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https://www.readbyqxmd.com/read/29782159/reduced-zebrafish-transcriptome-atlas-toward-understanding-the-environmental-neurotoxicants
#1
Kun Zhang, Yanbin Zhao
Transcriptomic approaches monitoring gene responses at genome-scale are increasingly used in toxicological research and help to clarify the molecular mechanisms of adverse effects caused by environmental toxicants. However, their applications for chemical assessment are hampered due to high expenses required and more importantly the lack of in-depth data mining and mechanistic perspectives. Here, we described a Reduced Transcriptome Atlas (RTA) approach which integrates transcriptomic datasets and a comprehensive panel of genes generated to represent neurogenesis and the early neuronal development of zebrafish, to determine the potential neurodevelopmental toxicities of environmental chemicals...
May 21, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29774167/complete-hypokalemic-quadriparesis-as-a-first-presentation-of-sj%C3%A3-gren-syndrome
#2
Jason An, Branko Braam
Rationale: We hope to increase awareness that hypokalemic paralysis may be the first presentation of Sjögren syndrome, for which potassium-sparing diuretics can be an effective adjunct to potassium replenishment. Presenting concerns: A 73-year-old female presented to a peripheral hospital with quadriparesis and a critically low serum potassium of 1.6 mmol/L with U waves on the electrocardiogram (ECG). The initial arterial blood gas showed a pH of 7.19, bicarbonate of 13 mEq/L, and a CO2 of 35 mm Hg...
2018: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29750861/determining-the-relative-binding-affinity-of-ricin-toxin-a-rta-inhibitors-by-using-molecular-docking-and-non-equilibrium-work
#3
Elton Chaves, Itácio Queiroz de Mello Padilha, Demetrius Antônio Machado Araújo, Gerd Bruno Rocha
Ricin is a ribosome-inactivating protein (RIP-type2) consisting of two subunits, Ricin Toxin A (RTA) and Ricin Toxin B (RTB). Due to its cytotoxicity, ricin has worried world authorities for its potential use as a chemical weapon; therefore, its inhibition is of great biotechnological interest. RTA is the target for inhibitor synthesis and pterin derivatives are promising candidates to inhibit it. In this study, we used a combination of molecular docking approach and fast steered molecular dynamics in order to assess the correlation between non-equilibrium work, 〈W〉, and IC50 of six RTA inhibitors...
May 11, 2018: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/29746363/lower-extremity-fractures-in-hospitalized-pediatric-patients-following-road-traffic-accidents
#4
Shay Tenenbaum, Jason T Bariteau, Ofir Chechik, Adi Givon, Kobi Peleg, Ran Thein
Lower extremity fractures (LEFs) caused by road traffic accidents (RTAs) can result in significant morbidity and account for a substantial part of nonfatal injuries requiring hospitalization. This study investigated the epidemiology of RTA-associated LEFs in the pediatric population. Based on the National Trauma Registry, data of 28,924 RTA hospitalized pediatric patients were reviewed. Data were analyzed according to LEF mechanism of injury, age distribution, fracture types, associated injuries, surgical treatment, and their interrelations...
May 5, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29737166/effect-of-surface-and-defect-chemistry-on-the-photo-catalytic-properties-of-intentionally-defect-rich-zno-nanorod-arrays
#5
Jan Kegel, Vitaly Z Zubialevich, Michael Schmidt, Ian M Povey, Martyn E Pemble
Due to the abundance of intrinsic defects in zinc oxide (ZnO) the material properties are often governed by same. Knowledge of the defect chemistry has proven to be highly important, especially in terms of the photo-catalytic degradation of pollutants. Given the fact that defect-free materials or structures exhibiting only one type of defect are extremely difficult to produce, it is necessary to evaluate what influence various defects may have when present together in the material. In this study, intentionally defect-rich ZnO nanorod (NR) arrays are grown using a simple low-temperature solution-based growth technique...
