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https://www.readbyqxmd.com/read/27910786/bioavailability-and-digestibility-of-nutrients-from-the-dried-oyster-culinary-medicinal-mushroom-pleurotus-ostreatus-agaricomycetes-in-vivo-experiments
#1
Julita Regula, Joanna Suliburska, Marek Siwulski
There is a limited number of publications on the bioavailability and digestibility of nutrients contained in macrofungi. The aim of this study was to assess the bioavailability and digestibility of macronutrients using in vivo experiments on laboratory animals. The experiments were conducted with the commercial oyster mushroom Pleurotus ostreatus. Semisynthetic diets were prepared based on the modified AIN-93M diet and were supplemented with 4% and 8% mushroom powder. Between days 4 and 13, apparent digestibility indexes were determined for all animals using the conventional balance method...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27908915/-the-hypothalamic-glucagon-like-peptide-1-glp-1-receptor-glp-1r-is-sufficient-but-not-necessary-for-the-regulation-of-energy-balance-and-glucose-homeostasis-in-mice
#2
Melissa A Burmeister, Jennifer E Ayala, Hannah Smouse, Adriana Landivar-Rocha, Jacob D Brown, Daniel J Drucker, Doris A Stoffers, Darleen A Sandoval, Randy J Seeley, Julio E Ayala
Pharmacological activation of the hypothalamic glucagon-like peptide-1 (GLP-1) receptor (GLP-1R) promotes weight loss and improves glucose tolerance. This demonstrates that the hypothalamic GLP-1R is sufficient but does not show whether it is necessary for the effects of exogenous GLP-1R agonists (GLP-1RA) or endogenous GLP-1 on these parameters. To address this, we crossed mice harboring floxed Glp1r alleles to mice expressing Nkx2.1-Cre to knock down Glp1r expression throughout the hypothalamus (GLP-1RKD(ΔNkx2...
December 1, 2016: Diabetes
https://www.readbyqxmd.com/read/27908421/low-magnesium-diet-alters-distribution-of-macroelements-and-trace-elements-in-tissues-and-organs-of-female-rats
#3
Anastasia A Zheltova, Maria V Kharitonova, Igor N Iezhitsa, Eugeny P Serebryansky, Oleg Y Evsyukov, Alexander A Spasov, Anatoly V Skalny
The aim of the present study was to assess whether dietary magnesium deficiency can alter distribution of macroelements and trace elements in different organs and tissues. Experiments were carried out on 12 adult female Wistar rats, which were fed either a diet with low Mg content (≤20mgkg(-1) of diet) (LMgD) or a diet with daily recommended Mg content (≈500mgkg(-1)) as control group (CG) for 70 days. On the 70th day of the experiment heart, aorta, femoral skeletal muscle, forebrain, cerebellum, pituitary gland, thyroid gland, ovaries, uterus, liver, kidneys, and spleen were taken for analysis of mineral content...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27906983/tithonia-diversifolia-as-a-supplementary-feed-for-dairy-cows
#4
Rafael Sandin Ribeiro, Stephanie Amelia Terry, João Paulo Sacramento, Sylvia Rocha E Silveira, Cláudia Braga Pereira Bento, Elsa Fernandes da Silva, Hilário Cuquetto Mantovani, Marco Antônio Sundfeld da Gama, Luiz Gustavo Ribeiro Pereira, Thierry Ribeiro Tomich, Rogério Martins Maurício, Alexandre Vieira Chaves
The objective of this study was to examine the effects of Tithonia diversifolia as a supplementary forage on dairy cow performance and methane production. Nine lactating Holstein × Zebu dairy cows (519 ± 53.3 kg of body weight and 66 ± 13.3 d in milk) were paired by milk yield (21.3 ± 2.34 kg/d) and body weight and randomly assigned to three dietary treatments in a Latin square design with 21-d experimental periods (14 d for diet adaptation and 7 d for measurements and sample collection). The dietary treatments included the control diet consisting of fresh sugar cane plus concentrate (44:56, % of diet DM), and two treatment diets containing different levels of fresh T...
2016: PloS One
https://www.readbyqxmd.com/read/27906582/fiat-deletion-increases-bone-mass-but-does-not-prevent-high-fat-diet-induced-metabolic-complications
#5
Bahareh Hekmatnejad, Vionnie W C Yu, William Addison, Vice Mandic, Martin Pellicelli, Alice Arabian, René St-Arnaud
FIAT (Factor Inhibiting ATF4-mediated Transcription) interacts with ATF4 to repress its transcriptional activity. We performed a phenotypic analysis of Fiat-deficient male mice (Fiat(-/Y)) at 8 and 16 weeks of age. Fiat(-/Y) mice appeared normal at birth and weight gain was comparable between genotypes. μCT analysis of proximal femur demonstrated 46% and 13% age-dependent increases in trabecular bone volume and thickness, respectively, in Fiat(-/Y) mice. Cortical bone measurements at the femoral midshaft revealed a significant increase in cortical thickness in older Fiat(-/Y) mice...
