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https://www.readbyqxmd.com/read/28551710/on-the-mechanisms-of-melatonin-in-protection-of-aluminum-phosphide-cardiotoxicity
#1
Mohammad Hossein Asghari, Milad Moloudizargari, Maryam Baeeri, Amir Baghaei, Mahban Rahimifard, Reza Solgi, Abbas Jafari, Hamed Haghi Aminjan, Shokoufeh Hassani, Ali Akbar Moghadamnia, Seyed Nasser Ostad, Mohammad Abdollahi
Aluminum phosphide (AlP), one of the most commonly used pesticides worldwide, has been the leading cause of self-poisoning mortalities among many Asian countries. The heart is the main organ affected in AlP poisoning. Melatonin has been previously shown to be beneficial in reversing toxic changes in the heart. The present study reveals evidence on the probable protective effects of melatonin on AlP-induced cardiotoxicity in rats. The study groups included a control (almond oil only), ethanol 5% (solvent), sole melatonin (50 mg/kg), AlP (16...
May 27, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28551601/sequential-episodes-of-ethylene-glycol-poisoning-in-the-same-person
#2
Jaya Prakash Sugunaraj, Lokendra Kumar Thakur, Kunal Kishor Jha, Ion Dan Bucaloiu
Ethylene glycol is a common alcohol found in many household products such as household hard surface cleaner, paints, varnish, auto glass cleaner and antifreeze. While extremely toxic and often fatal on ingestion, few cases with early presentation by the patient have resulted in death; thus, rapid diagnosis is paramount to effectively treating ethylene glycol poisoning. In this study, we compare two sequential cases of ethylene glycol poisoning in a single individual, which resulted in strikingly different outcomes...
May 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28549866/venom-of-the-peruvian-snake-bothriopsis-oligolepis-detection-of-antibacterial-activity-and-involvement-of-proteolytic-enzymes-and-c-type-lectins-in-growth-inhibition-of-staphylococcus-aureus
#3
M A Sulca, C Remuzgo, J Cárdenas, S Kiyota, E Cheng, M P Bemquerer, M T Machini
There is a rising interest in snake venoms proteins (SVPs) because these macromolecules are related to pharmacological properties that manifest themselves during poisoning and can lead to secondary microbial infections. Interestingly, researchers have somehow neglected the antimicrobial activity of SVPs. The aims of this study were: (i) to verify whether the venom of the Peruvian snake Bothriopsis oligolepis displays such activity; (ii) to isolate and identify some its antimicrobial constituents. Liquid growth inhibition assays revealed that the crude venom inhibited the growth of Gram-positive and Gram-negative bacteria, but not of Candida species...
May 23, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28549573/the-dose-makes-the-poison-nutritional-overload-determines-the-life-traits-of-blood-feeding-arthropods
#4
REVIEW
Marcos Sterkel, José Henrique M Oliveira, Vanessa Bottino-Rojas, Gabriela O Paiva-Silva, Pedro L Oliveira
Vertebrate blood composition is heavily biased towards proteins, and hemoglobin, which is a hemeprotein, is by far the most abundant protein. Typically, hematophagous insects ingest blood volumes several times their weight before the blood meal. This barbarian feast offers an abundance of nutrients, but the degradation of blood proteins generates toxic concentrations of amino acids and heme, along with unparalleled microbiota growth. Despite this challenge, hematophagous arthropods have successfully developed mechanisms that bypass the toxicity of these molecules...
May 23, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/28547870/survival-without-peripheral-neuropathy-after-massive-acute-arsenic-poisoning-treated-by-2-3-dimercaptopropane-1-sulphonate
#5
P-H Lu, J-C Tseng, C-K Chen, C-H Chen
WHAT IS KNOWN AND OBJECTIVE: Massive acute arsenic poisoning is rare yet potentially life-threatening. 2,3-dimercaptopropane-1-sulphonate (DMPS) appears to have the appropriate chelating property. However, clinical experience on the use of DMPS in massive arsenic poisoning is limited. CASE DESCRIPTION: A 37-year-old woman attempted suicide by ingesting 37.5 g of arsenic trioxide. DMPS was promptly initiated based on history and clinical symptoms. The patient recovered completely, with no complications or side effects of the therapy...
