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https://www.readbyqxmd.com/read/29163206/hepatocyte-ploidy-is-a-diversity-factor-for-liver-homeostasis
#1
Clemens Kreutz, Sabine MacNelly, Marie Follo, Astrid Wäldin, Petra Binninger-Lacour, Jens Timmer, María M Bartolomé-Rodríguez
Polyploidy, the existence of cells containing more than one pair of chromosomes, is a well-known feature of mammalian hepatocytes. Polyploid hepatocytes are found either as cells with a single polyploid nucleus or as multinucleated cells with diploid or even polyploid nuclei. In this study, we evaluate the degree of polyploidy in the murine liver by accounting both DNA content and number of nuclei per cell. We demonstrate that mouse hepatocytes with diploid nuclei have distinct metabolic characteristics compared to cells with polyploid nuclei...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29162310/therapeutic-mechanisms-of-glucocorticoids
#2
REVIEW
Jolien Vandewalle, Astrid Luypaert, Karolien De Bosscher, Claude Libert
Glucocorticoids (GCs) have been used clinically for decades as potent anti-inflammatory and immunosuppressive agents. Nevertheless, their use is severely hampered by the risk of developing side effects and the occurrence of glucocorticoid resistance (GCR). Therefore, efforts to understand the complex mechanisms underlying GC function and GCR are ongoing. The goal is to generate new glucocorticoid receptor (GR) ligands that can dissociate anti-inflammatory from metabolic side effects and/or overcome GCR. In this review paper we discuss recent insights into GR-mediated actions in GCR and novel therapeutic strategies for acute and chronic inflammatory diseases...
November 18, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/29162151/are-identities-oral-understanding-ethnobotanical-knowledge-after-irish-independence-1937-1939
#3
Fiona Shannon, Astrid Sasse, Helen Sheridan, Michael Heinrich
BACKGROUND: The Schools' Folklore Scheme (1937-1939) was implemented at a pivotal time in Irelands' political history. It resulted in a body of ethnological information that is unique in terms of when, why and how it was collected. This material consists of over 700,000 pages of information, including ethnomedicinal and ethnobotanical traditions, reflecting an oral identity that spans generations and that in many cases was not documented in writing until the 1930s. The intention of this study is to highlight the importance of the Schools' Folklore Scheme and to demonstrate an ethnographic approach based on recollections of original participants of the scheme, to further understand the material in the collection and the impact it had on the participants...
November 21, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/29159589/the-effect-of-mindfulness-based-stress-reduction-on-wound-healing-a-preliminary-study
#4
Astrid Meesters, Yvo M C In den Bosch-Meevissen, Chantal A H Weijzen, Wim A Buurman, Mario Losen, Jan Schepers, Monique R T M Thissen, Hugo J E M Alberts, Casper G Schalkwijk, Madelon L Peters
Psychological factors have been shown to influence the process of wound healing. This study examined the effect of Mindfulness-Based Stress Reduction (MBSR) on the speed of wound healing. The local production of pro-inflammatory cytokines and growth factors was studied as potential underlying mechanism. Forty-nine adults were randomly allocated to a waiting-list control group (n = 26) or an 8-week MBSR group (n = 23). Pre- and post-intervention/waiting period assessment for both groups consisted of questionnaires...
