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https://www.readbyqxmd.com/read/28550117/comparative-exploration-of-multidimensional-flow-cytometry-software-a-model-approach-evaluating-t-cell-polyfunctional-behavior
#1
Timothy T Spear, Michael I Nishimura, Patricia E Simms
Advancement in flow cytometry reagents and instrumentation has allowed for simultaneous analysis of large numbers of lineage/functional immune cell markers. Highly complex datasets generated by polychromatic flow cytometry require proper analytical software to answer investigators' questions. A problem among many investigators and flow cytometry Shared Resource Laboratories (SRLs), including our own, is a lack of access to a flow cytometry-knowledgeable bioinformatics team, making it difficult to learn and choose appropriate analysis tool(s)...
May 26, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28546969/modification-of-infant-hypothyroidism-and-phenylketonuria-screening-program-using-electronic-tools
#2
Behjat Taheri, Asefeh Haddadpoor, Mahmood Mirkhalafzadeh, Fariba Mazroei, Pezhman Aghdak, Mehran Nasri, Gholamreza Bahrami
BACKGROUND: Congenital hypothyroidism and phenylketonuria (PKU) are the most common cause for preventable mental retardation in infants worldwide. Timely diagnosis and treatment of these disorders can have lasting effects on the mental development of newborns. However, there are several problems at different stages of screening programs that along with imposing heavy costs can reduce the precision of the screening, increasing the chance of undiagnosed cases which in turn can have damaging consequences for the society...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28545376/nutrition-as-a-health-determinant-in-elderly-patients
#3
Ignazio Grattagliano, Tecla Mastronuzzi
An adequate caloric intake is a major determinant for the health status especially when degenerative conditions become a predominant risk for difficult-to-treat diseases as in aging. The maintenance of the nutritional status is the best measure to counteract the risk of protein-caloric malnutrition and its complications which often sneakily affects elderly population and in particular frail patients. Both organic and social risk factors [economic hardship, loneliness, institutionalization] are important as determining causes...
May 23, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28545129/direct-and-indirect-costs-of-diabetes-mellitus-in-mali-a-case-control-study
#4
Clara Bermudez-Tamayo, Stéphane Besançon, Mira Johri, Sidibe Assa, Jonathan Betz Brown, Kaushik Ramaiya
BACKGROUND: Diabetes mellitus (DM) is one of the most burdensome chronic diseases and is associated with shorter lifetime, diminished quality of life and economic burdens on the patient and society as a result of healthcare, medication, and reduced labor market participation. We aimed to estimate the direct (medical and non-medical) and indirect costs of DM and compare them with those of people without DM (ND), as well as the cost predictors. METHODS AND FINDINGS: Observational retrospective case-control study performed in Mali...
2017: PloS One
https://www.readbyqxmd.com/read/28544070/the-importance-of-assessing-out-of-pocket-payments-when-the-financing-of-antiretroviral-therapy-is-transitioned-to-domestic-funding-findings-from-vietnam
#5
Benjamin Johns, Le Bao Chau, Kieu Huu Hanh, Nguyen Thuy Huong, Hoa Mai Do, Anh Thuy Duong, Long Hoang Nguyen
OBJECTIVE: To assess out-of-pocket payments and catastrophic health expenditures among antiretroviral therapy (ART) patients in Vietnam, and to model catastrophic payments under different copayment scenarios when the primary financing of ART changes to social health insurance. METHODS: Cross-sectional facility-based survey of 843 patients at 42 health facilities representative of 87% of ART patients in 2015. RESULTS: Because of donor and government funding, no payments were made for antiretroviral drugs...
May 19, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28543736/a-rapid-expression-and-purification-condition-screening-protocol-for-membrane-protein-structural-biology
#6
Dan Sjöstrand, Riccardo Diamanti, Camilla A K Lundgren, Benjamin Wiseman, Martin Högbom
Membrane proteins control a large number of vital biological processes and are often medically important - not least as drug targets. However, membrane proteins are generally more difficult to work with than their globular counterparts, and as a consequence comparatively few high-resolution structures are available. In any membrane protein structure project, a lot of effort is usually spent on obtaining a pure and stable protein preparation. The process commonly involves the expression of several constructs and homologs, followed by extraction in various detergents...
May 20, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28542456/increasing-systematicity-leads-to-better-selection-decisions-evidence-from-a-computer-paradigm-for-evaluating-selection-tools
#7
Martin Bäckström, Fredrik Björklund
A computerized paradigm was created to allow for testing in the laboratory whether increasing systematicity helps the recruiter make better selection decisions. Participants were introduced to the job and the applicants on the computer screen and asked to select who they thought should be considered for the job and who should not. Level of systematicity, i.e. the extent to which the recruitment is methodical and uses prepared tools, was manipulated between subjects. Depending on experimental condition participants were helped by means of a tool for extracting judgment criteria (job analysis) and a tool for making judgments related to selected criteria (including calculation of a final score)...
