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https://www.readbyqxmd.com/read/28822976/persistence-after-treatment-of-pharyngeal-gonococcal-infections-in-patients-of-the-sti-clinic-amsterdam-the-netherlands-2012-2015-a-retrospective-cohort-study
#1
I Putu Yuda Hananta, Henry John Christiaan De Vries, Alje P van Dam, Martijn Sebastiaan van Rooijen, Hardyanto Soebono, Maarten Franciscus Schim van der Loeff
INTRODUCTION: Infection of Neisseria gonorrhoeae in the pharynx (pharyngeal Ng) is associated with gonococcal transmission and development of antimicrobial resistance. We assessed proportion of and determinants for persistence after treatment of pharyngeal Ng. METHODS: At the STI clinic of Amsterdam, the Netherlands, females-at-risk and men who have sex with men are routinely screened for pharyngeal Ng using an RNA-based nucleic acid amplification test (NAAT; Aptima Combo 2)...
August 19, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28822920/are-frailty-components-associated-with-disability-in-specific-activities-of-daily-living-in-community-dwelling-older-adults-a-multicenter-canadian-study
#2
Véronique Provencher, François Béland, Louise Demers, Johanne Desrosiers, Nathalie Bier, José Alberto Ávila-Funes, Claude Galand, Dominic Julien, John D Fletcher, Lise Trottier, Benyahia Hami
Current studies show the relevance of geriatric prevention and rehabilitation programs to slow down the development of disability in community-dwelling older adults who are becoming frail. This evidence reveals the importance of improving knowledge on how individual components of frailty and specific disability in basic and instrumental activities of daily living (ADL) are related, to offer early, targeted, and tailored interventions. The objective was to examine the association between each of the five frailty phenotype components (weakness, slowness, exhaustion, low physical activity, weight loss) and disability in specific ADL pertaining to physical aspects (bathing, dressing, cutting toe nails, transportation, shopping, housekeeping, food purchasing, food preparation) and cognitive aspects (finances, telephone, medication)...
August 2, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28822907/leaf-carbohydrates-influence-transcriptional-and-post-transcriptional-regulation-of-nocturnal-carboxylation-and-starch-degradation-in-the-facultative-cam-plant-mesembryanthemum-crystallinum
#3
Tahar Taybi, John C Cushman, Anne M Borland
Nocturnal degradation of transitory starch is a limiting factor for the optimal function of crassulacean acid metabolism and must be coordinated with phosphoenolypyruvate carboxylase (PEPC)-mediated CO2 uptake to optimise carbon gain over the diel cycle. The aim of this study was to test the hypothesis that nocturnal carboxylation is coordinated with starch degradation in CAM via a mechanism whereby the products of these pathways regulate diel transcript abundance and enzyme activities for both processes. To test this hypothesis, a starch and CAM-deficient mutant of Mesembryanthemum crystallinum was compared with wild type plants under well-watered and saline (CAM-inducing) conditions...
August 5, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28822836/fty720-fingolimod-an-oral-s1pr-modulator-mitigates-radiation-induced-cognitive-deficits
#4
Alexander M Stessin, Matei A Banu, Mariano Guardia Clausi, Nicholas Berry, John A Boockvar, Samuel Ryu
PURPOSE: This study evaluates FTY720/Fingolimod, modulator of sphingosine-1-phosphate (S1P) receptor, as a potential mitigator of radiation-induced neurocognitive dysfunction. METHODS AND MATERIALS: To study radiation-induced neurocognitive deficits, 6 week-old C57/Bl/6J mice received 0 or 7Gy cranial irradiation and were treated with FTY720 or vehicle for seven weeks. Fear conditioning and Morris water maze were then employed to test learning and memory. Immunohistochemical staining for neural progenitor cells (NPCs) and mature neurons was used to assess changes in hippocampal neurogenesis...
