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https://www.readbyqxmd.com/read/27922256/statins-in-critical-care-to-give-or-not-to-give
#1
Amr S Omar, Samy Hanoura, Haifa M Aljanubi, Ahmed Mahfouz
Owing to statin's immune modulatory, anti-inflammatory, antioxidant, antithrombotic and endothelial function actions, they are widely used in the critical care settings in diverse disease scenarios. We aim to explore the evidence to globalize the utilization of statins in the intensive care practice for different indications. We carried out a search of the PubMed, Cochrane and EMBASE databases up to January 2016. We included review articles, meta-analyses, and original trials on the effects of statin therapy in the intensive care unit (ICU) combining the following MESH terms: 'satins', 'intensive care, 'cardiac surgery', 'sepsis', 'acute respiratory distress syndrome' 'pneumonia', subarachnoid hemorrhage', traumatic brain injury and 'critical illness'...
December 6, 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/27922230/consensus-statement-on-diagnosis-treatment-and-follow-up-of-cow-s-milk-protein-allergy-among-infants-and-children-in-turkey
#2
Aydan Kansu, Aysel Yüce, Buket Dalgıç, Bülent Enis Şekerel, Fügen Çullu-Çokuğraş, Haluk Çokuğraş
The present paper aims to provide experts' consensus on diagnosis and management of cow's milk protein allergy (CMPA) among infants and children in Turkey, based on review of available evidence-based guidelines, publications and experts' clinical experience. The experts agreed that CMPA diagnosis should be based on symptomatic evaluation and diagnostic elimination diet as followed by implementation of an open challenge test after disappearance of symptoms and confirmation of CMPA diagnosis in re-appearance of symptoms...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27922221/commentary-the-tyranny-of-time-and-the-reality-principle
#3
Russell Gersten
Each of the five articles in this special issue gets "into the weeds" in terms of studying actual classroom or school implementation of evidence-based or promising practices. Virtually all confront the issue of logistics and establishing an infrastructure for ensuring adequate implementation. In general, those studies that ask teachers to change their practice, be it core classwide instruction (Wanzek & Vaughn, this issue) or the whole-class adolescent literacy interventions described in LaRusso et al. (this issue) experienced a good deal more in the way of implementation challenges than those that provided schools with extra services and were able to hire their own personnel to train and oversee as part of an efficacy trial...
December 2016: New Directions for Child and Adolescent Development
https://www.readbyqxmd.com/read/27922200/a-fluorescence-lifetime-based-binding-assay-for-class-iia-histone-deacetylases
#4
Christian Meyners, Monique Mertens, Pablo Wessig, Franz-Josef Meyer-Almes
Class IIa HDACs show extremely low enzymatic activity and no commonly accepted endogenous substrate is known today. Increasing evidence suggests that these enzymes exert their effect rather through molecular recognition of acetylated proteins and recruiting other proteins like HDAC3 to the desired target location. Accordingly, class IIa HDACs like bromodomains have been suggested to act as "Readers" of acetyl marks, whereas enzymatically active HDACs from class I or IIb are called "Erasers" to highlight their capability to remove acetyl groups from acetylated histones or other proteins...
December 6, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27922192/evidence-for-pipecolate-oxidase-in-mediating-protection-against-hydrogen-peroxide-stress
#5
Sathish Kumar Natarajan, Ezhumalai Muthukrishnan, Oleh Khalimonchuk, Justin L Mott, Donald F Becker
Pipecolate, an intermediate of the lysine catabolic pathway, is oxidized to Δ(1) -piperideine-6-carboxylate (P6C) by the flavoenzyme L-pipecolate oxidase (PIPOX). P6C spontaneously hydrolyzes to generate α-aminoadipate semialdehyde, which is then converted into α-aminoadipate acid by α-aminoadipatesemialdehyde dehydrogenase. L-pipecolate was previously reported to protect mammalian cells against oxidative stress. Here, we examined whether PIPOX is involved in the mechanism of pipecolate stress protection...
