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  1 / 19132 MEDLINE  
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[PMID]:29243311
[Au] Autor:Oehler DA; Novak BJ; Schmid SC; Huth KJ; Totha AI; Audhya T
[Ad] Endereço:Wildlife Conservation Society, Bronx, New York.
[Ti] Título:Husbandry protocols for the Band-tailed pigeon, Patagioenas fasciata albilinea, at the WCS, Bronx Zoo for future conservation management programs.
[So] Source:Zoo Biol;37(1):46-53, 2018 Jan.
[Is] ISSN:1098-2361
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:From 2015 to 2016 we determined the husbandry protocols involved in the captive rearing of the Band-tailed Pigeon (BTPI), Patagioenas fascinate albilinea, for use as a tool in the future management of like extant and extinct avian taxa. Current and historical ex-situ conservation management of BTPIs and the closely related Passenger Pigeon, Ectopistes migratorius, is limited in scope and required further examination. Focus on the BTPI within zoos and private aviculture facilities is currently lacking. New pressures on the wild populations and future examination of the parameters involved in the possible restoration of the Passenger Pigeon may rely on a complete understanding of these conservation management techniques. Here we report on the establishment of a colony of BTPIs, at the Wildlife Conservation Society (WCS), and detail the progress attained. A confiscated group of BTPIs was presented to WCS and allowed us to set up the colony, document the husbandry involved, and monitor neonatal development and the factors that influence that development. The information has provided a better understanding of the BTPI and has implications for the future conservation management of this and like species.
[Mh] Termos MeSH primário: Criação de Animais Domésticos/métodos
Animais de Zoológico
Columbidae/fisiologia
Conservação dos Recursos Naturais
[Mh] Termos MeSH secundário: Envelhecimento
Fenômenos Fisiológicos da Nutrição Animal
Animais
Columbidae/crescimento & desenvolvimento
Dieta/veterinária
Feminino
Masculino
Comportamento de Nidação
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180223
[Lr] Data última revisão:
180223
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171216
[St] Status:MEDLINE
[do] DOI:10.1002/zoo.21394


  2 / 19132 MEDLINE  
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[PMID]:29051075
[Au] Autor:Zhang H; Qin G; Sun J; Zhang B; Lin Q
[Ad] Endereço:CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, Guangdong 510301, PR China.
[Ti] Título:The evolution and functional characterization of lined seahorse (Hippocampus erectus) CCKs involved in fasting and thermal stress response.
[So] Source:Gen Comp Endocrinol;255:56-63, 2018 Jan 01.
[Is] ISSN:1095-6840
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The peptide cholecystokinin (CCK) plays an important role in the regulation of vertebrate appetite and feeding behaviour. In the present study, the full-length cDNA and genomic DNA sequences of two CCK precursors were cloned and analysed in the Syngnathidae fish, the lined seahorse (Hippocampus erectus). Both CCK1 and CCK2 in the seahorse consist of four exons. The sequence of the octapeptide of seahorse CCK1 (DYMGWMDF) was the same as that of the chicken and human, while the octapeptide of seahorse CCK2 (DYEGWMDF) was unique among vertebrates. According to the phylogenetic analysis, two types of CCKs were produced by teleost-specific genome duplication (TGD). Both CCK1 and CCK2 were highly expressed in the brain, while detectable amounts of CCK1 mRNA in the brood pouch and CCK2 mRNA in the intestine were also found. Both CCK1 and CCK2 mRNA levels significantly increased during the transition from endogenous to exogenous nutrition. Additionally, fasting induced a significant increase in the CCK1 mRNA expression in the brain of juvenile seahorses but had no effect on CCK2 transcript levels. In addition, the CCK1 and CCK2 mRNA levels in the seahorse brain significantly increased after a high-temperature treatment. Thus, the mRNA expression of CCK had obvious tissue specificities and this preliminary study opens new avenues for further functional studies on the endocrine regulations of CCK in the transition from endogenous to exogenous nutrition, food intake regulation and metabolism in the seahorse.
