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https://www.readbyqxmd.com/read/28335378/bioavailability-of-microencapsulated-iron-from-fortified-bread-assessed-using-piglet-model
#1
Malgorzata A Bryszewska, Luca Laghi, Augusta Zannoni, Andrea Gianotti, Francesca Barone, Danielle L Taneyo Saa, Maria L Bacci, Domenico Ventrella, Monica Forni
The aim of this study was to investigate the influence of oral iron supplementation, in the form of fortified breads, on the growth performance, health, iron status parameters, and fecal metabolome of anemic piglets. A study was conducted on 24 hybrid (Large White × Landrace × Duroc) piglets. From day 44, the post-natal 12 piglets were supplemented with 100 g of one of two experimental breads, each fortified with 21 mg of ferrous sulphate, either encapsulated or not. After one week of oral supplementation, hematological parameters (hematocrit value, hemoglobin, and red blood cells) showed statistically significant differences (p ≤ 0...
March 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28334508/dietary-fatty-acids-influence-sperm-quality-and-function
#2
A Ferramosca, N Moscatelli, M Di Giacomo, V Zara
Recently, obesity has been linked to male infertility. In animal models the administration of a high-fat diet caused a reduction in sperm quality, by impairing gamete energy metabolism. The aim of this study was to investigate a possible effect of dietary fatty acids supplementation in the modulation of sperm energy metabolism and, in turn, in the improvement of sperm quality in rats fed a high-fat diet. Sexually mature male Sprague-Dawley rats were divided into four groups and fed for 4 weeks a standard diet (control group), a high-fat diet (enriched in 35% of fat and 15% sucrose), a high-fat diet supplemented with 2...
March 23, 2017: Andrology
https://www.readbyqxmd.com/read/28333380/smooth-muscle-ion-channels-and-regulation-of-vascular-tone-in-resistance-arteries-and-arterioles
#3
Nathan R Tykocki, Erika M Boerman, William F Jackson
Vascular tone of resistance arteries and arterioles determines peripheral vascular resistance, contributing to the regulation of blood pressure and blood flow to, and within the body's tissues and organs. Ion channels in the plasma membrane and endoplasmic reticulum of vascular smooth muscle cells (SMCs) in these blood vessels importantly contribute to the regulation of intracellular Ca2+ concentration, the primary determinant of SMC contractile activity and vascular tone. Ion channels provide the main source of activator Ca2+ that determines vascular tone, and strongly contribute to setting and regulating membrane potential, which, in turn, regulates the open-state-probability of voltage gated Ca2+ channels (VGCCs), the primary source of Ca2+ in resistance artery and arteriolar SMCs...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28333089/south-asian-ethnicity-is-related-to-the-highest-risk-of-vitamin-b12-deficiency-in-pregnant-canadian-women
#4
Marta Jeruszka-Bielak, Carly Isman, Theresa H Schroder, Wangyang Li, Tim J Green, Yvonne Lamers
Vitamin B12 (B12) adequacy during pregnancy is crucial for maternal health and optimal fetal development; however, suboptimal B12 status has been reported in pregnant Canadian women. Methylmalonic acid (MMA) is a sensitive indicator of B12 status. Since few studies have measured MMA during pregnancy in Canadian women, the objective of this study was to evaluate B12 status in pregnant women living in Metro Vancouver, using both plasma total B12 and MMA. We recruited a convenience sample of 320 pregnant women between 20 and 35 gestational weeks from local healthcare facilities...
