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https://www.readbyqxmd.com/read/28811075/regulatory-t-cell-deficient-scurfy-mice-exhibit-a-th2-m2-like-inflammatory-response-in-the-skin
#1
Stefanie Haeberle, Verena Raker, Jessica Haub, Yong O Kim, Shih-Yen Weng, Osman K Yilmaz, Alexander Enk, Kerstin Steinbrink, Detlef Schuppan, Eva N Hadaschik
BACKGROUND: Scurfy mice have a functional defect in regulatory T cells (Treg), which leads to lethal multi-organ inflammation. The missing Treg function results in uncontrolled autoimmune cellular and humoral inflammatory responses. We and others have previously shown that during the course of disease scurfy mice develop severe skin inflammation and autoantibodies including anti-nuclear autoantibodies (ANA). OBJECTIVE: Autoimmune skin inflammation and ANA are hallmarks for the diagnosis of autoimmune connective tissue diseases; therefore we analyzed scurfy mice for typical signs of these diseases...
July 13, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28810984/impact-of-a-7-day-field-training-on-oral-health-condition-in-japan-ground-self-defense-force-personnel
#2
Koji Yamashita, Takeshi Nishiyama, Emi Nagata, Atik Ramadhani, Miki Kawada-Matsuo, Hitoshi Komatsuzawa, Takahiko Oho
INTRODUCTION: In the Japan Ground Self-Defense Force (JGSDF), personnel periodically perform intensive training that mimics the conditions seen in battle and during natural disasters. Military training involves intensive, stressful conditions, and changes in immune responses have been found in personnel following training. Good oral condition is important for military personnel to fulfill their duties; however, they have difficulty performing daily oral care under training conditions...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28809988/methods-for-imputing-missing-efficacy-data-in-clinical-trials-of-biologic-psoriasis-therapies-implications-for-interpretations-of-trial-results
#3
Richard G B Langley, Kristian Reich, Charis Papavassilis, Todd Fox, Yankun Gong, Achim Gu Ttner
<p>BACKGROUND: An issue in long-term clinical trials of biologics in psoriasis is how to handle missing efficacy data. This methodological challenge may not be understood by clinicians, yet can have a significant effect on the interpretation of clinical trials.</p> <p>OBJECTIVE Evaluate the effects of different data imputation methods on apparent secukinumab response rates.</p> <p>METHODS: Post hoc analyses were conducted on efficacy data from 2 phase III, multicenter, randomized, double-blind trials (FIXTURE and ERASURE) of secukinumab in moderate to severe plaque psoriasis...
August 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28809861/high-frequency-measurement-of-depressive-severity-in-a-patient-treated-for-severe-treatment-resistant-depression-with-deep-brain-stimulation
#4
S Sani, J Busnello, R Kochanski, Y Cohen, R D Gibbons
Although there have been previous studies of deep-brain stimulation (DBS), we present, to our knowledge, the first example of high-frequency depressive severity measurement-based DBS treatment in particular and psychiatric treatment in general. Daily post-surgical e-mail prompts for a period of 6 months resulted in 93 administrations of a computerized adaptive test (CAT) of depression severity (CAT-Depression Inventory or CAT-DI) via the internet. There was an average of 3.37 weekly measurements with an average separation of 2...
