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https://www.readbyqxmd.com/read/28065757/fats-for-thoughts-an-update-on-brain-fatty-acid-metabolism
#1
Adele Romano, Justyna Barbara Koczwara, Cristina Anna Gallelli, Daniele Vergara, Maria Vittoria Micioni Di Bonaventura, Silvana Gaetani, Anna Maria Giudetti
Brain fatty acid (FA) metabolism deserves a close attention not only for its energetic aspects but also because FAs and their metabolites/derivatives are able to influence many neural functions, contributing to brain pathologies or representing potential targets for pharmacological and/or nutritional interventions. Glucose is the preferred energy substrate for the brain, whereas the role of FAs is more marginal. In conditions of decreased glucose supply ketone bodies, mainly formed by FA oxidation, are the alternative main energy source...
January 5, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28065211/faecal-parameters-as-biomarkers-of-the-equine-hindgut-microbial-ecosystem-under-dietary-change
#2
P Grimm, C Philippeau, V Julliand
Faeces could be used for evaluating the balance of the equine hindgut microbial ecosystem, which would offer a practical method for assessing gut health and how this relates to disease. However, previous studies concluded that faeces microbial ecosystem was not representative of the proximal hindgut (caecum and ventral colon). This study aimed to evaluate if variations of the faecal microbial ecosystem were similar to those observed in the proximal hindgut. Six horses, fistulated in the caecum and right ventral (RV) colon, were subjected to a gradual change of diet, from a 100% hay (high fibre) diet (2...
January 9, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28063239/effect-of-laboratory-isolated-lactobacillus-plantarum-lgfcp4-from-gastrointestinal-tract-of-guinea-fowl-on-growth-performance-carcass-traits-intestinal-histomorphometry-and-gastrointestinal-microflora-population-in-broiler-chicken
#3
P G Vineetha, S Tomar, V K Saxena, M Kapgate, A Suvarna, K Adil
The study aimed to investigate the effect of feed supplements, viz Lactobacillus plantarum LGFCP4 (laboratory isolate from GIT of Guinea fowl), Lactobacillus acidophilus (NCDC, Karnal) and in-feed antibiotic bacitracin methylene disalicylate (BMD) on growth performance, FCR, carcass traits and immune organs weight, intestinal histomorphometry and gastrointestinal microflora population in broiler chickens. In a completely randomized design, CARIBRO-Dhanraja broiler chicks (n = 160) were used with four treatment groups...
January 7, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28062009/reduced-particle-size-wheat-bran-is-butyrogenic-and-lowers-salmonella-colonization-when-added-to-poultry-feed
#4
K Vermeulen, J Verspreet, C M Courtin, F Haesebrouck, R Ducatelle, F Van Immerseel
Feed additives, including prebiotics, are commonly used alternatives to antimicrobial growth promoters to improve gut health and performance in broilers. Wheat bran is a highly concentrated source of (in)soluble fiber which is partly degraded by the gut microbiota. The aim of the present study was to investigate the potential of wheat bran as such to reduce colonization of the cecum and shedding of Salmonella bacteria in vivo. Also, the effect of particle size was evaluated. Bran with an average reduced particle size of 280μm decreased levels of cecal Salmonella colonization and shedding shortly after infection when compared to control groups and groups receiving bran with larger particle sizes...
January 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28061847/role-of-intestinal-microbiota-and-metabolites-on-gut-homeostasis-and-human-diseases
#5
REVIEW
Lan Lin, Jianqiong Zhang
BACKGROUND: A vast diversity of microbes colonizes in the human gastrointestinal tract, referred to intestinal microbiota. Microbiota and products thereof are indispensable for shaping the development and function of host innate immune system, thereby exerting multifaceted impacts in gut health. METHODS: This paper reviews the effects on immunity of gut microbe-derived nucleic acids, and gut microbial metabolites, as well as the involvement of commensals in the gut homeostasis...
January 6, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28045459/faecalibacterium-prausnitzii-from-microbiology-to-diagnostics-and-prognostics
#6
Mireia Lopez-Siles, Sylvia H Duncan, L Jesús Garcia-Gil, Margarita Martinez-Medina
There is an increasing interest in Faecalibacterium prausnitzii, one of the most abundant bacterial species found in the gut, given its potentially important role in promoting gut health. Although some studies have phenotypically characterized strains of this species, it remains a challenge to determine which factors have a key role in maintaining the abundance of this bacterium in the gut. Besides, phylogenetic analysis has shown that at least two different F. prausnitzii phylogroups can be found within this species and their distribution is different between healthy subjects and patients with gut disorders...
