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https://www.readbyqxmd.com/read/28110298/idh1-mutation-in-diffuse-gliomas-in-persons-age-55-years-and-over
#1
Chase Robinson, B K Kleinschmidt-DeMasters
Diffuse astrocytoma (DA), anaplastic astrocytoma (AA), and glioblastoma (GBM) are defined by the World Health Organization (WHO) based on IDH-mutational status. The vast majority of IDH-mutated gliomas (90% of which involve a mutation in IDH1 R132H, which can be assessed by IDH1 immunohistochemistry [IHC]) occur in persons younger than 55 years of age. This raises the question as to the prevalence of IDH-mutant tumors in older persons and whether the gliomas in older patients should be routinely tested. Since January 1, 2014, we have employed a standard screening panel for all gliomas regardless of patient age...
January 21, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28110279/walking-the-c4-pathway-past-present-and-future
#2
REVIEW
Robert T Furbank
The year 2016 marks 50 years since the publication of the seminal paper by Hatch and Slack describing the biochemical pathway we now know as C4 photosynthesis. This review provides insight into the initial discovery of this pathway, the clues which led Hatch and Slack and others to these definitive experiments, some of the intrigue which surrounds the international activities which led up to the discovery, and personal insights into the future of this research field. While the biochemical understanding of the basic pathways came quickly, the role of the bundle sheath intermediate CO2 pool was not understood for a number of years, and the nature of C4 as a biochemical CO2 pump then linked the unique Kranz anatomy of C4 plants to their biochemical specialization...
January 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28110089/causal-evidence-of-the-involvement-of-the-right-occipital-face-area-in-face-identity-acquisition
#3
Géza Gergely Ambrus, Fabienne Windel, A Mike Burton, Gyula Kovács
There is growing evidence that the occipital face area (OFA), originally thought to be involved in the construction of a low-level representation of the physical features of a face, is also taking part in higher-level face processing. To test whether the OFA is causally involved in the learning of novel face identities, we have used transcranial magnetic stimulation (TMS) together with a sequential sorting - face matching paradigm (Andrews et al. 2015). First, participants sorted images of two unknown persons during the initial learning phase while either their right OFA or the Vertex was stimulated using TMS...
January 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28109986/comparative-prediction-of-nonepileptic-events-using-mmpi-2-clinical-scales-harris-lingoes-subscales-and-restructured-clinical-scales
#4
Karim Z Yamout, Robin J Heinrichs, Lyle E Baade, Dana K Soetaert, Kore K Liow
The Minnesota Multiphasic Personality Inventory-2 (MMPI-2) is a psychological testing tool used to measure psychological and personality constructs. The MMPI-2 has proven helpful in identifying individuals with nonepileptic events/nonepileptic seizures. However, the MMPI-2 has had some updates that enhanced its original scales. The aim of this article was to test the utility of updated MMPI-2 scales in predicting the likelihood of non-epileptic seizures in individuals admitted to an EEG video monitoring unit...
January 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28109951/a-cognitive-approach-for-design-of-a-multimedia-informed-consent-video-and-website-in-pediatric-research
#5
Holly Antal, H Timothy Bunnell, Suzanne M McCahan, Chris Pennington, Tim Wysocki, Kathryn Blake
OBJECTIVE: Poor participant comprehension of research procedures following the conventional face-to-face consent process for biomedical research is common. We describe the development of a multimedia informed consent video and website that incorporates cognitive strategies to enhance comprehension of study related material directed to parents and adolescents. MATERIALS AND METHODS: A multidisciplinary team was assembled for development of the video and website that included human subjects professionals; psychologist researchers; institutional video and web developers; bioinformaticians and programmers; and parent and adolescent stakeholders...
January 18, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28109869/outcomes-infectiousness-and-transmission-dynamics-of-patients-with-extensively-drug-resistant-tuberculosis-and-home-discharged-patients-with-programmatically-incurable-tuberculosis-a-prospective-cohort-study
#6
Keertan Dheda, Jason D Limberis, Elize Pietersen, Jody Phelan, Aliasgar Esmail, Maia Lesosky, Kevin P Fennelly, Julian Te Riele, Barbara Mastrapa, Elizabeth M Streicher, Tania Dolby, Abdallah M Abdallah, Fathia Ben-Rached, John Simpson, Liezel Smith, Tawanda Gumbo, Paul van Helden, Frederick A Sirgel, Ruth McNerney, Grant Theron, Arnab Pain, Taane G Clark, Robin M Warren
BACKGROUND: The emergence of programmatically incurable tuberculosis threatens to destabilise control efforts. The aim of this study was to collect prospective patient-level data to inform treatment and containment strategies. METHODS: In a prospective cohort study, 273 South African patients with extensively drug-resistant tuberculosis, or resistance beyond extensively drug-resistant tuberculosis, were followed up over a period of 6 years. Transmission dynamics, infectiousness, and drug susceptibility were analysed in a subset of patients from the Western Cape using whole-genome sequencing (WGS; n=149), a cough aerosol sampling system (CASS; n=26), and phenotypic testing for 18 drugs (n=179)...
