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Animal gut health

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https://www.readbyqxmd.com/read/29778465/roles-for-selenium-and-selenoprotein-p-in-the-development-progression-and-prevention-of-intestinal-disease
#1
REVIEW
Sarah P Short, Jennifer M Pilat, Christopher S Williams
Selenium (Se) is a micronutrient essential to human health, the function of which is mediated in part by incorporation into a class of proteins known as selenoproteins (SePs). As many SePs serve antioxidant functions, Se has long been postulated to protect against inflammation and cancer development in the gut by attenuating oxidative stress. Indeed, numerous studies over the years have correlated Se levels with incidence and severity of intestinal diseases such as inflammatory bowel disease (IBD) and colorectal cancer (CRC)...
May 17, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29767154/husbandry-practices-and-gut-health-outcomes-in-weaned-piglets-a-review
#2
REVIEW
Balachandar Jayaraman, Charles M Nyachoti
The immediate post-weaning period is one of the most stressful phases in a pig's life, and during this period, piglets are usually exposed to environmental, social and psychological stressors which have direct or indirect effects on gut health and overall growth performance. In this review, the impact of husbandry practices on gut health outcomes and performance of piglets is discussed. Husbandry practices in the swine barn generally include nutrition and management practices, maintenance of hygienic standards and disease prevention protocols, and animal welfare considerations...
September 2017: Animal nutrition
https://www.readbyqxmd.com/read/29767141/weaning-stress-and-gastrointestinal-barrier-development-implications-for-lifelong-gut-health-in-pigs
#3
REVIEW
Adam J Moeser, Calvin S Pohl, Mrigendra Rajput
The gastrointestinal (GI) barrier serves a critical role in survival and overall health of animals and humans. Several layers of barrier defense mechanisms are provided by the epithelial, immune and enteric nervous systems. Together they act in concert to control normal gut functions (e.g., digestion, absorption, secretion, immunity, etc.) whereas at the same time provide a barrier from the hostile conditions in the luminal environment. Breakdown of these critical GI functions is a central pathophysiological mechanism in the most serious GI disorders in pigs...
December 2017: Animal nutrition
https://www.readbyqxmd.com/read/29767089/using-probiotics-to-improve-swine-gut-health-and-nutrient-utilization
#4
REVIEW
Shengfa F Liao, Martin Nyachoti
To maintain a healthy gut is definitely key for a pig to digest and absorb dietary nutrients efficiently. A balanced microbiota (i.e., a healthy micro-ecosystem) is an indispensable constituent of a healthy gut. Probiotics, the live microorganisms which, when administered in adequate amounts, confer good health benefits onto the host, are a category of feed additives that can be used to replenish the gut microbial population while recuperating the host immune system. Besides their antitoxin and diarrhea reduction effects, dietary supplementation of probiotics can improve gut health, nutrient digestibilities and, therefore, benefit nutrient utilization and growth performance of pigs...
December 2017: Animal nutrition
https://www.readbyqxmd.com/read/29765642/glucocorticoids-modulate-gastrointestinal-microbiome-in-a-wild-bird
#5
José C Noguera, Manuel Aira, Marcos Pérez-Losada, Jorge Domínguez, Alberto Velando
It has recently been hypothesized that stress exposure (e.g. via glucocorticoid secretion) may dysregulate the bacterial gut microbiome, a crucial 'organ' in animal health. However, whether stress exposure (e.g. via glucocorticoid secretion) affects the bacterial gut microbiome of natural populations is unknown. We have experimentally altered the basal glucocorticoid level (corticosterone implants) in a wild avian species, the yellow-legged gull Larus michahellis , to assess its effects on the gastrointestinal microbiota...
