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Constitutive PGC-1 ...
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Karlsson, Lars O,1975Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology
(författare)
Constitutive PGC-1 alpha overexpression in skeletal muscle does not protect from age-dependent decline in neurogenesis
- Artikel/kapitelEngelska2019
Förlag, utgivningsår, omfång ...
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2019-08-23
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Springer Science and Business Media LLC,2019
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LIBRIS-ID:oai:gup.ub.gu.se/283698
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https://gup.ub.gu.se/publication/283698URI
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https://doi.org/10.1038/s41598-019-48795-wDOI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:141653268URI
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Aerobic exercise prevents age-dependent decline in cognition and hippocampal neurogenesis. The transcription factor peroxisome proliferator-activated receptor gamma co-activator 1-alpha (PGC-1 alpha) mediates many of the exercise-induced benefits in skeletal muscle, including the release of factors into the circulation with neurotrophic effects. We use a transgenic mouse model with muscle-specific overexpression of PGC-1 alpha to study the contribution of chronic muscle activation on exercise-induced effects on hippocampal neurogenesis in aging. Young and old transgenic and wild type animals of both sexes displayed a robust age-related reduction in newborn BrdU+-cells, immature neurons (DCX+-cells) and new mature BrdU(+)/NeuN(+)-neurons in the dentate gyrus. No differences were detected between genotypes or sexes. Analysis of serum proteins showed a tendency towards increased levels of myokines and reduced levels of pro-inflammatory cytokines for transgenic animals, but only musclin was found to be significantly up-regulated in transgenic animals. We conclude that constitutive muscular overexpression of PGC-1 alpha, despite potent systemic changes, is insufficient for mimicking exercise-induced effects on hippocampal neurogenesis in aging. Continued studies are required to investigate the complex molecular mechanisms by which circulating signals could mediate exercise-induced effects on the central nervous system in disease and aging, with the aim of discovering new therapeutic possibilities for patients.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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González-Alvarado, María NazarethGothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology
(författare)
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Motalleb, Reza,1985Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xmotre
(författare)
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Blomgren, K.Karolinska Institutet
(författare)
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Börjesson, Mats,1965Gothenburg University,Göteborgs universitet,Centrum för hälsa och prestationsutveckling,Institutionen för neurovetenskap och fysiologi,Center for Health and Performance,Institute of Neuroscience and Physiology(Swepub:gu)xborjm
(författare)
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Kuhn, Hans-Georg,1961Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xkuhha
(författare)
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Göteborgs universitetInstitutionen för neurovetenskap och fysiologi
(creator_code:org_t)
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Ingår i:Scientific Reports: Springer Science and Business Media LLC92045-2322
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