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https://www.readbyqxmd.com/read/28549361/-leukocyte-esterase-as-a-diagnostic-tool-for-an-infectious-disease-of-the-knee
#1
S U Ceja-Picazo, S Fuentes-Figueroa, A H Rivera-Villa, A R Hernández-Salgado, R Torres-González, A M Pérez, J A Hernández-García, J M Pérez-Atanasio
BACKGROUND: Articular infection is an orthopedic challenge due to its difficult diagnosis and devastating results. Various diagnostic studies exist: culture, ESR, CRP, count of leukocytes, among others, but none is specific, they all take more than 30 minutes to complete, and require complex infrastructure. In this study, we determine the sensitivity and specificity of the leukocyte esterase for detection of an infectious process joint in Mexican population. MATERIAL AND METHODS: During November 2015 to April 2016, we obtained synovial fluid from two groups of patients: one with a diagnosis of synovial joint infection with or without implant, and the control group, without infection but with degenerative pathology of the knee...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549036/the-role-of-molecular-techniques-for-the-detection-of-mycobacterium-tuberculosis-complex-in-paraffin-embedded-biopsies
#2
Zaira Moure, Josep Castellví, Adrián Sánchez-Montalvá, Tomás Pumarola, M Teresa Tórtola
INTRODUCTION: Extrapulmonary tuberculosis (EPTB) is increasingly frequent in developed countries. When it is not clinically suspected, samples are not collected for culture and the only material available is a tissue paraffin block. OBJECTIVE: The aim of this study was to evaluate FluoroType MTB (FT-MTB) and GenoType MTBDRplus methods for the detection of Mycobaterium tuberculosis complex in paraffin-embedded biopsies comparing the results to tuberculosis diagnosis...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28548970/rinsing-paired-agent-model-rpam-to-quantify-cell-surface-receptor-concentrations-in-topical-staining-applications-of-thick-tissues
#3
Xiaochun Xu, Yu Wang, Jialing Xiang, Jonathan T C Liu, Kenneth M Tichauer
Conventional molecular assessment of tissue through histology, if adapted to fresh thicker samples, has the potential to enhance cancer detection in surgical margins and monitoring of 3D cell culture molecular environments. However, in thicker samples, substantial background staining is common despite repeated rinsing, which can significantly reduce image contrast. Recently, 'paired-agent' methods-which employ co-administration of a control (untargeted) imaging agent-have been applied to thick-sample staining applications to account for background staining...
May 26, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28548949/dietary-grape-seed-proanthocyanidins-inactivate-regulatory-t-cells-by-promoting-ner-dependent-dna-repair-in-dendritic-cells-in-uvb-exposed-skin
#4
Mudit Vaid, Ram Prasad, Tripti Singh, Santosh K Katiyar
Ultraviolet B (UVB) radiation induces regulatory T cells (Treg cells) and depletion of these Treg cells alleviates immunosuppression and inhibits photocarcinogenesis in mice. Here, we determined the effects of dietary grape seed proanthocyanidins (GSPs) on the development and activity of UVB-induced Treg cells. C3H/HeN mice fed a GSPs (0.5%, w/w)-supplemented or control diet were exposed to UVB (150 mJ/cm2) radiation, sensitized to 2,4-dinitrofluorobenzene (DNFB) and sacrificed 5 days later. FACS analysis indicated that dietary GSPs decrease the numbers of UVB-induced Treg cells...