January 18, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28109818/identification-of-a-compound-isolated-from-german-chamomile-matricaria-chamomilla-with-dermal-sensitization-potential
#7
Cristina Avonto, Diego Rua, Pradeep B Lasonkar, Amar G Chittiboyina, Ikhlas A Khan
German chamomile is one of the most popular herbal ingredients used in cosmetics and personal care products. Allergic skin reactions following topical application of German chamomile have been occasionally reported, although it is not fully understood which of the chemical constituents is responsible for this adverse effect. In the present work, three candidate sensitizers were isolated from German chamomile based on activity-guided fractionation of chamomile extracts tested using the in vitro KeratinoSens™ assay...
January 18, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28109735/implementation-and-evaluation-of-two-educational-strategies-to-improve-screening-for-eating-disorders-in-pediatric-primary-care
#8
Holly C Gooding, Elizabeth Cheever, Sara F Forman, Jonathan Hatoun, Farah Jooma, Currie Touloumtzis, Louis Vernacchio
PURPOSE: Routine screening for disordered eating or body image concerns is recommended by the American Academy of Pediatrics. We evaluated the ability of two educational interventions to increase screening for eating disorders in pediatric primary care practice, predicting that the "active-learning" group would have an increase in documented screening after intervention. METHODS: We studied 303 practitioners in a large independent practice association located in the northeastern United States...
January 18, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28109607/technical-note-an-improved-tool-to-insert-lines-for-abomasal-infusion-in-rumen-cannulated-cattle
#9
Edwin Westreicher-Kristen, Andreas Susenbeth
An improved tool was tested that considerably facilitates the insertion of abomasal infusion lines in ruminally cannulated cattle for postruminal infusion studies. The insertion device was made from a 68 × 25 mm section of 20-mm i.d. stainless steel device with a weight of 125 g. The general procedure to place the tool is to pass the insertion device with the infusion line through the rumen cannula, through the sulcus omasi (reticulo-omasal orifice), and finally into the abomasum. Once inside the omasum, the insertion device is placed inside the abomasum by gently shifting the infusion line from the flexible polyvinyl chloride tubing fitted to the insertion device...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28108183/evaluation-of-multiplex-assay-platforms-for-detection-of-influenza-hemagglutinin-subtype-specific-antibody-responses-influenza-ha-subtype-specific-antibody-detection-platform
#10
Zhu-Nan Li, Kimberly M Weber, Rebecca A Limmer, Bobbi J Horne, James Stevens, Joy Schwerzmann, Jens Wrammert, Megan McCausland, Andrew J Phipps, Kathy Hancock, Daniel B Jernigan, Min Levine, Jacqueline M Katz, Joseph D Miller
Influenza hemagglutination inhibition (HI) and virus microneutralization assays (MN) are widely used for seroprevalence studies. However, these assays have limited field portability and are difficult to fully automate for high throughput laboratory testing. To address these issues, three multiplex influenza subtype-specific antibody detection assays were developed using recombinant hemagglutinin antigens in combination with Chembio, Luminex(®), and ForteBio(®) platforms. Assay sensitivity, specificity, and subtype cross-reactivity were evaluated using a panel of well characterized human sera...
January 17, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28108154/collaborative-design-of-a-health-care-experience-survey-for-persons-with-disability
#11
Lisa I Iezzoni, Holly Matulewicz, Sarah A Marsella, Kimberley S Warsett, Dennis Heaphy, Karen Donelan
BACKGROUND: When assessing results of health care delivery system reforms targeting persons with disability, quality metrics must reflect the experiences and perspectives of this population. OBJECTIVE: For persons with disability and researchers to develop collaboratively a survey that addresses critical quality questions about a new Massachusetts health care program for persons with disability dually-eligible for Medicare and Medicaid. METHODS: Persons with significant physical disability or serious mental health diagnoses participated fully in all research activities, including co-directing the study, co-moderating focus groups, performing qualitative analyses, specifying survey topics, cognitive interviewing, and refining survey language...
January 8, 2017: Disability and Health Journal
https://www.readbyqxmd.com/read/28107969/a-new-paper-based-analytical-device-for-detection-of-glucose-6-phosphate-dehydrogenase-deficiency
#12
Phuritat Kaewarsa, Wanida Laiwattanapaisal, Attakorn Palasuwan, Duangdao Palasuwan
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a genetic haemolytic disorder. Most persons with G6PD deficiency are asymptomatic, but exposure to oxidant drugs, such as the anti-malarial drug primaquine, may induce haemolysis, which is commonly found in Asian countries. A reliable test is necessary for diagnosing the deficiency to prevent an acute haemolytic crisis. This study proposes a novel quantitative method to detect G6PD deficiency using paper-based analytical devices (G6PDD-PAD). Wax printing was utilized for fabricating circular reaction zone patterns in paper...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107890/affective-impairment-in-chronic-low-blood-pressure
#13
Stefan Duschek, Alexandra Hoffmann, Gustavo A Reyes Del Paso
OBJECTIVE: Physical complaints such as faintness, dizziness, cold limbs and headaches have been well-established in chronic low blood pressure (hypotension). This study investigated the occurrence of adverse emotional states and the symptoms of depression in this condition. As autonomic dysregulation, particularly diminished sympathetic tone, is believed to be involved in the etiology of hypotension, the impact of different facets of autonomic cardiovascular control on mood and depressive symptoms was also explored...
