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https://www.readbyqxmd.com/read/28228504/the-dynamics-of-gastric-emptying-and-self-reported-feelings-of-satiation-are-better-predictors-than-gastrointestinal-hormones-of-the-effects-of-lipid-emulsion-structure-on-fat-digestion-in-healthy-adults-a-bayesian-inference-approach
#1
Andreas Steingoetter, Simon Buetikofer, Jelena Curcic, Dieter Menne, Jens F Rehfeld, Michael Fried, Werner Schwizer, Tim J Wooster
Background: Limited information exists on the relation between fat emulsion structure and its effect on the release of gastrointestinal hormones and feelings of satiation.Objective: We investigated the impact of fat emulsion droplet size, gravitational and acid stability, and redispersibility on gastrointestinal responses and sought to deduce the relative importance of the hormones ghrelin, cholecystokinin, glucagon-like peptide-1, and peptide YY (PYY) in controlling fat emptying and related satiation.Methods: Within a randomized, double-blind, 4-armed crossover study, an extensive data set was generated by MRI of gastric function, analysis of hormone profiles, and ratings of satiation in healthy participants [10 women and 7 men with a mean ± SD age of 25 ± 7 y and body mass index (in kg/m(2)) of 22 ± 1] after intake of 4 different fat emulsions...
February 22, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28228093/comparative-profiling-of-hepatopancreas-transcriptomes-in-satiated-and-starving-pomacea-canaliculata
#2
Lei Yang, Tian-Yin Cheng, Fei-Yan Zhao
BACKGROUND: Although Pomacea canaliculata is native to South and Central America, it has become one of the most abundant invasive species worldwide and causes extensive damage to agriculture and horticulture. Conventional physical and chemical techniques have been used to eliminate P. canaliculata, but the effects are not ideal. Therefore, it is important to devise a new method based on a greater understanding of the biology of P. canaliculata. However, the molecular mechanisms underlying digestion and absorption in P...
February 22, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28222742/resistant-starch-lowers-postprandial-glucose-and-leptin-in-overweight-adults-consuming-a-moderate-to-high-fat-diet-a-randomized-controlled-trial
#3
Mindy Patterson Maziarz, Sara Preisendanz, Shanil Juma, Victorine Imrhan, Chandan Prasad, Parakat Vijayagopal
BACKGROUND: High-amylose maize resistant starch type 2 (HAM-RS2) stimulates gut-derived satiety peptides and reduces adiposity in animals. Human studies have not supported these findings despite improvements in glucose homeostasis and insulin sensitivity after HAM-RS2 intake which can lower adiposity-related disease risk. The primary objective of this study was to evaluate the impact of HAM-RS2 consumption on blood glucose homeostasis in overweight, healthy adults. We also examined changes in biomarkers of satiety (glucagon-like peptide-1 [GLP-1], peptide YY [PYY], and leptin) and body composition determined by anthropometrics and dual-energy x-ray absorptiometry, dietary intake, and subjective satiety measured by a visual analogue scale following HAM-RS2 consumption...
February 21, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28216120/no-impact-of-repeated-extinction-exposures-on-operant-responding-maintained-by-different-reinforcer-rates
#4
John Y H Bai, Christopher A Podlesnik
Greater rates of intermittent reinforcement in the presence of discriminative stimuli generally produce greater resistance to extinction, consistent with predictions of behavioral momentum theory. Other studies reveal more rapid extinction with higher rates of reinforcers - the partial reinforcement extinction effect. Further, repeated extinction often produces more rapid decreases in operant responding due to learning a discrimination between training and extinction contingencies. The present study examined extinction repeatedly with training with different rates of intermittent reinforcement in a multiple schedule...
February 16, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28214702/triploid-atlantic-salmon-shows-similar-performance-fatty-acid-composition-and-proteome-response-to-diploids-during-early-freshwater-rearing
#5
Waldo G Nuez-Ortín, Chris G Carter, Richard Wilson, Ira R Cooke, Gianluca Amoroso, Jennifer M Cobcroft, Peter D Nichols
There is currently renewed interest in farming triploid Atlantic salmon. Improving farming requires identifying triploid specific phenotypic and physiological traits that are uniquely derived from ploidy per se and developed under optimal growing conditions. This study investigated firstly, the impact of ploidy on growth performance and whole body composition of Atlantic salmon at different early freshwater stages [34dph (days post-hatching) alevin, 109dph fry, and 162dph parr] and secondly, whether phenotypic differences at these stages were reflected in protein samples collected from whole fish, white muscle or liver tissue...
