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https://www.readbyqxmd.com/read/28428709/disruption-of-the-tweak-fn14-pathway-prevents-5-fluorouracil-induced-diarrhea-in-mice
#1
Takuhito Sezaki, Yuki Hirata, Teruki Hagiwara, Yuki I Kawamura, Tadashi Okamura, Rieko Takanashi, Kenta Nakano, Miwa Tamura-Nakano, Linda C Burkly, Taeko Dohi
AIM: To clarify the roles of TWEAK and its receptor Fn14 in 5-fluorouracil (5-FU)-induced diarrhea. METHODS: Diarrhea was induced in wild-type (WT), Fn14 knockout (KO), and IL-13 receptor (IL-13R)α1 KO BALB/c mice using a single injection of 5-FU. Histological analysis, cytokine analysis, and flow cytometry was performed on ileal tissues and cells. Murine colon carcinoma-bearing mice were co-treated with an anti-TWEAK antibody and 5-FU. Embryonic fibroblast response to cytokines was also analyzed...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28427384/imbalanced-target-prediction-with-pattern-discovery-on-clinical-data-repositories
#2
Tak-Ming Chan, Yuxi Li, Choo-Chiap Chiau, Jane Zhu, Jie Jiang, Yong Huo
BACKGROUND: Clinical data repositories (CDR) have great potential to improve outcome prediction and risk modeling. However, most clinical studies require careful study design, dedicated data collection efforts, and sophisticated modeling techniques before a hypothesis can be tested. We aim to bridge this gap, so that clinical domain users can perform first-hand prediction on existing repository data without complicated handling, and obtain insightful patterns of imbalanced targets for a formal study before it is conducted...
April 20, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28423824/querying-archetype-based-electronic-health-records-using-hadoop-and-dewey-encoding-of-openehr-models
#3
Erik Sundvall, Fang Wei-Kleiner, Sergio M Freire, Patrick Lambrix
Archetype-based Electronic Health Record (EHR) systems using generic reference models from e.g. openEHR, ISO 13606 or CIMI should be easy to update and reconfigure with new types (or versions) of data models or entries, ideally with very limited programming or manual database tweaking. Exploratory research (e.g. epidemiology) leading to ad-hoc querying on a population-wide scale can be a challenge in such environments. This publication describes implementation and test of an archetype-aware Dewey encoding optimization that can be used to produce such systems in environments supporting relational operations, e...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28411440/tweak-fn14-promotes-pro-inflammatory-cytokine-secretion-in-hepatic-stellate-cells-via-nf-%C3%AE%C2%BAb-stat3-pathways
#4
Aixiu Wang, Feng Zhang, Hui Xu, Mingcui Xu, Yu Cao, Chen Wang, Yuanyuan Xu, Min Su, Ming Zhang, Yuzheng Zhuge
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) and its receptor fibroblast growth factor-inducible 14 (Fn14) have been associated with liver disease. Hepatic stellate cells (HSCs) play a critical role in the hepatic wound-healing response after liver injury, but there is little information available on the role of the TWEAK/Fn14 pathway in human HSCs. In this study, we explored the role of TWEAK/Fn14 in activated human HSCs. The LX-2 cells were treated with TWEAK, and the expression of pro-inflammatory cytokines was assayed by enzyme-linked immunosorbent assay (ELISA) and real-time PCR (RT-PCR)...
April 12, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28391869/amplification-of-resonance-rayleigh-scattering-of-gold-nanoparticles-by-tweaking-into-nanowires-bio-sensing-of-%C3%AE-tocopherol-by-enhanced-resonance-rayleigh-scattering-of-curcumin-capped-gold-nanowires-through-non-covalent-interaction
#5
Riham El Kurdi, Digambara Patra
Tuning optical properties by controlling size and shape of the metallic nanoparticles has been of great interest to design novel bio-sensing techniques. Here, as a first example we illustrate that resonance Rayleigh scattering (RRS) signal of Au nanoparticles (NPs) can be amplified >10-fold by growing into Au nanowires (NWs). These thin and long NWs of ~20-25nm diameter and >1µm length can be achieved by suitably manipulating the temperature during green synthesis using curcumin. Interestingly, mixture of Au NWs and NPs or shorter NWs gives a moderate increase in RRS signal suggesting formation of longer NWs is crucial for optimal enhancement of RRS signal...
June 1, 2017: Talanta
https://www.readbyqxmd.com/read/28390578/preventing-food-allergies-with-tweaks-to-the-infant-diet-a-practical-reality
#6
Julie Wang, Marion Groetch
No abstract text is available yet for this article.
