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https://www.readbyqxmd.com/read/28733671/short-chain-fatty-acids-and-inulin-but-not-guar-gum-prevent-diet-induced-obesity-and-insulin-resistance-through-differential-mechanisms-in-mice
#1
Karolin Weitkunat, Christin Stuhlmann, Anna Postel, Sandra Rumberger, Maria Fankhänel, Anni Woting, Klaus Jürgen Petzke, Sabrina Gohlke, Tim J Schulz, Michael Blaut, Susanne Klaus, Sara Schumann
The role of dietary fibre and short-chain fatty acids (SCFA) in obesity development is controversially discussed. Here, we investigated how various types of dietary fibre and different SCFA ratios affect metabolic syndrome-related disorders. Male mice (B6) were fed high-fat diets supplemented with dietary fibres (either cellulose, inulin or guar gum) or different Ac:Pr ratios (high acetate (HAc) or propionate (HPr)) for 30 weeks. Body-fat gain and insulin resistance were greatly reduced by inulin, but not by guar gum, and completely prevented by SCFA supplementation...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733645/hdac3-is-a-molecular-brake-of-the-metabolic-switch-supporting-white-adipose-tissue-browning
#2
Alessandra Ferrari, Raffaella Longo, Erika Fiorino, Rui Silva, Nico Mitro, Gaia Cermenati, Federica Gilardi, Béatrice Desvergne, Annapaola Andolfo, Cinzia Magagnotti, Donatella Caruso, Emma De Fabiani, Scott W Hiebert, Maurizio Crestani
White adipose tissue (WAT) can undergo a phenotypic switch, known as browning, in response to environmental stimuli such as cold. Post-translational modifications of histones have been shown to regulate cellular energy metabolism, but their role in white adipose tissue physiology remains incompletely understood. Here we show that histone deacetylase 3 (HDAC3) regulates WAT metabolism and function. Selective ablation of Hdac3 in fat switches the metabolic signature of WAT by activating a futile cycle of de novo fatty acid synthesis and β-oxidation that potentiates WAT oxidative capacity and ultimately supports browning...
July 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28728395/effects-of-supplementary-glycerin-on-milk-composition-and-heat-stability-in-dairy-goats
#3
Deela Thoh, Patcharin Pakdeechanuan, Pin Chanjula
Objective: This experiment was to study the effects of various levels of crude glycerin (CG) in dairy goat diet on daily intake, milk yield, milk composition, some physical properties and some quality changes of goat milk after sterilization. Methods: Twelve 75% Saanen dairy goats (BW = 49±3 kg; days in milk = 60±12 d) were randomly assigned in a completely randomized design to evaluate the effects of three experimental diets consisting of 0, 5 and 10% CG (dry matter basis) which were formulated to meet or exceed the nutrient requirements of goats...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28728383/potential-influence-of-csn3-and-lgb-genes-in-genetic-association-studies-of-milk-quality-traits
#4
José Luis Zepeda-Batista, Luis Antonio Saavedra-Jiménez, Agustín Ruíz-Flores, Rafael Núñez-Domínguez, Rodolfo Ramírez-Valverde
Objective: From a review of published information on genetic association studies, a meta-analysis was conducted to determine the influence of the genes CSN3 (κ-casein) and LGB (β-lactoglobulin) on milk yield traits in Holstein, Jersey, Brown Swiss, and Fleckvieh. Methods: The GLIMMIX procedure was used to analyze milk production and percentage of milk protein and fat by trait. Models included the main effects and all their possible two-way interactions; not estimable effects and non-significant (p>0...
