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https://www.readbyqxmd.com/read/29454298/is-the-biparietal-diameter-of-fetuses-in-late-gestation-too-variable-to-predict-readiness-for-cesarean-section-in-dogs
#1
K G M De Cramer, J O Nöthling
Correct assessment of readiness for cesarean section is essential for timing elective cesarean section during late pregnancy in the bitch. In humans, biparietal diameter is sufficiently precise and accurate and used in a clinical setting daily. The objectives of this study were to determine whether fetal biparietal diameter in late gestation in the dog could be used to predict readiness for cesarean section by having reached a minimum cut-off value and to correlate the biparietal diameter to birth weight. The biparietal diameter of 208 puppies in 34 litters from 31 English bulldog bitches and 660 puppies in 78 litters from 70 Boerboel bitches were measured immediately after delivery by cesarean section, performed at full term, using digital calipers...
February 10, 2018: Theriogenology
https://www.readbyqxmd.com/read/29454282/contaminants-of-emerging-concern-presence-and-adverse-effects-in-fish-a-case-study-in-the-laurentian-great-lakes
#2
Zachary G Jorgenson, Linnea M Thomas, Sarah M Elliott, Jenna E Cavallin, Eric C Randolph, Steven J Choy, David A Alvarez, Jo A Banda, Daniel J Gefell, Kathy E Lee, Edward T Furlong, Heiko L Schoenfuss
The Laurentian Great Lakes are a valuable natural resource that is affected by contaminants of emerging concern (CECs), including sex steroid hormones, personal care products, pharmaceuticals, industrial chemicals, and new generation pesticides. However, little is known about the fate and biological effects of CECs in tributaries to the Great Lakes. In the current study, 16 sites on three rivers in the Great Lakes basin (Fox, Cuyahoga, and Raquette Rivers) were assessed for CEC presence using polar organic chemical integrative samplers (POCIS) and grab water samplers...
February 14, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29454272/dealing-with-the-nucleus-during-cell-migration
#3
REVIEW
Francisco J Calero-Cuenca, Cátia S Janota, Edgar R Gomes
The position of the nucleus within cells is a key event during cell migration. The movement and positioning of the nucleus strongly impacts cell migration. Notably, the last two years largely contributed to emphasise the dynamicity of the nucleus-cytoskeleton interactions that occur during cell migration. Nuclei are under continuous tension from opposing intracellular forces and its tether to the cytoskeleton can be regulated at different levels. Interestingly, it was showed how nuclear positioning is highly related to cell function...
February 14, 2018: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/29454264/development-and-validation-of-uplc-ms-ms-assay-for-quantification-of-cladrin-absolute-bioavailability-and-dose-proportionality-study-in-rats
#4
Mamunur Rashid, Sandeep K Singh, Mohd Yaseen Malik, Sadaf Jahan, Swati Chaturvedi, Isha Taneja, Kanumuri Sivarama Raju, Zaiba Naseem, J R Gayen, Muhammad Wahajuddin
Cladrin, an isoflavone is a major bioactive constituent found in stem bark of Butea monosperma with remarkable osteogenic activity. A speedy and sensitive UPLC coupled tandem mass spectrometry (UPLC-MS/MS) method was developed, validated and successfully applied to bioavailability, blood partitioning, plasma protein binding, intravenous and multiple-dose oral pharmacokinetics of cladrin in rats. Separation was done on C18 column (5.0 μm, 4.6 × 50 mm) using mobile phase containing acetonitrile and 0.10% formic acid in the ratio of 65:35 (v/v) with 0...
January 31, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29454261/frequency-of-somatic-tp53-mutations-in-combination-with-known-pathogenic-mutations-in-colon-adenocarcinoma-non-small-cell-lung-carcinoma-and-gliomas-as-identified-by-next-generation-sequencing
#5
Zahra Shajani-Yi, Francine B de Abreu, Jason D Peterson, Gregory J Tsongalis
The tumor suppressor gene TP53 is the most frequently mutated gene in human cancer. It encodes p53, a DNA-binding transcription factor that regulates multiple genes involved in DNA repair, metabolism, cell cycle arrest, apoptosis, and senescence. TP53 is associated with human cancer by mutations that lead to a loss of wild-type p53 function as well as mutations that confer alternate oncogenic functions that enable them to promote invasion, metastasis, proliferation, and cell survival. Identifying the discrete TP53 mutations in tumor cells may help direct therapies that are more effective...