May 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548923/tubb3-overexpression-has-a-negligible-effect-on-the-sensitivity-to-taxol-in-cultured-cell-lines
#5
Mihoko A Tame, Anna G Manjón, Daria Belokhvostova, Jonne A Raaijmakers, René H Medema
Microtubules are cellular targets for a variety of anticancer therapies because of their critical function in mitosis. Taxol belongs to a class of microtubule targeting agents that suppresses microtubule dynamics and interferes with the functioning of the mitotic spindle, thereby effectively blocking cell cycle progression of rapidly proliferating tumor cells. Despite its antitumor activity, drug resistance remains a common obstacle in improving its overall clinical efficacy. Previous studies have shown that the expression of a specific β-tubulin isotype, βIII-tubulin/TUBB3, is dysregulated in drug-refractory tumors...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548571/correlation-of-cdc42-activity-with-cell-proliferation-and-palmitate-mediated-cell-death-in-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stromal-cells
#6
Jun Lu, Qinghua Wang, Lianghu Huang, Huiyue Dong, Lingjing Lin, Jianming Tan
RHO GTPases regulate cell migration, cell-cycle progression, and cell survival in response to extracellular stimuli. However, the regulatory effects of RHO GTPases in mesenchymal stromal cells (MSCs) are unclear. Herein, we show that CDC42 acts as an essential factor in regulating cell proliferation and also takes part in lipotoxic effects of palmitate in human umbilical cord Wharton's jelly derived MSCs (hWJ-MSCs). Cultured human bone marrow (hBM-MSCs), adipose tissue (hAD-MSCs), and umbilical cord Wharton's jelly (hWJ-MSCs) derived cells had varying pro-inflammatory cytokine secretion levels and cell death rates when treated by palmitate...
May 26, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28548368/developing-minimum-clinical-standards-for-physiotherapy-in-south-african-icus-a-qualitative-study
#7
Heleen van Aswegen, Shane Patman, Natascha Plani, Susan Hanekom
RATIONALE, AIMS, AND OBJECTIVES: Physiotherapists are integral members of the intensive care unit (ICU) team. Clinicians working in ICU are dependent on their own experience when making decisions regarding individual patient management thus resulting in variation in clinical practice. No formalized clinical practice guidelines or standards exist for the educational profile or scope of practice requirements for ICU physiotherapy. This study explored perceptions of physiotherapists on minimum clinical standards that ICU physiotherapists should adhere to for delivering safe, effective physiotherapy services to critically ill patients...
May 26, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28548091/cellular-interplay-via-cytokine-hierarchy-causes-pathological-cardiac-hypertrophy-in-raf1-mutant-noonan-syndrome
#8
Jiani C Yin, Mathew J Platt, Xixi Tian, Xue Wu, Peter H Backx, Jeremy A Simpson, Toshiyuki Araki, Benjamin G Neel
Noonan syndrome (NS) is caused by mutations in RAS/ERK pathway genes, and is characterized by craniofacial, growth, cognitive and cardiac defects. NS patients with kinase-activating RAF1 alleles typically develop pathological left ventricular hypertrophy (LVH), which is reproduced in Raf1(L613V/+) knock-in mice. Here, using inducible Raf1(L613V) expression, we show that LVH results from the interplay of cardiac cell types. Cardiomyocyte Raf1(L613V) enhances Ca(2+) sensitivity and cardiac contractility without causing hypertrophy...
May 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28547674/diagnostic-accuracy-of-various-modalities-relative-to-open-bone-biopsy-for-detection-of-long-bone-posttraumatic-osteomyelitis
#9
Vivek Chadayammuri, Benoit Herbert, Jiandong Hao, Andreas Mavrogenis, Juan C Quispe, Ji Wan Kim, Heather Young, Mark Hake, Cyril Mauffrey
BACKGROUND: Long bone posttraumatic osteomyelitis (PTOM) is a relatively common complication following surgical fixation of open fractures. There is a lacking consensus on ideal strategies for diagnostic evaluation of long bone PTOM. While open bone biopsy and culture is considered the 'gold diagnostic standard,' its cost and invasiveness are often prohibitive and have prompted the search for alternate diagnostic methods. OBJECTIVE: To evaluate the sensitivity and specificity of various diagnostic modalities relative to open bone biopsy and culture for the detection of long bone PTOM...
May 25, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28547529/toll-like-receptor-4-tlr4-and-triggering-receptor-expressed-on-myeloid-cells-2-trem-2-activation-balance-astrocyte-polarization-into-a-proinflammatory-phenotype
#10
Gerardo Rosciszewski, Vanesa Cadena, Veronica Murta, Jeronimo Lukin, Alejandro Villarreal, Thierry Roger, Alberto Javier Ramos
Astrocytes react to brain injury with a generic response known as reactive gliosis, which involves activation of multiple intracellular pathways including several that may be beneficial for neuronal survival. However, by unknown mechanisms, reactive astrocytes can polarize into a proinflammatory phenotype that induces neurodegeneration. In order to study reactive gliosis and astroglial polarization into a proinflammatory phenotype, we used cortical devascularization-induced brain ischemia in Wistar rats and primary astroglial cell cultures exposed to oxygen-glucose deprivation (OGD)...
