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https://www.readbyqxmd.com/read/29778085/braf-and-mek-inhibitor-therapy-eliminates-nestin-expressing-melanoma-cells-in-human-tumors
#1
Deon B Doxie, Allison R Greenplate, Jocelyn S Gandelman, Kirsten E Diggins, Caroline E Roe, Kimberly B Dahlman, Jeffrey A Sosman, Mark C Kelley, Jonathan M Irish
Little is known about the in vivo impacts of targeted therapy on melanoma cell abundance and protein expression. Here, 21 antibodies were added to an established melanoma mass cytometry panel to measure 32 cellular features, distinguish malignant cells, and characterize dabrafenib and trametinib responses in BRAFV 600mut melanoma. Tumor cells were biopsied before neoadjuvant therapy and compared to cells surgically resected from the same site after 4 weeks of therapy. Approximately 50,000 cells per tumor were characterized by mass cytometry and computational tools t-SNE/viSNE, FlowSOM, and MEM...
May 19, 2018: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/29778082/a-review-of-the-impacts-of-tobacco-heating-system-on-indoor-air-quality-versus-conventional-pollution-sources
#2
REVIEW
Violeta Kaunelienė, Marija Meišutovič-Akhtarieva, Dainius Martuzevičius
With the introduction of novel and potentially less polluting nicotine containing products to the market, the impacts of their usage to indoor air quality as opposed to conventional pollution sources must be reviewed and considered. This review study aimed to comparatively analyse changes in indoor air quality as the consequence of tobacco heating system (THS) generated pollution against general indoor air quality in various micro-environments, especially with combustion-based pollution sources present. Indoor concentrations of formaldehyde, acetaldehyde, benzene, toluene, nicotine and PM2...
May 8, 2018: Chemosphere
https://www.readbyqxmd.com/read/29778081/molecular-aspect-of-silver-nanoparticles-regulated-embryonic-development-in-zebrafish-danio-rerio-by-oct-4-expression
#3
Biplab Sarkar, Suresh K Verma, Javed Akhtar, Surya Prakash Netam, Sanjay Kr Gupta, Pritam Kumar Panda, Koel Mukherjee
With the enhancement of commercial manifestation of silver nanoparticles, concerned has risen on their accumulation in aquatic system and consequent effects on fish development and metabolism. In this study, experiments were conducted to assess the impacts of silver nanoparticles on early life cycles of fish considering Zebrafish (Danio rerio) as experimental model. Silver nanoparticles were synthesized through chemical reduction method and characterized through UV-visible spectroscopy, dynamic light scattering (DLS), and HR-TEM...
May 4, 2018: Chemosphere
https://www.readbyqxmd.com/read/29778079/advances-in-understanding-the-response-of-fish-to-linear-alcohols-in-the-environment
#4
Scott E Belanger, Jane M Rawlings, Ricky Stackhouse
Short to long chain alcohols have a range of ecotoxicity to aquatic life driven by hydrophobic interactions with biological membranes. Carbon chain length and octanol:water partitioning coefficients are surrogates for hydrophobicity and strongly relate to aquatic toxicity. In these investigations, the toxicity of ethanol to 1-n-dodecanol to juvenile fish in standard acute toxicity tests is reviewed. Toxicity tests employing fish embryos (zebrafish Danio rerio and fathead minnow Pimephales promelas) in the Fish Embryo Test (OECD 236) format were conducted from C2 to C10 to compare against standard juvenile fish toxicity...
April 25, 2018: Chemosphere
https://www.readbyqxmd.com/read/29778066/transport-of-trace-organic-compounds-through-novel-forward-osmosis-membranes-role-of-membrane-properties-and-the-draw-solution
#5
Marc Sauchelli, Giuseppe Pellegrino, Arnout D'Haese, Ignasi Rodríguez-Roda, Wolfgang Gernjak
Forward osmosis (FO) offers to be a very promising technology for the removal of trace organic compounds (TrOCs) from contaminated wastewater, and with the recent developments in FO membranes, the effect of both a higher water flux and reverse salt flux on the rejection of TrOCs needs to be explored. In this study two novel thin-film composite (TFC) membranes with greater water permeability and selectivity than the benchmark cellulose tri-acetate (CTA) membrane were compared at bench-scale in terms of TrOCs permeability...
