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https://www.readbyqxmd.com/read/27918267/outbreak-of-neisseria-meningitidis-capsular-group-w-among-scouts-returning-from-the-world-scout-jamboree-japan-2015
#1
Alison Smith-Palmer, Ken Oates, Diana Webster, Sarah Taylor, Kevin J Scott, Gemma Smith, Benjamin Parcell, Ann Lindstrand, Anders Wallensten, Hans Fredlund, Micael Widerström, Jim McMenamin
The 23rd World Scout Jamboree was held in Japan from 28 July to 8 August 2015 and was attended by over 33,000 scouts from 162 countries. An outbreak of invasive meningococcal disease capsular group W was investigated among participants, with four confirmed cases identified in Scotland, who were all associated with one particular scout unit, and two confirmed cases in Sweden; molecular testing showed the same strain to be responsible for illness in both countries. The report describes the public health action taken to prevent further cases and the different decisions reached with respect to how wide to extend the offer of chemoprophylaxis in the two countries; in Scotland, chemoprophylaxis was offered to the unit of 40 participants to which the four cases belonged and to other close contacts of cases, while in Sweden chemoprophylaxis was offered to all those returning from the Jamboree...
November 10, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/27916488/human-organic-anion-transporter-2-is-an-entecavir-but-not-tenofovir-transporter
#2
Tomomi Furihata, Hanae Morio, Meiyan Zhu, Yuki Suzuki, Hideyuki Ide, Akihito Tsubota, Zhongguo Fu, Naohiko Anzai, Kan Chiba
Entecavir (ETV) and tenofovir (TFV) are essential nucleoside analogues in current hepatitis B virus (HBV) treatments. Since these drugs target the HBV polymerase that is localized within human hepatocytes, determining of their cellular uptake process is an important step in fully understanding their pharmacological actions. However, the human hepatic transporters responsible for their uptake have remained unidentified. Therefore, this study aimed at identifying the primary ETV and TFV uptake transporter(s) in human hepatocytes...
September 23, 2016: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/27916297/protective-effects-of-thymoquinone-and-avenanthramides-on-titanium-dioxide-nanoparticles-induced-toxicity-in-sprague-dawley-rats
#3
Khaled M A Hassanein, Yasmin O El-Amir
The protective effect of thymoquinone (TQ), the major active ingredient of Nigella sativa seeds, and avenanthramides (AVA) enriched extract of oats on titanium dioxide naonparticles (TiO2 NPs) induced toxicity and oxidative stress in Sprague-Dawley (SD) rats was investigated. Sixty rats were divided into 6 equal groups. The first, second, third, fourth and fifth groups received TiO2 NPs, TiO2 NPs and TQ, TiO2 NPs and AVA, TQ only, or AVA only for 6 weeks. The sixth group served as the control. Exposure to TiO2 NPs resulted in increased liver enzyme markers, oxidative stress indices, tumor necrosis factor alpha (TNF-α) and DNA damage...
August 9, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27914111/response-to-natural-childbirth-ideology-is-endangering-women-and-babies
#4
David Ellwood, Jeremy Oats
No abstract text is available yet for this article.
December 2016: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27912969/triterpenoid-saponins-with-anti-inflammatory-activities-from-ilex-pubescens-roots
#5
Peng Wu, Hui Gao, Jian-Xin Liu, Liang Liu, Hua Zhou, Zhong-Qiu Liu
Seven triterpenoid saponins, named ilexsaponin I-O, along with twelve known ones, were isolated from the roots of Ilex pubescens. The structures of all compounds were elucidated by use of extensive spectroscopic methods (IR, HR-ESI-MS, and 1D and 2D NMR). Sugar residues obtained after acid hydrolysis were identified by TLC and HPLC. The in vitro anti-inflammatory effects of the triterpenoid saponins were also evaluated in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. Among the isolated saponins, seven compounds were shown to inhibit LPS-induced nitric oxide (NO) and prostaglandin E2 (PGE2) production by suppressing the expression of inducible NO synthase (iNOS) and cyclooxygenase-2 (COX-2), respectively, in LPS-stimulated RAW 264...
