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Tashiro S, Shibata S, Nagoshi N, Zhang L, Yamada S, Tsuji T, Nakamura M, Okano H. Do Pharmacological Treatments Act in Collaboration with Rehabilitation in Spinal Cord Injury Treatment? A Review of Preclinical Studies. Cells 2024; 13:412. [PMID: 38474376 DOI: 10.3390/cells13050412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/18/2024] [Accepted: 02/24/2024] [Indexed: 03/14/2024] Open
Abstract
There is no choice other than rehabilitation as a practical medical treatment to restore impairments or improve activities after acute treatment in people with spinal cord injury (SCI); however, the effect is unremarkable. Therefore, researchers have been seeking effective pharmacological treatments. These will, hopefully, exert a greater effect when combined with rehabilitation. However, no review has specifically summarized the combinatorial effects of rehabilitation with various medical agents. In the current review, which included 43 articles, we summarized the combinatorial effects according to the properties of the medical agents, namely neuromodulation, neurotrophic factors, counteraction to inhibitory factors, and others. The recovery processes promoted by rehabilitation include the regeneration of tracts, neuroprotection, scar tissue reorganization, plasticity of spinal circuits, microenvironmental change in the spinal cord, and enforcement of the musculoskeletal system, which are additive, complementary, or even synergistic with medication in many cases. However, there are some cases that lack interaction or even demonstrate competition between medication and rehabilitation. A large fraction of the combinatorial mechanisms remains to be elucidated, and very few studies have investigated complex combinations of these agents or targeted chronically injured spinal cords.
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Affiliation(s)
- Syoichi Tashiro
- Department of Rehabilitation Medicine, School of Medicine, Keio University, Tokyo 160-8582, Japan
- Department of Rehabilitation Medicine, Faculty of Medicine, Kyorin University, Tokyo 181-8611, Japan
| | - Shinsuke Shibata
- Division of Microscopic Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Narihito Nagoshi
- Department of Orthopaedic Surgery, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Liang Zhang
- Department of Rehabilitation Medicine, Faculty of Medicine, Kyorin University, Tokyo 181-8611, Japan
| | - Shin Yamada
- Department of Rehabilitation Medicine, Faculty of Medicine, Kyorin University, Tokyo 181-8611, Japan
| | - Tetsuya Tsuji
- Department of Rehabilitation Medicine, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Masaya Nakamura
- Department of Orthopaedic Surgery, School of Medicine, Keio University, Tokyo 160-8582, Japan
| | - Hideyuki Okano
- Department of Physiology, School of Medicine, Keio University, Tokyo 160-8582, Japan
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Serpa BJ, Bullard JD, Mendiola VC, Smith CJ, Stewart B, Ganser LR. D-Amphetamine Exposure Differentially Disrupts Signaling Across Ontogeny in the Zebrafish. Bioelectricity 2019; 1:85-104. [PMID: 32292892 PMCID: PMC6595799 DOI: 10.1089/bioe.2019.0006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Prescriptive and illicit amphetamine (AMPH) use continues to increase along with the likelihood that during an individual's lifetime, the drug deleteriously influences the growth and connectivity of behavior circuits necessary for survival. Throughout ontogeny, neural circuits underlying these behaviors grow in complexity, gradually integrating many sensory inputs that trigger higher order coordinated motor responses. In the present study, we examine how AMPH disrupts the establishment of these circuits at critical neurodevelopmental periods, as well as the communication among established survival circuits. Materials and Methods: Zebrafish embryos (from 1 hpf) were raised in AMPH solutions, growth parameters and escape behavior were assessed at 24 and 48 hpf, and spinal cord tissues analyzed for differences in excitatory-inhibitory signaling balance among treatments. Adult fish were fed an acute dosage of AMPH over an 11-day conditioned place preference (PP) paradigm during which behaviors were recorded and brain tissues analyzed for alterations in dopaminergic signaling. Results: AMPH negatively affects embryonic growth and slows the execution of escape behavior, suggesting an imbalance in locomotor signaling. Although local spinal circuits provide primary escape modulation, no differences in inhibitory glycinergic, and excitatory glutamatergic signaling were measured among spinal neurons. AMPH also influenced place preference in adult zebrafish and resulted in the increased expression of dopamine signaling proteins (DRD1) in brain areas governing survival behaviors.