May 5, 2018: Water Research
https://www.readbyqxmd.com/read/29778063/comparison-of-three-dimensional-multi-segmental-foot-models-used-in-clinical-gait-laboratories
#6
Kristen Nicholson, Chris Church, Colton Takata, Tim Niiler, Brian Po-Jung Chen, Nancy Lennon, Julie P Sees, John Henley, Freeman Miller
BACKGROUND: Many skin-mounted three-dimensional multi-segmented foot models are currently in use for gait analysis. Evidence regarding the repeatability of models, including between trial and between assessors, is mixed, and there are no between model comparisons of kinematic results. RESEARCH QUESTION: This study explores differences in kinematics and repeatability between five three-dimensional multi-segmented foot models. The five models include duPont, Heidelberg, Oxford Child, Leardini, and Utah...
May 16, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29778060/experimental-investigation-of-material-nonlinearity-using-the-rayleigh-surface-waves-excited-and-detected-by-angle-beam-wedge-transducers
#7
Shuzeng Zhang, Xiongbing Li, Hyunjo Jeong, Hongwei Hu
Angle beam wedge transducers are widely used in nonlinear Rayleigh wave experiments as they can generate Rayleigh wave easily and produce high intensity nonlinear waves for detection. When such a transducer is used, the spurious harmonics (source nonlinearity) and wave diffraction may occur and will affect the measurement results, so it is essential to fully understand its acoustic nature. This paper experimentally investigates the nonlinear Rayleigh wave beam fields generated and received by angle beam wedge transducers, in which the theoretical predictions are based on the acoustic model developed previously for angle beam wedge transducers [S...
May 12, 2018: Ultrasonics
https://www.readbyqxmd.com/read/29778055/new-insights-into-the-effects-of-support-matrix-on-the-removal-of-organic-micro-pollutants-and-the-microbial-community-in-constructed-wetlands
#8
Liang Zhang, Tao Lyu, Carlos Andrés Ramírez Vargas, Carlos A Arias, Pedro N Carvalho, Hans Brix
Constructed wetlands (CWs) are an eco-friendly and cost-effective technology to remove organic micro-pollutants (OMPs) from wastewater. The support matrix is an important component in CWs as it has a primary role in the growth and development of plants and microbes. However, the roles of the support matrix in CWs in removing OMPs have not been systematically studied. Therefore, in this study, six common materials (sand, zeolite, blast iron slag, petcoke, polonite and crushed autoclaved aerated concrete (CAAC)) as support matrixes were firstly investigated by batch tests to explore their adsorption capacities to selected OMPs (ibuprofen, iohexol, tebuconazole and imazalil)...
May 16, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29778053/attention-deficit-hyperactivity-disorder-symptoms-and-happiness-among-adults-in-the-general-population
#9
Andrew Stickley, Ai Koyanagi, Hidetoshi Takahashi, Vladislav Ruchkin, Yosuke Inoue, Aki Yazawa, Yoko Kamio
Despite an increasing focus on the role of mood and emotions in attention-deficit/hyperactivity disorder (ADHD), as yet, there has been comparatively little research on positive emotions. To address this research gap, the current study examined the association between ADHD symptoms and happiness using data from the 2007 Adult Psychiatric Morbidity Survey. The analytic sample comprised 7274 adults aged 18 and above residing in private households in England. Information was collected on ADHD symptoms using the Adult ADHD Self-Report Scale (ASRS) Screener, while happiness was assessed with a single (3-point) measure...
May 5, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29778052/self-reported-nonsuicidal-self-injury-nssi-and-sex-as-self-injury-sasi-relationship-to-abuse-risk-behaviors-trauma-symptoms-self-esteem-and-attachment
#10
Maria Zetterqvist, Carl Göran Svedin, Cecilia Fredlund, Gisela Priebe, Marie Wadsby, Linda S Jonsson
This study focuses on a conceptually unexplored behavior among adolescents who report deliberately using sex as a means of self-injury. In a large high school-based sample (n = 5743), adolescents who engaged in sex as self-injury (SASI, n = 43) were compared to adolescents who reported direct nonsuicidal self-injury (NSSI, n = 933) and those who reported both NSSI and SASI (n = 82). Results showed that significantly more adolescents with SASI had experience of penetrating sexual abuse, as well as more sexual partners compared to those with NSSI...
