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Fasting-induced increase of c-Fos levels in the PVH is impaired in WT mice centrally treated with the GHSR blocker K-(D-1-Nal)-FwLL-NH2.(A, B) Representative photomicrographs of the ARC and PVH coronal sections, respectively, of WT mice ICV-treated with vehicle or with the GHSR blocker K-(D-1-Nal)-FwLL-NH2 in each experimental group, subjected to chromogenic immunostaining against c-Fos.2
