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Micronutrients

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https://www.readbyqxmd.com/read/27936288/staple-crops-biofortified-with-increased-vitamins-and-minerals-considerations-for-a-public-health-strategy
#1
Maria Nieves Garcia-Casal, Juan Pablo Peña-Rosas, Boitshepo Giyose
Biofortification of staple crops has been proposed as a strategy to address micronutrient malnutrition, particularly with respect to insufficient intake of vitamin A, iron, zinc, and folate. The World Health Organization, in collaboration with the Food and Agriculture Organization of the United Nations and the Sackler Institute for Nutrition Science at the New York Academy of Sciences, convened a technical consultation entitled "Staple Crops Biofortified with Vitamins and Minerals: Considerations for a Public Health Strategy" in April 2016...
December 9, 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27935586/use-of-plankton-derived-vitamin-b1-precursors-especially-thiazole-related-precursor-by-key-marine-picoeukaryotic-phytoplankton
#2
Ryan W Paerl, Francois-Yves Bouget, Jean-Claude Lozano, Valérie Vergé, Philippe Schatt, Eric E Allen, Brian Palenik, Farooq Azam
Several cosmopolitan marine picoeukaryotic phytoplankton are B1 auxotrophs requiring exogenous vitamin B1 or precursor to survive. From genomic evidence, representatives of picoeukaryotic phytoplankton (Ostreococcus and Micromonas spp.) were predicted to use known thiazole and pyrimidine B1 precursors to meet their B1 demands, however, recent culture-based experiments could not confirm this assumption. We hypothesized these phytoplankton strains could grow on precursors alone, but required a thiazole-related precursor other the well-known and extensively tested 4-methyl-5-thiazoleethanol...
December 9, 2016: ISME Journal
https://www.readbyqxmd.com/read/27935522/macro-and-micronutrient-intakes-in-picky-eaters-a-cause-for-concern
#3
Caroline M Taylor, Kate Northstone, Susan M Wernimont, Pauline M Emmett
BACKGROUND: Picky eating (PE) is characterized by an unwillingness to eat certain foods and by strong food preferences. PE may result in lower intakes of energy and nutrients, which may compromise health. OBJECTIVES: We quantified nutrient and food group intakes in children identified as picky eaters or nonpicky eaters and compared intakes between groups and with United Kingdom reference nutrient intakes. DESIGN: PE was identified in an observational cohort (Avon Longitudinal Study of Parents and Children) from questionnaires administered when children were aged 2, 3, 4...
December 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27933068/mapping-quantitative-trait-loci-controlling-high-iron-and-zinc-content-in-self-and-open-pollinated-grains-of-pearl-millet-pennisetum-glaucum-l-r-br
#4
Sushil Kumar, Charles T Hash, Nepolean Thirunavukkarasu, Govind Singh, Vengaldas Rajaram, Abhishek Rathore, Senthilvel Senapathy, Mahesh D Mahendrakar, Rattan S Yadav, Rakesh K Srivastava
Pearl millet is a multipurpose grain/fodder crop of the semi-arid tropics, feeding many of the world's poorest and most undernourished people. Genetic variation among adapted pearl millet inbreds and hybrids suggests it will be possible to improve grain micronutrient concentrations by selective breeding. Using 305 loci, a linkage map was constructed to map QTLs for grain iron [Fe] and zinc [Zn] using replicated samples of 106 pearl millet RILs (F6) derived from ICMB 841-P3 × 863B-P2. The grains of the RIL population were evaluated for Fe and Zn content using atomic absorption spectrophotometer...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27932543/members-of-the-zinc-cluster-factor-family-alters-virulence-in-candida-albicans
#5
Luca Issi, Rhys A Farrer, Kelly Pastor, Benjamin Landry, Toni Delorey, George W Bell, Dawn A Thompson, Christina A Cuomo, Reeta P Rao
Virtually all humans are colonized with Candida albicans However, in immunocompromised individuals this benign commensal organism becomes a serious, life-threatening pathogen. Here, we describe and analyze the regulatory networks that modulate innate responses in the host niches. We identified Zcf15 and Zcf29, two Zinc Cluster transcription Factors (ZCF) that are required for C. albicans virulence. Previous sequence analysis of clinical C. albicans isolates from immunocompromised patients indicates that both ZCF genes diverged during clonal evolution...
