carbon nanotube (CNT)-based microelectrodes to record and stimulate neurons and compares their electron transport capabilities to noble metals such as Au and Ag. The recording ability of electrodes is tested through electroretinography on Sarcophaga bullata fly eyes by using Au and Ag wires and CNT fibers as electrodes. Stimulation is demonstrated through the implantation of Au wire and CNT fibers into the antennas of the Madagascar hissing cockroach (Gromphadorhina portentosa) to control their locomotion. Our results demonstrate that a particular property of the CNT fiber is its high rate of electron transfer, leading to an order of magnitude lower impedance compared to Au and Ag and an impressive 15.09 charge injection capacity. We also established that this carbon nanomaterial assembly performs well for in vivo electrophysiology, rendering it a promising prospect for neurophysiological applications.
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Affiliation(s)
- Noe T Alvarez
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Elke Buschbeck
- Department of Biology, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Sydney Miller
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Anh Duc Le
- Department of Biology, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Vandna K Gupta
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Chethani Ruhunage
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Ilya Vilinsky
- Department of Biology, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Yishan Ma
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
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Fleischer M, Endres H, Sendtner M, Volkmann J. Development of a Fully Implantable Stimulator for Deep Brain Stimulation in Mice. Front Neurosci 2020; 14:726. [PMID: 32792895 PMCID: PMC7385305 DOI: 10.3389/fnins.2020.00726] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 06/18/2020] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION Deep brain stimulation is an established method for the treatment of neurological and psychiatric disorders. To elicit the underlying mechanisms and explore new stimulation targets, rodent models are necessary. Cable bound external stimulation or portable devices limit movement of the animals and influence behavioral experiments. Therefore, implantable, individually programmed devices are required. EXPERIMENTAL PROCEDURE The stimulator consists of an 8bit-microcontroller mounted on a square electrical board (10 × 10 mm). External control is enabled by a magnetic reed contact, as running control serves a white LED, running modes are displayed by flash codes. Stimulation parameters could be programmed in the range of pulse width: 60-500 μs, amplitude: up to 300 μA and frequency: 10-500 Hz. Power is supplied by two standard batteries. The device was implanted in 8-10 weeks old BALBc-mice. Functionality was examined by electrical stimulation of nucleus accumbens area with standard parameters for mice and determination of c-fos levels in vitro in brain slices. RESULTS The implanted microstimulators were well-tolerated by the mice, without impairment of free movement. Coating, external control, and monitoring of function with LED flash code proved to be fully adequate. Stimulation with standard stimulating parameters of nucleus accumbens elicited strong c-fos elevation on simulation site. CONCLUSION We present a fully implantable stimulator for freely moving mice that meets the urgent need for further research on the effects of deep brain stimulation in rodent models. It offers the possibility to conduct behavioral experiments for up to 30 days of stimulation.
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Affiliation(s)
- Michael Fleischer
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
- Department of Neurology, Essen University Hospital, Essen, Germany
| | - Heinz Endres
- University of Applied Science Würzburg-Schweinfurt, Schweinfurt, Germany
| | - Michael Sendtner
- Institute of Clinical Neurobiology, University Hospital Würzburg, Würzburg, Germany
| | - Jens Volkmann
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
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Effects of Subthalamic Nucleus Deep Brain Stimulation on Facial Emotion Recognition in Parkinson's Disease: A Critical Literature Review. Behav Neurol 2020; 2020:4329297. [PMID: 32724481 PMCID: PMC7382738 DOI: 10.1155/2020/4329297] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 06/12/2020] [Indexed: 01/04/2023] Open
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an effective therapy for Parkinson's disease (PD). Nevertheless, DBS has been associated with certain nonmotor, neuropsychiatric effects such as worsening of emotion recognition from facial expressions. In order to investigate facial emotion recognition (FER) after STN DBS, we conducted a literature search of the electronic databases MEDLINE and Web of science. In this review, we analyze studies assessing FER after STN DBS in PD patients and summarize the current knowledge of the effects of STN DBS on FER. The majority of studies, which had clinical and methodological heterogeneity, showed that FER is worsening after STN DBS in PD patients, particularly for negative emotions (sadness, fear, anger, and tendency for disgust). FER worsening after STN DBS can be attributed to the functional role of the STN in limbic circuits and the interference of STN stimulation with neural networks involved in FER, including the connections of the STN with the limbic part of the basal ganglia and pre- and frontal areas. These outcomes improve our understanding of the role of the STN in the integration of motor, cognitive, and emotional aspects of behaviour in the growing field of affective neuroscience. Further studies using standardized neuropsychological measures of FER assessment and including larger cohorts are needed, in order to draw definite conclusions about the effect of STN DBS on emotional recognition and its impact on patients' quality of life.
