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https://www.readbyqxmd.com/read/28545122/spot-a-novel-and-streamlined-microarray-platform-for-observing-cellular-trna-levels
#1
Simon Grelet, Ariel McShane, Eveline Hok, Jensen Tomberlin, Philip H Howe, Renaud Geslain
Recent studies have placed transfer RNA (tRNA), a housekeeping molecule, in the heart of fundamental cellular processes such as embryonic development and tumor progression. Such discoveries were contingent on the concomitant development of methods able to deliver high-quality tRNA profiles. The present study describes the proof of concept obtained in Escherichia coli (E. coli) for an original tRNA analysis platform named SPOt (Streamlined Platform for Observing tRNA). This approach comprises three steps. First, E...
2017: PloS One
https://www.readbyqxmd.com/read/28545041/effect-of-early-measles-vaccine-on-pneumococcal-colonization-a-randomized-trial-from-guinea-bissau
#2
Nadja Skadkær Hansen, Stine Byberg, Lars Hervig Jacobsen, Morten Bjerregaard-Andersen, Aksel Karl Georg Jensen, Cesario Martins, Peter Aaby, Jørgen Skov Jensen, Christine Stabell Benn, Hilton Whittle
BACKGROUND: Measles vaccine (MV) may have non-specific beneficial effects for child health and particularly seems to prevent respiratory infections. Streptococcus pneumoniae is the leading cause of bacterial pneumonia among children worldwide, and nasopharyngeal colonization precedes infection. OBJECTIVE: We investigated whether providing early MV at 18 weeks of age reduced pneumococcal colonization and/or density up to 9 months of age. METHOD: The study was conducted in 2013-2014 in Guinea-Bissau...
2017: PloS One
https://www.readbyqxmd.com/read/28544993/muscarinic-receptor-m4-positive-allosteric-modulators-attenuate-central-effects-of-cocaine
#3
Camilla Dall, Pia Weikop, Ditte Dencker, Anna C Molander, Gitta Wörtwein, P Jeffrey Conn, Anders Fink-Jensen, Morgane Thomsen
BACKGROUND: Cocaine addiction is a chronic brain disease affecting neurotransmission. Muscarinic cholinergic receptors modulate dopaminergic signaling in the reward system, and muscarinic receptor stimulation can block direct reinforcing effects of cocaine. Here, we tested the hypothesis that specific muscarinic M4 receptor stimulation can attenuate the discriminative stimulus effects and conditioned rewarding effects of cocaine, measures believed to predict the ability of cocaine and cocaine-associated cues to elicit relapse to drug taking...
May 16, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28544969/prior-treatment-with-non-anti-tb-antibiotics-and-the-duration-of-symptoms-have-no-effect-on-diagnostics-of-tuberculous-meningitis
#4
Marcin Paciorek, Andrzej Pihowicz, Dominik Bursa, Joanna Schöntaler Humięcka, Justyna D Kowalska, Mateusz Antosiewicz, Magda E Thompson, Agata Skrzat-Wojdacz, Agnieszka Bednarska, Andrzej Horban
PURPOSE: Our objective was to investigate whether diagnosis of tuberculous meningitis (TBM) with microbiological and molecular analysis was affected by prior empirical non anti tuberculosis antibiotics or by duration of symptoms before lumbar puncture. MATERIALS AND METHODS: We retrospectively evaluated medical records of patients with TBM confirmed by positive culture, nucleic acid amplification techniques (NAATs) or Ehrlich-Ziehl-Neelsen staining (EZNs) from the cerebrospinal fluid (CSF) or by characteristic results of biochemical analysis of CSF combined with a typical clinical manifestation...
May 22, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28544480/obesity-as-a-risk-factor-for-developing-functional-limitation-among-older-adults-a-conditional-inference-tree-analysis
#5
Feon W Cheng, Xiang Gao, Le Bao, Diane C Mitchell, Craig Wood, Martin J Sliwinski, Helen Smiciklas-Wright, Christopher D Still, David D K Rolston, Gordon L Jensen
OBJECTIVE: To examine the risk factors of developing functional decline and make probabilistic predictions by using a tree-based method that allows higher order polynomials and interactions of the risk factors. METHODS: The conditional inference tree analysis, a data mining approach, was used to construct a risk stratification algorithm for developing functional limitation based on BMI and other potential risk factors for disability in 1,951 older adults without functional limitations at baseline (baseline age 73...
