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https://www.readbyqxmd.com/read/28449491/characteristics-and-provision-of-care-of-patients-with-the-acute-respiratory-distress-syndrome-descriptive-findings-from-the-dacapo-cohort-baseline-and-comparison-with-international-findings
#1
Frank Dodoo-Schittko, Susanne Brandstetter, Magdalena Brandl, Sebastian Blecha, Michael Quintel, Steffen Weber-Carstens, Stefan Kluge, Patrick Meybohm, Caroline Rolfes, Björn Ellger, Friedhelm Bach, Tobias Welte, Thomas Muders, Kathrin Thomann-Hackner, Thomas Bein, Christian Apfelbacher
BACKGROUND: Little is known about the characteristics and real world life circumstances of ARDS (acute respiratory distress syndrome) patient populations. This knowledge is essential for transferring evidence-based therapy into routine healthcare. The aim of this study was to report socio-demographic and clinical characteristics in an unselected population of ARDS patients and to compare these results to findings from other large ARDS cohorts. METHODS: A German based cross-sectional observational study was carried out...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449420/cytological-features-of-warthin-like-papillary-thyroid-carcinoma-a-case-report-with-review-of-previous-cytology-cases
#2
Archana George Vallonthaiel, Shipra Agarwal, Deepali Jain, Rajni Yadav, Nishikant A Damle
Warthin-like papillary thyroid carcinoma (WLPTC) is a rare morphological variant of papillary thyroid carcinoma which mimics various benign and malignant lesions on thyroid aspiration cytology. As correct cytological diagnosis is the cornerstone for appropriate patient management, awareness of the salient cytomorphological characteristics of this tumor is essential. Here, we present cytological features of a case of WLPTC along with discussion of the common differential diagnoses and a brief review of the literature to ascertain the most consistent cytological findings of WLPTC...
April 27, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28449403/effects-of-malnutrition-on-treatment-related-morbidity-and-survival-of-children-with-cancer-in-nicaragua
#3
Allison K Pribnow, Roberta Ortiz, Luis Fulgencio Báez, Luvy Mendieta, Sandra Luna-Fineman
BACKGROUND: Most children with cancer live in resource-limited countries where malnutrition is often prevalent. We identified the relationship between malnutrition and treatment-related morbidity (TRM), abandonment of therapy, and survival of children with cancer in Nicaragua to better inform targeted nutritional interventions. PROCEDURE: We conducted a retrospective review of patients aged 6 months to 18 years with newly diagnosed acute lymphoblastic leukemia, acute myeloid leukemia (AML), Wilms tumor, Hodgkin lymphoma, or Burkitt lymphoma (BL) who were treated between January 1, 2004, and December 31, 2007 at Children's Hospital Manuel de Jesus Rivera in Managua, Nicaragua...
April 27, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28449380/the-pas-domains-of-the-major-sporulation-kinase-in-bacillus-subtilis-play-a-role-in-tetramer-formation-that-is-essential-for-the%C3%A2-autokinase-activity
#4
Brittany Kiehler, Lindsey Haggett, Masaya Fujita
Sporulation in Bacillus subtilis is induced upon starvation. In a widely accepted model, an N-terminal "sensor" domain of the major sporulation kinase KinA recognizes a hypothetical starvation signal(s) and autophosphorylates a histidine residue to activate the master regulator Spo0A via a multicomponent phosphorelay. However, to date no confirmed signal has been found. Here, we demonstrated that PAS-A, the most N-terminal of the three PAS domains (PAS-ABC), is dispensable for the activity, contrary to a previous report...
