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Nutrition and immunity

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https://www.readbyqxmd.com/read/28208645/polyphenol-oxidases-in-crops-biochemical-physiological-and-genetic-aspects
#1
Francesca Taranto, Antonella Pasqualone, Giacomo Mangini, Pasquale Tripodi, Monica Marilena Miazzi, Stefano Pavan, Cinzia Montemurro
Enzymatic browning is a colour reaction occurring in plants, including cereals, fruit and horticultural crops, due to oxidation during postharvest processing and storage. This has a negative impact on the colour, flavour, nutritional properties and shelf life of food products. Browning is usually caused by polyphenol oxidases (PPOs), following cell damage caused by senescence, wounding and the attack of pests and pathogens. Several studies indicated that PPOs play a role in plant immunity, and emerging evidence suggested that PPOs might also be involved in other physiological processes...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28202354/non-invasive-monitoring-of-physiological-markers-in-primates
#2
REVIEW
V Behringer, T Deschner
The monitoring of endocrine markers that inform about an animal's physiological state has become an invaluable tool for studying the behavioral ecology of primates. While the collection of blood samples usually requires the animal to be caught and immobilized, non-invasively collected samples of saliva, urine, feces or hair can be obtained without any major disturbance of the subject of interest. Such samples enable repeated collection which is required for matching behavioral information over long time periods with detailed information on endocrine markers...
February 12, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28198913/body-composition-in-patients-with-crohn-s-disease-and-ulcerative-colitis
#3
Ivi Ribeiro Back, Sonia Silva Marcon, Natalia Moreno Gaino, Daniela Salate Biagioni Vulcano, Mariana de Souza Dorna, Ligia Yukie Sassaki
BACKGROUND: The nutritional status of individuals with inflammatory bowel diseases is directly related to the severity of the disease and is associated with poor prognosis and the deterioration of immune competence. OBJECTIVE: To assess the nutritional status and the body composition of outpatients with inflammatory bowel diseases. METHODS: A cross-sectional study was conducted with clinical and nutritional assessment of patients with Crohn's disease and ulcerative colitis...
February 13, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28198035/testing-the-effect-of-dietary-carotenoids-on-larval-survival-growth-and-development-in-the-critically-endangered-southern-corroboree-frog
#4
Phillip G Byrne, Aimee J Silla
The success of captive breeding programs (CBPs) for threatened species is often limited due to a lack of knowledge of the nutritional conditions required for optimal growth and survival. Carotenoids are powerful antioxidants known to accelerate vertebrate growth and reduce mortality. However, the effect of carotenoids on amphibian life-history traits remains poorly understood. The aim of our study was to use a manipulative laboratory experiment to test the effect of dietary-carotenoid supplementation during the larval life stage on the survival, growth and development of the critically endangered southern corroboree frog (Pseudophryne corroboree)...
February 15, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28196877/using-quantitative-mass-spectrometry-to-better-understand-the-influence-of-genetics-and-nutritional-perturbations-on-the-virulence-potential-of-staphylococcus-aureus
#5
Jessica R Chapman, Divya Balasubramanian, Kayan Tam, Manor Askenazi, Richard Copin, Bo Shopsin, Victor J Torres, Beatrix Ueberheide
Staphylococcus aureus (Sa) is the leading cause of a variety of bacterial infections ranging from superficial skin infections to invasive and life threatening diseases such as septic bacteremia, necrotizing pneumonia, and endocarditis. The success of Sa as a human pathogen is due to its ability to adapt to the environment by changing expression, production, or secretion of virulence factors. Although Sa immune evasion is well-studied, the regulation of virulence factors under different nutrient and growth conditions is still not well understood...
