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Steib, K. ; Schäffner, I. ; Jagasia, R. ; Ebert, B. ; Lie, D.C.

Mitochondria modify exercise-induced development of stem cell-derived neurons in the adult brain.

J. Neurosci. 34, 6624-6633 (2014)
Verlagsversion DOI PMC
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Neural stem cells in the adult mammalian hippocampus continuously generate new functional neurons, which modify the hippocampal network and significantly contribute to cognitive processes and mood regulation. Here, we show that the development of new neurons from stem cells in adult mice is paralleled by extensive changes to mitochondrial mass, distribution, and shape. Moreover, exercise-a strong modifier of adult hippocampal neurogenesis-accelerates neuronal maturation and induces a profound increase in mitochondrial content and the presence of mitochondria in dendritic segments. Genetic inhibition of the activity of the mitochondrial fission factor dynamin-related protein 1 (Drp1) inhibits neurogenesis under basal and exercise conditions. Conversely, enhanced Drp1 activity furthers exercise-induced acceleration of neuronal maturation. Collectively, these results indicate that adult hippocampal neurogenesis requires adaptation of the mitochondrial compartment and suggest that mitochondria are targets for enhancing neurogenesis-dependent hippocampal plasticity.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Activity ; Adult Hippocampal Neurogenesis ; Exercise ; Mitochondria ; Stem Cells; Newly Generated Neurons; In-vivo; Born Neurons; Pattern Separation; Dentate Gyrus; Neurogenesis; Hippocampus; Maturation; Morphogenesis; Biogenesis
Sprache englisch
Veröffentlichungsjahr 2014
HGF-Berichtsjahr 2014
ISSN (print) / ISBN 0270-6474
e-ISSN 1529-2401
Zeitschrift Journal of Neuroscience
Quellenangaben Band: 34, Heft: 19, Seiten: 6624-6633 Artikelnummer: , Supplement: ,
Verlag Society for Neuroscience
Verlagsort Washington
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Developmental Genetics (IDG)
POF Topic(s) 30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-500590-001
PubMed ID 24806687
DOI 10.1523/JNEUROSCI.4972-13.2014
WOS ID WOS:000336380500020
Scopus ID 84899852433
Erfassungsdatum 2014-05-10
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