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Kristen Healy
The goal of this study was to evaluate the use of stable isotope labeled compounds to better understand factors influencing energy turnover in larval Culex quinquefasciatus (Say; Diptera: Culicidae). Three isotope labeled compounds were evaluated in this study, including 15N-labeled potassium nitrate, 13C-labeled glucose, and 13C-labeled leucine. Conditions were first optimized in the laboratory to determine the most appropriate concentration of isotope, as well as the half-life of enrichment. Once optimum conditions were established we used standard equations to predict and determine temperature and density-dependent energy turnover rates...
March 14, 2018: Journal of Medical Entomology
Laura Wallard, Sophie Boulet, Olivier Cornu, Jean-Emile Dubuc, Philippe Mahaudens, Didier Postlethwaite, Maïté Van Cauter, Christine Detrembleur
BACKGROUND: The gait mechanism requires an efficient intersegmental coordination in order to ensure the displacement of the body while simultaneously maintaining the postural stability. However, intersegmental coordination may be disrupted by neurological or orthopaedic involvement, this increasing the metabolic cost associated with excessive or prolonged muscle co-contraction. RESEARCH QUESTION: Our aim was to evaluate and to understand how hip OA affects lower limbs coordination during gait by using the kinematic segmental covariation law method and predict the energy expenditure...
March 7, 2018: Gait & Posture
Davina Gale, Andrew R J Lawson, Karen Howarth, Mikidache Madi, Bradley Durham, Sarah Smalley, John Calaway, Shannon Blais, Greg Jones, James Clark, Peter Dimitrov, Michelle Pugh, Samuel Woodhouse, Michael Epstein, Ana Fernandez-Gonzalez, Alexandra S Whale, Jim F Huggett, Carole A Foy, Gerwyn M Jones, Hadas Raveh-Amit, Karin Schmitt, Alison Devonshire, Emma Green, Tim Forshew, Vincent Plagnol, Nitzan Rosenfeld
INTRODUCTION: Detection and monitoring of circulating tumor DNA (ctDNA) is rapidly becoming a diagnostic, prognostic and predictive tool in cancer patient care. A growing number of gene targets have been identified as diagnostic or actionable, requiring the development of reliable technology that provides analysis of multiple genes in parallel. We have developed the InVision™ liquid biopsy platform which utilizes enhanced TAm-Seq™ (eTAm-Seq™) technology, an amplicon-based next generation sequencing method for the identification of clinically-relevant somatic alterations at low frequency in ctDNA across a panel of 35 cancer-related genes...
2018: PloS One
Yimin Wang, Fang Ye, Chanyan Huang, Faling Xue, Yingyuan Li, Shaowei Gao, Zeting Qiu, Si Li, Qinchang Chen, Huaqiang Zhou, Yiyan Song, Wenqi Huang, Wulin Tan, Zhongxing Wang
BACKGROUND: Neuropathic pain is one of the common complications after spinal cord injury (SCI), affecting patients' life quality. The molecular mechanism for neuropathic pain after SCI is still unclear. We aimed to discover potential genes and MicroRNAs(miRNAs) related to neuropathic pain by bioinformatics method. METHODS: Microarray data of GSE69901 were obtained from Gene Expression Omnibus (GEO) database. Peripheral blood samples from patients with or without neuropathic pain after spinal cord injury (SCI) were collected...
March 15, 2018: Clinical Journal of Pain
Sakshi Chopra, Harsimarpreet Kaur, Ravindra M Pandey, Ashima Nehra
Background: Due to the paucity of quick, cognitive screening tools available in India that are independent of cultural and educational influences, a 6-item paper and pencil test, covering areas of memory, executive functioning, attention, and visuospatial ability domains - the Neuropsychological Evaluation Screening Tool (NEST) was developed. Aim and Method: NEST was administered to 84 healthy controls to analyze, revise, and review items. In the second phase, 408 patients, above 16 years of age, with their educational level ranging from being illiterate to having greater than 25 years of education, with various neurological and psychiatric conditions were independently administered NEST, Hindi Mental State Examination (HMSE), and a detailed cognitive evaluation using PGI Memory Scale (PGIMS)...