April 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28390291/soluble-tweak-and-atheromatosis-progression-in-patients-with-chronic-kidney-disease
#7
Valvanera Fernández-Laso, Nerea Méndez-Barbero, Jose M Valdivielso, Angels Betriu, Elvira Fernández, Jesús Egido, Jose L Martín-Ventura, Luis M Blanco-Colio
BACKGROUND AND AIMS: Circulating soluble TNF-like weak inducer of apoptosis (sTWEAK) concentrations are related to the presence of chronic kidney disease (CKD) and cardiovascular disease (CVD). However, there are no data regarding the potential association between sTWEAK and atheromatosis progression in patients free of cardiovascular events. METHODS: Soluble TWEAK serum concentration was measured in 702 CKD patients without any previous CV event from The National Observatory of Atherosclerosis in Nephrology (NEFRONA) Study...
May 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28383766/tweak-promotes-migration-and-invasion-in-mefs-through-a-mechanism-dependent-on-erks-activation-and-fibulin-3-down-regulation
#8
Celia Sequera, Ana Vázquez-Carballo, María Arechederra, Sonia Fernández-Veledo, Almudena Porras
TWEAK regulates multiple physio-pathological processes in fibroblasts such as fibrosis. It also induces migration and invasion in tumors and it can activate p38 MAPK in various cell types. Moreover, p38α MAPK promotes migration and invasion in several cancer cells types and in mouse embryonic fibroblasts (MEFs). However, it remains unknown if TWEAK could promote migration in fibroblasts and whether p38α MAPK might play a role. Our results reveal that TWEAK activates ERKs, Akt and p38α/β MAPKs and reduces secreted Fibulin 3 in MEFs...
April 6, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28351660/tweak-fn14-activation-contributes-to-the-pathogenesis-of-bullous-pemphigoid
#9
Yale Liu, Lingling Peng, Liang Li, Chengfei Liu, Xiao Hu, Shengxiang Xiao, Yumin Xia
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) participates in various cellular effects by engaging its receptor of fibroblast growth factor inducible 14 (Fn14). Increased levels of soluble TWEAK are associated with systemic autoimmunity in patients with lupus erythematosus, rheumatoid arthritis or dermatomyositis. However, the role of TWEAK in bullous pemphigoid (BP) remains unknown. In this study, we found an elevated serum level of TWEAK and a positive correlation between serum TWEAK and anti-BP180 antibodies...
March 25, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28336619/tweak-makes-u-s-nukes-more-precise-and-deadlier
#10
Eliot Marshall
No abstract text is available yet for this article.
March 24, 2017: Science
https://www.readbyqxmd.com/read/28296307/physically-constrained-voxel-based-penalty-adaptation-for-ultra-fast-imrt-planning
#11
Niklas Wahl, Mark Bangert, Cornelis P Kamerling, Peter Ziegenhein, Gijsbert H Bol, Bas W Raaymakers, Uwe Oelfke
Conventional treatment planning in intensity-modulated radiation therapy (IMRT) is a trial-and-error process that usually involves tedious tweaking of optimization parameters. Here, we present an algorithm that automates part of this process, in particular the adaptation of voxel-based penalties within normal tissue. Thereby, the proposed algorithm explicitly considers a priori known physical limitations of photon irradiation. The efficacy of the developed algorithm is assessed during treatment planning studies comprising 16 prostate and 5 head and neck cases...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28289419/cytokine-signatures-in-mucocutaneous-and-ocular-beh%C3%A3-et-s-disease
#12
Giuseppe Lopalco, Orso Maria Lucherini, Antonio Lopalco, Vincenzo Venerito, Claudia Fabiani, Bruno Frediani, Mauro Galeazzi, Giovanni Lapadula, Luca Cantarini, Florenzo Iannone
Behçet's disease (BD) is a multi-systemic inflammatory disorder consisting of recurrent oral aphthosis, genital ulcers, and chronic relapsing bilateral uveitis; however, many other organs may be affected. Several pro-inflammatory cytokines, mainly derived from Th1 and Th17 lymphocytes, seem to be involved in different pathogenic pathways leading to development of the clinical manifestations. On this basis, the primary aim of our study was to compare a core set of pro-inflammatory cytokines between patients with BD and healthy control (HC)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28257432/alternate-splicing-of-transcripts-shape-macrophage-response-to-mycobacterium-tuberculosis-infection
#13
Haroon Kalam, Mary F Fontana, Dhiraj Kumar
Transcriptional reprogramming of macrophages upon Mycobacterium tuberculosis (Mtb) infection is widely studied; however, the significance of alternate splicing (AS) in shaping cellular responses to mycobacterial infections is not yet appreciated. Alternate splicing can influence transcript stability or structure, function and localization of corresponding proteins thereby altering protein stoichiometry and physiological consequences. Using comprehensive analysis of a time-series RNA-seq data obtained from human macrophages infected with virulent or avirulent strains of Mtb, we show extensive remodeling of alternate splicing in macrophage transcriptome...