June 26, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727038/genetic-correlations-between-wool-traits-and-carcass-traits-in-merino-sheep
#5
S I Mortimer, S Hatcher, N M Fogarty, J H J van der Werf, D J Brown, A A Swan, R H Jacob, G H Geesink, D L Hopkins, J E Hocking Edwards, E N Ponnampalam, K L Pearce, D W Pethick
Genetic correlations between 29 wool production and quality traits and 14 whole carcass measures and carcass component traits were estimated from the Information Nucleus of 8 flocks managed across a range of Australian sheep production environments and genetically linked. Wool data were from over 5,000 Merino progeny born over 5 yr, whereas carcass data were from over 1,200 wether progeny of over 176 sires, slaughtered at about 21 kg carcass weight, on average. Wool traits included yearling and adult records for wool weight, fiber diameter, fiber diameter variation, staple strength, scoured color, and visual scores for breech and body wrinkle...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726993/genetic-parameters-for-wool-traits-live-weight-and-ultrasound-carcass-traits-in-merino-sheep
#6
S I Mortimer, S Hatcher, N M Fogarty, J H J van der Werf, D J Brown, A A Swan, J C Greeff, G Refshauge, J E Hocking Edwards, G M Gaunt
Genetic correlations between 29 wool production and quality traits and live weight and ultrasound fat depth (FAT) and eye muscle depth (EMD) traits were estimated from the Information Nucleus (IN). The IN comprised 8 genetically linked flocks managed across a range of Australian sheep production environments. The data were from a maximum of 9,135 progeny born over 5 yr from 184 Merino sires and 4,614 Merino dams. The wool traits included records for yearling and adult fleece weight, fiber diameter (FD), staple length (SL), fiber diameter CV (FDCV), scoured color, and visual scores for breech and body wrinkle...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28723888/association-between-supraclavicular-brown-adipose-tissue-composition-at-birth-and-adiposity-gain-from-birth-to-6-months-age
#7
Sonja Entringer, Jerod Rasmussen, Dan M Cooper, Satoru Ikenoue, Feizal Waffarn, Steven G Potkin, Pathik D Wadhwa, Claudia Buss
BACKGROUND: Brown Adipose Tissue (BAT) is associated with higher energy expenditure and lower adiposity in adults. However, the relationship between BAT composition and adiposity in early life is unknown. The objective of this study was to test the hypothesis that brown fat composition at birth is prospectively associated with adiposity gain during the first six months of postnatal life. METHODS: N=35 healthy infants were followed prospectively from intrauterine life and birth through 6 months age...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723567/cold-inducible-sirt6-regulates-thermogenesis-of-brown-and-beige-fat
#8
Lu Yao, Xiaona Cui, Qi Chen, Xiaoying Yang, Fude Fang, Jun Zhang, Guoqing Liu, Wanzhu Jin, Yongsheng Chang
Promoting development and function of brown and beige fat may reduce obesity. Here, we show that fat SIRT6 expression is markedly induced by cold exposure and a β-adrenergic agonist. Deletion of SIRT6 in adipose tissue impairs the thermogenic function of brown adipocytes, causing a morphological "whitening" of brown fat, reduced oxygen (O2) consumption, obesity, decreased core body temperature, and cold sensitivity. Fat SIRT6-deleted mice exhibit increased blood glucose levels, severe insulin resistance, and hepatic steatosis...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28722204/loss-of-the-tumor-suppressor-gene-aip-mediates-the-browning-of-human-brown-fat-tumors
#9
Linda Magnusson, Nils Hansen, Karim H Saba, Jenny Nilsson, Thoas Fioretos, Pehr Rissler, Karolin H Nord
Human brown fat tumors (hibernomas) display concomitant loss of the tumor suppressor genes MEN1 and AIP. In the present study, we hypothesized that the brown fat phenotype is attributed to these mutations. Accordingly, we demonstrate that silencing of AIP in human brown preadipocytic and white fat cell lines results in the induction of the brown fat marker UCP1. In human adipocytic tumors, loss of MEN1 was found both in white (one out of 51 lipomas) and brown fat tumors. In contrast, concurrent loss of AIP was always accompanied by a brown fat morphology...
July 19, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28720757/integrative-analyses-of-translatome-and-transcriptome-reveal-important-translational-controls-in-brown-and-white-adipose-regulated-by-micrornas
#10
David W Reid, Dan Xu, Peng Chen, Hongyuan Yang, Lei Sun
The epidemic of obesity and diabetes has markedly spurred the research interest in adipocyte biology. Brown adipocytes are specialized for energy expenditure and of therapeutic interest for treatment of metabolic diseases, but how brown adipocytes are distinguished from white adipocytes at the level of translational regulation remains poorly understood. To systemically determine the translational control of gene expression in adipose tissue, we performed ribosome profiling and RNA-seq in parallel to depict the translatome and transcriptome changes during primary brown and white adipogenesis, and between brown and white adipose tissue...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28719892/cinnamaldehyde-ameliorates-diet-induced-obesity-in-mice-by-inducing-browning-of-white-adipose-tissue
#11
Jiacheng Zuo, Dandan Zhao, Na Yu, Xin Fang, Qianqian Mu, Yue Ma, Fangfang Mo, Rui Wu, Rufeng Ma, Lili Wang, Ruyuan Zhu, Haixia Liu, Dongwei Zhang, Sihua Gao
BACKGROUND/AIMS: Obesity has become a major health concern with few effective medications. Cinnamaldehyde (CA) has been reported to exhibit anti-diabetic and anti-inflammatory properties. However, whether CA shows anti-obesity activity remains unknown. Therefore, the present study aimed to investigate the potential anti-obesity effects of CA on mice fed a high-fat diet (HFD) and to explore the possible mechanisms involved. METHODS: Male C57BL/6J mice fed an HFD for 12 weeks were supplemented with CA (40 mg/kg/day) via gavage for an additional 8 weeks...