April 2018: Royal Society Open Science
https://www.readbyqxmd.com/read/29764668/the-role-of-the-gut-microbiome-in-health-and-disease-of-adult-honey-bee-workers
#6
REVIEW
Kasie Raymann, Nancy A Moran
The role of the gut microbiome in animal health has become increasingly evident. Unlike most other insects, honey bees possess a highly conserved and specialized core gut microbiome, which consists of nine bacterial species and is acquired mostly through social transmission. Five of these species are ubiquitous in honey bees and are also present in bumble bees. Recent studies have shown that the bee gut microbiome plays a role in metabolism, immune function, growth and development, and protection against pathogens...
April 2018: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/29758869/food-preference-and-ecotoxicological-tests-with-millipedes-in-litter-contaminated-with-mercury
#7
Andressa Cristhy Buch, Cristina Lúcia Silveira Sisinno, Maria Elizabeth Fernandes Correia, Emmanoel Vieira Silva-Filho
Worldwide, various guidelines and directives for human health and the environment aim to reduce anthropogenic mercury (Hg) emission. Forest ecosystems are natural sinks of this element, transferring it from the atmosphere to litter and soil. Millipedes play an important role in litter/soil and may be negatively affected by contamination. As a pioneering contribution to ecotoxicological test guidelines with millipedes in litter, the present study evaluated food preference of millipedes and mercury toxicity, to prevent interference of food types in toxicity responses...
August 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29756574/dietary-protein-and-gut-microbiome-composition-and-function
#8
Jianfei Zhao, Xiaoya Zhang, Hongbin Liu, Michael A Brown, Shiyan Qiao
Dietary protein and its metabolites, amino acids are essential nutrients for human and animals. Accumulated researches revealed that the gut microbiota mediate the crosstalk between protein metabolism and host immune response. Gut microbes are involved in the digestion, absorption, metabolism and transformation process of dietary protein in the gastrointestinal tract. Amino acids can be metabolized into numerous microbial metabolites, and these metabolites participate in various physiological functions related to host health and diseases...
May 14, 2018: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29750790/fecal-microbiome-of-periparturient-dairy-cattle-and-associations-with-the-onset-of-salmonella-shedding
#9
Lohendy Muñoz-Vargas, Stephen O Opiyo, Rose Digianantonio, Michele L Williams, Asela Wijeratne, Gregory Habing
Non-typhoidal Salmonella enterica is a zoonotic pathogen with critical importance in animal and public health. The persistence of Salmonella on farms affects animal productivity and health, and represents a risk for food safety. The intestinal microbiota plays a fundamental role in the colonization and invasion of this ubiquitous microorganism. To overcome the colonization resistance imparted by the gut microbiome, Salmonella uses invasion strategies and the host inflammatory response to survive, proliferate, and establish infections with diverse clinical manifestations...
2018: PloS One
https://www.readbyqxmd.com/read/29745332/interactions-of-dietary-fiber-with-nutritional-components-on-gut-microbial-composition-function-and-health-in-monogastrics
#10
A Seidu, Che Dongsheng, Qin Guixin, Jiang Hailong, Rui Han, Cornelius Tlotliso Sello
The relation between dietary fiber and wellbeing of human and other monogastrics has recently became a hot topic as showed in an increasing number of publication of the related research. The aim of this review is to describe through a logical approach the scientific suggestion linking possible benefits of dietary fiber on nutritional components and their effect on the gastrointestinal composition in relation to disease conditions in humans or animals. Dietary fiber plays a key role in influencing blood glucose or insulin concentrations, stool bulkiness, reduce the pH within the digestive tract, synthesize volatile fatty acids (VFA), reduce intestinal transit time, stimulate growth of intestinal microbes, and constructively enhance various blood parameters...
