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https://www.readbyqxmd.com/read/29224210/medical-toxicology-in-the-old-testament-the-poisonous-pottage
#1
Elias E Mazokopakis, Christos G Karagiannis
No abstract text is available yet for this article.
December 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29224187/surma-eye-cosmetic-in-afghanistan-a-potential-source-of-lead-toxicity-in-children
#2
J R McMichael, B K Stoff
Surma is a traditional eye cosmetic used as an eyeliner for infants in Afghanistan, as well as in many other countries in Asia, the Middle East, and Africa. Surma has been reported to contain lead and to be a potential source of lead toxicity in children, which can lead to permanent damage to multiple organ systems. To our knowledge, assessment for lead in surma found in Afghanistan has not been performed. We determined the quantitative lead content of a convenience sample of 10 surma products acquired in Afghanistan...
December 9, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29223596/presence-and-persistence-of-the-amnesic-shellfish-poisoning-toxin-domoic-acid-in-octopus-and-cuttlefish-brains
#3
Vanessa M Lopes, Rui Rosa, Pedro R Costa
Domoic acid (DA) is a neurotoxin that causes degenerative damage to brain cells and induces permanent short-term memory loss in mammals. In cephalopod mollusks, although DA is known to accumulate primarily in the digestive gland, there is no knowledge whether DA reaches their central nervous system. Here we report, for the first time, the presence of DA in brain tissue of the common octopus (Octopus vulgaris) and the European cuttlefish (Sepia officinalis), and its absence in the brains of several squid species (Loligo vulgaris, L...
December 5, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29223502/hydroxyl-radical-production-via-nadph-oxidase-in-rat-striatum-due-to-carbon-monoxide-poisoning
#4
Shuichi Hara, Masamune Kobayashi, Fumi Kuriiwa, Kazuya Ikematsu, Hajime Mizukami
Severe poisoning induced by carbon monoxide (CO) at 3000ppm, but not 1000ppm, enhances hydroxyl radical (OH) production in rat striatum, which is greatly susceptible to inhibitors of NADPH oxidase (NOX), including diphenyleneiodonium (DPI), but not xanthine oxidase. The quantitative real-time PCR confirmed the previous microarray finding that CO at 3000ppm, but not 1000ppm, enhanced mRNA expression of dual oxidase 2 (DUOX2), but not DUOX1, in rat striatum, both of which are NOX family members producing reactive oxygen species...
December 6, 2017: Toxicology
https://www.readbyqxmd.com/read/29221148/differently-expressed-long-noncoding-rnas-and-mrnas-in-tk6-cells-exposed-to-low-dose-hydroquinone
#5
Shaoyun Chen, Hairong Liang, Gonghua Hu, Hui Yang, Kairu Zhou, Longmei Xu, Jiaxian Liu, Bei Lai, Li Song, Hao Luo, Jianming Peng, Zhidong Liu, Yongmei Xiao, Wen Chen, Huanwen Tang
Previous studies have shown that long noncoding RNAs (lncRNAs) were related to human carcinogenesis and might be designated as diagnosis and prognosis biomarkers. Hydroquinone (HQ), as one of the metabolites of benzene, was closely relevant to occupational benzene poisoning and occupational leukemia. Using high-throughput sequencing technology, we investigated differences in lncRNA and mRNA expression profiles between experimental group (HQ 20 μmol/L) and control group (PBS). Compared to control group, a total of 65 lncRNAs and 186 mRNAs were previously identified to be aberrantly expressed more than two fold change in experimental group...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220732/carbon-monoxide-poisoning-in-iran-during-1999-2016-a-systematic-review-and-meta-analysis
#6
REVIEW
Seyed Mohammad Hosseininejad, Hamed Aminiahidashti, Iraj Goli Khatir, Seyed Khosro Ghasempouri, Ali Jabbari, Mahmoud Khandashpour
BACKGROUND: Carbon monoxide (CO) poisoning is a common cause of emergency department (ED) visits worldwide with high levels of morbidity and mortality. No inclusive nationally statistics of CO poisoning in Iran is available. The present review aimed to describe and review the pattern of CO poisoning in Iran. METHODS: The search of Medline, SCOPUS, Cochrane library, Google Scholar, Magiran, IranDoc and SID (Scientific Information Database) yielded only 10 studies discussing the epidemiology of CO poisoning in Iran...