August 15, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28809741/hepatitis-c-virus-infection-outcomes-among-immigrants-to-canada-a-retrospective-cohort-analysis
#5
Curtis L Cooper, Kednapa Thavorn, Ecaterina Damian, Daniel J Corsi
INTRODUCTION AND AIM: HCV-infected immigrants contribute to the total prevalence in Canada and other developed nations. Little is known about engagement in care, access to service, and treatment outcomes in recipients of Direct Acting Antiviral (DAA) HCV therapies among immigrants living with HCV. MATERIAL AND METHODS: HCV patients assessed at The Ottawa Hospital Viral Hepatitis Clinic between 2000-2016 were identified. Immigration history, race, socioeconomic status, HCV work-up, treatment and outcome data were evaluated...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28809740/early-successes-in-an-open-access-provincially-funded-hepatitis-c-treatment-program-in-prince-edward-island
#6
Daniel Smyth, Jordan W Francheville, Robin Rankin, Jeremy Beck, Connie Hoare, Stefanie Materniak, Greg German, Lisa Barrett, Natalie Bunimov-Wall
INTRODUCTION: The availability of curative hepatitis C therapies has created an opportunity to improve delivery and access. Local providers, government, industry, and community groups in Prince Edward Island developed an innovative province-wide care model. Our goal was to describe the first year of program implementation. MATERIAL AND METHODS: Using a community based prospective observational study design, all chronic hepatitis C referrals received from April 2015 to April 2016 were recorded in a database...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28809406/clot-entrapped-blood-cells-in-synergy-with-human-mesenchymal-stem-cells-create-a-pro-angiogenic-healing-response
#7
Melanie A Burkhardt, Isabel Gerber, Cameron Moshfegh, Miriam S Lucas, Jasmin Waser, Maximilian Y Emmert, Simon P Hoerstrup, Falko Schlottig, Viola Vogel
Blood clots stop bleeding and provide cell-instructive microenvironments. Still, in vitro models used to study implant performance typically neglect any possible interactions of recruited cells with surface-adhering blood clots. Here we study the interaction and synergies of bone marrow derived human mesenchymal stem cells (hMSCs) with surface-induced blood clots in an in vitro model by fluorescence microscopy, scanning and correlative light and electron microscopy, ELISA assays and zymography. The clinically used alkali-treated rough titanium (Ti) surfaces investigated here are known to enhance blood clotting compared to native Ti and to improve the healing response, but the underlying mechanisms remain elusive...
August 15, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28808478/the-portuguese-long-version-of-the-copenhagen-psychosocial-questionnaire-ii-copsoq-ii-a-validation-study
#8
Susel Rosário, Luís F Azevedo, João A Fonseca, Albert Nienhaus, Matthias Nübling, José Torres da Costa
BACKGROUND: Psychosocial risks are now widely recognised as one of the biggest challenges for occupational safety and health (OSH) and a major public health concern. The aim of this paper is to investigate the Portuguese long version of the Copenhagen Psychosocial Questionnaire II (COPSOQ II), in order to analyse the psychometric properties of the instrument and to validate it. METHODS: The Portuguese COPSOQ II was issued to a total of 745 Portuguese employees from both private and public organisations across several economic sectors at a baseline and then 2 weeks later...
2017: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/28806745/persistent-mycobacteria-evade-an-antibacterial-program-mediated-by-phagolysosomal-tlr7-8-myd88-in-human-primary-macrophages
#9
Alexandre Gidon, Signe Elisabeth Åsberg, Claire Louet, Liv Ryan, Markus Haug, Trude Helen Flo
Pathogenic mycobacteria reside in macrophages where they avoid lysosomal targeting and degradation through poorly understood mechanisms proposed to involve arrest of phagosomal maturation at an early endosomal stage. A clear understanding of how this relates to host defenses elicited from various intracellular compartments is also missing and can only be studied using techniques allowing single cell and subcellular analyses. Using confocal imaging of human primary macrophages infected with Mycobacterium avium (Mav) we show evidence that Mav phagosomes are not arrested at an early endosomal stage, but mature to a (LAMP1+/LAMP2+/CD63+) late endosomal/phagolysosomal stage where inflammatory signaling and Mav growth restriction is initiated through a mechanism involving Toll-like receptors (TLR) 7 and 8, the adaptor MyD88 and transcription factors NF-κB and IRF-1...
August 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28805193/optics-of-plasmon-exciton-nanomaterials
#10
Maxim Sukharev, Abraham Nitzan
This review provides a brief introduction to the physics of coupled exciton-plasmon systems, the theoretical description and experimental manifestation of such phenomena, followed by an account of the state-of-the-art methodology for the numerical simulations of such phenomena and supplemented by a number of FORTRAN codes, by which the interested reader can introduce himself/herself to the practice of such simulations. Applications to CW light scattering as well as transient response and relaxation are described...