February 13, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29454256/five-month-old-infants-have-expectations-for-the-accumulation-of-nonsolid-substances
#6
Erin M Anderson, Susan J Hespos, Lance J Rips
Infants fail to represent quantities of non-cohesive substances in paradigms where they succeed with solid objects. Some investigators have interpreted these results as evidence that infants do not yet have representations for substances. More recent research, however, shows that 5-month-old infants expect objects and substances to behave and interact in different ways. In the present experiments, we test whether infants have expectations for substances when the outcomes are not simply the opposite of those for objects...
February 14, 2018: Cognition
https://www.readbyqxmd.com/read/29454255/effects-of-adjunctive-eslicarbazepine-acetate-on-neurocognitive-functioning-in-children-with-refractory-focal-onset-seizures
#7
Sergiusz Jóźwiak, P Veggiotti, J Moreira, H Gama, F Rocha, P Soares-da-Silva
PURPOSE: This was a phase-II, randomized, double-blind (DB), placebo-controlled study aimed to evaluate neurocognitive effects of eslicarbazepine acetate (ESL) as adjunctive therapy in pediatric patients with refractory focal-onset seizures (FOS). METHODS: Children (6-16years old) with FOS were randomized (2:1) to ESL or placebo. Treatment started at 10mg/kg/day, was up-titrated up to 30mg/kg/day (target dose), and maintained for 8weeks, followed by one-year open-label follow-up...
February 13, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29454250/disulphide-linkage-to-get-cleaved-or-not-bulk-and-nano-copper-based-sers-of-cystine
#8
Arathi P J, Bhaskar Seemesh, Rajendra Kumar Reddy G, Suresh Kumar P, Ramanathan V
Different nano-structures of noble metals have been the conventional substrates for carrying out Surface Enhanced Raman Spectroscopy (SERS). In this paper we examine electrodeposited copper (Cu) nano-structures on pencil graphite as novel substrate to carry out SERS measurements by considering l-cystine (Cys-Cys) (dimer of the amino acid cysteine) as the probe. The formation of monolayer of the probe molecule on the substrates was confirmed using cyclic voltammetric measurements. Mode of adsorption of Cys-Cys was observed to be different on bulk Cu (taken in the wire form) and nano-structured Cu on pencil graphite...
February 5, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29454249/dft-study-of-electron-absorption-and-emission-spectra-of-pyramidal-lnpc-oac-complexes-of-some-lanthanide-ions-in-the-solid-state
#9
J Hanuza, P Godlewska, R Lisiecki, W Ryba-Romanowski, P Kadłubański, J Lorenc, A Łukowiak, L Macalik, Yu Gerasymchuk, J Legendziewicz
The electron absorption and emission spectra were measured for the pyramidal LnPc(OAc) complexes in the solid state and co-doped in silica glass, where Ln=Er, Eu and Ho. The theoretical electron spectra were determined from the quantum chemical DFT calculation using four approximations CAM-B3LYP/LANL2DZ, CAM-B3LYP/CC-PVDZ, B3LYP/LANL2DZ and B3LYP/CC-PVDZ. It was shown that the best agreement between the calculated and experimental structural parameters and spectroscopic data was reached for the CAM-B3LYP/LANL2DZ model...
January 4, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29454223/attention-as-the-glue-for-object-integration-in-parietal-extinction
#10
Markus Conci, Julia Groß, Ingo Keller, Hermann J Müller, Kathrin Finke
Patients with unilateral, parietal brain damage frequently show visual extinction, which manifests in a failure to identify contralesional stimuli when presented simultaneously with other, ipsilesional stimuli (but full awareness for single stimulus presentations). Extinction reflects an impairment of spatial selective attention, leaving basic preattentive processing unaffected. For instance, access to bilaterally grouped objects is usually spared in extinction, suggesting that grouping occurs at a stage preceding (in the patients: abnormally biased) spatial-attentional selection...
