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https://www.readbyqxmd.com/read/28631225/definition-of-the-upper-reference-limit-for-thyroglobulin-antibodies-according-to-the-national-academy-of-clinical-biochemistry-guidelines-comparison-of-eleven-different-automated-methods
#1
F D'Aurizio, P Metus, A Ferrari, B Caruso, R Castello, D Villalta, A Steffan, K Gaspardo, F Pesente, N Bizzaro, E Tonutti, S Valverde, C Cosma, M Plebani, R Tozzoli
PURPOSE: In the last two decades, thyroglobulin autoantibodies (TgAb) measurement has progressively switched from marker of thyroid autoimmunity to test associated with thyroglobulin (Tg) to verify the presence or absence of TgAb interference in the follow-up of patients with differentiated thyroid cancer. Of note, TgAb measurement is cumbersome: despite standardization against the International Reference Preparation MRC 65/93, several studies demonstrated high inter-method variability and wide variation in limits of detection and in reference intervals...
December 2017: Auto- Immunity Highlights
https://www.readbyqxmd.com/read/28629579/role-of-soce-architects-stim-and-orai-proteins-in-cell-death
#2
REVIEW
Jyoti Tanwar, Rajender K Motiani
Calcium (Ca(2+)) signaling plays a critical role in regulating plethora of cellular functions including cell survival, proliferation and migration. The perturbations in cellular Ca(2+) homeostasis can lead to cell death either by activating autophagic pathways or through induction of apoptosis. Endoplasmic reticulum (ER) is the major storehouse of Ca(2+) within cells and a number of physiological agonists mediate ER Ca(2+) release by activating IP3 receptors (IP3R). This decrease in ER Ca(2+) levels is sensed by STIM, which physically interacts and activates plasma membrane Ca(2+) selective Orai channels...
June 9, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28627820/performance-of-the-liaison%C3%A2-xl-murex-rechtlv-i-ii-immunoassay-in-the-detection-of-htlv-1-2-antibodies-in-serum
#3
Pierre Gantner, Aurelie Velay, Nicolas Guigue, Heidi Barth, Marie-Josee Wendling, Constance Delaugerre, Samira Fafi-Kremer
BACKGROUND: Human T-cell lymphotropic virus type 1 and 2 (HTLV-1/2) immunoassays are used for blood screen- ing from blood products, milk, and organ donors. METHODS: We assessed the performance of the DiaSorin Liaison® XL murex recHTLV-I/II immunoassay relative to the Abbott Architect® rHTLV-I/II immunoassay and with the Innogenetics immunoblot as confirmation. RESULTS: A panel of HTLV positive (n = 66) and negative (n = 30) sera was tested in both techniques within the same freeze/thaw cycle...
May 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28621228/diagnostic-performance-of-tumor-markers-afp-and-pivka-ii-in-chinese-hepatocellular-carcinoma-patients
#4
Shujing Huang, Feifei Jiang, Ying Wang, Yanhua Yu, Siqian Ren, Xiaowei Wang, Peng Yin, Jinli Lou
Alpha-fetoprotein is an effective biomarker as an aid in hepatocellular carcinoma detection in many countries. However, alpha-fetoprotein has its limitations, especially in early hepatocellular carcinoma diagnosis. Protein induced by vitamin K absence or antagonist-II is another biomarker that is used for hepatocellular carcinoma detection. The aim of this study is to compare the diagnostic performance of alpha-fetoprotein and protein induced by vitamin K absence or antagonist-II alone and in combination to explore improving biomarker performance as an aid in early hepatocellular carcinoma detection...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28612254/effect-of-urban-design-on-microclimate-and-thermal-comfort-outdoors-in-warm-humid-dar-es-salaam-tanzania
#5
Moohammed Wasim Yahia, Erik Johansson, Sofia Thorsson, Fredrik Lindberg, Maria Isabel Rasmussen
Due to the complexity of built environment, urban design patterns considerably affect the microclimate and outdoor thermal comfort in a given urban morphology. Variables such as building heights and orientations, spaces between buildings, plot coverage alter solar access, wind speed and direction at street level. To improve microclimate and comfort conditions urban design elements including vegetation and shading devices can be used. In warm-humid Dar es Salaam, the climate consideration in urban design has received little attention although the urban planning authorities try to develop the quality of planning and design...