November 20, 2017: Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/29158739/human-admc-derived-adipocyte-thermogenic-capacity-is-regulated-by-il-4-receptor
#5
Fernando Lizcano, Diana Vargas, Ángela Gómez, Astrid Torrado
Type two innate immune system is anti-inflammatory and may play an important role as the means whereby "browning" is induced in subcutaneous adipocytes. It was shown that IL-4 may influence the fate of adipose cell precursors by promoting differentiation towards more thermogenic adipocytes in mice. Here, we investigated the influence of IL-4 and IL-4 receptor, a type two immune cytokine pathway, on the metabolic activity and thermogenic potential of human adipocytes differentiated from adipose-derived mesenchymal stem cells (ADMSCs) obtained from subcutaneous samples of healthy women undergoing abdominoplasty...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29158668/reversal-of-cognitive-impairment-in-a-hypotensive-elderly-population-using-a-passive-exercise-intervention
#6
Kenneth J McLeod, Astrid Stromhaug
Background: Cognitive decline in the elderly is strongly associated with cerebral hypoperfusion, a condition that can be reversed with exercise. Adhering to a traditional exercise regimen, however, is challenging for this population. Objective: In a pilot clinical study, we evaluated the ability of a "passive" exercise regimen (noninvasive calf muscle pump stimulation) to normalize blood pressure in a chronically hypotensive elderly population and enhance cognitive function...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29158192/combination-of-gene-expression-signature-and-model-for-end-stage-liver-disease-score-predicts-survival-of-patients-with-severe-alcoholic-hepatitis
#7
Eric Trépo, Nicolas Goossens, Naoto Fujiwara, Won-Min Song, Antonio Colaprico, Astrid Marot, Laurent Spahr, Pieter Demetter, Christine Sempoux, Gene Y Im, Joan Saldarriaga, Thierry Gustot, Jacques Devière, Swan N Thung, Charlotte Minsart, Thomas Sersté, Gianluca Bontempi, Karim Abdelrahman, Jean Henrion, Delphine Degré, Valerio Lucidi, Laura Rubbia-Brandt, Venugopalan D Nair, Christophe Moreno, Pierre Deltenre, Yujin Hoshida, Denis Franchimont
BACKGROUND & AIMS: Patients with severe alcoholic hepatitis (AH) have a high risk of death within 90 days. Corticosteroids, which can cause severe adverse events, are the only treatment that increases short-term survival. It is a challenge to predict outcomes of patients with severe AH. Therefore, we developed a scoring system to predict patient survival, integrating baseline molecular and clinical variables. METHODS: We obtained fixed liver biopsy samples from 71 consecutive patients diagnosed with severe AH and treated with corticosteroids from July 2006 through December 2013 in Brussels, Belgium (derivation cohort)...
November 17, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29155950/ensembl-2018
#8
Daniel R Zerbino, Premanand Achuthan, Wasiu Akanni, M Ridwan Amode, Daniel Barrell, Jyothish Bhai, Konstantinos Billis, Carla Cummins, Astrid Gall, Carlos García Girón, Laurent Gil, Leo Gordon, Leanne Haggerty, Erin Haskell, Thibaut Hourlier, Osagie G Izuogu, Sophie H Janacek, Thomas Juettemann, Jimmy Kiang To, Matthew R Laird, Ilias Lavidas, Zhicheng Liu, Jane E Loveland, Thomas Maurel, William McLaren, Benjamin Moore, Jonathan Mudge, Daniel N Murphy, Victoria Newman, Michael Nuhn, Denye Ogeh, Chuang Kee Ong, Anne Parker, Mateus Patricio, Harpreet Singh Riat, Helen Schuilenburg, Dan Sheppard, Helen Sparrow, Kieron Taylor, Anja Thormann, Alessandro Vullo, Brandon Walts, Amonida Zadissa, Adam Frankish, Sarah E Hunt, Myrto Kostadima, Nicholas Langridge, Fergal J Martin, Matthieu Muffato, Emily Perry, Magali Ruffier, Dan M Staines, Stephen J Trevanion, Bronwen L Aken, Fiona Cunningham, Andrew Yates, Paul Flicek
The Ensembl project has been aggregating, processing, integrating and redistributing genomic datasets since the initial releases of the draft human genome, with the aim of accelerating genomics research through rapid open distribution of public data. Large amounts of raw data are thus transformed into knowledge, which is made available via a multitude of channels, in particular our browser (http://www.ensembl.org). Over time, we have expanded in multiple directions. First, our resources describe multiple fields of genomics, in particular gene annotation, comparative genomics, genetics and epigenomics...
November 16, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29154869/evaluating-different-dna-binding-domains-to-modulate-l1-orf2p-driven-site-specific-retrotransposition-events-in-human-cells
#9
Catherine M Ade, Rebecca S Derbes, Bradley J Wagstaff, Sara B Linker, Travis B White, Dawn Deharo, Victoria P Belancio, Zoltán Ivics, Astrid M Roy-Engel
DNA binding domains (DBDs) have been used with great success to impart targeting capabilities to a variety of proteins creating highly useful genomic tools. We evaluated the ability of five types of DBDs and strategies (AAV Rep proteins, Cre, TAL effectors, zinc finger proteins, and Cas9/gRNA system) to target the L1 ORF2 protein to drive retrotransposition of Alu inserts to specific sequences in the human genome. First, we find that the L1 ORF2 protein tolerates the addition of protein domains both at the amino- and carboxy-terminus...
