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https://www.readbyqxmd.com/read/28545045/differences-in-speb-protease-activity-among-group-a-streptococci-associated-with-superficial-invasive-and-autoimmune-disease
#1
Anhphan T Ly, John P Noto, Odaelys L Walwyn, Robert R Tanz, Stanford T Shulman, William Kabat, Debra E Bessen
The secreted cysteine proteinase SpeB is an important virulence factor of group A streptococci (GAS), whereby SpeB activity varies widely among strains. To establish the degree to which SpeB activity correlates with disease, GAS organisms were recovered from patients with pharyngitis, impetigo, invasive disease or acute rheumatic fever (ARF), and selected for analysis using rigorous sampling criteria; >300 GAS isolates were tested for SpeB activity by casein digestion assays, and each GAS isolate was scored as a SpeB-producer or non-producer...
2017: PloS One
https://www.readbyqxmd.com/read/28542655/-risk-factors-associated-with-postoperative-acute-renal-failure-in-pediatric-patients-undergoing-cardiopulmonary-bypass-surgery
#2
Elsa Nohemí Reyes-Flandes, Alejandro Herrera-Landero, Pascual Bobadilla-González, Juan Carlos Núñez-Enríquez
Acute renal failure (ARF) is a complication associated with cardiac surgery with cardiopulmonary bypass (CPB) with an impact on morbidity and mortality. OBJECTIVE: To identify risk factors associated with postoperative IRA according to pediatric Risk, Injury, Failure, Loss, End-Stage Renal Disease scale in children undergoing cardiac surgery with CPB. PATIENTS AND METHOD: A nested case-control study was conducted. We included children under 16 years of age attended postoperative for CBP in a pediatric intensive care unit over a period of 18 months...
April 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28540511/timed-written-picture-naming-in-14-european-languages
#3
Mark Torrance, Guido Nottbusch, Rui A Alves, Barbara Arfé, Lucile Chanquoy, Evgeny Chukharev-Hudilainen, Ioannis Dimakos, Raquel Fidalgo, Jukka Hyönä, Ómar I Jóhannesson, George Madjarov, Dennis N Pauly, Per Henning Uppstad, Luuk van Waes, Michael Vernon, Åsa Wengelin
We describe the Multilanguage Written Picture Naming Dataset. This gives trial-level data and time and agreement norms for written naming of the 260 pictures of everyday objects that compose the colorized Snodgrass and Vanderwart picture set (Rossion & Pourtois in Perception, 33, 217-236, 2004). Adult participants gave keyboarded responses in their first language under controlled experimental conditions (N = 1,274, with subsamples responding in Bulgarian, Dutch, English, Finnish, French, German, Greek, Icelandic, Italian, Norwegian, Portuguese, Russian, Spanish, and Swedish)...
May 24, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28540236/risk-factors-for-acute-renal-failure-in-nephrectomized-patients-treated-in-a-university-hospital
#4
João Paulo Pretti Fantin, Ronaldo de Carvalho Neiva, Marcio Gatti, Pedro Ferraz de Arruda, José Germano Ferraz de Arruda, Thiago Antoniassi, Luís Cesar Fava Spessoto, José Carlos Mesquita, Lilian Castiglioni, Fernando-Nestor Fácio-Júnior
BACKGROUND: New surgical techniques for nephrectomy mainly related to early diagnosis made possible by advances in imaging studies have been developed in recent decades. However, postoperative renal dysfunction is a constant concern because of the major problems faced by healthcare services and by the patients themselves. To assess risk factors for developing acute renal failure (ARF) in patients submitted to nephrectomy in a university hospital. METHODS: Seventy-seven patients submitted to nephrectomy for benign and malignant diseases in a university hospital were evaluated in respect to preoperative and postoperative creatinine clearance...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28537429/core-outcome-measures-for-clinical-research-in-acute-respiratory-failure-survivors-an-international-modified-delphi-consensus-study
#5
Dale M Needham, Kristin A Sepulveda, Victor D Dinglas, Caroline M Chessare, Lisa Aronson Friedman, Clifton O Bingham Iii, Alison E Turnbull
RATIONALE: Research evaluating acute respiratory failure (ARF) survivors' outcomes after hospital discharge has substantial heterogeneity in measurement instruments used, creating barriers to synthesizing study data. OBJECTIVES: To identify a minimum set of core outcome measures that are essential to include in all clinical research studies evaluating ARF survivors after discharge. METHODS: A three-round modified Delphi consensus process with 77 participants (47% female, 55% outside USA), including clinical researchers from >16 countries across 6 continents, patients/caregivers, clinicians, and research funders...