April 27, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28449308/a-qualitative-study-of-the-knowledge-behaviour-and-attitudes-of-patients-with-skin-cancer-regarding-sunlight-exposure-and-vitamin-d
#5
D Rutkowski, M D Farrar, J E Osman, A R Webb, L E Rhodes
BACKGROUND: Solar UVR is a major cause of skin cancer but also an important source of vitamin D (VitD), essential for musculoskeletal health. Conflicting public health messages may confuse skin cancer patients prone to further skin cancer. OBJECTIVE: To explore the knowledge, behaviour and attitudes of skin cancer patients to sunlight exposure and VitD sources. METHODS: Patients (n=10) previously treated for multiple basal cell cancer in a hospital setting, participated in focus group sessions with semi-structured discussions to explore: knowledge of VitD, sun-avoidance behaviour, and attitude towards sunlight exposure messages...
April 27, 2017: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/28449291/consumer-and-carer-perspectives-in-the-development-of-a-mental-health-research-treatment-and-teaching-facility-a-thematic-analysis
#6
M Katsikitis, B R Lane, I Ozols, D Statham
INTRODUCTION: Recovery-oriented mental health policies recognise consumer and carer participation in service decision-making as essential, but little is known about the views of these individuals in the earliest stages of service development. AIM: This study sought consumer and carer perspectives addressing the establishment of a mental health research, treatment, and teaching facility in their region. METHODS: Two 2 hr focus groups were conducted, with separate groups held for mental health consumers (n = 9) and carers (n = 9) respectively...
April 27, 2017: Journal of Psychiatric and Mental Health Nursing
https://www.readbyqxmd.com/read/28449224/validation-of-omi-uv-satellite-data-using-spectral-and-broadband-surface-based-measurements-at-a-queensland-site
#7
Mustapha A Jebar, Alfio V Parisi, Nathan J Downs, Joanna F Turner
This research reconstructed and validated the broadband UVA irradiances derived from discrete spectral irradiance data retrieved from the Ozone Monitoring Instrument (OMI) satellite from 1 January to 31 December 2009. OMI data at solar noon was compared to ground based spectral irradiances at Toowoomba (27°36' S 151°55' E), Australia at 310, 324 and 380 nm for both cloud free and all sky conditions. There was a strong relationship between the ground based UV spectroradiometer data and satellite based measurements with an R(2) of 0...
April 27, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28449168/mri-sequences-in-head-neck-radiology-state-of-the-art
#8
Gerlig Widmann, Benjamin Henninger, Christian Kremser, Werner Jaschke
Background Magnetic resonance imaging (MRI) has become an essential imaging modality for the evaluation of head & neck pathologies. However, the diagnostic power of MRI is strongly related to the appropriate selection and interpretation of imaging protocols and sequences. The aim of this article is to review state-of-the-art sequences for the clinical routine in head & neck MRI and to describe the evidence for which medical question these sequences and techniques are useful. Method Literature review of state-of-the-art sequences in head & neck MRI...
May 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28449123/capturing-a-mammalian-dna-polymerase-extending-from-an-oxidized-nucleotide
#9
Amy M Whitaker, Mallory R Smith, Matthew A Schaich, Bret D Freudenthal
The oxidized nucleotide, 8-oxo-7,8-dihydro-2΄-deoxyguanosine (8-oxoG), is one of the most abundant DNA lesions. 8-oxoG plays a major role in tumorigenesis and human disease. Biological consequences of 8-oxoG are mediated in part by its insertion into the genome, making it essential to understand how DNA polymerases handle 8-oxoG. Insertion of 8-oxoG is mutagenic when opposite adenine but not when opposite cytosine. However, either result leads to DNA damage at the primer terminus (3΄-end) during the succeeding insertion event...
April 26, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28449115/estimation-of-state-level-prevalence-of-hepatitis-c-virus-infection-us-states-and-district-of-columbia-2010
#10
Eli S Rosenberg, Eric W Hall, Patrick S Sullivan, Travis H Sanchez, Kimberly A Workowski, John W Ward, Deborah Holtzman
Background.: Hepatitis C virus (HCV) infection is the most common chronic blood-borne infection in the United States and a leading cause of morbidity and mortality. Previous analyses of the US National Health and Nutrition Examination Survey (NHANES) indicated approximately 3.6 million noninstitutionalized persons with antibody to HCV (anti-HCV). However, state-level prevalence remains less understood and cannot be estimated reliably from NHANES alone. Methods.: We used 3 publicly available government data sources to estimate anti-HCV prevalence in each US state among noninstitutionalized persons aged ≥18 years...