August 14, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28804867/sources-of-distress-for-physicians-and-nurses-working-in-swiss-neonatal-intensive-care-units
#11
Sabine D Klein, Hans Ulrich Bucher, Manya J Hendriks, Ruth Baumann-Hölzle, Jürg C Streuli, Thomas M Berger, Jean-Claude Fauchère, On Behalf Of The Swiss Neonatal End-Of-Life Study Group
BACKGROUND: Medical personnel working in intensive care often face difficult ethical dilemmas. These may represent important sources of distress and may lead to a diminished self-perceived quality of care and eventually to burnout. AIMS OF THE STUDY: The aim of this study was to identify work-related sources of distress and to assess symptoms of burnout among physicians and nurses working in Swiss neonatal intensive care units (NICUs). METHODS: In summer 2015, we conducted an anonymous online survey comprising 140 questions about difficult ethical decisions concerning extremely preterm infants...
August 14, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28804786/health-impact-assessment-of-the-uk-soft-drinks-industry-levy-a-comparative-risk-assessment-modelling-study
#12
Adam D M Briggs, Oliver T Mytton, Ariane Kehlbacher, Richard Tiffin, Ahmed Elhussein, Mike Rayner, Susan A Jebb, Tony Blakely, Peter Scarborough
BACKGROUND: In March, 2016, the UK Government proposed a tiered levy on sugar-sweetened beverages (SSBs; high tax for drinks with >8 g of sugar per 100 mL, moderate tax for 5-8 g, and no tax for <5 g). We estimate the effect of possible industry responses to the levy on obesity, diabetes, and dental caries. METHODS: We modelled three possible industry responses: reformulation to reduce sugar concentration, an increase of product price, and a change of the market share of high-sugar, mid-sugar, and low-sugar drinks...
January 2017: Lancet. Public Health
https://www.readbyqxmd.com/read/28803896/the-thalamo-habenula-projection-revisited
#13
REVIEW
Suresh Jesuthasan
The thalamus is one of the most highly connected hubs of the vertebrate brain, with roles in perception, arousal, navigation, memory and consciousness. One connection that is missing from contemporary maps is a link to the habenula. This link was reported in the early part of the last century, but appears to have slipped into obscurity. Here, I review the evidence for the existence of this innervation and consider the potential roles it could play. In particular, the possibility that this pathway is involved in non-visual responses to ambient illumination is examined...
August 10, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28802694/exposure-to-ambient-particulate-matter-is-associated-with-accelerated-functional-decline-in-idiopathic-pulmonary-fibrosis
#14
Christopher J Winterbottom, Rupal J Shah, Karen C Patterson, Maryl E Kreider, Reynold A Panettieri, Belinda Rivera-Lebron, Wallace T Miller, Leslie A Litzky, Trevor M Penning, Krista Heinlen, Tara Jackson, A Russell Localio, Jason D Christie
BACKGROUND: Idiopathic pulmonary fibrosis (IPF), a progressive disease with unknown pathogenesis, may in part be due to an abnormal response to injurious stimuli by alveolar epithelial cells. Air pollution and particulate matter inhalation evoke a wide variety of pulmonary and systemic inflammatory diseases. We therefore hypothesized that increased average ambient particulate matter (PM) concentrations would be associated with an accelerated rate of decline in forced vital capacity (FVC) in IPF...
August 9, 2017: Chest
https://www.readbyqxmd.com/read/28802662/the-metastasis-status-and-tumor-burden-associated-ca125-level-combined-with-the-cd4-cd8-ratio-predicts-the-prognosis-of-patients-with-advanced-pancreatic-cancer-a%C3%A2-new-scoring-system
#15
C Yang, H Cheng, G Luo, Y Lu, M Guo, K Jin, Z Wang, X Yu, C Liu
INTRODUCTION: Although CA125 and the tumor immune response have been reported to be associated with pancreatic cancer, their prognostic value for advanced pancreatic cancer patients undergoing chemotherapy remain uncertain. We thus studied the prognostic value of the combination of the CA125 level with the CD4/CD8 ratio. METHODS: After excluding patients who were lost to follow-up or for whom complete clinical data were missing, 369 participants were ultimately examined...