December 1, 2016: Endocrinology
https://www.readbyqxmd.com/read/27906092/alterations-to-mtorc1-signaling-in-the-skeletal-muscle-differentially-affect-whole-body-metabolism
#6
Maitea Guridi, Barbara Kupr, Klaas Romanino, Shuo Lin, Denis Falcetta, Lionel Tintignac, Markus A Rüegg
BACKGROUND: The mammalian target of rapamycin complex 1 (mTORC1) is a central node in a network of signaling pathways controlling cell growth and survival. This multiprotein complex integrates external signals and affects different nutrient pathways in various organs. However, it is not clear how alterations of mTORC1 signaling in skeletal muscle affect whole-body metabolism. RESULTS: We characterized the metabolic phenotype of young and old raptor muscle knock-out (RAmKO) and TSC1 muscle knock-out (TSCmKO) mice, where mTORC1 activity in skeletal muscle is inhibited or constitutively activated, respectively...
March 21, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27903833/meal-distribution-of-dietary-protein-and-leucine-influences-long-term-muscle-mass-and-body-composition-in-adult-rats
#7
Layne E Norton, Gabriel J Wilson, Christopher J Moulton, Donald K Layman
BACKGROUND: Protein quantity and quality at a meal affect muscle protein synthesis (MPS); however, long-term effects of protein distribution at individual meals on adult muscle mass remain unknown. OBJECTIVE: We used a precise feeding protocol in adult rats to determine if optimizing postmeal MPS response by modifying the meal distribution of protein, and the amino acid leucine (Leu), would affect muscle mass. METHODS: Two studies were conducted with the use of male Sprague-Dawley rats (∼300 g) trained to consume 3 meals/d, then assigned to diet treatments with identical macronutrient contents (16% of energy from protein, 54% from carbohydrates, and 30% from fat) but differing in protein quality or meal distribution...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27903595/lifelong-imbalanced-linoleic-alpha-linolenic-acid-intake-impairs-emotional-and-cognitive-behavior-in-adult-rats-via-changes-in-brain-endocannabinoid-system
#8
Erica Zamberletti, Fabiana Piscitelli, Valentina De Castro, Elisabetta Murru, Marina Gabaglio, Paola Colucci, Chiara Fanali, Pamela Prini, Tiziana Bisogno, Mauro Maccarrone, Patrizia Campolongo, Sebastiano Banni, Tiziana Rubino, Daniela Parolaro
Imbalanced dietary n-3 and n-6 PUFA content has been associated with a number of neurological conditions. Endocannabinoids are n-6 PUFA derivatives, whose brain concentrations are sensitive to modifications of fatty acid composition of the diet, and play a central role in the regulation of mood and cognition. As such, the endocannabinoid system appears to be an ideal candidate for mediating the effects of dietary fatty acids on mood and cognition. Lifelong administration of isocaloric alpha linolenic acid (ALA) deficient and enriched diets induced short-term memory deficits, whereas only dietary ALA enrichment altered emotional reactivity in adult male rats compared to animals fed a standard diet, balanced in ALA/linoleic (LA) ratio...
November 30, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27901033/impact-of-dietary-glycemic-challenge-on-fuel-partitioning
#9
REVIEW
A Bosy-Westphal, F Hägele, A Nas
The 'carbohydrate-insulin theory of obesity' is used to justify popular health claims stating that carbohydrates make you fat or a high glycemic load and consumption of sugar-sweetened beverages (SSBs) and breakfast skipping increase fat gain. According to this theory, the elevated postprandial insulin secretion to a high glycemic challenge is blamed as a causal mechanism by directing nutrients away from oxidation in muscle towards storage in adipose tissue. Scientific evidence is however largely disagreeing with an adverse effect of postprandial hyperinsulinemia on fuel partitioning...
