 title="" class="an ">&ensp;</span>root <span  title="" class="an ">&ensp;</span>stimulation <span  title="" class="an ">&ensp;</span>evoked <span  title="" class="an ">&ensp;</span>release <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span><span  title="ProteinName" class="an ProteinName">Glu</span><span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>Asp <span  title="" class="an ">&ensp;</span>by <span  title="" class="an ">&ensp;</span>ta