Optogenetic Investigation Of Brain Network Dysfunction In Alzheimer?s Disease | 21921
Journal of Alzheimers Disease & Parkinsonism
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The dominant hypothesis in the Alzheimer?s field is that protein deposition of amyloid-beta and phosphorylated tau are the
cause of this brain disease. This has led to the development of many therapeutic strategies aimed at disrupting amyloidbeta
and phosphorylated tau depositions, albeit with limited success, suggesting a lack of fundamental understanding of the
molecular etiology of Alzheimer?s disease and other related dementia. In this regard, we have found that phosphorylated tau
plays an important part in synaptic function by promoting synaptic depression. In addition, by using revolutionary methods
like optogenetics, we also found that brain network alterations happen before any sign of protein deposition. Here, we suggest
that phosphorylated tau protein at the synaptic terminal is aiming to restore the network balance that is lost at early stages of
the disease. In conclusion, our data suggest that studying the basic mechanism underlying memory formation and function will
help to elucidate the complexity of brain diseases. In consequence, new tools like optogenetics and computational modelling
may offer new therapeutic approaches aimed at restoring normal brain circuit functioning with superior prognosis.
Mondragon-Rodriguez Siddhartha graduated in Chemical Engineering from Michoacan University of Saint Nicolas of Hidalgo (UMICH) in 1996 - 2002. Master
Degree (MsC) in Molecular Biomedicine from National School of Medicine from the National Polytechnic Institute of Mexico City. PhD from Center of Research
and Advanced Studies of the National Politechnical Institute in August 2005 - August 2009. PosdoctoralFellow from Universite de Montreal. Faculte de Medecine,
Departament de physiologie., Montreal, Qc, Canada. Posdoctoral Position in McGill University.
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