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Ingunn Holen, Diane V Lefley, Sheila E Francis, Sarah Rennicks, Steven Bradbury, Robert E Coleman, Penelope Ottewell
BACKGROUND: We have recently identified interleukin 1B (IL-1B) as a potential biomarker for predicting breast cancer patients at increased risk for developing bone metastasis. In mouse models, IL-1B and its receptor (IL-1R1) are upregulated in breast cancer cells that metastasise to bone compared with cells that do not. We have now investigated the functional role of IL-1 by blocking IL-1R signalling with the clinically licensed antagonist, anakinra. METHODOLOGY: 6-week old female BALB/c mice received a subcutaneous or intra-venous injection of MDA-MB-231-IV or MCF7 cells...
September 27, 2016: Oncotarget
Indu Jose Thoompumkal, Krishnan Rehna, Kumaraswamy Anbarasu, Sundarasamy Mahalingam
Guanine nucleotide binding protein-like 3-like (GNL3L) is an evolutionarily conserved putative nucleolar GTPase belonging to the HSR1-MMR1 family. In the present study, using protein-protein interaction assays, we show that Leucine Zipper Down-regulated in Cancer-1 (LDOC1) is a novel interacting partner of GNL3L. Furthermore, our results reveal that ectopic expression of LDOC1 destabilizes endogenous GNL3L levels and down modulates GNL3L-induced cell proliferation, in contrast, the knockdown of LDOC1 potentiates cell proliferation upon GNL3L expression...
October 20, 2016: Cell Cycle
Sayantan Maji, Pankaj Chaudhary, Irina Akopova, Phung M Nguyen, Richard J Hare, Ignacy Gryczynski, Jamboor K Vishwanatha
: Tumor-derived exosomes are emerging mediators of tumorigenesis and tissue-specific metastasis. Proteomic profiling has identified Annexin A2 as one of the most highly expressed proteins in exosomes; however, studies focused on the biological role of exosomal-AnnexinA2 (exo-AnxA2) are still lacking. In this study, mechanistic insight was sought regarding exo-AnxA2 and its function in angiogenesis and breast cancer metastasis. Multiple in vitro and in vivo techniques were used to study the role of exo-AnxA2 in angiogenesis...
October 19, 2016: Molecular Cancer Research: MCR
Daniel A De Luis, Rocío Aller, Olatz Izaola, David Primo, E Romero
INTRODUCTION: The aim of our study was to analyze the relationship of the rs9939609 FTO gene polymorphism with insulin resistance and serum adipokine levels. MATERIAL AND METHODS: A population of 610 patients with obesity was analyzed in a cross sectional design. Weight, blood pressure, basal glucose, c-reactive protein (CRP), insulin, insulin resistance (HOMA), lipid profile and adipocytokines (leptin, adiponectin, resistin, TNF alpha, and interleukin 6) levels were measured...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Cong Ming-Hua, Zou Bao-Hua, Yu Lei
Anorexia cancer cachexia syndrome is prevalent in advanced cancer patients, which is featured by anorexia, decreased dietary intake, body weight loss (skeletal muscle mass loss), and unable to be reversed by routine nutritional support therapy. Up to now, the main mechanisms involved in cancer cachexia include excessive systemic inflammation, which is represented by increased plasma levels of IL-1, IL-6, TNF-alpha, tumor-induced factors, such as PIF and LMF. These factors eventually act on orexigenic and anorexigenic neurons located in hypothalamus or protein and lipid metabolism of peripheral tissues, which lead to anorexia, decreased dietary intake, enhanced basic metabolism rate and hyper catabolism...
October 18, 2016: Current Pharmaceutical Biotechnology
Chu-Qiang Qin, Dong-Sheng Huang, Chi Zhang, Bin Song, Jian-Bin Huang, Yue Ding
BACKGROUND: Aseptic loosening is a significant impediment to joint implant longevity. Prosthetic wear particles are postulated to play a central role in the onset and progression of periprosthetic osteolysis, leading to aseptic loosening of the prosthesis. METHODS: We investigated the inhibitory effects of a lentivirus-mediated short hairpin RNA that targets the TNF-alpha gene on the particle-induced inflammatory and osteolytic changes via macrophages both in vitro and in vivo...
October 18, 2016: BMC Musculoskeletal Disorders
Bart V J Cuppen, Johannes W G Jacobs, Evert-Jan Ter Borg, Anne C A Marijnissen, Johannes W J Bijlsma, Floris P J G Lafeber, Jacob M van Laar
OBJECTIVES: Despite the success of TNF-alpha inhibitor (TNFi) treatment in rheumatoid arthritis (RA), a substantial number of patients necessitate discontinuation. Prediction thereof would be clinically relevant and guide the decision whether to start TNFi treatment. METHODS: Data were used from the observational BiOCURA cohort, in which patients initiating biological treatment were enrolled and followed up for one year. In the model development cohort (n=192), a model predicting TNFi discontinuation was built using Cox-regression with backward selection (p<0...
