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https://www.readbyqxmd.com/read/28101752/the-impact-of-hydrocortisone-treatment-on-neutrophil-gelatinase-associated-lipocalin-release-in-porcine-endotoxemic-shock
#1
E Söderberg, M Eriksson, A Larsson, M Lipcsey
BACKGROUND: A key feature of sepsis is systemic inflammatory activation that could be counteracted by steroids. In this experimental model of systemic inflammation, we sought to investigate whether septic neutrophil activation, evaluated by the plasma levels of neutrophil gelatinase-associated protein (NGAL), is modulated by the timing of hydrocortisone treatment. METHODS: Sixteen anesthetized pigs were allocated to one of four equally sized groups. Three of these groups received endotoxin at 2 μg × kg(-1) × h(-1) for 6 h so as to induce endotoxemic shock...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28098957/the-risk-factors-for-postpartum-depression-a-population-based-study
#2
Michael E Silverman, Abraham Reichenberg, David A Savitz, Sven Cnattingius, Paul Lichtenstein, Christina M Hultman, Henrik Larsson, Sven Sandin
BACKGROUND: Postpartum depression (PPD) can result in negative personal and child developmental outcomes. Only a few large population-based studies of PPD have used clinical diagnoses of depression and no study has examined how a maternal depression history interacts with known risk factors. The objective of this study was to examine the impact of a depression history on PPD and pre- and perinatal risk factors. METHODS: A nationwide prospective cohort study of all women with live singleton births in Sweden from 1997 through 2008 was conducted...
January 18, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28098724/central-macular-thickness-in-6-5-year-old-children-born-extremely-preterm-is-strongly-associated-with-gestational-age-even-when-adjusted-for-risk-factors
#3
Anna E C Molnar, Rebecka M Rosén, Maria Nilsson, Eva K B Larsson, Gerd E Holmström, Kerstin M Hellgren
PURPOSE: To assess the macular thickness in 6.5-year-old children born extremely preterm (EPT) in comparison with children born at term and to investigate risk factors associated with the macular thickness in the preterm group. METHODS: A population-based study of 6.5-year-old children born before the gestational age of 27 weeks and age-matched control subjects. Macular assessments with optical coherence tomography were performed, and the results were compared with neonatal risk factors and sex...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28095115/working-conditions-and-workplace-health-and-safety-promotion-in-home-care-a-mixed-method-study-from-swedish-managers%C3%A2-perspectives
#4
Gunvor Gard, Agneta Larsson
Today, we can see a trend towards increased psychosocial strain at work among home care managers and staff. The aim of this study is to describe home care managers' views on their own psychosocial working conditions and on how to promote workplace health and safety in a municipality in northern Sweden. A mixed methods design was used, including questionnaire and qualitative focus group data. The qualitative data were analysed by manifest content analysis. The results indicate that most managers perceived increased variety in work and opportunities for development at work, but at the same time increased demands...
January 17, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/28094012/mammalian-mitochondria-and-aging-an-update
#5
REVIEW
Timo E S Kauppila, Johanna H K Kauppila, Nils-Göran Larsson
Mitochondria were first postulated to contribute to aging more than 40 years ago. During the following decades, multiple lines of evidence in model organisms and humans showed that impaired mitochondrial function can contribute to age-associated disease phenotypes and aging. However, in contrast to the original theory favoring oxidative damage as a cause for mtDNA mutations, there are now strong data arguing that most mammalian mtDNA mutations originate as replication errors made by the mtDNA polymerase. Currently, a substantial amount of mitochondrial research is focused on finding ways to either remove or counteract the effects of mtDNA mutations with the hope of extending the human health- and lifespan...
