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Figure 4 | BMC Neuroscience

Figure 4

From: Distribution of plasma membrane-associated syntaxins 1 through 4 indicates distinct trafficking functions in the synaptic layers of the mouse retina

Figure 4

Syntaxin 3 is associated with the glutamatergic ribbon synapses of photoreceptors and bipolar cells. A–C: Labeling for syntaxin 3 and VGLUT1, a marker for ribbon synapses, colocalize extensively in the photoreceptor terminals in the OPL and in bipolar cell terminals in the IPL. Box indicates area shown in panels D–F. D–F: Examination of syntaxin 3 and VGLUT1 immunolabeling in the IPL at higher magnification confirms that all bipolar cell terminals contain syntaxin 3. Images shown are from a single optical section. IS, inner segments; ONL, Outer nuclear layer; INL, inner nuclear layer, GCL, ganglion cell layer. Scale bars = 20 μm for A–C; 10 μm for D–F.

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BMC Neuroscience

ISSN: 1471-2202

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