November 28, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29219630/fewer-adverse-effects-with-a-modified-two-bag-acetylcysteine-protocol-in-paracetamol-overdose
#7
Richard McNulty, Jia Min Elizabeth Lim, Pramod Chandru, Naren Gunja
OBJECTIVE: Acetylcysteine (NAC), an effective antidote for paracetamol poisoning, is commonly associated with adverse reactions. This has been postulated to be related to the rapid initial infusion rate (150 mg/kg over 1 h) of the traditional three-bag protocol. We hypothesized that a slower rate would result in fewer adverse reactions. Our institution in Western Sydney moved to a modified two-bag protocol in February 2015 - first bag: 200 mg/kg over 4 h (50 mg/kg/h) and second bag: (100 mg/kg over 16 h)...
December 8, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/29219267/-forensic-analysis-for-54-cases-of-suxamethonium-chloride-poisoning
#8
Y F Zhao, B Q Zhao, K J Ma, J Zhang, F Y Chen
OBJECTIVES: To observe and analyze the performance of forensic science in the cases of suxa- methonium chloride poisoning, and to improve the identification of suxamethonium chloride poisoning. METHODS: Fifty-four cases of suxamethonium chloride poisoning were collected. The rules of determination of suxamethonium chloride poisoning were observed by the retrospective analysis of pathological and toxicological changes as well as case features. RESULTS: The pathological features of suxamethonium chloride poisoning were similar to the general changes of sudden death, which mainly included acute pulmonary congestion and edema, and partly showed myocardial disarray and fracture...
August 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29217886/methylene-blue-induced-methemoglobinemia-with-acute-kidney-injury-in-a-glucose-6-phosphate-dehydrogenase-deficient-patient
#9
M R Balwani, C P Bawankule, V Ramteke, P Tolani, S Vakil, R Yadav
Our case was treated with methylene blue for symptomatic nitrobenzene poisoning. After which he developed methemoglobinemia with acute kidney injury due to hemolysis and on further testing, he was found to be glucose-6-phosphate dehydrogenase (G6PD) enzyme deficient. Thus, afterward, the patient was treated with only available mode of treatment as repeated blood transfusions and ascorbic acid with dialysis support to which the patient responded. Thus, it is important to evaluate for the G6PD deficiency where methylene blue treatment is planned as an antidote to nitrobenzene compounds poisoning...
November 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/29217629/map-like-navigation-from-distances-exceeding-routine-movements-in-the-three-striped-poison-frog-ameerega-trivittata
#10
Andrius Pašukonis, Matthias-Claudio Loretto, Walter Hödl
Most animals move in dense habitats where distant landmarks are limited, but how they find their way around remains poorly understood. Poison frogs inhabit the rainforest understory where they shuttle tadpoles from small territories to widespread pools. Recent studies revealed their excellent spatial memory and the ability to home back from several hundred meters. It remains unclear if this homing ability is restricted to the areas that had been previously explored or if it allows the frogs to navigate from areas outside their direct experience...
December 7, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29217481/dna-damage-and-repair-proteins-in-cellular-response-to-sulfur-mustard-in-iranian-veterans-more-than-two-decades-after-exposure
#11
Shahriar Khateri, Mahdi Balali-Mood, Peter Blain, Faith Williams, Paul Jowsey, Mohammad Reza Soroush, Effat Behravan, Mahmood Sadeghi
Delayed effects of sulfur mustard (SM) exposure on the levels of five important damage/repair proteins were investigated in 40 SM-exposed veterans of Iran-Iraq war and 35 unexposed controls. A major DNA damage biomarker protein - phosphorylated H2AX - along with four DNA repair proteins in cell response to the genome damage MRE11, NBS1, RAD51, and XPA were evaluated in blood lymphocytes from the veterans and controls using western blotting. Mean levels of XPA, MRE11, RAD51 and NBS1 were lower in SM-exposed patients and the decrease in NBS1 was significant...