May 24, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28537035/characteristics-of-columnar-aerosol-optical-and-microphysical-properties-retrieved-from-the-sun-photometer-and-its-impact-on-radiative-forcing-over-skukuza-south-africa-during-1999-2010
#6
Ayodele Joseph Adesina, Stuart Piketh, Raghavendra Kumar Kanike, Sivakumar Venkataraman
The detailed analysis of columnar optical and microphysical properties of aerosols obtained from the AErosol RObotic NETwork (AERONET) Cimel sun photometer operated at Skukuza (24.98° S, 31.60° E, 150 m above sea level), South Africa was carried out using the level 2.0 direct sun and inversion products measured during 1999-2010. The observed aerosol optical depth (AOD) was generally low over the region, with high values noted in late winter (August) and mid-spring (September and October) seasons. The major aerosol types found during the study period were made of 3...
May 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28534679/laser-induced-photofragmentation-fluorescence-imaging-of-alkali-compounds-in-flames
#7
Tomas Leffler, Christian Brackmann, Marcus Aldén, Zhongshan Li
Laser-induced photofragmentation fluorescence has been investigated for the imaging of alkali compounds in premixed laminar methane-air flames. An ArF excimer laser, providing pulses of wavelength 193 nm, was used to photodissociate KCl, KOH, and NaCl molecules in the post-flame region and fluorescence from the excited atomic alkali fragment was detected. Fluorescence emission spectra showed distinct lines of the alkali atoms allowing for efficient background filtering. Temperature data from Rayleigh scattering measurements together with simulations of potassium chemistry presented in literature allowed for conclusions on the relative contributions of potassium species KOH and KCl to the detected signal...
June 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28532702/trimetazidine-in-the-prevention-of-contrast-induced-nephropathy-in-chronic-kidney-disease
#8
Tarek A Ibrahim, Ramzy H El-Mawardy, Ahmed S El-Serafy, Ehab M El-Fekky
BACKGROUND: Contrast induced nephropathy (CIN) may be defined as Acute Renal Failure (ARF) that occurs within 24-72h of exposure to intra-venous or intra-arterial iodinated contrast media that cannot be attributed to other causes. CIN occurs in up to 5% of hospitalized patients with normal renal function prior to injection of contrast media. It occurs more frequently in patients with renal impairment particularly if associated with diabetic nephropathy. Among all procedures utilizing contrast agents for either diagnostic or therapeutic purposes, coronary angiography and percutaneous coronary interventions are associated with the highest rates of CIN...
February 10, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28528779/atypical-articular-presentations-in-indian-children-with-rheumatic-fever
#9
Euden Bhutia, Dinesh Kumar, Mohan Kundal, Sunil Kishore, Atul Juneja
BACKGROUND: The objective of the study was to describe the clinical characteristics of atypical articular presentations during the initial outbreak and recurrence in patients with acute rheumatic fever (ARF) in the paediatric age group. METHODS: This was a retrospective, observational study conducted between January 2012 and December 2014 on all suspected cases of acute rheumatic fever (ARF) fulfilling either WHO 2004 or Australian guidelines with atypical articular manifestations ie, presence of at least one of the following features: duration of symptoms more than three weeks; monoarthritis/arthralgia; involvement of small joints of hand and feet and/or cervical spine and/or hip joint; and, not responding to salicylates in one week...
April 24, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28527031/choroidal-thickness-in-chronic-rhegmatogenous-retinal-detachment-before-and-after-surgery-and-comparison-with-acute-cases
#10
Isil Sayman Muslubas, Mumin Hocaoglu, Mehmet Giray Ersoz, Serra Arf, Murat Karacorlu
PURPOSE: To evaluate subfoveal choroidal thickness (SCT) in cases with chronic rhegmatogenous retinal detachment (RRD), before and after pars plana vitrectomy, and cases with acute RRD using optical coherence tomography. METHODS: This retrospective study included 24 eyes with chronic RRD and 26 eyes with recent-onset RRD. Best corrected visual acuity, intraocular pressure, and SCT were measured and compared between the two groups. Of 24 eyes with chronic RRD, 11 had primary pars plana vitrectomy...