May 24, 2017: Obesity
https://www.readbyqxmd.com/read/28544328/acetylcholine-related-proteins-in-non-neoplastic-appearing-colonic-mucosa-from-patients-with-colorectal-neoplasia
#6
Morten Matthiesen Bach Damm, Thorbjørn Søren Rønn Jensen, Badar Mahmood, Morten Lundh, Steen Seier Poulsen, Niels Bindslev, Mark Berner Hansen
The pathogenesis of colorectal neoplasia (CRN) has been associated with altered non-neuronal acetylcholine (ACh) metabolism. The aim of this study was to characterize expression, function and cellular location of ACh-related proteins in biopsies obtained from endoscopic normal appearing sigmoid colon in patients with and without CRN. Messenger-RNA (mRNA) levels of 17 ACh-related proteins were quantified by rt-qPCR. Functional responses to ACh, measured as electrogenic transepithelial short circuit current (SCC), were recorded using the Ussing chamber technique...
May 23, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28543193/patterns-of-anaphylaxis-after-diagnostic-work-up-a-follow-up-study-of-226-patients-with-suspected-anaphylaxis
#7
Athamaica Ruiz Oropeza, Carsten Bindslev-Jensen, Sigurd Broesby-Olsen, Thomas Kristensen, Michael Boe Møller, Hanne Vestergaard, Henrik Fomsgaard Kjaer, Susanne Halken, Annmarie Lassen, Charlotte G Mortz
BACKGROUND: Most published studies on anaphylaxis are retrospective or register based. Data on subsequent diagnostic work-up are sparse. We aimed to characterize patients seen with suspected anaphylaxis at the emergency care setting (ECS), after subsequent diagnostic work-up at our Allergy Center (AC). METHODS: Prospective study including patients from the ECS, Odense University Hospital, during May 2013-April 2014. Possible anaphylaxis cases were daily identified based on a broad search profile including history and symptoms in patient records, diagnostic codes and pharmacological treatments...
May 19, 2017: Allergy
https://www.readbyqxmd.com/read/28542416/soil-texture-analysis-revisited-removal-of-organic-matter-matters-more-than-ever
#8
Johannes Lund Jensen, Per Schjønning, Christopher W Watts, Bent T Christensen, Lars J Munkholm
Exact estimates of soil clay (<2 μm) and silt (2-20 μm) contents are crucial as these size fractions impact key soil functions, and as pedotransfer concepts based on clay and silt contents are becoming increasingly abundant. We examined the effect of removing soil organic matter (SOM) by H2O2 before soil dispersion and determination of clay and silt. Soil samples with gradients in SOM were retrieved from three long-term field experiments each with uniform soil mineralogy and texture. For soils with less than 2 g C 100 g-1 minerals, clay estimates were little affected by SOM...
2017: PloS One
https://www.readbyqxmd.com/read/28541808/executive-summary-of-the-american-college-of-surgeons-surgical-infection-society-surgical-site-infection-guidelines-2016-update
#9
Kristen A Ban, Joseph P Minei, Christine Laronga, Brian G Harbrecht, Eric H Jensen, Donald E Fry, Kamal M F Itani, E Patchen Dellinger, Clifford Y Ko, Therese M Duane
Guidelines regarding the prevention, detection, and management of surgical site infections (SSIs) have been published previously by a variety of organizations. The American College of Surgeons (ACS)/Surgical Infection Society (SIS) Surgical Site Infection (SSI) Guidelines 2016 Update is intended to update these guidelines based on the current literature and to provide a concise summary of relevant topics.
May 2017: Surgical Infections
https://www.readbyqxmd.com/read/28541438/interlinked-dna-nano-circles-for-measuring-topoisomerase-ii-activity-at-the-level-of-single-decatenation-events
#10
Emil L Kristoffersen, Asger Givskov, Line A Jørgensen, Pia W Jensen, Jo Ann W Byl, Neil Osheroff, Anni H Andersen, Magnus Stougaard, Yi-Ping Ho, Birgitta R Knudsen
DNA nano-structures present appealing new means for monitoring different molecules. Here, we demonstrate the assembly and utilization of a surface-attached double-stranded DNA catenane composed of two intact interlinked DNA nano-circles for specific and sensitive measurements of the life essential topoisomerase II (Topo II) enzyme activity. Topo II activity was detected via the numeric release of DNA nano-circles, which were visualized at the single-molecule level in a fluorescence microscope upon isothermal amplification and fluorescence labeling...