November 30, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27900259/dietary-fat-and-gut-microbiota-interactions-determine-diet-induced-obesity-in-mice
#10
Raphaela Kübeck, Catalina Bonet-Ripoll, Christina Hoffmann, Alesia Walker, Veronika Maria Müller, Valentina Luise Schüppel, Ilias Lagkouvardos, Birgit Scholz, Karl-Heinz Engel, Hannelore Daniel, Philippe Schmitt-Kopplin, Dirk Haller, Thomas Clavel, Martin Klingenspor
OBJECTIVE: Gut microbiota may promote positive energy balance; however, germfree mice can be either resistant or susceptible to diet-induced obesity (DIO) depending on the type of dietary intervention. We here sought to identify the dietary constituents that determine the susceptibility to body fat accretion in germfree (GF) mice. METHODS: GF and specific pathogen free (SPF) male C57BL/6N mice were fed high-fat diets either based on lard or palm oil for 4 wks. Mice were metabolically characterized at the end of the feeding trial...
December 2016: Molecular Metabolism
https://www.readbyqxmd.com/read/27899529/short-term-effects-of-trans-fatty-acids-from-ruminant-and-industrial-sources-on-surrogate-markers-of-cardiovascular-risk-in-healthy-men-and-women-a-randomized-controlled-double-blind-trial
#11
Thomas Radtke, Alexandra Schmid, Anja Trepp, Frieda Dähler, Michael Coslovsky, Prisca Eser, Matthias Wilhelm, Hugo Saner
OBJECTIVE: The aim of this study was to determine short-term effects of trans fatty acid (TFA) intake from ruminant and industrial sources on surrogate markers of cardiovascular risk in the context of a balanced diet with 30-36% of daily energy from fat. DESIGN: Prospective, randomized, double-blind, parallel-design study. METHODS: In this study, 142 healthy volunteers aged 45 to 69 years were randomly allocated to three different diets: either a diet enriched with 2% of daily energy intake from ruminant TFA (rTFA) or with industrial TFA (iTFA), or a diet without TFA (wTFA), for a duration of four weeks...
November 29, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27898953/impact-of-improving-dietary-amino-acid-balance-for-lactating-sows-on-efficiency-of-dietary-amino-acid-utilization-and-transcript-abundance-of-genes-encoding-lysine-transporters-in-mammary-tissue
#12
L Huber, C F M de Lange, C W Ernst, U Krogh, N L Trottier
Lactating multiparous Yorkshire sows ( = 64) were used in 2 experiments to test the hypothesis that reducing dietary CP intake and improving AA balance through crystalline AA (CAA) supplementation improves apparent dietary AA utilization efficiency for milk production and increases transcript abundance of genes encoding Lys transporter proteins in mammary tissue. In Exp. 1, 40 sows were assigned to 1 of 4 diets: 1) high CP (HCP; 16.0% CP, as-fed basis; analyzed concentration), 2) medium-high CP (MHCP; 15.7% CP), 3) medium-low CP (MLCP; 14...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898943/effects-of-feeding-fermented-wheat-with-on-gut-morphology-intestinal-fermentation-nutrient-digestibility-and-growth-performance-in-weaned-pigs
#13
M H A Le, S Galle, Y Yang, J L Landero, E Beltranena, M G Gänzle, R T Zijlstra
Feeding fermented feed to weaned pigs may improve nutrient digestibility and gut health and thereby reduce diarrhea incidence. Effects of feeding wheat grain fermented for 24 h with were evaluated with 36 weaned pigs (7.3 kg BW). Fermented wheat grain contained (DM basis) 14.2% CP, 0.45% chemically available Lys, and 7.8% NDF, whereas unfermented wheat grain contained 16.4% CP, 0.45% chemically available Lys, and 9.9% NDF. Pigs were fed 6 mash wheat-based diets balanced for water content during 2 phases: Phase 1 diets for 1 wk (d 0-7) with 20% unfermented or fermented wheat and, subsequently, Phase 2 diets for 2 wk (d 8-21) with 50% unfermented or fermented wheat...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898941/influence-of-feeding-strategy-and-diet-for-reproductive-rabbit-does-on-intake-performances-and-health-of-young-and-females-before-and-after-weaning
#14
T Read, S Combes, T Gidenne, N Destombes, K Bébin, E Balmisse, L Fortun-Lamothe
This study aimed to determine the influences of feeding strategy and diet for reproductive females on feed intake, BW, reproductive performances, and milk composition and their effects on kit performances from birth (d 0) to 70 d of age (d 70). A total of 133 does followed for 3 reproductive cycles and their offspring, 2,322 kits from 236 litters, were divided into 3 experimental groups that differed only by the diet offered to the doe. Three experimental diets were used: a reproduction (Repro) diet (11.01 MJ DE/kg, 24...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898939/evaluating-pellet-and-meal-feeding-regimens-on-finishing-pig-performance-stomach-morphology-and-carcass-characteristics
#15