January 10, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28093454/mdm-proteins-critical-regulators-of-embry-ogenesis-and-homeostasis
#6
REVIEW
Sydney M Moyer, Connie A Larsson, Guillermina Lozano
Mdm2 and Mdm4 are negative regulators of the tumor suppressor p53; hence, this relationship is the focus of many cancer related studies. A multitude of experiments across various developmental stages have been conducted to explore the tissue-specific roles of these proteins in the mouse. When Mdm2 or Mdm4 are deleted in the germline or specific tissues, they display different phenotypic defects, some of which lead to embryonic lethality. Mdm2 loss is often more deleterious than loss of its homolog Mdm4 All tissues experience activation of p53 target genes upon loss of Mdm2 or Mdm4; however, the degree to which the p53 pathway is perturbed is highly tissue-specific and does not correlate to the severity of the morphological phenotypes...
January 15, 2017: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/28087823/prognosis-of-carotid-dissecting-aneurysms-results-from-cadiss-and-a-systematic-review
#7
Susanna C Larsson, Alice King, Jeremy Madigan, Christopher Levi, John W Norris, Hugh S Markus
OBJECTIVE: To determine the natural history of dissecting aneurysm (DA) and whether DA is associated with an increased recurrent stroke risk and whether type of antithrombotic drugs (antiplatelets vs anticoagulants) modifies the persistence or development of DA. METHODS: We included 264 patients with extracranial cervical artery dissection (CAD) from the Cervical Artery Dissection in Stroke Study (CADISS), a multicenter prospective study that compared antiplatelet with anticoagulation therapy...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28087409/thioredoxin-a-novel-biomarker-of-post-injury-sepsis
#8
Jesper Eriksson, Andreas Gidlöf, Mikael Eriksson, Emma Larsson, Olof Brattström, Anders Oldner
BACKGROUND: Thioredoxin (TRX), an endogenous anti-oxidant protein induced in inflammatory conditions, has been shown to increase in plasma and to be associated with outcome in septic patients. This biomarker has never been studied in a trauma setting. We hypothesized that TRX would be increased after trauma and associated with post-injury sepsis. METHODS: Single-centre prospective observational study conducted at the intensive care unit (ICU) at the Karolinska University Hospital, Stockholm, Sweden, a level-1 trauma centre...
January 10, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28081009/influence-of-wall-thickness-and-diameter-on-arterial-shear-wave-elastography-a-phantom-and-finite-element-study
#9
Elira Maksuti, Fabiano Bini, Stefano Fiorentini, Giulia Blasi, Matthew Urban, Franco Marinozzi, Matilda Larsson
Quantitative, non-invasive and local measurements of arterial mechanical properties could be highly beneficial for early diagnosis of cardiovascular disease and follow up of treatment. Arterial Shear Wave Elastography (SWE) and wave velocity dispersion analysis have previously been applied to measure arterial stiffness. Arterial wall thickness (h) and inner diameter (D) vary with age and pathology and may influence the shear wave propagation. Nevertheless, the effect of arterial geometry in SWE has not yet been systematically investigated...
January 12, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28073588/overexpression-of-cytochrome-p450-2a6-in-adrenocortical-carcinoma
#10
Timothy D Murtha, Taylor C Brown, Jill C Rubinstein, Felix Haglund, C Christofer Juhlin, Catharina Larsson, Reju Korah, Tobias Carling
BACKGROUND: Cytochrome P450-mediated metabolism of chemotherapeutic agents contributes to chemotherapy resistance in multiple malignancies. Adrenocortical carcinoma is known to have a poor response to adjuvant therapies; however, the mechanism remains unknown. Recent comprehensive genetic analyses of adrenocortical carcinomas demonstrated recurrent copy number gains in multiple cytochrome P450 genes prompting investigation into whether cytochrome P450 overexpression potentiates adrenocortical carcinoma chemoresistance...
January 7, 2017: Surgery
https://www.readbyqxmd.com/read/28070638/red-and-processed-meat-consumption-and-risk-of-bladder-cancer-a-dose-response-meta-analysis-of-epidemiological-studies
#11
Alessio Crippa, Susanna C Larsson, Andrea Discacciati, Alicja Wolk, Nicola Orsini
BACKGROUND/OBJECTIVES: Several epidemiological studies have analyzed the associations between red and processed meat and bladder cancer risk but the shape and strength of the associations are still unclear. Therefore, we conducted a dose-response meta-analysis to quantify the potential association between red and processed meat and bladder cancer risk. METHODS: Relevant studies were identified by searching the PubMed database through January 2016 and reviewing the reference lists of the retrieved articles...