May 24, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28537486/social-media-mourning
#11
Jensen Moore, Sara Magee, Ellada Gamreklidze, Jennifer Kowalewski
This article uses grounded theory methodology to analyze in-depth interviews conducted with mourners who used social networking sites during bereavement. The social media mourning (SMM) model outlines how social networking sites are used to grieve using one or more of the following: (a) one-way communication, (b) two-way communication, and (c) immortality communication. The model indicates causal conditions of SMM: (a) sharing information with family or friends and (sometimes) beginning a dialog, (b) discussing death with others mourning, (c) discussing death with a broader mourning community, and (d) commemorating and continuing connection to the deceased...
January 1, 2017: Omega
https://www.readbyqxmd.com/read/28536950/women-with-breast-cancer-report-substantially-more-disease-and-treatment-related-side-or-late-effects-than-registered-by-clinical-oncologists-a-cross-sectional-study-of-a-standard-follow-up-program-in-an-oncological-department
#12
Mai-Britt Bjørklund Ellegaard, Cai Grau, Robert Zachariae, Anders Bonde Jensen
BACKGROUND: Follow-up after breast cancer treatment is standard due to the risk of development of new primary cancers and recurrent disease. The aim of the present study was to evaluate a standard follow-up program in an oncological department by assessing: (1) Symptoms or signs of new primary cancer or recurrent disease, (2) Disease- and treatment-related physical and psychosocial side or late effects, and (3) relevant actions by oncology staff. MATERIALS AND METHODS: In a cross-sectional study, 194 women who came for follow-up visit after treatment for primary surgery were included...
May 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28536927/involvement-of-the-dna-mismatch-repair-system-in-cisplatin-sensitivity-of-testicular-germ-cell-tumours
#13
Christiane Rudolph, Cecilie Melau, John E Nielsen, Kristina Vile Jensen, Dekang Liu, Javier Pena-Diaz, Ewa Rajpert-De Meyts, Lene Juel Rasmussen, Anne Jørgensen
BACKGROUND: Testicular germ cell tumours (TGCT) are highly sensitive to cisplatin-based chemotherapy, but patients with tumours containing differentiated teratoma components are less responsive to this treatment. The cisplatin sensitivity in TGCT has previously been linked to the embryonic phenotype in the majority of tumours, although the underlying mechanism largely remains to be elucidated. The aim of this study was to investigate the role of the DNA mismatch repair (MMR) system in the cisplatin sensitivity of TGCT...
May 23, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28536147/hormone-dependent-control-of-developmental-timing-through-regulation-of-chromatin-accessibility
#14
Christopher M Uyehara, Spencer L Nystrom, Matthew J Niederhuber, Mary Leatham-Jensen, Yiqin Ma, Laura A Buttitta, Daniel J McKay
Specification of tissue identity during development requires precise coordination of gene expression in both space and time. Spatially, master regulatory transcription factors are required to control tissue-specific gene expression programs. However, the mechanisms controlling how tissue-specific gene expression changes over time are less well understood. Here, we show that hormone-induced transcription factors control temporal gene expression by regulating the accessibility of DNA regulatory elements. Using the Drosophila wing, we demonstrate that temporal changes in gene expression are accompanied by genome-wide changes in chromatin accessibility at temporal-specific enhancers...
May 23, 2017: Genes & Development
https://www.readbyqxmd.com/read/28536092/a-personalized-and-interactive-web-based-health-care-innovation-to-advance-the-quality-of-life-and-care-of-patients-with-heart-failure-acquire-hf-a-mixed-methods-feasibility-study
#15
Susanne S Pedersen, Thomas Schmidt, Søren Jensen Skovbakke, Uffe Kock Wiil, Kenneth Egstrup, Kim G Smolderen, John A Spertus
BACKGROUND: Heart failure (HF) is a progressive, debilitating, and complex disease, and due to an increasing incidence and prevalence, it represents a global health and economic problem. Hence, there is an urgent need to evaluate alternative care modalities to current practice to safeguard a high level of care for this growing population. OBJECTIVE: Our goal was to examine the feasibility of engaging patients to use patient-centered and personalized tools coupled with a Web-based, shared care and interactive platform in order to empower and enable them to live a better life with their disease...
