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Scheinok TJ, D'Haeseleer M, Nagels G, De Bundel D, Van Schependom J. Neuronal activity and NIBS in developmental myelination and remyelination - current state of knowledge. Prog Neurobiol 2023; 226:102459. [PMID: 37127087 DOI: 10.1016/j.pneurobio.2023.102459] [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: 02/06/2023] [Revised: 04/06/2023] [Accepted: 04/28/2023] [Indexed: 05/03/2023]
Abstract
Oligodendrocytes are responsible for myelinating central nervous system (CNS) axons. and rapid electrical transmission through saltatory conduction of action potentials. Myelination and myelin repair rely partially on oligodendrogenesis, which comprises. oligodendrocyte precursor cell (OPC) migration, maturation, and differentiation into. oligodendrocytes (OL). In multiple sclerosis (MS), demyelination occurs due to an. inflammatory cascade with auto-reactive T-cells. When oligodendrogenesis fails, remyelination becomes aberrant and conduction impairments are no longer restored. Although current disease modifying therapies have achieved results in modulating the. faulty immune response, disease progression continues because of chronic. inflammation, neurodegeneration, and failure of remyelination. Therapies have been. tried to promote remyelination. Modulation of neuronal activity seems to be a very. promising strategy in preclinical studies. Additionally, studies in people with MS. (pwMS) have shown symptom improvement following non-invasive brain stimulation. (NIBS) techniques. The aforementioned mechanisms are yet unknown and probably. involve both the activation of neurons and glial cells. Noting neuronal activity. contributes to myelin plasticity and that NIBS modulates neuronal activity; we argue. that NIBS is a promising research horizon for demyelinating diseases. We review the. hypothesized pathways through which NIBS may affect both neuronal activity in the. CNS and how the resulting activity can affect oligodendrogenesis and myelination.
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Affiliation(s)
- Thomas J Scheinok
- AIMS Lab, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussel, Belgium; Department of Pharmaceutical and Pharmacological Sciences, Research Group Experimental Pharmacology (EFAR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium.
| | - Miguel D'Haeseleer
- Nationaal Multiple Sclerose Centrum, Vanheylenstraat 16, 1820 Melsbroek, Belgium
| | - Guy Nagels
- AIMS Lab, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussel, Belgium; St Edmund Hall, University of Oxford, Queen's Lane, Oxford, UK
| | - Dimitri De Bundel
- Department of Pharmaceutical and Pharmacological Sciences, Research Group Experimental Pharmacology (EFAR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Jeroen Van Schependom
- AIMS Lab, Center for Neurosciences, UZ Brussel, Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussel, Belgium; Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel, Pleinlaan 2, 1050, Brussel, Belgium
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Yang FY, Huang LH, Wu MT, Pan ZY. Ultrasound Neuromodulation Reduces Demyelination in a Rat Model of Multiple Sclerosis. Int J Mol Sci 2022; 23:ijms231710034. [PMID: 36077437 PMCID: PMC9456451 DOI: 10.3390/ijms231710034] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/26/2022] [Accepted: 08/27/2022] [Indexed: 11/16/2022] Open
Abstract
Microglia, astrocytes, and oligodendrocyte progenitor cells (OPCs) may serve as targets for remyelination-enhancing therapy. Low-intensity pulsed ultrasound (LIPUS) has been demonstrated to ameliorate myelin loss and inhibit neuroinflammation in animal models of brain disorders; however, the underlying mechanisms through which LIPUS stimulates remyelination and glial activation are not well-understood. This study explored the impacts of LIPUS on remyelination and resident cells following lysolecithin (LPC)-induced local demyelination in the hippocampus. Demyelination was induced by the micro-injection of 1.5 μL of 1% LPC into the rat hippocampus, and the treatment groups received daily LIPUS stimulation for 5 days. The therapeutic effects of LIPUS on LPC-induced demyelination were assessed through immunohistochemistry staining. The staining was performed to evaluate remyelination and Iba-1 staining as a microglia marker. Our data revealed that LIPUS significantly increased myelin basic protein (MBP) expression. Moreover, the IHC results showed that LIPUS significantly inhibited glial cell activation, enhanced mature oligodendrocyte density, and promoted brain-derived neurotrophic factor (BDNF) expression at the lesion site. In addition, a heterologous population of microglia with various morphologies can be found in the demyelination lesion after LIPUS treatment. These data show that LIPUS stimulation may serve as a potential treatment for accelerating remyelination through the attenuation of glial activation and the enhancement of mature oligodendrocyte density and BDNF production.