February 14, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28196555/dohad-at-the-intersection-of-maternal-immune-activation-and-maternal-metabolic-stress-a-scoping-review
#6
J A Goldstein, S A Norris, D M Aronoff
The prenatal environment is now recognized as a key driver of non-communicable disease risk later in life. Within the developmental origins of health and disease (DOHaD) paradigm, studies are increasingly identifying links between maternal morbidity during pregnancy and disease later in life for offspring. Nutrient restriction, metabolic disorders during gestation, such as diabetes or obesity, and maternal immune activation provoked by infection have been linked to adverse health outcomes for offspring later in life...
February 15, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28188477/probiotic-potential-of-a-lactobacillus-bacterium-of-canine-faecal-origin-and-its-impact-on-select-gut-health-indices-and-immune-response-of-dogs
#7
Sachin Kumar, Ashok Kumar Pattanaik, Shalini Sharma, Sunil Eknath Jadhav, Narayan Dutta, Avneesh Kumar
The objective of the present study was to develop a probiotic of canine-origin for its potential application in pet nutrition. Accordingly, 32 lactic acid bacteria (LAB) strains were isolated from faeces of dogs, out of which 9 strains were short-listed for further in vitro testing based on the aggregation time and cell surface hydrophobicity. The results of acid-, bile- and phenol-tolerance tests indicated that out of the nine, isolate cPRO23 was having better resistance to these adverse conditions likely to be encountered in the gastrointestinal tract...
February 10, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28182098/antioxidant-immunomodulating-and-microbial-modulating-activities-of-the-sustainable-and-ecofriendly-spirulina
#8
REVIEW
Alberto Finamore, Maura Palmery, Sarra Bensehaila, Ilaria Peluso
The highly nutritional and ecofriendly Spirulina (Arthrospira platensis) has hypolipidemic, hypoglycemic, and antihypertensive properties. Spirulina contains functional compounds, such as phenolics, phycocyanins, and polysaccharides, with antioxidant, anti-inflammatory, and immunostimulating effects. Studies conducted on Spirulina suggest that it is safe in healthy subjects, but attitude to eating probably affects the acceptability of Spirulina containing foods. Although the antioxidant effect of Spirulina is confirmed by the intervention studies, the concerted modulation of antioxidant and inflammatory responses, suggested by in vitro and animal studies, requires more confirmation in humans...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28173966/nutrition-interventions-in-patients-with-gynecological-cancers-requiring-surgery
#9
Andreas Obermair, Marko Simunovic, Liz Isenring, Monika Janda
OBJECTIVE: Including developing countries, between 20 and 88% of gynecological oncology patients may present with at least mild malnutrition at diagnosis. Significant morbidity and mortality is attributed to malnutrition. Here we reviewed randomized clinical trials of nutritional interventions used to achieve early return to oral diet, enhance recovery from surgery and reduce adverse events in gynecological cancer patients undergoing surgery. METHODS: Ebscohost (CINAHL+Medline+PsycINFO), Cochrane, Embase, PubMed and Scopus databases were searched for articles published from 2000 onwards...
February 4, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28167456/antidepressant-and-anxiolytic-like-activity-of-sodium-selenite-after-acute-treatment-in-mice
#10
Ewa Kędzierska, Jarosław Dudka, Ewa Poleszak, Jolanta H Kotlińska
BACKGROUND: Selenium (Se) is an essential trace element for humans and animals, that is needed for a broad variety of physiological functions including thyroid hormone metabolism, protection against oxidative stress, and immunity associated functions. Human nutritional Se deficiencies are associated with neuropsychiatric diseases, like Alzheimer's disease, Parkinson's disease, obsessive - compulsive disorder, stroke, epilepsy as well as depressive behaviours. In this study we examined antidepressant- and anxiolytic-like activity of Se in the inorganic form of sodium selenite and investigated whether Se influence on the locomotor activity in mice...
