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- Getahun, H, et al.
(författare)
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Management of latent Mycobacterium tuberculosis infection: WHO guidelines for low tuberculosis burden countries
- 2015
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Ingår i: The European respiratory journal. - : European Respiratory Society (ERS). - 1399-3003 .- 0903-1936. ; 46:6, s. 1563-1576
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Tidskriftsartikel (refereegranskat)abstract
- Latent tuberculosis infection (LTBI) is characterised by the presence of immune responses to previously acquired Mycobacterium tuberculosis infection without clinical evidence of active tuberculosis (TB). Here we report evidence-based guidelines from the World Health Organization for a public health approach to the management of LTBI in high risk individuals in countries with high or middle upper income and TB incidence of <100 per 100 000 per year. The guidelines strongly recommend systematic testing and treatment of LTBI in people living with HIV, adult and child contacts of pulmonary TB cases, patients initiating anti-tumour necrosis factor treatment, patients receiving dialysis, patients preparing for organ or haematological transplantation, and patients with silicosis. In prisoners, healthcare workers, immigrants from high TB burden countries, homeless persons and illicit drug users, systematic testing and treatment of LTBI is conditionally recommended, according to TB epidemiology and resource availability. Either commercial interferon-gamma release assays or Mantoux tuberculin skin testing could be used to test for LTBI. Chest radiography should be performed before LTBI treatment to rule out active TB disease. Recommended treatment regimens for LTBI include: 6 or 9 month isoniazid; 12 week rifapentine plus isoniazid; 3–4 month isoniazid plus rifampicin; or 3–4 month rifampicin alone.
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- Gümüş, H. G., et al.
(författare)
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Behavioral testing and litter effects in the rabbit
- 2018
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Ingår i: Behavioural Brain Research. - : Elsevier BV. - 0166-4328. ; 353, s. 236-241
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Tidskriftsartikel (refereegranskat)abstract
- Background: Behavioral testing provides an essential approach in further developing our understanding of brain structure and function. The aim of our study was to outline a more expanded approach to cognition- and anxiety-related behavior in the rabbit. Methods: Twenty-one 70-day old rabbits (13 female, 8 male) were exposed to open field test, dark-light box test and object recognition testing with variations in inter-trial-interval, olfactory recognition and object location testing. Independent T-tests were used to compare data by individual baseline characteristics, i.e. birth weight, weight at testing, sex, litter #, litter size. Results: In the open field test, median time spent in the center was 3.64 s (0.84-41.36) for the 9 rabbits who entered the center; median distance moved in the arena was 874.42 cm (54.20-3444.83). In the dark light box test, 12 rabbits entered the light compartment. In the object recognition task, rabbits spent significantly less time exploring the familiar object compared to the novel (0.40 s [0-2.8] vs. 3.17 s [1.30-32.69]; P = 0.003) when using a 30-min inter-trial interval, as well with a 90-min inter-trial interval: 0.87 s [0-7.8] vs. 7.65 s [0-37.6] (P = 0.008). However, recognition was lost when using a 24-h inter-trial interval (time spent exploring the familiar object: 3.33 [0-10.90]; novel object:3.87 [1.15-48.53]; n.s). In the object location task and in olfactory object recognition task, median discrimination indexes were 0.69 (-1 to 1) and 0.37 (-0.38 to 0.78) respectively, higher than level expected by chance (P < 0.001). Litter size >3 during the neonatal period was associated with increased explorative behavior in the dark light box test (P = 0.046) and in the visual object recognition task (P = 0.005), whereas body weight and sex were not. Conclusions: Settings and outcome measures for multiple behavioral tests, providing reference values and considerations for future developmental studies are reported. Discrimination and memory in the rabbit appear to relate to litter characteristics, although a larger sample size is needed to confirm our findings.
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- Hjelmfors, A-L, et al.
(författare)
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Patient perspectives of prognosis communication
- 2017
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Ingår i: European Journal of Cardiovascular Nursing. - : Sage Publications. - 1474-5151 .- 1873-1953. ; 16:Suppl. 1, s. S65-S66
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Tidskriftsartikel (refereegranskat)abstract
- Background: Several studies describe that patients with heart failure (HF) find it important to discuss prognosis and that they want to be informed about the expectations about the illness progression. However, little is known about their actual preferences for professional communication about prognosis.Purpose: to explore patient’s perspectives regarding communication with health care professionals about the HF prognosis.Methods: 15 patients participated in focus group interviews and a further 9 patients completed individual semi-structured interviews. The patients (75% men, 52-87 years of age) were in NYHA I-III, and were not diagnosed with any other major life threatening disease. Data was analysed using thematic analysis to identify and interpret patterns in the data.Results: One overarching theme was identified: “The tension between hoping for the best and preparing for the worst” with three sub-themes. Ignorance is bliss. Describes how patients preferred to avoid thinking about the HF prognosis because they did not want to lose hope for the future. They lived one day at the time, focusing on here and now, wanting to forget about the illness altogether. Patients also preferred to decide themselves whether they wanted to talk about the prognosis with professionals or not. Nothing but the truth. Describes how patients wanted to know the objective and absolute truth about their illness and its’ prognosis and were afraid to live under false expectations. The truth about their prognosis was that they might die because of their illness. Even though the truth may hurt, they believed that knowing the truth was necessary to live as good as possible. Good news only. Patients described that they knew that HF was a chronic illness but they were ambivalent in their approach towards discussing prognosis. They wanted to know the truth about their prognosis, but at the same time they did not want to know anything since they fear they might hear something they do not want to, as this may hurt. They only wanted to receive “good” and positive information from the professionals, since they perceived such information to be something that they can benefit from.Conclusions: This study shows that patients have different preferences for communication about prognosis and uses different approaches in order to cope living with a serious condition such as heart failure. Professionals need to respect the strategies a patient uses, and be ready to support the patient according to their needs, preferences and life situation.