May 19, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28524754/arf-gtpase-interplay-with-rho-gtpases-in-regulation-of-the-actin-cytoskeleton
#11
Vikash Singh, Anthony C Davidson, Peter J Hume, Daniel Humphreys, Vassilis Koronakis
The Arf and Rho subfamilies of small GTPases are nucleotide-dependent molecular switches that act as master regulators of vesicular trafficking and the actin cytoskeleton organization. Small GTPases control cell processes with high fidelity by acting through distinct repertoires of binding partners called effectors. While we understand a great deal about how these GTPases act individually, relatively little is known about how they cooperate, especially in the control of effectors. This review highlights how Arf GTPases collaborate with Rac1 to regulate actin cytoskeleton dynamics at the membrane via recruiting and activating the Wave Regulatory Complex (WRC), a Rho effector that underpins lamellipodia formation and macropinocytosis...
May 19, 2017: Small GTPases
https://www.readbyqxmd.com/read/28523650/ubiquitin-specific-peptidase-5-mediates-histidine-rich-protein-hpn-induced-cell-apoptosis-in-hepatocellular-carcinoma-through-p14-p53-signaling
#12
Yi Liu, Wei-Mao Wang, Li-Yi Zou, Li Li, Lu Feng, Ming-Zhu Pan, Min-Yi Lv, Ying Cao, Hua Wang, Hsiang-Fu Kung, Jian-Xin Pang, Wei-Ming Fu, Jin-Fang Zhang
Hpn is a small histidine-rich cytoplasmic protein from Helicobacter pylori and has been recognized as a high-risk factor for several cancers including gastric cancer, colorectal cancer, and MALT lymphoma. However, the relationship between Hpn and cancers remains elusive. In this study, we discovered that Hpn protein effectively suppressed cell growth and induced apoptosis in hepatocellular carcinoma (HCC). A two-dimensional gel electrophoresis and mass spectrometry-based comparative proteomics was performed to find the molecular targets of Hpn in HCC cells...
May 18, 2017: Proteomics
https://www.readbyqxmd.com/read/28515427/pediatric-vision-screening-using-the-plusoptix-a12c-photoscreener-in-chinese-preschool-children-aged-3-to-4-years
#13
Dan Huang, Xuejuan Chen, Xiaohan Zhang, Yue Wang, Hui Zhu, Hui Ding, Jing Bai, Ji Chen, Zhujun Fu, Zijin Wang, Hu Liu
This study evaluated the performance of plusoptiX A12C in detecting amblyopia risk factors (ARFs) in Chinese children aged 3-to-4-year. PlusoptiX examination was successfully conducted among 1,766 subjects without cycloplegia to detect refractive error, asymmetry and media opacity. Cycloplegic retinoscopy (CR) was conducted on 357 children suspected of having vision abnormalities. Statistical differences between CR and the device were confirmed using the mean spherical value (+1.41 ± 0.87 D versus +1.14 ± 0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28512399/protein-s-negatively-regulates-neural-stem-cell-self-renewal-through-bmi-1-signaling
#14
Katya Zelentsova-Levytskyi, Ziv Talmi, Ghada Abboud-Jarrous, Tal Capucha, Tamar Sapir, Tal Burstyn-Cohen
Revealing the molecular mechanisms underlying neural stem cell self-renewal is a major goal toward understanding adult brain homeostasis. The self-renewing potential of neural stem and progenitor cells (NSPCs) must be tightly regulated to maintain brain homeostasis. We recently reported the expression of Protein S (PROS1) in adult hippocampal NSPCs, and revealed its role in regulation of NSPC quiescence and neuronal differentiation. Here, we investigate the effect of PROS1 on NSPC self-renewal and show that genetic ablation of Pros1 in neural progenitors increased NSPC self-renewal by 50%...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28507441/clinicopathological-significance-of-p14-arf-expression-in-lung-cancer-a-meta-analysis
#15
Fang Wang, Heping Li, Jianting Long, Sheng Ye
BACKGROUND: p14(ARF), a tumor suppressor protein, encoded by the p16 tumor suppressor gene, has been reported to be associated with the clinicopathological features of lung cancer. However, the evaluated outcomes were inconsistent and remained inconclusive. In this study, we conducted a meta-analysis to clarify the significance of p14(ARF) expression in lung cancer pathogenesis. MATERIALS AND METHODS: Electronic databases, PubMed, Web of Knowledge, Embase, and CNKI, were retrieved to collect relevant articles with inclusion and exclusion criteria...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28504350/the-arfgap-protein-moglo3-regulates-the-development-and-pathogenicity-of-magnaporthe-oryzae
#16
Shengpei Zhang, Xiu Liu, Lianwei Li, Rui Yu, Jialiang He, Haifeng Zhang, Xiaobo Zheng, Ping Wang, Zhengguang Zhang
The ADP ribosylation factor (Arf) and the coat protein complex I (COPI) are both involved in vesicle transport. Together with GTPase-activating proteins (ArfGAPs) and guanine exchange factors (ArfGEFs) that regulate the activity of Arf, they govern vesicle formation, COPI trafficking, and the maintenance of the Golgi complex. In an ongoing effort to study the role of membrane trafficking in pathogenesis of the rice blast fungus Magnaporthe oryzae, we identified MoGlo3 as an ArfGAP protein that is homologous to Glo3p of the budding yeast Saccharomyces cerevisiae...