July 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28716822/dock2-deficiency-mitigates-high-fat-diet-induced-obesity-by-reducing-adipose-tissue-inflammation-and-increasing-energy-expenditure
#12
Xia Guo, Feifei Li, Zaiyan Xu, Amelia Yin, Hang Yin, Chenxiao Li, Shi-You Chen
Obesity is the major risk factor for type 2 diabetes, cardiovascular disorders, and many other diseases. Adipose tissue inflammation is frequently associated with obesity and contributes to the morbidity and mortality. Dedicator of cytokinesis 2 (DOCK2) is involved in several inflammatory diseases, but its role in obesity remain unknown. To explore the function of DOCK2 in obesity and insulin resistance, wild-type (WT) and DOCK2 deficient (DOCK2-/-) mice were given chow or high-fat diet (HFD) for 12 weeks followed by metabolic, biochemical and histologic analyses...
July 17, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28712377/breed-of-cow-and-herd-productivity-affect-milk-nutrient-recovery-in-curd-and-cheese-yield-efficiency-and-daily-production
#13
G Stocco, C Cipolat-Gotet, V Gasparotto, A Cecchinato, G Bittante
Little is known about cheese-making efficiency at the individual cow level, so our objective was to study the effects of herd productivity, individual herd within productivity class and breed of cow within herd by producing, then analyzing, 508 model cheeses from the milk of 508 cows of six different breeds reared in 41 multi-breed herds classified into two productivity classes (high v. low). For each cow we obtained six milk composition traits; four milk nutrient (fat, protein, solids and energy) recovery traits (REC) in curd; three actual % cheese yield traits (%CY); two theoretical %CYs (fresh cheese and cheese solids) calculated from milk composition; two overall cheese-making efficiencies (% ratio of actual to theoretical %CYs); daily milk yield (dMY); and three actual daily cheese yield traits (dCY)...
July 17, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28711599/arachidonic-acid-sex-dependently-affects-obesity-through-linking-gut-microbiota-driven-inflammation-to-hypothalamus-adipose-liver-axis
#14
Pan Zhuang, Qiyang Shou, Yanhua Lu, Guangfa Wang, Jieni Qiu, Jun Wang, Lilin He, Jingnan Chen, Jingjing Jiao, Yu Zhang
Unraveling the role of dietary lipids is beneficial to treat obesity and metabolic dysfunction. Nonetheless, how dietary lipids affect existing obesity remains unknown. Arachidonic acid (AA), a derivative of linoleic acid, is one of the crucial n-6 fatty acids. The aim of this study was to investigate whether AA affects obesity through associating microbiota-driven inflammation with hypothalamus-adipose-liver axis. Four-week old C57BL/6J mice were fed with a high-fat diet (HFD, 45% fat) for 10 weeks to induce obesity, and then fed a HFD enriched with 10 g/kg of AA or a continuous HFD in the following 15 weeks...
July 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28711354/the-roles-of-metabolic-thermogenesis-in-body-fat-regulation-in-striped-hamsters-fed-high-fat-diet-at-different-temperatures
#15
Lu-Lu Shi, Wei-Jia Fan, Ji-Ying Zhang, Xiao-Ya Zhao, Song Tan, Jing Wen, Jing Cao, Xue-Ying Zhang, Qing-Sheng Chi, De-Hua Wang, Zhi-Jun Zhao
The metabolic thermogenesis plays important roles in thermoregulation, and it may be also involved in body fat regulation. The thermogenesis of brown adipose tissue (BAT) is largely affected by ambient temperature, but it is unclear if the roles in body fat regulation are dependent on the temperature. In the present study, uncoupling protein 1 (ucp1)-based BAT thermogenesis, energy budget and body fat content were examined in the striped hamsters fed high fat diet (HF) at cold (5°C) and warm (30°C) temperatures...
