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https://www.readbyqxmd.com/read/27912864/clinical-and-epidemiological-aspects-of-scorpionism-in-the-world-a-systematic-review
#1
REVIEW
Maria S V Santos, Cláudio G L Silva, Basílio Silva Neto, Cícero R P Grangeiro Júnior, Victor H G Lopes, Antônio G Teixeira Júnior, Deryk A Bezerra, João V C P Luna, Josué B Cordeiro, Jucier Gonçalves Júnior, Marcos A P Lima
OBJECTIVE: Scorpion stings are registered worldwide, but the incidence and the features of the envenomations vary depending on the region. The aim of this review was to summarize the epidemiological, clinical, diagnostic, and therapeutic data worldwide regarding humans stung by scorpions. METHODS: A systematic review of the literature was conducted through the online databases of the Virtual Health Library (VHL), which hosts Medline and the Latin American and Caribbean Center on Health Sciences Informational (LILACS) database...
December 2016: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/27911816/rapid-emergence-and-mechanisms-of-resistance-by-u87-glioblastoma-cells-to-doxorubicin-in-an-in-vitro-tumor-microfluidic-ecology
#2
Jeonghun Han, Yukyung Jun, So Hyun Kim, Hong-Hoa Hoang, Yeonjoo Jung, Suyeon Kim, Jaesang Kim, Robert H Austin, Sanghyuk Lee, Sungsu Park
In vitro prediction of the probable rapid emergence of resistance to a drug in tumors could act to winnow out potential candidates for further costly development. We have developed a microfluidic device consisting of ∼500 hexagonal microcompartments that provides a complex ecology with wide ranges of drug and nutrient gradients and local populations. This ecology of a fragmented metapopulation induced the drug resistance in stage IV U87 glioblastoma cells to doxorubicin in 7 d. Exome and transcriptome sequencing of the resistant cells identified mutations and differentially expressed genes...
November 22, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27910775/hepatoprotective-effects-and-mechanisms-of-action-of-triterpenoids-from-lingzhi-or-reishi-medicinal-mushroom-ganoderma-lucidum-agaricomycetes-on-%C3%AE-amanitin-induced-liver-injury-in-mice
#3
Huihui Wu, Shanshan Tang, Zhaoqin Huang, Qian Zhou, Ping Zhang, Zuohong Chen
Most fatal mushroom poisonings are caused by species of the genus Amanita; the amatoxins are responsible for acute liver failure and death in humans. Ganoderma lucidum is a well-known traditional medicinal mushroom that has been shown to have obvious hepatoprotective effects. This study evaluated the hepatoprotective effects of triterpenoids from G. lucidum on liver injury induced by a-amanitin (α-AMA) in mice and the mechanisms of action of these triterpenoids, including radical scavenging and antiapoptosis activities...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27908630/non-linear-dose-response-of-aluminium-hydroxide-adjuvant-particles-selective-low-dose-neurotoxicity
#4
Guillemette Crépeaux, Housam Eidi, Marie-Odile David, Yasmine Baba-Amer, Eleni Tzavara, Bruno Giros, François-Jérôme Authier, Christopher Exley, Christopher A Shaw, Josette Cadusseau, Romain K Gherardi
Aluminium (Al) oxyhydroxide (Alhydrogel(®)), the main adjuvant licensed for human and animal vaccines, consists of primary nanoparticles that spontaneously agglomerate. Concerns about its safety emerged following recognition of its unexpectedly long-lasting biopersistence within immune cells in some individuals, and reports of chronic fatigue syndrome, cognitive dysfunction, myalgia, dysautonomia and autoimmune/inflammatory features temporally linked to multiple Al-containing vaccine administrations. Mouse experiments have documented its capture and slow transportation by monocyte-lineage cells from the injected muscle to lymphoid organs and eventually the brain...
