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https://www.readbyqxmd.com/read/28511869/markers-of-the-p53-pathway-further-refine-molecular-profiling-in-high-risk-endometrial-cancer-a-transportec-initiative
#1
R J Edmondson, E J Crosbie, M Nickkho-Amiry, A Kaufmann, E Stelloo, H W Nijman, A Leary, A Auguste, L Mileshkin, P Pollock, H J MacKay, M E Powell, T Bosse, C L Creutzberg, H C Kitchener
BACKGROUND: The morphological classification of high-risk endometrial cancer is of limited prognostic value. Recent attempts to stratify tumours according to molecular signatures have shown considerable promise. Here we attempted to further refine molecular classifications using markers of the p53 pathway. METHODS: We analysed the expression of p53 as well as three downstream markers of the p53 pathway, p21, mdm2 and phospho-p63 (pp63), by immunohistochemistry in a series of 114 endometrial cancers (86 endometrioid, 28 non-endometrioid subtype) with high-risk features (such as high tumour grade and deep myometrial invasion) and correlated results with clinical outcome...
May 13, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28511523/achondroplasia-with-polydactyly-a-case-report
#2
Caroline Frank, Sameeya Shariff, Muddepalle Pavani, Balasubramanian Karthika, Sridhar Thathekalva
An eight-year-old girl child reported to the Department of Oral Medicine and Radiology with the chief complaint of unerupted permanent teeth for past two years. The child presented features like disproportionately short stature, rhizomelic shortening of arms and legs, long face, frontal bossing and saddle nose. Based on the findings of chest and spine radiographs and ultrasound the case was diagnosed as a rare bone disorder "Achondroplasia". This case also presents a unique feature of polydactyly. Polydactyly is a manifestation in clinical medicine because it can serve as an indicator for a plethora of congenital anamolies...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28504915/prevalence-of-os-styloideum-in-national-hockey-league-players
#3
Harry G Greditzer, Ian D Hutchinson, Christian S Geannette, Robert N Hotchkiss, Bryan T Kelly, Hollis G Potter
BACKGROUND: Os styloideum describes an accessory carpal ossicle between the trapezoid, the capitate, and the second and third metacarpals. Injuries to this tissue have been described as part of the carpal boss syndrome. While the etiology of os styloideum remains uncertain, it may represent a physiologic response to altered loading forces in the wrist, similar to the development of cam-type deformity in the hips of ice hockey players or the Bennett lesion in the shoulders of baseball pitchers...
May 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28502805/distinct-phenotypes-of-three-repeat-and-four-repeat-human-tau-in-a-transgenic-model-of-tauopathy
#4
Megan A Sealey, Ergina Vourkou, Catherine M Cowan, Torsten Bossing, Shmma Quraishe, Sofia Grammenoudi, Efthimios M C Skoulakis, Amritpal Mudher
Tau exists as six closely related protein isoforms in the adult human brain. These are generated from alternative splicing of a single mRNA transcript and they differ in the absence or presence of two N-terminal and three or four microtubule binding domains. Typically all six isoforms have been considered functionally similar. However, their differential involvement in particular tauopathies raises the possibility that there may be isoform-specific differences in physiological function and pathological role...
May 11, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28487171/an-in-vitro-study-examining-the-duration-between-deep-inspirations-on-the-rate-of-renarrowing
#5
Samuel Mailhot-Larouche, Katherine Lortie, David Marsolais, Nicolas Flamand, Ynuk Bossé
The factors altering the bronchodilatory response to a deep inspiration (DI) in asthma are important to decipher. In this in vitro study, we investigated the effect of changing the duration between DIs on the rate of force recovery post-DI in guinea pig bronchi. The airway smooth muscle (ASM) within the main bronchi were submitted to length oscillation that simulated tidal breathing in different contractile states during 2, 5, 10 or 30min prior to a larger length excursion that simulated a DI. The contractile states of ASM were determined by adding either methacholine or isoproterenol...
May 6, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28480331/comparison-between-3-scan-trace-and-diagonal-body-diffusion-weighted-imaging-acquisitions-a-phantom-and-volunteer-study
#6
Stefanie J Hectors, Mathilde Wagner, Idoia Corcuera-Solano, Martin Kang, Alto Stemmer, Michael A Boss, Bachir Taouli
Diagonal diffusion-weighted imaging (dDWI) uses simultaneous maximized application of 3 orthogonal gradient systems as opposed to sequential acquisition in 3 directions in conventional 3-scan trace DWI (tDWI). Several theoretical advantages of dDWI vs. tDWI include reduced artifacts and increased sharpness. We compared apparent diffusion coefficient (ADC) quantification and image quality between monopolar dDWI and tDWI in a dedicated diffusion phantom (b = 0/500/900/2000 s/mm(2)) and in the abdomen (b = 50/400/800 s/mm(2)) and pelvis (b = 50/1000/1600 s/mm(2)) of 2 male volunteers at 1...
