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. 2013 Oct 1;7:153. doi: 10.3389/fncir.2013.00153

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Copyright © 2013 Fogarty, Hammond, Kanjhan, Bellingham and Noakes.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Excitatory and inhibitory immuno-labels do not substantially overlap when localized to motor neurons. (A) shows the co-localization (within 1 μm) of post-synaptic excitatory PSD-95 (purple) and inhibitory GABA-A receptor subunit α1 (green) on a Neurobiotin = filled hypoglossal motor neuron (gray). Only 15% of all PSD-95 spots are co-localized with a GABA-A receptor subunit α1 puncta. (B) shows the co-localization (within 1 μm) of pre-synaptic excitatory VGLUT2 (purple) and inhibitory VGAT (green) within 1 μm from the surface of a Neurobiotin = filled hypoglossal motor neuron (gray). Note that less than 10% of all VGLUT2 terminal boutons are co-localized with VGAT terminals. Scale bar: 5 μm.