[Mh] Termos MeSH primário: Colecistocinina/genética
Evolução Molecular
Jejum/fisiologia
Smegmamorpha/metabolismo
Estresse Fisiológico
Temperatura Ambiente
[Mh] Termos MeSH secundário: Sequência de Aminoácidos
Fenômenos Fisiológicos da Nutrição Animal
Animais
Sequência de Bases
Colecistocinina/química
Colecistocinina/metabolismo
Clonagem Molecular
DNA Complementar/genética
Seres Humanos
Larva/metabolismo
Especificidade de Órgãos
Filogenia
Precursores de Proteínas/metabolismo
RNA Mensageiro/genética
RNA Mensageiro/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Complementary); 0 (Protein Precursors); 0 (RNA, Messenger); 78206-77-6 (procholecystokinin); 9011-97-6 (Cholecystokinin)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180216
[Lr] Data última revisão:
180216
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171021
[St] Status:MEDLINE


  3 / 19132 MEDLINE  
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[PMID]:29186387
[Au] Autor:Ros P; Díaz F; Freire-Regatillo A; Argente-Arizón P; Barrios V; Argente J; Chowen JA
[Ad] Endereço:Hospital Universitario Puerto de Hierro-Majadahonda, Madrid, Spain.
[Ti] Título:Resveratrol Intake During Pregnancy and Lactation Modulates the Early Metabolic Effects of Maternal Nutrition Differently in Male and Female Offspring.
[So] Source:Endocrinology;159(2):810-825, 2018 02 01.
[Is] ISSN:1945-7170
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Poor maternal nutrition can have detrimental long-term consequences on energy homeostasis in the offspring. Resveratrol exerts antioxidant and antiobesity actions, but its impact during development remains largely unknown. We hypothesized that resveratrol intake during pregnancy and lactation could improve the effects of poor maternal nutrition on offspring metabolism. Wistar rats received a low-fat diet (LFD; 10.2% kcal from fat) or high-fat diet (HFD; 61.6% kcal from fat), with half of each group receiving resveratrol in their drinking water (50 mg/L) during pregnancy and lactation. Body weight (BW) of dams was measured at treatment onset and weaning [postnatal day (PND) 21] and of pups at birth and PND21, at which time dams and pups were euthanized. Although HFD dams consumed more energy, their BW at the end of lactation was unaffected. Mean litter size was not modified by maternal diet or resveratrol. At birth, male offspring from HFD and resveratrol (HFD + R) dams weighed less than those from LFD and resveratrol (LFD + R) dams. On PND21, pups of both sexes from HFD dams weighed more, had more visceral adipose tissue (VAT) and subcutaneous adipose tissue (SCAT), and had higher serum leptin levels than those from LFD dams. Resveratrol reduced BW, leptin, VAT, and SCAT, with females being more affected, but increased glycemia. Neuropeptide levels were unaffected by resveratrol. In conclusion, resveratrol intake during pregnancy and lactation decreased BW and adipose tissue content in offspring of dams on an HFD but did not affect offspring from LFD-fed dams, suggesting that the potential protective effects of resveratrol during gestation/lactation are diet dependent.
[Mh] Termos MeSH primário: Lactação/efeitos dos fármacos
Fenômenos Fisiológicos da Nutrição Materna
Efeitos Tardios da Exposição Pré-Natal/metabolismo
Estilbenos/farmacologia
[Mh] Termos MeSH secundário: Fenômenos Fisiológicos da Nutrição Animal/efeitos dos fármacos
Animais
Ingestão de Alimentos/fisiologia
Feminino
Lactação/metabolismo
Masculino
Fenômenos Fisiológicos da Nutrição Materna/efeitos dos fármacos
Gravidez
Ratos
Ratos Wistar
Caracteres Sexuais
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Stilbenes); Q369O8926L (resveratrol)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180215
[Lr] Data última revisão:
180215
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:171130
[St] Status:MEDLINE
[do] DOI:10.1210/en.2017-00610


  4 / 19132 MEDLINE  
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[PMID]:29304058
[Au] Autor:Lima AGVO; Oliveira RL; Silva TM; Barbosa AM; Nascimento TVC; Oliveira VDS; Ribeiro RDX; Pereira ES; Bezerra LR
[Ad] Endereço:Animal Science Department, Federal University of Bahia, Salvador, Bahia, Brazil.
[Ti] Título:Feeding sunflower cake from biodiesel production to Santa Ines lambs: Physicochemical composition, fatty acid profile and sensory attributes of meat.
