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Per Jonsson

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https://www.readbyqxmd.com/read/28631533/u-can-a-prospective-longitudinal-collection-of-biomaterials-and-clinical-information-from-adult-cancer-patients-in-sweden
#1
Bengt Glimelius, Beatrice Melin, Gunilla Enblad, Irina Alafuzoff, Anna Beskow, Håkan Ahlström, Anna Bill-Axelson, Helgi Birgisson, Ove Björ, Per-Henrik Edqvist, Tony Hansson, Thomas Helleday, Per Hellman, Kerstin Henriksson, Göran Hesselager, Magnus Hultdin, Michael Häggman, Martin Höglund, Håkan Jonsson, Chatarina Larsson, Henrik Lindman, Ingrid Ljuslinder, Stephanie Mindus, Peter Nygren, Fredrik Pontén, Katrine Riklund, Richard Rosenquist, Fredrik Sandin, Jochen M Schwenk, Roger Stenling, Karin Stålberg, Peter Stålberg, Christer Sundström, Camilla Thellenberg Karlsson, Bengt Westermark, Anders Bergh, Lena Claesson-Welsh, Richard Palmqvist, Tobias Sjöblom
BACKGROUND: Progress in cancer biomarker discovery is dependent on access to high-quality biological materials and high-resolution clinical data from the same cases. To overcome current limitations, a systematic prospective longitudinal sampling of multidisciplinary clinical data, blood and tissue from cancer patients was therefore initiated in 2010 by Uppsala and Umeå Universities and involving their corresponding University Hospitals, which are referral centers for one third of the Swedish population...
June 20, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28626905/genome-architecture-enables-local-adaptation-of-atlantic-cod-despite-high-connectivity
#2
Julia M I Barth, Paul R Berg, Per R Jonsson, Sara Bonanomi, Hanna Corell, Jakob Hemmer-Hansen, Kjetill S Jakobsen, Kerstin Johannesson, Per Erik Jorde, Halvor Knutsen, Per-Olav Moksnes, Bastiaan Star, Nils Chr Stenseth, Henrik Svedäng, Sissel Jentoft, Carl André
Adaptation to local conditions is a fundamental process in evolution; however, mechanisms maintaining local adaptation despite high gene flow are still poorly understood. Marine ecosystems provide a wide array of diverse habitats that frequently promote ecological adaptation even in species characterized by strong levels of gene flow. As one example, populations of the marine fish Atlantic cod (Gadus morhua) are highly connected due to immense dispersal capabilities but nevertheless show local adaptation in several key traits...
June 19, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28576894/use-of-a-geographic-information-system-to-identify-differences-in-automated-external-defibrillator-installation-in-urban-areas-with-similar-incidence-of-public-out-of-hospital-cardiac-arrest-a-retrospective-registry-based-study
#3
David Fredman, Jan Haas, Yifang Ban, Martin Jonsson, Leif Svensson, Therese Djarv, Jacob Hollenberg, Per Nordberg, Mattias Ringh, Andreas Claesson
OBJECTIVES: Early defibrillation in out-of-hospital cardiac arrest (OHCA) is of importance to improve survival. In many countries the number of automated external defibrillators (AEDs) is increasing, but the use is low. Guidelines suggest that AEDs should be installed in densely populated areas and in locations with many visitors. Attempts have been made to identify optimal AED locations based on the incidence of OHCA using geographical information systems (GIS), but often on small datasets and the studies are seldom reproduced...
June 2, 2017: BMJ Open
https://www.readbyqxmd.com/read/28574103/a-microscopic-view-of-gaseous-microbubbles-passing-a-filter-screen
#4
Daniel Johagen, Pontus Svenmarker, Per Jonsson, Staffan Svenmarker
PURPOSE: The aim of this study was to investigate the filtration efficacy of a 38-µm 1-layer screen filter based on Doppler registrations and video recordings of gaseous microbubbles (GME) observed in a microscope. METHODS: The relative filtration efficacy (RFE) was calculated from 20 (n = 20) sequential bursts of air introduced into the Plasmodex® primed test circuit. RESULTS: The main findings indicate that the RFE decreased (p = 0.00), with increasing flow rates (100-300 mL/min) through the filter screen...
May 23, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28552512/immune-response-to-pneumococcal-conjugate-vaccine-in-patients-with-systemic-vasculitis-receiving-standard-of-care-therapy
#5
Per Nived, Johanna Nagel, Tore Saxne, Pierre Geborek, Göran Jönsson, Lillemor Skattum, Meliha C Kapetanovic
AIM: To study the effect of standard of care therapy on antibody response and functionality following immunization with 13-valent pneumococcal conjugate vaccine (PCV13) in patients with primary systemic vasculitis compared to healthy controls. METHODS: 49 patients with vasculitis and 49 controls received a single dose (0.5ml) PCV13 intramuscularly. Ongoing treatments: azathioprine (AZA; n=11), cyclophosphamide (CYC; n=6), methotrexate (MTX; n=9), rituximab (n=3); anti-TNF (n=2), mycophenolate mofetil (n=2), prednisolone alone (n=15) and no active treatment (n=2)...