May 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28547176/metabolic-volume-performs-better-than-suvmax-in-the-detection-of-left-ventricular-assist-device-driveline-infection
#11
Nemanja Avramovic, Angelo Maria Dell'Aquila, Matthias Weckesser, Danka Milankovic, Alexis Vrachimis, Jürgen R Sindermann, Christian Wenning
PURPOSE: A continuous-flow left ventricular assist device (LVAD) is a new and highly promising therapy in supporting end-stage heart failure patients, either bridging them to heart transplantation or as a destination therapy. Infection is one of the major complications associated with LVAD implants. (18)F-FDG PET/CT has already been shown to be useful in the detection of LVAD infection. The goal of this study was to compare the diagnostic accuracy of different PET analysis techniques (visual grading versus SUVmax and metabolic volume)...
May 25, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28546984/the-comparison-of-printed-resources-bacterial-contamination-in-libraries-of-al-zahra-hospital-and-sciences-faculty-of-isfahan-university-and-the-determination-of-their-antibiotic-sensitivity-pattern
#12
Hosein Rafiei, Mostafa Chadeganipour, Rezvan Ojaghi, Mohammad Reza Maracy, Rasool Nouri
INTRODUCTION: During the library loan process, the printed resources can be a carrier of pathogenic bacteria. In this study, it was tried to compare the Bacterial Contamination Rates and their antibiotic sensitivity pattern in printed resources of a hospital and a non-hospital library. METHODS: This is a cross-sectional study. Returning books from the Al-Zahra hospital library and library of Sciences faculty of Isfahan University provides the research community...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28546915/label-free-and-regenerative-electrochemical-microfluidic-biosensors-for-continual-monitoring-of-cell-secretomes
#13
Su Ryon Shin, Tugba Kilic, Yu Shrike Zhang, Huseyin Avci, Ning Hu, Duckjin Kim, Cristina Branco, Julio Aleman, Solange Massa, Antonia Silvestri, Jian Kang, Anna Desalvo, Mohammed Abdullah Hussaini, Su-Kyoung Chae, Alessandro Polini, Nupura Bhise, Mohammad Asif Hussain, HeaYeon Lee, Mehmet R Dokmeci, Ali Khademhosseini
Development of an efficient sensing platform capable of continual monitoring of biomarkers is needed to assess the functionality of the in vitro organoids and to evaluate their biological responses toward pharmaceutical compounds or chemical species over extended periods of time. Here, a novel label-free microfluidic electrochemical (EC) biosensor with a unique built-in on-chip regeneration capability for continual measurement of cell-secreted soluble biomarkers from an organoid culture in a fully automated manner without attenuating the sensor sensitivity is reported...
May 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28545774/integrating-faith-based-and-community-based-participatory-research-approaches-to-adapt-the-korean-parent-training-program
#14
Eunjung Kim, Doris Boutain, Sangho Kim, Jin-Joo Chun, Hyesang Im
PUEPOSE: Faith and community based inquiry approaches are rarely used to develop research interventions. The purpose of this article is to present how a research team worked with six Korean American Christian churches to revise the prototype Korean Parent Training Program (KPTP), based upon the Bright Futures Parenting Program. The collaboration was sought to better integrate and align the KPTP with Korean culture and faith. The KPTP was developed to promote positive parenting practices and decrease mental health disparities of Korean American children...
May 22, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28545664/a-phenolic-glycoside-from-flacourtia-indica-induces-heme-mediated-oxidative-stress-in-plasmodium-falciparum-and-attenuates-malaria-pathogenesis-in-mice
#15
Shiv Vardan Singh, Ashan Manhas, Suriya P Singh, Sonali Mishra, Nimisha Tiwari, Parmanand Kumar, Karuna Shanker, Kumkum Srivastava, Koneni V Sashidhara, Anirban Pal
BACKGROUND: Flacourtia indica is especially popular among the various communities of many African countries where it is being used traditionally for the treatment of malaria. In our previous report, we have identified some phenolic glycosides from the aerial parts of F. indica as promising antiplasmodial agents under in vitro conditions. PURPOSE: Antimalarial bioprospection of F. indica derived phenolic glycoside in Swiss mice (in vivo) with special emphasis on its mode of action...