May 8, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29736352/comparing-real-time-versus-delayed-video-assessments-for-evaluating-acgme-sub-competency-milestones-in-simulated-patient-care-environments
#6
Robert Isaak, Marjorie Stiegler, Gene Hobbs, Susan M Martinelli, David Zvara, Harendra Arora, Fei Chen
Background Simulation is an effective method for creating objective summative assessments of resident trainees. Real-time assessment (RTA) in simulated patient care environments is logistically challenging, especially when evaluating a large group of residents in multiple simulation scenarios. To date, there is very little data comparing RTA with delayed (hours, days, or weeks later) video-based assessment (DA) for simulation-based assessments of Accreditation Council for Graduate Medical Education (ACGME) sub-competency milestones...
March 4, 2018: Curēus
https://www.readbyqxmd.com/read/29725174/clinico-radiologic-profile-of-pediatric-traumatic-brain-injury-in-western-rajasthan
#7
Pawan Kumar Dara, Manish Parakh, Shyama Choudhary, Hemant Jangid, Priyanka Kumari, Satyendra Khichar
Objective: The aim of this study was to evaluate clinico-radiological profile and outcome of pediatric traumatic brain injury (TBI). Design: Prospective observational study. Setting: Intensive Care Unit, ward and OPD of Pediatrics, Dr. S. N. Medical College, Jodhpur (tertiary care hospital). Participants: A total of 188 children (1 month-18 years) were enrolled and 108 admitted. Intervention: TBI classified as mild, moderate, or severe TBI...
April 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29716758/distal-renal-tubular-acidosis-in-two-children-with-acquired-hypothyroidism
#8
Norma E Guerra-Hernández, Karen V Ordaz-López, Rosa Vargas-Poussou, Laura Escobar-Pérez, Víctor M García-Nieto
Two cases of children diagnosed with renal tubular acidosis (RTA) associated with autoimmune hypothyroidism are presented. Case 1 developed an intestinal ileus at the age of five in the context of a respiratory problem. The tests performed confirmed metabolic acidosis, hyperchloraemia, hypokalaemia and nephrocalcinosis. Case 2 was diagnosed with hypothyroidism at the age of 11, and with RTA two years later. In both patients, the diagnosis of RTA was verified when decreased maximum urinary pCO2 was found. In case 2, a proximal bicarbonate leak (type 3 RTA) was also confirmed...
April 28, 2018: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29706520/phylogenomics-diversification-dynamics-and-comparative-transcriptomics-across-the-spider-tree-of-life
#9
Rosa Fernández, Robert J Kallal, Dimitar Dimitrov, Jesús A Ballesteros, Miquel A Arnedo, Gonzalo Giribet, Gustavo Hormiga
Dating back to almost 400 mya, spiders are among the most diverse terrestrial predators [1]. However, despite considerable effort [1-9], their phylogenetic relationships and diversification dynamics remain poorly understood. Here, we use a synergistic approach to study spider evolution through phylogenomics, comparative transcriptomics, and lineage diversification analyses. Our analyses, based on ca. 2,500 genes from 159 spider species, reject a single origin of the orb web (the "ancient orb-web hypothesis") and suggest that orb webs evolved multiple times since the late Triassic-Jurassic...
April 21, 2018: Current Biology: CB
https://www.readbyqxmd.com/read/29683734/six-year-review-of-traumatic-brain-injury-in-a-regional-trauma-unit-demographics-contributing-factors-and-service-provision-in-ireland
#10
Patrick W Owens, Noel P Lynch, Donal P O'Leary, Aoife J Lowery, Michael J Kerin
BACKGROUND: Traumatic brain injury (TBI) represents a significant burden of care for acute surgical services, particularly in the absence of on-site neurosurgical cover or sufficient post-acute rehabilitation facilities. We examine factors contributing to TBI, prolonged lengths of stay (LoS) and implications for hospital resources. Long-term outcomes are assessed. METHODS: This is a retrospective cohort study of patients admitted to a regional trauma unit with TBI from 2008 to 2013...