December 2016: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/28474460/long-term-efficacy-and-safety-of-oxycodone-naloxone-prolonged-release-formulation-up-to-180-90-mg-daily-results-of-the-open-label-extension-phase-of-a-phase-iii-multicenter-multiple-dose-randomized-controlled-study
#7
D Dupoiron, A Stachowiak, O Loewenstein, A Ellery, W Kremers, B Bosse, M Hopp
BACKGROUND: The inclusion of naloxone with oxycodone in a fixed combination prolonged-release formulation (OXN PR) improves bowel function compared with oxycodone (Oxy) alone without compromising analgesic efficacy. In a recent 5-week, randomized, double-blind comparative trial of OXN PR and OxyPR, it could be shown that the beneficial properties of OXN PR extend to doses up to 160/80 mg. METHODS: Bowel function, pain, quality of life (QoL) and safety of OXN PR up to 180/90 mg daily were evaluated in a 24-week open-label extension phase of the 5-week randomized comparative study in patients with non-malignant or malignant pain requiring opioids and suffering from opioid-induced constipation...
May 4, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28472554/efficacy-of-intravenous-cobinamide-versus-hydroxocobalamin-or-saline-for-treatment-of-severe-hydrogen-sulfide-toxicity-in-a-swine-sus-scrofa-model
#8
Vikhyat S Bebarta, Normalynn Garrett, Matthew Brenner, Sari Mahon, Joseph K Maddry, Susan Boudreau, Maria Castaneda, Gerard Boss
BACKGROUND: Hydrogen sulfide (H2S) is a potentially deadly gas that naturally occurs in petroleum and natural gas. The Occupational Health and Safety Administration cites H2S as a leading cause of workplace gas inhalation deaths. Mass casualties of H2S toxicity may be caused by exposure from industrial accidents or release from oil field sites. H2S is also an attractive terrorism tool because of its high toxicity and ease with which it can be produced. Several potential antidotes have been proposed for hydrogen sulfide poisoning but none have been completely successful...
May 4, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28472283/oxldl-derived-lysophosphatidic-acid-promotes-the-progression-of-aortic-valve-stenosis-through-a-lpar1-rhoa-nf-%C3%AE%C2%BAb-pathway
#9
Mohamed Jalloul Nsaibia, Marie-Chloé Boulanger, Rihab Bouchareb, Ghada Mkannez, Khai Le Quang, Fayez Hadji, Deborah Argaud, Abdellaziz Dahou, Yohan Bossé, Marlys L Koschinsky, Philippe Pibarot, Benoit J Arsenault, André Marette, Patrick Mathieu
AIMS: Oxidatively modified lipoproteins may promote the development/progression of calcific aortic valve stenosis (CAVS). Oxidative transformation of low-density lipoprotein (OxLDL) generates lysophosphatidic acid (LPA), a lipid mediator that accumulates in mineralized aortic valves. LPA activates at least 6 different G protein-coupled receptors, which may play a role in the pathophysiology of CAVS. We hypothesized that LPA derived from OxLDL may promote a NF-κB signature that drives osteogenesis in the aortic valve...
May 4, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28464818/sulfatase-modifying-factor-1-sumf1-is-associated-with-chronic-obstructive-pulmonary-disease
#10
Julie Weidner, Linnea Jarenbäck, Kim de Jong, Judith M Vonk, Maarten van den Berge, Corry-Anke Brandsma, H Marike Boezen, Don Sin, Yohan Bossé, David Nickle, Jaro Ankerst, Leif Bjermer, Dirkje S Postma, Alen Faiz, Ellen Tufvesson
BACKGROUND: It has been observed that mice lacking the sulfatase modifying factor (Sumf1) developed an emphysema-like phenotype. However, it is unknown if SUMF1 may play a role in Chronic Obstructive Pulmonary Disease (COPD) in humans. The aim was to investigate if the expression and genetic regulation of SUMF1 differs between smokers with and without COPD. METHODS: SUMF1 mRNA was investigated in sputum cells and whole blood from controls and COPD patients (all current or former smokers)...
