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Nutrition and immunity

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https://www.readbyqxmd.com/read/28101961/antibody-formation-towards-porcine-tissue-in-patients-implanted-with-crosslinked-heart-valves-is-directed-to-antigenic-tissue-proteins-and-%C3%AE-gal-epitopes-and-is-reduced-in-healthy-vegetarian-subjects
#1
Ulrike Böer, Falk F R Buettner, Ariane Schridde, Melanie Klingenberg, Samir Sarikouch, Axel Haverich, Mathias Wilhelmi
BACKGROUND: Glutaraldehyde-fixed porcine heart valves (ga-pV) are one of the most frequently used substitutes for insufficient aortic and pulmonary heart valves which, however, degenerate after 10-15 years. Yet, xeno-immunogenicity of ga-pV in humans including identification of immunogens still needs to be investigated. We here determined the immunogenicity of ga-pV in patients with respect to antibody formation, identity of immunogens and potential options to reduce antibody levels. METHODS: Levels of tissue-specific and anti-αGal antibodies were determined retrospectively in patients who received ga-pV for 51 months (n=4), 25 months (n=6) or 5 months (n=4) and compared to age-matched untreated subjects (n=10) or younger subjects with or without vegetarian diet (n=12/15)...
January 18, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28099236/intratracheal-instillation-of-perfluorohexane-modulates-the-pulmonary-immune-microenvironment-by-attenuating-early-inflammatory-factors-in-patients-with-smoke-inhalation-injury-a-randomized-controlled-clinical-trial
#2
Hui Ding, Qi Lv, Shiman Wu, Shike Hou, Ziquan Liu, Ning Xu Landén, Ping Tian, Mengyang Yu, Zhiguang Sun, Haojun Fan
Smoke inhalation injury (SII) is associated with significant morbidity and mortality in burn patients, and effective treatments are lacking. Perfluorocarbons (PFCs) have a protective effect against acute lung injury. We aimed to assess the therapeutic effects of perfluorohexane on burn patients with SII. Patients with burns complicated by moderately severe SII were randomly divided into control (n = 11) and PFC groups (n = 12). The control group received conventional treatment (anti-infection, nutritional support, antishock measures, and supportive treatment)...
January 10, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28096329/tissue-dual-rna-seq-allows-fast-discovery-of-infection-specific-functions-and-riboregulators-shaping-host-pathogen-transcriptomes
#3
Aaron M Nuss, Michael Beckstette, Maria Pimenova, Carina Schmühl, Wiebke Opitz, Fabio Pisano, Ann Kathrin Heroven, Petra Dersch
Pathogenic bacteria need to rapidly adjust their virulence and fitness program to prevent eradication by the host. So far, underlying adaptation processes that drive pathogenesis have mostly been studied in vitro, neglecting the true complexity of host-induced stimuli acting on the invading pathogen. In this study, we developed an unbiased experimental approach that allows simultaneous monitoring of genome-wide infection-linked transcriptional alterations of the host and colonizing extracellular pathogens. Using this tool for Yersinia pseudotuberculosis-infected lymphatic tissues, we revealed numerous alterations of host transcripts associated with inflammatory and acute-phase responses, coagulative activities, and transition metal ion sequestration, highlighting that the immune response is dominated by infiltrating neutrophils and elicits a mixed TH17/TH1 response...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28096131/nutrition-micrornas-and-human-health
#4
REVIEW
Juan Cui, Beiyan Zhou, Sharon A Ross, Janos Zempleni
MicroRNAs (miRs) hybridize with complementary sequences in mRNA and silence genes by destabilizing mRNA or preventing translation of mRNA. Over 60% of human protein-coding genes are regulated by miRs, and 1881 high-confidence miRs are encoded in the human genome. Evidence suggests that miRs not only are synthesized endogenously, but also might be obtained from dietary sources, and that food compounds alter the expression of endogenous miR genes. The main food matrices for studies of biological activity of dietary miRs include plant foods and cow milk...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28096129/current-knowledge-of-necrotizing-enterocolitis-in-preterm-infants-and-the-impact-of-different-types-of-enteral-nutrition-products
#5
REVIEW
Jocelyn Shulhan, Bryan Dicken, Lisa Hartling, Bodil Mk Larsen
Preterm infants are extremely vulnerable to a range of morbidities and mortality. Underdeveloped cardiac, respiratory, gastrointestinal, and immune systems in the preterm period increase the risk of necrotizing enterocolitis (NEC), a serious disease of the gut. NEC affects 5-12% of very-low birth-weight infants, leads to surgery in 20-40% of cases, and is fatal in 25-50% of cases. There are multiple factors that may contribute to NEC, but the exact cause is not yet fully understood. Severe cases can result in intestinal resection or death, and the health care costs average >$300,000/infant when surgical management is required...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28096124/nutritional-considerations-for-healthy-aging-and-reduction-in-age-related-chronic-disease