April 23, 2018: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29682033/diagnostic-and-prognostic-capability-of-newer-magnetic-resonance-imaging-brain-sequences-in-diffuse-axonal-injury-patient
#11
Mayank Bansal, Virendra Deo Sinha, Juhi Bansal
Objectives: Diffuse axonal injury is one of the major causes of unconsciousness, profound neurologic deficits and persistent vegetative state after head trauma. In recent years, MR imaging has been gaining popularity as an adjunctive imaging method in patients with DAI. Our study aims to assess the relative diagnostic and prognostic capability of various MRI sequences. Patients and Methods: Retrospective observational study done in 1 year duration on 30 DAI patients...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29677769/effects-of-rapid-thermal-treatment-on-characteristics-of-magnetron-sputtered-nio-thin-films-for-supercapacitor-applications
#12
Seongha Oh, Yong Seob Park, Pil Ju Ko, Nam-Hoon Kim
Supercapacitors are promising energy storage devices due to their high power density, long cycling life, and short charging time. NiO is one of the alternative inorganic materials that could be used to replace the conventional RuO2 electrodes in these supercapacitors. In the present study, NiO thin film was prepared by radio frequency magnetron sputtering using a NiO alloy target. This process offeres several advantages such as the superior adhesion of the resulting thin films and the easy control of the deposition rate...
September 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29668744/data-quality-of-whole-genome-bisulfite-sequencing-on-illumina-platforms
#13
Amanda Raine, Ulrika Liljedahl, Jessica Nordlund
The powerful HiSeq X sequencers with their patterned flowcell technology and fast turnaround times are instrumental for many large-scale genomic and epigenomic studies. However, assessment of DNA methylation by sodium bisulfite treatment results in sequencing libraries of low diversity, which may impact data quality and yield. In this report we assess the quality of WGBS data generated on the HiSeq X system in comparison with data generated on the HiSeq 2500 system and the newly released NovaSeq system. We report a systematic issue with low basecall quality scores assigned to guanines in the second read of WGBS when using certain Real Time Analysis (RTA) software versions on the HiSeq X sequencer, reminiscent of an issue that was previously reported with certain HiSeq 2500 software versions...
2018: PloS One
https://www.readbyqxmd.com/read/29666732/renal-tubular-acidosis-an-adverse-effect-of-pd-1-inhibitor-immunotherapy
#14
Sandy El Bitar, Chanudi Weerasinghe, Elie El-Charabaty, Marcel Odaimi
Immune checkpoint blockade therapy is gaining popularity among oncologists for treatment of solid and hematologic malignancies. The widespread use of these agents resulted in increasing incidence of renal immune-related adverse events. Reported renal toxicity described so far includes acute interstitial nephritis, minimal change disease, and immune complex glomerulonephritis. We report the case of a 79-year-old female with metastatic non-small cell lung cancer on anti-PD-1 therapy nivolumab. After the 4th administration of nivolumab, the treatment course was complicated with normal anion gap metabolic acidosis...
2018: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29643635/regional-anesthesia-is-safe-and-effective-for-lower-limb-orthopedic-surgery-in-patient-with-renal-tubular-acidosis-and-hypokalemia
#15
Indira Gurajala, Sapna Annaji Nikhar, Kavitha Jayaram, Ramachandran Gopinath
Renal tubular acidosis (RTA) with hypokalemia may precipitate acute respiratory failure and potentially fatal arrhythmias like ventricular fibrillation. Though there are random reports of respiratory failure needing mechanical ventilation and sudden death in patients with RTA and hypokalemia, the anesthetic management of these patients has not been clearly elucidated. Acidosis and hypokalemia have significant interactions with both general and local anesthetics and alter their effect substantially. Proper preoperative planning and optimization are required for the safe conduct of anesthesia in this subset of patients...
