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- Che, K. F., et al.
(författare)
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The neutrophil-mobilizing cytokine interleukin-26 in the airways of long-term tobacco smokers
- 2018
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Ingår i: Clinical Science. - : Portland Press Ltd.. - 0143-5221 .- 1470-8736. ; 132:9, s. 959-983
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Tidskriftsartikel (refereegranskat)abstract
- Long-term tobacco smokers with chronic obstructive pulmonary disease (COPD) or chronic bronchitis display an excessive accumulation of neutrophils in the airways; an inflammation that responds poorly to established therapy. Thus, there is a need to identify new molecular targets for the development of effective therapy. Here, we hypothesized that the neutrophil-mobilizing cytokine interleukin (IL)-26 (IL-26) is involved in airway inflammation amongst long-term tobacco smokers with or without COPD, chronic bronchitis or colonization by pathogenic bacteria. By analyzing bronchoalveolar lavage (BAL), bronchail wash (BW) and induced sputum (IS) samples, we found increased extracellular IL-26 protein in the airways of long-term smokers in vivo without further increase amongst those with clinically stable COPD. In human alveolar macrophages (AM) in vitro, the exposure to water-soluble tobacco smoke components (WTC) enhanced IL-26 gene and protein. In this cell model, the same exposure increased gene expression of the IL-26 receptor complex (IL10R2 and IL20R1) and nuclear factor kappa B (NF-kappa B); a proven regulator of IL-26 production. In the same cell model, recombinant human IL-26 in vitro caused a concentration-dependent increase in the gene expression of NF-kappa B and several pro-inflammatory cytokines. In the long-term smokers, we also observed that extracellular IL-26 protein in BAL samples correlates with measures of lung function, tobacco load, and several markers of neutrophil accumulation. Extracellular IL-26 was further increased in long-term smokers with exacerbations of COPD (IS samples), with chronic bronchitis (BAL samples) or with colonization by pathogenic bacteria (IS and BW samples). Thus, IL-26 in the airways emerges as a promising target for improving the understanding of the pathogenic mechanisms behind several pulmonary morbidities in long-term tobacco smokers.
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- Aneheim, Emma, 1982, et al.
(författare)
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Single Centrifugal Contactor Test of a Proposed Group Actinide Extraction Process for Partitioning and Transmutation Purposes
- 2015
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Ingår i: Separation Science and Technology. - : Informa UK Limited. - 1520-5754 .- 0149-6395. ; 50:10, s. 1554-1559
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Tidskriftsartikel (refereegranskat)abstract
- In this work a solvent comprising of tri-butyl phosphate and bis-triazinyl, bi-pyridine in cyclohexanone has been used in a single centrifugal contactor test to evaluate its GANEX process potential. It was found that the density of the aqueous phase had to be increased to facilitate phase separation in the centrifuge. The kinetics of the system was also found to be relatively slow in the equipment of choice, especially regarding the stripping. However, it was still possible to recover more than 87% of all actinides in one extraction step with minor fission product contaminations using a flowrate of 30 mL/h.
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- Chagnes, A., et al.
(författare)
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WEEE recycling: Research, development, and policies
- 2016
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Bok (övrigt vetenskapligt/konstnärligt)abstract
- WEEE Recycling: Research, Development, and Policies covers policies, research, development, and challenges in recycling of waste electrical and electronic equipment (WEEE). The book introduces WEEE management and then covers the environmental, economic, and societal applications of e-waste recycling, focusing on the technical challenges to designing efficient and sustainable recycling processes-including physical separation, pyrometallurgical, and hydrometallurgical processes. The development of processes for recovering strategic and critical metals from urban mining is a priority for many countries, especially those having few available ores mining. Describes the two metallurgical processes-hydro- and pyro-metallurgy-and their application in recycling of metals Provides a life cycle analysis in the WEEE recycling of metals Outlines how to determine economic parameters in the recycling of waste metals Discusses the socio economic and environmental implication of metal recycling.
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- Chen, L., et al.
(författare)
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Risk of disability pension in patients following rectal cancer treatment and surgery
- 2015
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Ingår i: British Journal of Surgery. - : Oxford University Press (OUP). - 0007-1323 .- 1365-2168. ; 102:11, s. 1426-1432
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundAspects of survivorship, such as long-term ability to work, are increasingly relevant owing to the improved survival of patients with rectal cancer. The aim of this study was to assess risk and determinants of disability pension (DP) in this patient group. MethodsUsing Swedish national clinical and population-based registers, patients with stage I-III rectal cancer aged 18-61years in 1995-2009 were identified at diagnosis and matched with population comparators. Prospectively registered records of DP during follow-up were retrieved up to 2013. Non-proportional and proportional hazards models were used to estimate the incidence rate ratio (IRR) for DP annually and overall. Potential variations in risk by demographic and clinical factors were calculated, with relapse as a time-varying exposure. ResultsA total of 2815 patients were identified and compared with 13465 population comparators. During a median follow-up of 60 (range 0-10) years, 233 per cent of the relapse-free patients and 103 per cent of the population comparators received DP (IRR 240, 95 per cent c.i. 217 to 265). An increased annual risk of DP was evident almost every year until the tenth year of follow-up. Abdominoperineal resection was associated with an increased DP risk compared with anterior resection (IRR 144, 119 to 175). Surgical complications (IRR 133, 110 to 162) and reoperation (IRR 142, 109 to 184), but not radiotherapy or chemotherapy, were associated with risk of DP. ConclusionRelapse-free patients with rectal cancer of working age are at risk of disability pension. Higher than expected
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- Cippà, Pietro E, et al.
(författare)
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Risk Stratification for Rejection and Infection after Kidney Transplantation.
- 2015
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Ingår i: Clinical Journal of the American Society of Nephrology. - 1555-905X. ; 10:12, s. 2213-2220
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Tidskriftsartikel (refereegranskat)abstract
- Definition of individual risk profile is the first step to implement strategies to keep the delicate balance between under- and overimmunosuppression after kidney transplantation.
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