#6
REVIEW
Julie Shlisky, David E Bloom, Amy R Beaudreault, Katherine L Tucker, Heather H Keller, Yvonne Freund-Levi, Roger A Fielding, Feon W Cheng, Gordon L Jensen, Dayong Wu, Simin N Meydani
A projected doubling in the global population of people aged ≥60 y by the year 2050 has major health and economic implications, especially in developing regions. Burdens of unhealthy aging associated with chronic noncommunicable and other age-related diseases may be largely preventable with lifestyle modification, including diet. However, as adults age they become at risk of "nutritional frailty," which can compromise their ability to meet nutritional requirements at a time when specific nutrient needs may be high...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28095328/an-integrated-proteomic-and-transcriptomic-analysis-of-perivitelline-fluid-proteins-in-a-freshwater-gastropod-laying-aerial-eggs
#7
Huawei Mu, Jin Sun, Horacio Heras, Ka Hou Chu, Jian-Wen Qiu
: Proteins of the egg perivitelline fluid (PVF) that surrounds the embryo are critical for embryonic development in many animals, but little is known about their identities. Using an integrated proteomic and transcriptomic approach, we identified 64 proteins from the PVF of Pomacea maculata - a freshwater snail adopting aerial oviposition. Proteins were classified into eight functional groups: major multifunctional perivitellin subunits, immune response, energy metabolism, protein degradation, oxidation-reduction, signaling and binding, transcription and translation, and others...
January 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28094233/association-between-the-mthfr-c677t-polymorphism-blood-folate-and-vitamin-b12-deficiency-and-elevated-serum-total-homocysteine-in-healthy-individuals-in-yunnan-province-china
#8
Juan Ni, Ling Zhang, Tao Zhou, Wei-Jiang Xu, Jing-Lun Xue, Neng Cao, Xu Wang
BACKGROUND: An increased serum total homocysteine (tHcy) concentration is typically associated with genetic defects involved in Hcy metabolism or related nutritional deficiencies. In this study, the combined effects of methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism and folate and vitamin B12 deficiency on serum total Hcy (tHcy) levels were evaluated in a healthy Chinese population in Yunnan Province, China. METHODS: The MTHFR C677T polymorphism was genotyped in 330 volunteers (164 men and 166 women) using polymerase chain reaction-restriction fragment length polymorphism analysis...
January 13, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28092597/role-of-probiotics-in-nutrition-and-health-of-small-ruminants
#9
M M Abd El-Tawab, I M I Youssef, H A Bakr, G C Fthenakis, N D Giadinis
Small ruminants represent an important economic source in small farm systems and agriculture. Feed is the main component of livestock farming, which has gained special attention to improve animal performance. Many studies have been done to improve feed utilisation through addition of feed additives. For a long period, antibiotics have been widely used as growth promoters in livestock diets. Due to their ban in many countries, search for alternative feed additives has been intensified. Probiotics are one of these alternatives recognised to be safe to the animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28088407/far-off-and-close-up-dry-matter-intake-modulate-indicators-of-immunometabolic-adaptations-to-lactation-in-subcutaneous-adipose-tissue-of-pasture-based-transition-dairy-cows
#10
M Vailati-Riboni, G Farina, F Batistel, A Heiser, M D Mitchell, M A Crookenden, C G Walker, J K Kay, S Meier, J R Roche, J J Loor
The common practice of increasing dietary energy density during the close-up dry period (last ∼3 wk prepartum) has been recently associated with a higher incidence of metabolic disorders after calving. Despite these reports, over-feeding of metabolizable energy (ME) during the far-off, nonlactating period is a common management policy aimed at achieving optimum calving body condition score (BCS) in pasture-based systems, as cows are generally thinner than total mixed ration cows at the end of lactation. Our hypothesis was that both far-off and close-up overfeeding influence the peripartum adipose tissue changes associated with energy balance and inflammatory state...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28086763/the-prevalence-and-factors-associated-with-malnutrition-among-infants-with-cleft-palate-and-or-lip-at-a-hospital-in-uganda-a-cross-sectional-study
#11
Martin Tungotyo, Daniel Atwine, Deborah Nanjebe, Andrew Hodges, Martin Situma
BACKGROUND: To determine the prevalence and factors associated with malnutrition among infants with Cleft palate and/or cleft lip (CP+/-L) at Comprehensive Rehabilitation for Uganda Hospital (CoRSU) in Uganda. METHODS: This was a cross-sectional study done on infants with CP+/-L and their caretakers admitted between November 2013 and October 2014 at CoRSU hospital which was the study setting. A questionnaire was answered by the infants' caretakers. The main outcome measure, malnutrition was defined and classified based on Z-scores obtained using the W...
