Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"PYY"”.
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The role of PYY in regulating energy balance and glucose homeostasis
Peptide YY (PYY) is a gut-derived hormone that is renowned for its effects on satiety. Reduced satiety in obese people has been attributed to low fasting and postprandial PYY levels. However, it has not been determined whether low PYY levels are the cause or the outcome of obesity. Moreover, the …
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Isolation and Characterization of Regulatory Peptides from Two Tetraploid Species, the Pallid Sturgeon, Scaphirhynchus albus, and the African Clawed Frog, Xenopus laevis
… three forms of peptide tyrosine-tyrosine (PYY), and two forms of vasoactive intestinal peptide (VIP) were isolated from gastroenteropancreatic (GEP) tissue of the pallid sturgeon, Scaphirhynchus albus. Two forms of gastrin-releasing peptide (GRP), neuromedin C, two forms of PYY, …
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Changes in gastrointestinal hormones, leptin, and satiety after gastric bypass surgery
… that the satiety promoting hormones, GLP-1 and PYY increase after RYGB, while the orexigenic GI hormone ghrelin and the adipocytokine leptin decrease. These changes generally occur before substantial weight loss, suggesting that a component of the surgery is responsible. Subjective satiety has …
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Transposición ileal preduodenal (pdit) en rata wistar. Implicaciones fisiopatológicas en el metabolismo hidrocarbonado en un modelo de roedor no diabético
… Peptide-1 (GLP-1), Peptide Tyrosine-Tyrosine (PYY) y Gastric Inhibitory Polypeptide (GIP). En este sentido, la cirugía de transposición ileal (IT), responsable de la secreción alterada de estas hormonas intestinales como consecuencia del tránsito temprano de nutrientes en dicho segmento, …
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Delayed gastric emptying in Ivor Lewis Gastro-oesophagectomy
… and peptide tyrosine tyrosine(PYY), were conducted based on DGE status and treatment. Post-operative DGE-related symptoms(PODRS) were assessed using a modified questionnaire. The algorithm had sensitivity of 100.0%, and specificity of 80.0%. 16.9% of patients with BOTOX compared …
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The Effect of Physical Activity on the Insulin Response to Frequent Meals
… for serum glucose, insulin, c-peptide, total PYY concentrations, and subjective appetite ratings; as well as insulin pulsatility were determined. Results: No significant differences in baseline glucose, insulin or c-peptide concentrations across study days were observed (P>0.05). Glucose AUC …
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NESFATIN-1 AND NESFATIN-1-LIKE PEPTIDE: NUCLEOBINDIN-1/2-ENCODED INSULINOTROPIC AND ENTEROTROPIC PEPTIDES
… insulinotropic polypeptide (GIP), peptide YY (PYY) and cholecystokinin (CCK) secreted by intestinal mucosal cells. Since both nesfatin-1 and intestinal hormones modulate insulin secretion, nesfatin-1 could regulate intestinal hormones to elicit its insulinotropic action. Nucleobindin-1 …
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Folding, dynamics and interaction studies of the Neuropeptide Y family.
… detailed molecular modeling of human peptide YY (PYY) were investigated. These studies employed a combination of experiment and simulation to characterize the two most important members of the neuropeptide Y family. The formation of secondary structures is one of the most fundamental processes in …
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The role of the free fatty acid, lauric acid, in appetite regulation and its potential as an appetite-suppressant.
