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https://www.readbyqxmd.com/read/29350566/abp-501-for-the-treatment-of-rheumatoid-arthritis
#1
Eleftherios Pelechas, Paraskevi V Voulgari, Alexandros A Drosos
Rheumatoid arthritis (RA) is an autoimmune disease, which has a negative impact on the ability to perform activities daily. Tumour necrosis factor α (TNF) is a cytokine with diverse cellular effects, and a key regulator of the inflammatory response. ABP 501 is a biosimilar to adalimumab, a TNF inhibitor. Areas covered: In this review, we examined ABP 501, as a biosimilar candidate to adalimumab in the treatment of RA focusing on the available data. Current data indicate that ABP 501 is a highly similar alternative to adalimumab in terms of safety, efficacy, tolerability and immunogenicity...
January 19, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29347394/linking-biological-and-physical-aging-dynamical-scaling-of-multicellular-regeneration
#2
Yuting Lou, Jufeng Xia, Wei Tang, Yu Chen
The fight against biological aging (bio-aging) is long-standing, with the focus of intense research aimed at maintaining high rates of tissue regeneration to promote health and longevity. Nevertheless, there are overwhelming complexities associated with the quantitative analysis of aging. In this study, we sought to quantify bio-aging based on physical aging, by mapping instances of multicellular regeneration to the relaxation of physical systems. An experiment of delayed wound healing assays was devised to obtain delay-dependent healing data...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346085/performance-of-the-bioplex-2200-hiv-ag-ab-assay-for-identifying-acute-hiv-infection
#3
Susan H Eshleman, Estelle Piwowar-Manning, Mariya V Sivay, Barbara Debevec, Stephanie Veater, Laura McKinstry, Linda-Gail Bekker, Sharon Mannheimer, Robert M Grant, Margaret A Chesney, Thomas J Coates, Beryl A Koblin, Jessica M Fogel
BACKGROUND: Assays that detect HIV antigen (Ag) and antibody (Ab) can be used to screen for HIV infection. OBJECTIVES: To compare the performance of the BioPlex 2200 HIV Ag-Ab assay and two other Ag/Ab combination assays for detection of acute HIV infection. STUDY DESIGN: Samples were obtained from 24 individuals (18 from the US, 6 from South Africa); these individuals were classified as having acute infection based on the following criteria: positive qualitative RNA assay; two negative rapid tests; negative discriminatory test...
January 11, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29335481/bioimpedimetric-analysis-in-conjunction-with-growth-dynamics-to-differentiate-aggressiveness-of-cancer-cells
#4
Aditya Parekh, Debanjan Das, Subhayan Das, Santanu Dhara, Karabi Biswas, Mahitosh Mandal, Soumen Das
Determination of cancer aggressiveness is mainly assessed in tissues by looking at the grade of cancer. There is a lack of specific method to determine aggressiveness of cancer cells in vitro. In our present work, we have proposed a bio-impedance based non-invasive method to differentiate aggressive property of two breast cancer cell lines. Real-time impedance analysis of MCF-7 (less aggressive) and MDA-MB-231 cells (more aggressive) demonstrated unique growth pattern. Detailed slope-analysis of impedance curves at different growth phases showed that MDA-MB-231 had higher proliferation rate and intrinsic resistance to cell death, when allowed to grow in nutrient and space limiting conditions...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29333569/an-integrated-fuzzy-based-advanced-eutrophication-simulation-model-to-develop-the-best-management-scenarios-for-a-river-basin
#5
Rallapalli Srinivas, Ajit Pratap Singh
Assessment of water quality status of a river with respect to its discharge has become prerequisite to sustainable river basin management. The present paper develops an integrated model for simulating and evaluating strategies for water quality management in a river basin management by controlling point source pollutant loadings and operations of multi-purpose projects. Water Quality Analysis and Simulation Program (WASP version 8.0) has been used for modeling the transport of pollutant loadings and their impact on water quality in the river...
