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Ruobing Zhang, Gilbert O Fruhwirth, Oana Coban, James E Barrett, Thomas Burgoyne, Sang Hak Lee, Paul Dennis Simonson, Murat Baday, Boris Kholodenko, Clare E Futter, Tony Ng, Paul R Selvin
Heterogeneity of mitogen-activated protein kinase (MAPK) activation in genetically identical cells, which occurs in response to epidermal growth factor receptor (EGFR) signaling, remains poorly understood. MAPK cascades integrate signals emanating from different EGFR spatial locations, including the plasma membrane and endocytic compartment. We previously hypothesized that in EGF-stimulated cells the MAPK phosphorylation (pMAPK) level and activity are largely determined by the spatial organization of the EGFR clusters within the cell...
October 21, 2016: ACS Nano
E A Gopalakrishnan, Yogita Sharma, Tony John, Partha Sharathi Dutta, R I Sujith
Dynamical systems can undergo critical transitions where the system suddenly shifts from one stable state to another at a critical threshold called the tipping point. The decrease in recovery rate to equilibrium (critical slowing down) as the system approaches the tipping point can be used to identify the proximity to a critical transition. Several measures have been adopted to provide early indications of critical transitions that happen in a variety of complex systems. In this study, we use early warning indicators to predict subcritical Hopf bifurcation occurring in a thermoacoustic system by analyzing the observables from experiments and from a theoretical model...
October 21, 2016: Scientific Reports
Chee Khoon Lee, Johnathan Man, Sally Lord, Matthew Links, Val Gebski, Tony Mok, James Chih-Hsin Yang
INTRODUCTION: We performed a meta-analysis to assess the role of immune-checkpoint inhibitors as second-line therapy in epidermal growth factor receptor (EGFR) mutant advanced non-small cell lung cancer (NSCLC). METHODS: Randomized trials comparing immune-checkpoint inhibitors against chemotherapy were identified. We retrieved the hazard ratio (HR) and 95% confidence interval (CI) for overall survival (OS) of the intention-to-treat population and EGFR mutation defined subgroups...
October 17, 2016: Journal of Thoracic Oncology
Amanda McGuire, Kaitlyn Miedema, Joseph R Fauver, Amber Rico, Tawfik Aboellail, Sandra L Quackenbush, Ann Hawkinson, Tony Schountz
Rodent-borne hantaviruses can cause two human diseases with many pathological similarities: hantavirus cardiopulmonary syndrome (HCPS) in the western hemisphere and hemorrhagic fever with renal syndrome in the eastern hemisphere. Each virus is hosted by specific reservoir species without conspicuous disease. HCPS-causing hantaviruses require animal biosafety level-4 (ABSL-4) containment, which substantially limits experimental research of interactions between the viruses and their reservoir hosts. Maporal virus (MAPV) is a South American hantavirus not known to cause disease in humans, thus it can be manipulated under ABSL-3 conditions...
October 18, 2016: Viruses
Chelsea T Morales, LeeAnna I Muzquiz, Kevin Howlett, Bernie Azure, Brenda Bodnar, Vernon Finley, Tony Incashola, Cheryl Mathias, Cindi Laukes, Patrick Beatty, Wylie Burke, Mark A Pershouse, Elizabeth A Putnam, Susan Brown Trinidad, Rosalina James, Erica L Woodahl
No abstract text is available yet for this article.
2016: Progress in Community Health Partnerships: Research, Education, and Action
Louis R Pasquale, Hugues Aschard, Jae H Kang, Jessica N Cooke Bailey, Sara Lindström, Daniel I Chasman, William G Christen, R Rand Allingham, Allison Ashley-Koch, Richard K Lee, Sayoko E Moroi, Murray H Brilliant, Gadi Wollstein, Joel S Schuman, John Fingert, Donald L Budenz, Tony Realini, Terry Gaasterland, Douglas Gaasterland, William K Scott, Kuldev Singh, Arthur J Sit, Robert P Igo, Yeunjoo E Song, Lisa Hark, Robert Ritch, Douglas J Rhee, Vikas Gulati, Shane Havens, Douglas Vollrath, Donald J Zack, Felipe Medeiros, Robert N Weinreb, Margaret A Pericak-Vance, Yutao Liu, Peter Kraft, Julia E Richards, Bernard A Rosner, Michael A Hauser, Jonathan L Haines, Janey L Wiggs
OBJECTIVE: Several attributes of female reproductive history, including age at natural menopause (ANM), have been related to primary open-angle glaucoma (POAG). We assembled 18 previously reported common genetic variants that predict ANM to determine their association with ANM or POAG. METHODS: Using data from the Nurses' Health Study (7,143 women), we validated the ANM weighted genetic risk score in relation to self-reported ANM. Subsequently, to assess the relation with POAG, we used data from 2,160 female POAG cases and 29,110 controls in the National Eye Institute Glaucoma Human Genetics Collaboration Heritable Overall Operational Database (NEIGHBORHOOD), which consists of 8 datasets with imputed genotypes to 5...