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Internal States Influence the Representation and Modulation of Food Intake by Subthalamic Neurons. Neurosci Bull 2020; 36:1355-1368. [PMID: 32567027 DOI: 10.1007/s12264-020-00533-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 02/16/2020] [Indexed: 01/02/2023] Open
Abstract
Deep brain stimulation of the subthalamic nucleus (STN) is an effective therapy for motor deficits in Parkinson's disease (PD), but commonly causes weight gain in late-phase PD patients probably by increasing feeding motivation. It is unclear how STN neurons represent and modulate feeding behavior in different internal states. In the present study, we found that feeding caused a robust activation of STN neurons in mice (GCaMP6 signal increased by 48.4% ± 7.2%, n = 9, P = 0.0003), and the extent varied with the size, valence, and palatability of food, but not with the repetition of feeding. Interestingly, energy deprivation increased the spontaneous firing rate (8.5 ± 1.5 Hz, n = 17, versus 4.7 ± 0.7 Hz, n = 18, P = 0.03) and the depolarization-induced spikes in STN neurons, as well as enhanced the STN responses to feeding. Optogenetic experiments revealed that stimulation and inhibition of STN neurons respectively reduced (by 11% ± 6%, n = 6, P = 0.02) and enhanced (by 36% ± 15%, n = 7, P = 0.03) food intake only in the dark phase. In conclusion, our results support the hypothesis that STN neurons are activated by feeding behavior, depending on energy homeostatic status and the palatability of food, and modulation of these neurons is sufficient to regulate food intake.
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Pisanò CA, Brugnoli A, Novello S, Caccia C, Keywood C, Melloni E, Vailati S, Padoani G, Morari M. Safinamide inhibits in vivo glutamate release in a rat model of Parkinson's disease. Neuropharmacology 2020; 167:108006. [DOI: 10.1016/j.neuropharm.2020.108006] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/14/2020] [Accepted: 02/10/2020] [Indexed: 10/25/2022]
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Pallàs M, Vázquez S, Sanfeliu C, Galdeano C, Griñán-Ferré C. Soluble Epoxide Hydrolase Inhibition to Face Neuroinflammation in Parkinson's Disease: A New Therapeutic Strategy. Biomolecules 2020; 10:E703. [PMID: 32369955 PMCID: PMC7277900 DOI: 10.3390/biom10050703] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 12/16/2022] Open
Abstract
Neuroinflammation is a crucial process associated with the pathogenesis of neurodegenerative diseases, including Parkinson's disease (PD). Several pieces of evidence suggest an active role of lipid mediators, especially epoxy-fatty acids (EpFAs), in the genesis and control of neuroinflammation; 14,15-epoxyeicosatrienoic acid (14,15-EET) is one of the most commonly studied EpFAs, with anti-inflammatory properties. Soluble epoxide hydrolase (sEH) is implicated in the hydrolysis of 14,15-EET to its corresponding diol, which lacks anti-inflammatory properties. Preventing EET degradation thus increases its concentration in the brain through sEH inhibition, which represents a novel pharmacological approach to foster the reduction of neuroinflammation and by end neurodegeneration. Recently, it has been shown that sEH levels increase in brains of PD patients. Moreover, the pharmacological inhibition of the hydrolase domain of the enzyme or the use of sEH knockout mice reduced the deleterious effect of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) administration. This paper overviews the knowledge of sEH and EETs in PD and the importance of blocking its hydrolytic activity, degrading EETs in PD physiopathology. We focus on imperative neuroinflammation participation in the neurodegenerative process in PD and the putative therapeutic role for sEH inhibitors. In this review, we also describe highlights in the general knowledge of the role of sEH in the central nervous system (CNS) and its participation in neurodegeneration. We conclude that sEH is one of the most promising therapeutic strategies for PD and other neurodegenerative diseases with chronic inflammation process, providing new insights into the crucial role of sEH in PD pathophysiology as well as a singular opportunity for drug development.
