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Rapid-sequence induction

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https://www.readbyqxmd.com/read/28701342/activating-transcription-factor-3-promotes-loss-of-the-acinar-cell-phenotype-in-response-to-cerulein-induced-pancreatitis-in-mice
#1
Elena N Fazio, Claire C Young, Jelena Toma, Michael Levy, Kurt R Berger, Charis L Johnson, Rashid Mehmood, Patrick Swan, Alphonse Chu, Sean P Cregan, F Jeffrey Dilworth, Christopher J Howlett, Christopher L Pin
Pancreatitis is a debilitating disease of the exocrine pancreas that, under chronic conditions, is a major susceptibility factor for pancreatic ductal adenocarcinoma (PDAC). While down-regulation of genes that promote the mature acinar cell fate is required to reduce injury associated with pancreatitis, the factors that promote this repression are unknown. Activating transcription factor 3 (ATF3) is a key mediator of the unfolded protein response, a pathway rapidly activated during pancreatic insult. Using chromatin immunoprecipitation followed by Next Generation Sequencing, we show that ATF3 is bound to the transcriptional regulatory regions of more than 30% of differentially expressed genes during the initiation of pancreatitis...
July 12, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28673543/autogenous-control-of-5-top-mrna-stability-by-40s-ribosomes
#2
Antonio Gentilella, Francisco D Morón-Duran, Pedro Fuentes, Guilherme Zweig-Rocha, Ferran Riaño-Canalias, Joffrey Pelletier, Marta Ruiz, Gemma Turón, Julio Castaño, Albert Tauler, Clara Bueno, Pablo Menéndez, Sara C Kozma, George Thomas
Ribosomal protein (RP) expression in higher eukaryotes is regulated translationally through the 5'TOP sequence. This mechanism evolved to more rapidly produce RPs on demand in different tissues. Here we show that 40S ribosomes, in a complex with the mRNA binding protein LARP1, selectively stabilize 5'TOP mRNAs, with disruption of this complex leading to induction of the impaired ribosome biogenesis checkpoint (IRBC) and p53 stabilization. The importance of this mechanism is underscored in 5q(-) syndrome, a macrocytic anemia caused by a large monoallelic deletion, which we found to also encompass the LARP1 gene...
June 26, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28673505/the-first-sign-of-loss-of-consciousness
#3
B S Typ Whinnery, Estrella M Forster
The first clinically observable sign of an unconsciousness episode (UNCE) serves as the temporal sequence (kinetics) onset point for neurological events occurring during the loss of consciousness, unconsciousness and recovery of consciousness phases of the UNCE. The initial neurologic signs of 212 individuals exposed to gradual (N=114) and rapid (N=98) onset +Gz acceleration stress, inducing the ischemic LOC phase in 83.3±18.6s and 8.89±1.52s; p<0.001respectively, were determined. The duration of the unconscious phase (considered absolute incapacitation) was 10...
June 30, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28654173/rocuronium-vs-succinylcholine-for-rapid-sequence-intubation-a%C3%A2-cochrane-systematic-review
#4
REVIEW
D T T Tran, E K Newton, V A H Mount, J S Lee, C Mansour, G A Wells, J J Perry
This systemic review was performed to determine whether rocuronium creates intubating conditions comparable to those of succinylcholine during rapid sequence intubation of the trachea. We searched the Cochrane Central Register of Controlled Trials (CENTRAL; 2015, Issue 2), MEDLINE (1966 to February Week 2 2015), and EMBASE (1988 to February 14 2015) for any randomised controlled trials or controlled clinical trials that reported intubating conditions comparing rocuronium and succinylcholine for rapid or modified rapid sequence intubation...
June 2017: Anaesthesia
https://www.readbyqxmd.com/read/28650572/cloning-and-characterization-of-nitrate-reductase-gene-in-ulva-prolifera-ulvophyceae-chlorophyta
#5
Yang Guo, Hao Zhe Wang, Chun Hui Wu, Hui Hui Fu, Peng Jiang
Ulva spp. dominates green tides around the world, which are occurring at an accelerated rate. The competitive nitrogen assimilation efficiency in Ulva is suggested to result in ecological success against other seaweeds. However, molecular characterization of genes involved in nitrogen assimilation have not been conducted. Here, we describe the identification of the nitrate reductase (NR) gene from a green seaweed Ulva prolifera, an alga which is responsible for the world's largest green tide in the Yellow Sea...
