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https://www.readbyqxmd.com/read/28527399/the-effects-of-melamine-with-or-without-cyanuric-acid-on-immune-function-in-ovalbumin-sensitized-mice
#1
Rong H Yin, Qiao Dong, Hua S Li, Jing Yuan, Xi T Li, Rong L Yin, Wen Li, Wen C Wang, Bao S Liu, Xiao H Han, Ren F Wang, Xin Wang, Wen L Bai
Melamine is commonly used in the chemical industry, and it has been found to exist on food processing equipment and utensils. Previous investigations suggested that melamine alone or its combination with cyanuric acid appears to be toxic to immune system in animals. The objective of this study is to investigate the potential effects of melamine with or without cyanuric acid on immune function in ovalbumin- sensitized mice. Our data indicated that melamine-related administration caused a significant decreasing in the content of IL-4 in mice in comparison to negative control group...
May 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28526385/prevalence-of-skeletal-muscle-mass-loss-and-its-association-with-swallowing-function-after-cardiovascular-surgery
#2
Hidetaka Wakabayashi, Rimiko Takahashi, Naoko Watanabe, Hideyuki Oritsu, Yoshitaka Shimizu
OBJECTIVE: The aim of this study was to assess the prevalence of skeletal muscle mass loss and its association with swallowing function in patients with dysphagia after cardiovascular surgery. METHODS: A retrospective cohort study was performed in 65 consecutive patients with dysphagia after cardiovascular surgery who were prescribed speech therapy. Skeletal muscle index (SMI) was calculated as total psoas muscle area assessed via abdominal computed tomography divided by height squared...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28526320/mercury-exposure-induces-cytoskeleton-disruption-and-loss-of-renal-function-through-epigenetic-modulation-of-mmp9-expression
#3
Hafizurrahman Khan, Radha Dutt Singh, Ratnakar Tiwari, Siddhartha Gangopadhyay, Somendu Kumar Roy, Dhirendra Singh, Vikas Srivastava
Mercury is one of the major heavy metal pollutants occurring in elemental, inorganic and organic forms. Due to ban on most inorganic mercury containing products, human exposure to mercury generally occurs as methylmercury (MeHg) by consumption of contaminated fish and other sea food. Animal and epidemiological studies indicate that MeHg affects neural and renal function. Our study is focused on nephrotoxic potential of MeHg. In this study, we have shown for the first time how MeHg could epigenetically modulate matrix metalloproteinase 9(MMP9) to promote nephrotoxicity using an animal model of sub chronic MeHg exposure...
May 16, 2017: Toxicology
https://www.readbyqxmd.com/read/28526231/exposures-to-endocrine-disrupting-chemicals-in-consumer-products-a-guide-for-pediatricians
#4
Katelyn H Wong, Timur S Durrani
Endocrine disrupting chemicals, a group of exogenous chemicals that can interfere with hormone action in the body, have been implicated in disrupting endocrine function, which negatively affects human health and development. Endocrine disrupting chemicals are ubiquitously detected in consumer products, foods, beverages, personal care products, and household cleaning products. Due to concerns about their negative effects on human health, several professional health provider societies have recommended the reduction of common endocrine disrupting chemical exposures...
May 16, 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/28526115/different-life-cycle-strategies-of-the-dinoflagellates-fragilidium-duplocampanaeforme-and-its-prey-dinophysis-acuminata-may-explain-their-different-susceptibilities-to-the-infection-by-the-parasite-parvilucifera-infectans
#5
Bora Lee, Myung Gil Park
Some marine dinoflagellates form ecdysal cyst (=temporary cysts) as part of their life cycle or under unfavorable growth conditions. Whether the dinoflagellates form ecdysal cysts or not may influence susceptibility to parasitism. In this study, parasite prevalence relative to inoculum size of the parasitoid Parvilucifera infectans zoospores for two dinoflagellate hosts (i.e., Fragilidium duplocampanaeforme and Dinophysis acuminata), which have different life cycle strategies, was examined. Further, susceptibility of cysts to parasitism, encystment signal, duration of encystments, and effects of induced encystment on diel periodicity, using ecdysal cyst-forming F...