November 28, 2016: Toxicology
https://www.readbyqxmd.com/read/27907126/variability-in-the-sxt-gene-clusters-of-psp-toxin-producing-aphanizomenon-gracile-strains-from-norway-spain-germany-and-north-america
#5
Andreas Ballot, Leonardo Cerasino, Vladyslava Hostyeva, Samuel Cirés
Paralytic shellfish poisoning (PSP) toxin production has been detected worldwide in the cyanobacterial genera Anabaena, Lyngbya, Scytonema, Cuspidothrix and Aphanizomenon. In Europe Aphanizomenon gracile and Cuspidothrix issatschenkoi are the only known producers of PSP toxins and are found in Southwest and Central European freshwater bodies. In this study the PSP toxin producing Aphanizomenon sp. strain NIVA-CYA 851 was isolated from the Norwegian Lake Hillestadvannet. In a polyphasic approach NIVA-CYA 851 was morphologically and phylogenetically classified, and investigated for toxin production...
2016: PloS One
https://www.readbyqxmd.com/read/27906402/one-step-synthesis-of-ultrathin-ptxpb-nerve-like-nanowires-as-robust-catalysts-for-enhanced-methanol-electrooxidation
#6
Liang Huang, Yujie Han, Xueping Zhang, Youxing Fang, Shaojun Dong
Ultrathin PtxPb nerve-like nanowires (NNWs) with a diameter of only around 3.6 nm were synthesized by a one-step wet-chemical strategy, and they served as robust catalysts for greatly enhancing methanol electrooxidation both under acidic and alkaline conditions. Due to the high CO-poisoning tolerance, superior electrocatalytic activity and stability endowed by the Pt-Pb alloyed composition and the unique structure, the Pt3.5Pb NNWs showed the highest specific activity of 2.78 mA cm(-2) in acidic media and 6...
December 1, 2016: Nanoscale
https://www.readbyqxmd.com/read/27905940/drug-poisoning-deaths-in-the-united-states-1999-2012-a-statistical-adjustment-analysis
#7
Christopher J Ruhm
BACKGROUND: Drug poisoning mortality in the US has risen rapidly but the drugs involved are frequently unspecified on death certificates. METHODS: Reported and adjusted proportions of specific drug types involved in fatal drug poisonings were calculated using vital statistics mortality data from 1999 to 2012. The adjusted proportions were those predicted to occur if at least one specific type of drug had been identified on the death certificates of all poisoning fatalities...
January 15, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905655/-gastrointestinal-bezoars
#8
Ricardo Espinoza González
Gastrointestinal bezoars are a concretion of indigested material that can be found in the gastrointestinal tract of humans and some animals. This material forms an intraluminal mass, more commonly located in the stomach. During a large period of history animal bezoars were considered antidotes to poisons and diseases. We report a historical overview since bezoars stones were thought to have medicinal properties. This magic conception was introduced in South America by Spanish conquerors. In Chile, bezoars are commonly found in a camelid named guanaco (Lama guanicoe)...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27905631/-notes-for-a-history-of-hygiene-taken-from-the-bible
#9
Walter Ledermann
Reading once more the Gospels, we found a discussion between Jesus and the Pharisee about the hand washing, this golden rule of medicine, and then, with the help of Thomas Mann, we began a search for other notes on hygiene in the Bible. For the return from Egypt to the Promised Land, Moses established several rules for his people, some of them disguised as religious principles, concerning elimination of excreta, healthy and poisonous foods, isolation in case of contagious diseases (leprosy, gonorrhea), decontamination of clothes and houses, and many others that now seem to us ahead his time...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27902665/lead-poisoning-in-children-and-adults
#10
Vickie Ann Miracle
Lead poisoning is receiving much attention and increased awareness lately owing to the tainted water supply crisis in Flint, Michigan. This article provides an important review about lead poisoning in both children and adults, potential causes, signs and symptoms, long-term effects, prevention, and recommendations for nursing practice. This article is not an in-depth examination of the topic, but rather a quick review.
