Figure EV4. Co‐localization between SERT and markers of the secretory pathway.

• A–E
  Primary rat dorsal raphe neurons were cultured and fixed as for Fig EV3 and subjected to immunofluorescence with the indicated antibodies. Confocal images were captured on a Nikon A1 laser scanning confocal microscope at 60× magnification. White boxes in merged image indicate zoomed area in the lower left corner. Scale bars represent 20 μm in full‐size images and 2 μm in zoomed areas.