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Protein AND Fat conversion

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https://www.readbyqxmd.com/read/28739602/loss-of-prion-protein-is-associated-with-the-development-of-insulin-resistance-and-obesity
#1
Giovanna Brito, Fernada C S Lupinacci, Flávio H Beraldo, Tiago G Santos, Martin Roffé, Marilene H Lopes, Vladmir C C de Lima, Vilma R Martins, Glaucia N M Hajj
Prion protein (PrP(C)) was initially described due to its involvement in transmissible spongiform encephalopathies. It was subsequently demonstrated to be a cell surface molecule involved in many physiological processes, such as vesicle trafficking. Herein, we investigated the roles of PrP(C) in the response to insulin and obesity development.  Two independent PrP(C) knockout (KO) and one PrP(C) overexpressing (TG20) mouse models were fed high-fat diets, and the development of insulin resistance and obesity was monitored...
July 24, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28726640/c1q-tnf-related-protein-6-ctrp6-links-obesity-to-adipose-tissue-inflammation-and-insulin-resistance
#2
Xia Lei, Marcus M Seldin, Hannah C Little, Nicholas Choy, Thomas Klonisch, G William Wong
Obesity is associated with chronic low-grade inflammation, and metabolic regulators linking obesity to inflammation have therefore received much attention. Secreted C1q/TNF-related proteins (CTRPs) are one such group of regulators that regulate glucose and fat metabolism in peripheral tissues and modulate inflammation in adipose tissue. We have previously shown that expression of CTRP6 is up-regulated in leptin-deficient mice and, conversely, down-regulated by the anti-diabetic drug, rosiglitazone. Here, we provide evidence for a novel role of CTRP6 in modulating both inflammation and insulin sensitivity...
July 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28723566/genome-wide-rnai-screen-for-fat-regulatory-genes-in-c-%C3%A2-elegans-identifies-a-proteostasis-ampk-axis-critical-for-starvation-survival
#3
Christopher M Webster, Elizabeth C Pino, Christopher E Carr, Lianfeng Wu, Ben Zhou, Lucydalila Cedillo, Michael C Kacergis, Sean P Curran, Alexander A Soukas
Organisms must execute metabolic defenses to survive nutrient deprivation. We performed a genome-wide RNAi screen in Caenorhabditis elegans to identify fat regulatory genes indispensable for starvation resistance. Here, we show that opposing proteostasis pathways are principal determinants of starvation survival. Reduced function of cytoplasmic aminoacyl tRNA synthetases (ARS genes) increases fat mass and extends starvation survival, whereas reduced proteasomal function reduces fat and starvation survival. These opposing pathways converge on AMP-activated protein kinase (AMPK) as the critical effector of starvation defenses...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28711683/anti-obesogenic-effects-of-wy14643-ppar-alpha-agonist-hepatic-mitochondrial-enhancement-and-suppressed-lipogenic-pathway-in-diet-induced-obese-mice
#4
Flavia Maria Silva Veiga, Francielle Graus-Nunes, Tamiris Lima Rachid, Aline Barcellos Barreto, Carlos Alberto Mandarim-de-Lacerda, Vanessa Souza-Mello
Non-alcoholic fatty liver disease (NAFLD) presents with growing prevalence worldwide, though its pharmacological treatment remains to be established. This study aimed to evaluate the effects of a PPAR-alpha agonist on liver tissue structure, ultrastructure, and metabolism, focusing on gene and protein expression of de novo lipogenesis and gluconeogenesis pathways, in diet-induced obese mice. Male C57BL/6 mice (three months old) received a control diet (C, 10% of lipids, n = 10) or a high-fat diet (HFD, 50% of lipids, n = 10) for ten weeks...
July 12, 2017: Biochimie
https://www.readbyqxmd.com/read/28710289/nutritional-modulation-of-metabolic-inflammation
#5
REVIEW
Anna M Kirwan, Yvonne M Lenighan, Marcella E O'Reilly, Fiona C McGillicuddy, Helen M Roche
Metabolic inflammation is a very topical area of research, wherein aberrations in metabolic and inflammatory pathways probably contribute to atherosclerosis, insulin resistance (IR) and type 2 diabetes. Metabolic insults arising from obesity promote inflammation, which in turn impedes insulin signalling and reverse cholesterol transport (RCT). Key cells in the process are metabolically activated macrophages, which up-regulate both pro- and anti-inflammatory pathways in response to lipid spillover from adipocytes...
