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https://www.readbyqxmd.com/read/28719736/cd326-epcam-testing-by-flow-cytometric-berep4-antibody-is-a-useful-and-rapid-adjunct-to-histopathology
#1
Pranav Dorwal, Helen Moore, Pam Stewart, Barbara Harrison, Julie Monaghan
Flow cytometry has been traditionally used to diagnose leukaemia and lymphoma in peripheral blood, bone marrow, body fluids and tissue samples. The diagnosis of a malignant epithelial tumour is usually made by correlation between histopathologic appearance and the use of immunohistochemical staining. A CE approved BerEP4 antibody (anti-EpCAM, CD326) is available for flow cytometric testing, but has been evaluated predominantly in body fluids in the current literature. In this study, we have evaluated the performance of this antibody in detecting the presence of epithelial cells in tissue samples which have traditionally been reported as CD45 negative cells by flow cytometry...
July 18, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28719732/genome-wide-association-meta-analysis-reveals-novel-juvenile-idiopathic-arthritis-susceptibility-loci
#2
Laura A McIntosh, Miranda C Marion, Marc Sudman, Mary E Comeau, Mara L Becker, John F Bohnsack, Tasha E Fingerlin, Thomas A Griffin, J Peter Haas, Daniel J Lovell, Lisa A Maier, Peter A Nigrovic, Sampath Prahalad, Marilynn Punaro, Carlos D Rosé, Carol A Wallace, Carol A Wise, Halima Moncrieffe, Timothy D Howard, Carl D Langefeld, Susan D Thompson
OBJECTIVE: Juvenile idiopathic arthritis (JIA) is the most common childhood rheumatic disease and has a strong genomic component. To date, JIA genetic association studies have had limited sample sizes, used heterogeneous patient populations, or included only candidate regions. This study focuses on identifying new associations among oligoarticular and polyarticular rheumatoid factor negative (RF(-) ) JIA, which are clinically similar and the most prevalent JIA disease subtypes. METHODS: Three cohorts totaling 2,751 oligoarticular and polyarticular RF(-) JIA cases were genotyped on the Affymetrix Genome-Wide SNP Array 6...
July 18, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28719731/anatomical-vs-functional-motor-points-of-selected-upper-body-muscles
#3
Alexander Franz, Joschua Klaas, Moritz Schumann, Thomas Frankewitsch, Timm J Filler, Michael Behringer
Introduction We aimed to identify nerve entry points (NEP) of superficial skeletal muscles obtained by dissection of 20 human cadavers and to compare those to motor points (MP) previously obtained by electrical stimulation. Methods The biceps brachii- (BB), trapezius (TZ), latissimus dorsi (LD), pectoralis major (Pmaj) and pectoralis minor muscles (Pmin) were dissected from human cadavers. Mean values ±SD of the NEPs of each muscle were calculated. F-tests with Bonferroni corrections were used to compare NEPs and MPs...
July 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28719723/de-novo-hhv-8-tumors-induced-by-rituximab-in-autoimmune-or-inflammatory-systemic-diseases
#4
Amandine Perier, Léa Savey, Anne-Geneviève Marcelin, Philippe Serve, David Saadoun, Stéphane Barete
OBJECTIVES: HHV-8, also known as Kaposi's sarcoma (KS) associated herpesvirus is involved in KS and other tumors comprising multicentric Castleman disease (MCD) and primary effusion lymphoma (PEL). Rituximab is currently used for treatment of several autoimmune or inflammatory diseases and humoral organ rejection. De novo HHV-8 induced tumors by rituximab used for autoimmune or inflammatory diseases or humoral organ rejection have not been reported. METHODS: In this retrospective study, we report clinical, virological and pathology of five HIV-negative male patients with HHV-8-induced tumors following rituximab therapy...
July 18, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28719150/can-principles-of-the-surface-potential-be-combined-with-knowledge-of-natural-products-to-reduce-atrial-rhythm-disturbances
#5
EDITORIAL
H Ni, K Narsingani, H Zhang, W R Giles
Long lasting or chronic electrophysiological abnormalities in human atria are significant contributors to morbidity during healthy aging. Although both paroxysmal (brief) and chronic atrial fibrillation (AF) were considered to be benign; the notable association between maintained AF and stroke has resulted in AF now being a target for surgical intervention (ablation) and/or drug therapy. An interesting, forward looking paper from the Elinder Group(1) in this issue of Acta Physiologica reveals novel pharmacological agents and principles that could be the basis for more effective antiarrhythmic therapies for AF...