August 16, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28822749/dominance-of-layer-specific-microvessel-dilation-in-contrast-enhanced-high-resolution-fmri-comparison-between-hemodynamic-spread-and-vascular-architecture-with-clarity
#5
REVIEW
Alexander John Poplawsky, Mitsuhiro Fukuda, Bok-Man Kang, Jae Hwan Kim, Minah Suh, Seong-Gi Kim
Contrast-enhanced cerebral blood volume-weighted (CBVw) fMRI response peaks are specific to the layer of evoked synaptic activity (Poplawsky et al., 2015), but the spatial resolution limit of CBVw fMRI is unknown. In this study, we measured the laminar spread of the CBVw fMRI evoked response in the external plexiform layer (EPL, 265 ± 65 μm anatomical thickness, mean ± SD, n = 30 locations from 5 rats) of the rat olfactory bulb during electrical stimulation of the lateral olfactory tract and examined its potential vascular source...
August 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28822718/role-of-the-coagulation-system-in-genitourinary-cancers-review
#6
REVIEW
Axel John, Christian Gorzelanny, Alexander T Bauer, Stefan W Schneider, Christian Bolenz
Tumor progression is associated with aberrant hemostasis, and patients with malignant diseases have an elevated risk of developing thrombosis. A crosstalk among the vascular endothelium, components of the coagulation cascade, and cancer cells transforms the intravascular milieu to a prothrombotic, proinflammatory, and cell-adhesive state. We review the existing evidence on activation of the coagulation system and its implication in genitourinary malignancies and discuss the potential therapeutic benefit of antithrombotic agents...
July 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28822686/the-role-of-human-monoacylglycerol-lipase-hmagl-binding-pocket-in-breakup-of-unsaturated-phospholipid-membranes
#7
Ioannis Karageorgos, Vitalii I Silin, Nikolai Zvonok, John Marino, David R Janero, Alexandros Makriyannis
Human monoacylglycerol lipase (hMAGL) plays a key role in homeostatic tuning of the endocannabinoid signaling system and supports aggressive tumorogenesis, making this enzyme a promising therapeutic target. hMAGL features a membrane-associated lid domain that regulates entry of endocannabinoid lipid substrates into the hydrophobic channel accessing the active site, likely from the membrane bilayer. The present work applied simultaneous surface plasmon resonance and electrochemical impedance spectroscopy measurements to show that, in absence of the substrate, hMAGL can remove phospholipid molecules from the membrane and, thereby, disintegrate pre-formed, intact, tethered phospholipid bilayer membrane mimetics (tBLMs) composed of unsaturated phosphatidylcholines...
August 16, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28822667/doppler-parameters-derived-from-transthoracic-echocardiography-accurately-detect-bioprosthetic-mitral-valve-dysfunction
#8
Ryan J Spencer, Ken G Gin, Michael Y C Tsang, Teresa S M Tsang, Parvathy Nair, Pui K Lee, John Jue
BACKGROUND: Detecting bioprosthetic mitral valve dysfunction on transthoracic echocardiography can be challenging because of acoustic shadowing of regurgitant jets and a wide normal range of transvalvular gradients. Several studies in mechanical mitral valves have demonstrated the utility of the transthoracically derived parameters E (peak early mitral inflow velocity), pressure half-time, and the ratio of mitral inflow velocity-time integral (VTIMV) to left ventricular outflow tract velocity-time integral (VTILVOT) in detecting significant prosthetic dysfunction...
August 16, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28822558/wilms-tumor-screening-in-diffuse-capillary-malformation-with-overgrowth-and-macrocephaly-capillary-malformation-a-retrospective-study
#9
Caitlin M Peterman, Sophie Vadeboncoeur, John B Mulliken, Steven J Fishman, Marilyn G Liang
BACKGROUND: CLOVES (congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and skeletal anomalies) syndrome is associated with regional bony and/or soft tissue overgrowth, capillary malformation, and an increased risk for Wilms tumor. OBJECTIVE: To evaluate the frequency of Wilms tumor in patients with 2 similar conditions: diffuse capillary malformation with overgrowth (DCMO) and macrocephaly-capillary malformation (M-CM). METHODS: Culling our Vascular Anomalies Center database, we retrospectively reviewed patients in whom DCMO and M-CM had been diagnosed and who were evaluated between 1998 and 2016 for possible development of Wilms tumor...
