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behavior. In the first study we evaluated the effects of peripheral insulin injections (1 U/kg.day, sc) on NPY levels in seven hypothalamic nuclei in food-deprived (FD) and ad libitum-fed rats . Whereas food ...
behavior. In the first study we evaluated the effects of peripheral insulin injections (1 U/kg.day, sc) on NPY levels in seven hypothalamic nuclei in food-deprived (FD) and ad libitum-fed rats . Whereas food ...
. For example, the expression of prepro‐ NPY mRNA in the hypothalamic arcuate and dorsomedial nuclei is increased in lactation (3–7 ). Moreover, in lactating animals, NPY peptide concentrations ( 8, 9 ...
receptor ligand, did not cause comparable destruction in the ARC. NPY cell bodies in the ARC contribute importantly to the innervation of hypothalamic nuclei (7, 8). Although immunoreactive NPY terminals ...
expression in saline-, NPY -, and AgRP-treated animals 2 h after injection are depicted in Fig. 2. Figure 1. Open in new tabDownload slide Mean c-Fos-like immunoreactive nuclei in brain sites of rats injected ...
(Fig. 7E). Fig. 7 Open in new tabDownload slide Treatment with MSG decreased NPY neurons in the ARC, but not the DMN. In the ARC, MSG-injected rats (B) showed diminished NPY -containing cells compared ...
the three sections from each rat was chosen for the analysis. In the hypothalamic cultures, the total sum of OD signals in the bilateral arcuate nuclei in three explants from each rat was used ...
was microinjected bilaterally into one of four hypothalamic sites in female rats . Leptin transgene expression in the ventromedial nucleus and paraventricular nucleus induced comparable decreases in daily food intake ...
. THE EFFECT OF fasting on circulating GH levels is species dependent. In male rats , fasting results in progressive suppression of GH pulse amplitude, associated with a decrease in expression of hypothalamic ...
). Within the hypothalamus, NPY is produced most abundantly in the arcuate nucleus (ARC), which innervates virtually the entire hypothalamus, including the paraventricular nucleus (PVN) and dorsomedial nuclei ...
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