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Over-Expression of Meteorin Drives Gliogenesis Following Striatal Injury

Wright, JL; Ermine, CM; Jørgensen, JR; Parish, CL; Thompson, LH; (2016) Over-Expression of Meteorin Drives Gliogenesis Following Striatal Injury. Frontiers in Cellular Neuroscience , 10 , Article 177. 10.3389/fncel.2016.00177. Green open access

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Abstract

A number of studies have shown that damage to brain structures adjacent to neurogenic regions can result in migration of new neurons from neurogenic zones into the damaged tissue. The number of differentiated neurons that survive is low, however, and this has led to the idea that the introduction of extrinsic signaling factors, particularly neurotrophic proteins, may augment the neurogenic response to a level that would be therapeutically relevant. Here we report on the impact of the relatively newly described neurotrophic factor, Meteorin, when over-expressed in the striatum following excitotoxic injury. Birth-dating studies using bromo-deoxy-uridine (BrdU) showed that Meteorin did not enhance injury-induced striatal neurogenesis but significantly increased the proportion of new cells with astroglial and oligodendroglial features. As a basis for comparison we found under the same conditions, glial derived neurotrophic factor significantly enhanced neurogenesis but did not effect gliogenesis. The results highlight the specificity of action of different neurotrophic factors in modulating the proliferative response to injury. Meteorin may be an interesting candidate in pathological settings involving damage to white matter, for example after stroke or neonatal brain injury.

Type: Article
Title: Over-Expression of Meteorin Drives Gliogenesis Following Striatal Injury
Location: Switzerland
Open access status: An open access version is available from UCL Discovery
DOI: 10.3389/fncel.2016.00177
Publisher version: http://doi.org/10.3389/fncel.2016.00177
Language: English
Additional information: © 2016 Wright, Ermine, Jørgensen, Parish and Thompson. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Keywords: GDNF, brain repair, forebrain injury, neurogenesis, oligodendrogenesis, striatum
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Medicine > Wolfson Inst for Biomedical Research
URI: https://discovery.ucl.ac.uk/id/eprint/10043956
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