May 25, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28545504/a-case-report-of-zinc-phosphide-poisoning-complicated-by-acute-renal-failure-and-tubulo-interstitial-nephritis
#6
Nilukshana Yogendranathan, H M M T B Herath, Thenuka Sivasundaram, R Constantine, Aruna Kulatunga
BACKGROUND: Run Rat® is a rodenticide widely used against small mammals. It comprises of a minimum of 32% zinc phosphide which is highly toxic in acute exposures to humans. It may be consumed accidentally or intentionally. It enters the body via skin, respiratory and gastrointestinal tracts. Zinc phosphide is hydrolyzed by the gastric acid and is transformed into phosphine gas. Phosphine is a respiratory toxin that inhibits cytochrome C oxidase system resulting in renal failure and liver failure...
May 25, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28544095/phenotypic-assays-for-mycobacterium-tuberculosis-infection
#7
Ok-Ryul Song, Nathalie Deboosere, Vincent Delorme, Christophe J Queval, Gaspard Deloison, Elisabeth Werkmeister, Frank Lafont, Alain Baulard, Raffaella Iantomasi, Priscille Brodin
Tuberculosis (TB) is still a major global threat, killing more than one million persons each year. With the constant increase of Mycobacterium tuberculosis strains resistant to first- and second-line drugs, there is an urgent need for the development of new drugs to control the propagation of TB. Although screenings of small molecules on axenic M. tuberculosis cultures were successful for the identification of novel putative anti-TB drugs, new drugs in the development pipeline remains scarce. Host-directed therapy may represent an alternative for drug development against TB...
May 19, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28542985/cholinesterase-reactivators-and-bioscavengers-for-pre-and-post-exposure-treatments-of-organophosphorus-poisoning
#8
REVIEW
Patrick Masson, Florian Nachon
Organophosphorus agents (OPs) irreversibly inhibit acetylcholinesterase (AChE) causing a major cholinergic syndrome. The medical counter-measures of OP poisoning have not evolved for the last 30 years with carbamates for pretreatment, pyridinium oximes-based AChE reactivators, antimuscarinic drugs and neuroprotective benzodiazepines for post-exposure treatment. These drugs ensure protection of peripheral nervous system and mitigate acute effects of OP lethal doses. However, they have significant limitations...
May 21, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28542227/health-beliefs-of-school-age-rural-children-in-podoconiosis-affected-families-a-qualitative-study-in-southern-ethiopia
#9
Abebayehu Tora, Getnet Tadele, Abraham Aseffa, Colleen M McBride, Gail Davey
BACKGROUND: Several studies have suggested investigation of health beliefs in children to be an important pre-condition for primary prevention of disease. However, little effort has been made to understand these in the context of podoconiosis. This study therefore aimed to explore the health beliefs of school-age rural children in podoconiosis-affected families. METHODOLOGY/PRINCIPAL FINDINGS: A cross sectional qualitative study was conducted in March 2016 in Wolaita Zone, Southern Ethiopia...
May 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28541758/suicide-risk-in-young-men-and-women-after-substance-intoxication
#10
Marlene Stenbacka, Mats Samuelsson, Peter Nordström, Jussi Jokinen
This study investigates suicide and overdoses in 1119 consecutive patients (64% women), 15 to 34 years of age, presenting at the emergency department after self-poisoning from1994 to 2000 and followed regarding death up to 2006. Regression and Kaplan-Meier survival analyses were performed for suicide and other causes of death. The patients had about a 60 times higher risk (SMR = 61.95) of death due to suicide and 26 times higher (SMR = 26.47) for all-cause mortality. Men had a nearly two times higher risk for suicide than women and half of the suicides occurred during the first two years after admission...