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Affiliation(s)
- Mercè Pallàs
- Pharmacology Section, Department of Pharmacology, Toxicology, and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona (NeuroUB), Av. Joan XXIII 27-31, 08028 Barcelona, Spain;
| | - Santiago Vázquez
- Laboratori de Química Farmacèutica (Unitat Associada al CSIC), Department de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l’Alimentació, and Institute of Biomedicine (IBUB), Universitat de Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain;
| | - Coral Sanfeliu
- Institut d’Investigacions Biomèdiques de Barcelona (IIBB), CSIC, IDIBAPS and CIBERESP, C/Roselló 161, 08036 Barcelona, Spain;
| | - Carles Galdeano
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences and Institute of Biomedicine (IBUB), University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain;
| | - Christian Griñán-Ferré
- Pharmacology Section, Department of Pharmacology, Toxicology, and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, Institute of Neuroscience, University of Barcelona (NeuroUB), Av. Joan XXIII 27-31, 08028 Barcelona, Spain;
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Parkinson's disease treatment: past, present, and future. J Neural Transm (Vienna) 2020; 127:785-791. [PMID: 32172471 DOI: 10.1007/s00702-020-02167-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 03/03/2020] [Indexed: 12/15/2022]
Abstract
The substantial contributions of Dr. Gerald Stern to past and current treatments for Parkinson's disease patients are reviewed, which form the foundation for an evaluation of future options to control symptoms and halt progression of the disease. These opportunities will depend on a greater understanding of the relative contributions of the environment, genetic and epigenetic influences to disease onset, and promise to emerge as strategies for improving mitochondrial function, halting accumulation of synuclein and neuromelanin, in addition to refinement of stem cell and gene therapies. Such advances will be achieved through deployment of improved models for the disease.
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In vivo validation of a new portable stimulator for chronic deep brain stimulation in freely moving rats. J Neurosci Methods 2020; 333:108577. [PMID: 31899208 DOI: 10.1016/j.jneumeth.2019.108577] [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: 10/12/2019] [Revised: 12/18/2019] [Accepted: 12/30/2019] [Indexed: 11/23/2022]
Abstract
BACKGROUND Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is considered as a gold standard therapy for the alleviation of motor symptoms in Parkinson's disease (PD). This success paved the way to its application for other neurological and psychiatric disorders. In this context, we aimed to develop a rodent-specific stimulator with characteristics similar to those used in patients. NEW METHOD We designed a stimulator that can be connected to an electrode container with options for bilateral or unilateral stimulation selection and offers a wide range of frequencies, pulse widths and intensities, constant current, biphasic current-control and charge balancing. Dedicated software was developed to program these parameters and the device was tested on a bilateral 6-hydroxydopamine (6-OHDA) rat model of PD. RESULTS The equipment was well tolerated by the animals with a good general welfare. STN stimulation (130 Hz frequency, 0.06 ms pulse width, 150 μA average intensity) improved the motor deficits induced by 6-OHDA as it significantly increased the number of movements compared to the values obtained in the same animals without STN stimulation. Furthermore, it restored motor coordination by significantly increasing the time spent on the rotarod bar. CONCLUSION We successfully developed and validated a new portable and programmable stimulator for freely moving rats that delivers a large range of stimulation parameters using bilateral biphasic current-control and charge balancing to maximize tissue safety. This device can be used to test deep brain stimulation in different animal models of human brain diseases.
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Robles-Gómez AA, Vega AV, Florán B, Barral J. Differential calcium channel-mediated dopaminergic modulation in the subthalamonigral synapse. Synapse 2020; 74:e22149. [PMID: 31975491 DOI: 10.1002/syn.22149] [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: 08/30/2019] [Revised: 12/09/2019] [Accepted: 01/18/2020] [Indexed: 11/09/2022]
Abstract
Dopamine (DA) modulates basal ganglia (BG) activity for initiation and execution of goal-directed movements and habits. While most studies are aimed to striatal function, the cellular and molecular mechanisms underlying dopaminergic regulation in other nuclei of the BG are not well understood. Therefore, we set to analyze the dopaminergic modulation occurring in subthalamo-nigral synapse, in both pars compacta (SNc) and pars reticulata (SNr) neurons, because these synapses are important for the integration of information previously processed in striatum and globus pallidus. In this study, electrophysiological and pharmacological evidence of dopaminergic modulation on glutamate release through calcium channels is presented. Using paired pulse ratio (PPR) measurements and selective blockers of these ionic channels, together with agonists and antagonists of DA D2 -like receptors, we found that blockade of the CaV 3 family occludes the presynaptic inhibition produced by the activation of DA receptors pharmacologically profiled as D3 -type in the STh-SNc synapses. On the contrast, the blockade of CaV 2 channels, but not CaV 3, occlude with the effect of the D3 agonist, PD 128907, in the STh-SNr synapse. The functional role of this differential distribution of calcium channels that modulate the release of glutamate in the SN implies a fine adjustment of firing for both classes of neurons. Dopaminergic neurons of the SNc establish a DA tone within the SN based on the excitatory/inhibitory inputs; such tone may contribute to processing information from subthalamic nucleus and could also be involved in pathological DA depletion that drives hyperexcitation of SNr neurons.
