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https://www.readbyqxmd.com/read/29236393/validation-of-biological-activity-testing-procedure-of-recombinant-human-interleukin-7
#1
T N Lutsenko, M V Kovalenko, O Yu Galkin
Validation procedure for method of monitoring the biological activity of reсombinant human interleukin-7 has been developed and conducted according to the requirements of national and international recommendations. This method is based on the ability of recombinant human interleukin-7 to induce proliferation of T lymphocytes. It has been shown that to control the biological activity of recombinant human interleukin-7 peripheral blood mononuclear cells (PBMCs) derived from blood or cell lines can be used. Validation charac­teristics that should be determined depend on the method, type of product or object test/measurement and biological test systems used in research...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236387/effect-of-3-substituted-1-4-benzodiazepin-2-ones-on-bradykinin-induced-smooth-muscle-contraction
#2
P A Virych, O V Shelyuk, T A Kabanova, E I Khalimova, V S Martynyuk, V I Pavlovsky, S A Andronati
Biochemical properties of 3-substituted 1,4-benzodiazepine determined by the characteristics of their chemical structure. Influence of 3-substituted 1,4-benzodiazepin-2-ones on maximal normalized rate and amplitudes of isometric smooth muscle contraction in rats was investigated. Compounds MX-1775 and MX-1828 demonstrated the similar inhibition effect on bradykinin-induced contraction of smooth muscle like competitive inhibitor des-arg9-bradykinin-acetate to bradykinin B2-receptors. MX-1626 demonstrated unidirectional changes of maximal normalized rate and force of smooth muscle that proportionally depended on bradykinin concentration in the range 10-10-10-6 M...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236386/characteristics-of-enzyme-linked-immunosorbent-assay-for-detection-of-igg-antibodies-specific-to-%C3%B0-hlamydia-trachomatis-heat-shock-protein-hsp-60
#3
O Yu Galkin, A B Besarab, T N Lutsenko
The goal of this work was to study sensitivity and specificity of the developed ELISA set for the identification of IgG antibodies against Chlamydia trachomatis HSP-60 (using biotinylated tyramine-based signal amplification system). The study was conducted using a panel of characterized sera, as well as two reference ELISA sets of similar purpose. According to the results of ELISA informative value parameters, the ELISA we have developed showed the highest specificity and sensitivity parameters (no false negative or false positive results were registered)...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236378/urinary-bisphenol-a-and-obesity-in-adults-results-from-the-canadian-health-measures-survey
#4
Minh T Do, Vicky C Chang, Michelle A Mendez, Margaret de Groh
INTRODUCTION: Exposure to bisphenol A (BPA) has been shown to affect lipid metabolism and promote weight gain in animal studies. Recent epidemiological studies also support a link between BPA and obesity in human populations, although many were limited to a single adiposity measure or have not considered potential confounding by dietary factors. The purpose of this study is to examine associations between urinary BPA and adiposity measures in a nationally representative sample of Canadian adults...
December 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/29236359/the-relationship-between-student-engagement-with-online-content-and-achievement-in-a-blended-learning-anatomy-course
#5
Rodney A Green, Laura Y Whitburn, Anita Zacharias, Graeme Byrne, Diane L Hughes
Blended learning has become increasingly common in higher education. Recent findings suggest that blended learning achieves better student outcomes than traditional face-to-face teaching in gross anatomy courses. While face-to-face content is perceived as important to learning there is less evidence for the significance of online content in improving student outcomes. Students enrolled in a second-year anatomy course from the physiotherapy (PT), exercise physiology (EP), and exercise science (ES) programs across two campuses were included (n = 500)...