July 29, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28802412/mycobacterium-tuberculosis-sige-mutant-st28-used-as-a-vaccine-induces-protective-immunity-in-the-guinea-pig-model
#16
JoLynn Troudt, Elizabeth Creissen, Linda Izzo, Helle Bielefeldt-Ohmann, Stefano Casonato, Riccardo Manganelli, Angelo A Izzo
With more than 9 million new infections and 1.5 million deaths claimed every year, tuberculosis remains one of the major scourges of humankind. The only vaccine available against this disease, the attenuated strain Mycobacterium bovis, BCG is effective against severe forms of the disease in infants, but scarcely effective in protecting adults from the pulmonary form of the disease, thus not stopping transmission. Consequently, the development of an effective anti-tuberculosis vaccine is a major goal for improving global health...
September 2017: Tuberculosis
https://www.readbyqxmd.com/read/28795510/cngb3-mutation-spectrum-including-copy-number-variations-in-485-achromatopsia-patients
#17
Anja Kathrin Mayer, Caroline Van Cauwenbergh, Christine Rother, Britta Baumann, Peggy Reuter, Elfride De Baere, Bernd Wissinger, Susanne Kohl
Achromatopsia is a rare autosomal recessive cone disorder characterized by color vision defects, photophobia, nystagmus and severely reduced visual acuity. The disease is caused by mutations in genes encoding crucial components of the cone phototransduction cascade (CNGA3, CNGB3, GNAT2, PDE6C, and PDE6H) or in ATF6, involved in the unfolded protein response. CNGB3 encoding the beta subunit of the cyclic nucleotide-gated ion channel in cone photoreceptors is the major achromatopsia gene. Here, we present a comprehensive spectrum of CNGB3 mutations and their prevalence in a cohort of 1,074 independent families clinically diagnosed with achromatopsia...
August 10, 2017: Human Mutation
https://www.readbyqxmd.com/read/28791330/computer-assisted-instruction-before-colonoscopy-is-as-effective-as-nurse-counselling-a-clinical-pilot-trial
#18
Govert Veldhuijzen, Michael Klemt-Kropp, Casper Noomen, Aura A Van Esch, Eric T Tjwa, Joost Drenth
BACKGROUND AND STUDY AIMS:  Better patient education prior to colonoscopy improves adherence to instructions for bowel preparation and leads to cleaner colons. We reasoned that computer assisted instruction (CAI) using video and 3 D animations followed by nurse contact maximizes the effectiveness of nurse counselling, increases proportion of clean colons and improves patient experience. PATIENTS AND METHODS:  Adults referred for colonoscopy in a high-volume endoscopy unit in the Netherlands were included...
August 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28782584/self-construal-differences-in-neural-responses-to-negative-social-cues
#19
Belinda J Liddell, Kim L Felmingham, Pritha Das, Thomas J Whitford, Gin S Malhi, Eva Battaglini, Richard A Bryant
Cultures differ substantially in representations of the self. Whereas individualistic cultural groups emphasize an independent self, reflected in processing biases towards centralized salient objects, collectivistic cultures are oriented towards an interdependent self, attending to contextual associations between visual cues. It is unknown how these perceptual biases may affect brain activity in response to negative social cues. Moreover, while some studies have shown that individual differences in self-construal moderate cultural group comparisons, few have examined self-construal differences separate to culture...
August 3, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28781049/role-of-the-cerebellum-in-adaptation-to-delayed-action-effects
#20
Liyu Cao, Domenica Veniero, Gregor Thut, Joachim Gross
Actions are typically associated with sensory consequences. For example, knocking at a door results in predictable sounds. These self-initiated sensory stimuli are known to elicit smaller cortical responses compared to passively presented stimuli, e.g., early auditory evoked magnetic fields known as M100 and M200 components are attenuated. Current models implicate the cerebellum in the prediction of the sensory consequences of our actions. However, causal evidence is largely missing. In this study, we introduced a constant delay (of 100 ms) between actions and action-associated sounds, and we recorded magnetoencephalography (MEG) data as participants adapted to the delay...
July 25, 2017: Current Biology: CB
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