March 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28225762/immunology-t-cell-tweaks-to-target-tumours
#14
Marcela V Maus
No abstract text is available yet for this article.
February 22, 2017: Nature
https://www.readbyqxmd.com/read/28216373/tweak-stimulated-macrophages-inhibit-metastasis-of-epithelial-ovarian-cancer-via-exosomal-shuttling-of-microrna
#15
Yuan Hu, Dong Li, Anyue Wu, Xingdi Qiu, Wen Di, Lei Huang, Lihua Qiu
Exosomal-miRNAs are emerging as mediators of crosstalk between tumor cells and macrophages. In this study, we observed that exosomes derived from TWEAK-stimulated macrophages (TMs) could be internalized by epithelial ovarian cancer (EOC) cells and inhibit cell metastasis. Through a miRNA microarray analysis, we identified 19 miRNAs that are differentially expressed in exosomes derived from macrophages treated with or without TWEAK. The study validated that TWEAK not only increased the levels of microRNA-7 (miR-7) in macrophages and its secreted exosomes but also resulted in an elevated level of miR-7 in recipient EOC cells, which eventually reduced the activity of the EGFR/AKT/ERK1/2 pathway...
February 16, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28188716/-immunological-alterations-in-common-variable-immunodeficiency
#16
Laura Berrón-Ruiz
Common variable immunodeficiency (CVID) is the largest group of symptomatic primary immune deficiencies; it is characterized by hypogammaglobulinemia, poor response to vaccines and increased susceptibility to infections. Cellular phenotypes and abnormalities have been described both in adaptive and innate immune response. Several classifications of common variable immunodeficiency are based on defects found on T and B cells, which have been correlated with clinical manifestations. In recent years, significant progress has been made in elucidating the genetic mechanisms that result in a IDCV phenotype...
January 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28166450/channel-disassembled-pick-tweak-and-soak-parts-to-soften
#17
Andriy Anishkin, Sergei Sukharev
No abstract text is available yet for this article.
February 6, 2017: Channels
https://www.readbyqxmd.com/read/28112681/acute-dietary-fat-intake-initiates-alterations-in-energy-metabolism-and-insulin-resistance
#18
Elisa Álvarez Hernández, Sabine Kahl, Anett Seelig, Paul Begovatz, Martin Irmler, Yuliya Kupriyanova, Bettina Nowotny, Peter Nowotny, Christian Herder, Cristina Barosa, Filipa Carvalho, Jan Rozman, Susanne Neschen, John G Jones, Johannes Beckers, Martin Hrabě de Angelis, Michael Roden
BACKGROUND: Dietary intake of saturated fat is a likely contributor to nonalcoholic fatty liver disease (NAFLD) and insulin resistance, but the mechanisms that initiate these abnormalities in humans remain unclear. We examined the effects of a single oral saturated fat load on insulin sensitivity, hepatic glucose metabolism, and lipid metabolism in humans. Similarly, initiating mechanisms were examined after an equivalent challenge in mice. METHODS: Fourteen lean, healthy individuals randomly received either palm oil (PO) or vehicle (VCL)...
February 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28109425/beyond-the-natural-proteome-nondegenerate-saturation-mutagenesis-methodologies-and-advantages
#19
M M Ferreira Amaral, L Frigotto, A V Hine
Beyond the natural proteome, high-throughput mutagenesis offers the protein engineer an opportunity to "tweak" the wild-type activity of a protein to create a recombinant protein with required attributes. Of the various approaches available, saturation mutagenesis is one of the core techniques employed by protein engineers, and in recent times, nondegenerate saturation mutagenesis is emerging as the approach of choice. This review compares the current methodologies available for conducting nondegenerate saturation mutagenesis with traditional, degenerate saturation and briefly outlines the options available for screening the resulting libraries, to discover a novel protein with the required activity and/or specificity...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28103571/identification-of-aurintricarboxylic-acid-as-a-selective-inhibitor-of-the-tweak-fn14-signaling-pathway-in-glioblastoma-cells
#20
Alison Roos, Harshil D Dhruv, Ian T Mathews, Landon J Inge, Serdar Tuncali, Lauren K Hartman, Donald Chow, Nghia Millard, Holly H Yin, Jean Kloss, Joseph C Loftus, Jeffrey A Winkles, Michael E Berens, Nhan L Tran
The survival of patients diagnosed with glioblastoma (GBM), the most deadly form of brain cancer, is compromised by the proclivity for local invasion into the surrounding normal brain, which prevents complete surgical resection and contributes to therapeutic resistance. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK), a member of the tumor necrosis factor (TNF) superfamily, can stimulate glioma cell invasion and survival via binding to fibroblast growth factor-inducible 14 (Fn14) and subsequent activation of the transcription factor NF-κB...
February 14, 2017: Oncotarget
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