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https://www.readbyqxmd.com/read/29775726/pathological-effects-of-concurrent-administration-of-aflatoxin-b-1-and-fowl-adenovirus-4-in-broiler-chicks
#1
Muhammad Noman Naseem, Muhammad Kashif Saleemi, Ahrar Khan, Aisha Khatoon, Shafia Tehseen Gul, Farzana Rizvi, Ijaz Ahmad, Ahad Fayyaz
The current study was designed to investigate pathological effects fowl adenovirus in broilers exposed to aflatoxin B1 . Fowl Adenovirus-4 (FAdV-4) infection is remerging in all types of poultry birds in Pakistan. Poultry feed contamination with mycotoxin (aflatoxin) is another important global issue. A total of 125 a-day old broiler birds were divided into six equal groups. Group A served as control. B and C groups were administered with aflatoxin B1 (AFB1 ) 100 and 200 μg/kg feed. Group D was infected with FAdV-4 while groups E and F administered with both AFB1 (100 & 200 μg/kg) along with FAdV-4...
May 15, 2018: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29774782/the-neuroprotective-effect-of-ethanol-intoxication-in-tbi-is-associated-with-the-suppression-of-erbb-signaling-in-pv-positive-interneurons
#2
Akila Chandrasekar, Florian Olde Heuvel, Martin Wepler, Rida Rehman, Annette Palmer, Alberto Catanese, Birgit Linkus, Albert Ludolph, Tobias Boeckers, Markus Huber-Lang, Peter Radermacher, Francesco Roselli
Ethanol intoxication (EI) is a frequent comorbidity of TBI, but the impact of EI on TBI pathogenic cascades and prognosis is unclear: although clinical evidence suggests that EI may have neuroprotective effects, experimental support is, to date, inconclusive. We aimed at elucidating the impact of EI on TBI-associated neurological deficits, signaling pathways and pathogenic cascades, in order to identify new modifiers of TBI pathophysiology. We have shown that ethanol administration (5g/Kg) before trauma enhances behavioral recovery in a weight-drop TBI model; neuronal survival in the injured somatosensory cortex was enhanced by EI...
May 18, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29773320/cooperative-binding-of-anti-tetanus-toxin-monoclonal-antibodies-implications-for-designing-an-efficient-biclonal-preparation-to-prevent-tetanus-toxin-intoxication
#3
Ivana Lukic, Ana Filipovic, Aleksandra Inic-Kanada, Emilija Marinkovic, Radmila Miljkovic, Marijana Stojanovic
Oligoclonal combinations of several monoclonal antibodies (MAbs) are being considered for the treatment of various infectious pathologies. These combinations are less sensitive to antigen structural changes than individual MAbs; at the same time, their characteristics can be more efficiently controlled than those of polyclonal antibodies. The main goal of this study was to evaluate the binding characteristics of six biclonal equimolar preparations (BEP) of tetanus toxin (TeNT)-specific MAbs and to investigate how the MAb combination influences the BEPs' protective capacity...
May 15, 2018: Vaccine
https://www.readbyqxmd.com/read/29773276/-psychiatric-comorbidities-of-alcohol-dependence
#4
Alain Dervaux, Xavier Laqueille
Psychiatric disorders are common among patients with alcohol dependence. Symptoms of alcohol intoxication or withdrawal need to be disentangled from symptoms of psychiatric disorders. Alcohol dependence could induce psychiatric disorders, in particular depressive disorders and anxiety disorders. Patients with psychiatric disorders may self-medicate with alcohol use. There may be common factors promoting both alcohol dependence and psychiatric disorders: about 40% of patients with alcohol dependence present personality disorders...