July 14, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28701247/the-effect-of-dietary-addition-of-nitrate-or-increase-in-lipid-concentrations-alone-or-in-combination-on-performance-and-methane-emissions-of-beef-cattle
#6
C-A Duthie, S M Troy, J J Hyslop, D W Ross, R Roehe, J A Rooke
Adding nitrate to or increasing the concentration of lipid in the diet are established strategies for reducing enteric methane (CH4) emissions, but their effectiveness when used in combination has been largely unexplored. This study investigated the effect of dietary nitrate and increased lipid included alone or together on CH4 emissions and performance traits of finishing beef cattle. The experiment was a 2×4 factorial design comprising two breeds (cross-bred Aberdeen Angus (AAx) and cross-bred Limousin (LIMx) steers) and four dietary treatments (each based on 550 g forage : 450 g concentrate/kg dry matter (DM))...
July 13, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28699892/dpp-4-enzyme-deficiency-protects-kidney-from-acute-ischemia-reperfusion-injury-role-for-remote-intermittent-bowel-ischemia-reperfusion-preconditioning
#7
Yen-Ta Chen, Christopher Glenn Wallace, Chih-Chao Yang, Chih-Hung Chen, Kuan-Hung Chen, Pei-Hsun Sung, Yung-Lung Chen, Han-Tan Chai, Sheng-Ying Chung, Sarah Chua, Fan-Yen Lee, Sheung-Fat Ko, Mel S Lee, Hon-Kan Yip
We analyzed the effects of acute ischemia-reperfusion (KIR) injury on the status of kidney function and architecture in dipeptidyl peptidase4-difficient (DPP4D) rats and the effect of remote small bowel ischemia-reperfusion (BIR) preconditioning. DPP4-deficient (DPP4D) and normal Fischer344 (F344) rats were divided into 6 groups: (1) sham-F344, (2) sham-DPP4D, (3) KIR-F344 (4) KIR-DPP4D, (5) DPP4D-KIR-extendin-9-39 and (6) BIR-KIR-F344. Blood creatinine and urea nitrogen levels and the urinary protein-to-creatinine ratio was higher in KIR-F344 rats than BIR-KIR-F344 or KIR-DPP4D rats 72 h after acute KIR...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28679553/maternal-protein-intake-in-pregnancy-and-offspring-metabolic-health-at-age-9-16-y-results-from-a-danish-cohort-of-gestational-diabetes-mellitus-pregnancies-and-controls
#8
Ekaterina Maslova, Susanne Hansen, Louise Groth Grunnet, Marin Strøm, Anne Ahrendt Bjerregaard, Line Hjort, Freja Bach Kampmann, Camilla Møller Madsen, A C Baun Thuesen, Bodil Hammer Bech, Thorhallur I Halldorsson, Allan A Vaag, Sjurdur F Olsen
Background: Recent years have seen strong tendencies toward high-protein diets. However, the implications of higher protein intake, especially during developmentally sensitive periods, are poorly understood. Conversely, evidence on the long-term developmental consequences of low protein intake in free-living populations remains limited.Objective: We examined the association of protein intake in pregnancy with offspring metabolic health at age 9-16 y in a longitudinal cohort that oversampled pregnancies with gestational diabetes mellitus (GDM)...
July 5, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28678735/browning-formation-markers-of-subcutaneous-adipose-tissue-in-relation-to-resting-energy-expenditure-physical-activity-and-diet-in-humans
#9
Petros C Dinas, Angelica Valente, Marnie Granzotto, Marco Rossato, Roberto Vettor, Aikaterini Zacharopoulou, Andres E Carrillo, Natalie A Davies, Paraskevi Gkiata, Athanasios Z Jamurtas, Yiannis Koutedakis, George S Metsios, Andreas D Flouris
Background Regular exercise and diet may contribute to white adipose tissue (WAT) conversion into a brown adipose-like phenotype that may increase resting energy expenditure (REE), leading to weight loss. We examined the relationship between REE, physical activity (PA) participation and diet with browning formation markers of subcutaneous WAT in healthy men. Materials and methods We assessed REE, diet and body composition of 32 healthy men [age (years): 36.06 ± 7.36, body mass index (BMI): 27.06 ± 4.62 (kg/m2)]...
July 5, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28668528/effect-of-stocking-rate-and-animal-genotype-on-dry-matter-intake-milk-production-body-weight-and-body-condition-score-in-spring-calving-grass-fed-dairy-cows
#10
E L Coffey, L Delaby, S Fitzgerald, N Galvin, K M Pierce, B Horan
The objective of the experiment was to quantify the effect of stocking rate (SR) and animal genotype on milk production, dry matter intake (DMI), energy balance, and production efficiency across 2 consecutive grazing seasons (2014 and 2015). A total of 753 records from 177 dairy cows were available for analysis: 68 Holstein-Friesian and 71 Jersey × Holstein-Friesian (JxHF) cows each year of the experiment under a pasture-based seasonal production system. Animals within each breed group were randomly allocated to 1 of 3 whole-farm SR treatments defined in terms of body weight per hectare (kg of body weight/ha): low (1,200 kg of body weight/ha), medium (1,400 kg of body weight/ha), and high (1,600 kg of body weight/ha), and animals remained in the same SR treatments for the duration of the experiment...