January 14, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29325415/recrystallization-of-manganite-%C3%AE-mnooh-and-implications-for-trace-element-cycling
#6
Tobias Hens, Joël Brugger, Susan Cumberland, Barbara Etschmann, Andrew J Frierdich
The recrystallization of Mn(III,IV) oxides is catalyzed by aqueous Mn(II) (Mn(II)aq) during (bio)geochemical Mn redox cycling. It is poorly understood how trace metals associated with Mn oxides (e.g., Ni) are cycled during such recrystallization. Here, we use X-ray absorption spectroscopy (XAS) to examine the speciation of Ni associated with manganite (γ-Mn(III)OOH) suspensions in the presence or absence of Mn(II)aq under variable pH conditions (pH 5.5 and 7.5). In a second set of experiments, we used a 62Ni isotope tracer to quantify the amount of dissolved Ni that exchanges with Ni incorporated in the manganite crystal structure during reactions in 1 mM Mn(II)aq and in Mn(II)-free solutions...
January 11, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29324849/the-b-cell-death-function-of-obinutuzumab-hdel-produced-in-plant-nicotiana-benthamiana-l-is-equivalent-to-obinutuzumab-produced-in-cho-cells
#7
Jin Won Lee, Woon Heo, Jinu Lee, Narae Jin, Sei Mee Yoon, Ki Youl Park, Eun Yu Kim, Woo Taek Kim, Joo Young Kim
Plants have attracted attention as bio-drug production platforms because of their economical and safety benefits. The preliminary efficacy of ZMapp, a cocktail of antibodies produced in N. benthamiana (Nicotiana benthamiana L.), suggested plants may serve as a platform for antibody production. However, because the amino acid sequences of the Fab fragment are diverse and differences in post-transcriptional processes between animals and plants remain to be elucidated, it is necessary to confirm functional equivalence of plant-produced antibodies to the original antibody...
2018: PloS One
https://www.readbyqxmd.com/read/29323717/chondrogenic-differentiation-of-human-scalp-adipose-derived-stem-cells-in-polycaprolactone-scafold-and-using-freeze-thaw-freeze-method
#8
Rana Moradian Tehrani, Hamed Mirzaie, Javad Verdi, Amirhossein Sahebkar, Mahdi Noureddini, Rasoul Salehi, Behrang Alani, Mojtaba Kianmehr
Human adipose tissue has been identified as a viable alternative source for mesenchymal stem cells. SADSCs were isolated from human scalp biopsy and then were characterized by Flow cytometry. SADSCS expressed CD90, CD44, and CD105 but did not express CD45 surface marker. Growth factors were used for chondrogenesis induction. Histology and immunohistology methods and gene expression by real-time PCR 14 days after induced cells have shown the feature of chondrocytes in their morphology and extracellular matrix in both inducing patterns of combination and cycling induction...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29318958/a-cell-engineered-small-intestinal-submucosa-based-bone-mimetic-construct-for-bone-regeneration
#9
Mei Li, Chi Zhang, Yuxing Mao, Yi Zhong, Jiyuan Zhao
Extracellular matrix (ECM)-ornamented biomaterials have attracted attention due to their high potential to improve the bio-functionality of original materials. It is thought that ECM with a bone mimetic microenvironment generated by the specific induction of osteoblasts would be more beneficial for bone regeneration than regular ECM. In this study, we developed an osteogenic and mineralized ECM construct (Os/M-ECM-SIS) under the guidance of osteoblasts on a small intestinal submucosa (SIS) scaffold co-treated with icariin and calcium...
January 10, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29315487/using-extensional-flow-to-reveal-diverse-aggregation-landscapes-for-three-igg1-molecules
#10
Leon F Willis, Amit Kumar, John Dobson, Nick Bond, David Lowe, Richard Turner, Sheena E Radford, Nikil Kapur, David J Brockwell
Monoclonal antibodies (mAbs) currently dominate the biopharmaceutical sector due to their potency and efficacy against a range of disease targets. These proteinaceous therapeutics are, however, susceptible to unfolding, mis-folding and aggregation by environmental perturbations. Aggregation thus poses an enormous challenge to biopharmaceutical development, production, formulation and storage. Hydrodynamic forces have also been linked to aggregation, but the ability of different flow fields (e.g. shear and extensional flow) to trigger aggregation has remained unclear...