[So] Source:PLoS One;13(1):e0188648, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The aim of this study was to determine the effect of the inclusion of sunflower cake in the diets of lambs on meat quality. Forty male, uncastrated Santa Ines lambs with an initial average body weight of 20.9 ± 0.41 kg were used in a completely randomized design with four treatments. The lambs were fed 500 g/kg hay and 500 g/kg concentrate (corn, soybean meal, urea, ammonium sulfate and sunflower cake) in their diet, and the experimental treatments were 0, 10, 20, and 30% sunflower cake inclusion (DM basis). The inclusion of sunflower cake in the diet did not affect (P > 0.05) the content of ash and protein, overall acceptance, or sensory aroma of the lamb meat. Total lipids and moisture content of the longissimus lumborum muscle increased linearly (P ≤ 0.05) with sunflower cake inclusion. The C16:0, ΣSFA, ΣMUFA:ΣSFA ratio, Δ-9 desaturase enzyme and atherogenicity index in the longissimus lumborum muscle decreased linearly (P ≤ 0.05) with sunflower cake inclusion in lamb diets, whereas a linear increase occurred (P ≤ 0.05) in C12:0, C18:0, ΣMUFA, ΣPUFA, ΣPUFA:ΣSFA and ΣPUFA:ΣMUFA ratios, Σn-6, Σn-3, desirable fatty acids, h:H index, elongase activity, and flavor, tenderness and juiciness sensory qualities in lamb meat. Among the panelists, the highest preference (35.9%) was for meat with 30% sunflower cake inclusion in the diet. Sunflower cake up to 30% of total DM can be included in the diet of Santa Ines lambs, because lipid nutritional quality and the sensory qualities of the lamb meat increase, in addition to improvement in nutraceutical compounds, such as the CLA content, and in the AI, PUFA:SFA and PUFA:MUFA ratios, desirable fatty acids content and h:H ratio, which are beneficial to the health of consumers.
[Mh] Termos MeSH primário: Ração Animal/análise
Helianthus
Carne Vermelha/análise
Carneiro Doméstico
[Mh] Termos MeSH secundário: Fenômenos Fisiológicos da Nutrição Animal
Animais
Biocombustíveis
Dieta
Ácidos Graxos/análise
Seres Humanos
Masculino
Valor Nutritivo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Biofuels); 0 (Fatty Acids)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180210
[Lr] Data última revisão:
180210
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180106
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0188648


  5 / 19132 MEDLINE  
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[PMID]:29179547
[Au] Autor:He Y; Qiu Q; Shao T; Niu W; Xia C; Wang H; Li Q; Gao Z; Yu Z; Su H; Cao B
[Ad] Endereço:State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University , 100193 Beijing, China.
[Ti] Título:Dietary Alfalfa and Calcium Salts of Long-Chain Fatty Acids Alter Protein Utilization, Microbial Populations, and Plasma Fatty Acid Profile in Holstein Freemartin Heifers.
[So] Source:J Agric Food Chem;65(50):10859-10867, 2017 Dec 20.
[Is] ISSN:1520-5118
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:This study presented the effects of alfalfa and calcium salts of long-chain fatty acids (CSFA) on feed intake, apparent digestibility, rumen fermentation, microbial community, plasma biochemical parameters, and fatty acid profile in Holstein freemartin heifers. Eight Holstein freemartin heifers were randomly divided into a 4 × 4 Latin Square experiment with 2 × 2 factorial diets, with or without alfalfa or CSFA. Dietary supplementation of CSFA significantly increased the apparent digestibility of dry matter, crude protein, neutral detergent fiber, organic matter, and significantly reduced N retention (P < 0.05). CSFA increased the concentration of ammonia nitrogen in the ruminal fluid (P < 0.05), but alfalfa increased the concentration of valerate and isovalerate (P < 0.05). CSFA increased the concentration of ammonia nitrogen and the relative population of Streptococcus bovis in the rumen (P < 0.05) and inhibited the relative population of Ruminococcus flavefaciens, methanogens, and protozoa (P < 0.05). Alfalfa instead of Leymus chinensis increased the relative population of Butyrivibrio fibrisolvens and Ruminobacter amylophilus in the rumen (P < 0.05) and reduced the relative population of the Ruminococcus albus and Megasphaera elsdenii (P < 0.05). Supplemental CSFA increased the concentration of cholesterol and low-density lipoprotein cholesterol in the plasma (P < 0.05). And it also altered the composition of fatty acids in the plasma, which was expressed in reducing saturated fatty acid (ΣSFA) ratio and C14-C17 fatty acids proportion except C16:0 (P < 0.05) and increasing the proportion of polyunsaturated fatty acid (ΣPUFA) and unsaturated fatty acid (ΣUFA) (P < 0.05). The results showed that alfalfa and CSFA had interaction effect on the apparent digestibility of ether extracts, plasma triglyceride concentration, isobutyrate concentration, and Ruminococcus albus relative abundance in the rumen. It was concluded that alfalfa substituting Leymus chinensis did not change the apparent digestibility of nutrients in the final stage of fattening Holstein freemartin heifers, while CSFA increased the cholesterol and the proportion of unsaturated fatty acids in plasma. Alfalfa and CSFA had mutual interaction effect on fat digestion and plasma triglycerides.