October 7, 2016: Clinical and Experimental Rheumatology
Bindu Madhavi Mudduluru, Shalin Shah, Steven Shamah, Arun Swaminath
Tumor necrosis factor alpha (TNF alpha) antagonists are biologic agents used in the management of inflammatory conditions such as rheumatoid arthritis, seronegative spondyloarthropathies and inflammatory bowel disease. These agents have been recently shown to cause a syndrome called anti-TNF induced lupus (ATIL), a rare condition which has similar clinical manifestations to idiopathic systemic lupus erythematosus (SLE). Given that extra-intestinal manifestations of inflammatory bowel disease include arthritis, it can be difficult to separate arthritis due to underlying disease from drug-induced arthritis...
October 17, 2016: Postgraduate Medicine
Daniel Wendling, Frank Verhoeven, Xavier Guillot, Clément Prati
No abstract text is available yet for this article.
October 13, 2016: Expert Opinion on Drug Safety
Irma Izani Mohamad Isa, Suhaili Abu Bakar, Siti Farah Md Tohid, Abdul Manan Mat Jais
ETHNOPHARMACOLOGICAL RELEVANCE: Haruan, Channa striatus, is a freshwater fish which has been well-known locally to accelerate wound healing during post-operative and post-partum periods. The fish extract also has potent anti-inflammatory and analgesic properties. AIM OF THE STUDY: To assess topical anti-inflammatory effect of Haruan cream on 12-0-tetradecanoylphorbol-13-acetate (TPA)-induced chronic-like dermatitis in mice. MATERIALS AND METHODS: Male ICR mice were randomized into six groups of five mice each: acetone (vehicle), TPA alone (negative control), three Haruan treatment groups (Haruan 1%, Haruan 5% and Haruan 10%) and hydrocortisone 1% (positive control)...
October 9, 2016: Journal of Ethnopharmacology
Qiu-Fang Gao, Xiu-Hong Zhang, Feng-Lai Yuan, Ming-Dong Zhao, Xia Li
Bone loss is a critical pathology responsible for the functional disability in patients with rheumatoid arthritis (RA). It is well known that receptor activator of nuclear factor kappa-B (NF-κB) ligand (RANKL) plays a crucial role in bone loss in RA. The purpose of this study was to determine whether recombinant human endostatin (rh-endostatin) mediates bone erosion in RA by regulation of RANKL expression in an experimental model of RA, consisting of mice with adjuvant-induced arthritis (AA). Cultured AA fibroblast-like synoviocytes (FLSs) obtained from these mice were induced by tumor necrosis factor-α (TNF-α) combined with or without rh-endostatin...
October 12, 2016: Cell Biology International
Ching-Yan C Yeung, David F Holmes, Helen A Thomason, Christian Stephenson, Brian Derby, Matthew J Hardman
Pressure ulcers are complex wounds caused by pressure- and shear-induced trauma to skin and underlying tissues. Pressure-reducing devices, such as dressings, have been shown to successfully reduce pressure ulcer incidence, when used in adjunct to pressure ulcer preventative care. While pressure-reducing devices are available in a range of materials, with differing mechanical properties, understanding of how a material's mechanical properties will influence clinical efficacy remains limited. The aim of this study was to establish a standardised ex vivo model to allow comparison of the cell protection potential of two gel-like pressure-reducing devices with differing mechanical properties (elastic moduli of 77 kPa v 35 kPa)...
September 26, 2016: Wound Repair and Regeneration
Semjon Seemann, Amelie Lupp
BACKGROUND: Chemokine receptor 4 (CXCR4) is a multifunctional G protein-coupled receptor that is activated by its natural ligand, C-X-C motif chemokine 12 (CXCL12). As a likely member of the lipopolysaccharide (LPS)-sensing complex, CXCR4 is involved in pro-inflammatory cytokine production and exhibits substantial chemo-attractive activity for various inflammatory cells. Here, we aimed to characterize the effects of CXCR4 blockade in systemic inflammation and to evaluate its impact on organ function...