February 11, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28201935/partition-and-metabolic-fate-of-dietary-glycerol-in-muscles-and-liver-of-juvenile-tilapia
#6
Diego Vicente da Costa, Jorge Dias, Rita Colen, Priscila Vieira Rosa, Sofia Engrola
This study investigated the effect of dietary glycerol on the metabolism of juvenile tilapia (Oreochromis mossambicus) and to determine its metabolic fate. The experimental diets contained 0% (Group CON), 5% (Group G5) and 15% glycerol (Group G15) and were fed for 40 d to apparent satiation, three times a day. For the metabolism trials, six fish from each treatment were randomly chosen and tube-fed with five pellets labelled with (14)C-glycerol [(14)C(U)] in order to evaluate the absorption, catabolism, retention and partition of glycerol in muscle and liver...
April 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28192220/the-effect-of-real-time-vibrotactile-feedback-delivered-through-an-augmented-fork-on-eating-rate-satiation-and-food-intake
#7
Roel C J Hermans, Sander Hermsen, Eric Robinson, Suzanne Higgs, Monica Mars, Jeana H Frost
Eating rate is a basic determinant of appetite regulation, as people who eat more slowly feel sated earlier and eat less. Without assistance, eating rate is difficult to modify due to its automatic nature. In the current study, participants used an augmented fork that aimed to decelerate their rate of eating. A total of 114 participants were randomly assigned to the Feedback Condition (FC), in which they received vibrotactile feedback from their fork when eating too fast (i.e., taking more than one bite per 10 s), or a Non-Feedback Condition (NFC)...
February 10, 2017: Appetite
https://www.readbyqxmd.com/read/28174138/comparison-of-oro-sensory-exposure-duration-and-intensity-manipulations-on-satiation
#8
M P Lasschuijt, M Mars, M Stieger, S Miquel-Kergoat, C de Graaf, Pam Smeets
Oro-sensory exposure (OSE) is an important factor in the regulation of food intake with increasing OSE leading to lower food intake. Oral processing time and taste intensity both play an important role in OSE but their individual contribution to satiation is unknown. We aimed to determine the independent and combined effects of oral processing time and taste intensity on satiation. Fifty eight participants (23±9y, BMI 22±2kg/m(2)) participated in a 2×2 factorial randomized crossover study in which they consumed one of four gel-based model foods until satiation during four sessions...
February 4, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28166797/impact-of-physical-activity-level-and-dietary-fat-content-on-passive-overconsumption-of-energy-in-non-obese-adults
#9
Kristine Beaulieu, Mark Hopkins, John Blundell, Graham Finlayson
BACKGROUND: Passive overconsumption is the increase in energy intake driven by the high-fat energy-dense food environment. This can be explained in part because dietary fat has a weaker effect on satiation (i.e. process that terminates feeding). Habitually active individuals show improved satiety (i.e. process involved in post-meal suppression of hunger) but any improvement in satiation is unknown. Here we examined whether habitual physical activity mitigates passive overconsumption through enhanced satiation in response to a high-fat meal...
February 6, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28146277/dietary-guidance-for-pulses-the-challenge-and-opportunity-to-be-part-of-both-the-vegetable-and-protein-food-groups
#10
Stefanie Havemeier, Jennifer Erickson, Joanne Slavin
Pulses are a dry, edible variety of beans, peas, and lentils that have been consumed for 10,000 years. Pulses are rich in plant-based protein and fiber, as well as micronutrients such as iron and potassium. The satiating effect of both fiber and protein assists in managing weight and combating obesity. The high fiber content and low glycemic index of pulses aid people with diabetes in maintaining blood glucose and insulin levels. Pulse consumption may improve serum lipid levels to reduce the risk of cardiovascular disease...