[Mh] Termos MeSH primário: Bactérias/isolamento & purificação
Cálcio/metabolismo
Bovinos/metabolismo
Ácidos Graxos/metabolismo
Microbioma Gastrointestinal
Medicago sativa/metabolismo
Rúmen/microbiologia
[Mh] Termos MeSH secundário: Amônia/metabolismo
Ração Animal/análise
Fenômenos Fisiológicos da Nutrição Animal
Animais
Bactérias/classificação
Bactérias/genética
Bactérias/metabolismo
Cálcio/análise
Bovinos/microbiologia
Ácidos Graxos/química
Feminino
Medicago sativa/química
Leite/química
Leite/metabolismo
Rúmen/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Fatty Acids); 7664-41-7 (Ammonia); SY7Q814VUP (Calcium)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180110
[Lr] Data última revisão:
180110
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171129
[St] Status:MEDLINE
[do] DOI:10.1021/acs.jafc.7b04173


  6 / 19132 MEDLINE  
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[PMID]:28523848
[Au] Autor:Shi Z; Song W; Sun Y; Wang L; Shi B; Shan A; Bi Z
[Ad] Endereço:Institute of Animal Nutrition, Northeast Agricultural University, Xiangfang District, Harbin, PR China.
[Ti] Título:Dietary supplementation of l-arginine and chromium picolinate in sows during gestation affects the muscle fibre characteristics but not the performance of their progeny.
[So] Source:J Sci Food Agric;98(1):74-79, 2018 Jan.
[Is] ISSN:1097-0010
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: The present study investigated the effects of dietary supplementation of l-arginine and chromium picolinate (CrP) in sows during gestation on muscle fibre characteristics, performance and carcass characteristics of their progeny. Sixty healthy sows were randomly divided into four groups as a 2 × 2 factorial experiment design: one group received the control diet, another received the control diet + 10 g kg l-arginine, the third group received the control diet + 400 ppb CrP, and the fourth group received the control diet + 10 g kg l-arginine and 400 ppb CrP. RESULTS: The results showed that sows fed the diet supplemented with CrP produced progeny with higher muscle fibre numbers at birth, weaning and slaughter compared to sows fed the control diet. For mean fibre areas, the same result was found at weaning. For progeny of sows fed diets supplemented with l-arginine, only higher muscle fibre numbers at slaughter was observed. Almost no differences were observed regarding average daily gains, average daily feed intake, gain-to-feed ratios, carcass and meat traits. CONCLUSION: The results of the present study indicate that dietary supplementation of l-arginine and particularly CrP in sows during gestation alters muscle fibre numbers in their offspring, although not their performance or carcass characteristics. © 2017 Society of Chemical Industry.