June 22, 2017: Vaccine
https://www.readbyqxmd.com/read/28542715/hyperleucocytosis-in-paediatric-acute-myeloid-leukaemia-the-challenge-of-white-blood-cell-counts-above-200%C3%A2-%C3%A3-%C3%A2-10-9-l-the-nopho-experience-1984-2014
#6
Bernward Zeller, Heidi Glosli, Erik Forestier, Shau-Yin Ha, Kirsi Jahnukainen, Ólafur G Jónsson, Birgitte Lausen, Josefine Palle, Henrik Hasle, Jonas Abrahamsson
Hyperleucocytosis in paediatric acute myeloid leukaemia (AML) is associated with increased morbidity and mortality. We studied hyperleucocytosis in 890 patients with AML aged 0-18 years registered in the Nordic Society of Paediatric Haematology and Oncology (NOPHO) registry, with special focus on very high white blood cell counts (WBC >200 × 10/l). Eighty-six patients (10%) had WBC 100-199 × 10(9) /l and 57 (6%) had WBC ≥200 × 10(9) /l. Patients with WBC ≥200 × 10(9) /l had a high frequency of t(9;11) and a paucity of trisomy 8...
May 25, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28523792/the-impact-of-calcineurin-inhibitors-on-neutrophil-gelatinase-associated-lipocalin-and-fibroblast-growth-factor-23-in-long-term-kidney-transplant-patients
#7
Inger Hjørdis Bleskestad, Inga Strand Thorsen, Grete Jonsson, Øyvind Skadberg, Lasse Gunnar Gøransson
BACKGROUND: Neutrophil gelatinase-associated lipocalin (NGAL), a protein with bacteriostatic functions rapidly excreted from stimulated or damaged epithelial cells, is elevated in acute and chronic kidney disease. A calcineurin dependent signaling pathway for fibroblast growth factor 23 (FGF23) has been revealed, but the effect of calcineurin inhibitors (CNIs) on the levels of NGAL and markers of mineral metabolism in long-term kidney transplant patients has not been explored. METHODS: In a cross-sectional study, 39 patients who received a first kidney transplant more than 10 years ago were split into two groups based on whether (n=28) or not (n=11) they used CNIs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28495026/neck-related-physical-function-self-efficacy-and-coping-strategies-in-patients-with-cervical-radiculopathy-a-randomized-clinical-trial-of-postoperative-physiotherapy
#8
Johanna Wibault, Birgitta Öberg, Åsa Dedering, Håkan Löfgren, Peter Zsigmond, Liselott Persson, Maria Andell, Margareta R Jonsson, Anneli Peolsson
OBJECTIVE: The purpose of this study was to compare postoperative rehabilitation with structured physiotherapy to the standard approach in patients with cervical radiculopathy (CR) in a prospective randomized study at 6 months follow-up based on measures of neck-related physical function, self-efficacy, and coping strategies. METHODS: Patients with persistent CR and scheduled for surgery (N = 202) were randomly assigned to structured postoperative physiotherapy or a standard postoperative approach...
May 9, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28436406/questionnaire-based-evaluation-of-mobile-phone-interference-with-medical-electrical-equipment-in-swedish-hospitals
#9
Stig Wiinberg, Göran Samuelsson, Stefan Larsson, Barbro Nilsson, Patrik X Jönsson, Bodil Ivarsson, Per-Åke Olofsson
National recommendations in Sweden recommend a safety distance of 3 m between mobile phones and medical-electrical (ME) equipment in hospitals. A questionnaire was used to investigate how often mobile phones were reported to interfere with ME products in clinical practice across Sweden. The results confirmed that ME equipment can be affected by mobile phone use but, the risk of the patient's outcome being affected were minimal; no cases were identified which led to injury or death. In conclusion, the results support recommendations for a general safety distance of 0...
