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Satiety hormons

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https://www.readbyqxmd.com/read/28747384/feeding-releases-endogenous-opioids-in-humans
#1
Jetro J Tuulari, Lauri Tuominen, Femke de Boer, Jussi Hirvonen, Semi Helin, Pirjo Nuutila, Lauri Nummenmaa
The endogenous opioid system supports a multitude of functions related to appetitive behaviour and feeding in humans and animals, and it has been proposed to support hedonic aspects of feeding thus contributing to development of obesity. Here we used positron emission tomography (PET) to investigate whether feeding results in hedonia-dependent endogenous opioid release in humans. Ten healthy males were recruited for the study. They were scanned with mu-opioid specific ligand [(11)C]carfentanil three times: following a palatable meal, a non-palatable meal, and after an overnight fast...
July 26, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28735851/assessing-beans-as-a-source-of-intrinsic-fiber-on-satiety-in-men-and-women-with-metabolic-syndrome
#2
Elizabeth J Reverri, Jody M Randolph, C Tissa Kappagoda, Eunyoung Park, Indika Edirisinghe, Britt M Burton-Freeman
Dietary fiber is well-known for its satiety inducing properties. Adding fibers to mixed dishes is one way to increase fiber intake. However, adding fibers to foods versus including foods inherently containing fiber may reveal differing effects on satiety. The present study aimed to explore the satiety effects of adding fiber to a mixed meal versus using beans (Phaseolus vulgaris) as a source of intrinsic fiber in the meal. In this pilot study, 12 men and women with metabolic syndrome were randomly assigned to eat three standard meals in a crossover design on three different occasions that contained either no added fiber (control (NF)), extrinsic or added fiber (AF), or whole black beans as the source of intrinsic fiber (BN)...
July 20, 2017: Appetite
https://www.readbyqxmd.com/read/28685026/cholecystokinin-induced-satiety-a-key-gut-servomechanism-that-is-affected-by-the-membrane-microenvironment-of-this-receptor
#3
REVIEW
A J Desai, M Dong, K G Harikumar, L J Miller
The gastrointestinal (GI) tract has a central role in nutritional homeostasis, as location for food ingestion, digestion and absorption, with the gut endocrine system responding to and regulating these events, as well as influencing appetite. One key GI hormone with the full spectrum of these activities is cholecystokinin (CCK), a peptide released from neuroendocrine I cells scattered through the proximal intestine in response to fat and protein, with effects to stimulate gall bladder contraction and pancreatic exocrine secretion, to regulate gastric emptying and intestinal transit, and to induce satiety...
December 2016: International Journal of Obesity Supplements
https://www.readbyqxmd.com/read/28682225/-involvement-of-gut-bacteria-in-appetite-control
#4
Sergueï O Fetissov
Animals perceive alternating feelings of hunger and satiety, which constitute their daily rhythms of appetite and drive their feeding behavior. In humans, these rhythms include the onset of satiety about 20 min after meal ingestion and a duration of satiety of about 5 h followed by hunger, triggering food seeking and intake. Molecular mechanisms underlying such appetite cycles involve secretion of intestinal satiety hormones and corresponding activation of the brain anorexigenic and feeding reward pathways...
2017: Biologie Aujourd'hui
https://www.readbyqxmd.com/read/28677657/biscuits-with-no-added-sugar-containing-stevia-coffee-fibre-and-fructooligosaccharides-modifies-%C3%AE-glucosidase-activity-and-the-release-of-glp-1-from-hutu-80-cells-and-serotonin-from-caco-2-cells-after-in-vitro-digestion
#5
Nuria Martinez-Saez, Christina Maria Hochkogler, Veronika Somoza, Maria Dolores Del Castillo
This study assessed the in vitro effects of the bioaccessible food components released during the simulated human digestion of a coffee fibre-containing biscuit (CFB) on α-glucosidase activity, antioxidant capacity and satiety hormones. Digest of CFB presented a significantly (p < 0.05) lower amount of sugar (68.6 mg/g) and a higher antioxidant capacity (15.1 mg chlorogenic acid eq./g) than that of a sucrose-containing biscuit (SCB). The CFB significantly reduced (p < 0.05) α-glucosidase activity (IC50 = 3...
