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https://www.readbyqxmd.com/read/28239908/pathogenicity-of-conidiobolus-coronatus-and-fusarium-solani-in-mouse-models
#1
Yadi Li, Xiangang Fang, Xiaoqian Zhou, Suying Geng, Yuxin Wang, Xiumin Yang
To study the pathogenicity of Conidiobolus coronatus (C. coronatus) and Fusarium solani (F. solani) in animal models. Immunocompromised mice were treated with cyclophosphamide and prednisolone via intraperitoneal injection before and after inoculation. According to pathogenic characteristics of different fungi, C. coronatus was used to infect mice via intravenous inoculation, intraperitoneal inoculation, gastrointestinal infusion and intradermal inoculation methods. And F. solani was used to infect mice by inoculation via the abraded or normal skin...
February 27, 2017: Mycoses
https://www.readbyqxmd.com/read/28239861/glucocorticoid-deficient-hypoadrenocorticism-secondary-to-intravascular-lymphoma-in-the-adrenal-glands-of-a-dog
#2
M E Buckley, P S Chapman, A Walsh
CASE REPORT: A 2-year-old neutered male German Shepherd dog was presented with weakness, poor appetite and weight loss. Glucocorticoid-deficient hypoadrenocorticism was diagnosed with undetectable pre- and post-ACTH cortisol concentrations but normal sodium and potassium concentrations. Despite appropriate supplementation with glucocorticoids, the patient's weakness progressed and neurological deficits developed. The patient was euthanased. Histopathological analysis of multiple organs, including the adrenal glands, showed an accumulation of neoplastic lymphocytes within blood vessels, consistent with a diagnosis of intravascular lymphoma...
March 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28239713/enhancerpred2-0-predicting-enhancers-and-their-strength-based-on-position-specific-trinucleotide-propensity-and-electron-ion-interaction-potential-feature-selection
#3
Wenying He, Cangzhi Jia
Enhancers are cis-acting elements that play major roles in upregulating eukaryotic gene expression by providing binding sites for transcription factors and their complexes. Because enhancers are highly cell/tissue specific, lack common motifs, and are far from the target gene, the systematic and precise identification of enhancer regions in DNA sequences is a big challenge. In this study, we developed an enhancer prediction method called EnhancerPred2.0 by combining position-specific trinucleotide propensity (PSTNP) information with the electron-ion interaction potential (EIIP) values for trinucleotides, to predict enhancers and their subgroups...
February 27, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28239709/controlled-hierarchical-assembly-of-gold-nanoparticles-in-macroscopic-films-from-densely-packed-monolayers-to-networks-of-micropores-and-nanobundles
#4
Steven Gravelsins, Minhal Hasham, Yi Lin, Kevin Yu, Monique Tie, Cynthia Goh, Al-Amin Dhirani
The present study demonstrates the ability of excess, weakly amphiphilic n-alkanethiols (n = 4, 12, 18) and solvent composition to tune through a wide range of large-scale, macroscopic architectures formed by alkanethiol-capped Au nanoparticles (NPs). Both the alkanethiols and NPs are significantly hydrophobic species and compete for surface area at an air-water interface. When solutions of the two species are spread on a large (50 cm(2)) water surface in a Teflon well, a thin film forms and exhibits co-existing macroscopic regions with various distinct NP self-assembled architectures, namely a close packed monolayer, a network phase characterized by micron-sized pores (micropores) surrounded by quasi-linear bundles of nanoparticles, and finally aggregates...