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Affiliation(s)
| | - Ana V Vega
- Carrera de Médico Cirujano, FES Iztacala, UNAM, Mexico City, Mexico
| | - Benjamín Florán
- Department of Physiology, Biophysics and Neurosciences, CINVESTAV-IPN, Mexico City, Mexico
| | - Jaime Barral
- Neurociencias, FES Iztacala, UNAM, Tlalnepantla de Baz, Mexico
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Xie YJ, Gao Q, He CQ, Bian R. Effect of Repetitive Transcranial Magnetic Stimulation on Gait and Freezing of Gait in Parkinson Disease: A Systematic Review and Meta-analysis. Arch Phys Med Rehabil 2020; 101:130-140. [DOI: 10.1016/j.apmr.2019.07.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 06/25/2019] [Accepted: 07/20/2019] [Indexed: 11/15/2022]
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Spay C, Albares M, Lio G, Thobois S, Broussolle E, Lau B, Ballanger B, Boulinguez P. Clonidine modulates the activity of the subthalamic-supplementary motor loop: evidence from a pharmacological study combining deep brain stimulation and electroencephalography recordings in Parkinsonian patients. J Neurochem 2019; 146:333-347. [PMID: 29675956 DOI: 10.1111/jnc.14447] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/15/2018] [Accepted: 04/04/2018] [Indexed: 12/24/2022]
Abstract
Clonidine is an anti-hypertensive medication which acts as an alpha-adrenergic receptor agonist. As the noradrenergic system is likely to support cognitive functions including attention and executive control, other clinical uses of clonidine have recently gained popularity for the treatment of neuropsychiatric disorders like attention-deficit hyperactivity disorder or Tourette syndrome, but the mechanism of action is still unclear. Here, we test the hypothesis that the noradrenergic system regulates the activity of subthalamo-motor cortical loops, and that this influence can be modulated by clonidine. We used pharmacological manipulation of clonidine in a placebo-controlled study in combination with subthalamic nucleus-deep brain stimulation (STN-DBS) in 16 Parkinson's disease patients performing a reaction time task requiring to refrain from reacting (proactive inhibition). We recorded electroencephalographical activity of the whole cortex, and applied spectral analyses directly at the source level after advanced blind source separation. We found only one cortical source localized to the supplementary motor area (SMA) that supported an interaction of pharmacological and subthalamic stimulation. Under placebo, STN-DBS reduced proactive alpha power in the SMA, a marker of local inhibitory activity. This effect was associated with the speeding-up of movement initiation. Clonidine substantially increased proactive alpha power from the SMA source, and canceled out the benefits of STN-DBS on movement initiation. These results provide the first direct neural evidence in humans that the tonic inhibitory activity of the subthalamocortical loops underlying the control of movement initiation is coupled to the noradrenergic system, and that this activity can be targeted by pharmacological agents acting on alpha-adrenergic receptors.
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Affiliation(s)
- Charlotte Spay
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,INSERM, U 1028, Lyon Neuroscience Research Center, Lyon, France.,CNRS, UMR 5292, Lyon Neuroscience Research Center, Lyon, France
| | - Marion Albares
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,CNRS, UMR 5229, Institut des Sciences Cognitives Marc Jeannerod, Bron, France.,Sorbonne Universités, UPMC Université Pierre et Marie Curie Paris 06, UMR 7225, Paris, France.,INSERM UMR 1127, Institut du cerveau et de la moelle épinière, ICM, Paris, France.,CNRS, UMR 7225, Institut du cerveau et de la moelle épinière, ICM, Paris, France
| | - Guillaume Lio
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,CNRS, UMR 5229, Institut des Sciences Cognitives Marc Jeannerod, Bron, France
| | - Stephane Thobois
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,CNRS, UMR 5229, Institut des Sciences Cognitives Marc Jeannerod, Bron, France.,Hospices civils de Lyon, hôpital neurologique Pierre Wertheimer, Bron, France
| | - Emmanuel Broussolle
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,CNRS, UMR 5229, Institut des Sciences Cognitives Marc Jeannerod, Bron, France.,Hospices civils de Lyon, hôpital neurologique Pierre Wertheimer, Bron, France
| | - Brian Lau
- Sorbonne Universités, UPMC Université Pierre et Marie Curie Paris 06, UMR 7225, Paris, France.,INSERM UMR 1127, Institut du cerveau et de la moelle épinière, ICM, Paris, France.,CNRS, UMR 7225, Institut du cerveau et de la moelle épinière, ICM, Paris, France
| | - Benedicte Ballanger
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,INSERM, U 1028, Lyon Neuroscience Research Center, Lyon, France.,CNRS, UMR 5292, Lyon Neuroscience Research Center, Lyon, France
| | - Philippe Boulinguez
