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https://www.readbyqxmd.com/read/28550366/minimally-invasive-resection-of-adrenal-masses-in-infants-and-children-results-of-a-european-multi-center-survey
#1
Francesco Fascetti-Leon, Giovanni Scotton, Luca Pio, Raimundo Beltrà, Paolo Caione, Ciro Esposito, Girolamo Mattioli, Amulya K Saxena, Sabine Sarnaki, Piergiorgio Gamba
BACKGROUND: Minimal access adrenal surgery (MAAS) for adrenal pathologies is the standard for many pediatric surgical centers. However, the literature offers few reports and minimal evidence from small case series. The aim of this study was to evaluate the outcomes of pediatric MAAS through a multi-center data analysis. METHOD: Pediatric patients who underwent MAAS between January 2002 and December 2013 were retrospectively included. Data analysis was conducted using Spss software (Welch's t-test, X-square, Fisher tests, multiple regression model)...
May 26, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28550053/batf3-dendritic-cells-drive-adoptive-effector-t-cell-trafficking
#2
(no author information available yet)
Trafficking of adoptively transferred effector T cells requires CD103(+) dendritic cell-derived CXCL9/10.
May 26, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28550044/t-cells-lacking-hdac11-have-increased-effector-functions-and-mediate-enhanced-alloreactivity-in-a-murine-model
#3
David M Woods, Karrune V Woan, Fengdong Cheng, Andressa L Sodré, Dapeng Wang, Yongxia Wu, Zi Wang, Jie Chen, John Powers, Javier Pinilla-Ibarz, Yu Yu, Ya Zhang, Xuefeng Wu, Xiaoyan Zheng, Jeffrey Weber, Wayne Hancock, Edward Seto, Alejandro Villagra, Xue-Zhong Yu, Eduardo M Sotomayor
Histone acetylation and the families of enzymes responsible for controlling these epigenetic marks have been implicated in regulating T-cell maturation and phenotype. Here, we demonstrate a previously undefined role of histone deacetylase 11 (HDAC11) in regulating T-cell effector functions. Using EGFP-HDAC11 transgenic reporter mice, we found that HDAC11 expression was lower in effector relative to naïve and central memory T-cell populations, and activation of resting T-cells resulted in its decreased expression...
May 26, 2017: Blood
https://www.readbyqxmd.com/read/28548949/dietary-grape-seed-proanthocyanidins-inactivate-regulatory-t-cells-by-promoting-ner-dependent-dna-repair-in-dendritic-cells-in-uvb-exposed-skin
#4
Mudit Vaid, Ram Prasad, Tripti Singh, Santosh K Katiyar
Ultraviolet B (UVB) radiation induces regulatory T cells (Treg cells) and depletion of these Treg cells alleviates immunosuppression and inhibits photocarcinogenesis in mice. Here, we determined the effects of dietary grape seed proanthocyanidins (GSPs) on the development and activity of UVB-induced Treg cells. C3H/HeN mice fed a GSPs (0.5%, w/w)-supplemented or control diet were exposed to UVB (150 mJ/cm2) radiation, sensitized to 2,4-dinitrofluorobenzene (DNFB) and sacrificed 5 days later. FACS analysis indicated that dietary GSPs decrease the numbers of UVB-induced Treg cells...
May 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548581/modeling-crash-injury-severity-by-road-feature-to-improve-safety
#5
Praveena Penmetsa, Srinivas S Pulugurtha
Structured Abstract Objective: The objective of this research is two-fold; a) to model and identify critical road features (or locations) based on crash injury severity and compare it with crash frequency, and, b) to model and identify drivers who are more likely to contribute to crashes by road feature. METHOD: Crash data from 2011 to 2013 was obtained from the Highway Safety Information System (HSIS) for the state of North Carolina. Twenty-three different road features were considered, analyzed and compared with each other as well as no road feature...