July 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28545562/the-inhibition-of-fgf-receptor-1-activity-mediates-sorafenib-antiproliferative-effects-in-human-malignant-pleural-mesothelioma-tumor-initiating-cells
#16
Alessandra Pattarozzi, Elisa Carra, Roberto E Favoni, Roberto Würth, Daniela Marubbi, Rosa Angela Filiberti, Luciano Mutti, Tullio Florio, Federica Barbieri, Antonio Daga
BACKGROUND: Malignant pleural mesothelioma is an aggressive cancer, characterized by rapid progression and high mortality. Persistence of tumor-initiating cells (TICs, or cancer stem cells) after cytotoxic drug treatment is responsible for tumor relapse, and represents one of the main reasons for the poor prognosis of mesothelioma. In fact, identification of the molecules affecting TIC viability is still a significant challenge. METHODS: TIC-enriched cultures were obtained from 10 human malignant pleural mesotheliomas and cultured in vitro...
May 25, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28545429/awareness-knowledge-perceptions-and-attitudes-towards-genetic-testing-for-cancer-risk-among-ethnic-minority-groups-a-systematic-review
#17
Katie E J Hann, Madeleine Freeman, Lindsay Fraser, Jo Waller, Saskia C Sanderson, Belinda Rahman, Lucy Side, Sue Gessler, Anne Lanceley
BACKGROUND: Genetic testing for risk of hereditary cancer can help patients to make important decisions about prevention or early detection. US and UK studies show that people from ethnic minority groups are less likely to receive genetic testing. It is important to understand various groups' awareness of genetic testing and its acceptability to avoid further disparities in health care. This review aims to identify and detail awareness, knowledge, perceptions, and attitudes towards genetic counselling/testing for cancer risk prediction in ethnic minority groups...
May 25, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28545413/development-of-an-lps-based-elisa-for-diagnosis-of-yersinia-enterocolitica-o-3-infections-in-danish-patients-a-follow-up-study
#18
Tine Dalby, Eva Rasmussen, Peter Schiellerup, Karen Angeliki Krogfelt
BACKGROUND: The bacterium Yersinia enterocolitica causes gastroenteritis in humans. The study aimed to develop a diagnostic enzyme-linked immunosorbent assay (ELISA) for detection of Yersinia enterocolitica O:3 LPS antibodies in sera from Danish patients with suspected Yersinia enterocolitica O:3 gastrointestinal infection. As a part of this, antibody decay profiles after culture confirmed Yersinia enteritis were studied. RESULTS: An ELISA using Yersinia enterocolitica O:3 LPS as the coating antigen was developed for measuring IgA, IgG and IgM specific antibodies...
May 25, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28545155/rapid-diagnostic-tests-for-typhoid-and-paratyphoid-enteric-fever
#19
REVIEW
Lalith Wijedoru, Sue Mallett, Christopher M Parry
BACKGROUND: Differentiating both typhoid (Salmonella Typhi) and paratyphoid (Salmonella Paratyphi A) infection from other causes of fever in endemic areas is a diagnostic challenge. Although commercial point-of-care rapid diagnostic tests (RDTs) for enteric fever are available as alternatives to the current reference standard test of blood or bone marrow culture, or to the widely used Widal Test, their diagnostic accuracy is unclear. If accurate, they could potentially replace blood culture as the World Health Organization (WHO)-recommended main diagnostic test for enteric fever...
May 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28545122/spot-a-novel-and-streamlined-microarray-platform-for-observing-cellular-trna-levels
#20
Simon Grelet, Ariel McShane, Eveline Hok, Jensen Tomberlin, Philip H Howe, Renaud Geslain
Recent studies have placed transfer RNA (tRNA), a housekeeping molecule, in the heart of fundamental cellular processes such as embryonic development and tumor progression. Such discoveries were contingent on the concomitant development of methods able to deliver high-quality tRNA profiles. The present study describes the proof of concept obtained in Escherichia coli (E. coli) for an original tRNA analysis platform named SPOt (Streamlined Platform for Observing tRNA). This approach comprises three steps. First, E...
2017: PloS One
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