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https://www.readbyqxmd.com/read/28742814/wetlands-wild-bovidae-species-richness-and-sheep-density-delineate-risk-of-rift-valley-fever-outbreaks-in-the-african-continent-and-arabian-peninsula
#1
Michael G Walsh, Allard Willem de Smalen, Siobhan M Mor
Rift Valley fever (RVF) is an emerging, vector-borne viral zoonosis that has significantly impacted public health, livestock health and production, and food security over the last three decades across large regions of the African continent and the Arabian Peninsula. The potential for expansion of RVF outbreaks within and beyond the range of previous occurrence is unknown. Despite many large national and international epidemics, the landscape epidemiology of RVF remains obscure, particularly with respect to the ecological roles of wildlife reservoirs and surface water features...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28742813/taste-preference-changes-throughout-different-life-stages-in-male-rats
#2
Chizuko Inui-Yamamoto, Takashi Yamamoto, Katsura Ueda, Michiko Nakatsuka, Shunji Kumabe, Tadashi Inui, Yasutomo Iwai
Taste preference, a key component of food choice, changes with aging. However, it remains unclear how this occurs. To determine differences in taste preference between rats in different life stages, we examined the consumption of taste solutions and water using a two-bottle test. Male Sprague-Dawley rats of different ages were used: juvenile (3-6 weeks), young adult (8-11 weeks), adult (17-20 weeks), middle-aged (34-37 weeks), and old-aged (69-72 weeks). The intakes of the high and low concentration solutions presented simultaneously were measured...
2017: PloS One
https://www.readbyqxmd.com/read/28742460/resistance-genes-in-global-crop-breeding-networks
#3
Karen A Garrett, Kelsey F Andersen, Frank Asche, Robert Bowden, Greg Forbes, Peter Kulakow, Bo Zhou
Resistance genes are a major tool for managing crop diseases. The networks of crop breeders who exchange resistance genes and deploy them in varieties help to determine the global landscape of resistance and epidemics, an important system for maintaining food security. These networks function as a complex adaptive system, with associated strengths and vulnerabilities, and implications for policies to support resistance gene deployment strategies. Extensions of epidemic network analysis can be used to evaluate the multilayer agricultural networks that support and influence crop breeding networks...
July 25, 2017: Phytopathology
https://www.readbyqxmd.com/read/28742334/health-effects-of-dietary-oxidized-tyrosine-and-dityrosine-administration-in-mice-with-nutrimetabolomic-strategies
#4
Yuhui Yang, Hui Zhang, Biao Yan, Tianyu Zhang, Ying Gao, Yonghui Shi, Guowei Le
This study aims to investigate the health effects of long-term dietary oxidized tyrosine (O-Tyr) and its main product (dityrosine) administration on mice metabolism. Mice received daily intragastric administration of either O-Tyr (320 μg/kg body weight), dityrosine (Dityr, 320 μg/kg body weight) or saline for consecutive six weeks. Urine and plasma samples were analyzed by NMR-based metabolomics strategies. Body weight, clinical chemistry, oxidative damage indexes and histopathological data were obtained as complementary information...
July 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28741107/development-and-optimization-of-a-novel-sample-preparation-method-cored-on-functionalized-nanofibers-mat-solid-phase-extraction-for-the-simultaneous-efficient-extraction-of-illegal-anionic-and-cationic-dyes-in-foods
#5
Feifei Qi, Ningge Jian, Liangliang Qian, Weixin Cao, Qian Xu, Jian Li
A simple and efficient three-step sample preparation method was developed and optimized for the simultaneous analysis of illegal anionic and cationic dyes (acid orange 7, metanil yellow, auramine-O, and chrysoidine) in food samples. A novel solid-phase extraction (SPE) procedure based on nanofibers mat (NFsM) was proposed after solvent extraction and freeze-salting out purification. The preferred SPE sorbent was selected from five functionalized NFsMs by orthogonal experimental design, and the optimization of SPE parameters was achieved through response surface methodology (RSM) based on the Box-Behnken design (BBD)...