November 29, 2016: Phytochemistry
https://www.readbyqxmd.com/read/27909713/age-associated-differences-in-transporter-gene-expression-in-kidneys-of-male-rats
#6
Yong-Ji Xu, Yang Wang, Yuan-Fu Lu, Shang-Fu Xu, Qin Wu, Jie Liu
Kidney transporters are involved in the secretion and reabsorption of endogenous and exogenous molecules. Numerous factors may influence their expression and affect drug disposition, efficacy and toxicity. The present study aimed to examine the development‑ and age‑associated variations in primary renal transporters in rats, including 6 uptake transporters: Organic anion transporter (OAT) 1 and 3, organic cation transporter (OCT) 1, 2 and 3 and organic anion‑transporting polypeptide (OATP) 4C1, and 6 efflux transporters: Multidrug resistance protein 1 (MDR1), breast cancer resistance protein (BCRP), multidrug resistance‑associated protein (MRP) 2 and 4, and multidrug and toxin extrusion protein (MATE) 1 and 2‑K...
November 28, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27909045/a-subset-of-ubiquitin-conjugating-enzymes-are-essential-for-plant-immunity
#7
Bangjun Zhou, Ravi V Mural, Xuanyang Chen, Matt E Oates, Richard A Connor, Gregory B Martin, Julian Gough, Lirong Zeng
Of the three classes of enzymes involved in ubiquitination, ubiquitin-conjugating enzymes (E2) have been often incorrectly considered to play merely an auxiliary role in the process and few E2 enzymes have been investigated in plants. To reveal the role of E2 in plant innate immunity we identified and cloned forty tomato genes encoding E2 proteins. Thioester assays indicated the majority of the genes encode enzymatically active E2. Phylogenetic analysis classified the forty tomato E2 into thirteen groups, of which members of group III were found to interact and act specifically with AvrPtoB, a Pseudomonas syringae pv...
December 1, 2016: Plant Physiology
https://www.readbyqxmd.com/read/27908215/in-vitro-effect-of-myo-inositol-on-sperm-motility-in-normal-and-oligoasthenospermia-patients-undergoing-in-vitro-fertilization
#8
P G Artini, E Casarosa, E Carletti, P Monteleone, A Di Noia, O M Di Berardino
It is a known fact that abnormal seminal liquid specimens contain abnormal amounts of oxygen free radicals and reactive oxygen species (ROS), and that the use of antioxidant molecules both in vivo and in vitro leads to improvement of semen quality in terms of motility, reduction in DNA damage, with obvious consequences on the fertilization potential. Myo-inositol has been observed to have anti-oxidant properties and be present in much greater concentrations specifically in seminal liquid than in the blood. Moreover, there seems to be a direct relationship between myo-inositol and mitochondrial membrane potential (MMP) and sperm motility...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27906261/impact-of-nonstationary-optical-illumination-on-image-reconstruction-in-optoacoustic-tomography
#9
Yang Lou, Kun Wang, Alexander A Oraevsky, Mark A Anastasio
Optoacoustic tomography (OAT), also known as photoacoustic tomography, is a rapidly emerging hybrid imaging technique that possesses great potential for a wide range of biomedical imaging applications. In OAT, a laser is employed to illuminate the tissue of interest and acoustic signals are produced via the photoacoustic effect. From these data, an estimate of the distribution of the absorbed optical energy density within the tissue is reconstructed, referred to as the object function. This quantity is defined, in part, by the distribution of light fluence within the tissue that is established by the laser source...
December 1, 2016: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/27904408/quality-of-bread-supplemented-with-antrodia%C3%A2-salmonea-fermented-grains
#10
Rao-Chi Chien, Enkhjargal Ulziijargal, Jeng-Leun Mau
Fermented grains of buckwheat, oat, embryo rice and wheat, which were prepared by solid-state fermentation with Antrodia salmonea, and the mycelium was used to substitute 7% of wheat flour to make bread. No difference in proximate composition, texture profile and contents of non-volatile taste components was observed among bread samples. White bread and bread supplemented with mycelium and fermented grains looked different. Bread supplemented with fermented grains had similar thermal properties, which differed from those of white bread and bread supplemented with mycelium...
June 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27904392/the-effect-of-oat-fibre-powder-particle-size-on-the-physical-properties-of-wheat-bread-rolls
#11
Marcin Kurek, Jarosław Wyrwisz, Monika Piwińska, Agnieszka Wierzbicka
In response to the growing interest of modern society in functional food products, this study attempts to develop a bakery product with high dietary fibre content added in the form of an oat fibre powder. Oat fibre powder with particle sizes of 75 µm (OFP1) and 150 µm (OFP2) was used, substituting 4, 8, 12, 16 and 20% of the flour. The physical properties of the dough and the final bakery products were then measured. Results indicated that dough with added fibre had higher elasticity than the control group...
