Over-Expression of Meteorin Drives Gliogenesis Following Striatal Injury
AuthorWright, JL; Ermine, CM; Jorgensen, JR; Parish, CL; Thompson, LH
Source TitleFrontiers in Cellular Neuroscience
PublisherFRONTIERS MEDIA SA
University of Melbourne Author/sParish, Clare; Thompson, Lachlan; Wright, Jordan; Ermine, Charlotte
AffiliationFlorey Department of Neuroscience and Mental Health
Anatomy and Neuroscience
Document TypeJournal Article
CitationsWright, J. L., Ermine, C. M., Jorgensen, J. R., Parish, C. L. & Thompson, L. H. (2016). Over-Expression of Meteorin Drives Gliogenesis Following Striatal Injury. FRONTIERS IN CELLULAR NEUROSCIENCE, 10 (JULY), https://doi.org/10.3389/fncel.2016.00177.
Access StatusOpen Access
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.
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