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https://www.readbyqxmd.com/read/27933753/mass-cytometry-of-follicular-lymphoma-tumors-reveals-intrinsic-heterogeneity-in-proteins-including-hla-dr-and-a-deficit-in-non-malignant-plasmablast-and-germinal-center-b-cell-populations
#1
Cara Ellen Wogsland, Allison Rae Greenplate, Arne Kolstad, June Helen Myklebust, Jonathan Michael Irish, Kanutte Huse
BACKGROUND: Follicular lymphoma (FL) is an indolent non-Hodgkin lymphoma that has a risk of transformation to more aggressive lymphoma. Relatively little is known about the non-malignant B-cell and T-cell subset composition within the tumor microenvironment and whether altered phenotypes are associated with patterns of lymphoma B-cell heterogeneity. METHODS: Two mass cytometry (CyTOF) panels were designed to immunophenotype B and T cells in FL tumors. Populations of malignant B cells, non-malignant B cells, and T cells from each FL tumor were identified and their phenotypes compared to B and T cells from healthy human tonsillar tissue...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933748/exploring-glucocorticoid-receptor-agonists-mechanism-of-action-through-mass-cytometry-and-radial-visualizations
#2
Yann Abraham, Bertran Gerrits, Marie-Gabrielle Ludwig, Michael Rebhan, Caroline Gubser Keller
Recent advances in combining flow cytometry and mass spectrometry have led to the development of mass cytometry, allowing for the interrogation of complex cell populations on an unprecedented scale. The volumes and high dimensionality of mass cytometry data pose significant challenges in terms of analysis and visualization. We implement a method called Radviz (1-3), where multidimensional single cell data can be visualized as a projection that maintains the original dimensions and data complexity whilst facilitating analysis and visualization...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933733/mannich-bases-of-1-2-4-triazole-3-thione-containing-adamantane-moiety-synthesis-preliminary-anticancer-evaluation-and-molecular-modeling-studies
#3
Milorad Z Milošev, Katarina Jakovljević, Milan D Joksović, Tatjana Stanojković, Ivana Z Matić, Milka Perović, Vesna Tešić, Selma Kanazir, Milan Mladenović, Marko V Rodić, Vukadin M Leovac, Snežana Trifunović, Violeta Marković
A series of 18 novel N-Mannich bases derived from 5-adamantyl-1,2,4-triazole-3-thione was synthesized and characterized using NMR spectroscopy and X-ray diffraction technique. All derivatives were evaluated for their anticancer potential against four human cancer cell lines. Several tested compounds exerted good cytotoxic activities on K562 and HL-60 cell lines, along with pronounced selectivity, showing lower cytotoxicity against normal fibroblasts MRC-5 compared to cancer cells. The effects of compounds 5b, 5e and 5j on the cell cycle were investigated by flow cytometric analysis...
December 9, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27933717/mass-cytometry-analytical-approaches-reveal-cytokine-induced-changes-in-natural-killer-cells
#4
Elena Vendrame, Julia Fukuyama, Dara M Strauss-Albee, Susan Holmes, Catherine A Blish
BACKGROUND: Natural killer (NK) cells have antiviral and antitumor activity that could be harnessed for the treatment of infections and malignancies. To maintain cell viability and enhance antiviral and antitumor effects, NK cells are frequently treated with cytokines. Here we performed an extensive assessment of the effects of cytokines on the phenotype and function of human NK cells. METHODS: We used cytometry by time-of-flight (CyTOF) to evaluate NK cell repertoire changes after stimulation with interleukin (IL)-2, IL-15 or a combination of IL- 12/IL-15/IL-18...
December 9, 2016: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/27933668/the-role-of-the-hippocampus-in-generalizing-configural-relationships
#5
Sam C Berens, Chris M Bird
The hippocampus has been implicated in integrating information across separate events in support of mnemonic generalizations. These generalizations may be underpinned by processes at both encoding (linking similar information across events) and retrieval ("on-the-fly" generalization). However, the relative contribution of the hippocampus to encoding- and retrieval-based generalizations is poorly understood. Using fMRI in humans, we investigated the hippocampal role in gradually learning a set of spatial discriminations and subsequently generalizing them in an acquired equivalence task...