May 15, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28497085/evaluation-of-water-and-electrolytes-disorders-in-severe-acute-diarrhea-patients-treated-by-who-protocol-in-eight-large-hospitals-in-tehran-a-nephrology-viewpoint
#17
Alireza Soleimani, Fatemeh Foroozanfard, Mohammad Reza Tamadon
Introduction: The most common cause of death from diarrhea is the shock caused by dehydration, electrolytes and acid-base disorders. Objectives: The aim of this study was to evaluate water and electrolytes disorders in diarrhea patients after treating severe acute diarrhea. Patients and Methods: In this study we used a historical cohort and studied patients who were hospitalized due to acute diarrhea and were similarly treated for dehydration and water and electrolyte disorders as recommended by the World Health Organization (WHO) guideline...
2017: Journal of Renal Injury Prevention
https://www.readbyqxmd.com/read/28494703/globule-leukocytes-and-other-mast-cells-in-the-mouse-intestine
#18
Peter Vogel, Laura Janke, David M Gravano, Meifen Lu, Deepali V Sawant, Dorothy Bush, Shuyu E, Dario A A Vignali, Asha Pillai, Jerold E Rehg
Only 2 major mast cell (MC) subtypes are commonly recognized in the mouse: the large connective tissue mast cells (CTMCs) and the mucosal mast cells (MMCs). Interepithelial mucosal inflammatory cells, most commonly identified as globule leukocytes (GLs), represent a third MC subtype in mice, which we term interepithelial mucosal mast cells (ieMMCs). This term clearly distinguishes ieMMCs from lamina proprial MMCs (lpMMCs) while clearly communicating their common MC lineage. Both lpMMCs and ieMMCs are rare in normal mouse intestinal mucosa, but increased numbers of ieMMCs are seen as part of type 2 immune responses to intestinal helminth infections and in food allergies...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/28491095/angelica-sinensis-polysaccharide-prevents-hematopoietic-stem-cells-senescence-in-d-galactose-induced-aging-mouse-model
#19
Xinyi Mu, Yanyan Zhang, Jing Li, Jieyu Xia, Xiongbin Chen, Pengwei Jing, Xiaoying Song, Lu Wang, Yaping Wang
Age-related regression in hematopoietic stem/progenitor cells (HSC/HPCs) limits replenishment of the blood and immune system and hence contributes to hematopoietic diseases and declined immunity. In this study, we employed D-gal-induced aging mouse model and observed the antiaging effects of Angelica Sinensis Polysaccharide (ASP), a major active ingredient in dong quai (Chinese Angelica Sinensis), on the Sca-1(+) HSC/HPCs in vivo. ASP treatment prevents HSC/HPCs senescence with decreased AGEs levels in the serum, reduced SA-β-Gal positive cells, and promoted CFU-Mix formation in the D-gal administrated mouse...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28490318/integrated-mrna-and-microrna-transcriptome-variations-in-the-multi-tepal-mutant-provide-insights-into-the-floral-patterning-of-the-orchid-cymbidium-goeringii
#20
Fengxi Yang, Genfa Zhu, Zhen Wang, Hailin Liu, Qingquan Xu, Dan Huang, Chaoyi Zhao
BACKGROUND: Cymbidium goeringii is a very famous traditional orchid plant in China, which is well known for its spectacular and diverse flower morphology. In particular, the multi-tepal mutants have considerable ecological and cultural value. However, the current understanding of the molecular mechanisms of floral patterning and multi-tepal development is limited. In this study, we performed expression profiling of both microRNA (miRNA) and mRNA from wild-type and typical multi-tepal-mutant flowers of C...
May 11, 2017: BMC Genomics
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