May 23, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28535721/short-and-long-term-management-of-an-acute-pustular-psoriasis-flare-a-case-report
#16
Jorge R Georgakopoulos, Arvin Ighani, Jensen Yeung
BACKGROUND: Generalised pustular psoriasis (GPP) and acrodermatitis continua of Hallopeau (ACH) are chronic, relapsing variants of pustular psoriasis proven to be remarkably challenging to treat. Due to their uncommon presentation, there are few described cases in literature and scarce evidence for management. Further information is needed to help dermatologists formulate treatment plans for patients presenting with such diseases. CASE SUMMARY: We report the case of a 68-year-old man with a 3-year history of psoriasis presenting to our clinic with a severe breakout of GPP and associated ACH...
May 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28535421/differentiation-of-crataegus-spp-guided-by-nuclear-magnetic-resonance-spectrometry-with-chemometric-analyses
#17
Jensen A Lund, Paula N Brown, Paul R Shipley
For compliance with US Current Good Manufacturing Practice regulations for dietary supplements, manufacturers must provide identity of source plant material. Despite the popularity of hawthorn as a dietary supplement, relatively little is known about the comparative phytochemistry of different hawthorn species, and in particular North American hawthorns. The combination of NMR spectrometry with chemometric analyses offers an innovative approach to differentiating hawthorn species and exploring the phytochemistry...
May 20, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28534622/solute-partitioning-in-micelles-combining-molecular-dynamics-simulations-cosmomic-and-experiments
#18
Denitsa Yordanova, Eric Ritter, Thomas Gerlach, Jan-Hendrik Jensen, Irina Smirnova, Sven Jakobtorweihen
The partition equilibria of solutes between micelles and an aqueous phase is a key factor in many applications. Depending on the task, many micelle-solute combinations are possible. Therefore, theoretical methods to predict the partition behavior in micellar systems are needed. Here, two predictive methods are evaluated and compared. First, it is shown how molecular dynamics simulations (MD) with the umbrella sampling method can be used to calculate free energy profiles in micellar systems. The second applied method is an extension of the COSMO-RS theory to anisotropic systems termed COSMOmic...
May 23, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28534117/a-multicenter-study-on-objective-and-subjective-benefits-with-a-transcutaneous-bone-anchored-hearing-aid-device-first-nordic-results
#19
Dan Dupont Hougaard, Soren Kjaergaard Boldsen, Anne Marie Jensen, Soren Hansen, Per Cayé Thomassen
Examination of objective as well as subjective outcomes with a new transcutaneous bone-anchored hearing aid device. The study was designed as a prospective multicenter consecutive case-series study involving tertiary referral centers at two Danish University Hospitals. A total of 23 patients were implanted. Three were lost to follow-up. Patients had single-sided deafness, conductive or mixed hearing loss. INTERVENTION: Rehabilitative. Aided and unaided sound field hearing was evaluated objectively using (1) pure warble tone thresholds, (2) pure-tone average (PTA4), (3) speech discrimination score (SDS) in quiet, and (4) speech reception threshold 50% at 70 dB SPL noise level (SRT50%)...
May 22, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28533737/the-alpha-1a-adrenergic-receptor-agonist-a61603-reduces-cardiac-polyunsaturated-fatty-acid-and-endocannabinoid-metabolites-associated-with-inflammation-in-vivo
#20
Monte S Willis, Amro Ilaiwy, Megan D Montgomery, Paul C Simpson, Brian C Jensen
INTRODUCTION: Alpha-1-adrenergic receptors (α1-ARs) are G-protein coupled receptors (GPCRs) with three highly homologous subtypes (α1A, α1B, and α1D). Of these three subtypes, only the α1A and α1B are expressed in the heart. Multiple pre-clinical models of heart injury demonstrate cardioprotective roles for the α1A. Non-selective α1-AR activation promotes glycolysis in the heart, but the functional α1-AR subtype and broader metabolic effects have not been studied. OBJECTIVES: Given the high metabolic demands of the heart and previous evidence indicating benefit from α1A activation, we chose to investigate the effects of α1A activation on the cardiac metabolome in vivo...
October 2016: Metabolomics: Official Journal of the Metabolomic Society
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