February 1, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28139678/cocaine-potency-at-the-dopamine-transporter-tracks-discrete-motivational-states-during-cocaine-self-administration
#11
Cody A Siciliano, Sara R Jones
Although the dopamine transporter is the primary site of action for cocaine, and the dopamine system is known to mediate the reinforcing and rewarding effects of cocaine, the dopaminergic variations underlying individual differences in cocaine self-administration behaviors are not fully understood. Recent advances in the application of economic principles to operant tasks in rodents have allowed for the within-subject, within-session determination of both consummatory and appetitive responding for reinforcers...
January 31, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28139153/effects-of-puddings-containing-whey-protein-and-polydextrose-on-subjective-feelings-of-appetite-and-short-term-energy-intake-in-healthy-adults
#12
Marcela Martinelli, Florencia Walz, Eva Goñi, Giovanna Passutti, Carlos Osella, Silvina R Drago
The aim of this study was to investigate the effects of puddings with whey protein (WP) and polidextrose (PX) on appetite feelings and energy intake. A single-blind randomized, crossover study was carried out in 25 healthy adults. Participants consumed two different puddings, including control or test pudding (12.9 g WP and 6 g PX). Two testing days were completed, including satiety questionnaires and ad libitum lunch. For all participants, energy intake at lunch was similar after consumption of control or test pudding...
January 31, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28125508/a-cannabigerol-rich-cannabis-sativa-extract-devoid-of-increment-9-tetrahydrocannabinol-elicits-hyperphagia-in-rats
#13
Daniel I Brierley, James Samuels, Marnie Duncan, Benjamin J Whalley, Claire M Williams
Nonpsychoactive phytocannabinoids (pCBs) from Cannabis sativa may represent novel therapeutic options for cachexia because of their pleiotropic pharmacological activities, including appetite stimulation. We have recently shown that purified cannabigerol (CBG) is a novel appetite stimulant in rats. As standardized extracts from Cannabis chemotypes dominant in one pCB [botanical drug substances (BDSs)] often show greater efficacy and/or potency than purified pCBs, we investigated the effects of a CBG-rich BDS, devoid of psychoactive [INCREMENT]-tetrahydrocannabinol, on feeding behaviour...
January 25, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28116817/brain-networks-associated-with-cognitive-and-hedonic-responses-to-a-meal
#14
T Pribic, L Kilpatrick, B Ciccantelli, C Malagelada, A Accarino, A Rovira, D Pareto, E Mayer, F Azpiroz
BACKGROUND: We recently reported interrelated digestive, cognitive, and hedonic responses to a meal. The aim of this study was to identify brain networks related to the hedonic response to eating. METHODS: Thirty-eight healthy subjects (20-38 age range) were evaluated after a 5-hour fast and after ingestion of a test meal (juice and warm ham and cheese sandwich, 300 mL, 425 kcal). Perceptual and affective responses (satiety, abdominal fullness, digestive well-being, and positive mood), and resting scans of the brain using functional MRI (3T Trio, Siemens, Germany) were evaluated immediately before and after the test meal...
January 23, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28106215/the-degree-of-processing-of-foods-which-are-most-widely-consumed-by-the-french-elderly-population-is-associated-with-satiety-and-glycemic-potentials-and-nutrient-profiles
#15
Anthony Fardet, Caroline Méjean, Hélène Labouré, Valentina A Andreeva, Gilles Feron
Food processing impacts both food structure and nutritional density. The effect of food structure on satiety and glycemic potentials is well recognized. However, the association between processing, satiety and glycemic potentials and nutrient profiles has not been much studied, especially in the diets of the elderly. Therefore, this study aimed at exploring relations between the level of food processing, consumption and nutrient profiles and satiety and glycemic potentials among 6686 French elderly people (≥65 years)...