July 24, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28740594/opportunities-for-treatment-of-the-hepatitis-c-virus-infected-patient-with-chronic-kidney-disease
#6
REVIEW
Marco Ladino, Fernando Pedraza, David Roth
The prevalence of hepatitis C virus (HCV) infection amongst patients with chronic kidney disease (CKD) and end-stage renal disease exceeds that of the general population. In addition to predisposing to the development of cirrhosis and hepatocellular carcinoma, infection with HCV has been associated with extra-hepatic complications including CKD, proteinuria, glomerulonephritis, cryoglobulinemia, increased cardiovascular risk, insulin resistance, and lymphoma. With these associated morbidities, infection with HCV is not unexpectedly accompanied by an increase in mortality in the general population as well as in patients with kidney disease...
July 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28739053/glucomannan-consumption-elevates-colonic-alkaline-phosphatase-activity-by-up-regulating-the-expression-of-iap-i-which-is-associated-with-increased-production-of-protective-factors-for-gut-epithelial-homeostasis-in-high-fat-diet-fed-rats
#7
Yukako Okazaki, Tetsuyuki Katayama
We previously reported that consumption of glucomannan-containing food (lily bulb) modulates gut microbiota and increases gut immunoglobulin A (IgA, index of intestinal immune function), mucins (index of intestinal barrier function), and colonic alkaline phosphatase (ALP) activity in rats fed a high-fat (HF) diet. Small intestinal ALP has an established protective effect in inflammatory diseases, whereas little is known about the function of colonic ALP activity. We hypothesized that dietary glucomannan would increase colonic ALP activity and the gene expression in rats fed an HF diet...
July 2017: Nutrition Research
https://www.readbyqxmd.com/read/28738849/immune-suppression-of-igg-response-against-dairy-proteins-in-major-depression
#8
Leszek Rudzki, Dariusz Pawlak, Krystyna Pawlak, Napoleon Waszkiewicz, Aleksandra Małus, Beata Konarzewska, Mirosława Gałęcka, Anna Bartnicka, Lucyna Ostrowska, Agata Szulc
BACKGROUND: Interactions between the digestive system, brain functions and immunoglobulin G (IgG) mediated immunity against food antigens became recently a topic of growing interest in psychiatry research. Psychological stress can activate hypothalamic-pituitary-adrenal axis (HPA) with subsequent hypercortisolemia. It can also influence intestinal permeability and dynamics of IgG response. Major depression can by accompanied either by activation of inflammatory response or by immune suppression (e...
July 24, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28738753/genetic-predictors-of-celiac-disease-lactose-intolerance-and-vitamin-d-function-and-presence-of-peptide-morphins-in-urine-of-children-with-neurodevelopmental-disorders
#9
Katarina Bojović, Biljana Stanković, Nikola Kotur, Dijana Krstić-Milošević, Vladimir Gašić, Sonja Pavlović, Branka Zukić, Đurđica Ignjatović
Gastrointestinal disturbances, nutritional deficiencies, and food intolerances are frequently observed in children with neurodevelopmental disorders (NDD). To reveal possible association of celiac disease risk variants (HLA-DQ), lactose intolerance associated variant (LCT-13910C>T) as well as variant associated with vitamin D function (VDR FokI) with NDD, polymerase chain reaction-based methodology was used. Additionally, intestinal peptide permeability was estimated in NDD patients and healthy children by measuring the level of peptides in urine using high-performance liquid chromatography...
July 24, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28738717/optimization-of-simultaneous-microwave-ultrasonic-assisted-extraction-of-phenolic-compounds-from-walnut-flour-using-response-surface-methodology
#10
Yan Luo, Wanxing Wu, Dan Chen, Yuping Lin, Yage Ma, Chaoyin Chen, Shenglan Zhao
CONTEXT: Walnut is a traditional food as well as a traditional medicine recorded in the Chinese Pharmacopoeia; however, the large amounts of walnut flour (WF) generated in walnut oil production have not been well utilized. OBJECTIVE: This study maximized the total polyphenolic yield (TPY) from the walnut flour (WF) by optimizing simultaneous ultrasound/microwave-assisted hydroalcoholic extraction (SUMAE). MATERIALS AND METHODS: Response surface methodology was used to optimize the processing parameters for the TPY, including microwave power (20-140 W), ultrasonic power (75-525 W), extraction temperature (25-55 °C), and time (0...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28738305/contamination-characteristics-and-source-apportionment-of-methylated-pahs-in-agricultural-soils-from-yangtze-river-delta-china
#11
Weixiao Chen, Xinyi Wu, Haiyun Zhang, Jianteng Sun, Wenxin Liu, Lizhong Zhu, Xiangdong Li, Daniel C W Tsang, Shu Tao, Xilong Wang
Alkylated PAHs (APAHs) have been shown to be more toxic and persistent than their non-alkylated parent compounds. However, little is known about the extent of soil contamination by these pollutants. To help understand agricultural soil pollution by these compounds at a regional scale, a total of 18 methylated PAHs (MPAHs, a major class of APAHs) in 243 soil samples were analyzed. These soil samples were collected from 11 sites in the Yangtze River Delta (YRD) region, a representative fast developing area in China...