December 13, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29236357/live-attenuated-influenza-virus-vaccine-reduces-virus-shedding-of-newborn-piglets-in-the-presence-of-maternal-antibody
#6
Marika Genzow, Christa Goodell, Troy J Kaiser, Wesley Johnson, Marc Eichmeyer
BACKGROUND: Influenza A virus in swine (IAV-S) causes an acute respiratory disease of swine which results in great economic losses in pig production. Major control strategies include the use of killed vaccines (KV) in breeding females to confer passive immunity to their offspring. A bivalent H1N1 and H3N2 NS1-truncated live attenuated IAV-S vaccine has recently become available, which showed promising results in young pigs. OBJECTIVE: The aim of this study was to investigate the effect of an intranasal vaccination of newborn pigs with or without maternally derived antibodies (MDA) on virus shedding (via nasal swabs tested by virus isolation)...
December 13, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29236355/b-cell-specific-protein-fcrla-is-expressed-by-plasmacytoid-dendritic-cells-in-humans
#7
Evdokiya Reshetnikova, Sergey Guselnikov, Olga Volkova, Konstantin Baranov, Alexander Taranin, Ludmila Mechetina
BACKGROUND: Fc receptor-like A (FCRLA) is a unique member of a family of Fc receptor like-molecules that lacks a transmembrane region and is an ER-resident protein. In mice and humans, FCRLA has been known as a B cell specific protein. We report here that, in humans, FCRLA is also expressed in a subpopulation of plasmacytoid dendritic cells (pDCs). METHODS: Human peripheral blood mononuclear cells (PBMC), splenocytes, and tonsillar cells were stained for lineage markers followed by fixation/saponin permeabilization and intracellular staining for FCRLA, and then analyzed by flow cytometry with CD123 and CD303 used as pDC markers...
December 13, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29236354/how-comprehensive-are-research-studies-investigating-the-efficacy-of-technology-enhanced-learning-resources-in-anatomy-education-a-systematic-review
#8
REVIEW
Lauren Clunie, Neil P Morris, Viktoria C T Joynes, James D Pickering
Anatomy education is at the forefront of integrating innovative technologies into its curricula. However, despite this rise in technology numerous authors have commented on the shortfall in efficacy studies to assess the impact such technology-enhanced learning (TEL) resources have on learning. To assess the range of evaluation approaches to TEL across anatomy education, a systematic review was conducted using MEDLINE, the Educational Resources Information Centre (ERIC), Scopus, and Google Scholar, with a total of 3,345 articles retrieved...
December 13, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29236353/iccs-escca-consensus-guidelines-for-the-high-sensitivity-flow-cytometric-detection-of-paroxysmal-nocturnal-hemoglobinuria-pnh-part-2-assay-optimization-and-reagent-selection
#9
EDITORIAL
D Robert Sutherland, Andrea Illingworth, Iuri Marinov, Fernando Ortiz, John Andreasen, Dan Payne, Paul K Wallace, Michael Keeney
Since publication in 2010 of the International Clinical Cytometry Society (ICCS) Consensus Guidelines for detection of Paroxysmal nocturnal hemoglobinuria (PNH) by flow cytometery, a great deal of work has been performed to develop, optimize and validate a number of high-sensitivity assays to detect PNH phenotypes in both Red Blood Cells (RBCs) and White Blood Cells (WBCs, neutrophils and monocytes). This section (Part 2) of the updated ICCS PNH Consensus Guidelines will focus on specific instrument setup for these PNH assays, the identification and proper testing of appropriate antibody conjugates and combinations therof, and basic assay design...
December 13, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29236346/therapy-related-acute-myeloid-leukaemia-and-myelodysplastic-syndrome-in-victoria-australia-2003-2014
#10
Doen Ming Ong, Helen Farrugia, Andrew Wei
BACKGROUND: The burden of therapy-related acute myeloid leukaemia (tAML) / therapy-related myelodysplastic syndrome (tMDS) in Australia has not been characterized. METHODS: We analysed adults aged ≥20 years at diagnosis of acute myeloid leukaemia (AML) / myelodysplastic syndrome (MDS) reported to the Victorian Cancer Registry (VCR) between 2003-2014. RESULTS: 73/3,120 (2.3%) AML cases were classified tAML. tAML patients were younger than non-tAML patients at diagnosis (median age 66 vs...
