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Micronutrients

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https://www.readbyqxmd.com/read/29782934/effects-of-copper-and-arsenic-stress-on-the-development-of-norway-spruce-somatic-embryos-and-their-visualization-with-the-environmental-scanning-electron-microscope
#1
Biljana Đorđević, Vilém Neděla, Eva Tihlaříková, Václav Trojan, Ladislav Havel
Somatic embryogenesis is an important biotechnological technique which can be used in studies associated with environmental stress. Four embryogenic cell lines of Norway spruce were grown on media enriched with copper and arsenic in concentration ranges 50-500 μM and 10-50 μM, respectively. The effects were observed during subsequent stages of somatic embryogenesis, the characteristics evaluated being proliferation potential, average number of somatic embryos obtained per g/fresh weight, morphology of developed somatic embryos, metal uptake, and microanalysis of macro- and micronutrients uptake...
May 18, 2018: New Biotechnology
https://www.readbyqxmd.com/read/29782257/-deficit-of-magnesium-and-states-of-hypercoagulation-intellectual-analysis-of-data-obtained-from-a-sample-of-patients-aged-18-50-years-from-medical-and-preventive-facilities-in-russia
#2
O A Gromova, I Y Torshin, Z D Kobalava, M A Sorokina, S V Villevalde, S A Galochkin, I V Gogoleva, O N Gracheva, T R Grishina, A N Gromov, E Y Egorova, A G Kalacheva, S I Malyavskaya, I A Meraĭ, V A Semenov
The states characterized by pronounced hypercoagulable components (deep vein thrombosis, cardio- and cerebro-vascular pathologies) are caused by multiple pathophysiological factors, including insufficient supply of magnesium (Mg) and other micronutrients. AIM: to present results of analysis of the Institute of Microelements Data Base (IMDB) performed from point of view of interrelationships of Mg deficit and hypercoagulable states in adults treated in medico-preventive facilities of Central, Northwestern, Northern, and Siberian federal districts of Russia...
April 2018: Kardiologiia
https://www.readbyqxmd.com/read/29781250/low-level-aflatoxin-exposure-associated-with-greater-linear-growth-in-southern-mexico-a-longitudinal-study
#3
Jef L Leroy, Celeste Sununtnasuk, Armando García-Guerra, Jia-Sheng Wang
Aflatoxins are a group of naturally occurring mycotoxins, which can lead to death and are a known cause of hepatocellular carcinoma. AF exposure has been hypothesised to lead to stunted growth in children, but separating the AF effect from other determinants of linear growth retardation is difficult. The study used secondary data from an efficacy trial conducted in young children in southern Mexico to test the comparative efficacy of a milk-based multiple micronutrient-fortified food, a multiple micronutrient syrup, or a multiple micronutrient powder...
May 21, 2018: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/29780402/dark-septate-endophytic-fungi-increase-green-manure-15-n-recovery-efficiency-n-contents-and-micronutrients-in-rice-grains
#4
Carlos Vergara, Karla E C Araujo, Segundo Urquiaga, Claudete Santa-Catarina, Nivaldo Schultz, Ednaldo da Silva Araújo, Fabiano de Carvalho Balieiro, Gustavo R Xavier, Jerri É Zilli
An understanding of the interaction between rice and dark septate endophytic (DSE) fungi, under green fertilization, may lead to sustainable agricultural practices. Nevertheless, this interaction is still poorly understood. Therefore, in this study, we aimed to evaluate the accumulation of macro- and micronutrients, dry matter, and protein and N recovery efficiency from Canavalia ensiformis (L.)-15 N in rice inoculated with DSE fungi. An experiment under greenhouse conditions was conducted in a randomized complete block design comprising split-plots, with five replicates of rice plants potted in non-sterilized soil...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29779823/the-role-of-thiamine-dependent-enzymes-in-obesity-and-obesity-related-chronic-disease-states-a-systematic-review