2017: PloS One
https://www.readbyqxmd.com/read/28541592/cath-lab-costs-in-patients-undergoing-percutaneous-coronary-angioplasty-detailed-analysis-of-consecutive-procedures
#8
Beata Dziki, Izabela Miechowicz, Piotr Iwachów, Michał Kuzemczak, Piotr Kałmucki, Andrzej Szyszka, Artur Baszko, Tomasz Siminiak
BACKGROUND: Costs of percutaneous coronary interventions (PCI) have important impact on health care expenditures. Despite the present stress upon the cost-effectiveness issues in medicine, few comprehensive data exist on costs and resource use in different clinical settings. AIM: To assess catheterization laboratory costs related to use of drugs and single-use devices in patients undergoing PCI due to coronary artery disease. METHODS: Retrospective analysis of 1500 consecutive PCIs (radial approach, n=1103; femoral approach, n=397) performed due to myocardial infarction type STEMI (n=345) and NSTEMI (n=426) as well as unstable (UA; n=489) and (SA; n=241) angina was undertaken...
May 25, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28541463/reducing-surgical-infections-and-implant-costs-via-a-novel-paradigm-of-enhanced-physician-awareness
#9
Nitin Agarwal, Prateek Agarwal, Ashley Querry, Anna Mazurkiewicz, Brittany Whiteside, Oscar C Marroquin, Stephen F Koscumb, Daniel A Wecht, Robert M Friedlander
BACKGROUND: Studies have demonstrated that physicians are often unaware of prescription drug, laboratory, diagnostic, and surgical supply costs. OBJECTIVE: To investigate the effects of increased physician awareness on infection incidence and surgical device cost containment. METHODS: Within our institution, physicians were informed of individual, independently adjudicated, craniotomy and ventricular shunt infection incidence and rankings among peers, after which a protocol aimed at reducing skin bacterial burden was implemented for craniotomies...
May 24, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28541406/cost-benefit-analysis-of-case-management-policies-in-a-dui-lab
#10
Nicholas B Tiscione, Russell Miller, Xiaoqin Shan, Dustin Tate Yeatman
A study was previously conducted and published describing the magnitude of the under-reporting of drugs in driving under the influence (DUI) cases by using a blood drug screen (BDS) case management protocol and to determine whether not reporting those drugs would have a meaningful impact on the DUI cases. A follow-up study presented herein was conducted to generate a larger dataset for evaluation and to compare the results to the original study. For this follow-up study of 576 cases, the laboratory BDS protocol was modified so that a BDS was performed for all felony cases and all misdemeanor cases with a BAC < 0...
May 24, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28541194/reduction-of-blood-glucose-measurements-to-calibrate-subcutaneous-glucose-sensors-a-bayesian-multi-day-framework
#11
Giada Acciaroli, Martina Vettoretti, Andrea Facchinetti, Giovanni Sparacino, Claudio Cobelli
OBJECTIVE: In most continuous glucose monitoring (CGM) devices used for diabetes management, the electrical signal measured by the sensor is transformed to glucose concentration by a calibration function whose parameters are estimated using self-monitoring of blood glucose (SMBG) samples. The calibration function is usually a linear model approximating the nonlinear relationship between electrical signal and glucose concentration in certain time intervals. Thus, CGM devices require frequent calibrations, usually twice a day...
May 23, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28540073/viscoelastic-testing-inside-and-beyond-the-operating-room
#12
REVIEW
Liang Shen, Sheida Tabaie, Natalia Ivascu
Hemorrhage is a major contributor to morbidity and mortality during the perioperative period. Current methods of diagnosing coagulopathy have various limitations including long laboratory runtimes, lack of information on specific abnormalities of the coagulation cascade, lack of in vivo applicability, and lack of ability to guide the transfusion of blood products. Viscoelastic testing offers a promising solution to many of these problems. The two most-studied systems, thromboelastography (TEG) and rotational thromboelastometry (ROTEM), offer similar graphical and numerical representations of the initiation, formation, and lysis of clot...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28537807/next-generation-sequencing-identifies-gene-mutations-that-are-predictive-of-malignancy-in-residual-needle-rinses-collected-from-fine-needle-aspirations-of-thyroid-nodules
#13
Maren Y Fuller, Dina Mody, April Hull, Kristi Pepper, Heather Hendrickson, Randall Olsen
CONTEXT: - Thyroid nodules have a prevalence of approximately 70% in adults. Fine-needle aspiration (FNA) is a minimally invasive, cost-effective, standard method to collect tissue from thyroid nodules for cytologic examination. However, approximately 15% of thyroid FNA specimens cannot be unambiguously diagnosed as benign or malignant. OBJECTIVE: - To investigate whether clinically actionable data can be obtained using next-generation sequencing of residual needle rinse material...
May 24, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28537806/analytic-and-clinical-validation-of-an-ultrasensitive-quantitative-polymerase-chain-reaction-assay-for-egfr-mutation-analysis-with-circulating-tumor-dna
#14
Xiaowei Wang, Yunhua Gao, Bei Wang, Zhenrong Zhang, Chaoyang Liang, Hongxiang Feng, Yongqing Guo, Jiping Da, Minli Mo, Mengyun Zhang, Feng Ding, Zhao Chen, Hui Li, Deruo Liu
CONTEXT: - The mutation analysis of epidermal growth factor receptor (EGFR) has become a common test to guide therapeutic decision making for lung cancer. Molecular testing with circulating tumor DNA in plasma allows diagnosis of mutations when tumor tissue is not available as well as monitoring treatment response with repeat biopsies. OBJECTIVES: - To develop a timely and cost-effective assay that can accurately detect EGFR mutations in circulating tumor DNA and to evaluate the analytic and clinical performance of the assay...
