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. 2013 Mar 18;8(3):e59625. doi: 10.1371/journal.pone.0059625

Figure 1. ICV leptin increased pSTAT3 in OXT neurons of the PVN in fasted control rats.

Figure 1

Left and right upper sets of panels depict low magnification photomicrographs of the anterior, medial and posterior parts of the PVN in fasted control rats treated with vehicle or leptin, respectively. Red fluorescent and brown signals label NPI-IR and pSTAT3-IR cells, respectively. Double pSTAT3/NPI-IR cells are shown in the merge panels. Bottom set of panels show high magnification photomicrographs of area marked in low magnification images; arrows point to dual-labeled cells. Scale bars: 50 µm (Upper panels), 20 µm (Bottom panels).