May 7, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29778051/assessing-psychopathy-in-forensic-schizophrenia-spectrum-disorders-validating-the-comprehensive-assessment-of-the-psychopathic-personality-institutional-rating-scale-capp-irs
#11
Louis De Page, Sophie Mercenier, Pierre Titeca
The assessment of psychopathy in (forensic) schizophrenia spectrum disorders is long-standing debate. In the present study, we investigated the psychometric properties of the Comprehensive Assessment of Psychopathic Personality-Institutional Rating Scale (CAPP-IRS) in a sample of 72 male forensic patients with a primary diagnosis of schizophrenia spectrum disorders. We compared the CAPP-IRS' psychometric properties to those of the Psychopathy Checklist-Revised (PCL-R). The CAPP-IRS showed good interrater reliability and internal consistency except for the CAPP-IRS Cognition and Emotional Domains...
May 16, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29778042/reliability-and-validity-of-the-dymus-questionnaire-for-the-assessment-of-dysphagia-in-multiple-sclerosis-greek-version-and-proposed-modification
#12
Athanasia Printza, Maria Kalaitzi, Christos Bakirtzis, Ioannis Nikolaidis, Hariklia Proios, Nikolaos Grigoriadis
BACKGROUND: Recent research confirmed that at least a third of people with multiple sclerosis (MS) are suffering from swallowing difficulties. Dysphagia is associated with significant morbidity and mortality, and has profound impact on physical ability and quality of life. Dysphagia related complications can be prevented through an effective screening protocol. The Dysphagia in Multiple Sclerosis (DYMUS) questionnaire is the first dysphagia questionnaire developed specifically for patients with MS...
May 10, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29778034/early-discharge-of-patients-with-pulmonary-embolism-in-daily-clinical-practice-a-prospective-observational-study-comparing-clinical-gestalt-and-clinical-rules
#13
Simone Vanni, Cecilia Becattini, Peiman Nazerian, Carlo Bova, Valerio Teodoro Stefanone, Ludovica Anna Cimini, Gabriele Viviani, Cosimo Caviglioli, Michela Sanna, Giuseppe Pepe, Stefano Grifoni
OBJECTIVES: To estimate the efficiency and safety of clinicians' gestalt in the identification of patients with pulmonary embolism (PE) candidates for early discharge and to compare the efficiency and safety of clinical gestalt with that of the Pulmonary Embolism Severity Index (PESI), the simplified PESI (sPESI) and the Hestia criteria (HC). METHODS: Consecutive adult patients presenting to the emergency department of four Italian hospitals with confirmed diagnosis of PE were included...
May 8, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29778030/retrospective-genotype-phenotype-analysis-in-a-305-patient-cohort-referred-for-testing-of-a-targeted-epilepsy-panel
#14
Andrew N Hesse, Jennifer Bevilacqua, Kritika Shankar, Honey V Reddi
PURPOSE: Epilepsy is a diverse neurological condition with extreme genetic and phenotypic heterogeneity. The introduction of next-generation sequencing into the clinical laboratory has made it possible to investigate hundreds of associated genes simultaneously for a patient, even in the absence of a clearly defined syndrome. This has resulted in the detection of rare and novel mutations at a rate well beyond our ability to characterize their effects. This retrospective study reviews genotype data in the context of available phenotypic information on 305 patients spanning the epileptic spectrum to identify established and novel patterns of correlation...
May 16, 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29778027/influence-of-gastrointestinal-tract-on-metabolism-of-bisphenol-a-as-determined-by-in-vitro-simulated-system
#15
Yonghua Wang, Min Rui, Yang Nie, Guanghua Lu
Oral exposure is a major route of human bisphenol A (BPA) exposure. However, influence of gastrointestinal tract on BPA metabolism is unavailable. In this study, in vitro simulator of the human intestinal microbial ecosystem (SHIME) was applied to investigate the changes in bioaccessibility and metabolism of BPA in different parts of gastrointestinal tract (stomach, small intestine and colon). Then the human hepatoma cell line HepG2 was employed to compare toxic effects of BPA itself and effluents of SHIME system on hepatic gene expression profiles...