December 13, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29236341/nmr-lineshapes-and-scalar-relaxation-of-the-17o-labelled-water-endofullerene-h2o-c60
#11
Stuart J Elliott, Christian Bengs, Karel Kouril, Benno Meier, Shamim Alom, Richard J Whitby, Malcolm Harris Levitt
The 17O isotopomer of the water-endofullerene H2O@C60 displays a remarkable proton NMR spectrum, with six well resolved peaks. These peaks are due to the J-coupling between the water protons and the 17O nucleus, which has spin-5/2. The resolution of these peaks is enabled by the suppression of water proton exchange by the fullerene cage. The six peaks display an unusual pattern of linewidths, which we model by a Liouville-space treatment of scalar relaxation due to quadrupolar relaxation of the 17O nuclei. The data are consistent with rotational diffusion of the water molecule on the sub-picosecond timescale...
December 13, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29236330/exploring-the-usefulness-of-key-green-physicochemical-properties-quantitative-structure-activity-relationship-qsar-for-solvents-from-biomass
#12
Estefanía Zuriaga, Beatriz Giner, María Pilar Ribate, Cristina B García, Laura Lomba
During the last decades there has been a growing interest in the development of new solvents from biomass. Some of these new solvents have been classified as green due to their renewable and sustainable source. However, characterization from the ecotoxicological and physicochemical point of view is needed in order to categorize them as green solvents. We have selected several key physicochemical properties that can reflect environmental features (density, boiling point, critical aggregation concentration and Log P) and explored their usefulness for preliminary assessing the green character of the studied solvents...
December 13, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29236328/mirnalet-7a-mediates-prostate-cancer-pc-3-cell-invasion-migration-by-inducing-epithelial-mesenchymal-transition-through-ccr7-mapk-pathway
#13
Tang Guanlin, Du Ruoyang, Tang Zhaobing, Kuang Youlin
Prostate cancer is one of the most common malignancies in older men. Recent evidence has demonstrated microRNA (miRNA) Let-7a expression decreased in prostate cancer, while the expression of C-C chemokine receptor type 7 (CCR7) increased. In this study, we investigated whether CCR7 overexpression was associated with a decrease in the expression of miRNA let-7a in invasion and metastasis of prostate cancer cell. Methods Synthetic let-7a mimics and let-7a inhibitors were transfected into prostate cancer PC-3 cells repectively...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236324/silencing-of-phospholipase-c-gamma-2-promotes-proliferation-of-rat-hepatocytes-in-vitro
#14
Xiaoguang Chen, Xuemin Zhu, Yumei Liu, Qiongxia Lv, Jun Ma
The management of hepatic failure is undoubtedly difficult, and poor results have led to the search for novel therapeutic approaches. Nowadays, anti-apoptotic gene therapy is considered as an ideal approach. It has been proved that phospholipase Cγ2 (PLCγ2) is involved in the apoptosis of immune cells and tumor cells; however, whether this gene is related to hepatocyte death is still unclear. This study examined the role of PLCγ2 by inhibiting its expression in rat hepatocytes with siRNA. We also further analyzed the cellular mechanism by which the expression inhibition of PLCγ2 induces cell death...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236321/murine-models-of-osteosarcoma-a-piece-of-the-translational-puzzle
#15
Mannu K Walia, Wilson Castillo-Tandazo, Anthony J Mutsaers, T John Martin, Carl R Walkley
Osteosarcoma (OS) is the most common cancer of bone in children and young adults. Despite extensive research efforts, there has been no significant improvement in patient outcome for many years. An improved understanding of the biology of this cancer and how genes frequently mutated contribute to OS may help improve outcomes for patients. Whilst our knowledge of the mutational burden of OS is approaching saturation, our understanding of how these mutations contribute to OS initiation and maintenance is less clear...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236313/micrornas-and-exosomes-in-depression-potential-diagnostic-biomarkers
#16