March 2018: Neurology India
Joseph P Herbert, Sidish S Venkataraman, Ali H Turkmani, Liang Zhu, Marcia L Kerr, Rajan P Patel, Irma T Ugalde, Stephen A Fletcher, David I Sandberg, Charles S Cox, Ryan S Kitagawa, Arthur L Day, Manish N Shah
OBJECTIVE The objective of this study was to assess the incidence, diagnosis, and treatment of pediatric blunt cerebrovascular injury (BCVI) at a busy Level 1 trauma center and to develop a tool for accurately predicting pediatric BCVI and the need for diagnostic testing. METHODS This is a retrospective cohort study of a prospectively collected database of pediatric patients who had sustained blunt trauma (patient age range 0-15 years) and were treated at a Level 1 trauma center between 2005 and 2015. Digital subtraction angiography, MR angiography, or CT angiography was used to confirm BCVI...
March 16, 2018: Journal of Neurosurgery. Pediatrics
Guido Kobbe, Thomas Schroeder, Rainer Haas, Ulrich Germing
Allogeneic blood stem cell transplantation (aBSCT) still is the only curative therapy for patients with myelodysplastic syndromes. While it carries the hope for cure for some patients, it may result in severe toxicity and death from complications or recurrent disease in others. Recent developments have improved patient and donor selection as well as technical aspects of the transplant procedure and post-transplant care, including early detection and treatment of relapse. Areas covered: This review will discuss current stratification tools to identify suitable patients, donors and transplant techniques...
March 16, 2018: Expert Review of Hematology
Charles S Dela Cruz, Richard G Wunderink, David C Christiani, Stephania A Cormier, Kristina Crothers, Claire M Doerschuk, Scott E Evans, Daniel R Goldstein, Purvesh Khatri, Lester Kobzik, Jay K Kolls, Bruce D Levy, Mark L Metersky, Michael S Niederman, Roomi Nusrat, Carlos J Orihuela, Paula Peyrani, Alice S Prince, Julio A Ramírez, Karen M Ridge, Sanjay Sethi, Benjamin T Suratt, Jacob I Sznajder, Ephraim L Tsalik, Allan J Walkey, Sachin Yende, Neil R Aggarwal, Elisabet V Caler, Joseph P Mizgerd
Pneumonia is a complex pulmonary disease in need of new clinical approaches. While triggered by a pathogen, pneumonia often results from dysregulations of host defense that likely precede infection. The coordinated activities of immune resistance and tissue resilience then dictate whether and how pneumonia progresses or resolves. Inadequate or inappropriate host responses lead to more severe outcomes such as ARDS and to organ dysfunction beyond the lungs and overextended time-frames after pathogen clearance, some of which increase the risk for subsequent pneumonias...
March 16, 2018: American Journal of Respiratory and Critical Care Medicine
Michael B Wayson, Wesley E Bolch
Various computational tools are currently available that facilitate patient organ dosimetry in diagnostic nuclear medicine, yet they are typically restricted to reporting organ doses to ICRP-defined reference phantoms. The present study, while remaining computational phantom based, provides straightforward tools to adjust reference phantom organ dose for both internal photon and electron sources. A wide variety of monoenergetic specific absorbed fractions (SAFs) were computed using radiation transport simulations for tissue spheres of varying size and separation distance...