May 7, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29778022/low-cost-composited-accelerants-for-anaerobic-digestion-of-dairy-manure-focusing-on-methane-yield-digestate-utilization-and-energy-evaluation
#16
Chen Zhang, Sining Yun, Xue Li, Ziqi Wang, Hongfei Xu, Tingting Du
To improve the methane yield and digestate utilization of anaerobic digestion (AD), low-cost composited accelerants consisting of urea (0.2-0.5%), bentonite (0.5-0.8%), active carbon (0.6-0.9%), and plant ash (0.01-0.3%) were designed and tested in batch experiments. Total biogas yield (485.7-681.9 mL/g VS) and methane content (63.0-66.6%) were remarkably enhanced in AD systems by adding accelerants compared to those of control group (361.9 mL/g VS, 59.4%). Composited accelerant addition led to the highest methane yield (454...
May 11, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29778021/the-homing-of-human-umbilical-cord-derived-mesenchymal-stem-cells-and-the-subsequent-modulation-of-macrophage-polarization-in-type-2-diabetic-mice
#17
Yaqi Yin, Haojie Hao, Yu Cheng, Jieqing Gao, Jiejie Liu, Zongyan Xie, Qi Zhang, Li Zang, Weidong Han, Yiming Mu
Umbilical cord-derived mesenchymal stem cells (UC-MSCs), with both immunomodulatory and pro-regenerative properties, are promising for the treatment of type 2 diabetes mellitus (T2DM). As efficient cell therapy largely relies on appropriate homing to target tissues, knowing where and to what extent injected UC-MSCs have homed is critically important. However, bio-distribution data for UC-MSCs in T2DM subjects are extremely limited. Beneficial effects of UC-MSCs on T2DM subjects are associated with increased M2 macrophages, but no systemic evaluation of M2 macrophages has been performed in T2DM individuals...
May 15, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29778020/eosin-y-sensitized-core-shell-tio-2-zno-nano-structured-photoanodes-for-dye-sensitized-solar-cell-applications
#18
V S Manikandan, Akshaya K Palai, Smita Mohanty, Sanjay K Nayak
In the current investigation, TiO2 and TiO2 -ZnO (core-shell) spherical nanoparticles were synthesized by simple combined hydrolysis and refluxing method. A TiO2 core nanomaterial on the shell material of ZnO was synthesized by utilizing variable ratios of ZnO. The structural characterization of TiO2 -ZnO core/shell nanoparticles were done by XRD analysis. The spherical structured morphology of the TiO2 -ZnO has been confirmed through field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) studies...
May 3, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29778019/phoenix-dactylifera-protects-against-oxidative-stress-and-hepatic-injury-induced-by-paracetamol-intoxication-in-rats
#19
Gamal A Salem, Ahmed Shaban, Hussain A Diab, Wesam A Elsaghayer, Manal D Mjedib, Aomassad M Hnesh, Ravi P Sahu
The current studies were sought to determine effects of antioxidant potential of aqueous and methanolic extracts of Phoenix dactylifera leaves (PLAE and PLME) against the widely-used analgesic paracetamol (PCM) induced hepatotoxicity. Groups of rats were treated with or without PCM (1500 mg/kg), PLAE and PLME (300 mg/kg) and n-acetylcysteine (NAC, 50 mg/kg) followed by assessments of liver function tests, oxidative stress, antioxidant defenses, and hepatotoxicity. We observed that PCM significantly elevated serum liver markers, aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), gamma glutamyl transferase (GGT), and bilirubin compared to control (untreated) group...
May 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29778015/dietary-ala-epa-and-dha-have-distinct-effects-on-oxylipin-profiles-in-female-and-male-rat-kidney-liver-and-serum
#20
Shan Leng, Tanja Winter, Harold M Aukema
There is much data on the effects of dietary n-3 fatty acids on tissue fatty acid compositions, but comparable comprehensive data on their oxygenated metabolites (oxylipins) is limited. The effects of providing female and male rats with diets high in α-linolenic acid (ALA), EPA or DHA for 6 weeks on oxylipins and fatty acids in kidney, liver and serum were therefore examined. The oxylipin profile generally reflected fatty acids, but it also revealed unique effects of individual n-3 fatty acids that were not apparent from fatty acid data alone...
April 18, 2018: Journal of Nutritional Biochemistry
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