- Université de Lyon, Lyon, France.,Université Lyon 1, Villeurbanne, France.,INSERM, U 1028, Lyon Neuroscience Research Center, Lyon, France.,CNRS, UMR 5292, Lyon Neuroscience Research Center, Lyon, France
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Desmoulin-Canselier S, Moutaud B. Animal Models and Animal Experimentation in the Development of Deep Brain Stimulation: From a Specific Controversy to a Multidimensional Debate. Front Neuroanat 2019; 13:51. [PMID: 31191261 PMCID: PMC6548025 DOI: 10.3389/fnana.2019.00051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 05/08/2019] [Indexed: 11/13/2022] Open
Abstract
In this article, we explore a specific controversy about animal experimentation and animal models in the recent history of deep brain stimulation (DBS), and we question its ramifications. DBS development intertwines clinical practice with fundamental research and stands at the crossroads of multiple legacies. We take up the various issues and controversies embedded in this rarely addressed dispute, from a standpoint that combines socio-anthropological and legal aspects. Our starting point is a debate on the role of animal experimentation in the development of DBS between Jarrod Bailey, a researcher promoting the abolition of animal experimentation, and Alim Louis Benabid, Marwan Hariz, and Mahlon DeLong, three key figures in the area of DBS and neuroscience. By clarifying the positions of the different protagonists and retracing the issues raised in these discussions, our objective is to show how this specific debate has extended from its initial space and how it provides an object of study with heuristic scope. We first present this partially polemic discussion about the history of DBS, and its link with a more general debate on the validity and use of animal models and the need for animal experiments. Then, we raise the issue of the relations and interactions between experiments on animals and on humans in the logics of biomedical innovation. The third step is to situate the discussion within the wider framework of opposition towards animal experimentation and the promotion of animal' rights. Finally, combining these interweaved issues, possible implications emerge regarding the future of DBS. We show that behind these several controversies lie the question of translational research and the model of medicine upheld by DBS. We describe how the technology contributes to blurring the lines between research (fundamental, preclinical and clinical research) and care, as well as between humans and animals as substrates and objects of knowledge. The dynamics of DBS future development might then become a point of convergence for neuroscientists and animal rights defenders' interests.
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Affiliation(s)
- Sonia Desmoulin-Canselier
- Centre National de la Recherche Scientifique (CNRS), Nantes, France
- Droit et Changement Social, UMR 6297, Université de Nantes, Nantes, France
| | - Baptiste Moutaud
- Centre National de la Recherche Scientifique (CNRS), Nantes, France
- Laboratoire d’ethnologie et de sociologie comparative, UMR 7186, Université Paris Nanterre, Nanterre, France
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Zhou C, Gu W, Wu H, Yan X, Deshpande P, Xiao C, Lester HA. Bidirectional dopamine modulation of excitatory and inhibitory synaptic inputs to subthalamic neuron subsets containing α4β2 or α7 nAChRs. Neuropharmacology 2019; 148:220-228. [PMID: 30660626 DOI: 10.1016/j.neuropharm.2019.01.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 01/10/2019] [Accepted: 01/14/2019] [Indexed: 02/05/2023]
Abstract
The subthalamic nucleus (STN) possesses microcircuits distinguished by subtypes of nicotinic acetylcholine receptors (nAChRs). Although dysfunction of the STN is well-known in Parkinson's disease, there is still little information about whether dopamine differentially modulates excitatory and inhibitory synaptic inputs to STN neurons expressing different nAChR subtypes. To address this issue, we performed brain slice patch-clamp recordings on STN neurons, while we pharmacologically manipulated dopaminergic inputs. In STN neuron subsets containing either α4β2 or α7 nAChRs, D1 and D2 receptors respectively enhanced and inhibited spontaneous inhibitory and excitatory postsynaptic currents (sIPSCs and sEPSCs) and firing rates. The elevation of dopamine levels resulted in diverse regulations of synaptic transmission in these two neuron subsets, and interestingly, the dopamine regulation of sIPSCs significantly correlated with that of sEPSCs. Surprisingly, depletion of dopamine either by reserpine treatment or by unilateral 6-OHDA lesion of nigrostriatal dopaminergic neurons did not alter synaptic inputs to STN neurons, but STN neurons in the 6-OHDA-lesioned side exhibited hyperactivity. In summary, dopamine regulated both GABAergic and glutamatergic synaptic inputs to STN neuron subsets containing either α4β2 or α7 nAChRs, forming a balancing machinery to control neuronal activity. In parkinsonian mice, postsynaptic mechanisms may exist and contribute to the hyperactivity of STN neurons.