November 11, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28166850/a-fermented-milk-concentrate-and-a-combination-of-short-chain-galacto-oligosaccharides-long-chain-fructo-oligosaccharides-pectin-derived-acidic-oligosaccharides-protect-suckling-rats-from-rotavirus-gastroenteritis
#11
Mar Rigo-Adrover, Teresa Pérez-Berezo, Sara Ramos-Romero, Kees van Limpt, Karen Knipping, Johan Garssen, Jan Knol, Àngels Franch, Margarida Castell, Francisco J Pérez-Cano
Human milk contains bioactive compounds that confer a protective role against gastrointestinal infections. In order to find supplements for an infant formula able to mimic these benefits of breast-feeding, two different concepts were tested. The products consisted of the following: (1) a Bifidobacterium breve- and Streptococcus thermophilus-fermented formula and (2) a combination of short-chain galacto-oligosaccharides/long-chain fructo-oligosaccharides with pectin-derived acidic oligosaccharides. A rotavirus infection suckling rat model was used to evaluate improvements in the infectious process and in the immune response of supplemented animals...
February 7, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28166447/nutrition-support-for-persistent-inflammation-immunosuppression-and-catabolism-syndrome
#12
Frederick A Moore, Stuart Phillips, Craig McClain, Jayshil J Patel, Robert Martindale
Despite tremendous advances in critical care, multiple-organ failure continues to be a significant problem. However, in recent years, far fewer patients with multiple-organ failure die early, but many experience ongoing immune dysregulation and are developing persistent inflammation, immunosuppression, and catabolism syndrome (PICS). Most PICS patients are discharged to nonhome destinations, fail to rehabilitate, and succumb to indolent death. From a nutrition perspective, patients with PICS experience persistent inflammation-induced cachexia despite evidenced-based recommended intensive care unit nutrition support...
February 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28164466/food-restriction-affects-inflammatory-response-and-nutritional-state-in-tuco-tucos-ctenomys-talarum
#13
Julieta Leticia Merlo, Ana Paula Cutrera, Roxana Rita Zenuto
Insufficient or unbalanced food intake typically has a negative impact on immune responses. The understanding of this effect is, however, hampered by the effect that food has on general condition, which, in turn, affects immunity, and the interaction among general condition, immunocompetence, and concurrent infections. The goal of this study was to determine the effects of food restriction and methionine supplementation on immunity in tuco-tucos (Ctenomys talarum). Effects of diet manipulations on nutritional state, inflammatory response to phytohemagglutinin (PHA), and other immune parameters (bacterial killing capacity, natural antibodies, and leukocyte profile) were evaluated...
February 5, 2017: Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
https://www.readbyqxmd.com/read/28161165/supplemental-methionine-choline-or-taurine-alter-in-vitro-gene-network-expression-of-polymorphonuclear-leukocytes-from-neonatal-holstein-calves
#14
M K Abdelmegeid, M Vailati-Riboni, A Alharti, F Batistel, J J Loor
Isolated PMNL from neonatal calves were used to evaluate the effect of Met, choline, and taurine supplementation on mRNA expression of genes related to the Met cycle and innate immunity. Five neonatal Holstein calves (3 wk old) were used for PMNL isolation and in vitro culture. The selected genes were related to the 1-carbon and Met cycles, cell signaling and cytokine mediators, inflammation, antimicrobial and killing mechanism associated genes, immune mediators, adhesion, and pathogen recognition. The results indicated that supplementation of Met, choline, and taurine increased homocysteine synthesis through upregulation of SAHH...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28158900/biochemical-proximates-of-pumpkin-cucurbitaeae-spp-and-their-beneficial-effects-on-the-general-well-being-of-poultry-species
#15
REVIEW
M C Achilonu, I C Nwafor, D O Umesiobi, M M Sedibe
There is a growing need to increase productivity in poultry. Growth hormones and antibiotics have the ability to improve health, weight gain and feed efficiency in meat-producing animals. The growth-promoting antibiotics are administered to poultry to improve the general performance of the chicken. However, the use of the xenobiotic drugs in food-producing animals has been a concern and a sensitive issue of debate for several decades in the EU and many other regional blocks of the world. Consequently, the use of hormones in animal production has been banned in Italy, Denmark and Germany for over 4-5 decades, while Belgium and Greece had never permitted its use for livestock fattening purposes...