June 26, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28641582/a-multicentre-randomised-controlled-trial-of-levetiracetam-versus-phenytoin-for-convulsive-status-epilepticus-in-children-protocol-convulsive-status-epilepticus-paediatric-trial-consept-a-predict-study
#6
Stuart R Dalziel, Jeremy Furyk, Megan Bonisch, Ed Oakley, Meredith Borland, Jocelyn Neutze, Susan Donath, Cynthia Sharpe, Simon Harvey, Andrew Davidson, Simon Craig, Natalie Phillips, Shane George, Arjun Rao, Nicholas Cheng, Michael Zhang, Kam Sinn, Amit Kochar, Christine Brabyn, Franz E Babl
BACKGROUND: Convulsive status epilepticus (CSE) is the most common life-threatening childhood neurological emergency. Despite this, there is a lack of high quality evidence supporting medication use after first line benzodiazepines, with current treatment protocols based solely on non-experimental evidence and expert opinion. The current standard of care, phenytoin, is only 60% effective, and associated with considerable adverse effects. A newer anti-convulsant, levetiracetam, can be given faster, is potentially more efficacious, with a more tolerable side effect profile...
June 22, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28637924/vp4-and-vp7-specific-antibodies-mediate-heterotypic-immunity-to-rotavirus-in-humans
#7
Nitya Nair, Ningguo Feng, Lisa K Blum, Mrinmoy Sanyal, Siyuan Ding, Baoming Jiang, Adrish Sen, John M Morton, Xiao-Song He, William H Robinson, Harry B Greenberg
Human rotaviruses (RVs) are the leading cause of severe diarrhea in young children worldwide. The molecular mechanisms underlying the rapid induction of heterotypic protective immunity to RV, which provides the basis for the efficacy of licensed monovalent RV vaccines, have remained unknown for more than 30 years. We used RV-specific single cell-sorted intestinal B cells from human adults, barcode-based deep sequencing of antibody repertoires, monoclonal antibody expression, and serologic and functional characterization to demonstrate that infection-induced heterotypic immunoglobulins (Igs) primarily directed to VP5*, the stalk region of the RV attachment protein, VP4, are able to mediate heterotypic protective immunity...
June 21, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28629473/emergency-treatment-with-levetiracetam-or-phenytoin-in-status-epilepticus-in-children-the-eclipse-study-study-protocol-for-a-randomised-controlled-trial
#8
Mark D Lyttle, Carrol Gamble, Shrouk Messahel, Helen Hickey, Anand Iyer, Kerry Woolfall, Amy Humphreys, Naomi E A Bacon, Louise Roper, Franz E Babl, Stuart R Dalziel, Mary Ryan, Richard E Appleton
BACKGROUND: Convulsive status epilepticus (CSE) is the most common life-threatening neurological emergency in childhood. These children are also at risk of significant morbidity, with acute and chronic impact on the family and the health and social care systems. The current recommended first-choice, second-line treatment in children aged 6 months and above is intravenous phenytoin (fosphenytoin in the USA), although there is a lack of evidence for its use and it is associated with significant side effects...
June 19, 2017: Trials
https://www.readbyqxmd.com/read/28624614/gene-transfer-agent-promotes-evolvability-within-the-fittest-subpopulation-of-a-bacterial-pathogen
#9
Maxime Québatte, Matthias Christen, Alexander Harms, Jonas Körner, Beat Christen, Christoph Dehio
The Bartonella gene transfer agent (BaGTA) is an archetypical example for domestication of a phage-derived element to permit high-frequency genetic exchange in bacterial populations. Here we used multiplexed transposon sequencing (TnSeq) and single-cell reporters to globally define the core components and transfer dynamics of BaGTA. Our systems-level analysis has identified inner- and outer-circle components of the BaGTA system, including 55 regulatory components, as well as an additional 74 and 107 components mediating donor transfer and recipient uptake functions...
June 28, 2017: Cell Systems
https://www.readbyqxmd.com/read/28606652/rocuronium-versus-suxamethonium-for-rapid-sequence-induction-of-general-anaesthesia-for-caesarean-section-influence-on-neonatal-outcomes
#10
M Kosinova, P Stourac, M Adamus, D Seidlova, T Pavlik, P Janku, I Krikava, Z Mrozek, M Prochazka, J Klucka, R Stoudek, I Bartikova, H Harazim, H Robotkova, K Hejduk, Z Hodicka, M Kirchnerova, J Francakova, L Obare Pyszkova, J Hlozkova, P Sevcik
BACKGROUND: In a previous study we compared rocuronium and suxamethonium for rapid-sequence induction of general anaesthesia for caesarean section and found no difference in maternal outcome. There was however, a significant difference in Apgar scores. As this was a secondary outcome, we extended the study to explore this finding on a larger sample. METHODS: We included 488 parturients of whom 240 were women from the original study. Women were randomly assigned to receive either rocuronium 1mg/kg (ROC n=245) or suxamethonium 1mg/kg (SUX n=243) after propofol 2mg/kg...