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Affiliation(s)
- Chunyi Zhou
- Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Weixin Gu
- Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Haichuan Wu
- Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Xiang Yan
- Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China
| | - Purnima Deshpande
- Division of Biology, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Cheng Xiao
- Jiangsu Province Key Laboratory in Anesthesiology, School of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, 221004, China; Division of Biology, California Institute of Technology, Pasadena, CA, 91125, USA.
| | - Henry A Lester
- Division of Biology, California Institute of Technology, Pasadena, CA, 91125, USA.
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Kandadai R, Bethala A, Sirineni D, Turaga S, Jabeen S, Kanikannan M, Borgohain R. Change in non-motor symptoms after deep brain stimulation of bilateral subthalamic nuclei in patients with Parkinson’s disease. ANNALS OF MOVEMENT DISORDERS 2019. [DOI: 10.4103/aomd.aomd_4_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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28
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Spay C, Meyer G, Welter ML, Lau B, Boulinguez P, Ballanger B. Functional imaging correlates of akinesia in Parkinson's disease: Still open issues. NEUROIMAGE-CLINICAL 2018; 21:101644. [PMID: 30584015 PMCID: PMC6412010 DOI: 10.1016/j.nicl.2018.101644] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/13/2018] [Accepted: 12/15/2018] [Indexed: 11/19/2022]
Abstract
Akinesia is a major manifestation of Parkinson's disease (PD) related to difficulties or failures of willed movement to occur. Akinesia is still poorly understood and is not fully alleviated by standard therapeutic strategies. One reason is that the area of the clinical concept has blurred boundaries referring to confounded motor symptoms. Here, we review neuroimaging studies which, by providing access to finer-grained mechanisms, have the potential to reveal the dysfunctional brain processes that account for akinesia. It comes out that no clear common denominator could be identified across studies that are too heterogeneous with respect to the clinical/theoretical concepts and methods used. Results reveal, however, that various abnormalities within but also outside the motor and dopaminergic pathways might be associated with akinesia in PD patients. Notably, numerous yet poorly reproducible neural correlates were found in different brain regions supporting executive control by means of resting-state or task-based studies. This includes for instance the dorsolateral prefrontal cortex, the inferior frontal cortex, the supplementary motor area, the medial prefrontal cortex, the anterior cingulate cortex or the precuneus. This observation raises the issue of the multidimensional nature of akinesia. Yet, other open issues should be considered conjointly to drive future investigations. Above all, a unified terminology is needed to allow appropriate association of behavioral symptoms with brain mechanisms across studies. We adhere to a use of the term akinesia restricted to dysfunctions of movement initiation, ranging from delayed response to freezing or even total abolition of movement. We also call for targeting more specific neural mechanisms of movement preparation and action triggering with more sophisticated behavioral designs/event-related neurofunctional analyses. More work is needed to provide reliable evidence, but answering these still open issues might open up new prospects, beyond dopaminergic therapy, for managing this disabling symptom. No clear picture of the neural bases of PD akinesia can be drawn from the literature. Akinesia should be disentangled from bradykinesia and hypokinesia. Movement initiation dysfunctions may arise from both motor and executive disorders. Future neuroimaging studies should probe more specific neurocognitive processes. Future studies should look beyond the dopaminergic basal-ganglia circuitry.
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Affiliation(s)
- Charlotte Spay
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon Neuroscience Resaerch Center, INSERM, U 1028, CNRS, UMR 5292, Action Control and Related Disorders team, F-69000, Lyon, France
| | - Garance Meyer
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon Neuroscience Resaerch Center, INSERM, U 1028, CNRS, UMR 5292, Action Control and Related Disorders team, F-69000, Lyon, France
| | - Marie-Laure Welter
- Neurophysiology Department, CIC-CRB 1404, Rouen University Hospital, University of Rouen, F-76000 Rouen, France
| | - Brian Lau
- Sorbonne Universités, UPMC Univ Paris 06, UMR S 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle Epinière, F-75013 Paris, France
| | - Philippe Boulinguez
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon Neuroscience Resaerch Center, INSERM, U 1028, CNRS, UMR 5292, Action Control and Related Disorders team, F-69000, Lyon, France
| | - Bénédicte Ballanger
- Université de Lyon, Université Claude Bernard Lyon 1, Lyon Neuroscience Research Center, INSERM, U 1028, CNRS, UMR 5292, Neuroplasticity and Neuropathology of Olfactory Perception team, F-69000, Lyon, France.