January 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28106207/natural-sweetener-agave-inhibits-gastric-emptying-in-rats-by-a-cholecystokinin-2-and-glucagon-like-peptide-1-receptor-dependent-mechanism
#16
E Bihter Gürler, Dilek Özbeyli, Hülya Buzcu, Sezin Bayraktar, İrem Carus, Beyza Dağ, Yasemin Geriş, Seda Jeral, Berrak Ç Yeğen
Low-calorie sweeteners are considered to be beneficial in calorie control, but the impact of these sweeteners on gastric emptying is not well described. The purpose of this study was to compare the gastric emptying rate of agave nectar with those of glucose and fructose, and to evaluate the interaction of cholecystokinin (CCK)-1, CCK-2 and glucagon-like peptide-1 (GLP-1) receptors in agave-induced alterations in gastric emptying. Female Sprague-Dawley rats were fitted with gastric cannulas. Following the recovery, the gastric emptying rates of glucose, fructose and agave at 12...
January 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28101704/molecular-cloning-and-gene-protein-expression-of-fat-cd36-from-grass-carp-ctenopharyngodon-idella-and-the-regulation-of-its-expression-by-dietary-energy
#17
Juan Tian, Wei Liu, Weihua Gao, Fan Wu, Lijuan Yu, Xing Lu, Chang-Geng Yang, Ming Jiang, Hua Wen
Fatty acid translocase/cluster of differentiation 36 (FAT/CD36) functions as a membrane long-chain fatty acid transporter in various tissues in land animals. Not much is known about the CD36 molecule in teleost fish. Therefore, we studied CD36 in grass carp (Ctenopharyngodon idella, ciCD36). The full-length complementary DNA sequence of ciCD36 was 1976 bp, with an ORF of 468 amino acids, which had high sequence similarity to the CD36 of common carp. The messenger RNA (mRNA) expression of ciCD36 was high in the intestine, heart, liver, visceral tissue, and brain, but absent in the kidney...
January 18, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28098344/inhibition-of-oxytocin-and-vasopressin-neuron-activity-in-rat-hypothalamic-paraventricular-nucleus-by-relaxin-3-rxfp3-signalling
#18
Alan Kania, Anna Czerw, Agnieszka Grabowiecka, Camila de Ávila, Tomasz Blasiak, Zenon Rajfur, Marian H Lewandowski, Grzegorz Hess, Elena Timofeeva, Andrew L Gundlach, Anna Blasiak
KEY-POINTS: Relaxin-3 is a stress-responsive neuropeptide that acts at its cognate receptor, RXFP3, to alter behaviours including feeding. In this study, we have demonstrated a direct, RXFP3-dependent, inhibitory action of relaxin-3 on oxytocin and vasopressin PVN neuron electrical activity, a putative cellular mechanism of orexinergic actions of relaxin-3. We observed a Gαi/o -protein-dependent inhibitory influence of selective RXFP3 activation on PVN neuronal activity in vitro and demonstrated a direct action of RXFP3 activation on oxytocin and vasopressin PVN neurons, confirmed by their abundant expression of RXFP3 mRNA...
January 18, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28095014/the-ability-to-choose-can-increase-satiation
#19
Joseph P Redden, Kelly L Haws, Jinjie Chen
The ability to choose should let people create more enjoyable experiences. However, in a set of 5 studies, people who chose repeatedly during ongoing consumption exhibited a greater drop in enjoyment compared with those who received a series of random selections from the same set of liked stimuli. Process evidence indicated that choosing increased satiation because it triggered overall reflections on the repetitive nature of the ongoing consumption experience. Moderating evidence also supported our theoretical account as differences in satiation disappeared when nonchoosers were explicitly cued to think about repetition in the general sense, or when choosers made all of their choices before the onset of repeated consumption...
February 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28093902/making-sense-of-metabolic-obesity-and-hedonic-obesity
#20
REVIEW
Yu Yi-Hao
Body weight is neither stationary nor changing unidirectionally. It usually oscillates up and down around a set-point. Two types of forces determine the direction of weight changes. Forces that push body weight away from the set-point are defined as non-homeostatic and are governed by multiple mechanisms, including but not limited to hedonic regulation of food intake. Forces that restore the set-point weight are defined as homeostatic, and they operate through the mechanisms that regulate short-term energy balance driven by hunger and satiation and long-term energy balance driven by changes in adiposity...
January 17, 2017: Journal of Diabetes
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