| pubmed-article:16087729 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0027882 | lld:lifeskim |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0020663 | lld:lifeskim |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0027893 | lld:lifeskim |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0537521 | lld:lifeskim |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0443199 | lld:lifeskim |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0038444 | lld:lifeskim |
| pubmed-article:16087729 | lifeskim:mentions | umls-concept:C0851285 | lld:lifeskim |
| pubmed-article:16087729 | pubmed:issue | 1 | lld:pubmed |
| pubmed-article:16087729 | pubmed:dateCreated | 2005-8-9 | lld:pubmed |
| pubmed-article:16087729 | pubmed:abstractText | Stress affects eating behaviour in rodents and humans, suggesting that the regulation of energy balance and the stress response are coupled physiological processes. Neuropeptide Y (NPY) and agouti-related protein (AgRP) are potent food-stimulating neuropeptides that are highly co-localised in arcuate nucleus neurons of the hypothalamus. Recent studies have shown that NPY and AgRP mRNA levels in these neurons respond similarly to fasting and leptin, indicating functional redundancy of the neuropeptide systems in these orexigenic neurons. However, we have found that NPY and AgRP mRNA expression in arcuate nucleus neurons are dissociated immediately following a stressful event. Two hours following a brief session of inescapable foot shocks, AgRP mRNA levels are down-regulated (P < 0.0001). In contrast, NPY mRNA levels are up-regulated (P < 0.0001). To provide physiological relevance for this acute down-regulation of AgRP, an inverse agonist of melanocortin receptors, we have shown that acute intracerebroventricular injection of a melanocortin receptor agonist, alpha-melanocyte-stimulating hormone (alpha-MSH), caused a significantly stronger activation of the hypothalamus-pituitary-adrenal-cortical (HPA) axis following a stressful event than in controls. Thus, AgRP and NPY mRNA levels in similar arcuate nucleus neurons are differentially regulated following a stressful event. This may contribute to increased sensitivity for alpha-MSH to activate the HPA axis following a repeated stressful experience. | lld:pubmed |
| pubmed-article:16087729 | pubmed:language | eng | lld:pubmed |
| pubmed-article:16087729 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:16087729 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:16087729 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:16087729 | pubmed:month | Aug | lld:pubmed |
| pubmed-article:16087729 | pubmed:issn | 0952-5041 | lld:pubmed |
| pubmed-article:16087729 | pubmed:author | pubmed-author:WiegantVictor... | lld:pubmed |
| pubmed-article:16087729 | pubmed:author | pubmed-author:HaanstraJurge... | lld:pubmed |
| pubmed-article:16087729 | pubmed:author | pubmed-author:BruijnzeelAdr... | lld:pubmed |
| pubmed-article:16087729 | pubmed:author | pubmed-author:AdanRoger A... | lld:pubmed |
| pubmed-article:16087729 | pubmed:author | pubmed-author:KasMartien... | lld:pubmed |
| pubmed-article:16087729 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:16087729 | pubmed:volume | 35 | lld:pubmed |
| pubmed-article:16087729 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:16087729 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:16087729 | pubmed:pagination | 159-64 | lld:pubmed |
| pubmed-article:16087729 | pubmed:dateRevised | 2011-8-3 | lld:pubmed |
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| pubmed-article:16087729 | pubmed:year | 2005 | lld:pubmed |
| pubmed-article:16087729 | pubmed:articleTitle | Differential regulation of agouti-related protein and neuropeptide Y in hypothalamic neurons following a stressful event. | lld:pubmed |
| pubmed-article:16087729 | pubmed:affiliation | Department of Pharmacology and Anatomy, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, 3584 CG Utrecht, The Netherlands. m.j.h.kas@med.uu.nl | lld:pubmed |
| pubmed-article:16087729 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:16087729 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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