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T Chen, Z-P Guo, L-X Fu, N Cao, S Qin
BACKGROUND: Tumour necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK) is a pro-inflammatory cytokine, which is closely associated with the pathogenesis of various types of cutaneous vasculitis (CV). AIM: To investigate the therapeutic effects of an anti-TWEAK monoclonal antibody (mAb) in a mouse model of cutaneous reverse passive Arthus (RPA) reaction. METHODS: Cutaneous RPA reaction was induced in BALB/c mice by intradermal injection of anti-ovalbumin IgG into the left ear followed immediately by intravenous injection of chicken ovalbumin...
October 18, 2016: Clinical and Experimental Dermatology
R S Ahlawat, V Batra, S Pendharkar
No abstract text is available yet for this article.
January 2016: Journal of the Association of Physicians of India
Bin Yang, Ping Yan, Hui Gong, Lin Zuo, Ying Shi, Jian Guo, Rui Guo, Jun Xie, Bao Li
Myocyte apoptosis is a key determinant of cardiac recovery and prognosis of patients with acute myocardial infarction (AMI). Tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK), a member of TNF superfamily, is a pro-inflammatory and pro-angiogenic cytokine implicated in physiological tissue regeneration and wound repair and is closely related to cardiac remodeling, dysfunction and fibrosis. However, the role of TWEAK and its receptor Fn14 in the cardiomyocyte apoptosis is still poorly understood...
2016: American Journal of Translational Research
Deepika Sharma, Brijendra Kumar Tiwari, Subhash Mehto, Cecil Antony, Gunjan Kak, Yogendra Singh, Krishnamurthy Natarajan
The prevalence of Mycobacterium tuberculosis (M. tb) strains eliciting drug resistance has necessitated the need for understanding the complexities of host pathogen interactions. The regulation of calcium homeostasis by Voltage Gated Calcium Channel (VGCCs) upon M. tb infection has recently assumed importance in this area. We previously showed a suppressor role of VGCC during M. tb infections and recently reported the mechanisms of its regulation by M. tb. Here in this report, we further characterize the role of VGCC in mediating defence responses of macrophages during mycobacterial infection...
2016: PloS One
Felix Lam, Christopher M Lalansingh, Holly E Babaran, Zhiyuan Wang, Stephenie D Prokopec, Natalie S Fox, Paul C Boutros
BACKGROUND: Visualization of data generated by high-throughput, high-dimensionality experiments is rapidly becoming a rate-limiting step in computational biology. There is an ongoing need to quickly develop high-quality visualizations that can be easily customized or incorporated into automated pipelines. This often requires an interface for manual plot modification, rapid cycles of tweaking visualization parameters, and the generation of graphics code. To facilitate this process for the generation of highly-customizable, high-resolution Venn and Euler diagrams, we introduce VennDiagramWeb: a web application for the widely used VennDiagram R package...
October 3, 2016: BMC Bioinformatics
Sarah Cuschieri, Julian Mamo
Obesity is a global epidemic. It is responsible for increased patient morbidity and mortality. Significant related pathologies including diabetes mellitus compound the overall risks. Obesity is a significant financial burden. This includes direct and indirect medical costs, amounting to millions of euros each year. Multiple European studies have outlined a steady incline in obesity prevalence rates. Tackling obesity is no easy task. Policy makers aiming to reduce obesity rates should adopt an evidence-based approach...
2016: SAGE Open Medicine
Rizwana Rehman, Amanda Everhart, Alfred T Frontera, Pamela R Kelly, Maria Lopez, Denise Riley, Sheela Sajan, David M Schooff, Tung T Tran, Aatif M Husain
Identification of epilepsy patients from administrative data in large managed healthcare organizations is a challenging task. The objectives of this report are to describe the implementation of an established algorithm and different modifications for the estimation of epilepsy prevalence in the Veterans Health Administration (VHA). For the prevalence estimation during a given time period patients prescribed anti-epileptic drugs and having seizure diagnoses on clinical encounters were identified. In contrast to the established algorithm, which required inclusion of diagnoses data from the time period of interest only, variants were tested by considering diagnoses data beyond prevalence period for improving sensitivity...