July 21, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28738269/an-anti-inflammatory-effect-of-red-microalga-polysaccharides-in-coronary-artery-endothelial-cells
#12
Oshrat Levy-Ontman, Mahmoud Huleihel, Rachel Hamias, Talya Wolak, Esther Paran
BACKGROUND AND AIMS: Polysaccharides (PSs) produced by the red microalga Porphyridium sp. were reported to exhibit anti-inflammatory bioactivities in the human skin. The primary goal of the present research was to assess whether PSs attenuate inflammatory processes by interfering with tumour necrosis factor-alpha (TNF-α)-induced inflammation, in human coronary artery endothelial cells (HCAECs). METHODS: Functional and inflammatory markers were quantified in TNF-α-stimulated HCAECs, with and without pre-treatment with PSs...
July 16, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28737815/isofraxidin-a-coumarin-component-improves-high-fat-diet-induced-hepatic-lipid-homeostasis-disorder-and-macrophage-inflammation-in-mice
#13
Jian Li, Xiaofei Li, Zhike Li, Lu Zhang, Yonggang Liu, Hong Ding, Shanye Yin
Isofraxidin (IF) is a coumarin compound produced in the functional foods Siberian ginseng and Apium graveolens. The first objective of this study was to investigate the protective effects and putative methods of IF in combating lipotoxicity in vitro and in vivo. Oleic acid was used to induce lipid turbulence in human hepatoma cells (HepG2). Alterations in triglyceride metabolism, inflammation and oxidative status were monitored. Results show that IF mainly reduced triglyceride accumulation, TNF-α release and ROS activation in metabolic disordered cells...
July 24, 2017: Food & Function
https://www.readbyqxmd.com/read/28737698/platycodon-grandiflorus-root-extract-improves-learning-and-memory-by-enhancing-synaptogenesis-in-mice-hippocampus
#14
Jin-Il Kim, Seong Gak Jeon, Kyoung Ah Kim, Jwa-Jin Kim, Eun Ji Song, Yukyoung Jeon, Eunbin Kim, Kyung Bok Lee, Jong Hwan Kwak, Minho Moon
Platycodon grandiflorus (Jacq.) A.DC. (PG) has long been used as an ingredient of foods and is known to have beneficial effects on cognitive functions as well. The present study examined the effect of each PG extract (PGE) from root, aerial part, and seeds on cognitive functions in mice. Changes in spatial learning and memory using a Y-maze test, and markers of adult hippocampal neurogenesis and synaptogenesis were examined. Moreover, changes in neuritogenesis and activation of the ERK1/2 pathway were investigated...
July 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28737582/a-nutritional-approach-for-managing-irritable-bowel-syndrome
#15
Natalie Bhesania, Gail A M Cresci
PURPOSE OF REVIEW: Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder (FGID) encountered by the pediatrician and consultant. The primary focus of this review is to provide an update on beneficial nutritional interventions for managing this patient population with discussion on gut microbiome effects. RECENT FINDINGS: A common complaint among the pediatric population is IBS-related recurrent abdominal pain. The prevalence of IBS is estimated to range between 6 and 14% and is defined by the Rome III criteria for FGIDs...
