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https://www.readbyqxmd.com/read/28097461/sonoelectrochemical-synthesis-of-nano-zinc-ii-complex-with-2-methyl-8-hydroxyquinoline-ligand-a-precursor-to-produce-pure-phase-nano-sized-zinc-ii-oxide
#1
Vida Jodaian, Akram Shahrjerdi, Pari Mirahmadpour
A new zinc complex, [Zn(mq)2], (mq = 2-methyl-8-hydroxyquinoline) was prepared via an electrochemical route from the oxidation of zinc metal in the presence of 2-methyl-8-hydroxyquinoline in a fast and facile process. The complex was fully characterized by means of NMR and IR spectra and elemental analysis. The nanostructure of the prepared compound was obtained by sonoelectrochemical process and studied by scanning electron microscopy, X-ray powder diffraction, IR spectroscopy and elemental analysis. Thermal stability of crystalline bulk and nano-size samples of the prepared compound was studied by thermal gravimetric and differential thermal analysis...
January 17, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28093644/guidelines-for-proton-pump-inhibitor-prescriptions-in-paediatric-intensive-care-unit
#2
P Joret-Descout, S Dauger, M Bellaiche, O Bourdon, S Prot-Labarthe
Background Stress ulcer prophylaxis (SUP) is recommended in some situations to prevent upper gastrointestinal bleeding and is a component of standard care for patients admitted to the intensive care unit (ICU). Proton pump inhibitors (PPIs), already among the most widely prescribed drug classes, are being increasingly used. Objective To describe PPI prescribing patterns and their changes after the dissemination of guidelines. Setting Paediatric ICU (PICU), Robert-Debré Teaching Hospital, Paris, France, which admits about 800 patients annually, from full-term neonates to 18-year-olds...
January 17, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28093061/polyphyllin-ii-restores-sensitization-of-the-resistance-of-pc-9-zd-cells-to-gefitinib-by-a-negative-regulation-of-the-pi3k-akt-mtor-signaling-pathway
#3
Ruzhen Zheng, Hao Jiang, Jinhui Li, Xinge Liu, Hongwei Xu
: EGFR tyrosine kinase inhibitors (TKIs) are widely used for advanced non-small cell lung cancer (NSCLC) patients with a sensitizing EGFR mutation and provide a promising treatment strategy. However, acquired resistance to EGFR-TKIs restrict their application. The mechanisms underlying acquired resistance to TKIs have been explored and Phosphoinositide 3-kinase (PI3K)/Akt/mTOR pathway plays a very important role in NSCLC development as well as EGFR-TKI resistance. Polyphyllin II(PP II) is the main steroidal saponin constituent which derives from the root of Paris polychylia...
December 13, 2016: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28089988/cell-scientist-to-watch-edgar-gomes
#4
(no author information available yet)
Edgar Gomes earned his PhD at the University of Coimbra in Portugal under the supervision of Carlos Duarte. He then travelled to the USA to train as a postdoctoral fellow in the laboratory of Gregg Gundersen at Columbia University in New York. Before moving back to Portugal in 2014, Edgar was a group leader in the Myology Institute at the University of Pierre and Marie Curie in Paris (France) as an INSERM Avenir Fellow. His lab investigates the mechanisms of nuclear positioning in skeletal muscle and in migrating cells...
January 15, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28089745/dermoid-cysts-clinical-predictors-of-complex-lesions-and-surgical-complications
#5
Lucas T Lenci, Pari Shams, Erin M Shriver, Richard C Allen
PURPOSE: To evaluate the clinical characteristics and role of imaging in the evaluation of dermoid cysts and to determine predictors of cyst rupture during surgical excision of dermoid cysts. METHODS: In this single-center, consecutive, nonrandomized comparative case series, the records of consecutive patients with suspected dermoid cysts who underwent surgery between January 1, 2000, and December 31, 2014, were reviewed retrospectively for demographic information, clinical findings, preoperative imaging, surgical details, and pathology reports...
January 9, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28089368/the-transition-from-pediatric-to-adult-care-for-youth-with-epilepsy-basic-biological-sociological-and-psychological-issues
#6
REVIEW
Peter Camfield, Carol Camfield, Kanetee Busiah, David Cohen, Alison Pack, Rima Nabbout
Transition from pediatric to adult health care for adolescents with epilepsy is challenging for the patient, family, and health care workers. This paper is the first of three that summarize the main findings from the 2nd Symposium on Transition in Epilepsies, held in Paris from June 14-25, 2016. In this paper we describe five basic themes that have an important effect on transition. First, there are important brain changes in adolescence that leave an imbalance between risk taking and pleasure seeking behaviors and frontal executive function compared with adults...