May 25, 2017: Archives of Suicide Research: Official Journal of the International Academy for Suicide Research
https://www.readbyqxmd.com/read/28541002/effects-of-paraquat-ban-on-herbicide-poisoning-related-mortality
#11
Dong Ryul Ko, Sung Phil Chung, Je Sung You, Soohyung Cho, Yongjin Park, Byeongjo Chun, Jeongmi Moon, Hyun Kim, Yong Hwan Kim, Hyun Jin Kim, Kyung Woo Lee, SangChun Choi, Junseok Park, Jung Soo Park, Seung Whan Kim, Jeong Yeol Seo, Ha Young Park, Su Jin Kim, Hyunggoo Kang, Dae Young Hong, Jung Hwa Hong
PURPOSE: In Korea, registration of paraquat-containing herbicides was canceled in November 2011, and sales thereof were completely banned in November 2012. We evaluated the effect of the paraquat ban on the epidemiology and mortality of herbicide-induced poisoning. MATERIALS AND METHODS: This retrospective study analyzed patients treated for herbicide poisoning at 17 emergency departments in South Korea between January 2010 and December 2014. The overall and paraquat mortality rates were compared pre- and post-ban...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28540206/acute-kidney-injury-from-different-poisonous-substances
#12
Rubina Naqvi
AIM: To report our experience of acute kidney injury (AKI) developed after exposure to poisonous substance. METHODS: Retrospective study where data was collected from case records of patients coming to this institute during January 1990 to May 2016. This institution is a tertiary care center for renal care in the metropolitan city of Karachi, Pakistan. History of ingested substance, symptoms on presentation, basic laboratory tests on arrival, mode of treatment and outcome were recorded from all patients and are presented here...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28539940/horizontal-and-vertical-distribution-of-heavy-metals-in-farm-produce-and-livestock-around-lead-contaminated-goldmine-in-dareta-and-abare-zamfara-state-northern-nigeria
#13
O E Orisakwe, O O Oladipo, G C Ajaezi, N A Udowelle
Background. Hitherto studies in response to the June 2010 lead poisoning, Zamfara State, Nigeria, have focused on clinical interventions without information on livestock and other metals. Objective. This study has investigated the distribution of heavy metals in farm produce and livestock around lead-contaminated goldmine in Dareta and Abare, Zamfara State, Nigeria. Methods. Vegetables, soil, water, blood, and different meat samples were harvested from goat, sheep, cattle, and chicken from Dareta, Abare, and Gusau communities...
2017: Journal of Environmental and Public Health
https://www.readbyqxmd.com/read/28539746/protective-effect-of-sorrel-extract-on-adult-rats-treated-by-carbon-tetrachloride
#14
Abdullah Glil Alkushi
CONTEXT: Heart, kidneys, and liver are the vital organs present in vertebrates and some other animals. They have a wide range of functions, such as maintaining homeostasis, detoxification, protein synthesis, and production of biochemical, that are necessary for digestion and maintaining circulation. These organs are necessary for the survival, and currently, there are no means to compensate for the absence of their functionalities in a long term. The damage of liver can affect other vital organs, including kidneys and heart...
April 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28539714/evaluation-of-herb-drug-interactions-of-hovenia-dulcis-fruit-extracts
#15
Jong Suk Park, Shaheed Ur Rehman, In Sook Kim, Min Sun Choi, Chun-Soo Na, Hye Hyun Yoo
BACKGROUND: Hovenia dulcis (Rhamnaceae) fruits are popularly used as herbal medicines or dietary supplements in Asian countries due to functions such as liver protection and detoxification from alcohol poisoning. Accordingly, it is very likely for dietary supplemental products, including H. dulcis fruit extracts, to be taken with prescription drugs. OBJECTIVE: In this study, possible food-drug interactions involving H. dulcis fruit extracts were evaluated based on the inhibition of cytochrome P450 (CYP) enzyme activity...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28536863/chemical-exposure-and-infant-leukaemia-development-of-an-adverse-outcome-pathway-aop-for-aetiology-and-risk-assessment-research
#16
REVIEW
Olavi Pelkonen, Andrea Terron, Antonio F Hernandez, Pablo Menendez, Susanne Hougaard Bennekou
Infant leukaemia (<1 year old) is a rare disease of an in utero origin at an early phase of foetal development. Rearrangements of the mixed-lineage leukaemia (MLL) gene producing abnormal fusion proteins are the most frequent genetic/molecular findings in infant B cell-acute lymphoblastic leukaemia. In small epidemiological studies, mother/foetus exposures to some chemicals including pesticides have been associated with infant leukaemia; however, the strength of evidence and power of these studies are weak at best...
