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Protein AND Fat conversion

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https://www.readbyqxmd.com/read/28304022/altering-the-level-of-calcium-changes-the-physical-properties-and-digestibility-of-casein-based-emulsion-gels
#1
Irene McIntyre, Michael O Sullivan, Dolores O Riordan
Casein-based emulsion gels prepared with different types of lipid (i.e. milk fat or rapeseed oil) were formulated with high (774 mg Ca per 100 g) or low (357 mg Ca per 100 g) calcium levels by blending acid and rennet casein. Their physicochemical characteristics (i.e. composition, texture, microstructure & water mobility) and in vitro digestibility were compared to conventionally formulated high-calcium (723 mg Ca per 100 g) emulsion gels made from rennet casein with calcium chelating salts (CCS). CCS-free, high-calcium emulsion gels were significantly (p ≤ 0...
March 17, 2017: Food & Function
https://www.readbyqxmd.com/read/28295656/effect-of-dietary-polyphenol-rich-grape-seed-on-growth-performance-antioxidant-capacity-and-ileal-microflora-in-broiler-chicks
#2
S H Abu Hafsa, S A Ibrahim
In this study, we examined the effect of dietary supplementation with grape seed (GS) on the performance, carcass traits, plasma biochemistry, antioxidant status and ileal microflora in broilers. Experiment diets included a control diet (without additive) and three levels of GS powder (10, 20 and 40 g/kg of diet). Each diet was fed to a total of 300 one-day-old Cobb-500 chicks for 42 days. The addition of 20 g/kg of GS to the basal diet increased final body weight and body weight gain, improved the feed conversion ratio and did not affect feed intake...
March 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28288562/genetic-diversity-and-signatures-of-selection-in-various-goat-breeds-revealed-by-genome-wide-snp-markers
#3
Luiz F Brito, James W Kijas, Ricardo V Ventura, Mehdi Sargolzaei, Laercio R Porto-Neto, Angela Cánovas, Zeny Feng, Mohsen Jafarikia, Flávio S Schenkel
BACKGROUND: The detection of signatures of selection has the potential to elucidate the identities of genes and mutations associated with phenotypic traits important for livestock species. It is also very relevant to investigate the levels of genetic diversity of a population, as genetic diversity represents the raw material essential for breeding and has practical implications for implementation of genomic selection. A total of 1151 animals from nine goat populations selected for different breeding goals and genotyped with the Illumina Goat 50K single nucleotide polymorphisms (SNP) Beadchip were included in this investigation...
March 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28287402/hdac6-mediated-acetylation-of-lipid-droplet-binding-protein-cidec-regulates-fat-induced-lipid-storage
#4
Hui Qian, Yuanying Chen, Zongqian Nian, Lu Su, Haoyong Yu, Feng-Jung Chen, Xiuqin Zhang, Wenyi Xu, Linkang Zhou, Jiaming Liu, Jinhai Yu, Luxin Yu, Yan Gao, Hongchao Zhang, Haihong Zhang, Shimin Zhao, Li Yu, Rui-Ping Xiao, Yuqian Bao, Shaocong Hou, Pingping Li, Jiada Li, Haiteng Deng, Weiping Jia, Peng Li
Obesity is characterized by aberrant fat accumulation. However, the intracellular signaling pathway that senses dietary fat and leads to fat storage remains elusive. Here, we have observed that the levels of histone deacetylase 6 (HDAC6) and the related family member HDAC10 are markedly reduced in adipose tissues of obese animals and humans. Mice with adipocyte-specific depletion of Hdac6 exhibited increased fat accumulation and reduced insulin sensitivity. In normal adipocytes, we found that reversal of P300/CBP-associated factor-induced (PCAF-induced) acetylation at K56 on cell death-inducing DFFA-like effector C (CIDEC, also known as FSP27) critically regulated lipid droplet fusion and lipid storage...
March 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28284693/the-effects-of-cell-death-inducing-dna-fragmentation-factor-%C3%AE-like-effector-c-on-milk-lipid-synthesis-in-mammary-glands-of-dairy-cows
#5
Yang Yang, Ye Lin, Xiaoyu Duan, He Lv, Weinan Xing, Qingzhang Li, Xuejun Gao, Xiaoming Hou
Adequate lipid synthesis by the mammary gland during lactation is essential for the survival of mammalian offspring. Cell death-inducing DNA fragmentation factor-α-like effector C (CIDEC) is a lipid droplet-associated protein and functions to promote lipid accumulation and inhibit lipolysis in mice and human adipocytes. However, the function of CIDEC in regulation of milk lipid synthesis in dairy cow mammary gland remains largely unknown. In this study, 6 multiparous Holstein cows (parity = 3) in early lactation were allocated to high-fat milk (milk yield 33...