January 12, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28089214/prevalence-of-chronic-pancreatitis-results-of-a-primary-care-physician-based-population-study
#7
Gabriele Capurso, Livia Archibugi, Piera Pasquali, Alessandro Aceti, Paolo Balducci, Patrizia Bianchi, Francesco Buono, Stefano Camerucci, Rosanna Cantarini, Sergio Centofanti, Patrizia Colantonio, Riccarda Cremaschi, Sergio Crescenzi, Caterina Di Mauro, Davide Di Renzi, Andrea Filabozzi, Alfonso Fiorillo, Giuseppe Giancaspro, Paola Giovannetti, Giuseppe Lanna, Claudio Medori, Emilio Merletti, Enzo Nunnari, Francesca Paris, Marco Pavone, Angela Piacenti, Almerindo Rossi, Maria Cristina Scamuffa, Giovanni Spinelli, Marco Taborchi, Biagio Valente, Antonella Villanova, Alberto Chiriatti, Gianfranco Delle Fave
BACKGROUND: Data on chronic pancreatitis prevalence are scanty and usually limited to hospital-based studies. AIM: Investigating chronic pancreatitis prevalence in primary care. METHODS: Participating primary care physicians reported the prevalence of chronic pancreatitis among their registered patients, environmental factors and disease characteristics. The data were centrally reviewed and chronic pancreatitis cases defined according to M-ANNHEIM criteria for diagnosis and severity and TIGAR-O classification for etiology...
December 27, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28088732/apelin-13-protects-rat-primary-cortical-glia-neuron-co-culture-against-pentylenetetrazole-induced-toxicity
#8
Taj Pari Kalantaripour, Saeed Esmaeili-Mahani, Vahid Sheibani, Hamid Najafipour, Majid Asadi-Shekaari M
In spite of recent advances in the treatment of epilepsy, up to 35% of people living with the condition do not respond to accessible anti-epileptic drugs (AEDs) and continue to experience regular, devastating and potentially life-threatening seizures. Neuronal death is a significant feature of epilepsy in humans and experimental models. It has been reported that apelin, an endogenous ligand for the angiotensin-1-like receptor (APJ), has anticonvulsive as well as protective effects in some neurodegenerative situations...
January 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28088315/paris-saponin-induced-autophagy-promotes-breast-cancer-cell-apoptosis-via-the-akt-mtor-signaling-pathway
#9
Zhan-Zhi Xie, Man-Mei Li, Peng-Fei Deng, Sheng Wang, Lei Wang, Xue-Ping Lu, Liu-Bing Hu, Zui Chen, Hui-Yang Jie, Yi-Fei Wang, Xiao-Xiao Liu, Zhong Liu
Paris saponins possess anticancer, anti-inflammatory, and antiviral effects. However, the anticancer effect of Paris saponins has not been well elucidated and the mechanisms underlying the potential function of Paris saponins in cancer therapy are needed to be further identify. In this study, we report that saponin compounds isolated from Paris polyphylla exhibited antitumor activity against breast cancer cell lines, MCF-7 and MDA-MB-231. Paris saponin XA-2 induced apoptosis in both cell lines, as evidenced by the activation of caspases and cleavage of Poly (ADP-ribose) polymerase...
January 11, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28087362/clinical-phenotypes-and-outcomes-of-heritable-and-sporadic-pulmonary-veno-occlusive-disease-a-population-based-study
#10
David Montani, Barbara Girerd, Xavier Jaïs, Marilyne Levy, David Amar, Laurent Savale, Peter Dorfmüller, Andrei Seferian, Edmund M Lau, Mélanie Eyries, Jérôme Le Pavec, Florence Parent, Damien Bonnet, Florent Soubrier, Elie Fadel, Olivier Sitbon, Gérald Simonneau, Marc Humbert
BACKGROUND: Bi-allelic mutations of the EIF2AK4 gene cause heritable pulmonary veno-occlusive disease and/or pulmonary capillary haemangiomatosis (PVOD/PCH). We aimed to assess the effect of EIF2AK4 mutations on the clinical phenotypes and outcomes of PVOD/PCH. METHODS: We did a population-based study using clinical, functional, and haemodynamic data from the registry of the French Pulmonary Hypertension Network. We reviewed the clinical data and outcomes from all patients referred to the French Referral Centre (Pulmonary Department, Hospital Kremlin-Bicêtre, University Paris-Sud) with either confirmed or highly probable PVOD/PCH with DNA available for mutation screening (excluding patients with other risk factors of pulmonary hypertension, such as chronic respiratory diseases)...