January 2017: Dimensions of Critical Care Nursing: DCCN
https://www.readbyqxmd.com/read/27902574/analysis-of-hospital-readmission-patterns-in-medicare-fee-for-service-and-medicare-advantage-beneficiaries
#11
Joobong June Park Oh
PURPOSE OF STUDY: The study was conducted to examine the hospital readmission patterns of two groups of Medicare beneficiaries-those covered by traditional Medicare (Medicare fee-for-service [FFS]) and those enrolled in a Medicare risk plan (Medicare Advantage [MA])-and to determine the characteristics that significantly increase the likelihood of multiple hospital readmissions. PRIMARY PRACTICE SETTING: The study setting is the Hospital of the University of Pennsylvania (HUP) located in Philadelphia, PA...
January 2017: Professional Case Management
https://www.readbyqxmd.com/read/27901473/influence-of-solar-and-geomagnetic-activity-in-gymnodinium-catenatum-dinophyceae-cultures
#12
Paulo Vale
Laboratory cultures of the paralytic shellfish poisoning producing microalga Gymnodinium catenatum were subjected to a hypo-osmotic shock and changes in cell concentration were observed in two separate experiments of 8 and 24 hours duration, respectively. The increase in geomagnetic activity (GMA), radio and X-ray fluxes and solar X-ray flares were negatively correlated with cell numbers. Cell losses were observed in the short experiment, but not in the longest one. GMA action was related to the course of the experimental period, while electromagnetic radiation (EMR) was only significantly related when the previous hours before the experiments were considered...
November 30, 2016: General Physiology and Biophysics
https://www.readbyqxmd.com/read/27900531/accidental-cannabis-poisoning-in-the-elderly
#13
Anja Zupan Mežnar, Miran Brvar, Gregor Kralj, Dragan Kovačič
There are two main varieties of Cannabis sativa plant, namely, hemp which is cultivated for fiber and seeds and contains low amounts of psychoactive cannabinoids and the other which is cultivated for the drug cannabis or marijuana. Increasing popularity of hemp food products and alleged beneficial effects of cannabinoids in the drug variety of cannabis might lead to confusion in the lay population and unintentional ingestion of marijuana, as described in this case report. During a workshop on the use of hemp for medicinal purposes, there was a degustation of various hemp food products including also cookies that were brought by one of the attendees...
November 29, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27899216/poisoning-suicide-with-ingestion-of-the-pyrethroids-alpha-cypermethrin-and-deltamethrin-and-the-antidepressant-mirtazapine-a-case-report
#14
Vassiliki A Boumba, Georgios N Rallis, Theodore Vougiouklakis
This case report describes a death attributed to the intake of the pyrethroid insecticides, alpha-cypermethrin and deltamethrin, and the antidepressant mirtazapine. The autopsy findings showed absence of external traumatic injuries and internal generalized visceral congestion, edema and cyanosis. The toxicological results revealed the presence of a toxic concentration of mirtazapine (12.5mg/L and 10.7mg/L in blood and urine, respectively) and high concentrations of pyrethroids (2.46mg/L alpha-cypermethrin and 2...
November 22, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27899148/undereporting-of-acute-pesticide-poisoning-in-tanzania-modelling-results-from-two-cross-sectional-studies
#15
Elikana E Lekei, Aiwerasia V Ngowi, Leslie London
BACKGROUND: Acute pesticide poisoning (APP) is known to cause serious injuries to end users globally but the magnitude of this problem in Tanzania is not well known. This study aimed to determine the extent and pattern of underreporting of APP in Tanzania to inform the development of a surveillance system and appropriate interventions. METHODS: This study integrates findings from two recent Tanzanian studies. A household survey established the proportion of poisoned farmers in a typical rural area who reported to hospital for a pesticide poisoning...