March 16, 2018: Physics in Medicine and Biology
Alberto Pilotto, Simone Dini, Nicola Veronese, Julia Daragjati, Manuela Miolo, Monica M Mion, Andrea Fontana, Mario Lo Storto, Martina Zaninotto, Giada Bragato, Alberto Cella, Paolo Carraro, Filomena Addante, Massimiliano Copetti, Mario Plebani
BACKGROUND: To evaluate the prognostic accuracy of pro-ADM (adrenomedullin) in comparison with and in addition to the Multidimensional Prognostic Index (MPI), a validated predictive tool for mortality derived from a Comprehensive Geriatric Assessment (CGA), to predict one-month mortality risk in older patients hospitalized with community-acquired pneumonia (CAP). METHODS: All patients aged 65 years and older, consecutively admitted to an acute geriatric ward with a diagnosis of CAP from February to July 2012...
March 15, 2018: Panminerva Medica
Li Zhang, Jiasheng Chen, Chunming Gao, Chuanmiao Liu, Kuihua Xu
Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death worldwide. The early diagnosis of HCC is greatly helpful to achieve long-term disease-free survival. However, HCC is usually difficult to be diagnosed at an early stage. The aim of this study was to create the prediction model to diagnose HCC based on gene expression programming (GEP). GEP is an evolutionary algorithm and a domain-independent problem-solving technique. Clinical data show that six serum biomarkers, including gamma-glutamyl transferase, C-reaction protein, carcinoembryonic antigen, alpha-fetoprotein, carbohydrate antigen 153, and carbohydrate antigen 199, are related to HCC characteristics...
March 16, 2018: Medical & Biological Engineering & Computing
Anthony W Gannon, Jill E Langer, Richard Bellah, Sarah Ratcliffe, Jennifer Pizza, Sogol Mostoufi-Moab, Anne R Cappola, Andrew J Bauer
Context: Thyroid nodules are increasingly recognized in children and are associated with a greater risk for thyroid cancer compared to adults. Thyroid ultrasound is the favored tool for evaluation of thyroid nodules; however, there are limited data regarding the accuracy of thyroid ultrasound to confirm features associated with a low risk of thyroid cancer in children. Objectives: We examined whether thyroid ultrasound is capable of accurately identifying thyroid nodules at a low risk of malignancy in children...
March 12, 2018: Journal of Clinical Endocrinology and Metabolism
Iris Gorny, Kristina Krause, Anita Albert, Sabrina Schneider, Leona Möller, Lena Habermehl, Adam Strzelczyk, Felix Rosenow, Anke Hermsen, Susanne Knake, Katja Menzler
Objectives: The German socio-demographic estimation scale was developed by Jahn et al. (1) to quickly predict premorbid global cognitive functioning in patients. So far, it has been validated in healthy adults and has shown a good correlation with the full and verbal IQ of the Wechsler Adult Intelligence Scale (WAIS) in this group. However, there are no data regarding its use as a bedside test in epilepsy patients. Methods: Forty native German speaking adult patients with refractory epilepsy were included...
2018: Frontiers in Neurology
Alejandra Nieto, Holger Roehl
There has been a growing interest in recent years in the assessment of suitable vial/stopper combinations for storage and shipment of frozen drug products. Considering that the glass transition temperature (Tg) of butyl rubber stoppers used in Container Closure Systems (CCS) is between -55°C to -65°C, a storage or shipment temperature of a frozen product below the Tg of the rubber stopper, may require special attention, since below the Tg the rubber becomes more plastic-like and loses its elastic (sealing) characteristics...
March 15, 2018: PDA Journal of Pharmaceutical Science and Technology
M A Alsalem, A A Zaidan, B B Zaidan, M Hashim, H T Madhloom, N D Azeez, S Alsyisuf
CONTEXT: Acute leukaemia diagnosis is a field requiring automated solutions, tools and methods and the ability to facilitate early detection and even prediction. Many studies have focused on the automatic detection and classification of acute leukaemia and their subtypes to promote enable highly accurate diagnosis. OBJECTIVE: This study aimed to review and analyse literature related to the detection and classification of acute leukaemia. The factors that were considered to improve understanding on the field's various contextual aspects in published studies and characteristics were motivation, open challenges that confronted researchers and recommendations presented to researchers to enhance this vital research area...