J A De Jong, J M DeRouchey, M D Tokach, S S Dritz, R D Goodband, J C Woodworth, M W Allerson
A total of 2,100 pigs (PIC 327 × 1050; initially 31.2 kg BW) were used in a 118-d trial to determine the effects of pellet or meal feeding regimens on finishing pig growth performance, stomach morphology, and carcass characteristics. Pens of pigs were balanced by initial BW and randomly allotted to 1 of 6 dietary treatments (14 pens/treatment with 25 pigs/pen). Pens were sorted by gender allowing for 7 barrow pens and 7 gilt pens per treatment. The same corn-soybean meal-based diets containing 15% dried distillers' grains with solubles were used for all treatments and fed in 5 phases...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898909/protein-and-amino-acid-bioavailability-of-extruded-dog-food-with-protein-meals-of-different-quality-using-growing-mink-as-a-model
#16
M T Tjernsbekk, A-H Tauson, C F Matthiesen, Ø Ahlstrøm
The present study evaluated growing mink () as a model for dietary protein quality assessment of protein meals used in extruded dog foods. Three foods with similar CP content but of different protein quality were produced using different protein meals. The protein meals varied with respect to CP digestibility and AA composition and included lamb meal (LBM), poultry meal (PM), and fish meal (FM) with low, intermediate, and high protein quality, respectively. Nitrogen balance, BW gain, protein efficiency ratio (PER), and apparent total tract digestibility (ATTD) were used as measures of protein and AA bioavailability in growing mink...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898878/effects-of-dietary-fiber-on-the-ideal-standardized-ileal-digestible-threonine-lysine-ratio-for-twenty-five-to-fifty-kilogram-growing-gilts
#17
J K Mathai, J K Htoo, J E Thomson, K J Touchette, H H Stein
Four experiments were conducted to determine effects of fiber on the ideal Thr:Lys ratio for 25- to 50-kg gilts. In Exp. 1, the objective was to determine the requirement for standardized ileal digestible Lys for gilts from 25 to 50 kg BW. Seventy gilts (24.54 ± 3.28 kg BW) were used in a growth assay with 2 pigs per pen, 5 diets, and 7 replicate pens per diet. The 5 diets were based on corn and soybean meal and contained between 0.80 and 1.32% SID Lys. Results indicated that 1.09% SID Lys was needed to optimize ADG and G:F...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898843/influence-of-protein-nutrition-and-virginiamycin-supplementation-on-feedlot-growth-performance-and-digestive-function-of-calf-fed-holstein-steers
#18
J Salinas-Chavira, A Barreras, A Plascencia, M F Montano, J D Navarrete, N Torrentera, R A Zinn
Two experiments were conducted to examine the influence of protein and virginiamycin (VM) supplementation on feedlot growth performance, digestion, and metabolizable AA (MAA) supply of calf-fed Holstein steers. Growth performance and dietary energetics were evaluated in 120 Holstein steers (127 ± 9 kg). During the initial 112-d feeding period, a steam-flaked corn-based diet was balanced to meet either 100% (MAB) or 87% (UREA) of MAA requirements. Diets were supplemented with or without 22.5 mg/kg VM in a 2 × 2 factorial arrangement...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898282/comparative-fingerprinting-of-the-human-microbiota-in-diabetes-and-cardiovascular-disease
#19
Emanuel Vamanu, Diana Pelinescu, Ionela Sarbu
Diabetes and cardiovascular diseases are major causes of morbidity and mortality worldwide, and are associated with changes in the human gut microbiota. To better understand the relationships between diet, disease, and the colonic microbiome, we used the in vitro GIS1 system and repetitive element palindromic polymerase chain reaction (rep-PCR) to determine the microbial fingerprints in individuals with these diseases and compared them with the fingerprints in healthy controls. Clear differences were apparent in the three groups...
November 29, 2016: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27895819/nutrition-insulin-resistance-and-dysfunctional-adipose-tissue-determine-the-different-components-of-metabolic-syndrome
#20
REVIEW
Juan Antonio Paniagua
Obesity is an excessive accumulation of body fat that may be harmful to health. Today, obesity is a major public health problem, affecting in greater or lesser proportion all demographic groups. Obesity is estimated by body mass index (BMI) in a clinical setting, but BMI reports neither body composition nor the location of excess body fat. Deaths from cardiovascular diseases, cancer and diabetes accounted for approximately 65% of all deaths, and adiposity and mainly abdominal adiposity are associated with all these disorders...
November 15, 2016: World Journal of Diabetes
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