February 27, 2017: Soft Matter
https://www.readbyqxmd.com/read/28239521/swallowing-and-swallowing-breathing-interaction-as-predictors-of-intubation-in-guillain-barr%C3%A3-syndrome
#5
Adam Ogna, Helene Prigent, Michele Lejaille, Patricia Samb, Tarek Sharshar, Djillali Annane, Frederic Lofaso, David Orlikowski
BACKGROUND: Bulbar weakness and respiratory impairment have been associated with increased morbidity in retrospective studies of Guillain-Barré syndrome (GBS) patients. The aim of this study was to prospectively explore the relationship between subclinical swallowing impairment, respiratory function parameters, the necessity to intubate patients and the development of early postintubation pneumonia in patients with GBS in the intensive care unit (ICU). METHODS: Respiratory, swallowing, and tongue strength parameters were measured in 30 consecutive adults (51...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28239468/immunotherapy-associated-autoimmune-hemolytic-anemia
#6
Uqba Khan, Farman Ali, Muhammad Siddique Khurram, Awais Zaka, Tarik Hadid
BACKGROUND: Immunotherapy has been widely used in the treatment of several solid and hematologic malignancies. Checkpoint inhibitors have been the forefront of cancer immunotherapy in recent years. Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed cell death 1 (PD-1) pathway are the prototypic checkpoint targets for immunotherapy. When combined, CTLA-4 and PD-1 checkpoint inhibitors work synergistically, but with increased probability of toxicity. The following case represents an unusual adverse effect of combined treatment with ipilimumab and nivolumab used for treatment of metastatic melanoma...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28239466/nivolumab-induced-myxedema-crisis
#7
Uqba Khan, Humaira Rizvi, Dahlia Sano, Jane Chiu, Tarik Hadid
BACKGROUND: Nivolumab is an anti-programmed cell death (anti-PD-1) monoclonal antibody that is approved by Food and Drug Administration for treatment of metastatic non-small cell lung cancer, metastatic melanoma, relapsed Hodgkin lymphoma and advanced renal cell cancer. We report a rare case of myxedema crisis induced by nivolumab in a patient with metastatic squamous cell carcinoma of lung. CASE PRESENTATION: Fifty three-year old woman with metastatic squamous cell carcinoma currently on treatment with nivolumab presented with diffuse facial and tongue swelling, slurred speech, depressed mentation, fatigue and weakness...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28239372/identification-by-genome-mining-of-a-type-i-polyketide-gene-cluster-from-streptomyces-argillaceus-involved-in-the-biosynthesis-of-pyridine-and-piperidine-alkaloids-argimycins-p
#8
Suhui Ye, Brian Molloy, Alfredo F Braña, Daniel Zabala, Carlos Olano, Jesús Cortés, Francisco Morís, José A Salas, Carmen Méndez
Genome mining of the mithramycin producer Streptomyces argillaceus ATCC 12956 revealed 31 gene clusters for the biosynthesis of secondary metabolites, and allowed to predict the encoded products for 11 of these clusters. Cluster 18 (renamed cluster arp) corresponded to a type I polyketide gene cluster related to the previously described coelimycin P1 and streptazone gene clusters. The arp cluster consists of fourteen genes, including genes coding for putative regulatory proteins (a SARP-like transcriptional activator and a TetR-like transcriptional repressor), genes coding for structural proteins (three PKSs, one aminotransferase, two dehydrogenases, two cyclases, one imine reductase, a type II thioesterase, and a flavin reductase), and one gene coding for a hypothetical protein...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28239323/metronidazole-induced-encephalopathy-in-a-patient-with-crohn-s-disease
#9
Jihye Kim, Jaeyoung Chun, Jae Yong Park, Seung Wook Hong, Joo Young Lee, Jin Woo Kang, Seongjun Hwang, Sang-Bae Ko, Jong Pil Im, Joo Sung Kim
Metronidazole is a widely used antibiotic for the treatment of anaerobic bacterial infections. Metronidazole-induced encephalopathy (MIEP) is a rare but potentially reversible disease. The mechanism of MIEP remains unclear, and differences in the neurotoxic effects of oral versus intravenous (IV) metronidazole administration have not yet been determined. We report the case of a Crohn's disease (CD) patient who experienced encephalopathy immediately after a single IV dose of metronidazole following long-term exposure to the oral form of the drug...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28238998/factors-associated-with-contraceptive-use-among-women-of-reproductive-age-in-rural-districts-of-burkina-faso
#10
Joseph K Wulifan, Jacob Mazalale, Albrecht Jahn, Hervé Hien, Patrick Christian Ilboudo, Nicolas Meda, Paul Jacob Robyn, Saidou Hamadou, Ousmane Haidara, Manuela De Allegri
Given the current low contraceptive use and corresponding high levels of unwanted pregnancies leading to induced abortions and poor maternal health outcomes among rural populations, a detailed understanding of the factors that limit contraceptive use is essential. Our study investigated household and health facility factors that influence contraceptive use decisions among rural women in rural Burkina Faso. We collected data on fertile non-pregnant women in 24 rural districts in 2014. Of 8,657 women, 1,098 used a modern contraceptive...