May 2018: Computer Methods and Programs in Biomedicine
Carina Mihai, Vanessa Smith, Rucsandra Dobrota, Ana Maria Gheorghiu, Maurizio Cutolo, Oliver Distler
Systemic sclerosis (SSc) is a connective tissue disease with high morbidity and mortality, characterized by autoimmunity, obliterative vasculopathy involving mainly the microvasculature, and fibrosis. SSc-specific nailfold capillaroscopic changes have been defined, and nailfold capillaroscopy (NFC) is now unequivocally accepted to be a cornerstone for the early diagnosis of SSc. However, the use of NFC in patients already diagnosed with SSc is still not standardized. Several studies have shown that NFC abnormalities correlate with disease activity and severity and are predictive for disease worsening, such as occurrence of new digital ulcers...
March 12, 2018: Microvascular Research
Júlia Perera-Bel, Barbara Hutter, Christoph Heining, Annalen Bleckmann, Martina Fröhlich, Stefan Fröhling, Hanno Glimm, Benedikt Brors, Tim Beißbarth
BACKGROUND: A comprehensive understanding of cancer has been furthered with technological improvements and decreasing costs of next-generation sequencing (NGS). However, the complexity of interpreting genomic data is hindering the implementation of high-throughput technologies in the clinical context: increasing evidence on gene-drug interactions complicates the task of assigning clinical significance to genomic variants. METHODS: Here we present a method that automatically matches patient-specific genomic alterations to treatment options...
March 15, 2018: Genome Medicine
Christoph Ihle, Christoph Weiß, Gunnar Blumenstock, Ulrich Stöckle, Björn Gunnar Ochs, Christian Bahrs, Andreas Nüssler, Anna Janine Schreiner
BACKGROUND: Being at risk for malnutrition can be observed among hospitalized patients of all medical specialties. There are only few studies in arthroplasty dealing with defining and assessing malnutrition as such a potentially risk. This study aims to identify the risk for malnutrition following primary (pAP) and revision arthroplasty (rAP) (1) using non-invasive interview based assessment tools and to analyze effects on clinical outcome (2) and quality of life (3). METHODS: A consecutive series of hospitalized patients of a Department of Arthroplasty at a Level 1 Trauma Center in Western Europe was observed between June 2014 and June 2016...
March 15, 2018: BMC Musculoskeletal Disorders
Konstantinos C Tsolis, Evridiki-Pandora Tsare, Georgia Orfanoudaki, Tobias Busche, Katerina Kanaki, Reshmi Ramakrishnan, Frederic Rousseau, Joost Schymkowitz, Christian Rückert, Jörn Kalinowski, Jozef Anné, Spyridoula Karamanou, Maria I Klapa, Anastassios Economou
BACKGROUND: Members of the genus Streptomyces are Gram-positive bacteria that are used as important cell factories to produce secondary metabolites and secrete heterologous proteins. They possess some of the largest bacterial genomes and thus proteomes. Understanding their complex proteomes and metabolic regulation will improve any genetic engineering approach. RESULTS: Here, we performed a comprehensive annotation of the subcellular localization of the proteome of Streptomyces lividans TK24 and developed the Subcellular Topology of Polypeptides in Streptomyces database (SToPSdb) to make this information widely accessible...
March 15, 2018: Microbial Cell Factories
Chiara Anna Parente, Domenico Salvatore, Giampiero Maria Gallo, Fabrizio Cipollini
BACKGROUND: In almost all healthcare systems, no-shows (scheduled appointments missed without any notice from patients) have a negative impact on waiting lists, costs and resource utilization, impairing the quality and quantity of cares that could be provided, as well as the revenues from the corresponding activity. Overbooking is a tool healthcare providers can resort to reduce the impact of no-shows. METHODS: We develop an overbooking algorithm, and we assess its effectiveness using two methods: an analysis of the data coming from a practical implementation in an healthcare center; a simulation experiment to check the robustness and the potential of the strategy under different conditions...
March 15, 2018: BMC Health Services Research
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