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29
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Rahmani M, Benabdeljlil M, Bellakhdar F, Faris MEA, Jiddane M, Bayad KE, Boutbib F, Razine R, Gana R, Hassani MRE, Fatemi NE, Fikri M, Sanhaji S, Tassine H, Balrhiti IEA, Hadri SE, Kettani NEC, Abbadi NE, Amor M, Moussaoui A, Semlali A, Aidi S, Benhaddou EHA, Benomar A, Bouhouche A, Yahyaoui M, Khamlichi AE, Ouahabi AE, Maaqili RE, Tibar H, Arkha Y, Melhaoui A, Benazzouz A, Regragui W. Deep Brain Stimulation in Moroccan Patients With Parkinson's Disease: The Experience of Neurology Department of Rabat. Front Neurol 2018; 9:532. [PMID: 30108543 PMCID: PMC6080137 DOI: 10.3389/fneur.2018.00532] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Accepted: 06/14/2018] [Indexed: 11/13/2022] Open
Abstract
Introduction: Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is known as a therapy of choice of advanced Parkinson's disease. The present study aimed to assess the beneficial and side effects of STN DBS in Moroccan Parkinsonian patients. Material and Methods: Thirty five patients underwent bilateral STN DBS from 2008 to 2016 in the Rabat University Hospital. Patients were assessed preoperatively and followed up for 6 to 12 months using the Unified Parkinson's Disease Rating Scale in four conditions (stimulation OFF and ON and medication OFF and ON), the levodopa-equivalent daily dose (LEDD), dyskinesia and fluctuation scores and PDQ39 scale for quality of life (QOL). Postoperative side effects were also recorded. Results: The mean age at disease onset was 42.31 ± 7.29 years [28-58] and the mean age at surgery was 54.66 ± 8.51 years [34-70]. The median disease duration was 11.95 ± 4.28 years [5-22]. Sixty-three percentage of patients were male. 11.4% of patients were tremor dominant while 45.71 showed akinetic-rigid form and 42.90 were classified as mixed phenotype. The LEDD before surgery was 1200 mg/day [800-1500]. All patients had motor fluctuations whereas non-motor fluctuations were present in 61.80% of cases. STN DBS decreased the LEDD by 51.72%, as the mean LEDD post-surgery was 450 [188-800]. The UPDRS-III was improved by 52.27%, dyskinesia score by 66.70% and motor fluctuations by 50%, whereas QOL improved by 27.12%. Post-operative side effects were hypophonia (2 cases), infection (3 cases), and pneumocephalus (2 cases). Conclusion: Our results showed that STN DBS is an effective treatment in Moroccan Parkinsonian patients leading to a major improvement of the most disabling symptoms (dyskinesia, motor fluctuation) and a better QOL.
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Affiliation(s)
- Mounia Rahmani
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Maria Benabdeljlil
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Fouad Bellakhdar
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Hôpital Ibn Sina, University Mohammed V, Rabat, Morocco
| | - Mustapha El Alaoui Faris
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Mohamed Jiddane
- Department of Neuroradiology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Khalil El Bayad
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Fatima Boutbib
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Rachid Razine
- Laboratory of Biostatistics, Clinical Research and Epidemiology, Faculty of Medicine and Pharmacy, University Mohammed V, Rabat, Morocco
| | - Rachid Gana
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Hôpital Ibn Sina, University Mohammed V, Rabat, Morocco
| | - Moulay R El Hassani
- Department of Neuroradiology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Nizar El Fatemi
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Hôpital Ibn Sina, University Mohammed V, Rabat, Morocco
| | - Meryem Fikri
- Department of Neuroradiology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Siham Sanhaji
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Hennou Tassine
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Imane El Alaoui Balrhiti
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Souad El Hadri
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Najwa Ech-Cherif Kettani
- Department of Neuroradiology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Najia El Abbadi
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Hôpital Ibn Sina, University Mohammed V, Rabat, Morocco
| | - Mourad Amor
- Department of Anesthesia and Intensive Care, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Abdelmjid Moussaoui
- Department of Anesthesia and Intensive Care, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Afifa Semlali
- Department of Surgical Intensive Care, Faculty of Medicine and Pharmacy, Hôpital Ibn Sina, University Mohammed V, Rabat, Morocco
| | - Saadia Aidi
- Research Team in Neurology and Neurogenetics, Department of Neurology A and Neuropsychology, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - El Hachmia Ait Benhaddou
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Ali Benomar
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Ahmed Bouhouche