#5
REVIEW
Donogh Maguire, Dinesh Talwar, Paul G Shiels, Donald McMillan
The WHO 2016 report indicates that worldwide obesity is rising, with over 600 million people in the obese range (BMI>30). The recommended daily calorie intake for adults is 2000 kcal and 2500 kcal for women and men respectively. The average American consumes 3770 kcal/day and the average person in the UK consumes 3400 kcal/day. With such increased caloric intake, there is an increased load on metabolic pathways, in particular glucose metabolism. Such metabolism requires micronutrients as enzyme co-factors...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29779810/association-between-nutritional-blood-based-biomarkers-and-clinical-outcome-in-sarcopenia-patients
#6
Salah Gariballa, Awad Alessa
BACKGROUND: Although several micronutrients deficiency were reported to be associated with poor muscle function, however information on sarcopenia patients is still lacking. The aim of this report was to measure some micronutrients blood-based status in sarcopenia patients during both acute illness and recovery. DESIGN: We assessed nutritional status of randomly selected hospitalised patients using anthropometric, haematological and biochemical data at baseline, 6 weeks and at 6 months...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29779806/iron-absorption-from-beans-with-different-contents-of-iron-evaluated-by-stable-isotopes
#7
Márcia Varella Morandi Junqueira-Franco, José Eduardo Dutra de Oliveira, Marilia Regini Nutti, Helton Santos Pereira, José Luiz Vianna de Carvalho, Steven A Abrams, Camila Fernanda Cunha Brandão, Júlio Sérgio Marchini
BACKGROUND: The introduction of biofortified foods such as beans with higher iron content may be a useful tool in preventing iron deficiency. The biofortification aims to reach the root of the problem of malnutrition, targets the neediest population, uses embedded distribution mechanisms, is scientifically feasible and effective in terms of cost, and complements other ongoing interventions to control micronutrient deficiency. However, to ensure effectiveness, measurement of the absorption of minerals is essential...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29778465/roles-for-selenium-and-selenoprotein-p-in-the-development-progression-and-prevention-of-intestinal-disease
#8
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/29777369/adherence-to-special-diets-and-its-association-with-meeting-the-nutrient-recommendations-in-individuals-with-type-1-diabetes
#9
A J Ahola, C Forsblom, Per-Henrik Groop
AIMS: Not much is known about adherence to special diets in type 1 diabetes, characteristics of individuals with special diets, and whether such practices should raise concerns with respect to meeting the dietary recommendations. In this study, we assessed the frequencies of adherence to special diets, in a population of individuals with type 1 diabetes, and investigated the association between special diet adherence and dietary intake, measured as dietary patterns and nutrient intakes...
May 18, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29773950/could-autism-be-associated-with-nutritional-status-in-the-palestinian-population-the-outcomes-of-the-palestinian-micronutrient-survey
#10
Mohammad Altamimi
Background: Autism spectrum disorder is a neurodevelopmental disorder. It is believed that the cause of autism is multifactorial, where genetic predispositions interact with environmental factors. In this context, micronutrients play a crucial role. Objective: To present evidence on current micronutrient status in Palestine and highlight its possible role in increasing problems of neurodevelopment disorders in general and autism in particular. Method: Analytical review of results...
