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https://www.readbyqxmd.com/read/29049326/a-new-machine-learning-method-to-prognosticate-paraquat-poisoned-patients-by-combining-coagulation-liver-and-kidney-indices
#1
Lufeng Hu, Huaizhong Li, Zhennao Cai, Feiyan Lin, Guangliang Hong, Huiling Chen, Zhongqiu Lu
The prognosis of paraquat (PQ) poisoning is highly correlated to plasma PQ concentration, which has been identified as the most important index in PQ poisoning. This study investigated the predictive value of coagulation, liver, and kidney indices in prognosticating PQ-poisoning patients, when aligned with plasma PQ concentrations. Coagulation, liver, and kidney indices were first analyzed by variance analysis, receiver operating characteristic curves, and Fisher discriminant analysis. Then, a new, intelligent, machine learning-based system was established to effectively provide prognostic analysis of PQ-poisoning patients based on a combination of the aforementioned indices...
2017: PloS One
https://www.readbyqxmd.com/read/29049118/risk-factors-for-opioid-use-disorder-and-overdose
#2
Lynn R Webster
Opioid analgesics are recognized as a legitimate medical therapy for selected patients with severe chronic pain that does not respond to other therapies. However, opioids are associated with risks for patients and society that include misuse, abuse, diversion, addiction, and overdose deaths. Therapeutic success depends on proper candidate selection, assessment before administering opioid therapy, and close monitoring throughout the course of treatment. Risk assessment and prevention include knowledge of patient factors that may contribute to misuse, abuse, addiction, suicide, and respiratory depression...
November 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29048956/geographic-distribution-of-scorpion-exposures-in-the-united-states-2010-2015
#3
A Min Kang, Daniel E Brooks
OBJECTIVES: To determine the geographic distribution of scorpion envenomations in the United States by zip code, with particular attention to the neurotoxic Centruroides sculpturatus (Arizona bark scorpion), for which an antivenom is available. METHODS: We obtained scorpion exposure cases for 2010 to 2015 from the National Poison Data System. Using geographic information systems software, we mapped total exposures and incidence rates for 9 states that reported more than 100 annual calls...
October 19, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/29048853/-rapid-screening-and-identification-of-food-poisonings-by-ultra-high-performance-liquid-chromatography-coupled-with-quadrupole-time-of-flight-mass-spectrometry
#4
Feng Zhu, Wenliang Ji, Hualiang Liu, Yanbo Jia, Mei Cai, Hao Zhang
A method was developed for the screening and detection of food poisonings by ultra high performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UHPLC-Q-TOF MS). After extracted by acetonitrile and cleaned-up by QuEChERS, the extract was separated on a Waters Acquity UPLC BEH C18 column (100 mm×2.1 mm, 1.7 μm) with the gradient elution of 0.1% (v/v) formic acid in water and 0.1% (v/v) formic acid in acetonitrile. TOF-MS scan-information dependent acquisition (IDA)-product ion scan was performed in positive electrospray ionization (ESI) mode to acquire high resolution MS and MS/MS spectra in one injection, and rapidly screen 581 target compounds by SCIEX OS software, including 546 pesticides, 24 mycotoxins, 11 rodenticides...
September 8, 2017: Se Pu, Chinese Journal of Chromatography
https://www.readbyqxmd.com/read/29046744/clinical-and-epidemiological-characteristics-of-patients-with-acute-drug-intoxication-admitted-to-icu
#5
Jose Orsini, Nanda Din, Ershad Elahi, Anthony Gomez, Salil Rajayer, Ryan Malik, Elie Jean
Background: Drug overdose continues to be the most common cause of acute poisoning worldwide. There has been a substantial increase in drug overdose incidence and prevalence over the past decade, probably as a result of the emergence of new synthetic designer drugs. The purpose of this study is to describe the clinical and epidemiological characteristics of patients with acute drug intoxication admitted to the Intensive Care Unit (ICU). Methods: A single center, prospective, observational study was conducted among all adult patients with clinical signs suggestive of acute drug intoxication admitted from the Emergency Department (ED) to ICU during a 6-month period (September to March)...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29046555/mother-s-curse-neutralizes-natural-selection-against-a-human-genetic-disease-over-three-centuries
#6
Emmanuel Milot, Claudia Moreau, Alain Gagnon, Alan A Cohen, Bernard Brais, Damian Labuda
According to evolutionary theory, mitochondria could be poisoned gifts that mothers transmit to their sons. This is because mutations harmful to males are expected to accumulate in the mitochondrial genome, the so-called 'mother's curse'. However, the contribution of the mother's curse to the mutation load in nature remains largely unknown and hard to predict, because compensatory mechanisms could impede the spread of deleterious mitochondria. Here we provide evidence for the mother's curse in action over 290 years in a human population...