March 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28332621/evolution-analysis-of-euv-radiation-from-laser-produced-tin-plasmas-based-on-a-radiation-hydrodynamics-model
#5
M G Su, Q Min, S Q Cao, D X Sun, P Hayden, G O'Sullivan, C Z Dong
One of fundamental aims of extreme ultraviolet (EUV) lithography is to maximize brightness or conversion efficiency of laser energy to radiation at specific wavelengths from laser produced plasmas (LPPs) of specific elements for matching to available multilayer optical systems. Tin LPPs have been chosen for operation at a wavelength of 13.5 nm. For an investigation of EUV radiation of laser-produced tin plasmas, it is crucial to study the related atomic processes and their evolution so as to reliably predict the optimum plasma and experimental conditions...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332176/a-naphthoquinone-from-sinningia-canescens-inhibits-inflammation-and-fever-in-mice
#6
Luís A Lomba, Paulo H Vogt, Victor E P Souza, Mariane C G Leite-Avalca, Maria H Verdan, Maria Elida A Stefanello, Aleksander R Zampronio
We previously showed that plants from the genus Sinningia are a source of antiinflammatory and analgesic compounds with different mechanisms of action. The present study evaluated the antiinflammatory, antinociceptive, and antipyretic effects of a crude extract (CE) from Sinningia canescens, its fractions, and 6-methoxy-7-hydroxy-α-dunnione (MHD) in mice. These effects were evaluated using carrageenan (Cg)-induced paw edema, acetic acid- and formalin-induced nociception, mechanical hyperalgesia, lipopolysaccharide (LPS)-induced fever, and plasma cytokine levels...
March 22, 2017: Inflammation
https://www.readbyqxmd.com/read/28332020/temperature-effects-on-the-activity-shape-and-storage-of-platelets-from-13-lined-ground-squirrels
#7
Scott Cooper, Sarah Lloyd, Anthony Koch, Xingxing Lin, Katie Dobbs, Thomas Theisen, Matt Zuberbuehler, Kaley Bernhardt, Michael Gyorfi, Tanner Tenpas, Skyler Hying, Sarah Mortimer, Christine Lamont, Marcus Lehmann, Keith Neeves
The objective of this study is to determine how a hibernating mammal avoids the formation of blood clots under periods of low blood flow. A microfluidic vascular injury model was performed to differentiate the effects of temperature and shear rate on platelet adhesion to collagen. Human and ground squirrel whole blood was incubated at 15 or 37 °C and then passed through a microfluidic chamber over a 250-µm strip of type I fibrillar collagen at that temperature and the shear rates of 50 or 300 s(-1) to simulate torpid and aroused conditions, respectively...
March 23, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28329934/-hiv-infection-and-associated-factors-in-hiv-antibody-positive-clients-of-female-sex-workers-recently-reported-in-shaanxi-province
#8
T Hu, W H Chang, M Y Zhang
Objective: To investigate the current status of HIV infection and the related factors in HIV antibody positive clients of female sex workers (FSWs) recently reported in Shaanxi province. Methods: The HIV/AIDS cases newly diagnosed in males living in Shaanxi from January 1th of 2013 to June 30th of 2014 were selected and those infected through " commercial heterosexual behavior" were identified. The information about their demographic characteristics, previous unprotected heterosexual sex and the sample sources were collected, and serum or plasma samples were collected from them and tested with BED-CEIA...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28325022/comparing-glucose-and-insulin-data-from-the-two-hour-oral-glucose-tolerance-test-in-metabolic-syndrome-subjects-and-marathon-runners
#9
Miguel Altuve, Gilberto Perpinan, Erika Severeyn, Sara Wong
Glucose is the main energy source of the body's cells and is essential for normal metabolism. Two pancreatic hormones, insulin and glucagon, are involved in glucose home-ostasis. Alteration in the plasma glucose and insulin concentrations could lead to distinct symptoms and diseases, ranging from mental function impairment to coma and even death. Type 2 diabetes, insulin resistance and metabolic syndrome are typical examples of abnormal glucose metabolism that increase the risk for cardiovascular disease and mortality...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28321502/molecularly-imprinted-polymers-as-selective-adsorbents-for-ambient-plasma-mass-spectrometry
#10
Michał Cegłowski, Marek Smoluch, Edward Reszke, Jerzy Silberring, Grzegorz Schroeder
The application of molecularly imprinted polymers (MIPs) as molecular scavengers for ambient plasma ionization mass spectrometry has been reported for the first time. MIPs were synthesized using methacrylic acid as functional monomer; nicotine, propyphenazone, or methylparaben as templates; ethylene glycol dimethacrylate as a cross-linker; and 2,2'-azobisisobutyronitrile as polymerization initiator. To perform ambient plasma ionization experiments, a setup consisting of the heated crucible, a flowing atmospheric-pressure afterglow (FAPA) plasma ion source, and a quadrupole ion trap mass spectrometer has been used...
