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A Didier, R Dietrich, E Märtlbauer
The non-hemolytic enterotoxin complex (Nhe) is supposed to be the main virulence factor of B. cereus causing a diarrheal outcome of food poisoning. This tripartite toxin consists of the single components NheA, -B and -C all of them being necessary for maximum toxicity. In the past, research activities aiming to elucidate the mode-of-action of Nhe were mostly focused on the B- and C-component. In this study the generation of novel monoclonal antibodies (mAb) and their thorough characterization enabled the determination of key features for NheA...
2016: PloS One
Pravin M Rathi, Pinakin S Patel
We present the case of a young woman who presented to us with multiple episodes of vomiting, followed by hematemesis and abdominal pain after consuming bottle gourd juice. The patient was resuscitated and stabilized with fluids, proton pump inhibitors and antiemetics and discharged in stable condition. As a member of the Cucurbitaceae family, bottle gourd contains toxic tetracyclic triterpenoid compounds called cucurbitacins which are responsible for the bitter taste and toxicity. There is no known antidote for this toxicity, and clinicians treat such patients symptomatically only...
October 2016: Journal of the Association of Physicians of India
Jennifer L Pilgrim, Elizabeth L Jenkins, Yeliena Baber, David Caldicott, Olaf H Drummer
BACKGROUND AND AIMS: Fatal poisonings in children comprise a small proportion of cases investigated by an Australian coroner; however, they present a major opportunity for death prevention. This study aimed to examine fatal child poisonings in Australia to 1) estimate the rate of acute poisoning deaths in children; 2) describe the key characteristics of the cohort; and 3) describe the outcomes of coronial recommendations made as a death prevention measure. DESIGN: Retrospective case series...
October 21, 2016: Addiction
Aneta Grajda, Zbigniew Kułaga, Beata Gurzkowska, Magdalena Góźdź, Małgorzata Wojtyło, Mieczysław Litwin
OBJECTIVES: To examine the pattern and trend of deaths due to external causes among Polish children and adolescents in 1999-2012, and to compare trends in Poland's neighboring countries. METHODS: Death records were obtained from the Central Statistical Office of Poland. External causes mortality rates (MR) with 95 % confidence interval were calculated. The annual percentage change of MR was examined using linear regression. To compare MR with Belarus, Ukraine, Czech Republic and Germany, data from the European Mortality Database were used...
October 20, 2016: International Journal of Public Health
Bryan M Corbett, Charles O'Connell, Mallory A Boutin, Nabil I Fatayerji, Charles W Sauer
BACKGROUND Methylergonovine is an ergot alkaloid used to treat post-partum hemorrhage secondary to uterine atony. Mistaking methylergonovine for vitamin K with accidental administration to the neonate is a rare iatrogenic illness occurring almost exclusively in the delivery room setting. Complications of ergot alkaloids in neonates include respiratory depression, seizures, and death. CASE REPORT A term infant was inadvertently given 0.1 mg of methylergonovine intramuscularly in the right thigh. The error was only noted when the vial of medication was scanned, after administration, identifying it as methylergonovine rather than vitamin K...
October 21, 2016: American Journal of Case Reports
Shinji Yasuhira, Masahiko Shibazaki, Masao Nishiya, Chihaya Maesawa
Spindle poisons elicit various cellular responses following metaphase arrest, but how they relate to long-term clonogenicity has remained unclear. We prepared several HeLa lines in which the canonical apoptosis pathway was attenuated, and compared their acute responses to paclitaxel, as well as long-term fate, with the parental line. Three-nanomolar paclitaxel induced brief metaphase arrest (<5 h) often followed by aberrant mitosis, and about 90% of the cells of each line had lost their clonogenicity after 48 h of the treatment...
October 20, 2016: Cell Cycle
Ruijie Zhang, Nana Zhang, Hai Zhang, Chunxiao Liu, Xiaoqing Dong, Xiaoxue Wang, Yu Zhu, Chong Xu, Lei Liu, Sijun Yang, Shile Huang, Long Chen
BACKGROUND AND PURPOSE: Increasing evidence has suggested cadmium (Cd), as an inducer of reactive oxygen species (ROS), is a potential pathogenic factor in human neurodegenerative diseases. Thus, it is important to find effective interventions for Cd-induced oxidative stress in the central nervous system. The purpose of this study was to determine whether and how celastrol, a plant-derived triterpene, could mitigate Cd-induced ROS and cell death in neuronal cells. EXPERIMENTAL APPROACH: PC12, SH-SY5Y cells and primary murine neurons were chosen as a model to study celastrol neuroprotection against Cd-poisoning...
October 20, 2016: British Journal of Pharmacology
Camille Detree, Gustavo Núñez-Acuña, Steven Roberts, Cristian Gallardo-Escárate
Saxitoxin (STX), a principal phycotoxin contributing to paralytic shellfish poisoning, is largely produced by marine microalgae of the genus Alexandrium. This toxin affects a wide range of species, inducing massive deaths in fish and other marine species. However, marine bivalves can resist and accumulate paralytic shellfish poisons. Despite numerous studies on the impact of STX in marine bivalves, knowledge regarding STX recognition at molecular level by benthic species remains scarce. Therefore, the aim of this study was to identify novel genes that interact with STX in the Chilean mussel Mytilus chilensis...