June 14, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28610759/how-architectural-design-affords-experiences-of-freedom-in-residential-care-for-older-people
#6
Iris Van Steenwinkel, Bernadette Dierckx de Casterlé, Ann Heylighen
Human values and social issues shape visions on dwelling and care for older people, a growing number of whom live in residential care facilities. These facilities' architectural design is considered to play an important role in realizing care visions. This role, however, has received little attention in research. This article presents a case study of a residential care facility for which the architects made considerable effort to match the design with the care vision. The study offers insights into residents' and caregivers' experiences of, respectively, living and working in this facility, and the role of architectural features therein...
April 2017: Journal of Aging Studies
https://www.readbyqxmd.com/read/28602753/enhanced-toughening-of-the-crossed-lamellar-structure-revealed-by-nanoindentation
#7
Christopher L Salinas, Enrique Escobar de Obaldia, Chanhue Jeong, Jessica Hernandez, Pablo Zavattieri, David Kisailus
Gastropods shells have evolved to resist the threat of increasingly stronger predators that smash, peal, and crush their shells. Their shells are most commonly constructed from a crossed lamellar microstructure, which consists of an exquisitely architected arrangement of aragonitic mineral and organic encompassing at least four orders of hierarchy. It is this careful control of mineral and organic placement within the entire crossed lamellar structure that yields a four-order of magnitude increase in fracture toughness versus abiotic aragonite...
May 31, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28593872/establishing-consensus-based-assay-specific-99th-percentile-upper-reference-limits-to-facilitate-proper-utilization-of-cardiac-troponin-measurements
#8
Dina N Greene, Jillian R Tate
Implementation of the 99th percentile as the upper reference limit for cardiac troponin (cTn) assays is a seemingly lucid recommendation, but, in reality, is incredibly complex. Lack of harmonization between cTn assays diminishes the ability to have a single medical decision point across manufacturer assay/instruments. Moreover, even within a single cTn assay there are several published values corresponding to the "99th percentile". Variability in the determined value is primarily a function of population selection including: sample size, age, sex, exclusion criteria, and statistical methods...
April 13, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28581775/elastic-vector-solitons-in-soft-architected-materials
#9
B Deng, J R Raney, V Tournat, K Bertoldi
We demonstrate experimentally, numerically, and analytically that soft architected materials can support the propagation of elastic vector solitons. More specifically, we focus on structures comprising a network of squares connected by thin and highly deformable ligaments and investigate the propagation of planar nonlinear elastic waves. We find that for sufficiently large amplitudes two components-one translational and one rotational-are coupled together and copropagate without dispersion. Our results not only show that soft architected materials offer a new and rich platform to study the propagation of nonlinear waves, but also open avenues for the design of a new generation of smart systems that take advantage of nonlinearities to control and manipulate the propagation of large amplitude vibrations...
May 19, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28572429/an-architect-for-mental-health-an-appreciation-of-michele-tansella
#10
EDITORIAL
Graham Thornicroft
Michele Tansella, Professor of Psychiatry at the University of Verona, died in 2015. This editorial pays tribute to his contributions to scholarship in the field of psychiatric epidemiology and health service research, and to his highly effective efforts to improve mental healthcare, locally, nationally and internationally.
June 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/28567430/can-hepatitis-c-virus-antigen-testing-replace-ribonucleic-acid-polymearse-chain-reaction-analysis-for-detecting-hepatitis-c-virus-a-systematic-review
#11
REVIEW
Harun Khan, Andrew Hill, Janice Main, Ashley Brown, Graham Cooke
The complexity and cost of current diagnostics for hepatitis C virus (HCV) may act as a prevention to the scale-up of treatment in the developing world. Currently, ribonucleic acid (RNA)-polymerase chain reaction tests are the gold standard. However, there is potential for the use of simpler and cheaper antigen tests to confirm HCV infection in different clinical settings. We evaluated the sensitivity and specificity of antigen assays. This was compared with the reference-standard RNA assays. A subanalysis also assessed Architect core antigen test, which is the only commercially available antigen test on the market...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28558755/evaluation-of-a-species-specific-c-reactive-protein-assay-for-the-dog-on-the-abx-pentra-400-clinical-chemistry-analyzer
#12
Sarah Hindenberg, Stefanie Klenner-Gastreich, Nicole Kneier, Sabine Zielinsky, Kris Gommeren, Natali Bauer, Andreas Moritz
BACKGROUND: A canine-specific immunoturbidimetric CRP assay, Gentian Canine CRP Immunoassay) with species-specific controls and calibrators was introduced and recently evaluated on the clinical chemistry analyzer Abbott Architect c4000 as well as on the Olympus AU600. Aims of our study were 1) to independently evaluate the canine-specific CRP assay on the ABX Pentra 400 clinical chemistry analyzer in comparison to the previously validated human-based immunoturbidimetric assay (Randox Canine CRP assay) and 2) to assess the impact of different sample types (serum versus heparinized plasma) on the results...