March 20, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28321425/adult-cells-combined-with-platelet-rich-plasma-for-tendon-healing-cell-source-options
#11
Eva Rubio-Azpeitia, Pello Sánchez, Diego Delgado, Isabel Andia
BACKGROUND: The combination of cells with platelet-rich plasma (PRP) may fulfill tendon deficits and help overcome the limited ability of tendons to heal. PURPOSE: To examine the suitability of 3 human cell types in combination with PRP and the potential impact of the tenocyte-conditioned media (CM) to enhance tendon healing. STUDY DESIGN: Controlled laboratory study. METHODS: Tenocytes, bone marrow-derived mesenchymal stem cells, and skin fibroblasts were cultured in 3-dimensional PRP hydrogels supplemented or not with CM, and cell proliferation and migration were examined...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28320821/pavement-cell-chloroplast-behaviour-and-interactions-with-other-organelles-in-arabidopsis-thaliana
#12
Kiah A Barton, Michael R Wozny, Neeta Mathur, Erica-Ashley Jaipargas, Jaideep Mathur
Chloroplasts are a characteristic feature of green plants. Mesophyll cells possess the majority of chloroplasts and it is widely believed that with the exception of guard cells, the epidermal layer in most higher plants does not contain chloroplasts. However, recent observations on Arabidopsis have shown a population of chloroplasts in pavement cells that are smaller than mesophyll chloroplasts and have a high stroma to grana ratio. Here using stable transgenic lines expressing fluorescent proteins targeted to the plastid stroma, plasma membrane, endoplasmic reticulum, tonoplast, nucleus, mitochondria, peroxisomes, F-actin and microtubules we characterize the spatiotemporal relationships between the pavement cell chloroplasts (PCC) and their subcellular environment...
March 20, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28319644/the-retinal-relaxing-factor-update-on-an-enigmatic-regulator-of-the-retinal-circulation
#13
Laura Vanden Daele, Charlotte Boydens, Bart Pauwels, Johan Van de Voorde
The retinal circulation is regulated by different local factors and might include the retinal relaxing factor (RRF). This factor is found to be continuously released by the retina and relaxes smooth muscle cells. This review describes the current knowledge about the RRF. Despite many research efforts, the cellular source, identity, mechanism, and physiological role of the RRF remain largely unknown. Thus far, it seems that the RRF is a hydrophilic, thermostable, diffusible chemical messenger, which characteristics do not correspond with most well-known endogenous vasorelaxants...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28318464/effects-of-a-dietary-crude-fibre-concentrate-on-growth-in-weaned-piglets
#14
P Superchi, R Saleri, P Borghetti, G Ferrarini, V Cavalli, M Sereni, S Zavattini, A Sabbioni
Many fibre sources can help the adaptation of piglets at weaning, improving the growth. In this study, the effects of a dietary crude fibre concentrate (CFC) on piglet's growth was investigated. From 31 to 51 days of age, 108 weaned piglets (D×(Lw×L)), had access to two isofibrous, isoenergetic and isonitrogenous diets, supplemented with 1% of CFC (CFC group) or not (control (CON) group). From days 52 to 64 all piglets received the same starter diet. During the dietary treatment period the CFC group showed higher average daily gain, average daily feed intake and feed efficiency (P<0...
March 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28317379/optical-emission-from-c2-anions-in-microwave-activated-ch4-h2-plasmas-for-chemical-vapour-deposition-of-diamond
#15
Edward Mahoney, Benjamin S Truscott, Michael N R Ashfold, Yuri A Mankelevich
Visible emission from C2-(B2Σu+) anions has been identified underlying the much stronger Swan band emission from neutral C2(d3Πg) radicals (henceforth C2-* and C2*, respectively) in MW-activated C/H/(Ar) plasmas operating under conditions appropriate for the chemical vapour deposition (CVD) of diamond. Spatially resolved measurements of the C2-* and C2* emissions as functions of the C/H/(Ar) ratio in the input gas mixture, the total pressure, and the applied MW power, together with complementary 2-D(r, z) plasma modelling, identifies dissociative electron attachment (DEA) to C2H radicals in the hot plasma as the dominant source of the observed C2-* emission...