2016: PloS One
Christopher Rowe, Eric Vittinghoff, Glenn-Milo Santos, Emily Behar, Caitlin Turner, Phillip Coffin
OBJECTIVES: Opioid overdose mortality has tripled in the USA since 2000 and opioids are responsible for more than half of all drug overdose deaths, which reached an all-time high in 2014. Opioid overdoses resulting in death, however, represent only a small fraction of all opioid overdose events and efforts to improve surveillance of this public health problem should include tracking nonfatal overdose events. International Classification of Disease (ICD) diagnosis codes, increasingly used for the surveillance of nonfatal drug overdose events, have not been rigorously assessed for validity in capturing overdose events...
October 20, 2016: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
V S Ulanov
This paper is designed to report the results of the comparative analysis of the structural alterations in the testicles under conditions of experimental acute and chronic alcohol intoxication in the laboratory rats. It was shown that experimental acute alcohol intoxication causes only such changes that suggest the non-specific gonadal response to alcohol poisoning and represent characteristic manifestations of the general organ reactions. The chronic exposure of the experimental animals to alcohol results in more pronounced changes in the testicles the severity of which depends on the duration of alcohol consumption...
2016: Sudebno-meditsinskaia Ekspertiza
K V Vinod, S Nishanth, M V Vidya
Haemothorax is an uncommon and serious complication, occurring most often during or immediately after percutaneous internal jugular and subclavian vein catheterizations. Delayed haemothorax is a rare complication, especially following right-sided catheterization. We report a case of acute yellow phosphorus poisoning with acute liver failure (resulting from rat killer paste ingestion) in a 28-year-old male who developed right-sided haemothorax eight days after placement of right internal jugular central venous catheter...
September 2016: Journal of the Association of Physicians of India
Krishnan Mugundhan, Rajesh Shankar Iyer
Cypermethrin is a synthetic pyrethroid and pyrimethrin analogue. Cypermethrin poisoning produces neurological manifestations due to its primary target on sodium channels.1 Neuropathy following cypermethrin poisoning is common. But myelopathy is rare and not reported so far. We report a 17 year old healthy male who developed myelopathy following cypermethrin ingestion. The possible mechanism for the myelopathy in this patient is discussed.
September 2016: Journal of the Association of Physicians of India
Xiaoye Liu, Shuangyang Ding, Peijie Shi, Richard Dietrich, Erwin Märtlbauer, Kui Zhu
Bacillus cereus is an opportunistic pathogen that often causes foodborne infectious diseases and food poisoning. Non-haemolytic enterotoxin (Nhe) is the major toxin found in almost all enteropathogenic B. cereus and B. thuringiensis isolates. However, little is known about the cellular response after Nhe triggered pore formation on cell membrane. Here we demonstrate that Nhe induced cell cycle arrest at G0 /G1 phase and provoked apoptosis in Vero cells, most likely associated with mitogen-activated protein kinase (MAPK) and death receptor pathways...
October 20, 2016: Cellular Microbiology
Kimmin Kalyaniwala, Kpp Abhilash, Peter John Victor
Cartap hydrochloride is a moderately hazardous nereistoxin insecticide that is increasingly used for deliberate self-harm in India. It can cause neuromuscular weakness resulting in respiratory failure. We report a patient with 4% Cartap hydrochloride poisoning who required mechanical ventilation for 36-hours. He recovered without any neurological deficits. We also review literature on Cartap hydrochloride poisoning.
August 2016: Journal of the Association of Physicians of India
Işıl Bavunoğlu, Musa Balta, Zeynep Türkmen
BACKGROUND: There is an increasing interest in herbal products as a self-medication method in recent years. Some plant extracts either turn into drugs over time or are consumed directly without treatment. One of these plants is Nerium oleander L., which is a potentially lethal plant, since it has cardiac glycosides. However, numerous researches of its extracts have been performed against cancer cell lines in recent literature. This contradiction leads to misinterpretation and induces the prevalence of intoxication or fatal cases...
September 2016: Balkan Medical Journal
(no author information available yet)
No abstract text is available yet for this article.
November 2016: Nursing
Sophia L-Y Ling, David McD Taylor, Jeffery Robinson
OBJECTIVE: The aim of this study is to determine the period prevalence, nature and causes of workplace chemical and toxin exposures reported to the Victorian Poisons Information Centre (VPIC). PATIENTS AND METHODS: All cases classified as 'workplace: acute' when entered into the VPIC database (June 2005-December 2013) were analysed. Data were collected on patient sex, the nature of the chemical or toxin, route of exposure and season. RESULTS: Overall, 4928 cases were extracted...
October 18, 2016: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
O P Jatav, D Tiwari, Deepankar Lahariya, Jijo Varghese, Sangeeth Kumar, Jeby Jacob
Very few cases have been reported with Amitraz as a suicidal agent from India. Here we present such a case treated successfully with atropine sulphate.
July 2016: Journal of the Association of Physicians of India
Jin-Rong Huo, Xiao-Xu Wang, Lu Li, Hai-Xia Cheng, Yan-Jing Su, Ping Qian
This paper reports a study of the electronic properties, structural stability and catalytic activity of the W13@Pt42 core-shell structure using the First-principles calculations. The degree of corrosion of W13@Pt42 core-shell structure is simulated in acid solutions and through molecular absorption. The absorption energy of OH for this structure is lower than that for Pt55, which inhibits the poison effect of O containing intermediate. Furthermore we present the optimal path of oxygen reduction reaction catalyzed by W13@Pt42...
October 19, 2016: Scientific Reports
Dominique Vodovar, Bruno Mégarbane
No abstract text is available yet for this article.
October 19, 2016: Clinical Toxicology
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