January 13, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28077318/alcohol-microbiome-life-style-influence-alcohol-and-non-alcoholic-organ-damage
#12
REVIEW
Manuela G Neuman, Samuel W French, Samir Zakhari, Stefen Malnick, Helmut K Seitz, Lawrence B Cohen, Mikko Salaspuro, Andreea Voinea Griffin, Andrei Barasch, Irina A Kirpich, Paul G Thomes, Laura W Schrum, Terrence M Donohue, Kusum Kharbanda, Marcus Cruz, Mihai Opris
This paper is based upon the "8th Charles Lieber's Satellite Symposium" organized by Manuela G. Neuman at the Research Society on Alcoholism Annual Meeting, onJune 25, 2016 at New Orleans, Louisiana, USA. The integrative symposium investigated different aspects of alcohol-induced liver disease (ALD) as well as non-alcohol-induced liver disease (NAFLD) and possible repair. We revealedthe basic aspects of alcohol metabolism that may be responsible for the development of liver diseaseas well as the factors that determine the amount, frequency and which type of alcohol misuse leads to liver and gastrointestinal diseases...
January 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28077192/dietary-probiotic-supplementation-improves-growth-and-the-intestinal-morphology-of-nile-tilapia
#13
M A Ramos, S Batista, M A Pires, A P Silva, L F Pereira, M J Saavedra, R O A Ozório, P Rema
Probiotic administration can be a nutritional strategy to improve the immune response and growth performance of fish. The current study aimed to evaluate the effects of a probiotic blend (Bacillus sp., Pediococcus sp., Enterococcus sp., Lactobacillus sp.) as a dietary supplement on growth performance, feed utilization, innate immune and oxidative stress responses and intestinal morphology in juvenile Nile tilapia (Oreochromis niloticus). The probiotic was incorporated into a basal diet at three concentrations: 0 g/kg (A0: control), 3 g/kg (A1: 1...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28075024/uncovering-iron-regulation-with-species-specific-transcriptome-patterns-in-atlantic-and-coho-salmon-during-a-caligus-rogercresseyi-infestation
#14
V Valenzuela-Muñoz, S Boltaña, C Gallardo-Escárate
Salmon species cultured in Chile evidence different levels of susceptibility to the sea louse Caligus rogercresseyi. These differences have mainly been associated with specific immune responses. Moreover, iron regulation seems to be an important mechanism to confer immunity during the host infestation. This response called nutritional immunity has been described in bacterial infections, despite that no comprehensive studies involving in marine ectoparasites infestation have been reported. With this aim, we analysed the transcriptome profiles of Atlantic and coho salmon infected with C...
January 11, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28074891/intake-of-vitamin-c-vitamin-e-selenium-zinc-and-polyunsaturated-fatty-acids-and-upper-respiratory-tract-infection-a-prospective-cohort-study
#15
S E Raposo, E Fondell, P Ström, O Bälter, S E Bonn, O Nyrén, A Plymoth, K Bälter
BACKGROUND/OBJECTIVES: Antioxidants and polyunsaturated fatty acids (PUFAs) have a role in the human immune defense and may affect the susceptibility to upper respiratory tract infection (URTI). To examine dietary intake of vitamin C, vitamin E, selenium, zinc and PUFAs in relation to URTI incidence in a prospective cohort study. SUBJECTS/METHODS: A total of 1533 Swedish women and men aged 25-64 years were followed for nine months during 2011-2012. Information on dietary intake was assessed through a web-based food frequency questionnaire, and events of URTI were self-reported prospectively as they occurred...