November 14, 2017: Gene
https://www.readbyqxmd.com/read/29154718/pesticide-residues-in-food-attitudes-beliefs-and-misconceptions-among-conventional-and-organic-consumers
#10
Severine Koch, Astrid Epp, Mark Lohmann, Gaby-Fleur Böl
Pesticide use and pesticide residues in foods have been the subject of controversial public discussions and media coverage in Germany. Against this background, a better understanding of public risk perceptions is needed to promote efficient public health communication. To this end, this study captures the German public's perception of pesticide residues in foods. A representative sample of the population aged 14 years and older (n = 1,004) was surveyed via computer-assisted telephone interviewing on their attitudes and knowledge with regard to pesticide residues...
November 20, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29151168/strengthening-validity-in-studies-of-pelvic-floor-disorders-through-qualitative-research-an-example-from-ethiopia
#11
Astrid Blystad, Guri Rortveit, Janne Lillelid Gjerde, Mulu Muleta, Karen Marie Moland
INTRODUCTION AND HYPOTHESIS: This formative qualitative follow-up study addresses validity concerns in the Dabat Incontinence and Prolapse (DABINCOP) study, which aimed to determine the prevalence of pelvic floor disorders in north-west Ethiopia. A pilot study using a questionnaire validated by pelvic exam showed severe underreporting of clinically relevant pelvic organ prolapse (POP). The objective of the follow-up study was to explore the reasons behind the underreporting and to gather information to strengthen the sensitivity and local relevance of the questionnaire to be employed in the main study...
November 18, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/29150726/tspo-imaging-using-the-novel-pet-ligand-18-f-ge-180-quantification-approaches-in-patients-with-multiple-sclerosis
#12
Lena Vomacka, Nathalie Lisa Albert, Simon Lindner, Marcus Unterrainer, Christoph Mahler, Matthias Brendel, Larissa Ermoschkin, Astrid Gosewisch, Anika Brunegraf, Christopher Buckley, Tania Kümpfel, Rainer Rupprecht, Sibylle Ziegler, Martin Kerschensteiner, Peter Bartenstein, Guido Böning
BACKGROUND: PET ligands targeting the translocator protein (TSPO) represent promising tools to visualise neuroinflammation. Here, we analysed parameters obtained in dynamic and static PET images using the novel TSPO ligand [(18)F]GE-180 in patients with relapsing remitting multiple sclerosis (RRMS) and an approach for semi-quantitative assessment of this disease in clinical routine. Seventeen dynamic [(18)F]GE-180 PET scans of RRMS patients were evaluated (90 min). A pseudo-reference region (PRR) was defined after identification of the least disease-affected brain area by voxel-based comparison with six healthy controls (HC) and upon exclusion of voxels suspected of being affected in static 60-90 min p...
October 26, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/29150418/immune-enhancing-formulas-for-patients-with-cancer-undergoing-esophagectomy-systematic-review-protocol
#13
Astrid Naranjo, Elizabeth Isenring, Laisa Teleni
BACKGROUND: Adult patients with an esophageal cancer can potentially be compromised with postoperative leaks or fistulae if patients' nutritional status is in a vulnerable stage. Currently in Australia, there is a growing need for clinicians to know whether use of immune-enhancing formulas (IEFs) containing Arg, omega-3, and RNA are a cost-effective approach compared with isonitrogenous-isocaloric formulas to reduce postoperative infectious complications in esophagectomy patients. Since IEFs may carry higher costs, this has led to inconsistencies in practice among clinicians and hospitals...
November 17, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29150279/resolution-of-recurrent-tonsillitis-in-a-non-smoker-who-became-a-vaper-a-case-study-and-new-hypothesis
#14
Joanna Astrid Miler, Peter Hajek
BACKGROUND: Evidence concerning the impact of vaping on respiratory infections remains contradictory. Cell and animal studies suggested that vaping may increase vulnerability to respiratory infections, but human data do not confirm this concern. CASE PRESENTATION: We present a case of a never-smoker who became a vaper and after a few months of e-cigarette use experienced a complete resolution of chronic tonsillitis and a marked improvement in tonsilloliths. CONCLUSIONS: As this is a never-smoker, the improvements cannot be attributed to smoking cessation...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150146/annual-trends-in-follow-up-visits-for-pediatric-concussion-in-emergency-departments-and-physicians-offices
#15
Liraz Fridman, Michal Scolnik, Alison Macpherson, Linda Rothman, Astrid Guttmann, Anne M Grool, Daniel Rodriguez Duque, Roger L Zemek
OBJECTIVE: To assess whether children and youth with concussion receive follow-up visits in accordance with the recommended guidelines. STUDY DESIGN: We conducted a retrospective, population-based study using linked health administrative data from all concussion-related visits to emergency department and physician offices by children aged 5 through 18 years (range, 5.00-18.99) in Ontario between 2003 and 2013. We analyzed the percentage of children and youth seen for follow-up...