January 8, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29313577/a-randomized-controlled-phase-iii-clinical-trial-to-evaluate-the-efficacy-and-tolerability-of-risorine-with-conventional-rifampicin-in-the-treatment-of-newly-diagnosed-pulmonary-tuberculosis-patients
#11
Naresh Patel, K Jagannath, Agam Vora, Mukesh Patel, Anand Patel
Background: The overall goals for treatment of Tuberculosis (TB) are to cure individual patient and to minimize the transmission of Mycobacterium tuberculosis. At the time of study conduction, the standard treatment for newly diagnosed tuberculosis patients consisted of an intensive phase for two months with four drugs (HRZE), followed by continuation phase for four months with two drugs (HR). Rifampicin, which is very effective against Mycobacterium tuberculosis, in both the phases of treatment, has certain concerns, which includes, decreased bioavailability with chronic use and hepatotoxicity...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29313570/fosfomycin-susceptibility-in-urinary-tract-enterobacteriaceae
#12
Bhargav Patel, Kinjal Patel, Anjali Shetty, Rajeev Soman, Camilla Rodrigues
Introduction: Antibiotic treatment of Urinary Tract Infections (UTI) is becoming increasingly difficult due to emergence of multi-drug resistant (ESBLs, AmpC, CRE) uropathogens. Fosfomycin is an old antibiotic that has evoked renewed interest with unique properties of not sharing any structural similarity and lack of cross-resistance with other antimicrobial agents. Our aim is to evaluate in-vitro activity of Fosfomycin against urinary tract Enterobacteriaceae. Material & Methods: The study period was March 2014 to September 2015...
September 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29304741/inferring-ontology-graph-structures-using-owl-reasoning
#13
Miguel Ángel Rodríguez-García, Robert Hoehndorf
BACKGROUND: Ontologies are representations of a conceptualization of a domain. Traditionally, ontologies in biology were represented as directed acyclic graphs (DAG) which represent the backbone taxonomy and additional relations between classes. These graphs are widely exploited for data analysis in the form of ontology enrichment or computation of semantic similarity. More recently, ontologies are developed in a formal language such as the Web Ontology Language (OWL) and consist of a set of axioms through which classes are defined or constrained...
January 5, 2018: BMC Bioinformatics
https://www.readbyqxmd.com/read/29301580/pharmacokinetics-comparison-of-two-pegylated-interferon-alfa-formulations-in-healthy-volunteers
#14
Marisa Boff Costa, Paulo Dornelles Picon, Guilherme Becker Sander, Hugo Nodarse Cuni, Carmen Valenzuela Silva, Rolando Páez Meireles, Ana Carolina Magalhães Andrade Góes, Nadia Maria Batoreu, Maria de Lourdes de Sousa Maia, Elizabeth Maciel Albuquerque, Denise Cristina de Souza Matos, Pedro Lopez Saura
BACKGROUND: Several countries have used pegylation technology to improve the pharmacokinetic properties of essential drugs. Recently, a novel interferon alfa-2b protein conjugated to four-branched 12 kDa polyethylene glycol molecules was developed jointly between Cuba and Brazil. The aim of this study was to compare the pharmacokinetic properties of BIP48 (pegylated interferon alfa-2b from Bio-Manguinhos/Fiocruz, Brazil) to those of PEGASYS® (commercially available pegylated interferon alfa-2a from Roche Pharmaceutical)...
January 4, 2018: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29298956/inversion-of-friction-anisotropy-in-a-bio-inspired-asymmetrically-structured-surface
#15
Halvor T Tramsen, Stanislav N Gorb, Hao Zhang, Poramate Manoonpong, Zhendong Dai, Lars Heepe
Friction anisotropy is an important property of many surfaces that usually facilitate the generation of motion in a preferred direction. Such surfaces are very common in biological systems and have been the templates for various bio-inspired materials with similar tribological properties. So far friction anisotropy is considered to be the result of an asymmetric arrangement of surface nano- and microstructures. However, here we show by using bio-inspired sawtooth-structured surfaces that the anisotropic friction properties are not only controlled by an asymmetric surface topography, but also by the ratio of the sample-substrate stiffness, the aspect ratio of surface structures, and by the substrate roughness...