October 3, 2016: Journal of Biomedical Science
Maciej R Czerniuk, Zbigniew Bartoszewicz, Krzysztof J Filipiak, Iwona Dudzik-Niewiadomska, Tomasz Pilecki, Renata Górska
BACKGROUND: Presented pilot study was conducted in order to evaluate dynamic fluctuations of blood inflammation markers among patients with congestive heart failure (CHF) and coexistent periodontitis (PDis). AIM: Study hypothesis stated that elimination of chronic inflammation caused by PDis has a significant impact on inflammation markers and, secondarily, also on course and prognosis of CHF. NT-proBNP and TNF-alpha markers were assessed due to their proven diagnostic significance...
October 7, 2016: Kardiologia Polska
D Windschall, G Horneff
The TNF inhibitors etanercept (ETA) and adalimumab (ADA) are approved for treating patients older than 2 years with polyarticular juvenile idiopathic arthritis (JIA). Because long-term experience of treating children younger than 4 years is limited, we evaluated the efficacy and safety of ETA or ADA in patients aged 2-4 years. This prospective, long-term, observational registry study documented baseline demographics, clinical characteristics, disease activity parameters, and safety of patients treated with ETA or ADA...
October 5, 2016: Clinical Rheumatology
Jangsun Hwang, Youngmin Seo, Yeonho Jo, Jaewoo Son, Jonghoon Choi
C-reactive protein (CRP) is a pentameric protein that is present in the bloodstream during inflammatory events, e.g., liver failure, leukemia, and/or bacterial infection. The level of CRP indicates the progress and prognosis of certain diseases; it is therefore necessary to measure CRP levels in the blood accurately. The normal concentration of CRP is reported to be 1-3 mg/L. Inflammatory events increase the level of CRP by up to 500 times; accordingly, CRP is a biomarker of acute inflammatory disease. In this study, we demonstrated the preparation of DNA aptamer-conjugated peripheral blood mononuclear cells (Apt-PBMCs) that specifically capture human CRP...
October 6, 2016: Scientific Reports
Mirjana Bećarević
Antiphospholipid syndrome (APS) is characterized by thromboses and/or pregnancy losses. Laboratory criterion for the diagnosis of APS is the presence of antiphospholipid antibodies (anticardiolipin, anti-beta2-glycoprotein I (aβ2gpI) and lupus anticoagulant). On the one hand, the latest classification criteria for the diagnosis of APS emphasized that thrombotic manifestations of the syndrome should be without any signs of an inflammatory process, while on the other hand, some recent reports have suggested that APS is a "pro-inflammatory state...
October 4, 2016: Rheumatology International
Wafa Omer, Abdul K Naveed, Omer J Khan, Dilshad A Khan
AIMS: Pro- and anti-inflammatory cytokines play a significant role in early atherosclerosis. Linkage disequilibrium patterns differ between ethnic groups pointing toward the need to develop population-specific gene risk scores. Our objective was to investigate the role of a cytokine gene score in the risk prediction of premature coronary artery disease (PCAD). METHODS: A case-control study was performed at the National University of Sciences and Technology (NUST) in collaboration with the Cardiovascular Genetics Institute, University College London, United Kingdom...
September 30, 2016: Genetic Testing and Molecular Biomarkers
Neha Kapila, Ankita Sharma, Amit Kishore, Monika Sodhi, Pawan K Tripathi, Ashok K Mohanty, Manishi Mukesh
The present study aims to identify the heat responsive genes and biological pathways in heat stressed buffalo mammary epithelial cells (MECs). The primary mammary epithelial cells of riverine buffalo were exposed to thermal stress at 42°C for one hour. The cells were subsequently allowed to recover at 37°C and harvested at different time intervals (30 min to 48 h) along with control samples (un-stressed). In order to assess the impact of heat stress in buffalo MECs, several in-vitro cellular parameters (lactate dehydrogenase activity, cell proliferation assay, cellular viability, cell death and apoptosis) and transcriptional studies were conducted...
2016: PloS One
Tae-Rin Kwon, Eun Ja Choi, Chang Taek Oh, Dong-Ho Bak, Song-I Im, Eun Jung Ko, Hyuck Ki Hong, Yeon Shik Choi, Joon Seok, Sun Young Choi, Gun Young Ahn, Beom Joon Kim
BACKGROUND AND OBJECTIVES: Many studies have investigated the application of micro-insulated needles with radio frequency (RF) to treat acne in humans; however, the use of a micro-insulated needle RF applicator has not yet been studied in an animal model. The purpose of this study was to evaluate the effectiveness of a micro-insulated needle RF applicator in a rabbit ear acne (REA) model. STUDY DESIGN/MATERIALS AND METHODS: In this study, we investigated the effect of selectively destroying the sebaceous glands using a micro-insulated needle RF applicator on the formation of comedones induced by application of 50% oleic acid and intradermal injection of P...
September 29, 2016: Lasers in Surgery and Medicine
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