2017: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/28238973/writing-signed-languages-what-for-what-form-a-response
#11
Donald F Moores
In his article in an American Annals of the Deaf special issue that also includes the present article, Grushkin divides his discussion of a written sign system into three basic parts. The first presents arguments against the development of a written form of American Sign Language; the second provides a rationale for a written form of ASL; the third advances opinions of the form such a system might take. The arguments in the first part are weak and reflect the same bias that historically has been shown against ASL itself...
2017: American Annals of the Deaf
https://www.readbyqxmd.com/read/28238889/on-the-relation-between-pitch-and-level
#12
Yi Zheng, Romain Brette
Pitch is the perceptual dimension along which musical notes are ordered from low to high. It is often described as the perceptual correlate of the periodicity of the sound's waveform. Previous reports have shown that pitch can depend slightly on sound level. We wanted to verify that these observations reflect genuine changes in perceived pitch, and were not due to procedural factors or confusion between dimensions of pitch and level. We first conducted a systematic pitch matching task and confirmed that the pitch of low frequency pure tones, but not complex tones, decreases by an amount equivalent to a change in frequency of more than half a semitone when level increases...
February 23, 2017: Hearing Research
https://www.readbyqxmd.com/read/28238777/up-regulation-of-igf-1-in-the-frontal-cortex-of-piglets-exposed-to-an-environmentally-enriched-arena
#13
Sarah M Brown, Rebecca Peters, Alistair B Lawrence
Environmental enrichment (EE) is widely used in the life sciences to study effects of environment on the brain. In pigs, despite lack of EE being a key welfare issue there is little understanding of brain effects of EE in pigs. This project aimed to study the effects of exposure to an EE arena on piglet behaviours and on brain gene expression levels with a focus on IGF-1 and related genes. Eight litters of large white×landrace×Hampshire piglets were farrowed and raised in a free farrowing system (PigSAFE)...
February 23, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28238770/association-between-screen-detected-gallstone-disease-and-cancer-in-a-cohort-study
#14
Daniel Mønsted Shabanzadeh, Lars Tue Sørensen, Torben Jørgensen
BACKGROUND & AIMS: Knowledge of temporal associations between screen-detected gallstone disease and specific cancers is limited. The objective of this study was to determine if screen-detected gallstones or cholecystectomy is associated with occurrence of gastrointestinal and non-gastrointestinal cancers. METHODS: We performed a cohort study of 3 randomly selected groups from the general population of Copenhagen. Participants (n=5928) were examined from 1982 through 1992 and underwent abdominal ultrasound examination to detect gallstone disease, but were not informed of their gallstone status...
February 23, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28238756/gaps-in-patient-knowledge-about-risks-and-benefits-of-testosterone-replacement-therapy
#15
Kirven Gilbert, Cara B Cimmino, Lucius C Beebe, Akanksha Mehta
OBJECTIVE: To assess patient knowledge of the symptoms of testosterone deficiency, and the benefits and risks associated with testosterone replacement therapy (TRT). METHODS: An anonymous, 10-question multiple choice survey was administered to consecutive patients presenting for urologic evaluation at an academic medical center, from December 2015 to April 2016. The survey included questions about perceived symptoms of testosterone deficiency, perceived benefits and risks associated with TRT, whether or not respondents had a diagnosis of testosterone deficiency, and whether they were interested in receiving TRT...
