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Author |
Momeny, M.; Moghaddaskho, F.; Gortany, N.K.; Yousefi, H.; Sabourinejad, Z.; Zarrinrad, G.; Mirshahvaladi, S.; Eyvani, H.; Barghi, F.; Ahmadinia, L.; Ghazi-Khansari, M.; Dehpour, A.R.; Amanpour, S.; Tavangar, S.M.; Dardaei, L.; Emami, A.H.; Alimoghaddam, K.; Ghavamzadeh, A.; Ghaffari, S.H. |
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Title |
Blockade of vascular endothelial growth factor receptors by tivozanib has potential anti-tumour effects on human glioblastoma cells |
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Journal Article |
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Year |
2017 |
Publication |
Scientific Reports |
Abbreviated Journal |
Sci Rep |
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Volume |
7 |
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Pages |
44075 |
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Abstract |
Glioblastoma (GBM) remains one of the most fatal human malignancies due to its high angiogenic and infiltrative capacities. Even with optimal therapy including surgery, radiotherapy and temozolomide, it is essentially incurable. GBM is among the most neovascularised neoplasms and its malignant progression associates with striking neovascularisation, evidenced by vasoproliferation and endothelial cell hyperplasia. Targeting the pro-angiogenic pathways is therefore a promising anti-glioma strategy. Here we show that tivozanib, a pan-inhibitor of vascular endothelial growth factor (VEGF) receptors, inhibited proliferation of GBM cells through a G2/M cell cycle arrest via inhibition of polo-like kinase 1 (PLK1) signalling pathway and down-modulation of Aurora kinases A and B, cyclin B1 and CDC25C. Moreover, tivozanib decreased adhesive potential of these cells through reduction of intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1). Tivozanib diminished GBM cell invasion through impairing the proteolytic cascade of cathepsin B/urokinase-type plasminogen activator (uPA)/matrix metalloproteinase-2 (MMP-2). Combination of tivozanib with EGFR small molecule inhibitor gefitinib synergistically increased sensitivity to gefitinib. Altogether, these findings suggest that VEGFR blockade by tivozanib has potential anti-glioma effects in vitro. Further in vivo studies are warranted to explore the anti-tumour activity of tivozanib in combinatorial approaches in GBM. |
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Haematology/Oncology and Stem Cell Transplantation Research Centre, Shariati Hospital, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran |
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English |
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2045-2322 |
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PMID:28287096 |
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Call Number |
ref @ user @ |
Serial |
96601 |
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Author |
Labriola, L.; Pochet, J.-M. |
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Title |
Any use for alternative lock solutions in the prevention of catheter-related blood stream infections? |
Type |
Journal Article |
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Year |
2017 |
Publication |
The Journal of Vascular Access |
Abbreviated Journal |
J Vasc Access |
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Volume |
18 |
Issue |
Suppl. 1 |
Pages |
34-38 |
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Keywords |
Anti-Infective Agents/adverse effects/*therapeutic use; Anticoagulants/therapeutic use; Bacteremia/diagnosis/microbiology/*prevention & control; Biofilms; Catheter-Related Infections/diagnosis/microbiology/*prevention & control; Catheterization, Central Venous/adverse effects/*instrumentation; *Catheters, Indwelling/adverse effects/microbiology; *Central Venous Catheters/adverse effects/microbiology; Equipment Design; Humans; *Renal Dialysis; Risk Factors; Treatment Outcome |
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Abstract |
The prevention of catheter-related blood stream infections (CRBSI) in hemodialysis (HD) patients remains a challenge because of high morbidity and mortality associated to CRBSI. Alternative locking solutions (ALS) containing an antithrombotic substance with additional antimicrobial or antibiofilm properties (citrate, ethylenediaminetetraacetic acid [EDTA], 70% ethanol, thrombolytics) with or without the addition of molecules with specific antimicrobial activity (antibiotics, taurolidine, paraben-methylene-blue) has been proposed with the aim to prevent or eradicate intraluminal biofilm colonization and subsequent CRBSI. In this review, we examine the available evidence concerning their efficacy and potential side effects, in order to determine whether ALS should be implemented widely or only in selected cases. |
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Department of Nephrology, Cliniques Universitaires Saint-Luc, Universite Catholique de Louvain, Brussels – Belgium |
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1129-7298 |
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PMID:28297055 |
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Call Number |
ref @ user @ |
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99036 |
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Author |
Labriola, L.; Pochet, J.-M. |
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Title |
Any use for alternative lock solutions in the prevention of catheter-related blood stream infections? |
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Journal Article |
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Year |
2017 |
Publication |
The Journal of Vascular Access |
Abbreviated Journal |
J Vasc Access |
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Volume |
18 |
Issue |
Suppl. 1 |
Pages |
34-38 |
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Keywords |
Anti-Infective Agents/adverse effects/*therapeutic use; Anticoagulants/therapeutic use; Bacteremia/diagnosis/microbiology/*prevention & control; Biofilms; Catheter-Related Infections/diagnosis/microbiology/*prevention & control; Catheterization, Central Venous/adverse effects/*instrumentation; *Catheters, Indwelling/adverse effects/microbiology; *Central Venous Catheters/adverse effects/microbiology; Equipment Design; Humans; *Renal Dialysis; Risk Factors; Treatment Outcome |
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Abstract |