May 10, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28591517/an-atp-responsive-codelivery-system-of-doxorubicin-and-mir-34a-to-synergistically-inhibit-cell-proliferation-and-migration
#11
Yudi Wang, Jiawen Chen, Xiao Liang, Haobo Han, Hao Wang, Yan Yang, Quanshun Li
Establishing stimulus-responsive nanosystems for the codelivery of anticancer drug and oligonucleotide is a promising strategy in cancer treatment owing to the combination of chemotherapy and gene therapy in a synergistic manner. Herein, an ATP aptamer and its cDNA sequence were first hybridized to produce the duplex, into which chemotherapeutic agent doxorubicin (DOX) interacted through the GC-rich motif of duplex, and PEI25K was then employed as a carrier to condense the DOX-loading duplex and miR-34a to construct the ternary nanocomplex PEI/DOX-Duplex/miR-34a...
June 14, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28591177/identification-and-characterization-of-constans-like-col-gene-family-in-upland-cotton-gossypium-hirsutum-l
#12
Darun Cai, Hui Liu, Na Sang, Xianzhong Huang
The CONSTANS/FLOWERING LOCUS T (CO/FT) regulon plays a central role in the control of flowering time in photoperiod-sensitive plants. Flowering time in wild cotton (Gossypium spp.) has strict photoperiod sensitivity, but domesticated cotton is day-neutral. Information on the molecular characterization of the CO and CO-like (COL) genes in cotton is very limited. In this study, we identified 42 COL homologs (GhCOLs) in the G. hirsutum genome, and many of them were previously unreported. We studied their chromosome distribution, phylogenetic relationships, and structures of genes and proteins...
2017: PloS One
https://www.readbyqxmd.com/read/28582801/emergency-airway-management-in-australian-and-new-zealand-emergency-departments-a-multicentre-descriptive-study-of-3710-emergency-intubations
#13
Hatem Alkhouri, John Vassiliadis, Matthew Murray, John Mackenzie, Alex Tzannes, Sally McCarthy, Toby Fogg
OBJECTIVE: The aim of this study was to describe the practice of endotracheal intubation across a range of Australasian EDs. METHODS: We established a multicentre airway registry (The Australian and New Zealand Emergency Department Airway Registry [ANZEDAR]) prospectively capturing intubations from 43 Australian and New Zealand EDs over 24 months using the ANZEDAR form. Information recorded included patient demographics, intubation indications, predicted difficulty, rapid sequence induction and endotracheal intubation preparation technique, induction drugs, airway adjuncts and complications...
June 5, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28523090/penetrating-craniomaxillofacial-injury-caused-by-a-pneumatic-nail-gun
#14
Kevin Jae Choi, Marisa Ann Ryan, Tracy Cheng, David Powers
Craniomaxillofacial injuries can be complex, requiring a multidisciplinary approach. The primary survey is always the first step in trauma management prior to proceeding with further evaluation and treatment. A 26-year-old man presented with a penetrating nail gun injury through the oral and nasal cavities. He did not present in extremis but required elective endotracheal intubation for intraoperative assessment and treatment. Airway management was enhanced by the use of lingual nerve and inferior alveolar nerve blocks via the Vazirani-Akinosi technique to maintain spontaneous respiration while the tongue was distracted from the palate...
June 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28490462/genome-wide-dna-methylation-analysis-reveals-gabbr2-as-a-novel-epigenetic-target-for-egfr-19-deletion-lung-adenocarcinoma-with-induction-erlotinib-treatment
#15
Xiaomin Niu, Fatao Liu, Yi Zhou, Zhen Zhou, Daizhan Zhou, Ting Wang, Ziming Li, Xiangyun Ye, Yongfeng Yu, Xiaoling Weng, Hong Zhang, Junyi Ye, Meilin Liao, Yun Liu, Zhiwei Chen, Shun Lu
Purpose: The past decade has witnessed the rapid development of personalized targeted therapies in lung cancer. It is still unclear whether epigenetic changes are involved in the response to tyrosine kinase inhibitor (TKI) treatment in epidermal growth factor receptor (EGFR)-mutated lung cancer.Experimental Design: Methyl-sensitive cut counting sequencing (MSCC) was applied to investigate the methylation changes in paired tissues before and after erlotinib treatment for 42 days with partial response (PR) from stage IIIa (N2) lung adenocarcinoma patients (N = 2) with EGFR 19 deletion...