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Affiliation(s)
- Bradley J. Serpa
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, Georgia
| | - Jennifer D. Bullard
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, Georgia
| | - Victoria C. Mendiola
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, Georgia
| | - Crystal J. Smith
- Medical University of South Carolina, Charleston, South Carolina
| | - Brandon Stewart
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, Georgia
| | - Lisa R. Ganser
- Department of Molecular and Cellular Biology, Kennesaw State University, Kennesaw, Georgia
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Diogo CC, da Costa LM, Pereira JE, Filipe V, Couto PA, Geuna S, Armada-da-Silva PA, Maurício AC, Varejão ASP. Kinematic and kinetic gait analysis to evaluate functional recovery in thoracic spinal cord injured rats. Neurosci Biobehav Rev 2019; 98:18-28. [PMID: 30611796 DOI: 10.1016/j.neubiorev.2018.12.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 11/16/2018] [Accepted: 12/24/2018] [Indexed: 12/29/2022]
Abstract
The recovery of walking function following spinal cord injury (SCI) is of major importance to patients and clinicians. In experimental SCI studies, a rat model is widely used to assess walking function, following thoracic spinal cord lesion. In an effort to provide a resource which investigators can refer to when seeking the most appropriate functional assay, the authors have compiled and categorized the behavioral assessments used to measure the deficits and recovery of the gait in thoracic SCI rats. These categories include kinematic and kinetic measurements. Within this categorization, we discuss the advantages and disadvantages of each type of measurement. The present review includes the type of outcome data that they produce, the technical difficulty and the time required to potentially train the animals to perform them, and the need for expensive or highly specialized equipment. The use of multiple kinematic and kinetic parameters is recommended to identify subtle deficits and processes involved in the compensatory mechanisms of walking function after experimental thoracic SCI in rats.
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Affiliation(s)
- Camila Cardoso Diogo
- Department of Veterinary Sciences, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Luís Maltez da Costa
- Department of Veterinary Sciences, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal; CECAV, Centre for Animal Sciences and Veterinary Studies, University of Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
| | - José Eduardo Pereira
- Department of Veterinary Sciences, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal; CECAV, Centre for Animal Sciences and Veterinary Studies, University of Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Vítor Filipe
- Department of Engineering, School of Science and Technology, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal; INESC TEC, Rua Dr. Roberto Frias, 4200 - 465 Porto, Portugal
| | - Pedro Alexandre Couto
- Department of Engineering, School of Science and Technology, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal; CITAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Stefano Geuna
- Department of Clinical and Biological Sciences, University of Turin, Italy
| | - Paulo A Armada-da-Silva
- Faculdade de Motricidade Humana (FMH), Universidade de Lisboa (ULisboa), Estrada da Costa, 1499-002, Dafundo, Cruz Quebrada, Portugal; CIPER-FMH: Centro Interdisciplinar de Estudo de Performance Humana, Faculdade de Motricidade Humana (FMH), Universidade de Lisboa (ULisboa), Estrada da Costa, 1499-002, Cruz Quebrada - Dafundo, Portugal
| | - Ana Colette Maurício
- Department of Veterinary Clinics, Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (UP), Rua de Jorge Viterbo Ferreira, nº 228, 4050-313 Porto, Portugal; Animal Science and Study Centre (CECA), Institute of Sciences, Technologies and Agroenvironment of the University of Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401, Porto, Portugal
| | - Artur S P Varejão
- Department of Veterinary Sciences, University of Trás-os-Montes e Alto Douro, UTAD, Quinta de Prados, 5000-801 Vila Real, Portugal; CECAV, Centre for Animal Sciences and Veterinary Studies, University of Trás-os-Montes e Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal.
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Abstract
INTRODUCTION Brain injuries are one of the leading causes of disability worldwide. It is estimated that nearly half of patients who develop severe sequelae will continue with a chronic severe disability despite having received an appropriate rehabilitation program. For more than 3 decades, there has been a worldwide effort to investigate the possibility of pharmacologically stimulating the neuroplasticity process for enhancing the recovery of these patients. OBJECTIVE The objective of this article is to make a critical and updated review of the available evidence that supports the positive effect of different drugs on the recovery from brain injury. METHOD To date, there have been several clinical trials that tested different drugs that act on different neurotransmitter systems: catecholaminergic, cholinergic, serotonergic, and glutamatergic. There is both basic and clinical evidence that may support some positive effect of these drugs on motor, cognitive, and language skills; however, only few of the available studies are of sufficient methodological quality (placebo controlled, randomized, blinded, multicenter, etc) to make solid conclusions about their beneficial effects. CONCLUSIONS Currently, the pharmacological stimulation of neuroplasticity still does not have enough scientific evidence to make a systematic therapeutic recommendation for all patients, but it certainly is a feasible and very promising field for future research.