May 14, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29773167/optimal-dosage-and-early-intervention-of-l-ascorbic-acid-inhibiting-k-2-cr-2-o-7-induced-renal-tubular-cell-damage
#5
Tzeng-Jih Lin, Yeou-Lih Huang, Jung-San Chang, Kuan-Ting Liu, Meng-Chi Yen, Fen-Wei Chen, Yueh-Lun Shih, Jo-Chi Jao, Po-Chi Huang, I-Jeng Yeh
Chromium poisoning can cause renal failure and death. Chromium intoxication may be managed using L-ascorbic acid (vitamin C) therapy. However, the evidence supporting the effectiveness of this treatment is insufficient, and the mechanism of action has not been clarified in renal cells. In this study, our results showed that the optimal regimen of L-ascorbic acid therapy in human epithelial renal proximal tubule cells, HK-2 cells, was 30 μg/mL. Supplementation of L-ascorbic acid with 30 μg/mL and within 8 h of chromium intoxication (K2 Cr2 O7, Cr6+ ) was effective to inhibit renal tubular cell damage by blocking generation of free radicals, cell apoptosis, and autophagy...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772996/beneficial-protective-effect-of-troxerutin-on-nickel-induced-renal-dysfunction-in-wistar-rats
#6
Perumal Elangovan, Ramalingam Ramakrishnan, Kasinathan Amudha, Abdulkadhar Mohamed Jalaludeen, Gunasekaran Karuna Sagaran, Frankline Rajan Babu, Leelavinothan Pari
Nickel (Ni) is an important environmental toxicant that can cause cancer and cardiovascular disease. The aim of this study was to examine the protective effects of troxerutin (Txn) Ni-induced renal dysfunction in rats using biochemical and histopathological approaches. Nickel (20 mg/kg body weight [b.w.]/day) was administered intraperitoneally (i.p.) for 20 days. Renal damage from Ni toxicity was evident from the changed levels of serum and urinary markers in Ni-treated rats. The levels of lipid peroxidation markers also significantly increased, while the levels of nonenzymatic and enzymatic antioxidants significantly decreased in the kidney of Ni-intoxicated rats...
2018: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29772432/silymarin-prevents-apoptosis-through-inhibiting-the-bax-caspase-3-expression-and-suppresses-toll-like-receptor-4-pathway-in-the-snc-of-6-ohda-intoxicated-rats
#7
Rasool Haddadi, Alireza Mohajjel Nayebi, Shahla Eyvari Brooshghalan
BACKGROUND AND PURPOSE: Several lines of evidence show that apoptosis, oxidative stress and neuroinflammation are associated with the development of Parkinson's disease (PD). In the present study, we investigated the effect of pre-treatment with silymarin (SM) on oxidative stress, apoptosis and toll-like receptor 4 (TLR4) expression in substantia nigra pars copmacta (SNc) of 6-hydroxydopamine (6-OHDA)-lesioned rats. METHODS: Animals were pretreated with 100, 200 or 300 mg/kg of SM daily for 5 days and at 6th day 6-OHDA (8 μg/2 μl) was infused unilaterally into the central region of the SNc...
May 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29769014/effect-of-fluoride-on-major-organs-with-the-different-time-of-exposure-in-rats
#8
Thanusha Perera, Shirani Ranasinghe, Neil Alles, Roshitha Waduge
BACKGROUND: High fluoride levels in drinking water in relation to the prevalence of chronic kidney disease of unknown etiology (CKDu) in Sri Lanka were investigated using rats as an experimental model. METHOD: The effects of fluoride after oral administration of Sodium fluoride (NaF) at levels of 0, 0.5, 5 and 20 ppm F- were evaluated in adult male Wistar rats. Thirty-six rats were randomly divided into 4 groups (n = 9), namely, control, test I, II, and III...
May 16, 2018: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29768075/evaluating-mice-lacking-serum-carboxylesterase-as-a-behavioral-model-for-nerve-agent-intoxication
#9
Emily N Dunn, Teresa M Ferrara-Bowens, Mark E Chachich, Cary L Honnold, Cristin C Rothwell, Heidi M Hoard-Fruchey, Catherine A Lesyna, Erik A Johnson, Douglas M Cerasoli, John H McDonough, C Linn Cadieux
Mice and other rodents are typically utilized for chemical warfare nerve agent research. Rodents have large amounts of carboxylesterase in their blood, while humans do not. Carboxylesterase non-specifically binds to and detoxifies nerve agent. The presence of this natural bioscavenger makes mice and other rodents poor models for studies identifying therapeutics to treat humans exposed to nerve agents. To obviate this problem, a serum carboxylesterase knockout (Es1 KO) mouse was created. In this study, Es1 KO and wild type (WT) mice were assessed for differences in gene expression, nerve agent (soman; GD) median lethal dose (MLD) values, and behavior prior to and following nerve agent exposure...
May 16, 2018: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/29767818/adapting-the-risk-environment-framework-to-understand-substance-use-gender-based-violence-and-hiv-risk-behaviors-among-female-sex-workers-in-tanzania
#10
Anna M Leddy, Carol Underwood, Michele R Decker, Jessie Mbwambo, Samuel Likindikoki, Noya Galai, Deanna Kerrigan
Female sex workers (FSWs) in sub-Saharan Africa are disproportionately affected by HIV and gender-based violence (GBV). Substance use overlaps with these co-occurring epidemics to further increase FSWs' risk for negative health outcomes. We explored the relationship between substance use, GBV, and consistent condom use utilizing baseline data from a cohort of 496 FSWs in Tanzania. Results demonstrate high levels of alcohol use and GBV, and low levels of consistent condom use. Frequent intoxication during sex work was associated with increased odds of recent GBV (aOR 1...
