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https://www.readbyqxmd.com/read/29217886/methylene-blue-induced-methemoglobinemia-with-acute-kidney-injury-in-a-glucose-6-phosphate-dehydrogenase-deficient-patient
#1
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/29214385/sealing-effects-on-the-storage-stability-of-the-cyanide-antidotal-candidate-dimethyl-trisulfide
#2
Lóránd Kiss, Anna Duke, Kristof Kovacs, Tibor Barcza, Márton Kiss, Ilona Petrikovics, David E Thompson
BACKGROUND: Dimethyl trisulfide (DMTS) is a highly lipid-soluble cyanide (CN) antidote candidate molecule. In prior studies with various US FDA-approved co-solvents, surfactants, and their combinations, aqueous solutions containing 15% polysorbate 80 (Poly80) were found to effectively solubilize DMTS in formulations for intramuscular administration. However, DMTS formulated in 15% aqueous Poly80 solutions showed gradual losses over time when stored in vials with septum-based seals. OBJECTIVE: The present study tested whether storing DMTS formulations in hermetically sealed glass ampules could mitigate storage losses...
December 6, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/29207467/review-of-ethnomedicinal-uses-phytochemistry-and-pharmacological-properties-of-euclea-natalensis-a-dc
#3
REVIEW
Alfred Maroyi
Euclea natalensis is traditionally used as herbal medicine for several human diseases and ailments in tropical Africa. This study reviews information on ethnomedicinal uses, botany, phytochemical constituents, pharmacology and toxicity of E. natalensis. Results of this study are based on literature search from several sources including electronic databases, books, book chapters, websites, theses and conference proceedings. This study showed that E. natalensis is used as traditional medicine in 57.1% of the countries where it is indigenous...
December 2, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29203352/in%C3%A2-vivo-evaluation-of-antipyretic-effects-of-some-homeopathic-ultra-high-dilutions-on-baker-s-yeast-induced-fever-on-similia-principle
#4
Saeed Ahmad, Tayyeba Rehman, Waheed Mumtaz Abbasi
BACKGROUND: Homeopathy is a controversial alternative system of medicine. The action of homeopathic medicines is considered slow and it is assumed that homeopathic medicines are ineffective in acute conditions such as fever. OBJECTIVE: In the present study, effects of 3 homeopathic medicines on baker's yeast induced fever were investigated. MATERIALS AND METHODS: 42 local strain rabbits were equally divided into 7 groups. Normal saline was orally administered to group 1 (normal control) rabbits without fever induction...
December 1, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/29196951/behavioral-and-biochemical-effects-of-n-acetylcysteine-in-zebrafish-acutely-exposed-to-ethanol
#5
Ricieri Mocelin, Matheus Marcon, Simone D'ambros, Ana P Herrmann, Alex Sander da Rosa Araujo, Angelo Piato
Alcohol hangover refers to unpleasant symptoms experienced as a direct consequence of a binge drinking episode. The effects observed in this condition are related to the increase in alcohol metabolites and imbalance in oxidative status. N-acetylcysteine (NAC) is a mucolytic agent and an antidote for paracetamol overdose. Preclinical and clinical studies have shown that NAC is a multi-target drug acting through neuroprotective, antioxidant and neurotrophic mechanisms as well as a glutamate modulator. The aim of this study was to investigate the effects of NAC in zebrafish acutely exposed to ethanol (EtOH)...
December 1, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/29195589/factors-associated-with-naloxone-administration-in-an-opioid-dependent-sample
#6
Shannon R Kenney, Bradley J Anderson, Genie L Bailey, Michael D Stein
INTRODUCTION: Naloxone is a safe and effective antidote for reversing opioid overdose. Layperson administration of naloxone is increasingly common, yet little is known about demographic and clinical factors associated with opioid users' likelihood of having administered naloxone to another opioid user who had overdosed. We examined predictors of reported naloxone administration in the past year. METHODS: Four hundred and sixty-eight patients were interviewed upon admission to brief, inpatient opioid detoxification between May and December of 2015...
January 2018: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/29188771/hplc-and-gc-ms-identification-and-quantification-of-strychnine-and-brucine-in-strychnos-nux-vomica-leaves
#7
P N Prasad Maddisetty, V A Doss, Mohanasundaram S, Srinivasarao V, Mohanbabu T
In this study, we have aimed to analyze the phytochemical composition of this plant and the concentration of strychnine and brucine. The identification of bioactive compounds was done by GC-MS with NIST Library. Strychnine and Brucine were quantified using HPLC. Twenty one medicinal bio active compounds were identified from the Strychnos nux-vomica leaf ethanolic extract. Strychnine is showing 28.43% purity and brucine was not detected in GCMS analysis. Quantified the concentration of strychnine (0.6 mg in 500mg of extract) and brucine (1...
November 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29185196/acmt-position-statement-addressing-the-rising-cost-of-prescription-antidotes
#8
Maryann Mazer-Amirshahi, Andrew Stolbach, Lewis S Nelson
Antidotal therapy is an essential component of poisoning management. In recent years, there have been unprecedented increases in the costs of antidotes. The American College of Medical Toxicology calls upon providers, hospitals, formularies pharmaceutical industry, government, insurance companies, and pharmacy benefit managers to adopt practices to ensure that antidotes are available to our patients and price are based on value and cost.