[Mh] Termos MeSH primário: Arginina/administração & dosagem
Suplementos Nutricionais/análise
Fibras Musculares Esqueléticas/metabolismo
Ácidos Picolínicos/administração & dosagem
Gravidez/metabolismo
Suínos/metabolismo
[Mh] Termos MeSH secundário: Ração Animal/análise
Fenômenos Fisiológicos da Nutrição Animal/efeitos dos fármacos
Animais
Peso ao Nascer
Feminino
Masculino
Carne/análise
Fibras Musculares Esqueléticas/efeitos dos fármacos
Gravidez/efeitos dos fármacos
Suínos/crescimento & desenvolvimento
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Picolinic Acids); 94ZLA3W45F (Arginine); QZV2W997JQ (picolinic acid)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180102
[Lr] Data última revisão:
180102
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170520
[St] Status:MEDLINE
[do] DOI:10.1002/jsfa.8439


  7 / 19132 MEDLINE  
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[PMID]:28581023
[Au] Autor:Wu X; Xie C; Long C; Li J; Zhou X; Fan Z; Blachier F; Yin Y
[Ad] Endereço:Hunan Provincial Engineering Research Center of Healthy Livestock, Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China.
[Ti] Título:Effects of a daily three-meal pattern with different dietary protein contents on pig growth performance, carcass and muscle quality traits.
[So] Source:J Sci Food Agric;98(1):415-421, 2018 Jan.
[Is] ISSN:1097-0010
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Recent research related to phase-feeding programmes for pig nutrition do not always account for the variation among individuals, and feeds are usually formulated to optimise the performance of the whole pig population. This study aimed at measuring the effects of a daily three-meal pattern with different dietary protein contents on pig growth performance, carcass and muscle quality traits. RESULTS: The results showed that compared with the 3C treatment, average daily gain (ADG) of pigs in the HCL treatment increased by 14.75% (P < 0.05) during period 1. The carcass weight (P = 0.006) and slaughter weight (P = 0.021) in the HCL group increased when compared with those in the 3C and LCH treatments. Moreover, the LCH feeding sequences contributed to reduce the drip loss in longissimus dorsi (LD) muscle (P < 0.05) when compared with the 3C treatment. The HCL or LCH feeding sequence contributed to increase the meat quality when compared with those receiving the 3C treatment. CONCLUSION: Collectively, our results indicate that feeding high protein meal in the morning and a gradual reduction of the protein content in meals over the day may improve muscle quality characteristics, maximise performance, and reduce the pig feed cost. © 2017 Society of Chemical Industry.
[Mh] Termos MeSH primário: Ração Animal/análise
Criação de Animais Domésticos/métodos
Proteínas na Dieta/metabolismo
Carne/análise
Músculo Esquelético/química
Suínos/crescimento & desenvolvimento
Suínos/metabolismo
[Mh] Termos MeSH secundário: Fenômenos Fisiológicos da Nutrição Animal
Animais
Composição Corporal
Proteínas na Dieta/química
Músculo Esquelético/metabolismo
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Dietary Proteins)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171228
[Lr] Data última revisão:
171228
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170606
[St] Status:MEDLINE
[do] DOI:10.1002/jsfa.8467


  8 / 19132 MEDLINE  
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[PMID]:29202889
[Au] Autor:Truong HH; Chrystal PV; Moss AF; Selle PH; Liu SY
[Ad] Endereço:1Poultry Research Foundation,The University of Sydney,CamdenNSW 2570,Australia.
[Ti] Título:Rapid protein disappearance rates along the small intestine advantage poultry performance and influence the post-enteral availability of amino acids.
[So] Source:Br J Nutr;118(12):1031-1042, 2017 Dec.
[Is] ISSN:1475-2662
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:A foundation diet, an intermediate blend and a summit diet were formulated with different levels of soyabean meal, casein and crystalline amino acids to compare 'slow' and 'rapid' protein diets. The diets were offered to male Ross 308 chicks from 7 to 28 d post-hatch and assessed parameters included growth performance, nutrient utilisation, apparent digestibility coefficients and disappearance rates of starch and protein (N) in four small intestinal segments. Digestibility coefficients and disappearance rates of sixteen amino acids in three small intestinal segments and amino acid concentrations in plasma from portal and systemic circulations from the foundation and summit diets were determined. The dietary transition significantly accelerated protein (N) disappearance rates in the distal jejunum and ileum. The transition from foundation to summit diets significantly increased starch digestibility coefficients in the ileum and disappearance rates in all four small intestinal segments. These starch responses were associated with significant enhancements in nutrient utilisation. The dietary transition linearly increased digestibility coefficients and disappearance rates of amino acids in the majority of cases. The summit diet increased plasma concentrations of five amino acids but decreased those of four amino acids relative to the foundation diet to significant extents. Plasma concentrations of free amino acids were higher in the portal than systemic circulations. Rapid protein disappearance rates advantaged poultry performance and influenced post-enteral availability of amino acids. If the underlying mechanisms are to be identified, further research into the impact of protein digestive dynamics on broiler performance is required but appears justified.