December 4, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29217407/can-we-predict-intermediate-syndrome-a-review
#12
REVIEW
Chanika Alahakoon, Tharaka Lagath Dassanayake, Indika Bandara Gawarammana, Vajira Senaka Weerasinghe
INTRODUCTION: Ingestion of organophosphorus insecticides (OPI) is a common method of deliberate self harm in the developing world. Deaths mainly follow as a result of the respiratory failure associated with both cholinergic crisis and the intermediate syndrome. Even though death can be prevented by early mechanical ventilation of these patients, limited studies are available regarding the prediction of intermediate syndrome and subsequent respiratory failure. OBJECTIVE: To systematically review articles that are published with regard to possible prediction of intermediate syndrome using clinical, biochemical and electrophysiological parameters...
December 4, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/29216949/-effects-of-n-butylphthalide-on-the-expressions-of-calpain-1-and-camk-ii-in-hippocampus-in-rats-with-acute-severe-carbon-monoxide-poisoning
#13
Qin Li, Xiaoyu Ding, Weikang Bi, Jinglin Wang, Yong Zou
OBJECTIVE: To investigate the effects of N-butylphthalide (NBP) on cognitive function in acute severe carbon monoxide (CO) poisoning rats and its mechanism. METHODS: 120 health Sprague-Dawley (SD) rats were randomly divided into three groups (n = 40): normal control group (NC group), CO poisoning group (CO group) and NBP treatment group (NBP group). The acute severe CO poisoning model was established in a hyperbaric oxygen chamber by intoxicated with 1 000 ×10-6 CO for 40 minutes, followed with 3 000 ×10-6 CO for another 20 minutes, and then received hyperbaric oxygen therapy 1...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29216936/-experimental-basis-and-clinical-practice-of-bacterial-poison-and-cure-sepsis
#14
Zhijun Li, Yinping Li
Since the 20th century, research team of Professor Wang Jinda in the Tianjin First Central Hospital has been using blood circulation drugs to rescue critically ill patients for 70 years. With the deepening of the understanding of sepsis, put forward the "bacteria and inflammation and governance" theory, and the use of blood circulation drugs Xuebijing injection with anti-endotoxin and inflammatory mediators effect in the treatment of sepsis, some clinical efficacy has been found. However, in recent years, the progress of treatment of sepsis at home and abroad is slow, we review a series of animal experiments since the late of 1980s, and found that small thrombosis in the microcirculation and coagulation disorders play a more important role in the development of local infection to sepsis transition...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29216365/tyrosyl-dna-phosphodiesterases-rescuing-the-genome-from-the-risks-of-relaxation
#15
Ajinkya S Kawale, Lawrence F Povirk
Tyrosyl-DNA Phosphodiesterases 1 (TDP1) and 2 (TDP2) are eukaryotic enzymes that clean-up after aberrant topoisomerase activity. While TDP1 hydrolyzes phosphotyrosyl peptides emanating from trapped topoisomerase I (Top I) from the 3' DNA ends, topoisomerase 2 (Top II)-induced 5'-phosphotyrosyl residues are processed by TDP2. Even though the canonical functions of TDP1 and TDP2 are complementary, they exhibit little structural or sequence similarity. Homozygous mutations in genes encoding these enzymes lead to the development of severe neurodegenerative conditions due to the accumulation of transcription-dependent topoisomerase cleavage complexes underscoring the biological significance of these enzymes in the repair of topoisomerase-DNA lesions in the nervous system...