December 22, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/28057563/uric-acid-and-endothelial-function-in-elderly-community-dwelling-subjects
#12
Andrea Ticinesi, Fulvio Lauretani, Gian Paolo Ceda, Carmelinda Ruggiero, Luigi Ferrucci, Rosalia Aloe, Anders Larsson, Tommy Cederholm, Lars Lind, Tiziana Meschi, Marcello Maggio
The role of serum uric acid (SUA), an inflammatory agent and potential mediator of cardiovascular diseases, in Endothelial Function (EF) has been tested only in middle-aged subjects affected by specific diseases. Our aim was to assess the relationship between SUA and measures of EF in a cohort of elderly community-dwellers. This study involved 424 males and 426 females aged 70years from the Prospective Study of the Vasculature in Uppsala Seniors (PIVUS), having complete data on SUA and EF assessed by flow-mediated vasodilation (FMD) and by intra-arterial infusion of acetylcholine (endothelium-dependent vasodilation, EDV) and sodium nitroprusside (endothelium-independent vasodilation, EIDV)...
January 2, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28056659/olfactory-functions-in-adults-with-autism-spectrum-disorders
#13
Rebecka N Addo, Stefan Wiens, Marie Nord, Maria Larsson
Autism spectrum disorders (ASD) are often characterized by atypical sensory behavior (hyper- or hyporeactivity) although evidence is scarce regarding olfactory abilities in ASD; 16 adults with high-functioning ASD (mean age: 38.2, SD: 9.7) and 14 healthy control subjects (mean age: 42.0 years, SD: 12.5) were assessed in odor threshold, free and cued odor identification, and perceived pleasantness, intensity, and edibility of everyday odors. Although results showed no differences between groups, the Bayes Factors (close to 1) suggested that the evidence for no group differences on the threshold and identification tests was inconclusive...
January 1, 2017: Perception
https://www.readbyqxmd.com/read/28044435/expanding-the-cerebrospinal-fluid-endopeptidome
#14
Karl T Hansson, Tobias Skillbäck, Elin Pernevik, Silke Kern, Erik Portelius, Kina Höglund, Gunnar Brinkmalm, Jessica Holmén-Larsson, Kaj Blennow, Henrik Zetterberg, Johan Gobom
Biomarkers of neurodegenerative disorders are needed to assist in diagnosis, to monitor disease progression and therapeutic interventions, and to provide insight into disease mechanisms. One route to identify such biomarkers is by proteomic and peptidomic analysis of cerebrospinal fluid (CSF). In the current study, we performed an in-depth analysis of the human CSF endopeptidome to establish an inventory that may serve as a basis for future targeted biomarker studies. High-pH reversed-phase HPLC was employed for off-line sample prefractionation followed by low-pH nano-LC-MS analysis...
January 3, 2017: Proteomics
https://www.readbyqxmd.com/read/28044334/monitoring-the-anaesthetist-in-the-operating-theatre-professional-competence-and-patient-safety
#15
REVIEW
J Larsson
This article about competence and patient safety in anaesthesia was inspired by a statement in the 2015 AAGBI guidelines on monitoring during anaesthesia: 'the presence of an appropriately trained and experienced anaesthetist is important for patient safety during anaesthesia'. The review starts with a structured description of competence, presenting five dimensions of it; the first two dimensions are identical with the two classical attributes of competence, practical skills and theoretical knowledge. Concerning skills, the value of aiming for a high level of proficiency early in a traning programme is pointed out, and deliberate practice is given as an example of a pedagogical model where aiming for excellence is a core idea...
January 2017: Anaesthesia
https://www.readbyqxmd.com/read/28043668/contrasting-association-between-alcohol-consumption-and-risk-of-myocardial-infarction-and-heart-failure-two-prospective-cohorts
#16
Susanna C Larsson, Alice Wallin, Alicja Wolk
BACKGROUND: The potential cardioprotective effect of light-to-moderate alcohol consumption is disputed, and the association between heavy drinking and heart failure (HF) risk is unclear. We examined the association between alcohol consumption and risk of myocardial infarction (MI) and HF in two prospective cohorts. METHODS: We analyzed data from the Cohort of Swedish Men (40,590 men) and the Swedish Mammography Cohort (34,022 women). Participants were free of ischemic heart disease and HF at baseline...