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- Sandgren, M., Guafetti, P.J., Shaw, A., Day, A.G., Gross, L., Saldajeno, M., Jones,T.A. & Mitchinson, C.
(författare)
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Comparison of family 12 glucosyl hydrolases and recruitment of substitutions important for stability
- 2003
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Ingår i: Protein Science. ; 12, s. 848-860
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Tidskriftsartikel (refereegranskat)
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- Borisova, Anna, et al.
(författare)
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The method of integrated kinetics and its applicability to the exo-glycosidase-catalyzed hydrolyses of p-nitrophenyl glycosides.
- 2015
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Ingår i: Carbohydrate Research. - : Elsevier BV. - 1873-426X .- 0008-6215. ; 412, s. 43-49
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Tidskriftsartikel (refereegranskat)abstract
- In the present work we suggest an efficient method, using the whole time course of the reaction, whereby parameters kcat, Km and product KI for the hydrolysis of a p-nitrophenyl glycoside by an exo-acting glycoside hydrolase can be estimated in a single experiment. Its applicability was demonstrated for three retaining exo-glycoside hydrolases, β-xylosidase from Aspergillus awamori, β-galactosidase from Penicillium sp. and α-galactosidase from Thermotoga maritima (TmGalA). During the analysis of the reaction course catalyzed by the TmGalA enzyme we had observed that a non-enzymatic process, mutarotation of the liberated α-d-galactose, affected the reaction significantly.
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| 14. |
- Hjelmfors, A-L, et al.
(författare)
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Patient perspectives of prognosis communication
- 2017
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Ingår i: European Journal of Cardiovascular Nursing. - : Sage Publications. - 1474-5151 .- 1873-1953. ; 16, s. S65-S66
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- McNurlan, Margaret A., et al.
(författare)
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Response of protein synthesis in human skeletal muscle to insulin : an investigation with L[2H5]phenylalanine
- 1994
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Ingår i: American Journal of Physiology. - : American Physiological Society. - 0002-9513 .- 2163-5773. ; 67:Part 1, s. E102-E108
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Tidskriftsartikel (refereegranskat)abstract
- The role of insulin in the regulation of muscle protein synthesis in adult humans has been investigated with intravenous infusion of insulin at levels comparable with those observed after normal feeding. Glucose was also infused to maintain euglycemia. Muscle protein synthesis was measured in six healthy subjects before and during insulin and glucose infusion from the incorporation of L-[H-2(5)]phenylalanine into the protein of vastus lateralis sampled by percutaneous biopsy. L-[H-2(5)]phenylalanine was given as a single injection of a flooding amount (45 mg/kg). The relatively low levels of enrichment of phenylalanine in protein (0.005 atom%) were measured by modified gas chromatography-mass spectrometry and verified by comparison with incorporation of L-[2,6-H-3]phenylalanine. Similarity of enrichment in tissue-free and plasma pools (flooding) and linear incorporation over the period of measurement were also verified. The fractional rate of muscle protein synthesis in the group of postabsorptive subjects was 1.65 +/- 0.11% (SE)/day. The rate was unaltered by insulin and glucose infusion, 1.66 +/- 0.16%/day.
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- Rönnberg Wästljung, Ann-Christin, et al.
(författare)
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Optimized utilization of Salix—Perspectives for the genetic improvement toward sustainable biofuel value chains
- 2022
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Ingår i: Global Change Biology Bioenergy. - : John Wiley and Sons Inc. - 1757-1693 .- 1757-1707. ; 14:10, s. 1128-144
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Tidskriftsartikel (refereegranskat)abstract
- Bioenergy will be one of the most important renewable energy sources in the conversion from fossil fuels to bio-based products. Short rotation coppice Salix could be a key player in this conversion since Salix has rapid growth, positive energy balance, easy to manage cultivation system with vegetative propagation of plant material and multiple harvests from the same plantation. The aim of the present paper is to provide an overview of the main challenges and key issues in willow genetic improvement toward sustainable biofuel value chains. Primarily based on results from the research project “Optimized Utilization of Salix” (OPTUS), the influence of Salix wood quality on the potential for biofuel use is discussed, followed by issues related to the conversion of Salix biomass into liquid and gaseous transportation fuels. Thereafter, the studies address genotypic influence on soil carbon sequestration in Salix plantations, as well as on soil carbon dynamics and climate change impacts. Finally, the opportunities for plant breeding are discussed using willow as a resource for sustainable biofuel production. Substantial phenotypic and genotypic variation was reported for different wood quality traits important in biological (i.e., enzymatic and anaerobic) and thermochemical conversion processes, which is a prerequisite for plant breeding. Furthermore, different Salix genotypes can affect soil carbon sequestration variably, and life cycle assessment illustrates that these differences can result in different climate mitigation potential depending on genotype. Thus, the potential of Salix plantations for sustainable biomass production and its conversion into biofuels is shown. Large genetic variation in various wood and biomass traits, important for different conversion processes and carbon sequestration, provides opportunities to enhance the sustainability of the production system via plant breeding. This includes new breeding targets in addition to traditional targets for high yield to improve biomass quality and carbon sequestration potential. © 2022 The Authors.
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