February 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28107643/does-psychological-well-being-change-following-treatment-an-exploratory-study-on-outpatients-with-eating-disorders
#14
Elena Tomba, Lucia Tecuta, Romana Schumann, Donatella Ballardini
Psychological well-being changes following cognitive-behavioral therapy-based treatment were investigated in outpatients with eating disorders (ED). While it is known that CBT reduces symptomatology in EDs, less is known about how changes in positive functioning may ensue. One-hundred and eighty five ED outpatients were analyzed for pre-treatment and post-treatment changes in psychological well-being (PWB) by last observation carried forward - Wilcoxon signed rank tests. Significant gains in all PWB dimensions were found, with moderate effect size correlations in environmental mastery (r=-...
January 7, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28107342/seroprevalence-of-chikungunya-virus-in-a-rural-community-in-brazil
#15
Rivaldo V Cunha, Karen S Trinta, Camila A Montalbano, Michel V F Sucupira, Maricelia M de Lima, Erenilde Marques, Izilyanne H Romanholi, Julio Croda
BACKGROUND: The emergence of the Chikungunya virus (CHIKV) is currently expanding. In 2015, 38,332 cases of Chikungunya were reported to the Brazilian epidemiological surveillance system. Eighteen months after notification of the first case in the city of Feira de Santana, we conducted the first serosurvey to define the magnitude of transmission in a rural community in Brazil. METHODOLOGY/MAIN FINDINGS: The serosurvey was conducted in a random sample of 450 residences in the Chapada district, located 100 kilometers from Feira de Santana...
January 20, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28107320/chemotherapy-safe-handling-limiting-nursing-exposure-with-a-hazardous-drug-control-program
#16
Rachael Crickman
BACKGROUND: Nurses and other healthcare workers are at risk for adverse health consequences from occupational exposure to hazardous drugs. 
. OBJECTIVES: An evidence-based program for nurses was implemented to improve safe handling practices and reduce exposure to hazardous drugs. 
. METHODS: A quasiexperimental design was used, with pre- and post-tests of knowledge about chemotherapy exposure and pre- and post-test observations of compliance with donning and doffing personal protective equipment (PPE)...
February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28105880/nursing-home-care-quality-a-cluster-analysis
#17
Vigdis Abrahamsen Grøndahl, Liv Berit Fagerli
Purpose The purpose of this paper is to explore potential differences in how nursing home residents rate care quality and to explore cluster characteristics. Design/methodology/approach A cross-sectional design was used, with one questionnaire including questions from quality from patients' perspective and Big Five personality traits, together with questions related to socio-demographic aspects and health condition. Residents ( n=103) from four Norwegian nursing homes participated (74.1 per cent response rate)...
February 13, 2017: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/28105585/how-feasible-is-multiple-time-point-web-based-data-collection-with-individuals-experiencing-street-homelessness
#18
Karin M Eyrich-Garg, Shadiya L Moss
Three barriers investigators often encounter when conducting longitudinal work with homeless or other marginalized populations are difficulty tracking participants, high rates of no-shows for follow-up interviews, and high rates of loss to follow-up. Recent research has shown that homeless populations have substantial access to information technologies, including mobile devices and computers. These technologies have the potential both to make longitudinal data collection with homeless populations easier and to minimize some of these methodological challenges...
January 19, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28105554/engagement-with-genetic-information-and-uptake-of-genetic-testing-the-role-of-trust-and-personal-cancer-history
#19
Megan C Roberts, Jennifer M Taber, William M Klein
We used national survey data to (1) determine the extent to which individuals trust the sources from which they are most likely to receive information about cancer-related genetic tests (BRCA1/2, Lynch syndrome), (2) examine how level of trust for sources of genetic information might be related to cancer-related genetic testing uptake, and (3) determine whether key factors, such as cancer history and numeracy, moderate the latter association. We used cross-sectional data from the Health Information National Trends Survey...
January 20, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28105523/a-mindful-self-compassion-videoconference-intervention-for-nationally-recruited-posttreatment-young-adult-cancer-survivors-feasibility-acceptability-and-psychosocial-outcomes
#20
Rebecca A Campo, Karen Bluth, Sheila J Santacroce, Sarah Knapik, Julia Tan, Stuart Gold, Kamaira Philips, Susan Gaylord, Gary N Asher
PURPOSE: Young adult (YA) cancer survivors report substantial distress, social isolation, and body image concerns that can impede successful reintegration into life years after treatment completion. Mindful Self-Compassion (MSC) interventions focus on developing mindfulness and self-compassion for managing distress, hardships, and perceived personal inadequacies. An MSC intervention would be beneficial in supporting YA survivors' management of psychosocial challenges that arise in survivorship; however, a telehealth intervention modality is essential for reaching this geographically dispersed population...
January 19, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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