May 26, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28548524/topologically-enforced-bifurcations-in-superconducting-circuits
#6
G Engelhardt, M Benito, G Platero, T Brandes
The relationship of topological insulators and superconductors and the field of nonlinear dynamics is widely unexplored. To address this subject, we adopt the linear coupling geometry of the Su-Schrieffer-Heeger model, a paradigmatic example for a topological insulator, and render it nonlinearly in the context of superconducting circuits. As a consequence, the system exhibits topologically enforced bifurcations as a function of the topological control parameter, which finally gives rise to chaotic dynamics, separating phases that exhibit clear topological features...
May 12, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28548148/diverse-configurations-of-columnar-liquid-crystals-in-cylindrical-nano-and-micropores
#7
Rui-Bin Zhang, Goran Ungar, Xiangbing Zeng, Zhihao Shen
Using 2D X-ray diffraction and AFM we studied the configuration, in cylindrical confinement, of hexagonal columnar phases that anchor homeotropically, i.e. with the columns normal to the pore wall. A wide range of pore diameters, from 20 nm to 100 μm, were explored by employing anodic alumina membranes and glass capillaries. The compounds used were a small discotic, hexakis(hexyloxy)triphenylene (HAT6), a large discotic hexa-peri-hexabenzocoronene (HBC), and a T-shaped bolaamphiphile, forming a honeycomb-type columnar phase...
May 26, 2017: Soft Matter
https://www.readbyqxmd.com/read/28548051/xenon-gas-field-ion-source-from-a-single-atom-tip
#8
Wei-Chiao Lai, Chun-Yueh Lin, Wei-Tse Chang, Po-Chang Li, Tsu-Yi Fu, Chia-Seng Chang, T T Tsong, Ing-Shouh Hwang
Focused ion beam (FIB) systems have become powerful diagnostic and modification tools for nanoscience and nanotechnology. Gas field ion sources (GFISs) built from atomic-size emitters offer the highest brightness among all ion sources and thus can improve the spatial resolution of FIB systems. Here we show that the Ir/W(111) single-atom tip (SAT) can emit high-brightness Xe(+) ion beams with a high current stability. The ion emission current versus extraction voltage was analyzed from 150 K up to 309 K. The optimal emitter temperature for maximum Xe(+) ion emission was ∼150 K and the reduced brightness at the Xe gas pressure of 1 × 10(-4) torr is two to three orders of magnitude higher than that of a Ga liquid metal ion source, and four to five orders of magnitude higher than that of a Xe inductively coupled plasma ion source...
May 26, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28547748/do-personality-traits-of-nurses-have-an-effect-on-conflict-management-strategies
#9
Nigar Erdenk, Serap Altuntaş
AIM: This research was conducted in a descriptive, correlational and cross-sectional design to determine whether personality traits of nurses have an effect on conflict management strategies. BACKGROUND: It is known that integration, avoidance and compromise conflict management strategies are the most frequent strategies used among nurses and obligation and domination are the least frequent. However, the reasons behind their strategy choice are not known. It is predicted that one of the reasons is the personality characteristics of the nurses...
May 25, 2017: Journal of Nursing Management
https://www.readbyqxmd.com/read/28547731/proline-isomerization-in-the-c-terminal-region-of-hsp27
#10
T Reid Alderson, Justin L P Benesch, Andrew J Baldwin
In mammals, small heat-shock proteins (sHSPs) typically assemble into interconverting, polydisperse oligomers. The dynamic exchange of sHSP oligomers is regulated, at least in part, by molecular interactions between the α-crystallin domain and the C-terminal region (CTR). Here we report solution-state nuclear magnetic resonance (NMR) spectroscopy investigations of the conformation and dynamics of the disordered and flexible CTR of human HSP27, a systemically expressed sHSP. We observed multiple NMR signals for residues in the vicinity of proline 194, and we determined that, while all observed forms are highly disordered, the extra resonances arise from cis-trans peptidyl-prolyl isomerization about the G193-P194 peptide bond...