May 30, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28551278/reducing-construction-waste-a-study-of-urban-infrastructure-projects
#13
REVIEW
Ruane Fernandes de Magalhães, Ângela de Moura Ferreira Danilevicz, Tarcisio Abreu Saurin
The construction industry is well-known for producing waste detrimental to the environment, and its impacts have increased with the development process of cities. Although there are several studies focused on the environmental impact of residential and commercial buildings, less knowledge is available regarding decreasing construction waste (CW) generation in urban infrastructure projects. This study presents best practices to reduce waste in the said projects, stressing the role of decision-making in the design stage and the effective management of construction processes in public sector...
May 24, 2017: Waste Management
https://www.readbyqxmd.com/read/28549533/performance-of-roma-based-on-architect-ca-125-ii-and-he4-values-in-chinese-women-presenting-with-a-pelvic-mass-a-multicenter-prospective-study
#14
Fengxian Shen, Shiming Lu, Yibing Peng, Fan Yang, Yan Chen, Yingying Lin, Chen Yang, Li Wu, Huijun Li, Yijie Zheng
BACKGROUND: We evaluated the performance of human epididymis protein 4 (HE4), cancer antigen 125(CA 125) and Risk of Ovarian Malignancy Algorithm (ROMA) in distinguishing between benign and malignant pelvic masses in Chinese women. METHOD: From April to December 2012, women with a pelvic mass scheduled to have surgery were enrolled in a prospective, multi-center study conducted in 5 different regions in China. Preoperative serum concentrations of HE4 and CA 125 were examined and ROMA was calculated...
May 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28535437/comparative-evaluation-of-three-fda-approved-hiv-ag-ab-combination-tests-using-a-genetically-diverse-hiv-panel-and-diagnostic-specimens
#15
Xiaoxing Qiu, Lori Sokoll, Paul Yip, Debra J Elliott, Renu Dua, Phaedre Mohr, Xiao Yan Wang, Megan Spencer, Priscilla Swanson, George J Dawson, John Hackett
BACKGROUND: HIV Ag/Ab combination assays are recommended by CDC for routine screening and several HIV Ag/Ab combination tests are now FDA-approved. Maintaining high specificity and consistent sensitivity across diverse HIV strains is critical for these assays to accurately detect HIV infection and expedite delivery of patient results. OBJECTIVES: To evaluate performance of three FDA-approved HIV tests: ARCHITECT HIV Combo (Abbott), ADVIA Centaur HIV Combo (Siemens) and BioPlex HIV Ag-Ab (Bio-Rad)...
May 13, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28528477/human-cost-burden-of-exposure-to-endocrine-disrupting-chemicals-a-critical-review
#16
REVIEW
Gregory G Bond, Daniel R Dietrich
Recently published papers have alleged that exposures to endocrine disrupting chemicals (EDCs) are causing substantial disease burdens in the EU and US and are consequently costing society hundreds of billions of dollars annually. To date, these cost estimates have not undergone adequate scientific scrutiny, but nevertheless are being used aggressively in advocacy campaigns in an attempt to fundamentally change how chemicals are tested, evaluated and regulated. Consequently, we critically evaluated the underlying methodology and assumptions employed by the chief architects of the disease burden cost estimates...