January 11, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28072447/randomized-clinical-trial-comparing-standard-diet-with-perioperative-oral-immunonutrition-in-total-gastrectomy-for-gastric-cancer
#16
S Ida, N Hiki, H Cho, K Sakamaki, S Ito, K Fujitani, N Takiguchi, Y Kawashima, K Nishikawa, M Sasako, T Aoyama, M Honda, T Sato, S Nunobe, T Yoshikawa
BACKGROUND: Total gastrectomy for gastric cancer is associated with excessive weight loss and decreased calorie intake. Nutritional support using eicosapentaenoic acid modulates immune function and limits catabolism in patients with advanced cancer, but its impact in the perioperative period is unclear. METHODS: This was a randomized phase III clinical trial of addition of eicosapentaenoic acid-rich nutrition to a standard diet in patients having total gastrectomy for gastric cancer...
January 10, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28070760/the-generation-r-study-design-and-cohort-update-2017
#17
Marjolein N Kooijman, Claudia J Kruithof, Cornelia M van Duijn, Liesbeth Duijts, Oscar H Franco, Marinus H van IJzendoorn, Johan C de Jongste, Caroline C W Klaver, Aad van der Lugt, Johan P Mackenbach, Henriëtte A Moll, Robin P Peeters, Hein Raat, Edmond H H M Rings, Fernando Rivadeneira, Marc P van der Schroeff, Eric A P Steegers, Henning Tiemeier, André G Uitterlinden, Frank C Verhulst, Eppo Wolvius, Janine F Felix, Vincent W V Jaddoe
The Generation R Study is a population-based prospective cohort study from fetal life until adulthood. The study is designed to identify early environmental and genetic causes and causal pathways leading to normal and abnormal growth, development and health from fetal life, childhood and young adulthood. This multidisciplinary study focuses on several health outcomes including behaviour and cognition, body composition, eye development, growth, hearing, heart and vascular development, infectious disease and immunity, oral health and facial growth, respiratory health, allergy and skin disorders of children and their parents...
December 2016: European Journal of Epidemiology
https://www.readbyqxmd.com/read/28069752/microbiome-modulated-metabolites-at-the-interface-of-host-immunity
#18
REVIEW
Eran Blacher, Maayan Levy, Evgeny Tatirovsky, Eran Elinav
The mammalian gastrointestinal tract and associated mucosal immune system harbor a large repertoire of metabolites of prokaryotic and eukaryotic origin that play important roles in eukaryotic development and physiology. These often bioactive small molecules originate from nutrition- and environmental-related sources, or are endogenously produced and modulated by the host and its microbiota. A complex network of interactions exists between the intestinal mucosal immune system and the microbiota. This intimate cross-talk may be driven by metabolite secretion and signaling, and features profound influences on host immunity and physiology, including the endocrine, metabolic, and nervous system function in health and disease...
January 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28068209/the-role-of-early-life-nutrition-in-the-establishment-of-gastrointestinal-microbial-composition-and-function
#19
Erin C Davis, Mei Wang, Sharon M Donovan
The development of the human infant intestinal microbiota is a sequential process that begins in utero and continues during the first 2 to 3 years of life. Microbial composition and diversity are shaped by host genetics and multiple environmental factors, of which diet is a principal contributor. An understanding of this process is of clinical importance as the microbiota acquired in early life influence gastrointestinal, immune and neural development, and reduced microbial diversity or dysbiosis during infancy is associated with disorders in infancy and later childhood...
January 9, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28068145/comparison-of-patient-health-history-questionnaires-used-in-general-internal-and-family-medicine-integrative-medicine-and-complementary-and-alternative-medicine-clinics
#20
Justin G R Laube, Martin F Shapiro
OBJECTIVES: Health history questionnaires (HHQs) are a set of self-administered questions completed by patients prior to a clinical encounter. Despite widespread use, minimal research has evaluated the content of HHQs used in general internal medicine and family medicine (GIM/FM), integrative medicine, and complementary and alternative medicine (CAM; chiropractic, naturopathic, and Traditional Chinese Medicine [TCM]) clinics. Integrative medicine and CAM claim greater emphasis on well-being than does GIM/FM...
January 9, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
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