May 2017: Harmful Algae
https://www.readbyqxmd.com/read/28525595/gut-transcriptome-analysis-shows-different-food-utilization-efficiency-by-the-grasshopper-oedaleous-asiaticus-orthoptera-acrididae
#6
Xunbing Huang, Mark Richard McNeill, Jingchuan Ma, Xinghu Qin, Xiongbing Tu, Guangchun Cao, Guangjun Wang, Xiangqun Nong, Zehua Zhang
Oedaleus asiaticus B. Bienko is a persistent pest occurring in north Asian grasslands. We found that O. asiaticus feeding on Stipa krylovii Roshev. had higher approximate digestibility (AD), efficiency of conversion of ingested food (ECI), and efficiency of conversion of digested food (ECD), compared with cohorts feeding on Leymus chinensis (Trin.) Tzvel, Artemisia frigida Willd., or Cleistogenes squarrosa (Trin.) Keng. Although this indicated high food utilization efficiency for S. krylovii, the physiological processes and molecular mechanisms underlying these biological observations are not well understood...
May 19, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28524625/mrna-decay-an-adaptation-tool-for-the-environmental-fungal-pathogen-cryptococcus-neoformans
#7
REVIEW
Amanda L M Bloom, Jay Leipheimer, John C Panepinto
Fungi are ubiquitous in the environment and humans constantly encounter them in the soil, air, water, and food. The vast majority of these interactions are inconsequential. However, in the context of immunodeficiency precipitated by HIV infection, hematologic malignancy, or transplantation, a small subset of fungi can cause devastating, systemic infection. The most deadly of the opportunistic environmental fungi, Cryptococcus neoformans, is estimated to cause hundreds of thousands of deaths per year, mostly in the context of HIV co-infection...
May 19, 2017: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/28524540/antineoplastic-effects-of-clove-buds-syzygium-aromaticum-l-in-the-model-of-breast-carcinoma
#8
Peter Kubatka, Sona Uramova, Martin Kello, Karol Kajo, Peter Kruzliak, Jan Mojzis, Desanka Vybohova, Marian Adamkov, Karina Jasek, Zora Lasabova, Pavol Zubor, Silvia Fialova, Svetlana Dokupilova, Peter Solar, Martin Pec, Katarina Adamicova, Jan Danko, Mariusz Adamek, Dietrich Busselberg
It is supposed that plant functional foods, rich in phytochemicals, may potentially have preventive effects in carcinogenesis. In this study, the anticancer effects of cloves in the in vivo and in vitro mammary carcinoma model were assessed. Dried flower buds of cloves (CLOs) were used at two concentrations of 0.1% and 1% through diet during 13 weeks after the application of chemocarcinogen. After autopsy, histopathological and immunohistochemical analyses of rat mammary carcinomas were performed. Moreover, in vitro evaluation using MCF-7 cells was carried out...
May 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28524364/biofunctional-microgel-based-fertilizers-for-controlled-foliar-delivery-of-nutrients-to-plants
#9
Richard A Meurer, Steffen Kemper, Sandra Knopp, Thomas Eichert, Felix Jakob, Heiner E Goldbach, Ulrich Schwaneberg, Andrij Pich
Foliar application of micronutrients (e.g. Fe(3+) ) onto plants over an extended time is challenging and often not possible due to insufficient rainfastness. Smart delivery systems which enable micronutrient release over several weeks would offer innovative and sustainable options to improve plant health and food production. Herein, we report a novel foliar fertilizer delivery system based on functional pH-responsive biohybrid microgels that have orthogonal functionality as carriers of micronutrients and employ peptides (termed anchor peptides) as foliar adhesion promoters...
May 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28524107/inorganic-macro-and-micronutrients-in-superberries-black-chokeberries-aronia-melanocarpa-and-related-teas
#10
Iva Juranović Cindrić, Michaela Zeiner, Darija Mihajlov-Konanov, Gerhard Stingeder
Black chokeberries (Aronia melanocarpa) are considered to be functional food containing high amounts of anthocyanins, phenols, antioxidants, vitamins and minerals. Whereas organic compounds are well studied, there is little research on the mineral composition of the chokeberries. Thus, the presented study is focused on the determination of Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, Pb, Se, Sr and Zn in black chokeberry fruits and infusions to study the metals' extractability. The nutrients Ca, K and Mg are present in the fruits (dried matter) at g/kg level, whereas the other elements are present from µg/kg up to mg/kg level...