December 6, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27922187/tomentosin-induces-telomere-shortening-and-caspase-dependant-apoptosis-in-cervical-cancer-cells
#6
Nawel Merghoub, Hassan El Btaouri, Laila Benbacer, Saïd Gmouh, Chantal Trentesaux, Bertrand Brassart, Mohammed Attaleb, Claudie Madoulet, Thomas Wenner, Saaid Amzazi, Hamid Morjani, Mohamed El Mzibri
Tomentosin, a natural sesquiterpene lactone purified from of Inula viscosa L., was investigated for its anti-proliferative, telomere shortening and apoptotic effects on human cervical cancer HeLa and SiHa cell lines. Tomentosin was found to inhibit the growth of SiHa and HeLa cell lines in dose and time-dependent manner (IC50 values of 7.10 ± 0.78µM and 5.87 ± 0.36µM, respectively after 96h of treatment). As evidenced by TTAGGG telomere length assay, tomentosin target specifically the telomeric overhang lengthening...
December 6, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27922182/retinoid-derivative-tp80-exhibits-anti-hepatitis-c-virus-activity-through-restoration-of-gi-gpx-expression
#7
Nguyen Bao Ngoc, Yukiko Okuno, Masahiko Ajiro, Kei Iida, Masatsugu Denawa, Makoto Yamamoto, Naoya Sakamoto, Hiroyuki Kagechika, Masatoshi Hagiwara
Hepatitis C virus (HCV) is a positive-sense single-stranded RNA virus with an estimated infection in ∼180 million people worldwide, and its chronic infection leads to development of cirrhosis and hepatocellular carcinoma. Although recent development of direct acting antiviral (DAA) compounds improved anti-HCV regimens, alternative therapeutic compounds are still demanded due to an expected emergence of escape mutants for those DAAs. In order to identify novel anti-HCV agents, we conducted chemical library screening for 2,086 compounds using HCV Rep-Feo reporter replicon in Huh7 hepatoma cells...
December 6, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27922168/update-of-the-swiss-guidelines-on-post-treatment-lyme-disease-syndrome
#8
Johannes Nemeth, Enos Bernasconi, Ulrich Heininger, Mohamed Abbas, David Nadal, Carol Strahm, Stefan Erb, Stefan Zimmerli, Hansjakob Furrer, Julie Delaloye, Thierry Kuntzer, Ekkehard Altpeter, Mathias Sturzenegger, Rainer Weber, For The Swiss Society For Infectious Diseases And The Swiss Society For Neurology
Lyme borreliosis is caused by Borrelia burgdorferi sensu lato infection, which responds well to antibiotic therapy in the overwhelming majority of cases. However, despite adequate antibiotic treatment some patients report persisting symptoms which are commonly summarised as post-treatment Lyme disease syndrome (PTLDS). In 2005, the Swiss Society of Infectious Diseases published a case definition for PTLDS. We aimed to review the scientific literature with a special emphasis on the last 10 years, questioning whether the definitions from 2005 are still valid in the light of current knowledge...
2016: Swiss Medical Weekly
https://www.readbyqxmd.com/read/27922162/nonmelanoma-skin-cancer-in-mountain-guides-high-prevalence-and-lack-of-awareness-warrant-development-of-evidence-based-prevention-tools
#9
Alexander Zink, Elisabeth Koch, Florian Seifert, Markus Rotter, Christoph D Spinner, Tilo Biedermann
AIMS OF THE STUDY: Nonmelanoma skin cancer (NMSC) is the most common cancer in Switzerland and Europe. The main causative factor is exposure to ultraviolet radiation, which puts outdoor workers in general at a higher risk of developing NMSC than indoor workers. However, few studies have clinically examined the risk of developing NMSC to outdoor workers, especially mountain guides. We aimed to investigate the prevalence of NMSC and corresponding precancerous lesions, and the associated risk behaviour of mountain and ski guides in order to develop future prevention programmes...
2016: Swiss Medical Weekly
https://www.readbyqxmd.com/read/27922139/are-low-sun-exposure-and-or-vitamin-d-risk-factors-for-type-1-diabetes
#10
K M Miller, P H Hart, N H de Klerk, E A Davis, R M Lucas
The global variation in type 1 diabetes (T1D) incidence rates is one of the most significant observed for any non-communicable disease. Geographical patterns in incidence suggest that low sun exposure may contribute to the wide disparity, with incidence rates generally increasing with distance from the Equator. T1D development is associated with hyperactivity of the adaptive immune system leading to autoimmune destruction of insulin-secreting pancreatic β cells. Both exposure to ultraviolet radiation (UVR) and vitamin D, with their known immunosuppressive effects, have the potential to delay or inhibit the disease...