February 3, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28157611/the-advancement-of-probiotics-research-and-its-application-in-fish-farming-industries
#16
REVIEW
Goutam Banerjee, Arun Kumar Ray
Fish are always susceptible to a variety of lethal diseases caused by different types of bacterial, fungal, viral and parasitic agents. The unscientific management practises such as, over feeding, high stock densities and destructive fishing techniques increase the probability of disease symptoms in aquaculture industries. According to Food and Agriculture Association (FAO), each and every year several countries such as China, India, Norway, Indonesia, etc. face a huge loss in aquaculture production due to mainly bacterial and viral diseases...
January 23, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28157136/global-health-of-babies-and-children
#17
Susan Gennaro, Caitlin OʼConnor, Megan Marx
PURPOSE: We provide an overview of the health of neonates, infants, and children around the world. Issues in maximizing neonatal health are examined using the Sustainable Development Goals developed by the United Nations as a framework. RECOMMENDATIONS: Interventions that can help optimize neonatal, infant, and child health in the future are reviewed, including increasing preventative healthcare (immunizations, malaria prevention, exclusive breastfeeding for the first 6 months of life), enhancing point-of-care interventions (including umbilical cord care, antenatal corticosteroids if preterm birth is anticipated, and antibiotic therapy), enhancing nutritional interventions (to decrease diarrheal diseases and decrease wasting, stunting, and underweight), and building systems capacityClinical Implications: In an increasingly global world where wars, climate change, civil unrest, and economic uncertainty all influence health, it is important that nurses understand global health problems common for neonates, infants, and children and current recommendations to enhance their health...
February 1, 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28154012/gastrointestinal-immune-and-microbiome-changes-during-parenteral-nutrition
#18
Joseph F Pierre
Parenteral Nutrition (PN) is a lifesaving therapy that provides intravenous nutrition support to patients who cannot, or should not, feed via the gastrointestinal tract. Unfortunately, PN also carries certain risks related to infection and metabolic complications compared with enteral nutrition. In this review, an overview of PN and gastrointestinal (GI) immune and microbiome changes is provided. PN impacts the gut-associated lymphoid tissue (GALT) functions - especially adaptive immune cells - changes to intestinal epithelium and chemical secretions, and significantly alters the intestinal microbiome...
February 2, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28152476/the-efficacy-of-sulfated-polysaccharides-from-padina-tetrastromatica-in-modulating-the-immune-functions-of-raw-264-7-cells
#19
Geena Mariya Jose, G Muraleedhara Kurup
Immunomodulation is a collective term of immunostimulation and immunosuppression. Immunotherapy by means of immunomodulation is gaining additional significance as the frequency of mutant microbes as well as cancer cases are increasing in the present time. A wide population of marine vegetation has contributed to the traditional and modern therapeutic regimens owing to the abundance of bioactive molecules. Among the seaweed born macromolecules, the sulfated polysaccharides (SPS) from marine macro algae were reported to exhibit excellent biological activities in addition to their structural and nutritional roles...
January 30, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28148680/the-plasma-proteome-is-associated-with-anthropometric-status-of-undernourished-nepalese-school-aged-children
#20
Sun Eun Lee, Christine P Stewart, Kerry J Schulze, Robert N Cole, Lee S-F Wu, James D Yager, John D Groopman, Subarna K Khatry, Ramesh Kant Adhikari, Parul Christian, Keith P West
BACKGROUND: Malnutrition affects body growth, size, and composition of children. Yet, few functional biomarkers are known to be associated with childhood morphology. OBJECTIVE: This cross-sectional study examined associations of anthropometric indicators of height, musculature, and fat mass with plasma proteins by using proteomics in a population cohort of school-aged Nepalese children. METHODS: Height, weight, midupper arm circumference (MUAC), triceps and subscapular skinfolds, upper arm muscle area (AMA), and arm fat area (AFA) were assessed in 500 children 6-8 y of age...
February 1, 2017: Journal of Nutrition
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