May 23, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28535979/mirtazapine-fatal-poisoning
#17
Claudia Vignali, Angelo Groppi, Francesca Brandolini, Francesco Maria Avato, Anna Talarico, Rosa Maria Gaudio, Luca Morini
Mirtazapine is a noradrenergic and specific serotoninergic antidepressant agent that stimulates norepinephrine and serotonin release while also blocking serotonin receptors (5-HT2 and 5-HT3). Although the drug is used extensively, at present we do not know of any fatal cases due to mirtazapine alone. On the contrary, the published literature describes several fatal poisoning cases related to the intake of mirtazapine together with other drugs. Here we describe a fatal case of mirtazapine self-poisoning, since the other drug detected (lorazepam), was within the therapeutic range...
May 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28535450/the-global-burden-of-fatal-self-poisoning-with-pesticides-2006-15-systematic-review
#18
REVIEW
Emma J Mew, Prianka Padmanathan, Flemming Konradsen, Michael Eddleston, Shu-Sen Chang, Michael R Phillips, David Gunnell
BACKGROUND: Agricultural pesticide poisoning is a major contributor to the global burden of suicide. Over the last decade there has been a marked decrease in the incidence of suicide worldwide. It is unclear whether pesticide poisoning still plays a significant role in the global incidence of suicide. METHODS: WHO method-specific suicide data were supplemented by a systematic review of the literature between 2006 and 2015, including searches of thirteen electronic databases and Google, citation searching and a review of reference lists and personal collections...
May 12, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28535126/activated-charcoal-significantly-reduces-the-amount-of-colchicine-released-from-gloriosa-superba-in-simulated-gastric-and-intestinal-media
#19
Shukry Zawahir, Indika Gawarammana, Paul I Dargan, Mahfoudh Abdulghni, Andrew H Dawson
BACKGROUND: Poisoning with Gloriosa superba, a plant containing colchicine, is common in Sri Lanka. OBJECTIVES: This study was to estimate release of colchicine from 5 g of different parts of Gloriosa superba in simulated gastric and intestinal media, and examine the binding efficacy of activated charcoal (AC) to colchicine within this model. METHODS: A USP dissolution apparatus-II was used to prepare samples for analysis of colchicine using HPLC...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28535124/serum-creatinine-and-cystatin-c-provide-conflicting-evidence-of-acute-kidney-injury-following-acute-ingestion-of-potassium-permanganate-and-oxalic-acid
#20
Thilini Madushanka Wijerathna, Indika Bandara Gawarammana, Dhammika Menike Dissanayaka, Chathura Palanagasinghe, Fathima Shihana, Gihani Dassanayaka, Seyed Shahmy, Zoltan Huba Endre, Fahim Mohamed, Nicholas Alan Buckley
AIM: Acute kidney injury (AKI) is common following deliberate self-poisoning with a combination washing powder containing oxalic acid (H2C2O4) and potassium permanganate (KMnO4). Early and rapid increases in serum creatinine (sCr) follow severe poisoning. We investigated the relationship of these increases with direct nephrotoxicity in an ongoing multicenter prospective cohort study in Sri Lanka exploring AKI following poisoning. METHODS: Multiple measures of change in kidney function were evaluated in 48 consenting patients who had serial sCr and serum cystatin C (sCysC) data available...
May 23, 2017: Clinical Toxicology
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