December 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29215130/use-of-anticoagulant-rodenticides-in-outdoor-urban-areas-considerations-and-proposals-for-the-protection-of-public-health-and-non-target-species
#16
M Dutto, D Di Domenico, M Rubbiani
Rodent control operations represent an important tool for the prevention and management of infestations, in outdoor environments, by synanthropic rodents (Rattus rattus and R. norvegicus), which are a source of economic and environmental damage with significant sanitary implications. Although the use of anticoagulants is safer to humans and pets compared to the use of acute poisoning substances, an intrinsic hazard of the active ingredients exists, i.e. the possible poisoning of non-target organisms (e.g., children, pets and wildlife) following exposure...
January 2018: Annali di Igiene: Medicina Preventiva e di Comunità
https://www.readbyqxmd.com/read/29214597/fabrication-and-characterization-of-new-composite-tio2-carbon-nanofiber-anodic-catalyst-support-for-direct-methanol-fuel-cell-via-electrospinning-method
#17
N Abdullah, S K Kamarudin, L K Shyuan, N A Karim
Platinum (Pt) is the common catalyst used in a direct methanol fuel cell (DMFC). However, Pt can lead towards catalyst poisoning by carbonaceous species, thus reduces the performance of DMFC. Thus, this study focuses on the fabrication of a new composite TiO2 carbon nanofiber anodic catalyst support for direct methanol fuel cells (DMFCs) via electrospinning technique. The distance between the tip and the collector (DTC) and the flow rate were examined as influencing parameters in the electrospinning technique...
December 6, 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29211141/hospitalizations-due-to-drug-poisoning-in-under-five-year-old-children-in-brazil-2003-2012
#18
Marta da Cunha Lobo Souto Maior, Claudia Garcia Serpa Osorio-de-Castro, Carla Lourenço Tavares de Andrade
OBJECTIVE: to describe hospitalizations due to drug poisonings in children under five years old, in Brazil, from 2003 to 2012. METHODS: descriptive study, with data from the National Hospital Information System (SIH/SUS); the drugs involved were divided into therapeutic classes, according to the Anatomical Therapeutic Chemical Classification (ATC). RESULTS: 17,725 hospitalizations were identified, from which 22,395 poisonings were identified, and 75 deaths; the most common therapeutic classes were unspecified drugs (38...
October 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/29210340/homicidal-methanol-poisoning-in-filicide-suicide
#19
Asit K Sikary, C Behera
Most methanol poisonings are accidental. We present a rare case of filicide-suicide, where a youth was killed by methanol poisoning and his parents then committed suicide by jumping in front of a running train. The father's suicide note explains the crime.
December 2017: Medico-legal Journal
https://www.readbyqxmd.com/read/29209533/vinorelbine-in-braf-v600e-mutated-metastatic-colorectal-cancer-a-prospective-multicentre-phase-ii-clinical-study
#20
Chiara Cremolini, Filippo Pietrantonio, Gianluca Tomasello, Vincenzo Dadduzio, Roberto Moretto, Federica Morano, Marta Schirripa, Carlotta Antoniotti, Giovanni Fucà, Francesca Bergamo, Daniele Rossini, Federico Nichetti, Stamatia Ziampiri, Michele Ghidini, Federica Marmorino, Michele Prisciandaro, Alfredo Falcone, Filippo De Braud, Fotios Loupakis, Sara Lonardi
Background: BRAF V600E mutation defines a specific colorectal cancer (CRC) subgroup with poor prognosis. Promising preclinical data showed synthetically lethal activity of mitotic spindle poisons on BRAF-mutated and BRAF-like CRC models. We designed a phase II trial to test the activity of vinorelbine in patients with BRAF V600E mutated metastatic CRC (mCRC). Patients and methods: Patients progressed to or not deemed eligible for standard treatments received oral (60 mg/sqm) or intravenous (25 mg/sqm) vinorelbine, on days 1 and 8 every 21 days...
2017: ESMO Open
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