[Mh] Termos MeSH primário: Aminoácidos/administração & dosagem
Aminoácidos/sangue
Dieta/veterinária
Proteínas na Dieta/administração & dosagem
Intestino Delgado/metabolismo
[Mh] Termos MeSH secundário: Ração Animal/análise
Fenômenos Fisiológicos da Nutrição Animal
Animais
Caseínas/administração & dosagem
Caseínas/metabolismo
Galinhas/crescimento & desenvolvimento
Proteínas na Dieta/metabolismo
Digestão
Masculino
Aves Domésticas
Feijão de Soja/química
Amido/administração & dosagem
Amido/metabolismo
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Amino Acids); 0 (Caseins); 0 (Dietary Proteins); 9005-25-8 (Starch)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171227
[Lr] Data última revisão:
171227
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171206
[St] Status:MEDLINE
[do] DOI:10.1017/S0007114517003257


  9 / 19132 MEDLINE  
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[PMID]:29173237
[Au] Autor:Robertson RC; Seira Oriach C; Murphy K; Moloney GM; Cryan JF; Dinan TG; Ross RP; Stanton C
[Ad] Endereço:1School of Microbiology,University College Cork,Cork,Republic of Ireland.
[Ti] Título:Deficiency of essential dietary n-3 PUFA disrupts the caecal microbiome and metabolome in mice.
[So] Source:Br J Nutr;118(11):959-970, 2017 Dec.
[Is] ISSN:1475-2662
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:n-3 PUFA are lipids that play crucial roles in immune-regulation, cardio-protection and neurodevelopment. However, little is known about the role that these essential dietary fats play in modulating caecal microbiota composition and the subsequent production of functional metabolites. To investigate this, female C57BL/6 mice were assigned to one of three diets (control (CON), n-3 supplemented (n3+) or n-3 deficient (n3-)) during gestation, following which their male offspring were continued on the same diets for 12 weeks. Caecal content of mothers and offspring were collected for 16S sequencing and metabolic phenotyping. n3- male offspring displayed significantly less % fat mass than n3+ and CON. n-3 Status also induced a number of changes to gut microbiota composition such that n3- offspring had greater abundance of Tenericutes, Anaeroplasma and Coriobacteriaceae. Metabolomics analysis revealed an increase in caecal metabolites involved in energy metabolism in n3+ including α-ketoglutaric acid, malic acid and fumaric acid. n3- animals displayed significantly reduced acetate, butyrate and total caecal SCFA production. These results demonstrate that dietary n-3 PUFA regulate gut microbiota homoeostasis whereby n-3 deficiency may induce a state of disturbance. Further studies are warranted to examine whether these microbial and metabolic disturbances are causally related to changes in metabolic health outcomes.
[Mh] Termos MeSH primário: Fenômenos Fisiológicos da Nutrição Animal
Ceco/microbiologia
Ácidos Graxos Ômega-3/deficiência
Microbioma Gastrointestinal
[Mh] Termos MeSH secundário: Animais
Composição Corporal
DNA Bacteriano/isolamento & purificação
Dieta
Suplementos Nutricionais
Ácidos Graxos/metabolismo
Ácidos Graxos Ômega-3/sangue
Feminino
Fumaratos/metabolismo
Ácidos Cetoglutáricos/metabolismo
Malatos/metabolismo
Masculino
Metaboloma
Metabolômica
Camundongos
Camundongos Endogâmicos C57BL
RNA Ribossômico 16S/isolamento & purificação
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Bacterial); 0 (Fatty Acids); 0 (Fatty Acids, Omega-3); 0 (Fumarates); 0 (Ketoglutaric Acids); 0 (Malates); 0 (RNA, Ribosomal, 16S); 817L1N4CKP (malic acid); 88XHZ13131 (fumaric acid); 8ID597Z82X (alpha-ketoglutaric acid)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171218
[Lr] Data última revisão:
171218
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE
[do] DOI:10.1017/S0007114517002999


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[PMID]:29173222
[Au] Autor:Lavandera J; Gerstner CD; Saín J; Fariña AC; González MA; Bernal CA
[Ad] Endereço:1Cátedra de Bromatología y Nutrición, Facultad de Bioquímica y Ciencias Biológicas,Universidad Nacional del Litoral,Ciudad Universitaria, Paraje el Pozo S/N, C.C. 242 (C.P. 3000),Santa Fe,Argentina.