December 9, 2016: Hippocampus
https://www.readbyqxmd.com/read/27933650/up-regulation-of-microrna-133a-inhibits-the-mek-erk-signaling-pathway-to-promote-cell-apoptosis-and-enhance-radio-sensitivity-by-targeting-egfr-in-esophageal-cancer-in-vivo-and-in-vitro
#6
Qing-Shan Yang, Li-Peng Jiang, Chun-Yan He, Yu-Na Tong, Yuan-Yuan Liu
This study aims to explore how microRNA-133a (miR-133a) affects cell apoptosis and radio-sensitivity by targeting EGFR via regulating MEK/ERK pathway in esophageal cancer (EC). A total of 358 EC patients were selected and assigned into the resistant and sensitive groups. Human EC KYSE 150 cell line was assigned into the blank, negative control (NC), miR-133a mimic, miR-133a inhibitors, si-EGFR, miR-133a inhibitors + si-EGFR groups after transfection. MiR-133a and EGFR mRNA expressions were detected by qRT-PCR and EGFR, MEK/ERK pathway-related protein expressions were detected by Western blotting...
December 8, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27933173/a-rare-case-of-gestational-thyrotoxicosis-as-a-cause-of-acute-myocardial-infarction
#7
Varalaxmi Bhavani Nannaka, Dmitry Lvovsky
: Angina pectoris in pregnancy is unusual and Prinzmetal's angina is much rarer. It accounts for 2% of all cases of angina. It is caused by vasospasm, but the mechanism of spasm is unknown but has been linked with hyperthyroidism in some studies. Patients with thyrotoxicosis-induced acute myocardial infarction are unusual and almost all reported cases have been associated with Graves' disease. Human chorionic gonadotropin hormone-induced hyperthyroidism occurs in about 1.4% of pregnant women, mostly when hCG levels are above 70-80 000 IU/L...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27933112/osteoblast-and-stem-cell-response-to-nanoscale-topographies-a-review
#8
Nur Izzati Aminuddin, Roslina Ahmad, Sheikh Ali Akbar, Belinda Pingguan-Murphy
To understand how cells respond to the nanoscale extracellular environment in vivo, cells from various sources have been cultured on nanoscale patterns fabricated using bottom-up and top-down techniques. Human fetal osteoblasts (hFOBs) and stem cells are some of them and they are known to be overtly responsive to nanoscale topographies - allowing us to investigate the hows and whys of the response in vitro. Information gathered from these in vitro studies could be used to control the cells, i.e. make the stem cells differentiate or retain their characteristics without the use of medium supplements...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27932941/long-term-memory-for-noise-evidence-of-robust-encoding-of-very-short-temporal-acoustic-patterns
#9
Jayalakshmi Viswanathan, Florence Rémy, Nadège Bacon-Macé, Simon J Thorpe
Recent research has demonstrated that humans are able to implicitly encode and retain repeating patterns in meaningless auditory noise. Our study aimed at testing the robustness of long-term implicit recognition memory for these learned patterns. Participants performed a cyclic/non-cyclic discrimination task, during which they were presented with either 1-s cyclic noises (CNs) (the two halves of the noise were identical) or 1-s plain random noises (Ns). Among CNs and Ns presented once, target CNs were implicitly presented multiple times within a block, and implicit recognition of these target CNs was tested 4 weeks later using a similar cyclic/non-cyclic discrimination task...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27932427/retrieval-of-the-leadless-cardiac-pacemaker-a-multicenter-experience
#10
Vivek Y Reddy, Marc A Miller, Reinoud E Knops, Petr Neuzil, Pascal Defaye, Werner Jung, Rahul Doshi, Mark Castellani, Adam Strickberger, R Hardwin Mead, Harish Doppalapudi, Dhanunjaya Lakkireddy, Matthew Bennett, Johannes Sperzel
BACKGROUND: Leadless cardiac pacemakers have emerged as a safe and effective alternative to conventional transvenous single-chamber ventricular pacemakers. Herein, we report a multicenter experience on the feasibility and safety of acute retrieval (<6 weeks) and chronic retrieval (>6 weeks) of the leadless cardiac pacemaker in humans. METHODS AND RESULTS: This study included patients enrolled in 3 multicenter trials, who received a leadless cardiac pacemaker implant and who subsequently underwent a device removal attempt...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27932425/scn2b-deletion-in-mice-results-in-ventricular-and-atrial-arrhythmias
#11
Yangyang Bao, B Cicero Willis, Chad R Frasier, Luis F Lopez-Santiago, Xianming Lin, Roberto Ramos-Mondragón, David S Auerbach, Chunling Chen, Zhenxun Wang, Justus Anumonwo, Héctor H Valdivia, Mario Delmar, José Jalife, Lori L Isom
BACKGROUND: Mutations in SCN2B, encoding voltage-gated sodium channel β2-subunits, are associated with human cardiac arrhythmias, including atrial fibrillation and Brugada syndrome. Because of this, we propose that β2-subunits play critical roles in the establishment or maintenance of normal cardiac electric activity in vivo. METHODS AND RESULTS: To understand the pathophysiological roles of β2 in the heart, we investigated the cardiac phenotype of Scn2b null mice...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27932074/distributed-neural-signatures-of-natural-audiovisual-speech-and-music-in-the-human-auditory-cortex
#12
Juha Salmi, Olli-Pekka Koistinen, Enrico Glerean, Pasi Jylänki, Aki Vehtari, Iiro P Jääskeläinen, Sasu Mäkelä, Lauri Nummenmaa, Katarina Nummi-Kuisma, Ilari Nummi, Mikko Sams
During a conversation or when listening to music, auditory and visual information are combined automatically into audiovisual objects. However, it is still poorly understood how specific type of visual information shapes neural processing of sounds in lifelike stimulus environments. Here we applied multi-voxel pattern analysis to investigate how naturally matching visual input modulates supratemporal cortex activity during processing of naturalistic acoustic speech, singing and instrumental music. Bayesian logistic regression classifiers with sparsity-promoting priors were trained to predict whether the stimulus was audiovisual or auditory, and whether it contained piano playing, speech, or singing...
