{"id":79813,"date":"2006-05-05T00:00:00","date_gmt":"2006-05-05T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/el-papel-de-la-ghrelina-en-la-senalizacion-orexigenica-mediada-por-la-disponbilidad-de-glucosa\/"},"modified":"2006-05-05T00:00:00","modified_gmt":"2006-05-05T00:00:00","slug":"el-papel-de-la-ghrelina-en-la-senalizacion-orexigenica-mediada-por-la-disponbilidad-de-glucosa","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/metabolismo-energetico\/el-papel-de-la-ghrelina-en-la-senalizacion-orexigenica-mediada-por-la-disponbilidad-de-glucosa\/","title":{"rendered":"El papel de la ghrelina en la se\u00f1alizacion orexigenica mediada por la disponbilidad de glucosa"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Edwards Andrew Solomon <\/strong><\/h2>\n<p>Body weight maintenance and appetite depends on a central regulatory system through hypothalamic and extranypothalamic regions, as well as through peripheral control. The interplay between these two systems is mediated by neuronal connections, hormones, neuropeptides (npy, agrp, orexin, mch, pomc, cart, crh&#8230;) And nutrient derived sign\u00e1is \u00ed\u00a7glucose avai 1 abi 1 ity). Ghre\u00edin, a 28-acylated amino\u00ed\u00a0cid orexigenic peptide isolated from the stomach, is an endogenous \u00abligand of the secretagogue growth hormone receptor, which has been related to food intake and homeostasis. The aims of this study were to assess potential ghrelin interactions with glucose levels administering insulin and 2-deoxyglucose in appetite control and to identify potential mechanisms involving orexigenic\/anorexigenic peripheral ghrelin mediated sign\u00e1is by using a specific anti-ghrelin antibody (aga). Employing immunohistochemistry techniques, we examined the c-fos expression in different hypothalamic areas and neurons. Peripheral blockade ghrelin significantly decreased food intake as induced from acute hypoglycemia (insulin) and glucopenia (2-dg). Also, the conjoint aga and insulin or 2-dg administration produced an interactive effect of the glucostatic pathways involving the lh and vmh areas with the ghrelin signaling, specifically through orexin neurons. Furthermore, c-fos positive crh neurons and cart expression increased in the pvn, implying that peripheral ghrelin plays an important role in reguiatory \u00abglucostatic\u00bb feeding mechanisms due to its role as a \u00abhunger\u00bb signal, which may contribute to energy homeostasis through both orexigenic\/anorexigenic pathways. Finally, our results suggest that the nts is a part of the ghrelin pathway that regulates the signalling cascade, which may be triggered by a drop in glucose levels.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>El papel de la ghrelina en la se\u00f1alizacion orexigenica mediada por la disponbilidad de glucosa<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 El papel de la ghrelina en la se\u00f1alizacion orexigenica mediada por la disponbilidad de glucosa <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Edwards Andrew Solomon <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/05\/2006<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jos\u00e9 Alfredo Martinez Hernandez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda  pilar Fernandez otero <\/li>\n<li>enrique Echeverria orella (vocal)<\/li>\n<li>Ana Mar\u00eda Lopez sobaler (vocal)<\/li>\n<li>joaqu\u00edn Jord\u00e1n bueso (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Edwards Andrew Solomon Body weight maintenance and appetite depends on a central regulatory system through hypothalamic and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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