April 26, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28449068/development-of-a-novel-human-recellularized-endometrium-that-responds-to-a-28-day-hormone-treatment
#11
Susan A Olalekan, Joanna E Burdette, Spiro Getsios, Teresa K Woodruff, J Julie Kim
Three dimensional (3D) in vitro models have been established to study the physiology and pathophysiology of the endometrium. With emerging evidence that the native extracellular matrix (ECM) provides appropriate cues and growth factors essential for tissue homeostasis, we describe, a novel 3D endometrium in vitro model developed from decellularized human endometrial tissue repopulated with primary endometrial cells. Analysis of the decellularized endometrium using mass spectrometry analysis revealed an enrichment of cell adhesion molecules, cytoskeletal proteins and ECM proteins such as Collagen IV and Laminin...
April 25, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28449040/toxin-antitoxin-systems-and-their-role-in-disseminating-and-maintaining-antimicrobial-resistance
#12
Qiu E Yang, Timothy R Walsh
Toxin-antitoxin systems (TAs) are ubiquitous among bacteria and play a crucial role in the dissemination and evolution of antibiotic resistance, such as maintaining multi-resistant plasmids and inducing persistence formation. Generally, activities of the toxins are neutralised by their conjugate antitoxins. In contrast, antitoxins are more liable to degrade under specific conditions such as stress, and free active toxins interfere with essential cellular processes including replication, translation and cell-wall synthesis...
March 16, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28449025/reltime-rates-collapses-to-a-strict-clock-when-estimating-the-timeline-of-animal-diversification
#13
Jesus Lozano-Fernandez, Mario Dos Reis, Philip C J Donoghue, Davide Pisani
Establishing an accurate timescale for the history of life is crucial to understand evolutionary processes. To this scope, relaxed molecular clock models implemented in a Bayesian MCMC framework are generally used. However, these methods are time consuming. RelTime, a non-Bayesian method implementing a fast, ad hoc, algorithm for relative dating, was developed to overcome the computational inefficiencies of Bayesian software. RelTime was recently used to investigate the origin of animals, and found results consistent with outdated studies from the 1980es and 1990es that recovered metazoans to have a Mesoproterozoic origin (originating approximately 1...
April 25, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28448992/bethesda-made-it-clearer-a-review-of-542-patients-in-a-single-institution
#14
Yunus Acar, Lütfi Doğan, H Erhan Güven, Bülent Aksel, Niyazi Karaman, Cihangir Özaslan, M Ali Gülçelik
BACKGROUND: It is essential to interpret fine needle aspiration biopsy (FNAB) material correctly to create a common language among pathologists and surgeons, leading to a uniform approach to thyroid nodule management. We aimed to compare FNAB reports of patients at our institution who were treated with total thyroidectomy, before and after the Bethesda classification system. PATIENTS AND METHODS: Patients who underwent total thyroidectomy for thyroid nodules are reviewed...
March 21, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28448960/utility-of-genomic-analysis-in-differentiating-synchronous-and-metachronous-lung-adenocarcinomas-from-primary-adenocarcinomas-with-intrapulmonary-metastasis
#15
Jad Saab, Hamid Zia, Susan Mathew, Michael Kluk, Navneet Narula, Helen Fernandes
Distinguishing synchronous and metachronous primary lung adenocarcinomas from adenocarcinomas with intrapulmonary metastasis is essential for optimal patient management. In this study, multiple lung adenocarcinomas occurring in the same patient were evaluated using comprehensive histopathologic evaluation supplemented with molecular analysis. The cohort included 18 patients with a total of 52 lung adenocarcinomas. Eleven patients had a new diagnosis of multiple adenocarcinomas in the same lobe (n=5) or different lobe (n=6)...