November 28, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/29183814/sulfur-mustard-resistant-keratinocytes-obtained-elevated-glutathione-levels-and-other-changes-in-the-antioxidative-defense-mechanism
#9
Simone Rothmiller, Sarah Schröder, Romano Strobelt, Markus Wolf, Jin Wang, Xiqian Jiang, Franz Worek, Dirk Steinritz, Horst Thiermann, Annette Schmidt
BACKGROUND: Sulfur mustard (SM) is a potent blistering chemical warfare agent, which was first used in 1917. Despite the Chemical Weapons Convention, a use was recently reported in Syria in 2015. This emphasizes the importance to develop countermeasures against chemical warfare agents. Despite intensive research, there is still no antidote or prophylaxis available against SM. METHODS: The newly developed SM-resistant keratinocyte cell line HaCaT/SM was used to identify new target structures for drug development, particularly the adaptations in protective measures against oxidative stress...
November 25, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29177779/ethanolic-extract-of-fenugreek-seeds-moderates-dimethoate-induced-pancreatic-damage-in-male-rats
#10
Dalia I A Mesallam, Omaima I Abdel Hamid, Nahla E Ibrahem
Dimethoate is a widely used organophosphate insecticide known to be toxic to the pancreas. The aim of this study is to detect the possible protective effects of the fenugreek seed ethanolic extract on the biochemical, histological, and ultra-structural abnormalities induced by dimethoate chronic exposure in the pancreas of adult male rats. The study was conducted on 50 adult male albino rats that were divided equally into 5 groups: (group I) negative control, (group II) vehicle control group, (group III) fenugreek-treated group that was given 400 mg/kg ethanolic fenugreek seed extract once daily, (group IV) dimethoate group received 20 mg/kg/day dimethoate, and (group V) dimethoate- + fenugreek-treated group received a combination of dimethoate and fenugreek in the same previous doses...
November 25, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29174984/efficacy-of-anti-inflammatory-antibiotic-and-pleiotropic-agents-in-reversing-nitrogen-mustard-induced-injury-in-ex-vivo-cultured-rabbit-cornea
#11
Dinesh G Goswami, Rama Kant, Neera Tewari-Singh, Rajesh Agarwal
Vesicating agent, Sulfur mustard (SM), causes devastating eye injury; however, there are no effective antidotes available. Using nitrogen mustard (NM), a bi-functional analog of SM, we have earlier reported that NM-induced corneal injury in ex vivo rabbit cornea organ culture model parallels corneal injury reported with SM. Using this model, we have demonstrated the therapeutic efficacy of dexamethasone (DEX), doxycycline (DOX) and silibinin (SB) in reversing NM (2h exposure)-induced corneal injuries when added immediately after washing NM...
November 23, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29164462/ameliorative-effect-of-the-anticancer-agent-salinomycin-on-cadmium-induced-hepatotoxicity-and-renal-dysfunction-in-mice
#12
Kalina Kamenova, Yordanka Gluhcheva, Ivelin Vladov, Silviya Stoykova, Juliana Ivanova
This study presents experimental data on the effects of the tetraethylammonium salt of salinomycinic acid (Sal) on Cd-induced hepatotoxicity and renal dysfunction in Cd-treated mice compared to those of meso-2,3-dimercaptosuccinic acid (DMSA). Forty 60-day-old male ICR mice were randomized into five groups: control group (untreated mice), Cd group (Cd(II) acetate 20 mg/kg body weight provided orally once per day for 14 days), Cd + DMSA group (exposed to Cd(II) acetate as the Cd-exposed group followed by DMSA 20 mg/kg body weight provided orally once per day for 14 days), and Cd + Sal group (exposed to Cd(II) acetate as the Cd-exposed group followed by Sal 20 mg/kg body weight once per day for 14 days)...
November 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29162122/overdose-prevention-training-with-naloxone-distribution-in-a-prison-in-oslo-norway-a-preliminary-study
#13
Aase Grønlien Petterson, Desiree Madah-Amiri
BACKGROUND: Prison inmates face a ten times increased risk of experiencing a fatal drug overdose during their first 2 weeks upon release than their non-incarcerated counterparts. Naloxone, the antidote to an opioid overdose, has been shown to be feasible and effective when administered by bystanders. Given the particular risk that newly released inmates face, it is vital to assess their knowledge about opioid overdoses, as well as the impact of brief overdose prevention training conducted inside prisons...
November 21, 2017: Harm Reduction Journal
https://www.readbyqxmd.com/read/29155899/subtle-variation-within-conserved-effector-operon-gene-products-contributes-to-t6ss-mediated-killing-and-immunity
#14
Christopher J Alteri, Stephanie D Himpsl, Kevin Zhu, Haley L Hershey, Ninette Musili, Jessa E Miller, Harry L T Mobley
Type VI secretion systems (T6SS) function to deliver lethal payloads into target cells. Many studies have shown that protection against a single, lethal T6SS effector protein requires a cognate antidote immunity protein, both of which are often encoded together in a two-gene operon. The T6SS and an effector-immunity pair is sufficient for both killing and immunity. HereIn this paper we describe a T6SS effector operon that differs from conventional effector-immunity pairs in that eight genes are necessary for lethal effector function, yet can be countered by a single immunity protein...