… gastrointestinal hormones; ghrelin, peptide YY (PYY), glucagon-like peptide-2 (GLP-2) and pancreatic polypeptide (PP). C12, but not C10, markedly stimulated the secretion of PYY and GLP-2 and suppressed ghrelin secretion, while both C12 and C10 slightly increased PP secretion. The effects of …
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Influence of cyclic changes in ovarian hormones on resting metabolic rate and appetite in women
… the LPh. Finally, gastric emptying (GE) time and PYY response to a standardized breakfast changed significantly across the MC; the LPh had the fastest GE time and the smallest PYY response of all the phases. P4 and E2-P4 ratio were significantly correlated to GE time. The findings suggest that NC …
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Efeitos do consumo de amendoim na homeostase glicêmica e na ingestão alimentar em mulheres com predisposição ao diabetes mellitus
… e GLP-1), no controle hormonal do apetite (CCK e PYY), na percepção subjetiva do apetite e na ingestão alimentar em mulheres obesas com elevado risco de desenvolvimento da diabetes mellitus tipo 2. Trata-se de um ensaio clínico randomizado cruzado, em que 15 mulheres participaram de 3 etapas …
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Endogenous glucagon-cells are necessary for the glucose-responsiveness of the HIT-T15 hamster β-cell line
… polypeptide (PP) and peptide-tyrosine-tyrosine (PYY). Staining was positive for all peptide hormones tested except somatostatin, secretin and GIP. Insulin, glucagon and PYY were the dominant peptides. Double staining of HIT-T15 cells for insulin and glucagon demonstrated colocalization of both …
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Short Chain Fatty Acids Signaling through the G Protein-Coupled Receptor GPR41 in the Intestine.
… +/+ littermates, fail to induce the release of PYY, an enteroendocrine cell derived hormone that limits food intake and inhibits gut motility, into plasma. We also show that an acute oral administration of SCFAs increases circulating PYY levels in the wild type but not the Gpr41 knock out mice. …
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The metabolic sequelae of oesophago-gastric resection
… satiety and incretin gut hormones (GLP-1, GIP, PYY) and insulin, followed by hypoglycaemia in a cohort of patients. Continuous glucose monitoring of gastrectomy participants over two weeks of normal lifestyle identified an increased incidence of day and night time hypoglycaemia. RNAseq and mass …
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Regulation of Energy Balance by Dietary Protein
… of high-protein diets, with the increased PYY signaling and reduced diet preference mediating this reduction in energy intake, but not thermogenesis. Finally, although there were inherent differences in plasma concentrations of metabolic hormones between lean, overweight and diabetic cats, …
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Ensayo clínico controlado y aleatorizado de eficacia de un ingrediente natural sobre la regulación del apetito, perfil glucídico, lipídico y cambios antropométricos en pacientes con sobrepeso/obesidad grado I
… leptina, grelina, adiponectina, GLP-1 y PYY). Como resultados obtenidos en el estudio se observó una disminución de la sensación de apetito en el tratamiento con Lc-Hs, mostrando un mayor cociente de saciedad los sujetos que habían consumido el producto experimental (Pla = 3,36 ± 2,33% mm …
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Characterisation of L-cell secretory mechanisms and colonic enteroendocrine cell subpopulations
… II and AVP stimulated INSL5, GLP-1 and PYY but not NTS secretion, correlating with selective expression profiles of the cognate receptors in the L-cell subpopulations. In summary, the work presented suggests that different L-cell subpopulations exist that respond to different stimuli, …
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Novel nutrient based approaches for appetite regulation and obesity
… peptide 1 (GLP-1) and peptide tyrosine tyrosine (PYY) secretion with RP treatment vs all other conditions at 6.25 mg/mL protein digestate exposure following four hours of treatment. Appetite hormone secretion with PP treatment (6.25 mg/mL) was also significantly higher vs WP. However, treatment …
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Peripheral alterations underlying the negative effects of a cafeteria diet on brain and behaviour: exercise as a mitigating strategy
… observed in males. Exercise-induced increased PYY potentially contributed to anxiolytic effects of exercise, and a CAF diet attenuating exercise-induced increased GLP-1 possibly explained the blunting of neurogenic effects of exercise. Attenuation of CAF diet-induced increased leptin and …
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Assessment of blue whiting protein hydrolysate bioactivities using cell culture models
… (GLP-1), cholecystokinin (CCK) and peptide YY (PYY) in STC-1 cells was studied as well as the signalling pathway activated by BWSPHs to modulate the secretion of these hormones. All BWSPHs (BW-SPH-A to BW-SPH-F) (1.0%, w/v dw) increased active GLP-1 secretion and proglucagon production in STC-1 …