March 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27900528/the-thermophilic-biomass-degrading-fungus-thielavia-terrestris-co3bag1-produces-a-hyperthermophilic-and-thermostable-%C3%AE-1-4-xylanase-with-exo-and-endo-activity
#12
Yolanda García-Huante, Maribel Cayetano-Cruz, Alejandro Santiago-Hernández, Claudia Cano-Ramírez, Rodolfo Marsch-Moreno, Jorge E Campos, Guillermo Aguilar-Osorio, Claudia G Benitez-Cardoza, Sergio Trejo-Estrada, María Eugenia Hidalgo-Lara
A hyperthermophilic and thermostable xylanase of 82 kDa (TtXynA) was purified from the culture supernatant of T. terrestris Co3Bag1, grown on carboxymethyl cellulose (CMC), and characterized biochemically. TtXynA showed optimal xylanolytic activity at pH 5.5 and at 85 °C, and retained more than 90% of its activity at a broad pH range (4.5-10). The enzyme is highly thermostable with a half-life of 23.1 days at 65 °C, and active in the presence of several metal ions. Circular dichroism spectra strongly suggest the enzyme gains secondary structures when temperature increases...
November 29, 2016: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/27898836/population-genomics-related-to-adaptation-in-elite-oat-germplasm
#13
Kathy Esvelt Klos, Yung-Fen Huang, Wubishet A Bekele, Don E Obert, Ebrahiem Babiker, Aaron D Beattie, Åsmund Bjørnstad, J Michael Bonman, Martin L Carson, Shiaoman Chao, Belaghihalli N Gnanesh, Irene Griffiths, Stephen A Harrison, Catherine J Howarth, Gongshe Hu, Amir Ibrahim, Emir Islamovic, Eric W Jackson, Jean-Luc Jannink, Frederic L Kolb, Michael S McMullen, Jennifer Mitchell Fetch, J Paul Murphy, Herbert W Ohm, Howard W Rines, Brian G Rossnagel, Jessica A Schlueter, Mark E Sorrells, Charlene P Wight, Weikai Yan, Nicholas A Tinker
Six hundred thirty five oat ( L.) lines and 4561 single-nucleotide polymorphism (SNP) loci were used to evaluate population structure, linkage disequilibrium (LD), and genotype-phenotype association with heading date. The first five principal components (PCs) accounted for 25.3% of genetic variation. Neither the eigenvalues of the first 25 PCs nor the cross-validation errors from = 1 to 20 model-based analyses suggested a structured population. However, the PC and = 2 model-based analyses supported clustering of lines on spring oat vs...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898818/a-consensus-map-in-cultivated-hexaploid-oat-reveals-conserved-grass-synteny-with-substantial-subgenome-rearrangement
#14
Ashley S Chaffin, Yung-Fen Huang, Scott Smith, Wubishet A Bekele, Ebrahiem Babiker, Belaghihalli N Gnanesh, Bradley J Foresman, Steven G Blanchard, Jeremy J Jay, Robert W Reid, Charlene P Wight, Shiaoman Chao, Rebekah Oliver, Emir Islamovic, Frederic L Kolb, Curt McCartney, Jennifer W Mitchell Fetch, Aaron D Beattie, Åsmund Bjørnstad, J Michael Bonman, Tim Langdon, Catherine J Howarth, Cory R Brouwer, Eric N Jellen, Kathy Esvelt Klos, Jesse A Poland, Tzung-Fu Hsieh, Ryan Brown, Eric Jackson, Jessica A Schlueter, Nicholas A Tinker
Hexaploid oat ( L., 2 = 6 = 42) is a member of the Poaceae family and has a large genome (∼12.5 Gb) containing 21 chromosome pairs from three ancestral genomes. Physical rearrangements among parental genomes have hindered the development of linkage maps in this species. The objective of this work was to develop a single high-density consensus linkage map that is representative of the majority of commonly grown oat varieties. Data from a cDNA-derived single-nucleotide polymorphism (SNP) array and genotyping-by-sequencing (GBS) were collected from the progeny of 12 biparental recombinant inbred line populations derived from 19 parents representing oat germplasm cultivated primarily in North America...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27892633/dihydroavenanthramide-d-inhibits-mast-cell-degranulation-and-exhibits-anti-inflammatory-effects-through-the-activation-of-neurokinin-1-receptor
#15
Tobias Lotts, Konstantin Agelopoulos, Ngoc Quan Phan, Karin Loser, Gerhard Schmaus, Thomas A Luger, Sonja Ständer
Chronic pruritus is difficult to treat. Current treatment options are frequently ineffective and new therapeutic approaches are urgently needed. Avenanthramides are active substances in oats that exhibit anti-inflammatory effects. Their potential to interrupt pruritus mechanisms was investigated in this study. It was found that the synthetic analog dihydroavenanthramide D (DHAvD) can interact with the neurokinin-1 receptor (NK1R) and inhibit mast cell degranulation. DHAvD also affects inflammatory processes and reduces secretion of the cytokine interleukin-6...