September 23, 2016: Epilepsy Research
Luca Di Martino, Maneesh Dave, Paola Menghini, Wei Xin, Kristen Arseneau, Theresa Pizarro, Fabio Cominelli
Inflammatory bowel disease causes chronic, relapsing intestinal inflammation that can lead to the development of colorectal cancer. Members of the TNF superfamily are key regulators of intestinal inflammation. In particular, TNF-like weak inducer of apoptosis (TWEAK) and its receptor, Fn14, are involved in normal and pathologic intestinal tissue remodeling. In this study, we show that the TWEAK/Fn14 signaling complex plays a protective role during the acute stage of intestinal inflammation and contributes to the prevention of colitis-associated cancer during chronic inflammation through its pro-apoptotic effects...
September 9, 2016: Cancer Research
Mehmet Asil, Ramazan Dertli
The mechanisms underlying hepatic inflammation and fibrogenesis in chronic hepatitis B (CHB) are complex and several cytokines are involved. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) is a member of the tumor necrosis factor superfamily which also acts as a cytokine. This study was conducted to evaluate serum soluble TWEAK (sTWEAK) levels in noncirrhotic CHB patients.Fifty-two treatment naive CHB patients and 30 healthy controls were included in the study and serum sTWEAK concentrations were measured using commercially available ELISA kits...
September 2016: Medicine (Baltimore)
Andrey Elchaninov, Timur Fatkhudinov, Natalia Usman, Evgeniya Kananykhina, Irina Arutyunyan, Andrey Makarov, Galina Bolshakova, Dmitry Goldshtein, Gennady Sukhikh
Proliferation of hepatocytes is known to be the main process in the hepatectomy-induced liver regrowth; however, in cases of extensive loss it may be insufficient for complete recovery unless supported by some additional sources e.g. mobilization of undifferentiated progenitors. The study was conducted on rat model of 80% subtotal hepatectomy; the objective was to evaluate contributions of hepatocytes and resident progenitor cells to the hepatic tissue recovery via monitoring specific mRNA and/or protein expression levels for a panel of genes implicated in growth, cell differentiation, angiogenesis, and inflammation...
2016: PloS One
M N Salem, H A Taha, M Abd El-Fattah El-Feqi, N N Eesa, R A Mohamed
BACKGROUND: Renal involvement in systemic lupus erythematosus (SLE), known as lupus nephritis (LN), is a common and severe complication and a major predictor of poor outcome. Long-term survival in SLE can be improved with early diagnosis and prompt treatment of LN. A number of biochemical markers are currently used to clinically assess disease activity in patients; however, they lack sensitivity and specificity for differentiating renal activity and damage in LN. A reliable clinical biomarker that can forecast LN flare and which could be sequentially followed would help to optimize initiation and escalation of therapy at the time of active or relapsing disease...
September 12, 2016: Zeitschrift Für Rheumatologie
Jonay Poveda, Ana B Sanz, Beatriz Fernandez-Fernandez, Susana Carrasco, Marta Ruiz-Ortega, Pablo Cannata-Ortiz, Alberto Ortiz, Maria D Sanchez-Niño
Current therapy for chronic kidney disease (CKD) is unsatisfactory because of an insufficient understanding of its pathogenesis. Matrix remodelling-associated protein 5 (MXRA5, adlican) is a human protein of unknown function with high kidney tissue expression, not present in rodents. Given the increased expression of MXRA5 in injured tissues, including the kidneys, we have suggested that MXRA5 may modulate kidney injury. MXRA5 immunoreactivity was observed in tubular cells in human renal biopsies and in urine from CKD patients...
September 6, 2016: Journal of Cellular and Molecular Medicine
Diego A González-Sánchez, Cristian M Álvarez, Gloria Vásquez, José A Gómez-Puerta
Knowledge of the signalling pathways involved in various diseases has enabled advances in the understanding of pathophysiological, diagnostic and therapeutic models of several inflammatory and autoimmune diseases. Systemic lupus erythematosus is a widely studied autoimmune disease that can affect multiple organs, with a major impact on morbidity and mortality when it involves the kidneys. Over the past 10 years, interest in the role of the TWEAK/Fn14 signalling pathway in lupus nephritis, as well as other clinical settings, has increased...