Jahanshir Tavakolizadeh, Kambiz Roshanaei, Arash Salmaninejad, Reza Yari, Javid Sadri Nahand, Hoda Khoshdel Sarkarizi, Seyed Mojtaba Mousavi, Reza Salarinia, Majid Rahmati, Seyed Farshid Mousavi, Ryan Mokhtari, Hamed Mirzaei
Depression is known as one of important psychiatric disorders which could be associated with disability among various populations. Diagnostic and statistical manual of mental disorders, 4th edition (DSM-IV) and international statistical classification of diseases and related health problems (ICD-10) could be used as subjective diagnostic schemes for identification of mental disorders such as depression. Utilization of subjective diagnostic schemes are associated with limitations. Hence, it seems that employing of new diagnosis platforms is required...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236311/mir-221-negatively-regulates-inflammation-and-insulin-sensitivity-in-white-adipose-tissue-by-repression-of-sirtuin-1-sirt1
#17
Jie Peng, Yuanfei Zhou, Zhao Deng, Hong Zhang, Yinghui Wu, Tongxing Song, Yang Yang, Hongkui Wei, Jian Peng
It is well known that obesity-induced white adipose tissue inflammation is an important reason for insulin-resistance and type 2 diabetes mellitus. Sirtuin-1 (SIRT1) is an important regulator of inflammtion response pathways in white adipose tissue. Here, we found that miR-221 negatively regulated SIRT1 in white adipose tissue during inflammation and HFD-induced obesity. MiR-221 is a putative oncogene which has been found overexpressed in a number of human tumors. Recently, it has also found that miR-221 was increased in obese adipose tissue and may be involved in inflammation and insulin-resistance...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236310/insulin-induces-an-emt-like-process-in-mammary-epithelial-cells-mcf10a
#18
Cecilia Rodriguez-Monterrosas, Ricardo Díaz-Aragon, Elizabeth Leal-Orta, Pedro Cortes-Reynosa, Eduardo Perez Salazar
Diabetes mellitus has been related with an increased risk of breast cancer, whereas it has been suggested that links between diabetes mellitus and cancer are hyperinsulinemia, insulin resistance, hyperglycemia and chronic inflammation induced by adipose tissue. Contribution of hyperinsulinemia to carcinogenesis is mediated through resistance to endogenous insulin and by exogenous insulin used in treatment. Epithelial to mesenchymal transition (EMT) is a process by which epithelial cells are transdifferentiated to a mesenchymal state that has been implicated in cancer progression...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236309/leptin-induces-mmp1-13-and-adamts-4-expressions-through-bone-morphogenetic-protein-2-autocrine-effect-in-human-chondrocytes
#19
Yu-Ping Su, Cheng-Nan Chen, Kuo-Chin Huang, Hsin-I Chang, Ko-Chao Lee, Chun-Min Lo, Shun-Fu Chang
The induction of bone morphogenetic protein (BMP) 2 in injured and arthritis articular cartilage has been proposed, but the precise mechanism has not been clearly clarified. Our previous study has found that leptin could stimulate the BMP2 autocrine effect to increase the anabolic collagen II expression when it initiates the catabolic response in human chondrocytes. It has been suggested that this BMP2 autocrine effect contributes to a reparative role in leptin-stimulated human chondrocytes. In this study, we further determined whether this BMP2 autocrine effect also affect the expressions of catabolic matrix metalloproteinases (MMPs) and a disintegrin and metalloproteinase with thrombospondin motif (ADAMTS)...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236304/enterovirus-detection-in-patients-with-acute-gastroenteritis-in-switzerland
#20
Rainer Gosert, Ulrich Heininger, Hans H Hirsch
Acute gastroenteritis (GE) has a major impact on morbidity and mortality worldwide, yet comprehensive data regarding infectious agents including enteroviruses are scarce. We hypothesized that enteroviruses constitute a significant cause of acute GE. We analyzed 677 stool samples from 504 patients, which had been submitted for suspected infectious GE. 0.2 ml of stool suspension was extracted using the Abbott m2000 sp robot and analysed by multiplex nucleic acid testing (NAT) using the Luminex xTAG gastrointestinal pathogen panel (GPP) as well as by specific NATs detecting enteroviruses and polioviruses...
December 13, 2017: Journal of Medical Virology
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