June 28, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28659893/live-probiotic-lactobacillus-johnsonii-bs15-promotes-growth-performance-and-lowers-fat-deposition-by-improving-lipid-metabolism-intestinal-development-and-gut-microflora-in-broilers
#11
Hesong Wang, Xueqin Ni, Xiaodan Qing, Dong Zeng, Min Luo, Lei Liu, Guangyao Li, Kangcheng Pan, Bo Jing
Numerous studies have focused on the beneficial effects of probiotics in animals. Even so, additional information should be obtained about the mechanisms by which a useful probiotic strain successfully exerts such beneficial effects. In this study, we evaluated the effect of the dietary supplementation of both live and disrupted Lactobacillus johnsonii (LJ) strain BS15 in broilers at different ages. Specifically, growth performance, lipid metabolism, gut microbiota, intestinal development, and digestive ability of the broilers were assessed...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28612954/effect-of-graded-levels-of-dietary-corn-steep-liquor-on-growth-performance-nutrient-digestibility-haematology-and-histopathology-of-broilers
#12
Z Ullah, M Yousaf, M M Shami, M Sharif, Kh Mahrose
This experiment was conducted to assess nutritional potential of corn steep liquor (CSL) as an alternative protein source in broiler's diet. A total of 280-day-old unsexed broiler chicks were randomly distributed into four experimental groups in a simple randomised experimental design (each group had seven replicates; 10 birds per each). Four iso-nitrogenous and iso-caloric broiler starter and finisher diets (C, LCSL, MCSL and HCSL) were formulated containing 0%, 5%, 10% and 15% CSL respectively. Results revealed that chicks fed MCSL diet had significantly (p ≤ ...
June 14, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28603877/effects-of-moringa%C3%A2-oleifera-leaves-as-a-substitute-for-alfalfa-meal-on-nutrient-digestibility-growth-performance-carcass-trait-meat-quality-antioxidant-capacity-and-biochemical-parameters-of-rabbits
#13
B Sun, Y Zhang, M Ding, Q Xi, G Liu, Y Li, D Liu, X Chen
This contribution reports the effects of Moringa oleifera leaves (MOLs) meal on the growth performances, nutrient digestibility, carcass trait, meat quality, antioxidant capacity and biochemical parameters of growing New Zealand white rabbits. The MOL was substituted for alfalfa meal at levels of 0, 10%, 20% and 30% to obtain respective diets MOL0, MOL10, MOL20 and MOL30. Each treatment was replicated five times with 10 rabbits per replicate. Results showed the average daily weight gain (ADWG) and feed conversion ratio (FCR) of rabbits fed MOL20 diet were significantly better (p < 0...
June 12, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28566287/the-prolyl-isomerase-pin1-increases-%C3%AE-cell-proliferation-and-enhances-insulin-secretion
#14
Yusuke Nakatsu, Keiichi Mori, Yasuka Matsunaga, Takeshi Yamamotoya, Koji Ueda, Yuki Inoue, Keiko Mitsuzaki-Miyoshi, Hideyuki Sakoda, Midori Fujishiro, Suguru Yamaguchi, Akifumi Kushiyama, Hiraku Ono, Hisamitsu Ishihara, Tomoichiro Asano
The prolyl isomerase Pin1 binds to the phosphorylated Ser/Thr-Pro motif of target proteins and enhances their cis-trans conversion. This report is the first to show that Pin1 expression in pancreatic β cells is markedly elevated by high-fat diet feeding and in ob/ob mice. To elucidate the role of Pin1 in pancreatic β cells, we generated β-cell-specific Pin1 KO (βPin1 KO) mice. These mutant mice showed exacerbation of glucose intolerance but had normal insulin sensitivity. We identified two independent factors underlying impaired insulin secretion in the βPin1 KO mice...
July 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28541534/effect-of-maternal-obesity-on-placental-lipid-metabolism
#15
Virtu Calabuig-Navarro, Maricela Haghiac, Judi Minium, Patricia Glazebrook, Geraldine Cheyana Ranasinghe, Charles Hoppel, Sylvie Hauguel de-Mouzon, Patrick Catalano, Perrie O'Tierney-Ginn
Obese women, on average, give birth to babies with high fat mass. Placental lipid metabolism alters fetal lipid delivery, potentially moderating neonatal adiposity, yet how it is affected by maternal obesity is poorly understood. We hypothesized that fatty acid (FA) accumulation (esterification) is higher, and FA oxidation (FAO) is lower, in placentas from obese, compared to lean women. We assessed acylcarnitine profiles (lipid oxidation intermediates) in mother-baby-placenta triads, in addition to lipid content, and mRNA/protein expression of key regulators of FA metabolism pathways, in placentas of lean and obese women with normal glucose tolerance recruited at scheduled term Cesarean delivery...