December 7, 2016: Genetics
https://www.readbyqxmd.com/read/27930976/nephro-protective-effect-of-a-novel-formulation-of-unopened-coconut-inflorescence-sap-powder-on-gentamicin-induced-renal-damage-by-modulating-oxidative-stress-and-inflammatory-markers
#6
Svenia P Jose, Asha S, Krishnakumar Im, Ratheesh M, Savitha Santhosh, Sandya S, Girish Kumar B, Pramod C
Fresh oyster white translucent sap obtained from the tender unopened inflorescence of coconut trees (Cocos nucifera) is identified to have great health benefits. Drug induced Nephrotoxicity is one of the major causes of renal damage in present generation. As a therapeutic agent, gentamicin imparts direct toxicity to kidney, resulting in acute tubular necrosis, glomerular and tubulointerstitial injury, haemodynamically mediated damage and obstructive nephropathy.There exists an increasing demand for safe and natural agents for the treatment and/or preventionofchronic nephrotoxicity and pathogenesis of kidney diseases...
December 5, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27928133/dietary-patterns-and-nutritional-assessment-in-middle-aged-and-elderly-men
#7
Tomoko Ito, Kumpei Tanisawa, Ryoko Kawakami, Mitsuru Higuchi
Objectives Dietary patterns are studied to determine the relationship between diet and health. However, little is known about whether various dietary patterns fulfill adequate nutrient intake. Therefore, the purpose of this study was to investigate the association between major dietary patterns and nutritional intakes in middle-aged and elderly men. Furthermore, we examined the associations between dietary patterns and micronutrients status by using the reference values from the Dietary Reference Intakes for Japanese 2010 (DRIs-J 2010)...
2016: [Nihon Kōshū Eisei Zasshi] Japanese Journal of Public Health
https://www.readbyqxmd.com/read/27927684/in-vitro-patterning-of-pluripotent-stem-cell-derived-intestine-recapitulates-in-vivo-human-development
#8
Yu-Hwai Tsai, Roy Nattiv, Priya H Dedhia, Melinda S Nagy, Alana M Chin, Matthew Thomson, Ophir Klein, Jason Spence
The intestine plays a central role in digestion, nutrient absorption and metabolism, with individual regions of the intestine having distinct functional roles. For example, the most proximal region of the small intestine, the duodenum, is associated with absorption of micronutrients such as iron and folate, whereas the more distal ileum is responsible for recycling bile salts. Many examples of region-specific gene expression in the adult intestine are known, but how intestinal regional identity is established during development is a largely open question...
December 7, 2016: Development
https://www.readbyqxmd.com/read/27925426/the-impact-of-home-fortification-with-multiple-micronutrient-powder-on-vitamin-a-status-in-young-children-a-multicenter-pragmatic-controlled-trial-in-brazil
#9
Lara Livia Santos Silva, Rosângela Aparecida Augusto, Daniela Cardoso Tietzmann, Leopoldina Augusta Souza Sequeira, Maria Claret Costa Monteiro Hadler, Pascoal Torres Muniz, Pedro Israel Cabral de Lira, Marly Augusto Cardoso
Home fortification with multiple micronutrient powder (MNP) is effective in the prevention of anemia in young children. However, the impact on their vitamin A status remains controversial. This study aimed to evaluate the effect of MNP on vitamin A status in young Brazilian children. A multicenter pragmatic, controlled trial was carried out in primary health centers in four Brazilian cities. In the beginning of the study, the control group (CG) consisted of children 11-14 months old (n = 395) attending in routine pediatric health care...