January 2018: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29628697/seasonal-variation-in-orthopedic-trauma-patients-an-experience-from-central-india
#16
Rajeev Shukla, Nikhil Jain, Utkarsh Agarwal, Tanveer Sheikh, Ravikant Jain
Objectives: This study aims to determine the various epidemiological factors responsible for orthopedic trauma cases: how do weather patterns, month, season and public working schedule influence the daily frequency of orthopedic trauma. Material and methods: This was a descriptive study performed in the Department of Orthopedics at a tertiary care centre in central India Participants: 7980 trauma cases reported in our study period. Study variables: Demographic characteristics of the cases, time, day, the month of injury and type of trauma and cause of trauma...
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29594463/traumatic-brain-injury-in-indian-children
#17
REVIEW
Krishna Chaitanya, Archana Addanki, Rajendra Karambelkar, Rakesh Ranjan
INTRODUCTION: Traumatic brain injury (TBI) in children and adolescents is a community-based medical and educational challenge world-over due to increasing urbanization and motorization. In India, children between 1 to 15 years constitute significant proportion of the total population, who are vulnerable for TBI. In developed countries, pediatric trauma mortality still represents more than half of all childhood fatalities, which is 18 times more common than brain tumors. In this study, we attempted to analyze epidemiological factors, management, and outcome of TBI in children at a tertiary care center in Pune, Maharashtra...
March 29, 2018: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29589827/the-changing-use-of-the-ovipositor-in-host-shifts-by-ichneumonid-ectoparasitoids-of-spiders-hymenoptera-ichneumonidae-pimplinae
#18
Keizo Takasuka, Niclas R Fritzén, Yoshihiro Tanaka, Rikio Matsumoto, Kaoru Maeto, Mark R Shaw
Accurate egg placement into or onto a living host is an essential ability for many parasitoids, and changes in associated phenotypes, such as ovipositor morphology and behaviour, correlate with significant host shifts. Here, we report that in the ichneumonid group of koinobiont spider-ectoparasitoids ("polysphinctines"), several putatively ancestral taxa (clade I here), parasitic on ground-dwelling RTA-spiders (a group characterised by retrolateral tibial apophysis on male palpal tibiae), lay their eggs in a specific way...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29568397/nucleolar-stress-enhances-lytic-reactivation-of-the-kaposi-s-sarcoma-associated-herpesvirus
#19
Anastasia Gelgor, Chen Gam Ze Letova, Yana Yegorov, Inna Kalt, Ronit Sarid
Kaposi's sarcoma-associated herpesvirus (KSHV) is a human tumorigenic virus exhibiting two forms of infection, latent and lytic. Latent infection is abortive and allows the virus to establish lifelong infection, while lytic infection is productive, and is needed for virus dissemination within the host and between hosts. Latent infection may reactivate and switch towards the lytic cycle. This switch is a critical step in the maintenance of long-term infection and for the development of KSHV-related neoplasms...
March 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29538645/keap1-inhibition-is-neuroprotective-and-suppresses-the-development-of-epilepsy
#20
Tawfeeq Shekh-Ahmad, Ramona Eckel, Sharadha Dayalan Naidu, Maureen Higgins, Masayuki Yamamoto, Albena T Dinkova-Kostova, Stjepana Kovac, Andrey Y Abramov, Matthew C Walker
Hippocampal sclerosis is a common acquired disease that is a major cause of drug-resistant epilepsy. A mechanism that has been proposed to lead from brain insult to hippocampal sclerosis is the excessive generation of reactive oxygen species, and consequent mitochondrial failure. Here we use a novel strategy to increase endogenous antioxidant defences using RTA 408, which we show activates nuclear factor erythroid 2-related factor 2 (Nrf2, encoded by NFE2L2) through inhibition of kelch like ECH associated protein 1 (KEAP1) through its primary sensor C151...
May 1, 2018: Brain: a Journal of Neurology
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