May 7, 2018: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29731746/response-of-gut-microbiota-to-metabolite-changes-induced-by-endurance-exercise
#11
Xia Zhao, Zhujun Zhang, Bin Hu, Wei Huang, Chao Yuan, Lingyun Zou
A few animal studies have shown that wheel running could reverse an unhealthy status by shifting the gut microbial composition, but no investigations have studied the effect of endurance running, such as marathon running, on human gut microbial communities. Since many findings have shown that marathon running immediately causes metabolic changes in blood, urine, muscles and lymph that potentially impact the gut microbiota (GM) within several hours. Here, we investigated whether the GM immediately responds to the enteric changes in amateur half-marathon runners...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29719871/a-prospective-metagenomic-and-metabolomic-analysis-of-the-impact-of-exercise-and-or-whey-protein-supplementation-on-the-gut-microbiome-of-sedentary-adults
#12
Owen Cronin, Wiley Barton, Peter Skuse, Nicholas C Penney, Isabel Garcia-Perez, Eileen F Murphy, Trevor Woods, Helena Nugent, Aine Fanning, Silvia Melgar, Eanna C Falvey, Elaine Holmes, Paul D Cotter, Orla O'Sullivan, Michael G Molloy, Fergus Shanahan
Many components of modern living exert influence on the resident intestinal microbiota of humans with resultant impact on host health. For example, exercise-associated changes in the diversity, composition, and functional profiles of microbial populations in the gut have been described in cross-sectional studies of habitual athletes. However, this relationship is also affected by changes in diet, such as changes in dietary and supplementary protein consumption, that coincide with exercise. To determine whether increasing physical activity and/or increased protein intake modulates gut microbial composition and function, we prospectively challenged healthy but sedentary adults with a short-term exercise regime, with and without concurrent daily whey protein consumption...
May 2018: MSystems
https://www.readbyqxmd.com/read/29704918/microbiota-drug-interactions-impact-on-metabolism-and-efficacy-of-therapeutics
#13
REVIEW
Ellen M Wilkinson, Zehra Esra Ilhan, Melissa M Herbst-Kralovetz
The microbiome not only represents a vital modifier of health and disease, but is a clinically important drug target. Therefore, study of the impact of the human microbiome on drug metabolism, toxicity and efficacy is urgently needed. This review focuses on gut and vaginal microbiomes, and the effect of those microbiomes or components thereof on the pharmacokinetics of specific chemotherapeutic agents, immunotherapies, anti-inflammatory and antimicrobial drugs. In some cases, the presence of specific bacterial species within the microbiome can alter the metabolism of certain drugs, such as chemotherapeutic agents and antiviral drugs...
June 2018: Maturitas
https://www.readbyqxmd.com/read/29693607/harnessing-the-power-of-microbiome-assessment-tools-as-part-of-neuroprotective-nutrition-and-lifestyle-medicine-interventions
#14
REVIEW
Miguel Toribio-Mateas
An extensive body of evidence documents the importance of the gut microbiome both in health and in a variety of human diseases. Cell and animal studies describing this relationship abound, whilst clinical studies exploring the associations between changes in gut microbiota and the corresponding metabolites with neurodegeneration in the human brain have only begun to emerge more recently. Further, the findings of such studies are often difficult to translate into simple clinical applications that result in measurable health outcomes...
April 25, 2018: Microorganisms
https://www.readbyqxmd.com/read/29689362/anorectic-response-to-the-trichothecene-t-2-toxin-correspond-to-plasma-elevations-of-the-satiety-hormone-glucose-dependent-insulinotropic-polypeptide-and-peptide-yy-3-36
#15
Kun Sheng, Hua Zhang, Jianming Yue, Wei Gu, Chao Gu, Haibin Zhang, Wenda Wu
T-2 toxin, a potent type A trichothecene mycotoxin, is produced by various Fusarium species and can negatively impact animal and human health. Although anorexia induction is a common hallmark of T-2 toxin-induced toxicity, the underlying mechanisms for this adverse effect are not fully understood. The goal of this study was to determine the roles of two gut satiety hormones, glucose-dependent insulinotropic polypeptide (GIP) and Peptide YY3-36 (PYY3-36 ) in anorexia induction by T-2 toxin. Elevations of plasma GIP and PYY3-36 markedly corresponded to anorexia induction following oral exposure to T-2 toxin using a nocturnal mouse anorexia model...