May 10, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28488082/genome-wide-identification-of-cucumber-green-mottle-mosaic-virus-responsive-micrornas-in-watermelon
#16
Yuyan Sun, Xiaowei Niu, Min Fan
Cucumber green mottle mosaic virus (CGMMV) is a damaging pathogen that attacks crop plants belonging to the family Cucurbitaceae. Little is known about the regulatory role of microRNAs (miRNAs) in response to CGMMV infection. To identify CGMMV-responsive miRNAs, two sRNA libraries from mock-inoculated and CGMMV-infected watermelon leaves were constructed and sequenced using Solexa sequencing technology. In total, 471 previously known and 1,809 novel miRNAs were obtained, of which 377 known and 246 novel miRNAs were found to be differentially expressed during CGMMV infection...
May 9, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28460858/analysis-of-out-of-hospital-pediatric-intubation-by%C3%A2-an-australian-helicopter-emergency-medical%C3%A2-service
#17
Brian J Burns, Joanna B Watterson, Sandra Ware, Luke Regan, Cliff Reid
STUDY OBJECTIVE: We examine first-look success in emergency pediatric intubation by a physician-staffed helicopter emergency medical service (EMS). METHODS: A database analysis of all pediatric (<16 years) intubations during a 64-month period was undertaken, using data from a prospectively enrolled electronic airway registry form. Recorded findings included patient demographics, operator background, airway intervention including intubation attempts, complications, and critical timings...
April 28, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28452293/separation-of-foot-and-mouth-disease-virus-leader-protein-activities-identification-of-mutants-that-retain-efficient-self-processing-activity-but-poorly-induce-eif4g-cleavage
#18
Su Hua Guan, Graham J Belsham
Foot-and-mouth disease virus is a picornavirus and its RNA genome encodes a large polyprotein. The N-terminal part of this polyprotein is the leader protein, a cysteine protease, termed Lpro. The virus causes the rapid inhibition of host cell cap-dependent protein synthesis within infected cells. This results from the Lpro-dependent cleavage of the cellular translation initiation factor eIF4G. Lpro also releases itself from the virus capsid precursor by cleaving the L/P1 junction. Using site-directed mutagenesis of the Lpro coding sequence, we have investigated the role of 51 separate amino acid residues in the functions of this protein...
April 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28416600/induction-of-an-ifn-mediated-antiviral-response-by-a-self-amplifying-rna-vaccine-implications-for-vaccine-design
#19
Timothy Pepini, Anne-Marie Pulichino, Thomas Carsillo, Alicia L Carlson, Farid Sari-Sarraf, Katrin Ramsauer, Jason C Debasitis, Giulietta Maruggi, Gillis R Otten, Andrew J Geall, Dong Yu, Jeffrey B Ulmer, Carlo Iavarone
RNA-based vaccines have recently emerged as a promising alternative to the use of DNA-based and viral vector vaccines, in part because of the potential to simplify how vaccines are made and facilitate a rapid response to newly emerging infections. SAM vaccines are based on engineered self-amplifying mRNA (SAM) replicons encoding an Ag, and formulated with a synthetic delivery system, and they induce broad-based immune responses in preclinical animal models. In our study, in vivo imaging shows that after the immunization, SAM Ag expression has an initial gradual increase...
May 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28400685/republication-all-india-difficult-airway-association-2016-guidelines-for-tracheal-intubation-in-the-intensive-care-unit
#20
Sheila Nainan Myatra, Syed Moied Ahmed, Pankaj Kundra, Rakesh Garg, Venkateswaran Ramkumar, Apeksh Patwa, Amit Shah, Ubaradka S Raveendra, Sumalatha Radhakrishna Shetty, Jeson Rajan Doctor, Dilip K Pawar, Singaravelu Ramesh, Sabyasachi Das, Jigeeshu Vasishtha Divatia
Tracheal intubation (TI) is a routine procedure in the Intensive Care Unit (ICU) and is often lifesaving. In contrast to the controlled conditions in the operating room, critically ill patients with respiratory failure and shock are physiologically unstable. These factors, along with under evaluation of the airway and suboptimal response to preoxygenation, are responsible for a high incidence of life-threatening complications such as severe hypoxemia and cardiovascular collapse during TI in the ICU. The All India Difficult Airway Association (AIDAA) proposes a stepwise plan for safe management of the airway in critically ill patients...
March 2017: Indian Journal of Critical Care Medicine
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