May 24, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28537503/open-rac-open-design-recirculating-and-auto-cleaning-zebrafish-maintenance-system
#15
Shubham Nema, Yogesh Bhargava
Zebrafish is a vertebrate animal model. Their maintenance in large number under laboratory conditions is a daunting task. Commercially available recirculating zebrafish maintenance systems are used to efficiently handle the tasks of automatic sediment cleaning from zebrafish tanks with minimal waste of water. Due to their compact nature, they also ensure the maximal use of available lab space. However, the high costs of commercial systems present a limitation to researchers with limited funds. A cost-effective zebrafish maintenance system with major features offered by commercially available systems is highly desirable...
May 24, 2017: Zebrafish
https://www.readbyqxmd.com/read/28535585/good-laboratory-standards-for-clinical-next-generation-sequencing-cancer-panel-tests
#16
REVIEW
Jihun Kim, Woong-Yang Park, Nayoung K D Kim, Se Jin Jang, Sung-Min Chun, Chang-Ohk Sung, Jene Choi, Young-Hyeh Ko, Yoon-La Choi, Hyo Sup Shim, Jae-Kyung Won
Next-generation sequencing (NGS) has recently emerged as an essential component of personalized cancer medicine due to its high throughput and low per-base cost. However, no sufficient guidelines for implementing NGS as a clinical molecular pathology test are established in Korea. To ensure clinical grade quality without inhibiting adoption of NGS, a taskforce team assembled by the Korean Society of Pathologists developed laboratory guidelines for NGS cancer panel testing procedures and requirements for clinical implementation of NGS...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28535414/gamma-radiography-and-tomography-with-a-ccd-camera-and-co-60-source
#17
Robert Adams, Robert Zboray
Gamma imaging using a relatively low strength 5.8mCi laboratory Co-60 source and a CsI(Tl) scintillator screen read out by a CCD camera was investigated. A simple model was used to estimate the effective count rate, which was verified with experiments. Radiography and tomography of phantoms were used to determine the test setup spatial resolution of about 1.3-2.5mm. Exposure times were on the order of a couple minutes per radiograph. These tests demonstrate the value of the count rate model and the feasibility of the setup as a simple and low-cost solution for gamma imaging cases where acquisition time is flexible and resolution requirements are moderate...
May 17, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28534009/genomic-insight-into-mechanisms-of-reversion-of-antibiotic-resistance-in-multidrug-resistant-mycobacterium-tuberculosis-induced-by-a-nanomolecular-iodine-containing-complex-fs-1
#18
Aleksandr I Ilin, Murat E Kulmanov, Ilya S Korotetskiy, Rinat A Islamov, Gulshara K Akhmetova, Marina V Lankina, Oleg N Reva
Drug induced reversion of antibiotic resistance is a promising way to combat multidrug resistant infections. However, lacking knowledge of mechanisms of drug resistance reversion impedes employing this approach in medicinal therapies. Induction of antibiotic resistance reversion by a new anti-tuberculosis drug FS-1 has been reported. FS-1 was used in this work in combination with standard anti-tuberculosis antibiotics in an experiment on laboratory guinea pigs infected with an extensively drug resistant (XDR) strain Mycobacterium tuberculosis SCAID 187...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28532839/dry-ice-is-a-reliable-substrate-for-the-distribution-of-frozen-mouse-spermatozoa-a-multi-centric-study
#19
Marcello Raspa, Mo Guan, Renata Paoletti, Lluis Montoliu, Abdel Ayadi, Susan Marschall, Martin Fray, Ferdinando Scavizzi
Disseminating mouse stocks as frozen materials offers both ethical and logistical advantages over live animal shipment, minimizing the welfare issues and avoiding some of the complex custom regulations that are associated with live animal transportation. Embryo freezing in liquid nitrogen (LN2) at -196 °C has traditionally been the method of choice for archiving mouse lines. However, spermatozoa freezing is emerging as a more convenient alternative due to the application of innovative cryopreservation and recovery protocols...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28530559/meat-species-identification-by-two-direct-triplex-real-time-pcr-assays-using-low-resolution-melting
#20
Phuvadol Thanakiatkrai, Thitika Kitpipit
We developed and validated the first direct multiplex real-time PCR assay with melt curve analysis for the identification of different types of meat. The assay detects six commonly eaten meat species and provides the following benefits: ease of use, shortened analysis time, and decreased analysis cost. Species-specific primers were designed from cytochrome b, cytochrome oxidase I, and 16S rRNA genes to generate PCR products with specific melting peaks that differentiate pork, beef, horsemeat, duck meat, ostrich meat, and chicken...
October 15, 2017: Food Chemistry
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