January 3, 2017: ISME Journal
https://www.readbyqxmd.com/read/28034304/temporal-bacterial-and-metabolic-development-of-the-preterm-gut-reveals-specific-signatures-in-health-and-disease
#7
Christopher J Stewart, Nicholas D Embleton, Emma C L Marrs, Daniel P Smith, Andrew Nelson, Bashir Abdulkadir, Tom Skeath, Joseph F Petrosino, John D Perry, Janet E Berrington, Stephen P Cummings
BACKGROUND: The preterm microbiome is crucial to gut health and may contribute to necrotising enterocolitis (NEC), which represents the most significant pathology affecting preterm infants. From a cohort of 318 infants, <32 weeks gestation, we selected 7 infants who developed NEC (defined rigorously) and 28 matched controls. We performed detailed temporal bacterial (n = 641) and metabolomic (n = 75) profiling of the gut microbiome throughout the disease. RESULTS: A core community of Klebsiella, Escherichia, Staphyloccocus, and Enterococcus was present in all samples...
December 29, 2016: Microbiome
https://www.readbyqxmd.com/read/28027638/effects-of-bifidobacterium-animalis-lactis-hn019-dr10tm-inulin-and-micronutrient-fortified-milk-on-faecal-dr10tm-immune-markers-and-maternal-micronutrients-among-indonesian-pregnant-women
#8
Noroyono Wibowo, Saptawati Bardosono, Rima Irwinda
BACKGROUND AND OBJECTIVES: Maternal nutrition affects fetal growth and development. This study evaluates the effects of milk powder fortified with micronutrients, docosahexaenoic acid (DHA), a prebiotic, and probiotic Bifidobacterium animalis subsp. lactis HN019 DR10TM on the micronutrient status, as well as the presence of faecal probiotic and immune markers in pregnant women. METHODS AND STUDY DESIGN: This randomised, double- blind, placebo-controlled trial was conducted at Budi Kemuliaan and Cipto Mangunkusumo Hospital in Jakarta from 2013 to 2014...
December 2016: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28002391/starter-formula-enriched-in-prebiotics-and-probiotics-ensures-normal-growth-of-infants-and-promotes-gut-health-a-randomized-clinical-trial
#9
Michael Radke, Jean-Charles Picaud, Andrea Loui, Gilles Cambonie, Dirk Faas, Harry N Lafeber, Nanda de Groot, Sophie S Pecquet, Philippe G Steenhout, Jean-Michel Hascoet
BACKGROUND: Prebiotics and probiotics exert beneficial effects by modulating gut microbiota and immune system. This study evaluates efficacy and safety of an infant formula containing Bovine Milk-derived Oligosaccharides (BMOS) and B. lactis (CNCM I-3446) on incidence of diarrhea and febrile infections during the first year of life (primary outcome). METHODS: Full-term infants receiving Test or Control (without BMOS and B. lactis) formula were enrolled in a multi-center, randomized, controlled, double-blind trial with a reference breastfeeding group...
December 21, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27994578/comparative-in-silico-analysis-of-butyrate-production-pathways-in-gut-commensals-and-pathogens
#10
Swadha Anand, Harrisham Kaur, Sharmila S Mande
Biosynthesis of butyrate by commensal bacteria plays a crucial role in maintenance of human gut health while dysbiosis in gut microbiome has been linked to several enteric disorders. Contrastingly, butyrate shows cytotoxic effects in patients with oral diseases like periodontal infections and oral cancer. In addition to these host associations, few syntrophic bacteria couple butyrate degradation with sulfate reduction and methane production. Thus, it becomes imperative to understand the distribution of butyrate metabolism pathways and delineate differences in substrate utilization between pathogens and commensals...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27988129/source-of-supplemental-dietary-copper-zinc-and-manganese-affects-fecal-microbial-relative-abundance-in-lactating-dairy-cows
#11
M J Faulkner, B A Wenner, L M Solden, W P Weiss
Appropriate trace mineral supplementation can improve immune response and hoof health in cattle and at much higher rates of supplementation to swine and poultry can alter microbial colonization of the gut, resulting in improved gut health. Diet can influence fecal microbial excretion in cattle, and the fecal microbiome may serve as a means for assessing gastrointestinal microbial changes. We hypothesized that feeding diets that differed in source of supplemental Cu, Zn, or Mn would alter the relative abundance of fecal microbes in lactating dairy cattle and that organic Zn would have the greatest effect...
December 14, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27986728/alternative-protein-sources-in-the-diet-modulate-microbiota-and-functionality-in-the-distal-intestine-of-atlantic-salmon-salmo-salar
#12
Karina Gajardo, Alexander Jaramillo-Torres, Trond M Kortner, Daniel L Merrifield, John Tinsley, Anne Marie Bakke, Åshild Krogdahl
: The present study aimed to investigate whether alternative dietary protein sources modulate the microbial communities in the distal intestine (DI) of Atlantic salmon, and if alterations in microbiota profiles are reflected in modifications to host intestinal function and health status. A 48-day feeding trial was conducted, in which groups of fish received one of five diets: A reference diet in which fishmeal (diet FM) was the only protein source and four experimental diets with commercially relevant compositions containing alternative ingredients as partial replacements of fishmeal, i...