November 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/29155040/radiolabelled-soman-binding-to-sera-from-rats-guinea-pigs-and-monkeys
#15
David E Lenz, Douglas Cerasoli, Donald M Maxwell
Soman is a highly toxic organophosphorus chemical warfare compound that binds rapidly and irreversibility to a variety of serine active enzymes, i.e., butyryl- and acetyl-cholinesterases and carboxylesterase. The in vivo toxicity of soman has been reported to vary significantly in different animal species, such as rats and guinea pigs or non-human primates. This species variation makes it difficult to identify appropriate animal models for therapeutic drug development under the US Food and Drug Administration (FDA) Animal Rule...
November 15, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29151425/-paraquat-poisoning-mechanism-and-its-clinical-treatment-progress
#16
Baisheng Sun, Yuezhong He
Paraquat (PQ) as a kind of sterile and herbicides, has effects of contact-kill and systemic action, which can be absorbed quickly by green plants and make them wither and die. Therefore, it is widely used in the agricultural production and occupies a large part in our country's pesticide market. PQ poisoning has become one of the most common pesticide poisoning in our country. PQ can be passivated when combining with soil, but it has great toxicity for human. There are still no specific antidotes for PQ poisoning at home and abroad, and the death rate of PQ oral poisoning is up to 95%...
November 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29148295/is-naloxone-the-best-antidote-to-reverse-tramadol-induced-neuro-respiratory-toxicity-in-overdose-an-experimental-investigation-in-the-rat
#17
Camille Lagard, Isabelle Malissin, Wassila Indja, Patricia Risède, Lucie Chevillard, Bruno Mégarbane
CONTEXT: Since the banning of dextropropoxyphene from the market, overdoses, and fatalities attributed to tramadol, a WHO step-2 opioid analgesic, have increased markedly. Tramadol overdose results not only in central nervous system (CNS) depression attributed to its opioid properties but also in seizures, possibly related to non-opioidergic pathways, thus questioning the efficiency of naloxone to reverse tramadol-induced CNS toxicity. OBJECTIVE: To investigate the most efficient antidote to reverse tramadol-induced seizures and respiratory depression in overdose...
November 17, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/29148292/cholestatic-liver-injury-as-a-side-effect-of-dabigatran-and-the-use-of-coagulation-tests-in-dabigatran-intoxication-and-after-reversal-by-idarucizumab-in-bleeding-and-sepsis
#18
Willemijn J Comuth, Anne-Mette Haase, Linda Ø Henriksen, Jerzy Malczynski, Daan van de Kerkhof, Anna-Marie B Münster
Idarucizumab, an antidote specific for dabigatran, became available recently. Dabigatran is not associated with increased risk of hepatotoxicity in comparison with warfarin, but it is seen as a rare side-effect. Cases of cholestatic liver injury due to dabigatran have not been reported previously. We present a case of severe gastro-intestinal bleeding with underlying dabigatran intoxication in a patient with renal failure and the effect of reversal of dabigatran using idaruzicumab on coagulation assays. International normalized ratio (INR) and activated partial thromboplastin time (APTT) results were elevated in a setting of sepsis, possibly due to liver failure...
November 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29142562/drug-poisoning-and-associated-factors-in-western-saudi-arabia-a-five-year-retrospective-chart-review-2011-2016
#19
Sami H Alzahrani, Ali H Alqahtani, Fayssal Mostafa Farahat, Mohammed Abdel Galil Elnour, Jamil Bashawri
Objective: Drug poisoning is a globally common cause of emergency-room admissions. This study explores drug-poisoning prevalence patterns, associated risk factors (gender, age and exposure circumstances), and outcomes in western Saudi Arabia. Methods: Retrospective analysis of Clinical drug poisoning cases (2011-2016). The data were retrieved from the Saudi Ministry of Health's record and Patients' medical charts were analyzed. Results: The Ministry of Health received 1,474 reports of drug poisoning during 2011-2016...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29141200/phosgene-oxime-injury-and-associated-mechanisms-compared-to-vesicating-agents-sulfur-mustard-and-lewisite
#20
Dinesh Giri Goswami, Rajesh Agarwal, Neera Tewari-Singh
Phosgene Oxime (CX, Cl2CNOH), a halogenated oxime, is a potent chemical weapon that causes immediate acute injury and systemic effects. CX, grouped together with vesicating agents, is an urticant or nettle agent with highly volatile, reactive, corrosive, and irritating vapor, and has considerably different chemical properties and toxicity compared to other vesicants. CX is absorbed quickly through clothing with faster cutaneous penetration compared to other vesicating agents causing instantaneous and severe damage...
November 12, 2017: Toxicology Letters
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