2018: Nutrition and Metabolic Insights
https://www.readbyqxmd.com/read/29773873/therapeutic-nanoparticles-penetrate-leaves-and-deliver-nutrients-to-agricultural-crops
#11
Avishai Karny, Assaf Zinger, Ashima Kajal, Janna Shainsky-Roitman, Avi Schroeder
As the world population grows, there is a need for efficient agricultural technologies to provide global food requirements and reduce environmental toll. In medicine, nanoscale drug delivery systems grant improved therapeutic precision by overcoming biological barriers and enhancing drug targeting to diseased tissues. Here, we loaded nanoscale drug-delivery systems with agricultural nutrients, and applied them to the leaves of tomato plants. We show that the nanoparticles - liposomes composed of plant-derived lipids, penetrate the leaf and translocate in a bidirectional manner, distributing to other leaves and to the roots...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773178/evaluation-of-changes-in-the-macro-and-micronutrients-homeostasis-of-transgenic-and-non-transgenic-soybean-plants-after-cultivation-with-silver-nanoparticles-through-ionomic-approaches
#12
Rodrigo Moretto Galazzi, Marco Aurélio Zezzi Arruda
An ionomic approach is conducted for evaluating the silver distribution, in different soybean plant compartments, as well as its influence on the homeostasis of some macro (P and S) and micro (Cu, Fe, Mn and Zn) nutrients. Silver is added to transgenic and non-transgenic soybean plants as nanoparticles or silver nitrate for comparative purposes. The transgenic plants translocate a higher amount of silver (100 and 65% for silver nanoparticles and silver nitrate expositions, respectively) than non-transgenic, and considering the treatments, the cultivation with silver nanoparticles results in a higher translocation rate (100 and 21% for transgenic and non-transgenic plants, respectively)...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772658/in-vitro-iron-bioavailability-of-brazilian-food-based-by-products
#13
Gabriela M Chiocchetti, Elisabete A De Nadai Fernandes, Anna A Wawer, Susan Fairweather-Tait, Tatiana Christides
Background : Iron deficiency is a public health problem in many low- and middle-income countries. Introduction of agro-industrial food by-products, as additional source of nutrients, could help alleviate this micronutrient deficiency, provide alternative sources of nutrients and calories in developed countries, and be a partial solution for disposal of agro-industry by-products. Methods : The aim of this study was to determine iron bioavailability of 5 by-products from Brazilian agro-industry (peels from cucumber, pumpkin, and jackfruit, cupuaçu seed peel, and rice bran), using the in vitro digestion/ Caco-2 cell model; with Caco-2 cell ferritin formation as a surrogate marker of iron bioavailability...
May 16, 2018: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772225/maternal-one-carbon-metabolism-through-increased-oxidative-stress-and-disturbed-angiogenesis-can-influence-placental-apoptosis-in-preeclampsia
#14
REVIEW
Vaishali V Kasture, Deepali P Sundrani, Sadhana R Joshi
Adequate maternal nutrition is critical for a healthy pregnancy outcome and poor maternal nutrition is known to be associated with pregnancy complications like preeclampsia. We have earlier demonstrated that there is an imbalance in the levels of micronutrients (folate and vitamin B12 ) along with low levels of long chain polyunsaturated fatty acids (LCPUFA) and high homocysteine levels in women with preeclampsia. Homocysteine is known to be involved in the formation of free radicals leading to increased oxidative stress...
May 14, 2018: Life Sciences
https://www.readbyqxmd.com/read/29771123/carotenoids-experimental-ionization-energies-and-capacity-at-inhibiting-lipid-peroxidation-in-a-chemical-model-of-dietary-oxidative-stress
#15
Olivier Dangles, Pascale Goupy, Michel Carail, Alexandre Giuliani, Denis Duflot, Catherine Caris-Veyrat
Carotenoids are important natural pigments and micronutrients contributing to health prevention by several mechanisms, including their electron-donating (antioxidant) activity. In this work, a large series of carotenoids, including 11 carotenes and 14 xanthophylls, has been investigated by wavelength-resolved atmospheric pressure photoionization mass spectrometry (DISCO line of SOLEIL synchrotron), thus allowing the experimental determination of their ionization energy (IE) for the first time. On the other hand, the carotenoids have been also investigated for their ability to inhibit the heme iron-induced peroxidation of linoleic acid in mildly acidic micelles, a simple but relevant chemical model of oxidative stress in the gastric compartment...
May 17, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29770420/selenium-species-dependent-toxicity-bioavailability-and-metabolic-transformations-in-caenorhabditis-elegans
#16
Isabelle Rohn, Talke Anu Marschall, Nina Kroepfl, Kenneth Bendix Jensen, Michael Aschner, Simon Tuck, Doris Kuehnelt, Tanja Schwerdtle, Julia Bornhorst
The essential micronutrient selenium (Se) is required for various systemic functions, but its beneficial range is narrow and overexposure may result in adverse health effects. Additionally, the chemical form of the ingested selenium contributes crucially to its health effects. While small Se species play a major role in Se metabolism, their toxicological effects, bioavailability and metabolic transformations following elevated uptake are poorly understood. Utilizing the tractable invertebrate Caenorhabditis elegans allowed for an alternative approach to study species-specific characteristics of organic and inorganic Se forms in vivo, revealing remarkable species-dependent differences in the toxicity and bioavailability of selenite, selenomethionine (SeMet) and Se-methylselenocysteine (MeSeCys)...