April 14, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28428822/in-muro-deacetylation-of-xylan-affects-lignin-properties-and-improves-saccharification-of-aspen-wood
#10
Prashant Mohan-Anupama Pawar, Marta Derba-Maceluch, Sun-Li Chong, Madhavi Latha Gandla, Shamrat Shafiul Bashar, Tobias Sparrman, Patrik Ahvenainen, Mattias Hedenström, Merve Özparpucu, Markus Rüggeberg, Ritva Serimaa, Martin Lawoko, Maija Tenkanen, Leif J Jönsson, Ewa J Mellerowicz
BACKGROUND: Lignocellulose from fast growing hardwood species is a preferred source of polysaccharides for advanced biofuels and "green" chemicals. However, the extensive acetylation of hardwood xylan hinders lignocellulose saccharification by obstructing enzymatic xylan hydrolysis and causing inhibitory acetic acid concentrations during microbial sugar fermentation. To optimize lignocellulose for cost-effective saccharification and biofuel production, an acetyl xylan esterase AnAXE1 from Aspergillus niger was introduced into aspen and targeted to cell walls...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28415793/clinical-framework-for-next-generation-sequencing-based-analysis-of-treatment-predictive-mutations-and-multiplexed-gene-fusion-detection-in-non-small-cell-lung-cancer
#11
Kajsa Ericson Lindquist, Anna Karlsson, Per Levéen, Hans Brunnström, Christel Reuterswärd, Karolina Holm, Mats Jönsson, Karin Annersten, Frida Rosengren, Karin Jirström, Jaroslaw Kosieradzki, Lars Ek, Åke Borg, Maria Planck, Göran Jönsson, Johan Staaf
Precision medicine requires accurate multi-gene clinical diagnostics. We describe the implementation of an Illumina TruSight Tumor (TST) clinical NGS diagnostic framework and parallel validation of a NanoString RNA-based ALK, RET, and ROS1 gene fusion assay for combined analysis of treatment predictive alterations in non-small cell lung cancer (NSCLC) in a regional healthcare region of Sweden (Scandinavia). The TST panel was clinically validated in 81 tumors (99% hotspot mutation concordance), after which 533 consecutive NSCLCs were collected during one-year of routine clinical analysis in the healthcare region (~90% advanced stage patients)...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28399220/associations-of-fat-and-muscle-tissue-with-cognitive-status-in-older-adults-the-ages-reykjavik-study
#12
Peggy J J Spauwen, Rachel A Murphy, Pálmi V Jónsson, Sigurdur Sigurdsson, Melissa E Garcia, Gudny Eiriksdottir, Martin P J van Boxtel, Oscar L Lopez, Vilmundur Gudnason, Tamara B Harris, Lenore J Launer
Background/Objective: studies on the association of dementia with specific body composition (BC) components are scarce. Our aim was to investigate associations of BC measures with different levels of cognitive function in late-life. Methods: we studied 5,169 participants (mean age 76 years, 42.9% men) in the AGES-Reykjavik Study of whom 485 (9.4%) were diagnosed with mild cognitive impairment (MCI) and 307 (5.9%) with dementia. Visceral fat, abdominal and thigh subcutaneous fat, and thigh muscle were assessed by computed tomography...
March 1, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28347348/targeted-sequencing-may-facilitate-differential-diagnostics-of-pulmonary-tumours-a-case-series
#13
Kajsa Ericson-Lindquist, Anna Johansson, Per Levéen, Göran Elmberger, Göran Jönsson, Johan Staaf, Hans Brunnström
BACKGROUND: Histopathological diagnosis is important for prognostication and choice of treatment in patients with cancer in the lung. Metastases to the lungs are common and need to be distinguished from primary lung cancer. Furthermore, cases with synchronous or metachronous primary lung cancers (although infrequent) are often handled differently than cases with lung cancer with intrapulmonary metastasis or relapse, respectively. In some cases, morphology and immunohistochemical staining is not sufficient for certain diagnosis...
March 27, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28336683/let-7-regulates-radial-migration-of-new-born-neurons-through-positive-regulation-of-autophagy
#14
Rebecca Petri, Karolina Pircs, Marie E Jönsson, Malin Åkerblom, Per Ludvik Brattås, Thies Klussendorf, Johan Jakobsson
During adult neurogenesis, newly formed olfactory bulb (OB) interneurons migrate radially to integrate into specific layers of the OB Despite the importance of this process, the intracellular mechanisms that regulate radial migration remain poorly understood. Here, we find that microRNA (miRNA) let-7 regulates radial migration by modulating autophagy in new-born neurons. Using Argonaute2 immunoprecipitation, we performed global profiling of miRNAs in adult-born OB neurons and identified let-7 as a highly abundant miRNA family...
May 15, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28336482/surgical-treatment-of-lumbar-disc-herniation-in-different-ages-evaluation-of-11-237-patients
#15
Fredrik Strömqvist, Björn Strömqvist, Bo Jönsson, Magnus K Karlsson
BACKGROUND CONTEXT: Surgical treatment of lumbar disc herniation (LDH) may lead to different outcome in young, middle aged and elderly. However, no study has by the same data ascertainment evaluated referral pattern, improvement and outcome in different age strata. PURPOSE: To evaluate referral pattern and outcome in patients surgically treated due to LDH in different ages. STUDY DESIGN: Register study of prospectively collected data. PATIENT SAMPLE: In SweSpine, the national Swedish register for spinal surgery, we identified 11...