September 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/29046278/incidence-clinical-management-and-mortality-risk-following-self-harm-among-children-and-adolescents-cohort-study-in-primary-care
#7
Catharine Morgan, Roger T Webb, Matthew J Carr, Evangelos Kontopantelis, Jonathan Green, Carolyn A Chew-Graham, Nav Kapur, Darren M Ashcroft
Objectives To examine temporal trends in sex and age specific incidence of self harm in children and adolescents, clinical management patterns, and risk of cause specific mortality following an index self harm episode at a young age.Design Population based cohort study.Setting UK Clinical Practice Research Datalink-electronic health records from 647 general practices, with practice level deprivation measured ecologically using the index of multiple deprivation. Patients from eligible English practices were linked to hospital episode statistics (HES) and Office for National Statistics (ONS) mortality records...
October 18, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29045489/ciguatoxicity-of-gambierdiscus-and-fukuyoa-species-from-the-caribbean-and-gulf-of-mexico
#8
R Wayne Litaker, William C Holland, D Ransom Hardison, Francesco Pisapia, Philipp Hess, Steven R Kibler, Patricia A Tester
Dinoflagellate species belonging to the genera Gambierdiscus and Fukuyoa produce ciguatoxins (CTXs), potent neurotoxins that concentrate in fish causing ciguatera fish poisoning (CFP) in humans. While the structures and toxicities of ciguatoxins isolated from fish in the Pacific and Caribbean are known, there are few data on the variation in toxicity between and among species of Gambierdiscus and Fukuyoa. Quantifying the differences in species-specific toxicity is especially important to developing an effective cell-based risk assessment strategy for CFP...
2017: PloS One
https://www.readbyqxmd.com/read/29044377/heparosan-coated-liposomes-for-drug-delivery
#9
Rachel S Lane, F Michael Haller, Anais A E Chavaroche, Andrew Almond, Paul L DeAngelis
Liposomal encapsulation is a useful drug delivery strategy for small molecules, especially chemotherapeutic agents such as doxorubicin. Doxil® is a doxorubicin-containing liposome ("dox-liposome") that passively targets drug to tumors while reducing side effects caused by free drug permeating and poisoning healthy tissues. Polyethylene glycol (PEG) is the hydrophilic coating of Doxil® that protects the formulation from triggering the mononuclear phagocyte system (MPS). Evading the MPS prolongs dox-liposome circulation time thus increasing drug deposition at the tumor site...
November 1, 2017: Glycobiology
https://www.readbyqxmd.com/read/29043624/mapping-dna-breaks-by-next-generation-sequencing
#10
Laura Baranello, Fedor Kouzine, Damian Wojtowicz, Kairong Cui, Keji Zhao, Teresa M Przytycka, Giovanni Capranico, David Levens
Here, we present two approaches to map DNA double-strand breaks (DSBs) and single-strand breaks (SSBs) in the genome of human cells. We named these methods respectively DSB-Seq and SSB-Seq. We tested the DSB and SSB-Seq in HCT1116, human colon cancer cells, and validated the results using the topoisomerase 2 (Top2)-poisoning agent etoposide (ETO). These methods are powerful tools for the direct detection of the physiological and pathological "breakome" of the DNA in human cells.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29043347/zinc-ing-it-out-zinc-homeostasis-mechanisms-and-their-impact-on-the-pathogenesis-of-human-pathogen-group-a-streptococcus
#11
REVIEW
Nishanth Makthal, Muthiah Kumaraswami
Group A Streptococccus (GAS) is a major human pathogen that causes significant morbidity and mortality. Zinc is an essential trace element required for GAS growth, however, zinc can be toxic at excess concentrations. The bacterial strategies to maintain zinc sufficiency without incurring zinc toxicity play a crucial role in host-GAS interactions and have a significant impact on GAS pathogenesis. The host deploys nutritional immune mechanisms to retard GAS growth by causing either zinc deprivation or zinc poisoning...
October 18, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29042286/protein-kinase-and-lipase-inhibitors-of-inositide-metabolism-deplete-ip7-indirectly-in-pancreatic-%C3%AE-cells-off-target-effects-on-cellular-bioenergetics-and-direct-effects-on-ip6k-activity
#12
Subu Surendran Rajasekaran, Christopher Illies, Stephen B Shears, Huanchen Wang, Thais S Ayala, Joilson O Martins, Elisabetta Daré, Per-Olof Berggren, Christopher J Barker
Inositol pyrophosphates have emerged as important regulators of many critical cellular processes from vesicle trafficking and cytoskeletal rearrangement to telomere length regulation and apoptosis. We have previously demonstrated that 5-di-phosphoinositol pentakisphosphate, IP7, is at a high level in pancreatic β-cells and is important for insulin exocytosis. To better understand IP7 regulation in β-cells, we used an insulin secreting cell line, HIT-T15, to screen a number of different pharmacological inhibitors of inositide metabolism for their impact on cellular IP7...
October 14, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/29042037/no-rat-poison-for-me
#13
EDITORIAL
Tsuyoshi Kaneko, Sary F Aranki
No abstract text is available yet for this article.
November 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29040955/protective-role-of-epigallocatechin-3-gallate-on-arsenic-induced-testicular-toxicity-in-swiss-albino-mice
#14
Pushpa Rani Guvvala, Janivara Parameswaraiah Ravindra, Chukkath Vijayan Rajani, Muniandy Sivaram, Sellappan Selvaraju
Arsenic, often referred to as the king of poisons is carcinogenic in humans and animals. It affects multiorgan systems including reproduction. The present study was undertaken to explore the protective role of green tea compound, epigallocatechin-3-gallate (EGCG) on arsenic induced testicular toxicity in Swiss albino mice. Thirty two adult male mice were randomly assigned to four groups (n=8). Group I served as control without test chemical. The group II received arsenic (200ppm) through drinking water, group III received only EGCG (20mg/kgb...
