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Reactive astrocytes...
Reactive astrocytes prevent maladaptive plasticity after ischemic stroke
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Aswendt, M. (author)
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- Wilhelmsson, Ulrika, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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Wieters, F. (author)
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- Stokowska, Anna (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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Schmitt, F. J. (author)
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Pallast, N. (author)
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- de Pablo, Yolanda (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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- Mohammed, Lava (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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Hoehn, M. (author)
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- Pekna, Marcela, 1966 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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- Pekny, Milos, 1965 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience
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- Elsevier BV, 2022
- 2022
- English.
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In: Progress in Neurobiology. - : Elsevier BV. - 0301-0082. ; 209
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Abstract
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- Restoration of functional connectivity is a major contributor to functional recovery after stroke. We investigated the role of reactive astrocytes in functional connectivity and recovery after photothrombotic stroke in mice with attenuated reactive gliosis (GFAP–/–Vim–/–). Infarct volume and longitudinal functional connectivity changes were determined by in vivo T2-weighted magnetic resonance imaging (MRI) and resting-state functional MRI. Sensorimotor function was assessed with behavioral tests, and glial and neural plasticity responses were quantified in the peri-infarct region. Four weeks after stroke, GFAP–/–Vim–/– mice showed impaired recovery of sensorimotor function and aberrant restoration of global neuronal connectivity. These mice also exhibited maladaptive plasticity responses, shown by higher number of lost and newly formed functional connections between primary and secondary targets of cortical stroke regions and increased peri-infarct expression of the axonal plasticity marker Gap43. We conclude that reactive astrocytes modulate recovery-promoting plasticity responses after ischemic stroke. © 2021
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Keyword
- Functional connectivity
- Intermediate filaments (nanofilaments)
- MRI
- Reactive gliosis
- Recovery
- Stroke
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Aswendt, M.
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Wilhelmsson, Ulr ...
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Wieters, F.
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Stokowska, Anna
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Schmitt, F. J.
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Pallast, N.
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show more...
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de Pablo, Yoland ...
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Mohammed, Lava
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Hoehn, M.
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Pekna, Marcela, ...
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Pekny, Milos, 19 ...
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Neurosciences
- Articles in the publication
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Progress in Neur ...
- By the university
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University of Gothenburg