March 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28278126/impact-of-substrate-contamination-with-mycotoxins-heavy-metals-and-pesticides-on-growth-performance-and-composition-of-black-soldier-fly-larvae-hermetia-illucens-for-use-in-the-feed-and-food-value-chain
#6
Benedict Purschke, Rafaela Scheibelberger, Sonja Axmann, Andreas Adler, Henry Jäger
Edible insects have emerged as an alternative and sustainable source of high-quality, animal-derived protein and fat for livestock production or direct human nutrition. During production of insects, substrate quality is a key parameter to assure optimal insect biomass gain as well as the safety of feed and food derived from commercially reared insects. Therefore, the influence of a realistic substrate contamination scenario on growth performance and accumulation behaviour of black soldier fly larvae (BSFL, Hermetia illucens L...
February 26, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28277606/a-novel-spore-wall-protein-from-antonospora-locustae-microsporidia-nosematidae-contributes-to-sporulation
#7
Longxin Chen, Runting Li, Yinwei You, Kun Zhang, Long Zhang
Microsporidia are obligate intracellular parasites, existing in a wide variety of animal hosts. Here, we reported AlocSWP2, a novel protein identified from the spore wall of Antonospora locustae (formerly, Nosema locustae, and synonym, Paranosema locustae), containing four cysteines that are conserved among the homologues of several Microspodian pathogens in insects and mammals. AlocSWP2 was detected in the wall of mature spores via indirect immunofluorescence assay. In addition, immunocytochemistry localization experiments showed that the protein was observed in the wall of sporoblasts, sporonts, and meronts during sporulation within the host body, also in the wall of mature spores...
March 9, 2017: Journal of Eukaryotic Microbiology
https://www.readbyqxmd.com/read/28273447/dynamin-related-protein-1-dependent-mitochondrial-fission-changes-in-the-dorsal-vagal-complex-regulate-insulin-action
#8
Beatrice M Filippi, Mona A Abraham, Pamuditha N Silva, Mozhgan Rasti, Mary P LaPierre, Paige V Bauer, Jonathan V Rocheleau, Tony K T Lam
Mitochondria undergo dynamic changes to maintain function in eukaryotic cells. Insulin action in parallel regulates glucose homeostasis, but whether specific changes in mitochondrial dynamics alter insulin action and glucose homeostasis remains elusive. Here, we report that high-fat feeding in rodents incurred adaptive dynamic changes in mitochondria through an increase in mitochondrial fission in parallel to an activation of dynamin-related protein 1 (Drp1) in the dorsal vagal complex (DVC) of the brain. Direct inhibition of Drp1 negated high-fat-feeding-induced mitochondrial fission, endoplasmic reticulum (ER) stress, and insulin resistance in the DVC and subsequently restored hepatic glucose production regulation...
March 7, 2017: Cell Reports
https://www.readbyqxmd.com/read/28265370/evaluation-of-the-proximate-composition-antioxidant-potential-and-antimicrobial-activity-of-mango-seed-kernel-extracts
#9
Jane K Mutua, Samuel Imathiu, Willis Owino
After pulp extraction in fruit processing industry, a significant quantity of mango seed kernels are discarded as solid wastes. These seed kernels can be ideal raw materials for obtaining extracts rich in bioactive compounds with good antioxidant properties. The conversion of these wastes into utilizable food ingredients would help in reducing environmental problems associated with processing waste disposal. In order to determine their potential use, this study evaluated some of the biochemical characteristics and antimicrobial potential of mango seed kernel extracts on medically important human bacterial and fungal pathogens...
March 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28257045/perceptions%C3%A2-and%C3%A2-knowledge%C3%A2-of%C3%A2-nuts%C3%A2-amongst%C3%A2-health%C3%A2-professionals%C3%A2-in%C3%A2-new%C3%A2-zealand
#10
Rachel C Brown, Lee Ching Yong, Andrew R Gray, Siew Ling Tey, Alexandra Chisholm, Sook Ling Leong
Despite their nutritional value, population-level nut consumption remains low. Studies suggest that individuals would eat more nuts on their doctor's advice, making health professionals potentially important for promoting nut consumption. This cross-sectional study aimed to examine the perceptions and knowledge of nuts and the predictors of nut promotion among health professionals in New Zealand. Dietitians, general practitioners (GPs), and practice nurses were identified from the Electoral Roll and invited to complete a questionnaire (n = 318, 292, and 149 respondents respectively)...