November 29, 2016: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/27898722/suicide-among-young-people-and-adults-in-ireland-method-characteristics-toxicological-analysis-and-substance-abuse-histories-compared
#16
Ella Arensman, Marco Bennardi, Celine Larkin, Amanda Wall, Carmel McAuliffe, Jacklyn McCarthy, Eileen Williamson, Ivan J Perry
OBJECTIVE: Information on factors associated with suicide among young individuals in Ireland is limited. The aim of this study was to identify socio-demographic characteristics and circumstances of death associated with age among individuals who died by suicide. METHODS: The study examined 121 consecutive suicides (2007-2012) occurring in the southern eastern part of Ireland (Cork city and county). Data were obtained from coroners, family informants, and health care professionals...
2016: PloS One
https://www.readbyqxmd.com/read/27896660/ayahuasca-exposure-descriptive-analysis-of-calls-to-us-poison-control-centers-from-2005-to-2015
#17
C William Heise, Daniel E Brooks
BACKGROUND: Ayahuasca is a hallucinogenic plant preparation which usually contains the vine Banisteriopsis caapi and the shrub Psychotria viridis. This tea originates from the Amazon Basin where it is used in religious ceremonies. Because interest in these religious groups spreading as well as awareness of use of ayahuasca for therapeutic and recreational purposes, its use is increasing. Banisteriopsis caapi is rich in β-carbolines, especially harmine, tetrahydroharmine and harmaline, which have monoamine oxidase inhibiting (MAOI) activity...
November 28, 2016: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/27896325/utilization-of-plasmapheresis-for-organophosphate-intoxication-a-case-report
#18
Nezihat Rana Disel, Ayca Acikalin, Zeynep Kekec, Ahmet Sebe
Organophosphate (OP) compounds are extremely toxic chemicals that may be absorbed via skin, conjunctiva, gastrointestinal and respiratory systems. Treatment of OP poisoning is a critical and aggressive process which includes decontamination, antidote administration (atropin and oximes), mechanical ventilation support and extracorporeal elimination procedures if needed. Here we present a young female patient who was unintentionally poisoned by an OP (trichlorfon) after using it to moisture her skin. The importance of this patient is the dermal disease that makes her unprotective to dermal exposure of chemicals and application of plasmapheresis to treat her poisoning...
June 2016: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27893949/phenotypic-and-genotypic-resistance-of-salmonella-isolates-from-healthy-and-diseased-pigs-in-china-during-2008-2015
#19
Yueguang Jiu, Shun Zhu, Sher Bahadar Khan, Mengzhen Sun, Geng Zou, Xianrong Meng, Bin Wu, Rui Zhou, Shaowen Li
The antimicrobial resistance of Salmonella strains is rapidly increasing worldwide, which poses significant threats to animal and public health. In this study, a total of 249 porcine Salmonella isolates collected in China during 2008-2015 were examined, including 155 clinical isolates from diseased pigs and 94 nonclinical isolates from healthy pigs. Based on the minimum inhibitory concentration of seven antimicrobial agents, 96.4% of the isolates were resistant to at least one of the tested antibiotics and 81...
November 28, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27893431/dysregulated-human-tyrosyl-dna-phosphodiesterase-i-acts-as-cellular-toxin
#20
Selma M Cuya, Evan Q Comeaux, Keith Wanzeck, Karina J Yoon, Robert C A M van Waardenburg
Tyrosyl-DNA phosphodiesterase I (TDP1) hydrolyzes the drug-stabilized 3'phospho-tyrosyl bond formed between DNA topoisomerase I (TOPO1) and DNA. TDP1-mediated hydrolysis uses a nucleophilic histidine (Hisnuc) and a general acid/base histidine (Hisgab). A Tdp1Hisgab to Arg mutant identified in patients with the autosomal recessive neurodegenerative disease SCAN1 causes stabilization of the TDP1-DNA intermediate. Based on our previously reported Hisgab-substitutions inducing yeast toxicity (Gajewski et al. J...
November 23, 2016: Oncotarget
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