نتایج جستجو برای: ghrelin
تعداد نتایج: 5775 فیلتر نتایج به سال:
Ghrelin, a newly discovered bioactive peptide, is a natural endogenous ligand of the growth hormone (GH) secretagogue receptor and initially identified as a strong stimulant for the release of GH. Subsequent research has shown that ghrelin and its various receptors are ubiquitous in many other organs and tissues. Moreover, they participate in the regulation of appetite, energy, bodyweight, meta...
PURPOSE Ghrelin has been shown to have antiepileptic function. However, the underlying mechanisms by which, ghrelin exerts its antiepileptic effects are still unclear. In the present study; we investigated antiepileptic mechanism of ghrelin through GABAB receptors using CGP35348 (selective GABAB receptor antagonist). METHODS Male Wistar rats' hippocampi were bilaterally microinjected with the...
Vagal nerve injury may occur in esophageal and gastric surgeries. The aim of this study was to observe the effects of ghrelin on small intestinal motility upon vagal nerve injury and the possible co-relationship between changes in ghrelin receptor expression in the small intestine and delayed small intestinal transit after vagotomy. The effects of intraperitoneal administration of ghrelin (20, ...
Ghrelin, an endogenous ligand for the GH secretagog receptor, is predominantly produced in the stomach. It has been reported that endogenous ghrelin levels are increased by fasting and decreased after refeeding. It has also been reported that estrogen upregulates ghrelin expression and production and that somatostatin inhibits ghrelin secretion, whereas leptin has a paradoxical effect. Recently...
Ghrelin and obestatin are two proteins that originate from post-translational processing of the preproghrelin peptide. Various authors claim an opposed role of ghrelin and obestatin in several systems. Preproghrelin mRNA is significantly expressed in airway epithelium throughout lung development, predominantly during the earliest stages. The aim of this study was to evaluate the role of ghrelin...
introduction there is an agreement that eating disorder is related to psychological characteristics and on the other hand, level of ghrelin hormone, intercellular adhesion molecule-1 (icam-1) and e-selection also change during eating disorders. we aimed to study the relationship between eating disorders and rest levels, icam-1, e-selection, and ghrelin hormone in obese people. materials and met...
The peptide hormone ghrelin is the only known protein modified with an O-linked octanoyl side group, which occurs on its third serine residue. This modification is crucial for ghrelin's physiological effects including regulation of feeding, adiposity, and insulin secretion. Despite the crucial role for octanoylation in the physiology of ghrelin, the lipid transferase that mediates this novel mo...
BACKGROUND Ghrelin is a 28-amino acid octanolyated peptide, synthesised primarily in the stomach. It stimulates growth hormone release, food intake and exhibits many other diverse effects. Our group have previously determined that ghrelin inhibited human contractility in vitro. The aim of this study therefore, was to investigate the expression of ghrelin, its receptor, the growth hormone secret...
conclusions urinary ghrelin concentration was lower before treatment of uti and significantly increased after cessation of inflammation. further studies are required for more definite results. patients and methods this study was performed on 40 hospitalized children with uti at mofid children’s hospital during years 2013 to 2014. ghrelin and creatinine were measured before and after treatment. ...
background: testicular torsion is a medical emergency that requires surgical intervention to reperfuse the affected testis. ischemia reperfusion injury is usually associated with proinflammatory cytokine generation and apoptosis of germ cells in the testes.objective: in this study we investigate the effect of ghrelin on the proinflammatory cytokines levels and germ cell apoptosis in testicular ...
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