July 18, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28719147/human-immunology-studies-using-organ-donors-impact-of-clinical-variations-on-immune-parameters-in-tissues-and-circulation
#6
D J Carpenter, T Granot, N Matsuoka, T Senda, B V Kumar, J J C Thome, C L Gordon, M Miron, J Weiner, T Connors, H Lerner, A Friedman, T Kato, A D Griesemer, D L Farber
Organ donors are sources of physiologically healthy organs and tissues for life-saving transplantation, and have been recently used for human immunology studies which are typically confined to the sampling of peripheral blood. Donors comprise a diverse population with different causes of death and clinical outcomes during hospitalization, and the effects of such variations on immune parameters in blood and tissues are not known. We present here coordinate analyses of innate and adaptive immune components in blood, lymphoid (bone marrow, spleen, lymph nodes), and mucosal (lungs, intestines) sites from a population of brain-dead organ donors (3-months-93-years; n=291) across eight clinical parameters...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28719143/osteoporotic-vertebral-fracture-prevalence-varies-widely-between-radiological-assessment-methods-the-rotterdam-study
#7
L Oei, F Koromani, S J Breda, J T Schousboe, E M Clark, Jbj van Meurs, M A Ikram, J H Waarsing, Fja van Rooij, M C Zillikens, G P Krestin, Ehg Oei, F Rivadeneira
BACKGROUND: Accurate diagnosis of vertebral osteoporotic fractures is crucial for the identification of individuals at high risk of future fractures. Different methods for radiological assessment of vertebral fractures exist, but a gold standard is lacking. The aim of our study was to estimate statistical measures of agreement and prevalence of osteoporotic vertebral fractures in the population-based Rotterdam Study, across the two most commonly applied assessment methods. METHODS: The quantitative morphometry (QM) method, evaluates vertebral height loss that affects vertebral shape whereas the algorithm based qualitative (ABQ) method judges endplate integrity and includes guidelines for the differentiation of vertebral fracture and non- fracture deformities...
July 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28719141/neonatal-infection-produces-significant-changes-in-immune-function-with-no-associated-learning-deficits-in-juvenile-rats
#8
Brittany F Osborne, Jasmine I Caulfield, Samantha A Solomotis, Jaclyn M Schwarz
The current experiments examined the impact of early-life immune activation and a subsequent mild immune challenge with lipopolysaccharide (LPS; 25µg/kg) on hippocampal-dependent learning, proinflammatory cytokine expression in the brain, and peripheral immune function in juvenile male and female rats at P24, an age when hippocampal-dependent learning and memory first emerges. Our results indicate that neonatal infection did not produce learning deficits in the hippocampal-dependent context pre-exposure facilitation effect (CPFE) paradigm in juvenile males and females, contrary to what has been observed in adults...
July 18, 2017: Developmental Neurobiology
https://www.readbyqxmd.com/read/28719139/identification-of-metabolites-in-human-and-rat-urine-after-oral-administration-of-xiao-qing-long-tang-granule-using-ultra-high-performance-liquid-chromatography-combined-with-quadrupole-time-of-flight-mass-spectrometry
#9
Lei Zhou, Qiang Zhang, Wen Qi, Shuai Yan, Jialin Qu, Toshiaki Makino, Dan Yuan
Xiao-Qing-Long-Tang is a traditional Chinese formula used for the treatment of cold syndrome, bronchitis, and nasal allergies for thousands of years. However, the in vivo integrated metabolism of its multiple components and the active chemical constituents of Xiao-Qing-Long-Tang remain unknown. In this study, a method using ultra high performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry was established for the detection and identification of the metabolites in human and rat urine after oral administration of Xiao-Qing-Long-Tang...
July 18, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28719137/neocortical-developmental-analysis-of-vasculature-and-their-growth-factors-offer-new-insight-into-fragile-x-syndrome-abnormalities
#10
Amogh P Belagodu, Stephen Fleming, Roberto Galvez
Fragile X Syndrome (FXS) is the most common single gene cause for Autism Spectrum Disorder and the most prevalent form of inherited mental retardation. Our prior studies have demonstrated that adult FXS mice have abnormal blood vessel density (BVD) and elevated Vascular Endothelial Growth Factor A expression (VEGF-A). VEGF-A is one of the most prominent regulators of BVD, and its abnormal expression is the most likely cause for FXS BVD abnormalities. We have demonstrated that attenuating elevated VEGF-A expression can ameliorate many non-vascular FXS abnormalities(Belagodu et al...