August 16, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28822556/associations-between-residual-disease-and-survival-in-epithelial-ovarian-cancer-by-histologic-type
#10
Alexander Melamed, Beryl Manning-Geist, Amy J Bregar, Elisabeth J Diver, Annekathryn Goodman, Marcela G Del Carmen, John O Schorge, J Alejandro Rauh-Hain
OBJECTIVE: Surgical cytoreduction has been postulated to affect survival by increasing the efficacy of chemotherapy in ovarian cancer. We hypothesized that women with high-grade serous ovarian cancer, which usually responds to chemotherapy, would derive greater benefit from complete cytoreduction than those with histologic subtypes that are less responsive to chemotherapy, such as mucinous and clear cell carcinoma. METHODS: We conducted a retrospective cohort study of patients who underwent primary cytoreductive surgery and adjuvant chemotherapy for stage IIIC or IV epithelial ovarian cancer from 2011 to 2013 using data from the National Cancer Database...
August 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28822383/outcomes-experienced-by-patients-presenting-with-ventral-hernia-and-morbid-obesity-in-a-surgical-clinic
#11
Margaret A Plymale, Daniel L Davenport, John S Roth
No abstract text is available yet for this article.
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28822371/moped-collisions-low-speed-and-high-impact-a-single-center-review
#12
Jennifer L Wentzel, Keely Muertos, Andrea Romano, Antonio Pepe, Jason D Sciarretta, John M Davis
No abstract text is available yet for this article.
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28822365/who-is-john-doe-a-case-match-analysis
#13
Christopher F Janowak, Scott Dolejs, Ben L Zarzaur
No abstract text is available yet for this article.
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28822337/photocatalysis-of-estrone-in-water-and-wastewater-comparison-between-au-tio2-nanocomposite-and-tio2-and-degradation-by-products
#14
Kireesan Sornalingam, Andrew McDonagh, John L Zhou, Md Abu Hasan Johir, Mohammad Boshir Ahmed
Gold-modified TiO2 (Au-TiO2) photocatalysts were utilised for the degradation of estrone (E1), a major endocrine disrupting chemical in water and wastewater. Au-TiO2 catalysts were synthesised by a deposition-precipitation method with gold loadings of 0-8% (wt%). The Au-TiO2 nanocomposite exhibited superior activity compared to P25 TiO2 under UVA (λ=365nm), cool white (λ>420nm) and green (λ=523nm) light emitting diodes (LEDs), for treating 1mgl(-1) of E1. The 4wt% Au loading was found to produce the best photocatalytic activity with a rate constant of 2...
August 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822333/virtual-screening-and-repositioning-of-inconclusive-molecules-of-beta-lactamase-bioassays-a-data-mining-approach
#15
Akshata Gad, Andrew Titus Manuel, Jinuraj K R, Lijo John, Sajeev R, Shanmuga Priya V G, Abdul Jaleel U C
This study focuses on the best possible way forward in utilizing inconclusive molecules of PubChem bioassays AID 1332, AID 434987 and AID 434955, which are related to beta-lactamase inhibitors of Mycobacterium tuberculosis (Mtb). The inadequacy in the experimental methods that were observed during the invitro screening resulted in an inconclusive dataset. This could be due to certain moieties present within the molecules. In order to reconsider such molecules, insilico methods can be suggested in place of invitro methods For instance, datamining and medicinal chemistry methods: have been adopted to prioritise the inconclusive dataset into active or inactive molecules...