[Ti] Título:Maternal conjugated linoleic acid modulates TAG metabolism in adult rat offspring.
[So] Source:Br J Nutr;118(11):906-913, 2017 Dec.
[Is] ISSN:1475-2662
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Conjugated linoleic acid (CLA) might regulate the lipid depots in liver and adipose tissue. As there is an association between maternal nutrition, fat depots and risk of offspring chronic disease, the aim was to investigate the effect of maternal CLA consumption on TAG regulation and some inflammatory parameters in adult male rat offspring receiving or not receiving CLA. Female Wistar rats were fed control (C) or CLA-supplemented (1 %, w/w) diets during 4 weeks before and throughout pregnancy and lactation. After weaning, male offspring of CLA rats were fed C or CLA diets (CLA/C and CLA/CLA groups, respectively), whereas C male rat offspring were fed a C diet (C/C group) for 9 weeks. Serum TAG levels were increased in the CLA/CLA and CLA/C groups, associated with a reduction of lipoprotein lipase activity and weights of adipose tissue. The liver TAG levels were decreased in the CLA/CLA group, related to a significant reduction of fatty acid synthase (FAS), acetyl-CoA carboxylase (ACC) and glucose-6-phosphate dehydrogenase enzyme activities, as well as to the mRNA levels of FAS, ACC, stearoyl-CoA desaturase-1 and sterol regulatory element-binding protein-1c. Even though normal TAG levels were found in the liver of CLA/C rats, a reduction of lipogenesis was also observed. Thus, these results demonstrated a programming effect of CLA on the lipid metabolic pathways leading to a preventive effect on the TAG accretion in adipose tissue and the liver of male rat offspring. This knowledge could be important to develop some dietary strategies leading to a reduced incidence of obesity and fatty acid liver disease in humans.
[Mh] Termos MeSH primário: Fenômenos Fisiológicos da Nutrição Animal
Ácidos Linoleicos Conjugados/farmacologia
Triglicerídeos/sangue
Triglicerídeos/metabolismo
[Mh] Termos MeSH secundário: Acetil-CoA Carboxilase/genética
Acetil-CoA Carboxilase/metabolismo
Tecido Adiposo Branco/efeitos dos fármacos
Tecido Adiposo Branco/metabolismo
Animais
Dieta
Gorduras na Dieta/administração & dosagem
Gorduras na Dieta/sangue
Ácido Graxo Sintases/genética
Ácido Graxo Sintases/metabolismo
Ácidos Graxos/sangue
Feminino
Glucosefosfato Desidrogenase/genética
Glucosefosfato Desidrogenase/metabolismo
Lipogênese/efeitos dos fármacos
Fígado/efeitos dos fármacos
Fígado/metabolismo
Masculino
Fenômenos Fisiológicos da Nutrição Materna
Gravidez
RNA Mensageiro/genética
RNA Mensageiro/metabolismo
Ratos
Ratos Wistar
Estearoil-CoA Dessaturase/genética
Estearoil-CoA Dessaturase/metabolismo
Proteína de Ligação a Elemento Regulador de Esterol 1/genética
Proteína de Ligação a Elemento Regulador de Esterol 1/metabolismo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Dietary Fats); 0 (Fatty Acids); 0 (Linoleic Acids, Conjugated); 0 (RNA, Messenger); 0 (Sterol Regulatory Element Binding Protein 1); 0 (Triglycerides); EC 1.1.1.49 (Glucosephosphate Dehydrogenase); EC 1.14.19.1 (Stearoyl-CoA Desaturase); EC 2.3.1.85 (Fatty Acid Synthases); EC 6.4.1.2 (Acetyl-CoA Carboxylase)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171218
[Lr] Data última revisão:
171218
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE
[do] DOI:10.1017/S0007114517003002



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