December 6, 2016: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/27922130/the-nmda-receptor-glun2c-subunit-controls-cortical-excitatory-inhibitory-balance-neuronal-oscillations-and-cognitive-function
#11
Subhash C Gupta, Aparna Ravikrishnan, Jinxu Liu, Zhihao Mao, Ratnamala Pavuluri, Brandon G Hillman, Pauravi J Gandhi, Dustin J Stairs, Ming Li, Rajesh R Ugale, Daniel T Monaghan, Shashank M Dravid
Despite strong evidence for NMDA receptor (NMDAR) hypofunction as an underlying factor for cognitive disorders, the precise roles of various NMDAR subtypes remains unknown. The GluN2C-containing NMDARs exhibit unique biophysical properties and expression pattern, and lower expression of GluN2C subunit has been reported in postmortem brains from schizophrenia patients. We found that loss of GluN2C subunit leads to a shift in cortical excitatory-inhibitory balance towards greater inhibition. Specifically, pyramidal neurons in the medial prefrontal cortex (mPFC) of GluN2C knockout mice have reduced mEPSC frequency and dendritic spine density and a contrasting higher frequency of mIPSCs...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922103/hypothalamic-activation-is-essential-for-endotoxemia-induced-acute-muscle-wasting
#12
Kaipeng Duan, Qiyi Chen, Minhua Cheng, Chenyan Zhao, Zhiliang Lin, Shanjun Tan, Fengchan Xi, Tao Gao, Jialiang Shi, Juanhong Shen, Weiqin Li, Wenkui Yu, Jieshou Li, Ning Li
Growing evidence suggests acute skeletal muscle wasting is a key factor affecting nutritional support and prognosis in critical patients. Previously, plenty of studies of muscle wasting focused on the peripheral pathway, little was known about the central role. We tested the hypothesis whether central inflammatory pathway and neuropeptides were involved in the process. In lipopolysaccharide (LPS) treated rats, hypothalamic NF-κB pathway and inflammation were highly activated, which was accompanied with severe muscle wasting...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922102/slc2a8-glut8-is-a-mammalian-trehalose-transporter-required-for-trehalose-induced-autophagy
#13
Allyson L Mayer, Cassandra B Higgins, Monique R Heitmeier, Thomas E Kraft, Xia Qian, Jan R Crowley, Krzysztof L Hyrc, Wandy L Beatty, Kevin E Yarasheski, Paul W Hruz, Brian J DeBosch
Trehalose is a disaccharide demonstrated to mitigate disease burden in multiple murine neurodegenerative models. We recently revealed that trehalose rapidly induces hepatic autophagy and abrogates hepatic steatosis by inhibiting hexose transport via the SLC2A family of facilitative transporters. Prior studies, however, postulate that intracellular trehalose is sufficient to induce cellular autophagy. The objective of the current study was to identify the means by which trehalose accesses the hepatocyte cytoplasm, and define the distal signaling mechanisms by which trehalose induces autophagy...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922097/arctic-megaslide-at-presumed-rest
#14
Wolfram H Geissler, A Catalina Gebhardt, Felix Gross, Jutta Wollenburg, Laura Jensen, Mechita C Schmidt-Aursch, Sebastian Krastel, Judith Elger, Giacomo Osti
Slope failure like in the Hinlopen/Yermak Megaslide is one of the major geohazards in a changing Arctic environment. We analysed hydroacoustic and 2D high-resolution seismic data from the apparently intact continental slope immediately north of the Hinlopen/Yermak Megaslide for signs of past and future instabilities. Our new bathymetry and seismic data show clear evidence for incipient slope instability. Minor slide deposits and an internally-deformed sedimentary layer near the base of the gas hydrate stability zone imply an incomplete failure event, most probably about 30000 years ago, contemporaneous to or shortly after the Hinlopen/Yermak Megaslide...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922096/enantiomer-signature-and-carbon-isotope-evidence-for-the-migration-and-transformation-of-ddts-in-arable-soils-across-china
#15
Lili Niu, Chao Xu, Siyu Zhu, Huiming Bao, Yang Xu, Hongyi Li, Zhijian Zhang, Xichang Zhang, Jiguo Qiu, Weiping Liu
Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The geographically total DDT concentrations are higher in eastern than western China. The EFs and δ(13)C of o,p'-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922078/malat1-and-hotair-long-non-coding-rnas-play-opposite-role-in-estrogen-mediated-transcriptional-regulation-in-prostate-cancer-cells