July 12, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28710147/dietary-guidelines-for-breast-cancer-patients-a-critical-review
#16
REVIEW
Ana Teresa Limon-Miro, Veronica Lopez-Teros, Humberto Astiazaran-Garcia
Current dietary guidelines for breast cancer patients (BCPs) fail to address adequate dietary intakes of macro- and micronutrients that may improve patients' nutritional status. This review includes information from the PubMed and Biomed Central databases over the last 15 y concerning dietary guidelines for BCPs and the potential impact of a personalized, nutrient-specific diet on patients' nutritional status during and after antineoplastic treatment. Results indicated that BCPs should receive a nutritional assessment immediately after diagnosis...
July 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28709749/the-brown-fat-secreted-adipokine-neuregulin-4-is-decreased-in-gestational-diabetes-mellitus
#17
S Kralisch, A Hoffmann, J Kratzsch, M Blüher, M Stumvoll, M Fasshauer, T Ebert
AIMS: Neuregulin 4 has recently been recognized as a novel adipokine secreted by brown adipose tissue (BAT), with beneficial effects on murine insulin resistance and hepatic steatosis. Yet, thus far, neither regulation of neuregulin 4 in gestational diabetes mellitus (GDM) nor its longitudinal changes in the peripartum period have been elucidated. METHODS: Circulating neuregulin 4 levels were measured by ELISA in 74 women with GDM and 74 healthy, gestational-age-matched controls...
July 11, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28707153/medium-chain-enriched-diacylglycerol-mce-dag-oil-decreases-body-fat-mass-in-mice-by-increasing-lipolysis-and-thermogenesis-in-adipose-tissue
#18
Haeun Kim, Jee-Hwan Choe, Jong Hun Choi, Hun Jung Kim, Soo Hyun Park, Moon Won Lee, Wooki Kim, Gwang-Woong Go
Medium chain fatty acid (MCFA) escapes the formation of chylomicrons in the small intestine, resulting in energy expenditure through beta-oxidation. Diacylglycerol (DAG) is susceptible to oxidation rather than being stored in the adipose tissue. This study was conducted to verify the effect of MCE-DAG oil on body fat mass in vivo. Male C57BL/6 mice were randomly assigned to four groups (n = 12) as follows: (1) normal diet (18% kcal from fat), (2) canola oil as a control (40% kcal from canola oil), (3) MCE-DAG10 (10% kcal from MCE-DAG + 30% kcal from canola oil), and (4) MCE-DAG20 (20% kcal from MCE-DAG + 20% kcal from canola oil)...
July 13, 2017: Lipids
https://www.readbyqxmd.com/read/28704221/mechanisms-associated-with-physical-activity-behavior-insights-from-rodent-experiments
#19
Michael D Roberts, Gregory N Ruegsegger, Jacob D Brown, Frank W Booth
Dopaminergic signaling differences in the nucleus accumbens (NAcc) seemingly predispose rats to adopt different physical activity behaviors. Physical activity behavior may also be regulated through peripheral mechanisms (i.e., muscle and fat-derived as well as hormonal signals). We hypothesize that physical activity behavior is regulated by the convergence of central and peripheral mechanisms onto the nucleus accumbens.
July 12, 2017: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/28702330/neonatal-glp1r-activation-limits-adult-adiposity-by-durably-altering-hypothalamic-architecture
#20
Andrea V Rozo, Daniella A Babu, PoMan A Suen, David N Groff, Randy J Seeley, Rebecca A Simmons, Patrick Seale, Rexford S Ahima, Doris A Stoffers
OBJECTIVE: Adult obesity risk is influenced by alterations to fetal and neonatal environments. Modifying neonatal gut or neurohormone signaling pathways can have negative metabolic consequences in adulthood. Here we characterize the effect of neonatal activation of glucagon like peptide-1 (GLP-1) receptor (GLP1R) signaling on adult adiposity and metabolism. METHODS: Wild type C57BL/6 mice were injected with 1 nmol/kg Exendin-4 (Ex-4), a GLP1R agonist, for 6 consecutive days after birth...
July 2017: Molecular Metabolism
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