July 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28677623/acute-consumption-of-resistant-starch-reduces-food-intake-but-has-no-effect-on-appetite-ratings-in-healthy-subjects
#6
Jorge L Ble-Castillo, Isela E Juárez-Rojop, Carlos A Tovilla-Zárate, Carlos García-Vázquez, Magda Z Servin-Cruz, Arturo Rodríguez-Hernández, Claudia I Araiza-Saldaña, Ana M Nolasco-Coleman, Juan C Díaz-Zagoya
Previous studies have shown the benefits of native banana starch (NBS) supplementation in improving glucose metabolism and reducing body weight (BW) in humans. However, the effect of this starch on appetite regulation is unknown. The aim of this study was to examine the effects of NBS rich resistant starch on subjective measurements of appetite, energy intake, and appetite hormones in healthy subjects. Postprandial glucose and insulin responses were also assessed. In a randomized, single-blind, crossover study, 28 healthy young subjects consumed a beverage containing either 40 g of NBS or 40 g of digestible corn starch (DCS) on two separate occasions...
July 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28676303/central-and-peripheral-administrations-of-insulin-like-growth-factor-1-suppress-food-intake-in-chicks
#7
Shoichi Fujita, Kazuhisa Honda, Daichi Hiramoto, Mei Gyu, Mika Okuda, Shungo Nakayama, Mika Yamaguchi, Takaoki Saneyasu, Hiroshi Kamisoyama
A number of studies have been made on the physiological actions of insulin-like growth factor-1 (IGF-1) in mammals and birds. In mammals, the effects of central administration of IGF-1 on food intake have been examined. For example, intracerebroventricular administration of IGF-1 significantly decreased food intake in diabetic rats, but not in sheep and nondiabetic rats. The chicken is known to be a hyperglycemic animal. Like satiety hormones, plasma IGF-1 levels are elevated postprandially in chickens. In this study, we hypothesized that IGF-1 is involved in the regulation of food intake in chickens...
July 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28674771/a-review-of-the-physiology-of-a-survival-expert-of-big-freeze-deep-snow-and-an-empty-stomach-the-boreal-raccoon-dog-nyctereutes-procyonoides
#8
REVIEW
Anne-Mari Mustonen, Petteri Nieminen
The raccoon dog (Nyctereutes procyonoides) is an invasive canid originating from eastern Asia. Here, we review its physiological adaptations to wintering, with an emphasis on northern Europe, where the raccoon dog spends the coldest part of the year in winter sleep. The timing of physiological changes related to wintering is connected to photoperiod by melatonin. In preparation to winter, raccoon dogs display autumnal hyperphagia and fattening probably regulated by the interaction of several peptide hormones...
July 4, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28669754/the-impact-of-gut-hormones-on-the-neural-circuit-of-appetite-and-satiety-a-systematic-review
#9
REVIEW
Davide Zanchi, Antoinette Depoorter, Laura Egloff, Sven Haller, Laura Mählmann, Undine E Lang, Jürgen Drewe, Christoph Beglinger, André Schmidt, Stefan Borgwardt
The brain-gut-axis is an interdependent system affecting neural functions and controlling our eating behaviour. In recent decades, neuroimaging techniques have facilitated its investigation. We systematically looked into functional and neurochemical brain imaging studies investigating how key molecules such as ghrelin, glucagon-like peptide-1 (GLP-1), peptide tyrosine-tyrosine (PYY), cholecystokinin (CCK), leptin, glucose and insulin influence the function of brain regions regulating appetite and satiety. Of the 349 studies published before July 2016 identified in the database search, 40 were included (27 on healthy and 13 on obese subjects)...
June 29, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28666375/role-of-peptide-yy3-36-and-glucose-dependent-insulinotropic-polypeptide-in-anorexia-induction-by-trichothecences-t-2-toxin-ht-2-toxin-diacetoxyscirpenol-and-neosolaniol
#10
Jie Zhang, Hui Jia, Qingqing Wang, Yajie Zhang, Wenda Wu, Haibin Zhang
Trichothecences, secondary metabolites produced by Fusarium, are serious health risks to humans and animals worldwide. Although type A trichothecence-induced food refusal has been observed, the mechanism underlying the anorexia caused by these compounds is not fully understood. In this study, we hypothesized that anorexia induced by type A trichothecenes, including T-2 toxin (T-2), HT-2 toxin (HT-2), diacetoxyscirpenol (DAS) and neosolaniol (NEO), in mice corresponds to the changes in the gut satiety hormones peptide YY3-36 (PYY3-36) and glucose-dependent insulinotropic polypeptide (GIP) in plasma...