#16
Aurora Aiello, Lorenza Bacci, Agnese Re, Cristian Ripoli, Francesco Pierconti, Francesco Pinto, Riccardo Masetti, Claudio Grassi, Carlo Gaetano, Pier Francesco Bassi, Alfredo Pontecorvi, Simona Nanni, Antonella Farsetti
In the complex network of nuclear hormone receptors, the long non-coding RNAs (lncRNAs) are emerging as critical determinants of hormone action. Here we investigated the involvement of selected cancer-associated lncRNAs in Estrogen Receptor (ER) signaling. Prior studies by Chromatin Immunoprecipitation (ChIP) Sequencing showed that in prostate cancer cells ERs form a complex with the endothelial nitric oxide synthase (eNOS) and that in turn these complexes associate with chromatin in an estrogen-dependent fashion...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922070/deep-sequencing-of-the-16s-ribosomal-rna-of-the-neonatal-oral-microbiome-a-comparison-of-breast-fed-and-formula-fed-infants
#17
S S Al-Shehri, E L Sweeney, D M Cowley, H G Liley, P D Ranasinghe, B G Charles, P N Shaw, D Vagenas, J A Duley, C L Knox
In utero and upon delivery, neonates are exposed to a wide array of microorganisms from various sources, including maternal bacteria. Prior studies have proposed that the mode of feeding shapes the gut microbiota and, subsequently the child's health. However, the effect of the mode of feeding and its influence on the development of the neonatal oral microbiota in early infancy has not yet been reported. The aim of this study was to compare the oral microbiota of healthy infants that were exclusively breast-fed or formula-fed using 16S-rRNA gene sequencing...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922054/first-insight-into-the-proteome-landscape-of-the-porcine-short-posterior-ciliary-arteries-key-signalling-pathways-maintaining-physiologic-functions
#18
Caroline Manicam, Natarajan Perumal, Norbert Pfeiffer, Franz H Grus, Adrian Gericke
Short posterior ciliary arteries (sPCA) provide the major blood supply to the optic nerve head. Emerging evidence has linked structural and functional anomalies of sPCA to the pathogenesis of several ocular disorders that cause varying degrees of visual loss, particularly anterior ischaemic optic neuropathy and glaucoma. Although the functional relevance of this vascular bed is well-recognized, the proteome of sPCA remains uncharacterized. Since the porcine ocular system closely resembles that of the human's and is increasingly employed in translational ophthalmic research, this study characterized the proteome of porcine sPCA employing the mass spectrometry-based proteomics strategy...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922053/electrophysiological-properties-of-ca1-pyramidal-neurons-along-the-longitudinal-axis-of-the-mouse-hippocampus
#19
Giampaolo Milior, Maria Amalia Di Castro, Livio Pepe' Sciarria, Stefano Garofalo, Igor Branchi, Davide Ragozzino, Cristina Limatola, Laura Maggi
Evidence for different physiological properties along the hippocampal longitudinal axis is emerging. Here, we examined the electrophysiological features of neurons at different dorso-ventral sites of the mouse CA1 hippocampal region. Cell position was defined with respect to longitudinal coordinates of each slice. We measured variations in neuronal excitability, subthreshold membrane properties and neurotransmitter responses along the longitudinal axis. We found that (i) pyramidal cells of the dorsal hippocampus (DH) were less excitable than those of the ventral hippocampus (VH)...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922044/from-tumour-heterogeneity-to-advances-in-precision-treatment-of-colorectal-cancer
#20
REVIEW
Cornelis J A Punt, Miriam Koopman, Louis Vermeulen
In recent years, the high heterogeneity of colorectal cancer (CRC) has become evident. Hence, biomarkers need to be developed that enable the stratification of patients with CRC into different prognostic subgroups and in relation to response to therapies, according to the distinctive tumour biology. Currently, only RAS-mutation status is used routinely as a negative predictive marker to avoid treatment with anti-EGFR agents in patients with metastatic CRC, and mismatch-repair status can guide the use of adjuvant chemotherapy in patients with early stage colon cancer...
December 6, 2016: Nature Reviews. Clinical Oncology
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