November 28, 2016: Experimental Dermatology
https://www.readbyqxmd.com/read/27888167/delta-notch-signalling-in-segmentation
#16
Bo-Kai Liao, Andrew C Oates
Modular body organization is found widely across multicellular organisms, and some of them form repetitive modular structures via the process of segmentation. It's vastly interesting to understand how these regularly repeated structures are robustly generated from the underlying noise in biomolecular interactions. Recent studies from arthropods reveal similarities in segmentation mechanisms with vertebrates, and raise the possibility that the three phylogenetic clades, annelids, arthropods and chordates, might share homology in this process from a bilaterian ancestor...
November 22, 2016: Arthropod Structure & Development
https://www.readbyqxmd.com/read/27887578/evaluation-of-an-international-educational-programme-for-health-care-professionals-on-best-practice-in-the-management-of-a-perinatal-death-improving-perinatal-mortality-review-and-outcomes-via-education-improve
#17
Paul A Gardiner, Alison L Kent, Viviana Rodriguez, Aleena M Wojcieszek, David Ellwood, Adrienne Gordon, Patricia A Wilson, Diana M Bond, Adrian Charles, Susan Arbuckle, Glenn J Gardener, Jeremy J Oats, Jan Jaap Erwich, Fleurisca J Korteweg, T H Nguyen Duc, Susannah Hopkins Leisher, Kamal Kishore, Robert M Silver, Alexander E Heazell, Claire Storey, Vicki Flenady
BACKGROUND: Stillbirths and neonatal deaths are devastating events for both parents and clinicians and are global public health concerns. Careful clinical management after these deaths is required, including appropriate investigation and assessment to determine cause (s) to prevent future losses, and to improve bereavement care for families. An educational programme for health care professionals working in maternal and child health has been designed to address these needs according to the Perinatal Society of Australia and New Zealand Guideline for Perinatal Mortality: IMproving Perinatal mortality Review and Outcomes Via Education (IMPROVE)...
November 25, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27884126/help-seeking-behavior-and-onset-to-alarm-time-in-patients-with-acute-stroke-sub-study-of-the-preventive-antibiotics-in-stroke-study
#18
E Zock, H Kerkhoff, R P Kleyweg, T B V van Bavel-Ta, S Scott, N D Kruyt, P J Nederkoorn, D van de Beek
BACKGROUND: Patients with acute stroke often do not seek immediate medical help, which is assumed to be driven by lack of knowledge of stroke symptoms. We explored the process of help seeking behavior in patients with acute stroke, evaluating knowledge about stroke symptoms, socio-demographic and clinical characteristics, and onset-to-alarm time (OAT). METHODS: In a sub-study of the Preventive Antibiotics in Stroke Study (PASS), 161 acute stroke patients were prospectively included in 3 Dutch hospitals...
November 25, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27882862/milk-and-dairy-products-good-or-bad-for-human-health-an-assessment-of-the-totality-of-scientific-evidence
#19
REVIEW
Tanja Kongerslev Thorning, Anne Raben, Tine Tholstrup, Sabita S Soedamah-Muthu, Ian Givens, Arne Astrup
BACKGROUND: There is scepticism about health effects of dairy products in the public, which is reflected in an increasing intake of plant-based drinks, for example, from soy, rice, almond, or oat. OBJECTIVE: This review aimed to assess the scientific evidence mainly from meta-analyses of observational studies and randomised controlled trials, on dairy intake and risk of obesity, type 2 diabetes, cardiovascular disease, osteoporosis, cancer, and all-cause mortality...
2016: Food & Nutrition Research
https://www.readbyqxmd.com/read/27882264/observation-of-strong-reflection-of-electron-waves-exiting-a-ballistic-channel-at-low-energy
#20
Canute I Vaz, Changze Liu, Jason P Campbell, Jason T Ryan, Richard G Southwick, David Gundlach, Anthony S Oates, Ru Huang, Kin P Cheung
Wave scattering by a potential step is a ubiquitous concept. Thus, it is surprising that theoretical treatments of ballistic transport in nanoscale devices, from quantum point contacts to ballistic transistors, assume no reflection even when the potential step is encountered upon exiting the device. Experiments so far seem to support this even if it is not clear why. Here we report clear evidence of coherent reflection when electron wave exits the channel of a nanoscale transistor and when the electron energy is low...
June 2016: AIP Advances
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