February 23, 2017: Urology
https://www.readbyqxmd.com/read/28238507/is-cardiac-autonomic-function-associated-with-cardiorespiratory-fitness-and-physical-activity-in-children-and-adolescents-a-systematic-review-of-cross-sectional-studies
#16
Ricardo Santos Oliveira, Alan Robert Barker, Kelly Michelle Wilkinson, Rebecca Anne Abbott, Craig Anthony Williams
BACKGROUND: Heart rate variability (HRV) is considered to explain improvements in cardiovascular health accrued by physical activity (PA) and cardiorespiratory fitness (CRF) over and above traditional cardiovascular risk factors. OBJECTIVE: To systematically address associations between HRV, PA and CRF in children and adolescents. DATA SOURCES: Medline, EMBASE, SportDISCUS and CINAHL Plus were searched on 5th September 2015 and updated on 4th August 2016...
February 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28238376/carbon-budget-of-a-rainfed-spring-maize-cropland-with-straw-returning-on-the-loess-plateau-china
#17
Xiang Gao, Fengxue Gu, Weiping Hao, Xurong Mei, Haoru Li, Daozhi Gong, Lili Mao, Zuguang Zhang
Assessing the carbon budget of rainfed agricultural ecosystems is a vital component in the process of estimating the global carbon balance. We used eddy covariance techniques combined with soil respiration measurements to estimate the carbon budget of a rainfed spring maize field where straw returning was practiced, on the Loess Plateau, China, during 2012-2014. Carbon fluxes and their components (except heterotrophic respiration, Rh) exhibited single-peak seasonal patterns, and linear relationships were found between daily gross primary productivity (GPP) and net ecosystem exchange (NEE), and between daily GPP and ecosystem respiration (Re), with goodness of fit value of 0...
February 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28238320/-oxytocin-administration-during-spontaneous-labour-guidelines-for-clinical-practice-guidelines-short-text
#18
C Dupont, M Carayol, C Le Ray, C Barasinski, R Beranger, A Burguet, A Chantry, C Chiesa, B Coulm, A Evrard, C Fischer, L Gaucher, C Guillou, F Leroy, E Phan, A Rousseau, V Tessier, F Vendittelli, C Deneux-Tharaux, D Riethmuller
OBJECTIVES: To define the different stages of spontaneous labour. To determine the indications, modalities of use and the effects of administering synthetic oxytocin. And to describe undesirable maternal and perinatal outcomes associated with the use of synthetic oxytocin. METHOD: A systematic review was carried out by searching Medline database and websites of obstetrics learned societies until March 2016. RESULTS: The 1st stage of labor is divided in a latence phase and an active phase, which switch at 5cm of cervical dilatation...
January 2017: Gynecol Obstet Fertil Senol
https://www.readbyqxmd.com/read/28238264/the-influence-of-aqueous-inorganic-anions-on-the-reactivity-of-nanoparticles-in-tio2-photocatalysis
#19
Jeffrey Farner Budarz, Andrea Turolla, Aleksander F Piasecki, Jean-Yves Bottero, Manuela Antonelli, Mark R Wiesner
The influence of inorganic anions on the photoreactivity and aggregation of titanium dioxide nanoparticles (NPs) was assessed by dosing carbonate, chloride, nitrate, phosphate and sulfate as potassium salts at multiple concentrations. Nanoparticle stability was monitored in terms of aggregate morphology and electrophoretic mobility (EPM). Aggregates size and fractal dimension were measured over time by laser diffraction, and the isoelectric point (IEP) as a function of anion and concentration was obtained by measuring EPM vs...
February 27, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28238263/structure-controlled-long-range-sequential-tunneling-in-carbon-based-molecular-junctions
#20
Amin Morteza Najarian, Richard L McCreery
Carbon-based molecular junctions consisting of aromatic oligomers between conducting sp(2) hybridized carbon electrodes exhibit structure dependent current densities (J) when the molecular layer thickness (d) exceeds ~5 nm. All four of the molecular structures examined exhibit an unusual, nonlinear ln J vs bias voltage (V) dependence which is not expected for conventional coherent tunneling or activated hopping mechanisms. All molecules exhibit a weak temperature dependence, with J increasing typically a factor of two over the range of 200-440 K...
February 27, 2017: ACS Nano
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