March 20, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28316048/toxic-elements-and-bio-metals-in-cantharellus-mushrooms-from-poland-and-china
#16
Jerzy Falandysz, Maria Chudzińska, Danuta Barałkiewicz, Małgorzata Drewnowska, Anetta Hanć
Data on multi-trace element composition and content relationships have been obtained for Cantharellus cibarius, C. tubaeformis, and C. minor mushrooms from Poland and China by inductive coupled plasma-dynamic reaction cell-mass spectroscopy. There is no previous data published on As, Li, V, Tl, and U in chanterelles from Poland and on Ba, Co, Cr, Ni, Rb, and Sr in chanterelles from China. The results implied a role of the soil background geochemistry at the collection site with the occurrence of Ag, As, Ba, Cr, Cs, Li, Mn, Pb, Rb, Sr, U, and V in the fruiting bodies...
March 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28315952/kinetic-analysis-size-profiling-and-bioenergetic-association-of-dna-released-by-selected-cell-lines-in-vitro
#17
Janine Aucamp, Abel J Bronkhorst, Dimetrie L Peters, Hayley C Van Dyk, Francois H Van der Westhuizen, Piet J Pretorius
Although circulating DNA (cirDNA) analysis shows great promise as a screening tool for a wide range of pathologies, numerous stumbling blocks hinder the rapid translation of research to clinical practice. This is related directly to the inherent complexity of the in vivo setting, wherein the influence of complex systems of interconnected cellular responses and putative DNA sources creates a seemingly arbitrary representation of the quantitative and qualitative properties of the cirDNA in the blood of any individual...
March 18, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28314475/pharmacokinetic-based-study-on-lagged-stimulation-of-curcumae-longae-rhizoma-piper-nigrum-couplet-in-their-main-active-components-metabolism-using-uplc-ms-ms
#18
Zhao Chen, Dongmei Sun, Xiaoli Bi, Xiaohui Zeng, Wenhui Luo, Dake Cai, Qiaohuang Zeng, Aili Xu
BACKGROUND: Curcumae Longae Rhizoma is one of the commonly used traditional Chinese medicines, which has multiple biological activities such as relieving stagnation and stasis, pain alleviation, curing amenorrhea and wounds. However, its main active component-curcumin has poor absorption and very fast metabolism in body. To solve this problem, Piper nigrum was introduced for its ability to strengthen bioavailability of other compounds. PURPOSE: In most cases of TCM couplets, all ingredients were prepared and taken simultaneously, which in our opinion did not take full advantage of their interactions...
April 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28314182/biosynthesis-of-polyphenol-stabilised-nanoparticles-and-assessment-of-anti-diabetic-activity
#19
Yuanyuan Li, Jiaqiang Zhang, Jiangning Gu, Shi Chen, Chen Wang, Weiping Jia
Green synthesis of nanoparticles (NPs) is a major developing field. In this study, we utilised Whitania somnifera leaves as a green source to synthesise platinum (Pt) NPs. Synthesised Pt NPs resulted from controlled synthesis of 12nm spherical particles. The synthesised Pt NPs were subjected to anti-diabetic applications resulting in a significant decrease in plasma glucose levels after injecting the Pt NPs into streptozotocin-induced diabetic rats.
February 24, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28306542/biomonitoring-of-danish-school-children-and-mothers-including-biomarkers-of-pbde-and-glyphosate
#20
Lisbeth E Knudsen, Pernille Winton Hansen, Seher Mizrak, Heidi K Hansen, Thit A Mørck, Flemming Nielsen, Volkert Siersma, Line Mathiesen
BACKGROUND: The Danish part of the large European Human biomonitoring pilot project Demonstration of a study to Coordinate and Perform Human biomonitoring on a European Scale (DEMOCOPHES) investigated the urine, hair and blood concentrations of 66 different environmental chemicals in a group of 145 Danish school children aged 6-11 years and their mothers from rural and urban areas in autumn 2011. Some - but not all - results were published; however, the concurrence of the chemicals has not been assessed...
March 17, 2017: Reviews on Environmental Health
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