December 5, 2016: NeuroImage
https://www.readbyqxmd.com/read/27931989/knowledge-attitudes-and-behaviors-of-the-italian-population-towards-neisseria-meningitidis-streptococcus%C3%A2-pneumoniae-and-hpv-diseases-and-vaccinations-a%C3%A2-cross-sectional-multicentre-study
#13
C de Waure, G Quaranta, C Ianuale, D Panatto, D Amicizia, L Apprato, P Campanella, M Colotto, C De Meo, F Di Nardo, E M Frisicale, D I La Milia, E Rizzitelli, S Aquilani, M P Briata, V Frumento, L Marensi, A Spadea, V Turello, R Gasparini, W Ricciardi
OBJECTIVES: This study addressed knowledge of Streptococcus pneumoniae, Neisseria meningitidis and human papillomavirus (HPV), and attitudes and behaviours towards vaccines against them. STUDY DESIGN: This is a cross-sectional, multicentre study. METHODS: Data were collected through a questionnaire administered to 530 adults who accessed four Departments of Prevention of the Italian National Health Service in 2013. RESULTS: Less than 50% of people gave the right answer to all the questions concerning the three diseases, but 96...
December 2016: Public Health
https://www.readbyqxmd.com/read/27931218/scutellaria-barbata-flavonoids-alleviate-memory-deficits-and-neuronal-injuries-induced-by-composited-a%C3%AE-in-rats
#14
Xiao G Wu, Shu S Wang, Hong Miao, Jian J Cheng, Shu F Zhang, Ya Z Shang
BACKGROUND: The aim of the present study was to investigate the effects of Scutellaria barbata flavonoids (SBF) on memory impairment and neuronal injury induced by amyloid beta protein 25-35 in combination with aluminum trichloride (AlCl3) and recombinant human transforming growth factor-β1 (RHTGF-β1) (composited Aβ) in rats. METHODS: The composited Aβ-treated model of Alzheimer's disease (AD)-like memory impairment and neuronal injury was established in male rats by right intracerebroventricular injection of composited Aβ, and the effects of SBF were assessed using this rat model...
December 8, 2016: Behavioral and Brain Functions: BBF
https://www.readbyqxmd.com/read/27931215/why-the-convention-on-the-rights-of-the-child-must-become-a-guiding-framework-for-the-realization-of-the-rights-of-children-affected-by-tuberculosis
#15
Robindra Basu Roy, Nicola Brandt, Nicolette Moodie, Mitra Motlagh, Kumanan Rasanathan, James A Seddon, Anne K Detjen, Beate Kampmann
BACKGROUND: Until recently, paediatric tuberculosis (TB) has been relatively neglected by the broader TB and the maternal and child health communities. Human rights-based approaches to children affected by TB could be powerful; however, awareness and application of such strategies is not widespread. DISCUSSION: We summarize the current challenges faced by children affected by TB, including: consideration of their family context; the limitations of preventive, diagnostic and treatment options; paucity of paediatric-specific research; failure in implementation of interventions; and stigma...