January 31, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29454215/effect-based-trigger-values-for-in-vitro-and-in-vivo-bioassays-performed-on-surface-water-extracts-supporting-the-environmental-quality-standards-eqs-of-the-european-water-framework-directive
#11
Beate I Escher, Selim Aїt-Aїssa, Peter A Behnisch, Werner Brack, François Brion, Abraham Brouwer, Sebastian Buchinger, Sarah E Crawford, David Du Pasquier, Timo Hamers, Karina Hettwer, Klára Hilscherová, Henner Hollert, Robert Kase, Cornelia Kienle, Andrew J Tindall, Jochen Tuerk, Ron van der Oost, Etienne Vermeirssen, Peta A Neale
Effect-based methods including cell-based bioassays, reporter gene assays and whole-organism assays have been applied for decades in water quality monitoring and testing of enriched solid-phase extracts. There is no common EU-wide agreement on what level of bioassay response in water extracts is acceptable. At present, bioassay results are only benchmarked against each other but not against a consented measure of chemical water quality. The EU environmental quality standards (EQS) differentiate between acceptable and unacceptable surface water concentrations for individual chemicals but cannot capture the thousands of chemicals in water and their biological action as mixtures...
February 14, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29454185/preterm-infants-undergoing-laparotomy-for-necrotizing-enterocolitis-or-spontaneous-intestinal-perforation-display-evidence-of-impaired-cerebrovascular-autoregulation
#12
Sara J Kuik, Michelle E van der Laan, Margot T Brouwer-Bergsma, Jan B F Hulscher, Anthony R Absalom, Arend F Bos, Elisabeth M W Kooi
BACKGROUND: Preterm infants requiring surgery are at risk of impaired neurocognitive development caused, possibly, by cerebral ischemia associated with impaired cerebrovascular autoregulation (CAR). We evaluated CAR before, during, and after laparotomy. STUDY DESIGN: This was a hypothesis generating prospective observational cohort study. SUBJECTS: We included preterm infants requiring surgery for necrotizing enterocolitis (NEC) or spontaneous intestinal perforation (SIP)...
February 14, 2018: Early Human Development
https://www.readbyqxmd.com/read/29454179/race-ethnicity-and-racial-group-composition-moderate-the-effectiveness-of-mindfulness-based-relapse-prevention-for-substance-use-disorder
#13
Brenna L Greenfield, Corey Roos, Kylee J Hagler, Elena Stein, Sarah Bowen, Katie A Witkiewitz
INTRODUCTION: Mindfulness-based relapse prevention has shown promise as a treatment for substance use disorder but its efficacy according to racial/ethnic minority status and group composition is unknown. METHOD: This is a secondary analysis of existing data (Bowen et al., 2014) testing individual race/ethnicity and racial/ethnic group composition as moderators of mindfulness-based relapse prevention (MBRP). Participants (N = 191; 29% female; 47% racial/ethnic minority; mean age = 39) with substance use disorder were randomized to MBRP or relapse prevention (RP)...
February 7, 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/29454178/caffeine-use-disorder-an-item-response-theory-analysis-of-proposed-dsm-5-criteria
#14
Csilla Ágoston, Róbert Urbán, Mara J Richman, Zsolt Demetrovics
INTRODUCTION: Caffeine is a common psychoactive substance with a documented addictive potential. Caffeine withdrawal has been included in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), but caffeine use disorder (CUD) is considered to be a condition for further study. The aim of the current study is (1) to test the psychometric properties of the Caffeine Use Disorder Questionnaire (CUDQ) by using a confirmatory factor analysis and an item response theory (IRT) approach, (2) to compare IRT models with varying numbers of parameters and models with or without caffeine consumption criteria, and (3) to examine if the total daily caffeine consumption and the use of different caffeinated products can predict the magnitude of CUD symptomatology...
February 9, 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/29454163/exacerbations-in-adults-with-asthma-a-systematic-review-and-external-validation-of-prediction-models
#15
Rik Jb Loymans, Thomas Pa Debray, Persijn J Honkoop, Evelien H Termeer, Jiska B Snoeck-Stroband, Tjard Rj Schermer, Willem Jj Assendelft, Merel Timp, Kian Fan Chung, Ana R Sousa, Jaap K Sont, Peter J Sterk, Helen K Reddel, Gerben Ter Riet
BACKGROUND: Several prediction models assessing future risk of exacerbations in adult patients with asthma have been published. Applicability of these models is uncertain because their predictive performance has often not been assessed beyond the population in which they were derived. OBJECTIVE: This study aimed to identify and critically appraise prediction models for asthma exacerbations and validate them in two clinically distinct populations. METHODS: PubMed and EMBASE were searched to April 2017 for reports describing adult asthma populations in which multivariable models were constructed to predict exacerbations during any time frame...