May 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28507406/evaluation-of-different-agroindustrial-waste-on-the-effect-of-different-carcass-characteristics-and-physiological-and-biochemical-parameters-in-broilers-chicken
#16
Y Sánchez-Roque, Y D C Pérez-Luna, E Pérez-Luna, R Berrones Hernández, S Saldaña-Trinidad
AIM: This study was conducted to evaluate the physiological and biochemical effect in chickens of the Ross breed of a food enriched with agroindustrial waste. MATERIALS AND METHODS: The food is one of the main components of the total cost for the production of chickens. Rations should be formulated to provide the correct balance of energy, protein, amino acids, minerals, vitamins and essential fatty acids, to allow optimal growth and performance. This study was intended to evaluate a natural feed for chicken, made from corn, yucca meal, eggshells, orange peel, soybean meal, salt and garlic, enriched with agroindustrial waste (molasses, milk whey and ferment of coffee)...
April 2017: Veterinary World
https://www.readbyqxmd.com/read/28501401/milk-production-and-composition-nitrogen-utilization-and-grazing-behavior-of-late-lactation-dairy-cows-as-affected-by-time-of-allocation-of-a-fresh-strip-of-pasture
#17
R E Vibart, M Tavendale, D Otter, B H Schwendel, K Lowe, P Gregorini, D Pacheco
Eighty late-lactation dairy cows were used to examine the effects of allocating a new pasture strip of a sward based on ryegrass (Lolium perenne L.) in the morning (a.m.; ∼0730 h) or in the afternoon (p.m.; ∼1530 h) on milk production and composition, nitrogen (N) utilization, and grazing behavior. Cows grazed the same pasture strips for 24 h and were offered the same daily herbage allowance. Herbage composition differed among treatments; p.m. herbage had greater dry matter (DM; 22.7 vs. 19.9%), organic matter (OM; 89...
July 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28491041/describing-the-diapause-preparatory-proteome-of-the-beetle-colaphellus-bowringi-and-identifying-candidates-affecting-lipid-accumulation-using-isobaric-tags-for-mass-spectrometry-based-proteome-quantification-itraq
#18
Qian-Qian Tan, Wen Liu, Fen Zhu, Chao-Liang Lei, Daniel A Hahn, Xiao-Ping Wang
Prior to entering diapause, insects must prepare themselves physiologically to withstand the stresses of arresting their development for a lengthy period. While studies describing the biochemical and cellular milieu of the maintenance phase of diapause are accumulating, few studies have taken an "omics" approach to describing molecular events during the diapause preparatory phase. We used isobaric tags and mass spectrometry (iTRAQ) to quantitatively compare the expression profiles of proteins identified during the onset of diapause preparation phase in the heads of adult female cabbage beetles, Colaphellus bowringi...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28462773/reducing-the-cp-content-in-broiler-feeds-impact-on-animal-performance-meat-quality-and-nitrogen-utilization
#19
P Belloir, B Méda, W Lambert, E Corrent, H Juin, M Lessire, S Tesseraud
Reducing the dietary CP content is an efficient way to limit nitrogen excretion in broilers but, as reported in the literature, it often reduces performance, probably because of an inadequate provision in amino acids (AA). The aim of this study was to investigate the effect of decreasing the CP content in the diet on animal performance, meat quality and nitrogen utilization in growing-finishing broilers using an optimized dietary AA profile based on the ideal protein concept. Two experiments (1 and 2) were performed using 1-day-old PM3 Ross male broilers (1520 and 912 for experiments 1 and 2, respectively) using the minimum AA:Lys ratios proposed by Mack et al...
May 2, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28429609/chemical-evaluation-of-the-rhynchophorus-ferrugineus-larvae-fed-on-different-substrates-as-human-food-source
#20
Annarita Cito, Santi Longo, Giuseppe Mazza, Elena Dreassi, Valeria Francardi
We investigated the chemical composition of the weevil Rhynchophorus ferrugineus larvae, traditionally used as human food in Asia and known worldwide as one of the most significant pest for palm trees. Total fat content and fatty acid composition were analyzed using standard methodologies in (1) weevil larvae reared on apple fruit slices and wild specimens collected from attacked (2) Phoenix canariensis and (3) Syagrus romanzoffiana palm trees. Total fat content was extremely high in all the specimens (ranged between 57...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
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