July 29, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28822225/altered-thymocyte-and-t-cell-development-in-neonatal-mice-with-hyperoxia-induced-lung-injury
#16
Sowmya Angusamy, Tamer Mansour, Mohammed Abdulmageed, Rachel Han, Brian C Schutte, John LaPres, Jack R Harkema, Said A Omar
BACKGROUND: The adaptive immune system of neonates is relatively underdeveloped. The thymus is an essential organ for adaptive T cell development and might be affected during the natural course of oxygen induced lung injury. The effect of prolonged hyperoxia on the thymus, thymocyte and T cell development, and its proliferation has not been studied extensively. METHODS: Neonatal mice were exposed to 85% oxygen (hyperoxia) or room air (normoxia) up to 28 days. Flow cytometry using surface markers were used to assay for thymocyte development and proliferation...
August 19, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28822079/interethnic-interaction-strategic-bargaining-power-and-the-dynamics-of-cultural-norms-a-field-study-in-an-amazonian-population
#17
John Andrew Bunce, Richard McElreath
Ethnic groups are universal and unique to human societies. Such groups sometimes have norms of behavior that are adaptively linked to their social and ecological circumstances, and ethnic boundaries may function to protect that variation from erosion by interethnic interaction. However, such interaction is often frequent and voluntary, suggesting that individuals may be able to strategically reduce its costs, allowing adaptive cultural variation to persist in spite of interaction with out-groups with different norms...
August 18, 2017: Human Nature: An Interdisciplinary Biosocial Perspective
https://www.readbyqxmd.com/read/28822052/bariatric-surgery-worldwide-baseline-demographic-description-and-one-year-outcomes-from-the-second-ifso-global-registry-report-2013-2015
#18
Richard Welbourn, Dimitri J Pournaras, John Dixon, Kelvin Higa, Robin Kinsman, Johan Ottosson, Almino Ramos, Bart van Wagensveld, Peter Walton, Rudolf Weiner, Natan Zundel
BACKGROUND: Five International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) surveys since 1998 have estimated the volume and type of bariatric surgery being done in constituent member countries. These reports did not include baseline demographic descriptions. METHODS: An IFSO Global Registry pilot project in 2014 demonstrated that it was possible to amalgamate large numbers of individual patient data from different local and national database systems...
August 18, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28822038/translocator-protein-pet-imaging-in-a-preclinical-prostate-cancer-model
#19
Mohammed N Tantawy, H Charles Manning, Todd E Peterson, Daniel C Colvin, John C Gore, Wenfu Lu, Zhenbang Chen, C Chad Quarles
PURPOSE: The identification and targeting of biomarkers specific to prostate cancer (PCa) could improve its detection. Given the high expression of translocator protein (TSPO) in PCa, we investigated the use of [(18)F]VUIIS1008 (a novel TSPO-targeting radioligand) coupled with positron emission tomography (PET) to identify PCa in mice and to characterize their TSPO uptake. PROCEDURES: Pten(pc-/-), Trp53(pc-/-) prostate cancer-bearing mice (n = 9, 4-6 months old) were imaged in a 7T MRI scanner for lesion localization...
August 18, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28822009/urolithiasis-as-an-extraarticular-manifestation-of-ankylosing-spondylitis
#20
REVIEW
Cengiz Korkmaz, Döndü Üsküdar Cansu, John A Sayer
Ankylosing spondylitis (AS) affects sacroiliac and axial joints as well as extraarticular organs, such as the eye, lung, bowel, and heart. Although examples of renal involvement in AS, such as IgA nephropathy, amyloidosis, and glomerulonephritis, have been reported, it has not been emphasized that urolithiasis is frequently formed in the clinical course of AS. Growing evidence indicates that urolithiasis may be observed in AS patients and is more frequent than other extraarticular features. In this review, we will discuss frequency and predictors of AS-related urolithiasis and summarize the possible underlying genetic and biochemical mechanisms...
August 18, 2017: Rheumatology International
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