February 14, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29454158/polyisocyanopeptide-hydrogels-a-novel-thermo-responsive-hydrogel-supporting-pre-vascularization-and-the-development-of-organotypic-structures
#16
Jakub Zimoch, Joan Simó Padial, Agnes S Klar, Queralt Vallmajo-Martin, Martin Meuli, Thomas Biedermann, Christopher J Wilson, Alan Rowan, Ernst Reichmann
Molecular and mechanical interactions with the 3D extracellular matrix are essential for cell functions such as survival, proliferation, migration, and differentiation. Thermo-responsive biomimetic polyisocyanopeptide (PIC) hydrogels are promising new candidates for 3D cell, tissue, and organ cultures. This is a synthetic, thermo-responsive and stress-stiffening material synthesized via polymerization of the corresponding monomers using a nickel perchlorate as a catalyst. It can be tailored to meet various demands of cells by modulating its stiffness and through the decoration of the polymer with short GRGDS peptides using copper free click chemistry...
February 14, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29454155/immune-checkpoint-inhibitors-in-non-small-cell-lung-cancer-nsclc-approaches-on-special-subgroups-and-unresolved-burning-questions
#17
REVIEW
J Remon, N Vilariño, N Reguart
Immune checkpoint inhibitors (ICIs) have been incorporated in the treatment strategy of advanced non-small cell lung cancer (NSCLC). Beyond the already approved indications in first- and second-line setting of advanced NSCLC, new data has recently emerged demonstrating its efficacy in locally advanced disease as maintenance after chemo-radiotherapy and currently several trials are also exploring its efficacy in earlier stages of the disease to evaluate whether these results could be extrapolated to the adjuvant setting...
February 8, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29454141/a-cluster-randomized-pilot-trial-of-a-tailored-worksite-smoking-cessation-intervention-targeting-hispanic-latino-construction-workers-intervention-development-and-research-design
#18
Taghrid Asfar, Alberto J Caban-Martinez, Laura A McClure, Estefania C Ruano-Herreria, Danielle Sierra, G Gilford Clark, Daniel Samano, Noella A Dietz, Kenneth D Ward, Kristopher L Arheart, David J Lee
Construction workers have the highest smoking rate among all occupations (39%). Hispanic/Latino workers constitute a large and increasing group in the US construction industry (over 2.6 million; 23% of all workers). These minority workers have lower cessation rates compared to other groups due to their limited access to cessation services, and lack of smoking cessation interventions adapted to their culture and work/life circumstances. Formative research was conducted to create an intervention targeting Hispanic/Latino construction workers...
February 14, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29454139/implantation-of-the-subcutaneous-implantable-cardioverter-defibrillator-with-truncal-plane-blocks
#19
Marc A Miller, Himani V Bhatt, Menachem Weiner, Tom F Brouwer, Alexander J Mittnacht, Ali Shariat, Christina Jeng, Caroline Eden, Hung-Mo Lin, Benjamin Salter, Srinivas R Dukkipati, Vivek Y Reddy
No abstract text is available yet for this article.
February 14, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29454131/self-reported-headaches-in-patients-with-unruptured-intracranial-aneurysms-treated-with-the-pipeline-embolization-device
#20
Anna M Schneider, Justin M Moore, Nimer Adeeb, Raghav Gupta, Christoph J Griessenauer, Peter A Winkler, Sarah Sieber, Abdulrahman Y Alturki, Christopher S Ogilvy, Ajith J Thomas
INTRODUCTION: The objective of this study was to analyze patients' perceptions of their headaches both prior to and following Pipeline flow diversion treatment of their unruptured intracranial aneurysms, with the goal of identifying prognostic factors associated with headache patterns to improve predictions of overall outcomes. MATERIALS AND METHODS: We retrospectively identified 133 patients treated with the PED between January 1 st 2014 and December 31 st 2016 at an academic institution in the United States...
February 14, 2018: World Neurosurgery
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