August 29, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
Clara Maria Pinheiro-Dardis, Thiago Luiz Russo
OBJECTIVE: The aim of this work was to investigate the effects of electrical stimulation (ES) of denervated muscles of rat in neuromuscular performance, muscle atrophy, and fibrosis formation. DESIGN: Wistar rats were divided into normal (N), 7- or 15-day denervation (D7d and D15d), D7d or D15d plus ES (DES7d and DES15d, respectively). Sciatic nerves were crushed causing muscle denervation. Two hundred muscle contractions were electrically induced daily by surface electrodes, considering muscle chronaxie...
August 31, 2016: American Journal of Physical Medicine & Rehabilitation
Pravin S Shinde, Su Yong Lee, Sun Hee Choi, Hyun Hwi Lee, Jungho Ryu, Jum Suk Jang
Augmenting the donor density and nanostructure engineering are the crucial points to improve solar water oxidation performance of hematite (α-Fe2O3). This work addresses the sluggish water oxidation reaction associated with hematite photoanode by tweaking its internal porosity. The porous hematite photoanodes are fabricated by a novel synthetic strategy via pulse reverse electrodeposition (PRED) method that involves incorporation of a cationic CTAB surfactant in a sulfate electrolyte and spin-coated ZrO2 underlayer (UL) on FTO...
2016: Scientific Reports
Mangesh Kokate, Kalyanrao Garadkar, Anand Gole
We describe herein a unique approach to synthesize zinc oxide-silica-silver (ZnO-SiO2-Ag) nanocomposite, in a simple, one-pot process. The typical process for ZnO synthesis by alkaline precipitation of zinc salts has been tweaked to replace alkali by alkaline sodium silicate. The free acid from zinc salts helps in the synthesis of silica nanoparticles, whereas the alkalinity of sodium silicate precipitates the zinc salts. Addition of silver ions into the reaction pot prior to addition of sodium silicate, and subsequent reduction by borohydride, gives additional functionality of metallic centres for catalytic applications...
December 1, 2016: Journal of Colloid and Interface Science
Sabyasachi Das, Yoichi Sutoh, Masayuki Hirano, Qifeng Han, Jianxu Li, Max D Cooper, Brantley R Herrin
BAFF (TNF superfamily [TNFSF] 13B/Blys) and APRIL (TNFSF13) are important regulatory factors for lymphocyte activation and survival in mammals. A BAFF/APRIL-like relative called BAFF- and APRIL-like molecule (BALM) has also been identified in cartilaginous and bony fishes, and we report in this study a BAFF-like gene in lampreys. Our phylogenetic analysis of these genes and a related TNFSF12 gene called TNF-like weak inducer of apoptosis (TWEAK) suggest that, whereas an ancestral homolog of BAFF and APRIL was already present in a common ancestor of jawed and jawless vertebrates, TWEAK evolved early on in the jawed vertebrate lineage...
October 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
Luciana Garbayo, James Stahl
Guidelines orient best practices in medicine, yet, in health care, many real world constraints limit their optimal realization. Since guideline implementation problems are not systematically anticipated, they will be discovered only post facto, in a learning curve period, while the already implemented guideline is tweaked, debugged and adapted. This learning process comes with costs to human health and quality of life. Despite such predictable hazard, the study and modeling of medical guideline implementation is still seldom pursued...
August 6, 2016: Medicine, Health Care, and Philosophy
Paola Quaranta, Daniele Focosi, Giulia Freer, Mauro Pistello
Mesenchymal Stem Cells (MSCs) can be found in various body sites. Their main role is to differentiate into cartilage, bone, muscle, and fat cells to allow tissue maintenance and repair. During inflammation, MSCs exhibit important immunomodulatory properties that are not constitutive, but require activation, upon which they may exert immunosuppressive functions. MSCs are defined as "sensors of inflammation" since they modulate their ability of interfering with the immune system both in vitro and in vivo upon interaction with different factors...
September 15, 2016: Stem Cells and Development
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...
2016: Journal of Applied Clinical Medical Physics
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