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Title: | GSK3 is involved in the relief of mitochondria pausing in a tau-dependent manner. |
Author: | Llorens Martín, M. López Doménech, Guillermo Soriano García, Eduardo Avila, Jesús |
Keywords: | Glicogen Malaltia de Parkinson Malalties del sistema nerviós Glycogen Parkinson's disease Nervous system Diseases |
Issue Date: | 14-Nov-2011 |
Publisher: | Public Library of Science (PLoS) |
Abstract: | Mitochondrial trafficking deficits have been implicated in the pathogenesis of several neurological diseases, including Alzheimer's disease (AD). The Ser/Thre kinase GSK3β is believed to play a fundamental role in AD pathogenesis. Given that GSK3β substrates include Tau protein, here we studied the impact of GSK3β on mitochondrial trafficking and its dependence on Tau protein. Overexpression of GSK3β in neurons resulted in an increase in motile mitochondria, whereas a decrease in the activity of this kinase produced an increase in mitochondria pausing. These effects were dependent on Tau proteins, as Tau (−/−) neurons did not respond to distinct GSK3β levels. Furthermore, differences in GSK3β expression did not affect other parameters like mitochondria velocity or mitochondria run length. We conclude that GSK3B activity regulates mitochondrial axonal trafficking largely in a Tau-dependent manner. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.1371/journal.pone.0027686 |
It is part of: | PLoS One, 2011, vol. 6, num. 11, p. e27686 |
URI: | http://hdl.handle.net/2445/43195 |
Related resource: | http://dx.doi.org/10.1371/journal.pone.0027686 |
ISSN: | 1932-6203 |
Appears in Collections: | Articles publicats en revistes (Biologia Cel·lular, Fisiologia i Immunologia) |
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