January 10, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28081548/serum-ldh-predicts-benefit-from-bevacizumab-beyond-progression-in-metastatic-colorectal-cancer
#11
Federica Marmorino, Lisa Salvatore, Cecilia Barbara, Giacomo Allegrini, Lorenzo Antonuzzo, Gianluca Masi, Fotios Loupakis, Beatrice Borelli, Silvana Chiara, Maria Chiara Banzi, Emanuela Miraglio, Domenico Amoroso, Francesco Dargenio, Andrea Bonetti, Angelo Martignetti, Myriam Paris, Daniela Tomcikova, Luca Boni, Alfredo Falcone, Chiara Cremolini
BACKGROUND: Different antiangiogenics are currently indicated in the second-line treatment of metastatic colorectal cancer (mCRC), following a first-line bevacizumab-containing treatment. The magnitude of benefit is limited, but no predictors of benefit have been identified. METHODS: A total of 184 mCRC patients progressing to a first-line bevacizumab-containing treatment were randomised in the BEBYP study to continue or not the antiangiogenic in combination with a second-line chemotherapy...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28079490/paris-vs-prague-a-suspicion-of-fraud-ernst-mach-argues-over-photographs-and-epistemological-prerequisites
#12
Christoph Hoffmann
Argument In spring 1888, an anonymous critic raised severe doubts about Ernst Mach's and Peter Salcher's studies, published one year before, on the processes in the air caused by very rapid projectiles. Paraphrasing the experiments for the French popular science magazine La Nature, the critic insinuated that the photographs upon which Mach and Salcher's argument were ostensibly based must have been of such low quality that they did not allow any well-founded conclusion. The critic did not deny the phenomena Mach and Salcher had presented in their article; he denied that the photographs taken in the course of the experiments could permit any observation of the phenomena...
December 2016: Science in Context
https://www.readbyqxmd.com/read/28078567/the-c-abl-inhibitor-in-parkinson-disease
#13
REVIEW
Zhi-Hua Zhou, Yun-Fan Wu, Xue-Min Wang, Yong-Zhu Han
Parkinson's disease (PD) is an insidious onset neurodegenerative disease affecting approximately 1% of the population over the age of 65. So far available therapies for PD have only aimed at improving or alleviating symptoms, but not at slowing, preventing, and reversing the course of PD. Recently, some studies have indicated that the levels and activation of Abelson non-receptor tyrosine kinase (c-Abl, Abl1) were up-regulated in the brain tissue of patients with PD and demonstrated that c-Abl inhibitors could improve motor behavior, prevent the loss of dopamine neurons, inhibit phosphorylation of Cdk5, regulate α-synuclein phosphorylation and clearance, inhibit the tyrosine phosphorylation of parkin and decrease parkin substrate, for example, PARIS (zinc finger protein 746), AIMP2 (aminoacyl-tRNA synthetase-interacting multifunctional protein type2), FBP1 (fuse-binding protein 1), and synphilin-1...
January 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28077412/microvascular-outcomes-after-metabolic-surgery-moms-in-patients-with-type-2-diabetes-mellitus-and-class-i-obesity-rationale-and-design-for-a-randomised-controlled-trial
#14
Ricardo Vitor Cohen, Tiago Veiga Pereira, Cristina Mamédio Aboud, Pedro Paulo de Paris Caravatto, Tarissa Beatrice Zanata Petry, José Luis Lopes Correa, Carlos Aurélio Schiavon, Mariangela Correa, Carlos Eduardo Pompílio, Fernando Nogueira Quirino Pechy, Carel le Roux
INTRODUCTION: There are several randomised controlled trials (RCTs) that have already shown that metabolic/bariatric surgery achieves short-term and long-term glycaemic control while there are no level 1A of evidence data regarding the effects of surgery on the microvascular complications of type 2 diabetes mellitus (T2DM). PURPOSE: The aim of this trial is to investigate the long-term efficacy and safety of the Roux-en-Y gastric bypass (RYGB) plus the best medical treatment (BMT) versus the BMT alone to improve microvascular outcomes in patients with T2DM with a body mass index (BMI) of 30-34...
January 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28077235/drivers-of-poor-medical-care
#15
REVIEW
Vikas Saini, Sandra Garcia-Armesto, David Klemperer, Valerie Paris, Adam G Elshaug, Shannon Brownlee, John P A Ioannidis, Elliott S Fisher
The global ubiquity of overuse and underuse of health-care resources and the gravity of resulting harms necessitate an investigation of drivers to inform potential solutions. We describe the network of influences that contribute to poor care and suggest that it is driven by factors that fall into three domains: money and finance; knowledge, bias, and uncertainty; and power and human relationships. In each domain the drivers operate at the global, national, regional, and individual level, and are modulated by the specific contexts within which they act...