April 21, 2018: Toxicology
https://www.readbyqxmd.com/read/29689301/distinct-consequences-of-amoxicillin-and-ertapenem-exposure-in-the-porcine-gut-microbiome
#16
Sheila Connelly, Poorani Subramanian, Nur A Hasan, Rita R Colwell, Michael Kaleko
The gut microbiome influences many, if not all, aspects of human health. Antibiotics, while lifesaving, have the unintended consequence of killing commensal microbiota inhabiting the gastrointestinal (GI) tract, which can lead to overgrowth of opportunistic pathogens such as Clostridium difficile and emergence of antibiotic-resistant organisms. Here, porcine models were developed to evaluate changes to the gut microbiome caused by two distinct types of beta-lactam antibiotics delivered via common administration routes, oral amoxicillin and intravenous ertapenem...
April 21, 2018: Anaerobe
https://www.readbyqxmd.com/read/29685968/impact-of-dietary-gut-microbial-metabolites-on-the-epigenome
#17
REVIEW
Clarissa Gerhauser
Within the past decade, epigenetic mechanisms and their modulation by natural products have gained increasing interest. Dietary bioactive compounds from various sources, including green tea, soya, fruit and berries, cruciferous vegetables, whole grain foods, fish and others, have been shown to target enzymes involved in epigenetic gene regulation, including DNA methyltransferases, histone acetyltransferases, deacetylases and demethylases in vitro and in cell culture. Also, many dietary agents were shown to alter miRNA expression...
June 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29682508/a-three-ring-circus-metabolism-of-the-three-proteogenic-aromatic-amino-acids-and-their-role-in-the-health-of-plants-and-animals
#18
REVIEW
Anutthaman Parthasarathy, Penelope J Cross, Renwick C J Dobson, Lily E Adams, Michael A Savka, André O Hudson
Tyrosine, phenylalanine and tryptophan are the three aromatic amino acids (AAA) involved in protein synthesis. These amino acids and their metabolism are linked to the synthesis of a variety of secondary metabolites, a subset of which are involved in numerous anabolic pathways responsible for the synthesis of pigment compounds, plant hormones and biological polymers, to name a few. In addition, these metabolites derived from the AAA pathways mediate the transmission of nervous signals, quench reactive oxygen species in the brain, and are involved in the vast palette of animal coloration among others pathways...
2018: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/29673790/molecular-detection-and-quantification-of-viable-probiotic-strains-in-animal-feedstuffs-using-the-commercial-direct-fed-microbial-lactobacillus-animalis-np51-as-a-model
#19
D I Ayala, J Chen, M Bugarel, G H Loneragan, H C den Bakker, K R Kottapalli, M M Brashears, K K Nightingale
Lactobacillus animalis NP51 is a direct-fed microbial strain (DFM) extensively used as a pre-harvest food safety mitigation in feedlot cattle due to its antagonistic effects against human foodborne pathogens such as Salmonella and Escherichia coli O157:H7. NP51 not only promotes overall gut health but interferes with the ability of these pathogens to colonize the gastrointestinal tract of cattle. As a result, NP51 reduces fecal shedding of Salmonella and E. coli O157:H7 in cattle presented for harvest and the load of these pathogens that enter the human food chain...
April 16, 2018: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/29666821/probiotics-for-the-control-of-helminth-zoonosis
#20
REVIEW
Abadi Amare Reda
This paper is a comprehensive, concise, and an up to date review about probiotics effect and mechanisms against helminth infections of zoonotic importance. Zoonoses are diseases that can be transmitted from animals to humans in a reversible way. Despite zoonotic helminth diseases being still a challenge to the public health and the agriculture industries globally, they were still neglected in both human and veterinary medicine. Moreover, the increasing emergence of anthelmintic drug resistance constitutes failures of most disease control strategies, alarming for a quest to new alternative control approaches...
2018: Journal of Veterinary Medicine
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