June 28, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28645777/increased-food-intake-after-starvation-enhances-sleep-in-drosophila-melanogaster
#11
Josue M Regalado, McKenna B Cortez, Jeremy Grubbs, Jared A Link, Alexander van der Linden, Yong Zhang
Feeding and sleep are highly conserved, interconnected behaviors essential for survival. Starvation has been shown to potently suppress sleep across species; however, whether satiety promotes sleep is still unclear. Here we use the fruit fly, Drosophila melanogaster, as a model organism to address the interaction between feeding and sleep. We first monitored the sleep of flies that had been starved for 24 h and found that sleep amount increased in the first 4 h after flies were given food. Increased sleep after starvation was due to an increase in sleep bout number and average sleep bout length...
June 13, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28633506/role-of-glucagon-like-peptide-1and-gastric-inhibitory-peptide-in-anorexia-induction-following-oral-exposure-to-the-trichothecene-mycotoxin-deoxynivalenol-vomitoxin
#12
Hui Jia, Wen-Da Wu, Xi Lu, Jie Zhang, Cheng-Hua He, Hai-Bin Zhang
Deoxynivalenol (DON), which is a Type B trichothecene mycotoxin produced by Fusarium, frequently contaminates cereal staples, such as wheat, barley and corn. DON threatens animal and human health by suppressing food intake and impairing growth. While anorexia induction in mice exposed to DON has been linked to the elevation of the satiety hormones cholecystokinin (CCK) and peptide YY3-36(PYY3-36) in plasma, the effects of DON on the release of other satiety hormones, such as glucagon-like peptide-1 (GLP-1) and gastric inhibitory peptide (GIP), have not been established...
June 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28586439/ramp2-influences-glucagon-receptor-pharmacology-via-trafficking-and-signaling
#13
Jaimini Cegla, Ben J Jones, James V Gardiner, David J Hodson, Thomas Marjot, Emma R McGlone, Tricia M Tan, Stephen R Bloom
Endogenous satiety hormones provide an attractive target for obesity drugs. Glucagon causes weight loss by reducing food intake and increasing energy expenditure. To further understand the cellular mechanisms by which glucagon and related ligands activate the glucagon receptor (GCGR), we have investigated the interaction of the GCGR with RAMP2, a member of the family of Receptor Activity Modifying Proteins.We have used a combination of competition binding experiments, cell surface ELISA, functional assays assessing the Gαs and Gq pathways and β-arrestin recruitment, and siRNA knockdown to examine the effect of RAMP2 on the GCGR...
June 6, 2017: Endocrinology
https://www.readbyqxmd.com/read/28584525/gastrointestinal-motility-disorders-and-their-clinical-implications-in-cirrhosis
#14
REVIEW
Eleni Theocharidou, Ameet Dhar, David Patch
Gastrointestinal motility is impaired in a substantial proportion of patients with cirrhosis. Cirrhosis-related autonomic neuropathy, increased nitric oxide production, and gut hormonal changes have been implicated. Oesophageal dysmotility has been associated with increased frequency of abnormal gastro-oesophageal reflux. Impaired gastric emptying and accommodation may result in early satiety and may have an impact on the nutritional status of these patients. Small intestinal dysmotility might be implicated in small intestinal bacterial overgrowth and increased bacterial translocation...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28572791/hunger-and-satiety-gauge-reward-sensitivity
#15
REVIEW
Ryan Michael Cassidy, Qingchun Tong
Many of the neurocircuits and hormones known to underlie the sensations of hunger and satiety also substantially alter the activity of the dopaminergic reward system. Much interest lies in the ways that hunger, satiety, and reward tie together, as the epidemic of obesity seems tied to the recent development and mass availability of highly palatable foods. In this review, we will first discuss the basic neurocircuitry of the midbrain and basal forebrain reward system. We will elaborate how several important mediators of hunger-the agouti-related protein neurons of the arcuate nucleus, the lateral hypothalamic nucleus, and ghrelin-enhance the sensitivity of the dopaminergic reward system...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28572083/oatmeal-particle-size-alters-glycemic-index-but-not-as-a-function-of-gastric-emptying-rate
#16
Alan R Mackie, Balazs Bajka, Neil M Rigby, Peter J Wilde, Fatima Alves-Pereira, Ellen F Mosleth, Anne Rieder, Bente Kirkhus, Louise J Salt
SCOPE: The aim of this study was to determine the extent to which oat particle size in a porridge could alter glucose absorption, gastric emptying, gastrointestinal hormone response and subjective feelings of appetite and satiety. METHOD AND RESULTS: Porridge was prepared from either oat flakes or oat flour with the same protein, fat, carbohydrate and mass. These were fed to eight volunteers on separate days in a crossover study and subjective appetite ratings, gastric contents and plasma glucose, insulin, and gastrointestinal hormones were determined over a period of three hours...