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Affiliation(s)
- Feng-Yi Yang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Correspondence: ; Tel.: +886-2-2826-7281; Fax: +886-2-2820-1095
| | - Li-Hsin Huang
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Meng-Ting Wu
- Division of Neurosurgery, Cheng Hsin General Hospital, Taipei 112, Taiwan
| | - Zih-Yun Pan
- Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
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Pérez-Neri I, González-Aguilar A, Sandoval H, Pineda C, Ríos C. Therapeutic Potential of Ultrasound Neuromodulation in Decreasing Neuropathic Pain: Clinical and Experimental Evidence. Curr Neuropharmacol 2021; 19:334-348. [PMID: 32691714 PMCID: PMC8033967 DOI: 10.2174/1570159x18666200720175253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/23/2020] [Accepted: 07/07/2020] [Indexed: 01/01/2023] Open
Abstract
Background For more than seven decades, ultrasound has been used as an imaging and diagnostic tool. Today, new technologies, such as focused ultrasound (FUS) neuromodulation, have revealed some innovative, potential applications. However, those applications have been barely studied to deal with neuropathic pain (NP), a cluster of chronic pain syndromes with a restricted response to conventional pharmaceuticals. Objective To analyze the therapeutic potential of low-intensity (LIFUS) and high-intensity (HIFUS) FUS for managing NP. Methods We performed a narrative review, including clinical and experimental ultrasound neuromodulation studies published in three main database repositories. Discussion Evidence shows that FUS may influence several mechanisms relevant for neuropathic pain management such as modulation of ion channels, glutamatergic neurotransmission, cerebral blood flow, inflammation and neurotoxicity, neuronal morphology and survival, nerve regeneration, and remyelination. Some experimental models have shown that LIFUS may reduce allodynia after peripheral nerve damage. At the same time, a few clinical studies support its beneficial effect on reducing pain in nerve compression syndromes. In turn, Thalamic HIFUS ablation can reduce NP from several etiologies with minor side-effects, but some neurological sequelae might be permanent. HIFUS is also useful in lowering non-neuropathic pain in several disorders. Conclusion Although an emerging set of studies brings new evidence on the therapeutic potential of both LIFUS and HIFUS for managing NP with minor side-effects, we need more controlled clinical trials to conclude about its safety and efficacy.
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Affiliation(s)
- Iván Pérez-Neri
- Department of Neurochemistry, National Institute of Neurology and Neurosurgery, Insurgentes Sur 3877, La Fama, Tlalpan, Mexico City, 14269, Mexico
| | - Alberto González-Aguilar
- Neuro-oncology Unit, Instituto Nacional de Neurología y Neurocirugia Manuel Velasco Suarez, Insurgentes Sur 3877, La Fama, Tlalpan, Mexico City, 14269, Mexico
| | - Hugo Sandoval
- Sociomedical Research Unit, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Calzada México-Xochimilco 289, Col, Arenal de Guadalupe, Alcaldia Tlalpan, C.P. 14389, Mexico City, Mexico
| | - Carlos Pineda
- Division of Musculoskeletal and Rheumatic Disorders, Instituto Nacional de Rehabilitacion Luis Guillermo Ibarra Ibarra, Calzada Mexico-Xochimilco 289, Col, Arenal de Guadalupe, Alcaldia Tlalpan, C.P.14389, Mexico City, Mexico
| | - Camilo Ríos
- Department of Neurochemistry, National Institute of Neurology and Neurosurgery, Insurgentes Sur 3877, La Fama, Tlalpan, Mexico City, 14269, Mexico
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Maas DA, Angulo MC. Can Enhancing Neuronal Activity Improve Myelin Repair in Multiple Sclerosis? Front Cell Neurosci 2021; 15:645240. [PMID: 33708075 PMCID: PMC7940692 DOI: 10.3389/fncel.2021.645240] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 02/01/2021] [Indexed: 12/15/2022] Open
Abstract
Enhanced neuronal activity in the healthy brain can induce de novo myelination and behavioral changes. As neuronal activity can be achieved using non-invasive measures, it may be of interest to utilize the innate ability of neuronal activity to instruct myelination as a novel strategy for myelin repair in demyelinating disorders such as multiple sclerosis (MS). Preclinical studies indicate that stimulation of neuronal activity in demyelinated lesions indeed has the potential to improve remyelination and that the stimulation paradigm is an important determinant of success. However, future studies will need to reveal the most efficient stimulation protocols as well as the biological mechanisms implicated. Nonetheless, clinical studies have already explored non-invasive brain stimulation as an attractive therapeutic approach that ameliorates MS symptomatology. However, whether symptom improvement is due to improved myelin repair remains unclear. In this mini-review, we discuss the neurobiological basis and potential of enhancing neuronal activity as a novel therapeutic approach in MS.