The prevention of catheter-related blood stream infections (CRBSI) in hemodialysis (HD) patients remains a challenge because of high morbidity and mortality associated to CRBSI. Alternative locking solutions (ALS) containing an antithrombotic substance with additional antimicrobial or antibiofilm properties (citrate, ethylenediaminetetraacetic acid [EDTA], 70% ethanol, thrombolytics) with or without the addition of molecules with specific antimicrobial activity (antibiotics, taurolidine, paraben-methylene-blue) has been proposed with the aim to prevent or eradicate intraluminal biofilm colonization and subsequent CRBSI. In this review, we examine the available evidence concerning their efficacy and potential side effects, in order to determine whether ALS should be implemented widely or only in selected cases. |
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Department of Nephrology, Cliniques Universitaires Saint-Luc, Universite Catholique de Louvain, Brussels – Belgium |
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1129-7298 |
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PMID:28297055 |
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Call Number |
ref @ user @ |
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100066 |
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Author |
Pinsky, I.; Noto, A.R.; Botequio de Moraes, M.C.; Lucas Dos Santos, E.; Sparks, R.; O'Brien, K. |
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Title |
Alcohol Industry Sponsorship of University Student Sports Clubs in Brazil |
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Journal Article |
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Year |
2017 |
Publication |
Journal of Studies on Alcohol and Drugs |
Abbreviated Journal |
J Stud Alcohol Drugs |
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78 |
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2 |
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306-312 |
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Alcohol Drinking/*economics; Brazil; Commerce; Humans; Marketing/*economics; Perception; *Sports; Students; *Universities |
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Abstract |
OBJECTIVE: The university sport environment represents an important target for alcohol industry marketing. This study investigated the nature of relationships between the alcohol industry and university student sports clubs (USSCs). METHOD: Semi-structured interviews were conducted with board members from 60 active USSCs in the city of Sao Paulo, Brazil. Interviews were transcribed and subjected to content analysis using NVivo10. RESULTS: All invited USSCs participated in the study. Most (n = 53; 88%) reported having signed contracts with the alcohol industry (breweries, in every case) to have their sports events and parties sponsored. The most common sponsorship arrangement involved the supply of discounted beer for sport and student events. T-shirts, beer freezers, and stereo systems were also frequently provided by the alcohol industry to support alcohol-related sports events. In addition, the alcohol industry event promoters helped market the events and products. In return, the USSCs agreed to exclusively sell the sponsors' brand of beer and/or order and sell a quota of beer at their events. Forty-nine interviewees (81%) reported agreements with alcohol companies whereby open bars (free alcohol events) would also be provided. Despite reporting a range of alcohol harms, participants did not perceive there to be a high risk of harm from the alcohol sponsorship arrangements. CONCLUSIONS: Most USSCs in Sao Paulo, Brazil, have formalized contracts with the alcohol industry that promote the marketing, sale, and consumption of alcohol at parties and university games. A critical review of the impacts of these practices and university policies on alcohol industry sponsorship that can take account of the role of such arrangements in student drinking is warranted. |
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School of Social Sciences, Monash University, Melbourne, Australia |
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1937-1888 |
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Notes |
PMID:28317512 |
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Call Number |
ref @ user @ |
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97333 |
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Author |
Villalobos, A.M.; Barraza, F.; Jorquera, H.; Schauer, J.J. |
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Title |
Wood burning pollution in southern Chile: PM2.5 source apportionment using CMB and molecular markers |
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Journal Article |
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Year |
2017 |
Publication |
Environmental Pollution (Barking, Essex : 1987) |
Abbreviated Journal |
Environ Pollut |
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225 |
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514-523 |
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Aerosols/analysis; Air Pollutants/*analysis; Chile; Cities; Coal; Dust; *Environmental Monitoring; Fires; Heating; Nitrates/analysis; Particulate Matter/*analysis; Seasons; Smoke; Sulfates/analysis; Wood/chemistry; Cmb-Mm; Fuel poverty; Source apportionment; Southern Chile; Sustainable urban development; Wood burning |
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Temuco is a mid-size city representative of severe wood smoke pollution in southern Chile; i.e., ambient 24-h PM2.5 concentrations have exceeded 150 mug/m3 in the winter season and the top concentration reached 372 mug/m3 in 2010. Annual mean concentrations have decreased but are still above 30 mug/m3. For the very first time, a molecular marker source apportionment of ambient organic carbon (OC) and PM2.5 was conducted in Temuco. Primary resolved sources for PM2.5 were wood smoke (37.5%), coal combustion (4.4%), diesel vehicles (3.3%), dust (2.2%) and vegetative detritus (0.7%). Secondary inorganic PM2.5 (sulfates, nitrates and ammonium) contributed 4.8% and unresolved organic aerosols (generated from volatile emissions from incomplete wood combustion), including secondary organic aerosols, contributed 47.1%. Adding the contributions of unresolved organic aerosols to those from primary wood smoke implies that wood burning is responsible for 84.6% of the ambient PM2.5 in Temuco. This predominance of wood smoke is ultimately due to widespread poverty and a lack of efficient household heating methods. The government has been implementing emission abatement policies but achieving compliance with ambient air quality standards for PM2.5 in southern Chile remains a challenge. |
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Environmental Chemistry and Technology Program, University of Wisconsin-Madison, 660 North Park Street, Madison, WI 53706, USA |
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0269-7491 |
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Notes |
PMID:28318790 |
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Call Number |
ref @ user @ |
Serial |
97509 |
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