December 16, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27976178/essential-oils-from-caraway-oregano-and-thyme-as-phytogenic-substances-to-enhance-gut-health-in-a-porcine-epithelial-cell-culture-model
#13
E Mayer, A Springler, J Stelzer, B Novak, G Schatzmayr
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27920191/effect-of-in-ovo-injection-of-raffinose-on-growth-performance-and-gut-health-parameters-of-broiler-chicken
#14
J D Berrocoso, R Kida, A K Singh, Y S Kim, R Jha
The effects of in ovo injection of raffinose (RFO) as a prebiotic on growth performance, relative weight of proventriculus, gizzard, drumstick and breast muscles, and ileum mucosa morphology were examined in Cobb 500 broilers. A total of 240 fertilized eggs were divided into 4 groups: a non-injected with intact shell and 3 levels of RFO solution (1.5, 3.0, and 4.5 mg in 0.2 mL of an aqueous diluents). The RFO solution was injected into the air sac on d 12 of incubation. In total 144 birds were fed a standard diet and management and sacrificed at d 21 post hatch for collection of samples...
December 5, 2016: Poultry Science
https://www.readbyqxmd.com/read/27908847/homeostasis-of-the-gut-barrier-and-potential-biomarkers
#15
Jerry M Wells, Robert J Brummer, Muriel Derrien, Thomas T MacDonald, Freddy Troost, Patrice D Cani, Vassilia Theodorou, Jan Dekker, Agnes Méheust, Willem M de Vos, Annick Mercenier, Arjen Nauta, Clara L Garcia-Rodenas
The gut barrier plays a crucial role by spatially compartmentalizing bacteria to the lumen through the production of secreted mucus and is fortified by the production of sIgA and antimicrobial peptides and proteins. With exception of sIgA the expression of these protective barrier factors is largely controlled by innate immune recognition of microbial molecular ligands. Several specialized adaptations and checkpoints are operating in the mucosa to scale the immune response according to the threat and prevent overreaction to the trillions of symbionts inhabiting the human intestine...
December 1, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
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
#16
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/27886374/effect-of-different-aloe-fractions-on-the-growth-of-lactic-acid-bacteria
#17
Giulia Chiodelli, Marco Pellizzoni, Gabriela Ruzickova, Luigi Lucini
Several foods on the market, such as yogurt and fermented milk, include mixtures of prebiotics and probiotic microorganisms effective in promoting the proliferation and equilibrium of intestinal bacteria, thus improving gut health. Particularly, researchers and the public have shown increasing interest in the combination of probiotics with natural substances that promote health or that can act as substrates to promote bacterial growth. The aim of this study is to evaluate the effects of different extracts of Aloe barbadensis and Aloe arborescens in fermented milk, taking into account both the prebiotic effect of aloe polysaccharides and the antimicrobial activity of several secondary metabolites...
January 2017: Journal of Food Science
https://www.readbyqxmd.com/read/27846295/a-microbiological-map-of-the-healthy-equine-gastrointestinal-tract
#18
Aaron C Ericsson, Philip J Johnson, Marco A Lopes, Sonja C Perry, Hannah R Lanter
Horses are exquisitely sensitive to non-specific gastrointestinal disturbances as well as systemic and extraintestinal conditions related to gut health, yet minimal data are available regarding the composition of the microbiota present in the equine stomach, small intestine, and cecum and their relation to fecal microbiota. Moreover, there is minimal information regarding the concordance of the luminal and mucosal microbial communities throughout the equine gut. Illumina-based 16S rRNA gene amplicon sequencing of the luminal and mucosal microbiota present in seven regions of the gastrointestinal tract of nine healthy adult horses revealed a distinct compositional divide between the small and large intestines...
2016: PloS One
https://www.readbyqxmd.com/read/27836721/the-european-seabass-dicentrarchus-labrax-innate-immunity-and-gut-health-are-modulated-by-dietary-plant-protein-inclusion-and-prebiotic-supplementation
#19
Rita Azeredo, Marina Machado, Eva Kreuz, Sven Wuertz, Aires Oliva-Teles, Paula Enes, Benjamín Costas
Inclusion of prebiotics in aqua feeds, though a costly strategy, has increased as a means to improve growth. Still, its effects on health improvement are not fully disclosed. Regarding their immunestimulatory properties, research has focused on carbohydrates such as fructooligosaccharides and xylooligosaccharides demonstrating their modulatory effects on immune defences in higher vertebrates but few studies have been done on their impact on fish immunity. Replacing fish meal (FM) by plant protein (PP) sources is a current practice in the aquaculture business but their content in antinutrients is still a drawback in terms of gut well-functioning...
November 9, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27824652/macrophages-versus-escherichia-coli-a-decisive-fight-in-crohn-s-disease
#20
Anthony Buisson, Marie-Agnès Bringer, Nicolas Barnich, Emilie Vazeille
The pathophysiology of Crohn's disease (CD), a chronic inflammatory bowel disease, remains imperfectly elucidated. Consequently, the therapeutic armamentarium remains limited and has not changed the natural history of CD hitherto. Accordingly, physicians need to identify new therapeutic targets to be able to alter the intestinal damage. The most recent hypothesis considered CD as resulting from an abnormal interaction between microbiota and host immune system influenced by genetics and environmental factors...
December 2016: Inflammatory Bowel Diseases
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