July 18, 2017: Developmental Neurobiology
https://www.readbyqxmd.com/read/28719135/multiple-breath-washout-in-paediatric-patients-after-lung-transplantation
#11
Sylvia Nyilas, Julia Carlens, Timothy Price, Florian Singer, Carsten Müller, Gesine Hansen, Gregor Warnecke, Philipp Latzin, Nicolaus Schwerk
Forced expiratory volume in 1 second (FEV1 ) from spirometry, is the most commonly used parameter to detect early allograft dysfunction after lung transplantation (LTx). There are concerns regarding its sensitivity. Nitrogen-multiple breath washout (N2 -MBW) is sensitive at detecting early global (lung clearance index; LCI), and acinar (Sacin ) airway inhomogeneity. We investigated whether N2 -MBW indices indicate small airways pathology after LTx in children with stable spirometry. Thirty-seven children without BOS on median 1...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28719105/screening-for-hazardous-drinking-in-nursing-home-residents-evaluating-the-validity-of-the-current-cut-offs-of-the-alcohol-use-disorder-identification-test-consumption-questions-audit-c-by-using-ethyl-glucuronide-in-hair-hetg
#12
Monika Dreher-Weber, Anton-Rupert Laireiter, Anton Kühberger, Isabella Kunz, Michel Yegles, Tina Binz, Hans-Jürgen Rumpf, Rainer Hoffmann, Verena Schmidt, Siegfried Lang, Friedrich M Wurst
BACKGROUND: Because of physiological changes, elderly people are much more exposed to the adverse effects of alcohol. Therefore, hazardous drinking is defined at lower levels as compared to younger adults. This work aims to evaluate the validity of the current cut off levels of the Alcohol Use Disorder Identification Test - Consumption questions (AUDIT-C) to detect hazardous drinking in the elderly by using ethyl glucuronide in hair (HEtG). METHODS: In a border region between Austria and Germany, 344 nursing home residents were included from 33 of the 107 nursing homes...
July 18, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28719101/neuronal-degeneration-and-regeneration-induced-by-axotomy-in-the-olfactory-epithelium-of-xenopus-laevis
#13
A S Cervino, D A Paz, J L Frontera
The olfactory epithelium (OE) has the remarkable capability to constantly replace olfactory receptor neurons (ORNs) due to the presence of neural stem cells (NSCs). For this reason, the OE provides an excellent model to study neurogenesis and neuronal differentiation. In the present work, we induced neuronal degeneration in the OE of Xenopus laevis larvae by bilateral axotomy of the olfactory nerves. We found that axotomy induces specific- neuronal death through apoptosis between 24 and 48h post-injury. In concordance, there was a progressive decrease of the mature-ORN marker OMP until it was completely absent 72h post-injury...
July 18, 2017: Developmental Neurobiology
https://www.readbyqxmd.com/read/28719097/mitochondrial-proteostasis-as-a-shared-characteristic-of-slowed-aging-the-importance-of-considering-cell-proliferation
#14
Karyn L Hamilton, Benjamin F Miller
Proteostasis is one of the seven "pillars of aging research" identified by the Trans-NIH Geroscience Initiative and loss of proteostasis is associated with aging and age-related chronic disease. Maintenance of protein turnover represents an important mechanism for preserving proteome fidelity. However, measurement of protein synthesis without consideration for cell proliferation can result in an incomplete picture, devoid of information about how new proteins are being allocated. Simultaneous measurement of protein and DNA synthesis provides critical insight about proteins apportioned for newly proliferating cells versus for somatic maintenance...
July 18, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28719094/discovery-and-characterization-of-a-novel-tryptophan-hydroxylase-1-inhibitor-as-a-prodrug
#15
Hailong Shi, Yaya Cui, Yifei Qin
Serotonin (5-HT) is an important neurotransmitter and paracrine signaling molecule in the gastrointestinal tract. Two distinct tryptophan hydroxylases (TPH), TPH1 and TPH2 are the rate-limiting enzymes in the 5-HT biosynthesis process. TPH1 expression is mainly limited in the enterochromaffin cells and distributed in peripheries such as the skin and gut, while TPH2 is the predominant isoform in the CNS. In this study, mol002291 was screened as a drug-like compound from the TCM database for the inhibitor of TPH...
