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Title
Modeling of Zinc Dynamics in the Synaptic Cleft : Implications for Cadherin Mediated Adhesion and Synaptic Plasticity
AuthorWolf, Christoph ; Weth, Agnes ; Walcher, Sebastian ; Lax, Christian ; Baumgartner, Werner
Published in
Frontiers in Molecular Neuroscience, 2018,
PublishedFrontiers Research Foundation, 2018
LanguageEnglish
Document typeJournal Article
Keywords (EN)cadherins / synaptic plasticity / zinc / analytical model / diffusion / synaptic cleft / long-term potentiation
ISSN1662-5099
URNurn:nbn:at:at-ubl:3-1120 Persistent Identifier (URN)
DOI10.3389/fnmol.2018.00306 
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 The work is publicly available
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Modeling of Zinc Dynamics in the Synaptic Cleft [2.12 mb]
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Abstract (English)

While the numerous influences of synaptically released zinc on synaptic efficiency during long-term potentiation have been discussed by many authors already, we focused on the possible effect of zinc on cadherins and therefore its contribution to morphological changes in the context of synaptic plasticity. The difficulty with gaining insights into the dynamics of zinc-cadherin interaction is the inability to directly observe it on a suitable timescale. Therefore our approach was to establish an analytical model of the zinc diffusion dynamics in the synaptic cleft and experimentally validate, if the theoretical concentrations at the periphery of the synaptic cleft are sufficient to significantly modulate cadherin-mediated adhesion. Our results emphasize, that synaptically released zinc might have a strong accelerating effect on the morphological changes involved in long-term synaptic plasticity. The approach presented here might also prove useful for investigations on other synaptically released trace metals.

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CC-BY-License (4.0)Creative Commons Attribution 4.0 International License