January 6, 2017: Lancet
https://www.readbyqxmd.com/read/28076360/consequences-of-global-warming-of-1-5-%C3%A2-c-and-2-%C3%A2-c-for-regional-temperature-and-precipitation-changes-in-the-contiguous-united-states
#16
Ambarish V Karmalkar, Raymond S Bradley
The differential warming of land and ocean leads to many continental regions in the Northern Hemisphere warming at rates higher than the global mean temperature. Adaptation and conservation efforts will, therefore, benefit from understanding regional consequences of limiting the global mean temperature increase to well below 2°C above pre-industrial levels, a limit agreed upon at the United Nations Climate Summit in Paris in December 2015. Here, we analyze climate model simulations from the Coupled Model Intercomparison Project Phase 5 (CMIP5) to determine the timing and magnitude of regional temperature and precipitation changes across the contiguous United States (US) for global warming of 1...
2017: PloS One
https://www.readbyqxmd.com/read/28075619/role-of-ct-in-the-diagnosis-of-nonspecific-abdominal-pain-a-multicenter-analysis
#17
Jonathan D Eisenberg, Andrew T Reisner, William D Binder, Atif Zaheer, Martin L Gunn, Ken F Linnau, Chad M Miller, Angela C Tramontano, Maurice S Herring, Emily C Dowling, Elkan F Halpern, Karen Donelan, G Scott Gazelle, Pari V Pandharipande
OBJECTIVE: The objective of our study was to determine whether specific patient and physician factors-known before CT-are associated with a diagnosis of nonspecific abdominal pain (NSAP) after CT in the emergency department (ED). MATERIALS AND METHODS: We analyzed data originally collected in a prospective multicenter study. In the parent study, we identified ED patients referred to CT for evaluation of abdominal pain. We surveyed their physicians before and after CT to identify changes in leading diagnoses, diagnostic confidence, and admission decisions...
January 11, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28074598/prediction-of-skin-sensitization-potency-using-machine-learning-approaches
#18
Qingda Zang, Michael Paris, David M Lehmann, Shannon Bell, Nicole Kleinstreuer, David Allen, Joanna Matheson, Abigail Jacobs, Warren Casey, Judy Strickland
The replacement of animal use in testing for regulatory classification of skin sensitizers is a priority for US federal agencies that use data from such testing. Machine learning models that classify substances as sensitizers or non-sensitizers without using animal data have been developed and evaluated. Because some regulatory agencies require that sensitizers be further classified into potency categories, we developed statistical models to predict skin sensitization potency for murine local lymph node assay (LLNA) and human outcomes...
January 10, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28073973/human-foetal-ovary-shares-meiotic-preventing-factors-with-the-developing-testis
#19
Nelly Frydman, Marine Poulain, Brahim Arkoun, Clotilde Duquenne, Sophie Tourpin, Sébastien Messiaen, René Habert, Virginie Rouiller-Fabre, Alexandra Benachi, Gabriel Livera
STUDY QUESTION: How can pre-meiotic germ cells persist in the human foetal ovary? SUMMARY ANSWER: Numerous oogonia escaping meiotic entry were retrieved throughout human ovarian development simultaneously with the expression of signalling pathways preventing meiosis, typically described in the rodent embryonic testis. WHAT IS KNOWN ALREADY: The transition from mitosis to meiosis is a key event in female germ cells that remains poorly documented in research on the human ovary...
January 9, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28073906/mri-follow-up-is-unnecessary-in-patients-with-macroprolactinomas-and-long-term-normal-prolactin-levels-on-dopamine-agonist-treatment
#20
Juliette Eroukhmanoff, Isabelle Tejedor, Iulia Potorac, Thomas Cuny, Jean Francois Bonneville, Henry Dufour, Georges Weryha, Albert Beckers, Philippe Touraine, Thierry Brue, Frédéric Castinetti
OBJECTIVE Both antitumor and antisecretory efficacies of dopamine agonists (DA) make them the first line treatment of macroprolactinomas. However, there is no guideline for MRI follow-up once prolactin is controlled. The aim of our study was to determine whether a regular MRI follow-up was necessary in patients with long-term normal prolactin levels under DA. PATIENTS AND METHODS We conducted a retrospective multicenter study (Marseille, Paris La Pitie Salpetriere and Nancy, France; Liege, Belgium) including patients with macroprolactinomas (largest diameter > 10 mm, baseline prolactin level > 100 ng/mL) treated by dopamine agonists, and regularly followed (pituitary MRI and prolactin levels) during at least 48 months once normal prolactin level was obtained...
January 10, 2017: European Journal of Endocrinology
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