March 1, 2017: Nutrients
https://www.readbyqxmd.com/read/28254619/20-hydroxyecdysone-activates-pgrp-sa-mediated-immune-response-in-locusta-migratoria
#11
Pengfei Han, Jiao Han, Jiqiao Fan, Min Zhang, Enbo Ma, Sheng Li, Renjun Fan, Jianzhen Zhang
20-hydroxyecdysone (20E) has been implicated in regulating the immune response in insects. Conflicting conclusions on 20E regulating immunity have been reported in model holometabolous species. However, in hemimetabolous insects, the role of 20E as an immune-suppressor or activator and the mechanism remains unclear. The migratory locust Locusta migratoria is a representative member of hemimetabolous insects. Here, digital gene expression (DGE) profiles of Locusta migratoria treated with 20E were analyzed. Pattern recognition receptors [peptidoglycan recognition protein (PGRP-SA), PGRP-LE, and gram-negative binding protein (GNBP3)] and antimicrobial peptides (defensin, diptericin, and i-type lysozyme) were significantly induced by 20E in fat body...
February 27, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28253030/case-study-the-effect-of-32-weeks-of-figure-contest-preparation-on-a-self-proclaimed-drug-free-female-s-lean-body-and-bone-mass
#12
John Petrizzo, Frederick J DiMenna, Kimberly Martins, John Wygand, Robert M Otto
To achieve the criterion appearance prior to competing in a physique competition, athletes undergo preparatory regimens involving high-volume intense resistance and aerobic exercise with hypocaloric energy intake. As the popularity of "drug-free" competition increases, more athletes are facing this challenge without the recuperative advantage provided by performance-enhancing drugs. Consequently, the likelihood of loss of lean body and/or bone mass is increased. The purpose of this investigation was to monitor changes in body composition for a 29-year-old self-proclaimed drug-free female figure competitor during a 32-week preparatory regimen comprising high-volume resistance and aerobic exercise with hypocaloric energy intake...
March 2, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28201934/feeding-value-of-field-beans-vicia-faba-l-var-minor-with-and-without-enzyme-containing-tannase-pectinase-and-xylanase-activities-for-broilers
#13
Jalil Mahmwd Abdulla, Stephen Paul Rose, Alexander Mackay Mackenzie, Vasil Radoslavov Pirgozliev
Effects of field beans with various tannin content and exogenous enzyme mixture containing tannase, pectinase and xylanase activities on N-corrected dietary apparent metabolisable energy (AMEn), coefficients of dry matter (DMR) and nitrogen retention (NR), fat digestibility, gastrointestinal tract (GIT) development, jejunal villus morphometry, ileal digesta viscosity and sialic acid were examined. Birds' growth performance and energy conversion ratio (ECR) were also measured. Birds were fed one of eight mash diets...
April 2017: Archives of Animal Nutrition
https://www.readbyqxmd.com/read/28145475/diffuse-optical-spectroscopy-and-imaging-to-detect-and-quantify-adipose-tissue-browning
#14
U S Dinish, Chi Lok Wong, Sandhya Sriram, Wee Kiat Ong, Ghayathri Balasundaram, Shigeki Sugii, Malini Olivo
Adipose (fat) tissue is a complex metabolic organ that is highly active and essential. In contrast to white adipose tissue (WAT), brown adipose tissue (BAT) is deemed metabolically beneficial because of its ability to burn calories through heat production. The conversion of WAT-resident adipocytes to "beige" or "brown-like" adipocytes has recently attracted attention. However, it typically takes a few days to analyze and confirm this browning of WAT through conventional molecular, biochemical, or histological methods...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28132686/decreased-stard10-expression-is-associated-with-defective-insulin-secretion-in-humans-and-mice
#15
Gaelle R Carrat, Ming Hu, Marie-Sophie Nguyen-Tu, Pauline Chabosseau, Kyle J Gaulton, Martijn van de Bunt, Afshan Siddiq, Mario Falchi, Matthias Thurner, Mickaël Canouil, Francois Pattou, Isabelle Leclerc, Timothy J Pullen, Matthew C Cane, Priyanka Prabhala, William Greenwald, Anke Schulte, Piero Marchetti, Mark Ibberson, Patrick E MacDonald, Jocelyn E Manning Fox, Anna L Gloyn, Philippe Froguel, Michele Solimena, Mark I McCarthy, Guy A Rutter
Genetic variants near ARAP1 (CENTD2) and STARD10 influence type 2 diabetes (T2D) risk. The risk alleles impair glucose-induced insulin secretion and, paradoxically but characteristically, are associated with decreased proinsulin:insulin ratios, indicating improved proinsulin conversion. Neither the identity of the causal variants nor the gene(s) through which risk is conferred have been firmly established. Whereas ARAP1 encodes a GTPase activating protein, STARD10 is a member of the steroidogenic acute regulatory protein (StAR)-related lipid transfer protein family...
