نتایج جستجو برای: paraventricular hypothalamic nucleus
تعداد نتایج: 137614 فیلتر نتایج به سال:
Quantitative autoradiographic localization of prostaglandin E2 binding sites in monkey diencephalon.
Quantitative autoradiography was performed to investigate the mapping of prostaglandin E2 binding sites in the Macaca fuscata fuscata diencephalon. Autoradiographs were prepared by incubation of 10-micron-thick serial frozen sections with 3H-prostaglandin E2 and were processed by using a rotating drum-scanner and a computer-assisted image-processing system with 3H-microscales as standards. The ...
Opioid agonists and antagonists respectively increase and decrease food intake. That selective mu opioid antagonists are more effective than antisense probes directed against the mu opioid receptor (MOR-1) gene in reducing deprivation-induced feeding suggests a role for isoforms. Both food restriction and deprivation alter protein and mRNA levels of opioid peptides and receptors. Antisera direc...
The brain renin-angiotensin system (bRAS) is involved in the control of hydromineral balance. However, little information is available on the functional regulation of the bRAS as a consequence of sodium deficit in the extracellular fluid compartments. We used a pharmacological model of acute Na depletion (furosemide injections) to investigate changes of a major component of the bRAS, the hypoth...
A number of candidate mammalian prohormone processing enzymes related to the yeast Kex2 endoprotease have been cloned and demonstrated to cleave several prohormone precursors at single, pairs and tetra basic amino acid processing sites. We have mapped the distribution of the mRNAs encoding two of these endoproteases in adult rat brain. SPC3 message levels showed a more restricted distribution a...
Using radioactive in situ hybridisation, the distribution of prodynorphin mRNA in the brains of C57Bl/6 mice was systemically investigated, and double-labelling in situ hybridisation was used to determine the extent to which neuropeptide Y (NPY) and prodynorphin mRNAs were co-expressed. Our results demonstrate that prodynorphin mRNA expression in the mouse brain is localised at specific subregi...
INTRODUCTION Ghrelin and cannabinoids stimulate appetite, this effect possibly being mediated by the activation of hypothalamic AMP-activated protein kinase (AMPK), a key enzyme in appetite and metabolism regulation. The cannabinoid receptor type 1 (CB1) antagonist rimonabant can block the orexigenic effect of ghrelin. In this study, we have elucidated the mechanism of the putative ghrelin-cann...
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