December 7, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27924606/oral-epithelial-cell-culture-model-for-studying-the-pathogenesis-of-chronic-inflammatory-disease
#10
Mike R Milward, Martin R Ling, Melissa M Grant, Iain L C Chapple
The interactions between bacteria, epithelium, and neutrophilic polymorphonuclear leukocytes (neutrophils) are the key to the initiation and progression of many chronic inflammatory-immune diseases. In addition, all can be influenced by external factors, such as micronutrients, thereby providing potentially novel approaches to therapy. This chapter will therefore provide detailed methods for core techniques involved in studying cellular and molecular epithelial responses to a bacterial challenge in relation to chronic inflammatory disease pathogenesis and therapy...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924588/antioxidant-micronutrients-and-oxidative-stress-biomarkers
#11
Iain L C Chapple, Helen R Griffiths, Mike R Milward, Martin R Ling, Melissa M Grant
Chronic inflammatory diseases are the major causes of mortality in humans and recent research has improved our understanding of the major impact of life-style factors upon inflammatory diseases and conditions. One of the most influential of these is nutrition, which may drive both pro-inflammatory as well as anti-inflammatory cascades at molecular and cellular levels. There are a variety of model systems that may be employed to investigate the impact of micronutrients and macronutrients upon inflammatory pathways, many of which operate through oxidative stress, either at the level of controlling the redox state of the cell and downstream redox-regulated gene transcription factors, and other acting as free radical generating or scavenging agents...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27919644/comparative-investigation-of-methionine-and-novel-formulation-metovitan-protective-effects-in-wistar-rats-with-testicular-and-epididymal-toxicity-induced-by-anti-tuberculosis-drugs-co-administration
#12
Ganna M Shayakhmetova, Larysa B Bondarenko, Alla K Voronina, Valentina M Kovalenko
Despite clear beneficial effects, studies on the efficacy of different formulations of micronutrients and vitamins in the treatment of male infertility are still very limited. The aim of the study was to compare the efficacy of methionine and novel formulation Metovitan based on the combination of methionine, thiamine, nicotinamide, α-tocopherol acetate and zinc salt as remedies for prevention of anti-tuberculosis drugs (ATD) anti-fertility effects in male rats. ATD co-administration resulted in testicular CYP2E1, CYP2C23 and CYP3A2 transcriptional activation...
December 2, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27918586/impact-of-preconception-micronutrient-supplementation-on-anemia-and-iron-status-during-pregnancy-and-postpartum-a-randomized-controlled-trial-in-rural-vietnam
#13
Phuong H Nguyen, Melissa Young, Ines Gonzalez-Casanova, Hoa Q Pham, Hieu Nguyen, Truong V Truong, Son V Nguyen, Kimberly B Harding, Gregory A Reinhart, Reynaldo Martorell, Usha Ramakrishnan
OBJECTIVE: Preconception micronutrient interventions may be a promising approach to reduce anemia and iron deficiency during pregnancy, but currently we have limited data to inform policies. We evaluated whether providing additional pre-pregnancy weekly iron-folic acid (IFA) or multiple micronutrient (MM) supplements compared to only folic acid (FA) improves iron status and anemia during pregnancy and early postpartum. METHODS: We conducted a double blind randomized controlled trial in which 5011 Vietnamese women were provided with weekly supplements containing either only 2800 μg FA (control group), IFA (60 mg Fe and 2800 μg FA) or MM (15 micronutrients with similar amounts of IFA)...
2016: PloS One
https://www.readbyqxmd.com/read/27917743/context-specific-complementary-feeding-recommendations-developed-using-optifood-could-improve-the-diets-of-breast-fed-infants-and-young-children-from-diverse-livelihood-groups-in-northern-kenya
#14
Marieke Vossenaar, Frances A Knight, Alison Tumilowicz, Christine Hotz, Peter Chege, Elaine L Ferguson
OBJECTIVE: To formulate age- and context-specific complementary feeding recommendations (CFR) for infants and young children (IYC) and to compare the potential of filling population-level nutrient gaps using common sets of CFR across age groups. DESIGN: Linear programming was used to develop CFR using locally available and acceptable foods based on livelihood- and age-group-specific dietary patterns observed through 24 h dietary recalls. Within each livelihood group, the nutrient potential of age-group-specific v...
December 5, 2016: Public Health Nutrition
https://www.readbyqxmd.com/read/27916932/compliance-with-who-iycf-indicators-and-dietary-intake-adequacy-in-a-sample-of-malaysian-infants-aged-6-23-months
#15
Geok Lin Khor, Sue Yee Tan, Kok Leong Tan, Pauline S Chan, Maria Sofia V Amarra
BACKGROUND: The 2010 World Health Organisation (WHO) Infant and Young Child Feeding (IYCF) indicators are useful for monitoring feeding practices. METHODS: A total sample of 300 subjects aged 6 to 23 months was recruited from urban suburbs of Kuala Lumpur and Putrajaya. Compliance with each IYCF indicator was computed according to WHO recommendations. Dietary intake based on two-day weighed food records was obtained from a sub-group (N = 119) of the total sample...
