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Nodes of Ranvier

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cell590 wordssynced 2026-04-02

Nodes of Ranvier in Neurodegeneration

<table class="infobox infobox-cell">
<tr>
<th class="infobox-header" colspan="2">Nodes of Ranvier</th>
</tr>
<tr>
<td class="label">Component</td>
<td>Function</td>
</tr>
<tr>
<td class="label">Nav1.6</td>
<td>Depolarization</td>
</tr>
<tr>
<td class="label">Ankyrin-G</td>
<td>Scaffold</td>
</tr>
<tr>
<td class="label">Caspr2</td>
<td>Organization</td>
</tr>
<tr>
<td class="label">Contactin</td>
<td>Myelin contact</td>
</tr>
<tr>
<td class="label">Transport Protein</td>
<td>Function</td>
</tr>
<tr>
<td class="label">Kinesin</td>
<td>Anterograde</td>
</tr>
<tr>
<td class="label">Dynein</td>
<td>Retrograde</td>
</tr>
<tr>
<td class="label">JIP3</td>
<td>Kinesin adaptor</td>
</tr>
<tr>
<td class="label">BICD2</td>
<td>Dynactin complex</td>
</tr>
<tr>
<td class="label">Target</td>
<td>Agent</td>
</tr>
<tr>
<td class="label">Sodium channels</td>
<td>Riluzole</td>
</tr>
<tr>
<td class="label">Neurotrophins</td>
<td>BDNF</td>
</tr>
<tr>
<td class="label">Cytoskeleton</td>
<td>Cytoskeletal stabilizers</td>
</tr>
<tr>
<td class="label">Transport</td>
<td>Axonal transport enhancers</td>
</tr>
</table>

Overview

Nodes of Ranvier are regular gaps in the myelin sheath where action potentials are regenerated via voltage-gated sodium channels. These specialized axonal regions are particularly vulnerable in neurodegenerative diseases[@nodes2024].

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