March 20, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28331601/methods-to-identify-the-prey-of-invertebrate-predators-in-terrestrial-field-studies
#16
REVIEW
Klaus Birkhofer, Helena Bylund, Peter Dalin, Olga Ferlian, Vesna Gagic, Peter A Hambäck, Maartje Klapwijk, Laia Mestre, Eve Roubinet, Martin Schroeder, Johan A Stenberg, Mario Porcel, Christer Björkman, Mattias Jonsson
Predation is an interaction during which an organism kills and feeds on another organism. Past and current interest in studying predation in terrestrial habitats has yielded a number of methods to assess invertebrate predation events in terrestrial ecosystems. We provide a decision tree to select appropriate methods for individual studies. For each method, we then present a short introduction, key examples for applications, advantages and disadvantages, and an outlook to future refinements. Video and, to a lesser extent, live observations are recommended in studies that address behavioral aspects of predator-prey interactions or focus on per capita predation rates...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28292877/the-effects-of-dual-ppar%C3%AE-%C3%AE-agonism-compared-with-ace-inhibition-in-the-btbrob-ob-mouse-model-of-diabetes-and-diabetic-nephropathy
#17
Anette Ericsson, Pernilla Tonelius, Mark Lal, Alan Sabirsh, Gerhard Böttcher, Lena William-Olsson, Maria Strömstedt, Camilla Johansson, Gina Hyberg, Sofia Tapani, Ann-Cathrine Jönsson-Rylander, Robert Unwin
The leptin-deficient BTBRob/ob mouse develops progressive albuminuria and morphological lesions similar to human diabetic nephropathy (DN), although whether glomerular hyperfiltration, a recognized feature of early DN that may contribute to renal injury, also occurs in this model is not known. Leptin replacement has been shown to reverse the signs of renal injury in this model, but in contrast, the expected renoprotection by angiotensin-converting enzyme (ACE) inhibition in BTBRob/ob mice seems to be limited...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28265831/gamtest-psychometric-evaluation-and-the-role-of-emotions-in-an-online-self-test-for-gambling-behavior
#18
Jakob Jonsson, Ingrid Munck, Rachel Volberg, Per Carlbring
Recent increases in the number of online gambling sites have made gambling more available, which may contribute to an increase in gambling problems. At the same time, online gambling provides opportunities to introduce measures intended to prevent problem gambling. GamTest is an online test of gambling behavior that provides information that can be used to give players individualized feedback and recommendations for action. The aim of this study is to explore the dimensionality of GamTest and validate it against the Problem Gambling Severity Index (PGSI) and the gambler's own perceived problems...
June 2017: Journal of Gambling Studies
https://www.readbyqxmd.com/read/28258828/dna-thioguanine-nucleotide-concentration-and-relapse-free-survival-during-maintenance-therapy-of-childhood-acute-lymphoblastic-leukaemia-nopho-all2008-a-prospective-substudy-of-a-phase-3-trial
#19
MULTICENTER STUDY
Stine Nygaard Nielsen, Kathrine Grell, Jacob Nersting, Jonas Abrahamsson, Bendik Lund, Jukka Kanerva, Ólafur Gísli Jónsson, Goda Vaitkeviciene, Kaie Pruunsild, Lisa Lyngsie Hjalgrim, Kjeld Schmiegelow
BACKGROUND: Adjustment of mercaptopurine and methotrexate maintenance therapy of acute lymphoblastic leukaemia by leucocyte count is confounded by natural variations. Cytotoxicity is primarily mediated by DNA-incorporated thioguanine nucleotides (DNA-TGN). The aim of this study was to establish whether DNA-TGN concentrations in blood leucocytes during maintenance therapy are associated with relapse-free survival. METHODS: In this substudy of the NOPHO ALL2008 phase 3 trial done in 23 hospitals in seven European countries (Denmark, Estonia, Finland, Iceland, Lithuania, Norway, and Sweden), we analysed data from centralised and blinded analyses of 6-mercaptopurine and methotrexate metabolites in blood samples from patients with non-high-risk childhood acute lymphoblastic leukaemia...
April 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28241856/erratum-to-the-societal-costs-of-dementia-in-sweden-2012-relevance-and-methodological-challenges-in-valuing-informal-care
#20
Anders Wimo, Linus Jönsson, Laura Fratiglioni, Per Olof Sandman, Anders Gustavsson, Anders Sköldunger, John Lennarth Johansson
No abstract text is available yet for this article.
February 27, 2017: Alzheimer's Research & Therapy
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