December 28, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28043593/new-approaches-in-drug-treatment-for-tuberculosis-inhalation-using-liposomes-only-a-future-vision-or-soon-in-clinical-practice
#17
Lars-Olof Larsson
A major change of therapy in respiratory medicine has been the transition from oral or parenteral to inhalation therapy, for example, in asthma. Inhalation of anti-infectious drugs has however not a key-role in the treatment of pulmonary infections such as tuberculosis (TB). The inhalation therapy provides several benefits; the target is reached directly with evasion of first-pass metabolism, thereby resulting in reduced systemic side effects. Furthermore, the drug is delivered to an extensive surface area that is rich in lymphoid tissue...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28038943/design-synthesis-and-in-vitro-biological-evaluation-of-oligopeptides-targeting-e-coli-type-i-signal-peptidase-lepb
#18
Maria De Rosa, Lu Lu, Edouard Zamaratski, Natalia Szałaj, Sha Cao, Henrik Wadensten, Lena Lenhammar, Johan Gising, Annette K Roos, Douglas L Huseby, Rolf Larsson, Per E Andrén, Diarmaid Hughes, Peter Brandt, Sherry L Mowbray, Anders Karlén
Type I signal peptidases are potential targets for the development of new antibacterial agents. Here we report finding potent inhibitors of E. coli type I signal peptidase (LepB), by optimizing a previously reported hit compound, decanoyl-PTANA-CHO, through modifications at the N- and C-termini. Good improvements of inhibitory potency were obtained, with IC50s in the low nanomolar range. The best inhibitors also showed good antimicrobial activity, with MICs in the low μg/mL range for several bacterial species...
December 7, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28030441/does-permissive-hypoxaemia-during-extracorporeal-membrane-oxygenation-cause-long-term-neurological-impairment-a-study-in-patients-with-h1n1-induced-severe-respiratory-failure
#19
Bernhard Holzgraefe, Christin Andersson, Håkan Kalzén, Viktor von Bahr, Mikael Mosskin, Elna-Marie Larsson, Kenneth Palmér, Björn Frenckner, Anders Larsson
BACKGROUND: The Extracorporeal Life Support Organisation accepts permissive hypoxaemia in adult patients during extracorporeal membrane oxygenation (ECMO). The neurological long-term outcome of this approach has not yet been studied. OBJECTIVES: We investigated the prevalence of brain lesions and cognitive dysfunction in survivors from the Influenza A/H1N1 2009 pandemic treated with permissive hypoxaemia during ECMO for severe acute respiratory distress syndrome (ARDS)...
February 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28028075/an-increased-diagnostic-sensitivity-of-truncated-gad65-autoantibodies-in-type-1-diabetes-may-be-related-to-hla-dq8
#20
Axel Wester, Hanna Skärstrand, Alexander Lind, Anita Ramelius, Annelie Carlsson, Elisabeth Cedervall, Björn Jönsson, Sten A Ivarsson, Helena Elding Larsson, Karin Larsson, Bengt Lindberg, Jan Neiderud, Malin Fex, Carina Törn, Åke Lernmark
N-terminally truncated (96-585) GAD65 (tGAD65) autoantibodies may better delineate type 1 diabetes than full-length GAD65 (fGAD65) autoantibodies. We aimed to compare the diagnostic sensitivity and specificity between fGAD65 and tGAD65 autoantibodies for type 1 diabetes in relation to HLA-DQ. Sera from newly diagnosed type 1 diabetes children and adolescents (n=654) and healthy controls (n=605) were analyzed in radiobinding assays for fGAD65 (fGADA), tGAD65 (tGADA) and commercial (125)I-GAD65 (RSRGADA) autoantibodies...
December 27, 2016: Diabetes
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