May 2, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28461224/responsiveness-to-ipratropium-bromide-in-male-and-female-patients-with-mild-to-moderate-chronic-obstructive-pulmonary-disease
#11
Xuan Li, Ma'en Obeidat, Guohai Zhou, Janice M Leung, Donald Tashkin, Robert Wise, John Connett, Philippe Joubert, Yohan Bossé, Maarten van den Berge, Corry-Anke Brandsma, David C Nickle, Ke Hao, Peter D Paré, Don D Sin
INTRODUCTION: Although the prevalence of chronic obstructive pulmonary disease (COPD) is similar between men and women, current evidence used to support bronchodilator therapy has been generated in therapeutic trials that have predominately enrolled male patients. Here, we determined whether there is any significant sex-related differences in FEV1 responses to ipratropium bromide. METHODS: Data from the Lung Health Study (n=5887; 37% females) were used to determine changes in FEV1 with ipratropium or placebo in male and female subjects with mild to moderate COPD over 5years...
April 12, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28459279/integrative-genomics-of-emphysema-associated-genes-reveals-potential-disease-biomarkers
#12
Ma'en Obeidat, Yunlong Nie, Nick Fishbane, Xuan Li, Yohan Bossé, Philippe Joubert, David C Nickle, Ke Hao, Dirkje S Postma, Wim Timens, Marc A Sze, Casey P Shannon, Zsuzsanna Hollander, Raymond T Ng, Bruce McManus, Bruce E Miller, Stephen Rennard, Avrum Spira, Tillie Louise Hackett, Wan Lam, Stephen Lam, Rosa Faner, Alvar Agusti, James C Hogg, Don D Sin, Peter D Paré
RATIONALE: Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. Gene expression profiling across multiple regions of the same lung identified genes significantly related to emphysema. OBJECTIVE: To determine whether the lung and epithelial expression of 127 emphysema-related genes is also related to lung function in independent cohorts and whether any of these genes could be used as biomarkers in the peripheral blood of COPD patients...
May 1, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28458603/assessment-of-cervical-cancer-with-a-parameter-free-intravoxel-incoherent-motion-imaging-algorithm
#13
Anton S Becker, Jose A Perucho, Moritz C Wurnig, Andreas Boss, Soleen Ghafoor, Pek-Lan Khong, Elaine Y P Lee
OBJECTIVE: To evaluate the feasibility of a parameter-free intravoxel incoherent motion (IVIM) approach in cervical cancer, to assess the optimal b-value threshold, and to preliminarily examine differences in the derived perfusion and diffusion parameters for different histological cancer types. MATERIALS AND METHODS: After Institutional Review Board approval, 19 female patients (mean age, 54 years; age range, 37-78 years) gave consent and were enrolled in this prospective magnetic resonance imaging study...
May 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28455373/chip-seq-analysis-of-genomic-binding-regions-of-five-major-transcription-factors-in-mouse-epiblast-stem-cells-that-highlights-a-central-role-for-zic2
#14
Kazunari Matsuda, Tomoyuki Mikami, Shinya Oki, Hideaki Iida, Munazah Andrabi, Jeremy M Boss, Katsushi Yamaguchi, Shuji Shigenobu, Hisato Kondoh
To obtain an insight into the transcription factor (TF)-dependent regulation of epiblast stem cells (EpiSCs), we performed ChIP-seq analysis of the genomic binding regions in EpiSCs of five major TFs, ZIC2, OTX2, SOX2, POU5F1, and POU3F1, using biotinylated TFs, identifying the following new features: (1) The genomic domains of megabase scale rich in ZIC2 peaks and genes, and those rich in POU3F1 but sparse in genes alternate in EpiSCs, reflecting the clustering of regulatory regions that act in short- and long-ranges, which involve binding of ZIC2 and POU3F1, respectively...
April 28, 2017: Development
https://www.readbyqxmd.com/read/28453240/virological-response-and-resistances-over-12-months-among-hiv-infected-children-less-than-two-years-receiving-first-line-lopinavir-ritonavir-based-antiretroviral-therapy-in-cote-d-ivoire-and-burkina-faso-the-monod-anrs-12206-cohort
#15
Clarisse Amani-Bosse, Désiré Lucien Dahourou, Karen Malateste, Madeleine Amorissani-Folquet, Malik Coulibaly, Sophie Dattez, Arlette Emieme, Mamadou Barry, Christine Rouzioux, Sylvie N'gbeche, Caroline Yonaba, Marguerite Timité-Konan, Véronique Mea, Sylvie Ouédraogo, Stéphane Blanche, Nicolas Meda, Carole Seguin-Devaux, Valériane Leroy
INTRODUCTION: Lopinavir/ritonavir-based antiretroviral therapy (ART) is recommended for all HIV-infected children less than three years. However, little is known about its field implementation and effectiveness in West Africa. We assessed the 12-month response to lopinavir/ritonavir-based antiretroviral therapy in a cohort of West African children treated before the age of two years. METHODS: HIV-1-infected, ART-naive except for a prevention of mother-to-child transmission (PMTCT), tuberculosis-free, and less than two years of age children with parent's consent were enrolled in a 12-month prospective therapeutic cohort with lopinavir/ritonavir ART and cotrimoxazole prophylaxis in Ouagadougou and Abidjan...