January 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29297411/dissetsim-an-online-system-for-calculating-similarity-between-disease-sets
#16
Yang Hu, Lingling Zhao, Zhiyan Liu, Hong Ju, Hongbo Shi, Peigang Xu, Yadong Wang, Liang Cheng
BACKGROUND: Functional similarity between molecules results in similar phenotypes, such as diseases. Therefore, it is an effective way to reveal the function of molecules based on their induced diseases. However, the lack of a tool for obtaining the similarity score of pair-wise disease sets (SSDS) limits this type of application. RESULTS: Here, we introduce DisSetSim, an online system to solve this problem in this article. Five state-of-the-art methods involving Resnik's, Lin's, Wang's, PSB, and SemFunSim methods were implemented to measure the similarity score of pair-wise diseases (SSD) first...
September 20, 2017: Journal of Biomedical Semantics
https://www.readbyqxmd.com/read/29295585/topical-application-of-glycolipids-from-isochrysis-galbana-prevents-epidermal-hyperplasia-in-mice
#17
Azahara Rodríguez-Luna, Elena Talero, María Del Carmen Terencio, María Luisa González-Rodríguez, Antonio M Rabasco, Carolina de Los Reyes, Virginia Motilva, Javier Ávila-Román
Chronic inflammatory skin diseases such as psoriasis have a significant impact on society. Currently, the major topical treatments have many side effects, making their continued use in patients difficult. Microalgae have emerged as a source of bio-active molecules such as glycolipids with potent anti-inflammatory properties. We aimed to investigate the effects of a glycolipid (MGMG-A) and a glycolipid fraction (MGDG) obtained from the microalga Isochrysis galbana on a TPA-induced epidermal hyperplasia murine model...
December 25, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29295521/molecular-targets-for-components-of-essential-oils-in-the-insect-nervous-system-a-review
#18
REVIEW
Milena Jankowska, Justyna Rogalska, Joanna Wyszkowska, Maria Stankiewicz
Essential oils (EOs) are lipophilic secondary metabolites obtained from plants; terpenoids represent the main components of them. A lot of studies showed neurotoxic actions of EOs. In insects, they cause paralysis followed by death. This feature let us consider components of EOs as potential bioinsecticides. The inhibition of acetylcholinesterase (AChE) is the one of the most investigated mechanisms of action in EOs. However, EOs are rather weak inhibitors of AChE. Another proposed mechanism of EO action is a positive allosteric modulation of GABA receptors (GABArs)...
December 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29290535/novel-ultrasound-assisted-suture-anchor-system-using-the-bonewelding%C3%A2-technology-yields-a-comparable-primary-stability-in-osteopenic-and-healthy-human-humeri-as-a-benchmark-anchor
#19
Mehmet F Güleçyüz, Christian Schröder, Matthias F Pietschmann, Stephanie Göbel, Mario Lehmann, Jörg Mayer, Andreas Ficklscherer, Volkmar Jansson, Peter E Müller
INTRODUCTION: The aim of this biomechanical study was to evaluate the primary stability of the SportWelding® Sombrero 3.6 mm suture anchor system in osteopenic and healthy cadaveric humeri. METHODS: The Sombrero® and BioCorkscrew® anchors were deployed in 8 osteopenic and 4 healthy cadaver humeri after the bone mineral density (BMD) measurements of the 32 specimens. Both anchors were loaded with a USP Nr. 2 FiberWire® suture. An established cyclic testing protocol was performed...
December 28, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29289858/using-hair-and-fingernails-in-binary-logistic-regression-for-bio-monitoring-of-heavy-metals-metalloid-in-groundwater-in-intensively-agricultural-areas-thailand
#20
Pokkate Wongsasuluk, Srilert Chotpantarat, Wattasit Siriwong, Mark Robson
In this study, the hair and fingernails of the local people in an intensively cultivated agricultural area in Ubon Ratchathani province, Thailand, were used as biomarkers of exposure to arsenic (As) and heavy metals. The study area has shallow acidic groundwater that is contaminated with As and heavy metals. The local people often consume this shallow groundwater; thus, they are exposed to As and heavy metals. Hair and fingernail samples were collected to characterize the differences between shallow groundwater drinking (SGWD) and tap water drinking (TWD) residents...
December 28, 2017: Environmental Research
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