May 17, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29768221/optimised-synthesis-of-zno-nano-fertiliser-through-green-chemistry-boosted-growth-dynamics-of-economically-important-l-esculentum
#17
Nyla Jabeen, Qaisar Maqbool, Tahira Bibi, Mudassar Nazar, Syed Z Hussain, Talib Hussain, Tariq Jan, Ishaq Ahmad, Malik Maaza, Sadaf Anwaar
Mounting-up economic losses to annual crops yield due to micronutrient deficiency, fertiliser inefficiency and increasing microbial invasions (e.g. Xanthomonas cempestri attack on tomatoes) are needed to be solved via nano-biotechnology. So keeping this in view, the authors' current study presents the new horizon in the field of nano-fertiliser with highly nutritive and preservative effect of green fabricated zinc oxide-nanostructures (ZnO-NSs) during Lycopersicum esculentum (tomato) growth dynamics. ZnO-NS prepared via green chemistry possesses highly homogenous crystalline structures well-characterised through ultraviolet and visible spectroscopy, Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscope...
June 2018: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29767694/shorter-time-to-pregnancy-with-increasing-preconception-carotene-concentrations-among-women-with-1-to-2-previous-pregnancy-losses
#18
Keewan Kim, Enrique F Schisterman, Robert M Silver, Brian D Wilcox, Anne M Lynch, Neil J Perkins, Richard W Browne, Laurie L Lesher, Joseph B Stanford, Aijun Ye, Jean Wactawski-Wende, Sunni L Mumford
Although maternal nutrition may impact fecundity, associations between preconception micronutrients and time to pregnancy (TTP) has not been examined. We assessed the relationship between preconception fat-soluble micronutrient concentrations and TTP among women with 1-2 prior pregnancy losses. This is a prospective cohort study of 1,228 women set in the EAGeR Trial (US, 2007-2011), which assessed the effect of preconception-initiated daily low dose aspirin on reproductive outcomes. We measured preconception zeaxanthin, cryptoxanthin, lycopene, α- and β-carotene, and α- and γ-tocopherol in serum...
May 14, 2018: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29767675/a-comparison-of-methods-for-adjusting-biomarkers-of-iron-zinc-and-selenium-status-for-the-effect-of-inflammation-in-an-older-population-a-case-for-interleukin-6
#19
Sue O MacDonell, Jody C Miller, Michelle J Harper, Malcolm R Reid, Jillian J Haszard, Rosalind S Gibson, Lisa A Houghton
Background: Older people are at risk of micronutrient deficiencies, which can be under- or overestimated in the presence of inflammation. Several methods have been proposed to adjust for the effect of inflammation; however, to our knowledge, none have been investigated in older adults in whom chronic inflammation is common. Objective: We investigated the influence of various inflammation-adjustment methods on micronutrient biomarkers associated with anemia in older people living in aged-care facilities in New Zealand...
May 14, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29765171/risks-and-protective-factors-for-triple-negative-breast-cancer-with-a-focus-on-micronutrients-and-infections
#20
Dagmar Horakova, Katerina Bouchalova, Karel Cwiertka, Ladislav Stepanek, Jana Vlckova, Helena Kollarova
Triple negative breast cancer (TNBC) is an aggressive form of breast cancer (BC) with a poor prognosis. Second, patients cannot benefit from targeted therapy, except for those with BRCA1/2 mutations, for whom poly (ADP-ribose) polymerase (PARP) inhibition therapy using olaparib has recently been approved. As global priorities continue to be epidemiological analysis of BC risk factors and early diagnosis, this review focuses on the risks and protective factors associated with TNBC. A PubMed keyword search for new knowledge on the risks and protective factors for TNBC was carried out...
May 15, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
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