October 10, 2016: Menopause: the Journal of the North American Menopause Society
Giulio Perugi, Pierpaolo Medd, Pierpaolo Medd, Cristina Toni, Michela Giorgi Mariani, Chiara Socci, Mauro Mauri
OBJECTIVE: We evaluated the effectiveness of Electroconvulsive Therapy (ECT) in the treatment of Bipolar Disorder (BD) in a large sample of bipolar patients with drug resistant depression, mania, mixed state and catatonic features. METHOD: 522 consecutive patients with DSM-IV-TR BD were evaluated prior to and after the ECT course. Responders and nonresponders were compared in subsamples of depressed and mixed patients. Descriptive analyses were reported for patients with mania and with catatonic features...
October 17, 2016: Current Neuropharmacology
Tony Merritt, Kirsty Hope, Michelle Butler, David Durrheim, Leena Gupta, Zeina Najjar, Stephen Conaty, Leng Boonwatt, Stephanie Fletcher
BACKGROUND: There was a record number (n = 111) of influenza outbreaks in aged care facilities in New South Wales, Australia during 2014. To determine the impact of antiviral prophylaxis recommendations in practice, influenza outbreak data were compared for facilities in which antiviral prophylaxis and treatment were recommended and for those in which antivirals were recommended for treatment only. METHODS: Routinely collected outbreak data were extracted from the Notifiable Conditions Information Management System for two Local Health Districts where antiviral prophylaxis was routinely recommended and one Local Health District where antivirals were recommended for treatment but not routinely for prophylaxis...
January 2016: Western Pacific Surveillance and Response Journal: WPSAR
Bugra Ayan, Adem Ozcelik, Hunter Bachman, Shi-Yang Tang, Yuliang Xie, Mengxi Wu, Peng Li, Tony Jun Huang
On-chip microparticle and cell coating technologies enable a myriad of applications in chemistry, engineering, and medicine. Current microfluidic coating technologies often rely on magnetic labeling and concurrent deflection of particles across laminar streams of chemicals. Herein, we introduce an acoustofluidic approach for microparticle and cell coating by implementing tilted-angle standing surface acoustic waves (taSSAWs) into microchannels with multiple inlets. The primary acoustic radiation force generated by the taSSAW field was exploited in order to migrate the particles across the microchannel through multiple laminar streams, which contained the buffer and coating chemicals...
October 18, 2016: Lab on a Chip
Richard Quek, Mohamad Farid, Yada Kanjanapan, Cindy Lim, Iain Beehuat Tan, Sittampalam Kesavan, Tony Kiat Hon Lim, Lynette Lin-Ean Oon, Brian Kp Goh, Weng Hoong Chan, Melissa Teo, Alexander Yf Chung, Hock Soo Ong, Wai Keong Wong, Patrick Tan, Desmond Yip
AIM: Benefit of adjuvant imatinib therapy following curative resection in patients with intermediate-risk gastrointestinal stromal tumor (GIST) is unclear. GIST-specific exon mutations, in particular exon 11 deletions, have been shown to be prognostic. We hypothesize that specific KIT mutations may improve risk stratification in patients with intermediate-risk GIST, identifying a subgroup of patients who may benefit from adjuvant therapy. METHODS: In total, 142 GIST patients with complete clinicopathologic and mutational data from two sites were included...
October 17, 2016: Asia-Pacific Journal of Clinical Oncology
Tony Ht Sung, Annie Cw Tam, Jennifer Ls Khoo
Dermatofibrosarcoma Protuberans (DFSP) is a rare malignant soft-tissue neoplasm which is often misdiagnosed due to its indolent clinical course and non-specific radiological appearances. An observation case series was conducted with retrospective review of clinical and radiological data of DFSP patients presenting to a major tertiary hospital in Hong Kong for radiological assessment between November 2006 and February 2016. Seven patients with confirmed histological diagnosis of DFSP were included. Tumour sizes at presentation ranged from 1 to 5 cm, most commonly (n = 6) occurred over chest wall and abdominal wall...
October 18, 2016: Journal of Medical Imaging and Radiation Oncology
Christopher S Evans, Katherine M Hunld, Tony Rosen, Timothy F Platts-Mills
OBJECTIVES: To estimate the proportion of visits to U.S. emergency departments (EDs) in which a diagnosis of elder abuse is reached using two nationally representative datasets. DESIGN: Retrospective cross-sectional analysis. SETTING: U.S. ED visits recorded in the 2012 Nationwide Emergency Department Sample (NEDS) or the 2011 National Hospital Ambulatory Medical Care Survey (NHAMCS). PARTICIPANTS: All ED visits of individuals aged 60 and older...
October 18, 2016: Journal of the American Geriatrics Society
Dorothy Kammerer-Doak, Kamil Svabik, Tony Bazi
INTRODUCTION AND HYPOTHESIS: Members of the International Urogynecological Association (IUGA) come from different geographic locations and practice settings. A member survey regarding practice patterns provides valuable information for practitioners and researchers alike, and allows the IUGA to discover areas to focus on education and information dissemination. METHODS: A questionnaire was developed by the IUGA Research and Development committee and distributed electronically to IUGA surgeons...