July 21, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28737454/bioactivity-of-epigallocatechin-gallate-nanoemulsions-evaluated-in-mice-model
#16
Antonios E Koutelidakis, Konstantina Argyri, Zoi Sevastou, Dimitra Lamprinaki, Elli Panagopoulou, Evi Paximada, Aggeliki Sali, Vassilis Papalazarou, Athanasios Mallouchos, Vasiliki Evageliou, Vasiliki Kostourou, Ioanna Mantala, Maria Kapsokefalou
The hypothesis that incorporation of epigallocatechin gallate (EGCG) into nanoemulsions may increase its bioactivity compared with EGCG aqueous solutions was examined in mice. After an in vitro study in a model system with stimulated gastrointestinal conditions, the following EGCG nanoemulsions were used in a mice experiment: Emulsion I: emulsion water in oil (W/O), which contained 0.23 mg/mL EGCG in aqueous phase; Emulsion II: emulsion oil in water (O/W), which contained 10% olive oil and 0.23 mg/mL esterified EGCG in fatty phase; and Emulsion III: emulsion O/W in water (W1/O/W2; 8:32:60), which contained 32% olive oil and 0...
July 24, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28737385/a-synthetic-circuit-for-mercury-bioremediation-using-self-assembling-functional-amyloids
#17
Pei Kun Richie Tay, Peter Q Nguyen, Neel S Joshi
Synthetic biology approaches to bioremediation are a key sustainable strategy to leverage the self-replicating and programmable aspects of biology for environmental stewardship. The increasing spread of anthropogenic mercury pollution into our habitats and food chains is a pressing concern. Here, we explore the use of programmed bacterial biofilms to aid in the sequestration of mercury. We demonstrate that by integrating a mercury-responsive promoter and an operon encoding a mercury-absorbing self-assembling extracellular protein nanofiber, we can engineer bacteria that can detect and sequester toxic Hg2+ ions from the environment...
July 24, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28736570/genome-wide-identification-and-functional-analysis-of-the-calcineurin-b-like-protein-and-calcineurin-b-like-protein-interacting-protein-kinase-gene-families-in-turnip-brassica-rapa-var-rapa
#18
Xin Yin, Qiuli Wang, Qian Chen, Nan Xiang, Yunqiang Yang, Yongping Yang
The calcineurin B-like protein (CBL)-CBL-interacting protein kinase (CIPK) complex has been identified as a primary component in calcium sensors that perceives various stress signals. Turnip (Brassica rapa var. rapa) has been widely cultivated in the Qinghai-Tibet Plateau for a century as a food crop of worldwide economic significance. These CBL-CIPK complexes have been demonstrated to play crucial roles in plant response to various environmental stresses. However, no report is available on the genome-wide characterization of these two gene families in turnip...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28736287/novel-approach-for-selective-reduction-of-nnn-in-cigarette-tobacco-filler-and-mainstream-smoke
#19
M Lusso, I Gunduz, A Kondylis, G Jaccard, L Ruffieux, F Gadani, K Lion, A Adams, W Morris, T Danielson, U Warek, J Strickland
Research conducted during past decades to reduce the level of the tobacco specific nitrosamine N-nitrosonornicotine (NNN) and its precursor nornicotine in tobacco yielded identification of three tobacco genes encoding for cytochrome P450 nicotine demethylases converting nicotine to nornicotine. We carried out trials to investigate the effect of using tobaccos containing three non-functional nicotine demethylase genes on the selective reduction of NNN in cigarette tobacco filler and mainstream smoke. Our results indicate that the presence of non-functional alleles of the three genes reduces the level of nornicotine and NNN in Burley tobacco by 70% compared to the level observed in currently available low converter (LC) Burley tobacco varieties...
July 20, 2017: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/28736286/lack-of-immunotoxic-effects-of-repeated-exposure-to-atrazine-associated-with-the-adaptation-of-adrenal-gland-activation
#20
Chad D Foradori, Arthur D Zimmerman, Pragati S Coder, Vanessa L Peachee, Robert J Handa, Ian Kimber, Stephen B Pruett, Charles B Breckenridge
T cell-dependent IgM antibody production and natural killer cell (NKC) activity were assessed in SD rats orally administered atrazine for 28 days to males (0, 6.5, 25, or 100 mg/kg/day) or females (0, 3, 6, or 50 mg/kg/day), or 30 or 500 ppm in diet (3 or 51 mg/kg/day). Anti-asialo GM1 antibodies (NKC) and cyclophosphamide (antibody-forming cell [AFC]) assays served as positive controls. Pituitary (ACTH, prolactin), adrenal (corticosterone, progesterone, aldosterone), and gonadal (androgens, estrogens) hormones were assessed after 1, 7, and/or 28 days of treatment...
July 20, 2017: Regulatory Toxicology and Pharmacology: RTP
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