May 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28523827/statistical-model-based-hplc-analytical-method-adjustment-strategy-to-adapt-to-different-sets-of-analytes-in-complicated-samples
#11
Binjun Yan, Xue Bai, Yunjie Sheng, Fanzhu Li
INTRODUCTION: On account of the complicated compositions of the products like traditional Chinese medicines (TCMs) and functional foods, it is a common practice to determine different sets of analytes in the same product for different purposes. OBJECTIVE: To efficiently develop the corresponding HPLC methods, a statistical model based analytical method adjustment (SMB-AMA) strategy was proposed. METHODS: In this strategy, the HPLC data acquired with design of experiments methodology were efficiently utilised to build the retention models for all the analytes and interferences shown in the chromatograms with multivariate statistical modelling methods...
May 19, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28522999/fermentation-ph-modulates-the-size-distributions-and-functional-properties-of-gluconobacter-albidus-tmw-2-1191-levan
#12
Tharalinee Ua-Arak, Frank Jakob, Rudi F Vogel
Bacterial levan has gained an increasing interest over the last decades due to its unique characteristics and multiple possible applications. Levan and other exopolysaccharides (EPSs) production are usually optimized to obtain the highest concentration or yield while a possible change of the molecular size and mass during the production process is mostly neglected. In this study, the molar mass and radius of levan samples were monitored during fermentations with the food-grade, levan-producing acetic acid bacterium Gluconobacter (G...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28522825/integrated-trophic-position-decreases-in-more-diverse-communities-of-stream-food-webs
#13
Naoto F Ishikawa, Yoshito Chikaraishi, Naohiko Ohkouchi, Aya R Murakami, Ichiro Tayasu, Hiroyuki Togashi, Jun-Ichi Okano, Yoichiro Sakai, Tomoya Iwata, Michio Kondoh, Noboru Okuda
The relationship between biodiversity and ecosystem functioning is an important theme in environmental sciences. We propose a new index for configuration of the biomass pyramid in an ecosystem, named integrated trophic position (iTP). The iTP is defined as a sum of trophic positions (i.e. the average number of steps involved in biomass transfer) of all the animals in a food web integrated by their individual biomass. The observed iTP for stream macroinvertebrates ranged from 2.39 to 2.79 and was negatively correlated with the species density and the Shannon-Wiener diversity index of the local community...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522417/physiological-responses-of-insects-to-microbial-fermentation-products-insights-from-the-interactions-between-drosophila-and-acetic-acid
#14
Geonho Kim, Jia Hsin Huang, John G McMullen, Peter D Newell, Angela E Douglas
Acetic acid is a fermentation product of many microorganisms, including some that inhabit the food and guts of Drosophila. Here, we investigated the effect of dietary acetic acid on oviposition and larval performance of Drosophila. At all concentrations tested (0.34-3.4%), acetic acid promoted egg deposition by mated females in no-choice assays; and females preferred to oviposit on diet with acetic acid relative to acetic acid-free diet. However, acetic acid depressed larval performance, particularly extending the development time of both larvae colonized with the bacterium Acetobacter pomorum and axenic (microbe-free) larvae...