December 1, 2016: Nutrients
https://www.readbyqxmd.com/read/27916904/impact-of-pre-pregnancy-bmi-on-b-vitamin-and-inflammatory-status-in-early-pregnancy-an-observational-cohort-study
#16
Anne-Lise Bjørke-Monsen, Arve Ulvik, Roy M Nilsen, Øivind Midttun, Christine Roth, Per Magnus, Camilla Stoltenberg, Stein Emil Vollset, Ted Reichborn-Kjennerud, Per Magne Ueland
Maternal nutrition and inflammation have been suggested as mediators in the development of various adverse pregnancy outcomes associated with maternal obesity. We have investigated the relation between pre-pregnancy BMI, B vitamin status, and inflammatory markers in a group of healthy pregnant women. Cobalamin, folate, pyridoxal 5'-phosphate, and riboflavin; and the metabolic markers homocysteine, methylmalonic acid, and 3-hydroxykynurenine/xanthurenic acid ratio (HK/XA); and markers of cellular inflammation, neopterin and kynurenine/tryptophan ratio (KTR) were determined in pregnancy week 18 and related to pre-pregnancy body mass index (BMI), in 2797 women from the Norwegian Mother and Child Cohort Study (MoBa)...
November 30, 2016: Nutrients
https://www.readbyqxmd.com/read/27916873/the-effect-of-low-dose-iron-and-zinc-intake-on-child-micronutrient-status-and-development-during-the-first-1000-days-of-life-a-systematic-review-and-meta-analysis
#17
REVIEW
Nicolai Petry, Ibironke Olofin, Erick Boy, Moira Donahue Angel, Fabian Rohner
Adequate supply of micronutrients during the first 1000 days is essential for normal development and healthy life. We aimed to investigate if interventions administering dietary doses up to the recommended nutrient intake (RNI) of iron and zinc within the window from conception to age 2 years have the potential to influence nutritional status and development of children. To address this objective, a systematic review and meta-analysis of randomized and quasi-randomized fortification, biofortification, and supplementation trials in women (pregnant and lactating) and children (6-23 months) delivering iron or zinc in doses up to the recommended nutrient intake (RNI) levels was conducted...
November 30, 2016: Nutrients
https://www.readbyqxmd.com/read/27916687/a-unique-combination-of-micronutrients-rejuvenates-cognitive-performance-in-aged-mice
#18
Sam D Perez, Kristy Du, Catarina Rendeiro, Lin Wang, Qian Wu, Stanislav S Rubakhin, Rema Vazhappilly, Jeffrey H Baxter, Jonathan V Sweedler, Justin S Rhodes
It is widely believed that diet can influence the onset and severity of cognitive aging, but the optimal combination of micronutrients and molecular and cellular mechanisms remain elusive. The purpose of this study was to compare the effects of eight distinct diets, consisting of various concentrations of selected micronutrients, on learning and memory as well as markers of neuronal plasticity, and metabolic and neuro-immune status of the aged hippocampus. Eighteen-month-old male and female C57BL/6J mice were fed the diets for 16 weeks, followed by learning and memory trials on the active avoidance task...
December 1, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27915147/highly-sensitive-optical-interferometric-technique-reveals-stress-dependent-instantaneous-nanometric-growth-fluctuations-of-chinese-chive-leaf-under-heavy-metal-stress
#19
Kokge Thilini Kanchana Muthumali DeSilva, Uma Maheswari Rajagopalan, Hirofumi Kadono
Plant growth apart from being a complex and highly dynamic is dependent on its immediate environment. Leaf expansion measurements using Statistical Interferometry Technique, a sensitive interferometric technique at nanometric accuracy and at sub-second levels revealed the presence of characteristic nanometric intrinsic fluctuations [Plant Biotechnology 31, 195 (2014)]. In this paper, we demonstrate that the nanometric intrinsic fluctuations are sensitive enough that they change under exposure of heavy metals, essential micronutrient zinc and non-essential element cadmium, at relatively low concentrations in the leaves of Chinese chive (Allium tuberosum)...
December 1, 2016: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27914804/nutrition-and-chronic-inflammatory-rheumatic-disease
#20
Luca Semerano, Chantal Julia, Ouidade Aitisha, Marie-Christophe Boissier
Nutrition is a major environmental influence on human health. Epidemiological and interventional studies suggest a pathophysiological or therapeutic role, respectively, for nutrition in inflammatory rheumatic diseases (IRDs). Nevertheless, the associations between nutrition and IRDs are often weak and inconsistent, and the available clinical trials on nutrition are methodologically flawed. Experimental evidence is accumulating that micronutrients in the diet may influence intestinal and systemic immune responses via complex interactions involving the gut microbiota...
November 30, 2016: Joint, Bone, Spine: Revue du Rhumatisme
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