December 8, 2016: BMC International Health and Human Rights
https://www.readbyqxmd.com/read/27930847/targeting-expression-to-megakaryocytes-and-platelets-by-lineage-specific-lentiviral-vectors
#16
Lisette Johana Latorre-Rey, Sabine Wintterle, Sebastian Dütting, Saskia Kohlscheen, Tobias Abel, Franziska Schenk, Susanne Wingert, Michael A Rieger, Bernhard Nieswandt, Niels Heinz, Ute Modlich
BACKGROUND: Lentiviral transduction and transplantation of hematopoietic stem cells (HSC) can be utilized to modify the phenotype of megakaryocytes and platelets. As the genetic modification in HSC is transmitted onto all hematopoietic progenies, transgene expression from the vector should be restricted to megakaryocytes to avoid un-physiologic effects by ectopic transgene expression. This can be achieved by lentiviral vectors that control expression by lineage-specific promoters. METHODS: in this study, we introduced promoters of megakaryocyte/platelet-specific genes, namely human glycoprotein 6 (hGP6) and hGP9, into third generation lentiviral vectors and analyzed their functionality in-vitro and in-vivo in bone marrow transplantation assays...
December 8, 2016: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/27930833/moving-beyond-the-concept-of-primary-forest-as-a-metric-of-forest-environment-quality
#17
P Y Bernier, D Paré, G Stinson, S R J Bridge, B E Kishchuk, T C Lemprière, E Thiffault, B D Titus, W Vasbinder
The United Nations Food and Agriculture Organization (FAO) has been reporting country-level area in primary forests in its Global Forest Resource Assessment (FRA) since 2005. The FAO definition of a primary forest (naturally regenerated forest of native species where there are no clearly visible indications of human activities and the ecological processes are not significantly disturbed) is generally accepted as authoritative and is being used in policy making. However, problems with this definition undermine our capacity to obtain globally-coherent estimates...
December 8, 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27930815/ctrp-3-is-permeable-to-the-blood-brain-barrier-and-is-not-regulated-by-glucose-or-lipids-in-vivo
#18
Andreas Schmid, Martin Berghoff, Alexandra Hochberg, Andreas Schäffler, Thomas Karrasch
C1q/TNF-related protein-3 (CTRP-3) represents a novel anti-inflammatory and anti-diabetic adipokine secreted by adipose tissue. The physiological and postprandial regulation of CTRP-3 remains obscure and it is not known whether CTRP-3 is permeable to the brain AIM: The postprandial regulation of CTRP-3 during an oral glucose tolerance test (n=100) and an oral lipid tolerance test (n=100) in humans was investigated. Moreover, CTRP-3 concentrations were measured in paired serum and cerebrospinal fluid (CSF) samples of patients (n=270) undergoing neurological evaluation...
December 8, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27928873/lycopene-inhibits-regulator-of-calcineurin-1-mediated-apoptosis-by-reducing-oxidative-stress-and-down-regulating-nucling-in-neuronal-cells
#19
Seiyoung Lim, Sinwoo Hwang, Ji Hoon Yu, Joo Weon Lim, Hyeyoung Kim
SCOPE: Regulator of calcineurin 1 (RCAN1) is located on the Down syndrome critical region (DSCR) locus in human chromosome 21. Oxidative stress and overexpression of RCAN1 is implicated in neuronal impairment in Down's syndrome (DS) and Alzheimer's disease (AD). Serum level of lycopene, an antioxidant pigment, is low in DS and AD patients, which may be related to neuronal damage. The present study is to investigate whether lycopene inhibits apoptosis by reducing ROS levels, NF-κB activation, expression of the apoptosis regulator Nucling, cell viability, and indices of apoptosis (cytochrome c release, caspase-3 activation) in RCAN1-overexpressing neuronal cells...
December 8, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27928844/glucagon-like-peptide-1-receptor-expression-on-human-eosinophils-and-its-regulation-of-eosinophil-activation
#20
Patrick D Mitchell, Brittany M Salter, John Paul Oliveria, Amani El-Gammal, Damian Tworek, Steve G Smith, Roma Sehmi, Gail M Gauvreau, Marcus Butler, Paul M O'Byrne
BACKGROUND: Glucagon Like Peptide-1 (GLP-1) and its receptor are part of the incretin family of hormones the regulate glucose metabolism. GLP-1 also has immune modulatory roles. OBJECTIVES: To measure the expression of the GLP-1 receptor (GLP-1R) on eosinophils and neutrophils in normal and asthmatic subjects and evaluate effects of a GLP-1 analog on eosinophil function. METHODS: Peripheral blood samples were taken from 10 normal and 10 allergic asthmatic subjects...
December 8, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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