October 17, 2016: International Urogynecology Journal
Klaus Peter Ebke, Jan Ahlers, Thomas Braunbeck, Jörg Oehlmann, Toni Ratte, Ralf B Schäfer, Adolf Eisenträger, Andreas Schäffer
This article gives a comprehensive overview on the strategy, the development and the progress of the German postgraduate degree program in ecotoxicology (SETAC GLB and GDCh). The program soon prompted positive results: more than 10 years now the courses had an average enrolment rate of 90 %, and employment-seeking graduates from the first courses mostly succeeded in quickly finding employment relevant to their training. With over 450 students enrolled to date, the degree program contributes significantly to the field of Environmental Chemistry and Ecotoxicology...
2016: Environmental Sciences Europe
Jaya Sanyal, Shiek S S J Ahmed, Hon Keung Tony Ng, Tufan Naiya, Epsita Ghosh, Tapas Kumar Banerjee, Jaya Lakshmi, Gautam Guha, Vadlamudi Raghavendra Rao
Parkinson's disease (PD) is a neurodegenerative disease with the absence of markers for diagnosis. Several studies on PD reported the elements imbalance in biofluids as biomarkers. However, their results remained inconclusive. This study integrates metallomics, multivariate and artificial neural network (ANN) to understand element variations in CSF and serum of PD patients from the largest cohort of Indian population to solve the inconsistent results of previous studies. Also, this study is aimed to (1) ascertain a common element signature between CSF and serum...
October 18, 2016: Scientific Reports
Brian H Lang, Tony Shek, Angel On-Kei Chan, C Y Lo, Koon Yat Wan
Background To balance the risk of disease progression, morbidity and efficacy of reoperative central neck dissection (RCND) in papillary thyroid carcinoma, the latest clinical guidelines recommend early surgery over surveillance when the largest diseased node is >8 mm in its smallest dimension. However, the evidence remains scarce. To determine an appropriate size for first-time RCND, we examined the relationship between size of largest diseased central node, morbidity and response-to-therapy following RCND...
October 17, 2016: Thyroid: Official Journal of the American Thyroid Association
Tony Pham, Katherine A Forrest, KaiJie Chen, Amrit Kumar, Michael J Zaworotko, Brian Space
Molecular simulations of CO2 and H2 sorption were performed in MPM-1-Cl and MPM-1-TIFSIX, two robust molecular porous materials (MPMs) with the empirical formula [Cu2(adenine)4Cl2]Cl2 and [Cu2(adenine)4(TiF6)2], respectively. Recent experimental studies have shown that MPM-1-TIFSIX displayed higher CO2 uptake and isosteric heat of adsorption (Qst) than MPM-1-Cl [Nugent, P. S.; et al. J. Am. Chem. Soc. 2013, 135, 10950-10953.]. This was verified through the simulations executed herein, as the presented simulated CO2 sorption isotherms and Qst values are in very good agreement with the corresponding experimental data for both MPMs...
October 17, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Jason Madan, Tony Ades, Pelham Barton, Laura Bojke, Ernest Choy, Philip Helliwell, Paresh Jobanputra, Ken Stein, Andrew Stevens, Jonathan Tosh, Suzanne Verstappen, Allan Wailoo
INTRODUCTION: Biologic therapies are efficacious but costly. A number of health economic models have been developed to determine the most cost-effective way of using them in the treatment pathway. These models have produced conflicting results, driven by differences in assumptions, model structure, and data, which undermine the credibility of funding decisions based on modeling studies. A Consensus Working Party met to discuss recommendations and approaches for future models of biologic therapies...
December 2015: Rheumatol Ther
Marino Börjesson, Toni Moragas, Daniel Gallego, Ruben Martin
The recent years have witnessed the development of metal-catalyzed reductive carboxylation of organic (pseudo)halides with CO2 as C1 source, representing potential powerful alternatives to existing methodologies for preparing carboxylic acids, privileged motifs in a myriad of pharmaceuticals and molecules displaying significant biological properties. While originally visualized as exotic cross-coupling reactions, a close look into the literature data indicates that these processes have become a fertile ground, allowing for the utilization of a variety of coupling partners, even with particularly challenging substrate combinations...
October 7, 2016: ACS Catalysis
Felix Neumaier, Mario Paterno, Serdar Alpdogan, Etienne E Tevoufouet, Toni Schneider, Jürgen Hescheler, Walid Albanna
Brain surgery to promote behavioural or affective changes in men remains one of the most controversial topics at the interface of medicine, psychiatry, neuroscience and bioethics. Rapid expansion of neuropsychiatric deep brain stimulation has recently revived the field and warrants a careful appraisal of its two sides, namely the promise to help severely devastated patients on the one hand and the dangers of premature application without appropriate justification on the other. Here, we reconstruct the vivid history of the field and examine its present status to delineate the progression from crude free-hand operations into a multi-disciplinary treatment of last resort...
October 13, 2016: World Neurosurgery
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