April 24, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28448956/concentration-dependent-switch-in-the-kinetic-pathway-of-lysozyme-fibrillation-spectroscopic-and-microscopic-analysis
#16
E Kiran Kumar, Deepak Kumar Prasad, N Prakash Prabhu
Formation of amyloid fibrils is found to be a general tendency of many proteins. Investigating the kinetic mechanisms and structural features of the intermediates and the final fibrillar state is essential to understand their role in amyloid diseases. Lysozyme, a notable model protein for amyloidogenic studies, readily formed fibrils in vitro at neutral pH in the presence of urea. It, however, showed two different kinetic pathways under varying urea concentrations when probed with thioflavin T (ThT) fluorescence...
April 17, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28448921/novel-bone-surrogates-for-cranial-surgery-training
#17
Marianne Hollensteiner, David Fürst, Benjamin Esterer, Peter Augat, Falk Schrödl, Stefan Hunger, Michael Malek, Daniel Stephan, Andreas Schrempf
Parietal graft lifts are trained on human or animal specimens or are directly performed on patients without extensive training. In order to prevent harm to the patient resulting from fast rotating machinery tools, the surgeon needs to apply appropriate forces. Realistic haptics are essential to identify the varying parietal bone layers and to avoid a penetration of the brain. This however, requires experience and training. Therefore, in this study, bone surrogate materials were evaluated with the aim to provide an anatomically correct artificial skull cap with realistic haptic feedback for graft lift training procedures...
April 19, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28448907/characterization-of-typical-metal-particles-during-haze-episodes-in-shanghai-china
#18
Rui Li, Xin Yang, Hongbo Fu, Qingqing Hu, Liwu Zhang, Jianmin Chen
Aerosol particles were collected during three heavy haze episodes at Shanghai in the winter of 2013. Transmission electron microscopy (TEM) coupled with energy dispersive X-ray spectroscopy was used to study the morphology and speciation of typical metal particles at a single-particle level. In addition, time-of-flight aerosol mass spectrometry (ATOFMS) was applied to identify the speciation of the Fe-containing particles. TEM analysis indicated that various metal-containing particles were hosted by sulfates, nitrates, and oxides...
April 19, 2017: Chemosphere
https://www.readbyqxmd.com/read/28448852/reproducibility-of-scapular-muscle-activity-in-isokinetic-shoulder-flexion-and-extension
#19
Monique Wochatz, Sophie Rabe, Martin Wolter, Tilman Engel, Steffen Mueller, Frank Mayer
Repetitive overhead movements have been identified as a main risk factor to develop shoulder complaints with scapular muscle activity being altered. Reliable assessment of muscle activity is essential to differentiate between symptomatic and asymptomatic individuals. Therefore, the present study aimed to investigate the intra- and inter-session reliability of scapular muscle activity during maximal isokinetic shoulder flexion and extension. Eleven asymptomatic adults performed maximum effort isokinetic shoulder flexion and extension (concentric and eccentric at 60°/s) in a test-retest design...
April 13, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28448822/hssb1-phosphorylation-is-dynamically-regulated-by-dna-pk-and-ppp-family-protein-phosphatases
#20
Nicholas W Ashton, Nicolas Paquet, Sally L Shirran, Emma Bolderson, Ruvini Kariawasam, Christine Touma, Azadeh Fallahbaghery, Roland Gamsjaeger, Liza Cubeddu, Catherine Botting, Pamela M Pollock, Kenneth J O'Byrne, Derek J Richard
The maintenance of genomic stability is essential for cellular viability and the prevention of diseases such as cancer. Human single-stranded DNA-binding protein 1 (hSSB1) is a protein with roles in the stabilisation and restart of stalled DNA replication forks, as well as in the repair of oxidative DNA lesions and double-strand DNA breaks. In the latter process, phosphorylation of threonine 117 by the ATM kinase is required for hSSB1 stability and efficient DNA repair. The regulation of hSSB1 in other DNA repair pathways has however remained unclear...
April 6, 2017: DNA Repair
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