October 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29040539/explaining-recent-mortality-trends-among-younger-and-middle-aged-white-americans
#15
Ryan K Masters, Andrea M Tilstra, Daniel H Simon
Background: Recent research has suggested that increases in mortality among middle-aged US Whites are being driven by suicides and poisonings from alcohol and drug use. Increases in these 'despair' deaths have been argued to reflect a cohort-based epidemic of pain and distress among middle-aged US Whites. Methods: We examine trends in all-cause and cause-specific mortality rates among younger and middle-aged US White men and women between 1980 and 2014, using official US mortality data...
July 19, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29039800/high-ethanol-contents-of-spirit-drinks-in-kibera-slums-kenya-implications-for-public-health
#16
Alex O Okaru, Kennedy O Abuga, Isaac O Kibwage, Dirk W Lachenmeier
Cheap licit and artisanal illicit spirit drinks have been associated with numerous outbreaks of alcohol poisoning especially with methanol. This study aimed to evaluate the quality of cheap spirit drinks in Kibera slums in Nairobi County, Kenya. The samples consisted of cheap licit spirits (n = 11) and the artisanal spirit drink, 'chang'aa', (n = 28). The parameters of alcoholic strength and volatile composition were used as indicators of quality and were determined using gas chromatography with flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS) respectively...
October 17, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29038192/two-gaps-too-many-three-clues-too-few-do-elevated-osmolal-and-anion-gaps-with-crystalluria-always-mean-ethylene-glycol-poisoning
#17
Maneesh Gaddam, Ravi Kanth Velagapudi, Emad Abu Sitta, Abed Kanzy
A 60-year-old African-American man with a medical history significant for heavy alcohol abuse, hypertension, delirium tremens, nephrolithiasis and seizure disorder was brought to the hospital with altered mental status. He was found to have high anion gap metabolic acidosis with significantly elevated lactate along with an elevated osmolal gap and calcium oxalate crystals in his urine. With this combination of findings, ethylene glycol poisoning was high in the differential. This case report describes why ethylene glycol poisoning was not the diagnosis in this patient despite the presence of these three classic laboratory findings, therefore emphasising the fact that these findings should not be taken at face value because they can be seen collectively in a patient yet each have a different cause...
October 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29037936/super-refractory-nonconvulsive-status-epilepticus-due-to-self-poisoning-with-metaldehyde
#18
José L Fernández-Torre, Alicia Paramio-Paz, Juan Carlos Rodríguez-Borregán, Pedro Orizaola, Pilar Bosque-Varela, Miguel A Hernández-Hernández
INTRODUCTION: Metaldehyde self-poisoning in adults is uncommon and, to the best of our knowledge, an episode of super-refractory nonconvulsive status epilepticus (sr-NCSE) following an suicide attempt has not been previously demonstrated. CASE REPORT: A 68-year-old woman was admitted to our Intensive Care Unit (ICU) in coma. On neurologic examination, the pupils were reactive, brainstem reflexes were present and plantar responses were flexor bilaterally. Routine laboratory tests were unremarkable...
October 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29037592/adsorption-of-marine-phycotoxin-okadaic-acid-on-a-covalent-organic-framework
#19
Laura M Salonen, Sara R Pinela, Soraia P S Fernandes, João Louçano, Enrique Carbó-Argibay, Marisa P Sarriá, Carlos Rodríguez-Abreu, João Peixoto, Begoña Espiña
Phycotoxins, compounds produced by some marine microalgal species, can reach high concentrations in the sea when a massive proliferation occurs, the so-called harmful algal bloom. These compounds are especially dangerous to human health when concentrated in the digestive glands of seafood. In order to generate an early warning system to alert for approaching toxic outbreaks, it is very important to improve monitoring methods of phycotoxins in aquatic ecosystems. Solid-phase adsorption toxin tracking devices reported thus far based on polymeric resins have not been able to provide an efficient harmful algal bloom prediction system due to their low adsorption capabilities...
October 6, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29036912/caustic-ingestion-in-the-elderly-influence-of-age-on-clinical-outcome
#20
Blazena Caganova, Tatiana Foltanova, Erik Puchon, Elena Ondriasova, Silvia Plackova, Tomas Fazekas, Magdalena Kuzelova
Caustic poisonings are still associated with many fatalities. Studies focusing on the elderly are rare. The purpose of the present study was to compare the clinical outcomes of caustic ingestion injury in elderly and non-elderly adults with regard to gender, intent of exposure, substance ingested, severity of mucosal injury, complications, and mortality. Caustic substance exposures reported to the National Toxicological Information Centre in Slovakia during 1998-2015 were reviewed retrospectively. The patients were divided into two groups: the non-elderly (<60 years) and elderly adults (≥60 years)...
October 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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