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Affiliation(s)
- Dorien A Maas
- Université de Paris, Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Paris, France
| | - María Cecilia Angulo
- Université de Paris, Institute of Psychiatry and Neuroscience of Paris (IPNP), INSERM U1266, Paris, France.,GHU PARIS Psychiatrie et Neurosciences, Paris, France
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Schimek N, Burke-Conte Z, Abernethy J, Schimek M, Burke-Conte C, Bobola M, Stocco A, Mourad PD. Repeated Application of Transcranial Diagnostic Ultrasound Towards the Visual Cortex Induced Illusory Visual Percepts in Healthy Participants. Front Hum Neurosci 2020; 14:66. [PMID: 32194387 PMCID: PMC7062642 DOI: 10.3389/fnhum.2020.00066] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 02/12/2020] [Indexed: 11/24/2022] Open
Abstract
Transcranial magnetic stimulation (TMS) of the visual cortex can induce phosphenes as participants look at a visual target. So can non-diagnostic ultrasound (nDU), delivered in a transcranial fashion, while participants have closed their eyes during stimulation. Here, we sought to determine if DU, aimed at the visual cortex, could alter the perception of a visual target. We applied a randomized series of actual or sham DU, transcranially and towards the visual cortex of healthy participants while they stared at a visual target (a white crosshair on a light-blue background), with the ultrasound device placed where TMS elicited phosphenes. These participants observed percepts seven out of ten times, which consisted of extra or extensions of lines relative to the original crosshair, and additional colors, an average of 53.7 ± 2.6% of the time over the course of the experiment. Seven out of ten different participants exposed to sham-only DU observed comparable percepts, but only an average of 36.3 ± 1.9% of the time, a statistically significant difference (p < 0.00001). Moreover, on average, participants exposed to a combination of sham and actual ultrasound reported a net increase of 47.9 percentage points in the likelihood that they would report a percept by the end of the experiment. Our results are consistent with the hypothesis that a random combination of sham-only and actual DU, applied directly over the visual cortex of participants, increased the likelihood that they would observe visual effects, but not the type of effects, with that likelihood increasing over the course of the experiment. From this, we conclude that repeated exposures by DU may make the visual cortex more responsive to stimulation of their visual cortex by the visual target itself. Future studies should identify the biophysical mechanism(s) and neural pathways by which DU, in our hands and others, can generate its observed effects on brain function. These observations, consistent with other’s observation of effects of DU stimulation of the human motor cortex and amygdala, as well as the FDA approved nature of DU, may lead to increased use of DU as a means of altering brain function.
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Affiliation(s)
- Nels Schimek
- Department of Neurological Surgery, University of Washington, Seattle, WA, United States
| | - Zeb Burke-Conte
- Department of Neurological Surgery, University of Washington, Seattle, WA, United States
| | - Justin Abernethy
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - Maren Schimek
- Department of Neurological Surgery, University of Washington, Seattle, WA, United States
| | - Celeste Burke-Conte
- Department of Neurological Surgery, University of Washington, Seattle, WA, United States
| | - Michael Bobola
- Department of Neurological Surgery, University of Washington, Seattle, WA, United States
| | - Andrea Stocco
- Department of Psychology, University of Washington, Seattle, WA, United States
| | - Pierre D Mourad
- Department of Neurological Surgery, University of Washington, Seattle, WA, United States.,Division of Engineering and Mathematics, University of Washington, Seattle, WA, United States
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Carradori D, Labrak Y, Miron VE, Saulnier P, Eyer J, Préat V, des Rieux A. Retinoic acid-loaded NFL-lipid nanocapsules promote oligodendrogenesis in focal white matter lesion. Biomaterials 2020; 230:119653. [DOI: 10.1016/j.biomaterials.2019.119653] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 11/15/2019] [Accepted: 11/24/2019] [Indexed: 02/08/2023]
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