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Mohamed Yahyaoui
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Abdeslam El Khamlichi
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Centre de Rehabilitation et de Neurosciences, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Abdessamad El Ouahabi
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Centre de Rehabilitation et de Neurosciences, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Rachid El Maaqili
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Hôpital Ibn Sina, University Mohammed V, Rabat, Morocco
| | - Houyam Tibar
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Yasser Arkha
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Centre de Rehabilitation et de Neurosciences, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Adyl Melhaoui
- Department of Neurosurgery, Faculty of Medicine and Pharmacy, Centre de Rehabilitation et de Neurosciences, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
| | - Abdelhamid Benazzouz
- Centre National de la Recherche Scientifique, Institut des Maladies Neurodégénératives, Univ. de Bordeaux UMR 5293, Bordeaux, France
| | - Wafa Regragui
- Research Team in Neurology and Neurogenetics, Department of Neurology B and Neurogenetics, Faculty of Medicine and Pharmacy, Hôpital des Spécialités ONO, University Mohammed V, Rabat, Morocco
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Kurcova S, Bardon J, Vastik M, Vecerkova M, Frolova M, Hvizdosova L, Nevrly M, Mensikova K, Otruba P, Krahulik D, Kurca E, Sivak S, Zapletalova J, Kanovsky P. Bilateral subthalamic deep brain stimulation initial impact on nonmotor and motor symptoms in Parkinson's disease: An open prospective single institution study. Medicine (Baltimore) 2018; 97:e9750. [PMID: 29384860 PMCID: PMC5805432 DOI: 10.1097/md.0000000000009750] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Numerous studies document significant improvement in motor symptoms in patients with Parkinson's disease (PD) after deep brain stimulation of the subthalamic nucleus (STN-DBS). However, little is known about the initial effects of STN-DBS on nonmotor domains.Our objective was to elucidate the initial effects of STN-DBS on non-motor and motor symptoms in PD patients in a 4-month follow-up.This open prospective study followed 24 patients with PD who underwent STN-DBS. The patients were examined using dedicated rating scales preoperatively and at 1 and 4 months following STN-DBS to determine initial changes in motor and nonmotor symptoms. Patients at month 1 after STN-DBS had significantly reduced the Parkinson's disease Questionnaire scores (P = .018) and Scales for Outcomes in Parkinson's disease - Autonomic scores (P = .002); these scores had increased at Month 4 after DBS-STN. Nonmotor Symptoms Scale for Parkinson's Disease had improved significantly at Month 1 (P < .001); at Month 4, it remained significantly lower than before stimulation (P = .036). There was no significant difference in The Parkinson's Disease Sleep Scaleat Month 1 and significant improvement at Month 4 (P = .026). There were no significant changes in The Female Sexual Function Index or International Index of Erectile Function. Movement Disorder Society Unified Parkinson's Disease Rating Scale, Part III scores show significant improvements at Month 1 (P < .001) and at Month 4 (P < .001).STN-DBS in patients with advanced PD clearly improves not only motor symptoms, but also several domains of nonmotor functions, namely sleep, autonomic functions and quality of life quickly following the start of stimulation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - David Krahulik
- Department of Neurosurgery, University Hospital and Faculty of Medicine and Dentistry, Palacky University Olomouc, Czech Republic
| | - Egon Kurca
- Clinic of Neurology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava and University Hospital in Martin, Slovak Republic
| | - Stefan Sivak
- Clinic of Neurology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava and University Hospital in Martin, Slovak Republic
| | - Jana Zapletalova
- Department of Biostatistics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Czech Republic
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Celebrating thirty years of deep brain stimulation in movement disorders patients: A successful marriage between neurologists and neurosurgeons. Parkinsonism Relat Disord 2018; 46:98-99. [DOI: 10.1016/j.parkreldis.2017.11.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 11/08/2017] [Indexed: 11/19/2022]
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Vermeiren Y, De Deyn PP. Targeting the norepinephrinergic system in Parkinson's disease and related disorders: The locus coeruleus story. Neurochem Int 2017; 102:22-32. [DOI: 10.1016/j.neuint.2016.11.009] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 11/10/2016] [Accepted: 11/23/2016] [Indexed: 01/12/2023]
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