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Sharp KG, Duarte JE, Gebrekristos B, Perez S, Steward O, Reinkensmeyer DJ. Robotic Rehabilitator of the Rodent Upper Extremity: A System and Method for Assessing and Training Forelimb Force Production after Neurological Injury. J Neurotrauma 2016; 33:460-7. [PMID: 26414700 DOI: 10.1089/neu.2015.3987] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Rodent models of spinal cord injury are critical for the development of treatments for upper limb motor impairment in humans, but there are few methods for measuring forelimb strength of rodents, an important outcome measure. We developed a novel robotic device--the Robotic Rehabilitator of the Rodent Upper Extremity (RUE)--that requires rats to voluntarily reach for and pull a bar to retrieve a food reward; the resistance of the bar can be programmed. We used RUE to train forelimb strength of 16 rats three times per week for 23 weeks before and 38 weeks after a mild (100 kdyne) unilateral contusion at the cervical level 5 (C5). We measured maximum force produced when RUE movement was unexpectedly blocked. We compared this blocked pulling force (BPF) to weekly measures of forelimb strength obtained with a previous, well-established method: the grip strength meter (GSM). Before injury, BPF was 2.6 times higher (BPF, 444.6 ± 19.1 g; GSM, 168.4 ± 3.1 g) and 4.9 times more variable (p < 0.001) than pulling force measured with the GSM; the two measurement methods were uncorrelated (R(2) = 0.03; p = 0.84). After injury, there was a significant decrease in BPF of 134.35 g ± 14.71 g (p < 0.001). Together, our findings document BPF as a repeatable measure of forelimb force production, sensitive to a mild spinal cord injury, which comes closer to measuring maximum force than the GSM and thus may provide a useful measure for quantifying the effects of treatment in rodent models of SCI.
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Affiliation(s)
- Kelli G Sharp
- 1 Department of Dance, University of California at Irvine , Irvine, California.,2 Reeve-Irvine Research Center, University of California at Irvine , Irvine, California
| | - Jaime E Duarte
- 3 Department of Mechanical and Aerospace Engineering, University of California at Irvine , Irvine, California
| | | | - Sergi Perez
- 3 Department of Mechanical and Aerospace Engineering, University of California at Irvine , Irvine, California
| | - Oswald Steward
- 2 Reeve-Irvine Research Center, University of California at Irvine , Irvine, California.,4 Department of Anatomy and Neurobiology, University of California at Irvine , Irvine, California.,5 Department of Neurobiology and Behavior, University of California at Irvine , Irvine, California.,6 Department of Neurosurgery, University of California at Irvine , Irvine, California
| | - David J Reinkensmeyer
- 2 Reeve-Irvine Research Center, University of California at Irvine , Irvine, California.,3 Department of Mechanical and Aerospace Engineering, University of California at Irvine , Irvine, California.,4 Department of Anatomy and Neurobiology, University of California at Irvine , Irvine, California
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Leszczyńska AN, Majczyński H, Wilczyński GM, Sławińska U, Cabaj AM. Thoracic Hemisection in Rats Results in Initial Recovery Followed by a Late Decrement in Locomotor Movements, with Changes in Coordination Correlated with Serotonergic Innervation of the Ventral Horn. PLoS One 2015; 10:e0143602. [PMID: 26606275 PMCID: PMC4659566 DOI: 10.1371/journal.pone.0143602] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 11/06/2015] [Indexed: 11/18/2022] Open
Abstract
Lateral thoracic hemisection of the rodent spinal cord is a popular model of spinal cord injury, in which the effects of various treatments, designed to encourage locomotor recovery, are tested. Nevertheless, there are still inconsistencies in the literature concerning the details of spontaneous locomotor recovery after such lesions, and there is a lack of data concerning the quality of locomotion over a long time span after the lesion. In this study, we aimed to address some of these issues. In our experiments, locomotor recovery was assessed using EMG and CatWalk recordings and analysis. Our results showed that after hemisection there was paralysis in both hindlimbs, followed by a substantial recovery of locomotor movements, but even at the peak of recovery, which occurred about 4 weeks after the lesion, some deficits of locomotion remained present. The parameters that were abnormal included abduction, interlimb coordination and speed of locomotion. Locomotor performance was stable for several weeks, but about 3-4 months after hemisection secondary locomotor impairment was observed with changes in parameters, such as speed of locomotion, interlimb coordination, base of hindlimb support, hindlimb abduction and relative foot print distance. Histological analysis of serotonergic innervation at the lumbar ventral horn below hemisection revealed a limited restoration of serotonergic fibers on the ipsilateral side of the spinal cord, while on the contralateral side of the spinal cord it returned to normal. In addition, the length of these fibers on both sides of the spinal cord correlated with inter- and intralimb coordination. In contrast to data reported in the literature, our results show there is not full locomotor recovery after spinal cord hemisection. Secondary deterioration of certain locomotor functions occurs with time in hemisected rats, and locomotor recovery appears partly associated with reinnervation of spinal circuitry by serotonergic fibers.
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Affiliation(s)
| | | | | | | | - Anna M Cabaj
- Nencki Insitute of Experimental Biology, PAS, Warsaw, Poland.,Nałęcz Institute of Biocybernetics and Biomedical Engineering, PAS, Warsaw, Poland
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The time-dependent and persistent effects of amphetamine treatment upon recovery from hemispatial neglect in rats. Behav Brain Res 2015. [DOI: 10.1016/j.bbr.2015.07.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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