June 1, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28531784/gut-microbiota-mediated-benefits-of-barley-kernel-products-on-metabolism-gut-hormones-and-inflammatory-markers-as-affected-by-co-ingestion-of-commercially-available-probiotics-a-randomized-controlled-study-in-healthy-subjects
#17
Anne Nilsson, Elin Johansson-Boll, Jonna Sandberg, Inger Björck
BACKGROUND AND AIMS: Barley kernel based products have been shown to induce benefits on blood glucose regulation, cardio-metabolic risk markers and appetite regulating hormones in a time perspective of 11-16 h after intake. The mechanisms have been assigned to gut fermentation of indigestible carbohydrates. The purpose of the present study was to evaluate if the modulatory effects of barley on markers of metabolic- and appetite regulation are affected by a dietary background including a mixture of commercially available probiotics...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28487141/a-randomized-cross-over-study-of-the-effects-of-macronutrient-composition-and-meal-frequency-on-glp-1-ghrelin-and-energy-expenditure-in-humans
#18
Simon Ingves, Nathalie Vilhelmsson, Edvin Ström, Mats Fredrikson, Hans Guldbrand, Fredrik H Nystrom
OBJECTIVE: Little is known about human postprandial increase of energy expenditure and satiety-associated hormones in relation to both meal frequency and macronutrient composition. DESIGN: Randomized cross-over study with four conditions for each participant. METHODS: Seven men and seven women (mean age 23±1.5years) were randomly assigned to the order of intake of a 750kcal drink with the same protein content while having either 20 energy-percent (E%) or 55 E% from carbohydrates and the remaining energy from fat...
May 6, 2017: Peptides
https://www.readbyqxmd.com/read/28473259/the-central-effects-of-alpha-melanocyte-stimulating-hormone-%C3%AE-msh-in-chicks-involve-changes-in-gene-expression-of-neuropeptide-y-and-other-factors-in-distinct-hypothalamic-nuclei
#19
Meghan S Delp, Mark A Cline, Elizabeth R Gilbert
Alpha-melanocyte stimulating hormone (α-MSH) is a satiety-inducing factor in birds and mammals although central mechanisms mediating its effects on appetite in birds are poorly understood. Thus, the objective of the present study was to determine effects of centrally-injected α-MSH on c-Fos and gene expression in chick appetite-associated hypothalamic nuclei. At 4days post-hatch, 3h-fasted chicks were intracerebroventricularly (ICV) injected with 0 (vehicle) or 0.12nmol α-MSH and 1h later, hypothalamus samples were collected for measuring c-Fos immunoreactivity and mRNA abundance of appetite-associated factors in hypothalamic nuclei...
May 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28463898/glucose-kinetics-an-update-and-novel-insights-into-its-regulation-by-glucagon-and-glp-1
#20
Amalia Gastaldelli, Melania Gaggini, Ralph DeFronzo
PURPOSE OF REVIEW: Glucagon and GLP-1 share the same origin (i.e., proglucagon); primarily GLP-1 is generated from intestinal L-cells and glucagon from pancreatic α-cell, but intestinal glucagon and pancreatic GLP-1 secretion is likely. Glucose kinetics are tightly regulated by pancreatic hormones insulin and glucagon, but other hormones, including glucagon-like peptide-1 (GLP-1), also play an important role. The purpose of this review is to describe the recent findings on the mechanisms by which these two hormones regulate glucose kinetics...
July 2017: Current Opinion in Clinical Nutrition and Metabolic Care
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