February 2, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28128199/a-fabp-mediates-adaptive-thermogenesis-by-promoting-intracellular-activation-of-thyroid-hormones-in-brown-adipocytes
#16
Lingling Shu, Ruby L C Hoo, Xiaoping Wu, Yong Pan, Ida P C Lee, Lai Yee Cheong, Stefan R Bornstein, Xianglu Rong, Jiao Guo, Aimin Xu
The adipokine adipocyte fatty acid-binding protein (A-FABP) has been implicated in obesity-related cardio-metabolic complications. Here we show that A-FABP increases thermogenesis by promoting the conversion of T4 to T3 in brown adipocytes. We find that A-FABP levels are increased in both white (WAT) and brown (BAT) adipose tissues and the bloodstream in response to thermogenic stimuli. A-FABP knockout mice have reduced thermogenesis and whole-body energy expenditure after cold stress or after feeding a high-fat diet, which can be reversed by infusion of recombinant A-FABP...
January 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28109596/genotype-by-environment-climate-interaction-improves-genomic-prediction-for-production-traits-in-us-holstein-cattle
#17
F Tiezzi, G de Los Campos, K L Parker Gaddis, C Maltecca
Genotype by environment interaction (G × E) in dairy cattle productive traits has been shown to exist, but current genetic evaluation methods do not take this component into account. As several environmental descriptors (e.g., climate, farming system) are known to vary within the United States, not accounting for the G × E could lead to reranking of bulls and loss in genetic gain. Using test-day records on milk yield, somatic cell score, fat, and protein percentage from all over the United States, we computed within herd-year-season daughter yield deviations for 1,087 Holstein bulls and regressed them on genetic and environmental information to estimate variance components and to assess prediction accuracy...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28103301/differences-in-beef-quality-between-angus-bos-taurus-taurus-and-nellore-bos-taurus-indicus-cattle-through-a-proteomic-and-phosphoproteomic-approach
#18
Rafael Torres de Souza Rodrigues, Mario Luiz Chizzotti, Camilo Elber Vital, Maria Cristina Baracat-Pereira, Edvaldo Barros, Karina Costa Busato, Rafael Aparecido Gomes, Márcio Machado Ladeira, Taiane da Silva Martins
Proteins are the major constituents of muscle and are key molecules regulating the metabolic changes during conversion of muscle to meat. Brazil is one of the largest exporters of beef and most Brazilian cattle are composed by zebu (Nellore) genotype. Bos indicus beef is generally leaner and tougher than Bos taurus such as Angus. The aim of this study was to compare the muscle proteomic and phosphoproteomic profile of Angus and Nellore. Seven animals of each breed previously subjected the same growth management were confined for 84 days...
2017: PloS One
https://www.readbyqxmd.com/read/28088923/an-assessment-of-the-influence-of-macronutrients-on-growth-performance-and-nutrient-utilisation-in-broiler-chickens-by-nutritional-geometry
#19
Sonia Y Liu, Peter H Selle, David Raubenheimer, David J Cadogan, Stephen J Simpson, Aaron J Cowieson
The right-angled triangle mixture experiment was designed to include fourteen diets with different concentrations of starch, protein and lipid. Experimental diets were offered to male Ross 308 broiler chickens from 10 to 23 d after hatching, and response curves and surfaces were generated to illustrate the influence of macronutrients on growth performance and nutrient utilisations. Despite the primary function of macronutrients, especially protein, may not be providing energy, macronutrients were expressed as energy derived from starch, protein and fat for statistical purposes in the mixture design...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/28051762/impact-of-long-term-high-fat-diet-intake-gestational-protein-restricted-offspring-on-kidney-morphology-and-function
#20
V H G Rizzi, L D B Sene, C D B Fernandez, J A R Gontijo, P A Boer
Emerging evidence highlights the far-reaching consequences of high-fat diet (HFD) and obesity on kidney morphological and functional disorders. In the present study, we aim to evaluate the effects of early HFD intake on renal function and morphology in maternal protein-restricted offspring (LP). LP and normal protein-intake offspring (NP) were fed HFD (LPH and NPH, respectively) or standard rodent (LPN and NPN) diet from the 8th to 13th week of age. Blood pressure, kidney function, immunohistochemistry and scanning electron microscopy were analyzed...
February 2017: Journal of Developmental Origins of Health and Disease
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