July 18, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28719093/bone-marrow-harvest-from-unrelated-donors-up-to-date-methodology
#16
Katarzyna Pruszczyk, Kamila Skwierawska, Małgorzata Król, Albert Moskowicz, Dariusz Jabłoński, Tigran Torosian, Iwona Piotrowska, Elżbieta Urbanowska, Wiesław Wiktor-Jędrzejczak, Emilian Snarski
OBJECTIVES: Bone marrow harvesting is one of the essential sources of stem cells for hematopoietic stem cell transplantation. We describe here the current "up to date" standard of the bone marrow harvest in unrelated stem cell donors. METHODS: We analyzed medical data of 187 unrelated hematopoietic stem cell donors who underwent bone marrow harvest without previous peripheral blood stem collection at the center between 2011 and 2015. The methodology of marrow collection includes multiple cells aimed at safety of the procedure e...
July 18, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/28719083/subtypes-of-personality-and-locus-of-control-in-bariatric-patients-and-their-effect-on-weight-loss-eating-disorder-and-depressive-symptoms-and-quality-of-life
#17
Carolin Peterhänsel, Katja Linde, Birgit Wagner, Arne Dietrich, Anette Kersting
The present study subdivided personality types in a bariatric sample and investigated their impact on weight loss and psychopathology 6 and 12 months after surgery. One hundred thirty participants answered questionnaires on personality (NEO-FFI), 'locus of control' (IPC), depression severity (BDI-II), eating disorder psychopathology (EDE-Q), and health-related quality of life (HRQoL; SF-12). K-means cluster analyses were used to identify subtypes. Two subtypes emerged: an 'emotionally dysregulated/undercontrolled' cluster defined by high neuroticism and external orientation and a 'resilient/high functioning' cluster with the reverse pattern...
July 18, 2017: European Eating Disorders Review: the Journal of the Eating Disorders Association
https://www.readbyqxmd.com/read/28719082/determination-of-seven-drugs-of-abuse-and-their-metabolites-in-surface-and-waste-water-using-solid-phase-extraction-coupled-to-liquid-chromatography-with-high-resolution-mass-spectrometry
#18
Helena Prosen, Núria Fontanals, Francesc Borrull, Rosa Maria Marcé
A method based on liquid chromatography with electrospray ionization high-resolution mass spectrometry (Exactive Orbitrap) combined with solid-phase extraction using a strong cationic exchange mixed-mode sorbent has been developed for the determination of seven drugs of abuse, including two synthetic cathinones, as well as some of their metabolites in environmental water samples. The method provides low detection limits and a high confirmation power thanks to the diagnostic and two fragment ions monitored for each compound in high-resolution mass spectrometry, providing six identification points for each analyte...
July 18, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28719081/drought-induced-mortality-patterns-and-rapid-biomass-recovery-in-a-terra-firme-forest-in-the-colombian-amazon
#19
Daniel Zuleta, Alvaro Duque, Dairon Cardenas, Helene C Muller-Landau, Stuart Davies
Extreme climatic events affecting the Amazon region are expected to become more frequent under ongoing climate change. In this study, we assessed the responses to the 2010 drought of over 14,000 trees ≥ 10 cm dbh in a 25 ha lowland forest plot in the Colombian Amazon and how these responses varied among topographically defined habitats, with tree size, and with species wood density. Tree mortality was significantly higher during the 2010-2013 period immediately after the drought than in 2007-2010. The post-drought increase in mortality was stronger for trees located in valleys (+243%) than for those located on slopes (+67%) and ridges (+57%)...
July 18, 2017: Ecology
https://www.readbyqxmd.com/read/28719079/associations-between-drugs-and-small-bowel-mucosal-bleeding-a-multicenter-capsule-endoscopy-study
#20
Ryota Niikura, Atsuo Yamada, Koutarou Maki, Masanao Nakamura, Hirotsugu Watabe, Mitsuhiro Fujishiro, Shiro Oka, Motohiro Esaki, Shunji Fujimori, Atsushi Nakajima, Naoki Ohmiya, Takayuki Matsumoto, Shinji Tanaka, Kazuhiko Koike, Choitsu Sakamoto
OBJECTIVES: Although several drugs may induce small-bowel mucosal injuries, it is unclear whether these injuries contribute to overt small-bowel bleeding. This study was designed to evaluate the associations between drug use and small-bowel mucosal injury and between these mucosal injuries and overt bleeding in a disease-relevant population. METHODS: We retrospectively studied patients with suspected small-bowel diseases who underwent capsule endoscopy between 2010 and 2013...
July 18, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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