May 25, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28545508/open-label-versus-double-blind-placebo-treatment-in-irritable-bowel-syndrome-study-protocol-for-a-randomized-controlled-trial
#11
Sarah Ballou, Ted J Kaptchuk, William Hirsch, Judy Nee, Johanna Iturrino, Kathryn T Hall, John M Kelley, Vivian Cheng, Irving Kirsch, Eric Jacobson, Lisa Conboy, Anthony Lembo, Roger B Davis
BACKGROUND: Placebo medications, by definition, are composed of inactive ingredients that have no physiological effect on symptoms. Nonetheless, administration of placebo in randomized controlled trials (RCTs) and in clinical settings has been demonstrated to have significant impact on many physical and psychological complaints. Until recently, conventional wisdom has suggested that patients must believe that placebo pills actually contain (or, at least, might possibly contain) active medication in order to elicit a response to placebo...
May 25, 2017: Trials
https://www.readbyqxmd.com/read/28544545/cytoprotective-encapsulation-of-individual-jurkat-t-cells-within-durable-tio2-shells-for-t-cell-therapy
#12
Wongu Youn, Eun Hyea Ko, Mi-Hee Kim, Matthew Park, Daewha Hong, Gulaim A Seisenbaeva, Vadim G Kessler, Insung S Choi
Lymphocytes, such as T cells and natural killer (NK) cells, have therapeutic promises in adoptive cell transfer (ACT) therapy, where the cells are activated and expanded in vitro, and then infused into a patient. However, the in vitro preservation of labile lymphocytes during transfer, manipulation, and storage has been one of the bottlenecks in the development and commercialization of therapeutic lymphocytes. Herein, we suggest a "cell-in-shell" (a.k.a. artificial spore) strategy to enhance the cell viability in the practical settings, while maintaining biological activities for therapeutic efficacy...
May 25, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544366/enumeration-of-wt1-specific-cd8-t-cells-for-clinical-application-using-an-mhc-streptamer-based-no-wash-single-platform-flow-cytometric-assay
#13
Sarah Matko, Madeleine Teichert, Antje Tunger, Marc Schmitz, Martin Bornhauser, Torsten Tonn, Marcus Odendahl
The advent of novel strategies to generate leukemia-associated-antigen (LAA)-specific T cells for adoptive immunotherapies creates a demand for standardized good laboratory practice (GLP)-compliant enumeration assays to provide a secure clinical environment-whether it is to identify potential donors, define therapeutic doses for transplantation, or monitor clinical success. Here, we introduce a no-wash assay based on single-platform cell enumeration and Streptamer staining to determine the Wilms' tumor antigen 1 (WT1)-specific T cell immunity in clinical samples...
May 25, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28544101/belatacept-combined-with-transient-calcineurin-inhibitor-therapy-prevents-rejection-and-promotes-improved-long-term-renal-allograft-function
#14
A B Adams, J Goldstein, C Garrett, R Zhang, R E Patzer, K A Newell, N A Turgeon, A S Chami, A Guasch, A D Kirk, S O Pastan, T C Pearson, C P Larsen
Belatacept, a T cell costimulation-blocker demonstrated superior renal function, lower cardiovascular risk, and improved graft/patient survival in renal transplant recipients. Despite the potential benefits, adoption of belatacept has been limited in part due to concerns regarding higher rates and grades of acute rejection in clinical trials. Since July 2011 we have utilized belatacept-based immunosuppression regimens in clinical practice. In this retrospective analysis of 745 patients undergoing renal transplantation at our center, we compared patients treated with belatacept (n=535) to a historical cohort receiving a tacrolimus-based protocol (n=205)...
May 23, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28544058/beyond-differences-in-means-robust-graphical-methods-to-compare-two-groups-in-neuroscience
#15
Guillaume A Rousselet, Cyril R Pernet, Rand R Wilcox
If many changes are necessary to improve the quality of neuroscience research, one relatively simple step could have great pay-offs: to promote the adoption of detailed graphical methods, combined with robust inferential statistics. Here we illustrate how such methods can lead to a much more detailed understanding of group differences than bar graphs and t-tests on means. To complement the neuroscientist's toolbox, we present two powerful tools that can help us understand how groups of observations differ: the shift function and the difference asymmetry function...