May 15, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28522003/lactobacillus-plantarum-cidca-8327-an-%C3%AE-glucan-producing-strain-isolated-from-kefir-grains
#15
M V Gangoiti, A I Puertas, M F Hamet, P J Peruzzo, M G Llamas, M Medrano, A Prieto, M T Dueñas, A G Abraham
Lactobacillus plantarum CIDCA 8327 is an exopolysaccharide (EPS)-producer strain isolated from kefir with promising properties for the development of functional foods. The aim of the present study was to characterize the structure of the EPS synthesized by this strain grown in skim milk or semidefined medium (SDM). Additionally, genes involved in EPS synthesis were detected by PCR. L. plantarum produces an EPS with a molecular weight of 10(4)Da in both media. When grown in SDM produce an heteropolysaccharide composed mainly of glucose, glucosamine and rhamnose meanwhile the EPS produced in milk was composed exclusively of glucose indicating the influence of the sugar source...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28521988/enhanced-solubility-and-antioxidant-activity-of-chlorogenic-acid-chitosan-conjugates-due-to-the-conjugation-of-chitosan-with-chlorogenic-acid
#16
Liyun Rui, Minhao Xie, Bing Hu, Li Zhou, Muhammad Saeeduddin, Xiaoxiong Zeng
Chlorogenic acid-chitosan conjugate was synthesized by introducing of chlorogenic acid onto chitosan with the aid of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and hydroxybenzotriazole. The data of UV-vis, FT-IR and NMR for chlorogenic acid-chitosan conjugates demonstrated the successful conjugation of chlorogenic acid with chitosan. Compared to chitosan, chlorogenic acid-chitosan conjugates exhibited increased solubility in distilled water, 1% acetic acid solution (v/v) or 50% ethanol solution (v/v) containing 0...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28521987/coffee-grounds-as-filler-for-pectin-green-composites-with-competitive-performances-dependent-on-the-uv-irradiation
#17
Vincenzo Alessandro Cataldo, Giuseppe Cavallaro, Giuseppe Lazzara, Stefana Milioto, Filippo Parisi
Novel composite bioplastics were successfully prepared by filling pectin matrix with treated coffee grounds. The amount of coffee dispersed into the pectin was changed within a wide filler range. The morphology of the pectin/coffee hybrid films was studied by microscopic techniques in order to investigate their mesoscopic structure as well as the sizes distribution of the particles dispersed into the matrix. The micrographs showed that the coffee grounds are uniformly dispersed within the polymeric matrix. The morphological characteristics of the biocomposite films were correlated to their properties, such as wettability, water uptake, thermal behavior and mechanical performances...
August 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28521755/high-dietary-quality-of-non-toxic-cyanobacteria-for-a-benthic-grazer-and-its-implications-for-the-control-of-cyanobacterial-biofilms
#18
Sophie Groendahl, Patrick Fink
BACKGROUND: Mass occurrences of cyanobacteria frequently cause detrimental effects to the functioning of aquatic ecosystems. Consequently, attempts haven been made to control cyanobacterial blooms through naturally co-occurring herbivores. Control of cyanobacteria through herbivores often appears to be constrained by their low dietary quality, rather than by the possession of toxins, as also non-toxic cyanobacteria are hardly consumed by many herbivores. It was thus hypothesized that the consumption of non-toxic cyanobacteria may be improved when complemented with other high quality prey...
May 18, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28521681/effects-of-diets-on-adipose-tissue
#19
Silvia Ezquerro, Amaia Rodríguez, Piero Portincasa, Gema Frühbeck
Obesity is a major health problem that has become a global epidemic. Overweight and obesity are commonly associated with the development of several pathologies, such as insulin resistance, cardiovascular diseases, sleep apnea and several types of cancer, which can lead to further morbidity and mortality. An increased abdominal adiposity renders overweight and obese individuals more prone to metabolic and cardiovascular problems. In this sense, excess adiposity leads to several changes in the biology, morphology and function of the adipose tissue, such as adipocyte hypertrophy and hyperplasia, adipose tissue inflammation and fibrosis and an impaired secretion of adipokines, contributing to the onset of obesity-related co-morbidities...
May 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28521318/breastfeeding-childhood-asthma-and-allergic-disease
#20
Wendy H Oddy
The worldwide prevalence of childhood asthma has been increasing considerably, and the protection afforded by breastfeeding in its development has been the subject of controversy for more than 80 years. Previous systematic reviews have generally found a protective effect of breastfeeding on allergic outcomes, although many studies have methodological limitations. Although breastfeeding is protective against lower respiratory tract infection during infancy, such protection has not been demonstrated for asthma in all studies...
2017: Annals of Nutrition & Metabolism
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