May 20, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28526674/development-of-a-web-based-health-care-intervention-for-patients-with-heart-disease-lessons-learned-from-a-participatory-design-study
#17
Birgitte Noergaard, Marianne Sandvei, Nina Rottmann, Helle Johannessen, Uffe Wiil, Thomas Schmidt, Susanne S Pedersen
BACKGROUND: The use of telemedicine technologies in health care has increased substantially, together with a growing interest in participatory design methods when developing telemedicine approaches. OBJECTIVE: We present lessons learned from a case study involving patients with heart disease and health care professionals in the development of a personalized Web-based health care intervention. METHODS: We used a participatory design approach inspired by the method for feasibility studies in software development...
May 17, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28523053/seroprevalence-of-transfusion-transmitted-infections-among-different-blood-group-donors-at-blood-bank-lumhs-hyderabad
#18
Faheem Ahmed Memon, Ikram Din Ujjan, Amir Iqbal Memon, Abdul Rehman Shaikh, Ali Raza Rao, Arshi Naz
OBJECTIVES: To study the prevalence of HBsAg, Anti-HCV, HIV, Syphilis and Malaria in blood donors. METHODS: This is a cross sectional descriptive study, conducted at Blood bank and Transfusion center at Liaquat University of Medical & Health Sciences (LUMHS) Hyderabad, during the period from January, 2014 to June, 2015. A total of 4683 blood donors were screened for HBsAg, Anti-HCV and HIV on Architect 20001 (manufactured by Abbott), employing chemiluminescent microparticle immunoassay (CMIA)...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28521211/hepatitis-c-virus-core-antigen-a-simplified-treatment-monitoring-tool-including-for-post-treatment-relapse
#19
François M J Lamoury, Angelica Soker, Danica Martinez, Behzad Hajarizadeh, Evan B Cunningham, Philip Cunningham, Philip Bruggmann, Graham R Foster, Olav Dalgard, Markus Backmund, Brian Conway, Geert Robaeys, Tracy Swan, Gavin Cloherty, Pip Marks, Jason Grebely, Gregory J Dore, Tanya L Applegate
BACKGROUND: Simple, affordable diagnostic tools are essential to facilitate global hepatitis C virus (HCV) elimination efforts. OBJECTIVES: This study evaluated the clinical performance of core antigen (HCVcAg) assay from plasma samples to monitor HCV treatment efficacy and HCV viral recurrence. STUDY DESIGN: Plasma samples from a study of response-guided pegylated-interferon/ribavirin therapy for people who inject drugs with chronic HCV genotype 2/3 infection were assessed for HCV RNA (AmpliPrep/COBAS Taqman assay, Roche) and HCVcAg (ARCHITECT HCV Ag, Abbott Diagnostics) during and after therapy...
May 11, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28515106/direct-comparison-of-2-rule-out-strategies-for-acute-myocardial-infarction-2-h-accelerated-diagnostic-protocol-vs-2-h-algorithm
#20
Karin Wildi, Louise Cullen, Raphael Twerenbold, Jaimi H Greenslade, William Parsonage, Jasper Boeddinghaus, Thomas Nestelberger, Zaid Sabti, Maria Rubini-Giménez, Christian Puelacher, Janosch Cupa, Lukas Schumacher, Patrick Badertscher, Karin Grimm, Nikola Kozhuharov, Claudia Stelzig, Michael Freese, Katharina Rentsch, Jens Lohrmann, Wanda Kloos, Andreas Buser, Tobias Reichlin, John Pickering, Martin Than, Christian Mueller
BACKGROUND: We compared 2 high-sensitivity cardiac troponin (hs-cTn)-based 2-h strategies in patients presenting with suspected acute myocardial infarction (AMI) to the emergency department (ED): the 2-h accelerated diagnostic protocol (2h-ADP) combining hs-cTn, electrocardiogram, and a risk score, and the 2-h algorithm exclusively based on hs-cTn concentrations and their absolute changes. METHODS: Analyses were performed in 2 independent diagnostic cohorts [European Advantageous Predictors of Acute Coronary Syndrome Evaluation (APACE) study, Australian-New Zealand 2-h Accelerated Diagnostic Protocol to Assess patients with chest Pain symptoms using contemporary Troponins as the only biomarker (ADAPT) study] employing hs-cTnT (Elecsys) and hs-cTnI (Architect)...
May 17, 2017: Clinical Chemistry
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