April 25, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28448512/suppression-of-the-escherichia-coli-dnaa46-mutation-by-changes-in-the-activities-of-the-pyruvate-acetate-node-links-dna-replication-regulation-to-central-carbon-metabolism
#16
Joanna Tymecka-Mulik, Lidia Boss, Monika Maciąg-Dorszyńska, João F Matias Rodrigues, Lidia Gaffke, Anna Wosinski, Grzegorz M Cech, Agnieszka Szalewska-Pałasz, Grzegorz Węgrzyn, Monika Glinkowska
To ensure faithful transmission of genetic material to progeny cells, DNA replication is tightly regulated, mainly at the initiation step. Escherichia coli cells regulate the frequency of initiation according to growth conditions. Results of the classical, as well as the latest studies, suggest that the DNA replication in E. coli starts at a predefined, constant cell volume per chromosome but the mechanisms coordinating DNA replication with cell growth are still not fully understood. Results of recent investigations have revealed a role of metabolic pathway proteins in the control of cell division and a direct link between metabolism and DNA replication has also been suggested both in Bacillus subtilis and E...
2017: PloS One
https://www.readbyqxmd.com/read/28447627/short-term-blood-pressure-variability-and-long-term-blood-pressure-variability-which-one-is-a-reliable-predictor-for-recurrent-stroke
#17
Y Tao, J Xu, B Song, X Xie, H Gu, Q Liu, L Zhao, Y Wang, Y Xu, Y Wang
The relationship between blood pressure variability (BPV) and stroke recurrence is controversial. This study aimed to evaluate the predictive value of short-term and long-term BPV for stroke recurrence. The data from blood pressure and clinical outcome in TIA or ischemic stroke (BOSS) study included participants with acute ischemic stroke or transient ischemic attack (TIA) within 7 days after onset. Short-term BPV was measured by 24-h ambulatory BP measurement during hospitalisation. Long-term BPV, based on home blood pressure measurement, was measured by patients or their families from discharge to 90 days after qualifying events onset (twice daily)...
April 27, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28446881/assessment-of-airway-distensibility-by-the-forced-oscillation-technique-reproducible-and-potentially-simplifiable
#18
Samuel Mailhot-Larouche, Mélanie Lachance, Michela Bullone, Cyndi Henry, Ronald J Dandurand, Louis-Philippe Boulet, Michel Laviolette, Gregory G King, Claude S Farah, Ynuk Bossé
A non-invasive index of airway distensibility is required to track airway remodeling over time. The forced oscillation technique (FOT) provides such an index by measuring the change in respiratory system conductance at 5 Hz over the corresponding change in lung volume (ΔGrs5/ΔVL). To become useful clinically, this method has to be reproducible and easy to perform. The series of breathing maneuvers required to measure distensibility would be greatly facilitated if the difficulty of breathing below functional residual capacity (FRC) could be precluded and the number of maneuvers could be reduced...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28438922/surgeons-say-they-expressed-safety-concerns-to-hospital-bosses-before-child-s-death
#19
(no author information available yet)
No abstract text is available yet for this article.
April 24, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28438322/water-fat-dixon-sequences-in-the-evaluation-of-breast-implants-proposal-of-a-time-effective-rapid-approach-in-the-clinical-practice
#20
M Marcon, A S Becker, E J Ulbrich, T Frauenfelder, A Boss
AIM: To evaluate the diagnostic accuracy achieved from a fat-water Dixon sequence alone compared to a combination of a silicone-specific magnetic resonance imaging (MRI) sequence and a water-specific MRI sequence in the assessment of breast implants. MATERIALS AND METHODS: In this institutional review board (IRB)-approved study the integrity of breast implants was assessed retrospectively in 27 patients undergoing breast MRI at 3 T. A qualitative evaluation of (set 1) a silicon-selective water-saturated short tau inversion recovery (STIR) sequence in combination with a water-only Dixon dataset (total acquisition time 7 minutes 17 seconds), and of (set 2) fat-only and water-only Dixon datasets (4 minutes 8 seconds) was performed by two readers independently evaluating the following features: margin definition of the implant, water suppression homogeneity, image quality, presence of artefacts and their effects on the imaging interpretation, and diagnostic confidence...
April 21, 2017: Clinical Radiology
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