May 24, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28543698/adoptive-t-cell-therapy-an-overview-of-obstacles-and-opportunities
#16
REVIEW
Erez Nissim Baruch, Amy Lauren Berg, Michal Judith Besser, Jacob Schachter, Gal Markel
The therapeutic potential of adoptive cell therapy (ACT) in cancer patients was first acknowledged 3 decades ago, but it was an esoteric approach at the time. In recent years, technological advancements have transformed ACT into a viable therapeutic option that can be curative in some patients. In fact, current ACT response rates are 80% to 90% for hematological malignancies and 30% for metastatic melanoma refractory to multiple lines of therapy. Although these results are encouraging, there is still much to be done to fulfill ACT's potential, specifically with regard to improving clinical efficacy, expanding clinical indications, reducing toxicity, and increasing production and cost-effectiveness...
June 1, 2017: Cancer
https://www.readbyqxmd.com/read/28542613/suppression-of-il-12p70-formation-by-il-2-or-following-macrophage-depletion-causes-t-cell-autoreactivity-leading-to-cns-demyelination-in-hsv-1-infected-mice
#17
Dhong Hyun Lee, Mandana Zandian, Jane Kuo, Kevin R Mott, Shuang Chen, Moshe Arditi, Homayon Ghiasi
We have established two mouse models of central nervous system (CNS) demyelination that differ from most other available models of multiple sclerosis (MS) in that they represent a mixture of viral and immune triggers. In the first model, ocular infection of different strains of mice with a recombinant HSV-1 that expresses murine IL-2 constitutively (HSV-IL-2) causes CNS demyelination. In the second model, depletion of macrophages causes CNS demyelination in mice that are ocularly infected with wild-type (WT) HSV-1...
May 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28541770/sonographic-evaluation-of-diaphragmatic-function-during-breathing-control
#18
A Y M Jones, S P C Ngai, M T C Ying, N R Morris, E L Laakso, S W Y Lee, S M Parry
OBJECTIVE: To investigate the effect of "breathing control" on sonographic diaphragmatic excursion. METHOD: A prospective, randomized, assessor-blinded study design involving 20 physiotherapy students; ten with knowledge of the breathing control technique (Group BC) and ten without (Group CON). All participants were asked to perform a Chester step test. Group BC performed BC, while Group CON adopted their own breathing pattern during recovery after the step test...
May 25, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28540499/cell-based-therapies-with-t-regulatory-cells
#19
REVIEW
Mateusz Gliwiński, Dorota Iwaszkiewicz-Grześ, Piotr Trzonkowski
CD4(+)CD25(high)FoxP3(+) T regulatory cells (Tregs) are immunodominant suppressors in the immune system. Tregs use various mechanisms to control immune responses. Preclinical data from animal models have confirmed the huge therapeutic potential of Tregs in many immune-mediated diseases. Hence, these cells are now on the road to translation to cell therapy in the clinic as the first clinical trials are accomplished. To date, clinical research has involved mainly hematopoietic stem cell transplantations, solid organ transplantations, and autoimmunity...
May 24, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28540115/the-benefits-of-streamlined-hip-fracture-management-in-a-regional-hospital
#20
T C Mow, Jen Lukeis, A G Sutherland
INTRODUCTION: Hip fracture is an increasingly common injury in the growing elderly population. The morbidity and mortality associated with this injury can be reduced by minimizing delays to surgical treatment. We describe the impact of a regional hospital service redesign project that utilized the principles of smart simplicity, a management strategy that lays emphasis on collaboration to achieve desired goals. METHODS: Prior to the redesign, patients with hip fractures were taking an average of 72 hours for surgical treatment...
June 2017: Geriatric Orthopaedic Surgery & Rehabilitation
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