November 14, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29149149/decreased-regional-grey-matter-volume-in-women-with-chronic-whiplash-associated-disorders-relationships-with-cognitive-deficits-and-disturbed-pain-processing
#16
Iris Coppieters, Robby De Pauw, Karen Caeyenberghs, Lieven Danneels, Jeroen Kregel, Astrid Pattyn, Mira Meeus, Barbara Cagnie
BACKGROUND: Patients with chronic whiplash-associated disorders (CWAD) are characterized by pain of traumatic origin, cognitive deficits, and central sensitization (CS). Previous neuroimaging studies revealed altered grey matter volume (GMV) in mild traumatic brain injury patients and chronic pain conditions also characterized by CS. It can therefore be hypothesized that GMV alterations also play a role in the persistent complaints of CWAD. However, brain alterations remain poorly investigated in these patients...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29148612/mat-like-telangiectasias
#17
Astrid Schirra, Knut Schäkel
No abstract text is available yet for this article.
November 17, 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29148407/minor-salivary-gland-fibrosis-in-sj%C3%A3-gren-s-syndrome-is-elevated-associated-with-focus-score-and-not-solely-a-consequence-of-aging
#18
Kerry M Leehan, Nathan P Pezant, Astrid Rasmussen, Kiely Grundahl, Jacen S Moore, Lida Radfar, David M Lewis, Donald U Stone, Christopher J Lessard, Nelson L Rhodus, Barbara M Segal, R Hal Scofield, Kathy L Sivils, Courtney Montgomery, A Darise Farris
OBJECTIVES: Evaluate the presence of minor salivary gland (SG) fibrosis in primary Sjögren's syndrome (pSS) as a function of disease pathology or a consequence of ageing. METHODS: Subjects with sicca symptoms attending a Sjögren's research clinic were classified by American European Consensus Group (AECG) criteria as either pSS or non-SS (nSS). Discovery (n=34 pSS, n=28 nSS) and replication (n=35 pSS, n=31 nSS) datasets were evaluated. Minor SG cross-sections from haematoxylin and eosin stained slides were imaged, digitally reconstructed and analysed for percent area fibrosis...
October 23, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29146294/distinct-effects-of-interleukin-6-classic-and-trans-signaling-in-bone-fracture-healing
#19
Katja Prystaz, Kathrin Kaiser, Anna Kovtun, Melanie Haffner-Luntzer, Verena Fischer, Anna E Rapp, Astrid Liedert, Gudrun Strauss, Georg H Waetzig, Stefan Rose-John, Anita Ignatius
Bone healing is a complex process with closely linked phases of inflammation, regeneration, and remodeling. Interleukin-6 (IL-6) may crucially regulate this process; however, the underlying mechanisms are presently unclear. IL-6 signals are transmitted via the transmembrane glycoprotein 130 by two distinct mechanisms: classic signaling employing the membrane-anchored IL-6 receptor, and trans-signaling using its soluble form. Here, we investigated the hypothesis that IL-6 classic and trans-signaling have different functions during bone healing...
November 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29146139/how-to-prevent-renal-cachexia-a-clinical-randomized-pilot-study-testing-oral-supplemental-nutrition-in-hemodialysis-patients-with-and-without-human-immunodeficiency-virus-infection
#20
Michael Zilles, Christoph Betz, Oliver Jung, Stefan Gauer, Renate Hammerstingl, Astrid Wächtershäuser, Thomas J Vogl, Helmut Geiger, Aida Asbe-Vollkopf, Rainer U Pliquett
OBJECTIVE: End-stage renal disease associates with catabolism and sarcopenia. Hypothetically, peroral supplemental nutrition over 6 months prevents catabolism in hemodialysis patients. DESIGN: Prospective randomized pilot study (ClinicalTrials.gov Identifier: NCT00687050). SUBJECTS: Twenty-three hemodialysis patients (15 males and 7 females) with or without human immunodeficiency virus (HIV) infection of 2 ambulatory hemodialysis centers...
November 14, 2017: Journal of Renal Nutrition
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