May 16, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29765102/the-effects-of-cannabidiol-on-impulsivity-and-memory-during-abstinence-in-cigarette-dependent-smokers
#11
C Hindocha, T P Freeman, M Grabski, H Crudgington, A C Davies, J B Stroud, R K Das, W Lawn, C J A Morgan, H V Curran
Acute nicotine abstinence in cigarette smokers results in deficits in performance on specific cognitive processes, including working memory and impulsivity which are important in relapse. Cannabidiol (CBD), the non-intoxicating cannabinoid found in cannabis, has shown pro-cognitive effects and preliminary evidence has indicated it can reduce the number of cigarettes smoked in dependent smokers. However, the effects of CBD on cognition have never been tested during acute nicotine withdrawal. The present study therefore aimed to investigate if CBD can improve memory and reduce impulsivity during acute tobacco abstinence...
May 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29764468/development-and-implementation-of-a-geographical-area-categorisation-method-with-targeted-performance-indicators-for-nationwide-ems-in-finland
#12
Jukka Pappinen, Päivi Laukkanen-Nevala, Pekka Mäntyselkä, Jouni Kurola
BACKGROUND: In Finland, hospital districts (HD) are required by law to determine the level and availability of Emergency Medical Services (EMS) for each 1-km2 sized area (cell) within their administrative area. The cells are currently categorised into five risk categories based on the predicted number of missions. Methodological defects and insufficient instructions have led to incomparability between EMS services. The aim of this study was to describe a new, nationwide method for categorising the cells, analyse EMS response time data and describe possible differences in mission profiles between the new risk category areas...
May 15, 2018: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29763691/insights-on-the-age-dependent-neurodegeneration-induced-by-monocrotophos-an-organophosphorous-insecticide-in-caenorhabditis-elegans-fed-high-glucose-evidence-in-wild-and-transgenic-strains
#13
Chinnu Salim, Nidheesh Thadathil, M Muralidhara, P S Rajini
The higher susceptibility of high glucose fed C. elegans to Monocrotophos (MCP, an organophosphorus insecticide) - induced dopaminergic (DA) neuronal degeneration was recently demonstrated. Employing this acute exposure model, the impact of MCP on DA degeneration among worms of two age groups (8 and 13 d old) fed control (CO) and high glucose (GF) diet with specific focus on phenotypic alterations, oxidative impairments and associated molecular perturbations employing both wild (N2) and transgenic strains(BZ555 and NL5901) was investigated...
May 12, 2018: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/29763682/melatonin-attenuates-arsenic-induced-nephropathy-via-the-regulation-of-oxidative-stress-and-inflammatory-signaling-cascades-in-mice
#14
Sayanta Dutta, Sukanya Saha, Sushweta Mahalanobish, Pritam Sadhukhan, Parames C Sil
Arsenic is a potent inducer of several acute and chronic nephrotoxic disorders. It promotes deleterious phenomenon like oxidative stress, inflammation, cell death and altered glucose uptake leading to distorted kidney homeostasis that end up in chronic kidney disease. This study investigated the possible protective role of melatonin; a natural antioxidant produced by the pineal gland, against arsenic induced nephrotoxicity. Melatonin successfully ameliorated arsenic induced renal toxicity both in in vitro and in vivo models...
May 12, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29762728/atypical-myopathy-in-p%C3%A3-re-david-s-deer-elaphurus-davidianus-associated-with-ingestion-of-hypoglycin-a
#15
C Bunert, S Langer, D M Votion, F Boemer, A Müller, K Ternes, A Liesegang
From 2004 until 2016, 21 Père David's deer (Elaphurus davidianus) have died for unknown reason at Zoo Duisburg. These deer, also known as milu, have succumbed from a myopathy that occurred seasonally in autumn and in spring. The clinical signs shown by the animals, closely resembles those of a disease called equine atypical myopathy (EAM), which is formerly known in horses. The cause for EAM in Europe was found in the ingestion of hypoglycin A, contained in samaras and seedlings of the sycamore maple tree (Acer pseudoplatanus)...
May 12, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29762685/urine-multi-drug-screening-with-gc-ms-or-lc-ms-ms-using-salle-hybrid-ppt-spe
#16
Junhui Lee, Jiwon Park, Ahra Go, Heesung Moon, Sujin Kim, Sohee Jung, Wonjoon Jeong, Heesun Chung
To intoxicated patients in the emergency room, toxicological analysis can be considerably helpful for identifying the involved toxicants. In order to develop a urine multi-drug screening (UmDS) method, gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS-MS) were used to determine targeted and unknown toxicants in urine. A GC-MS method in scan mode was validated for selectivity, limit of detection (LOD) and recovery. An LC-MS-MS multiple reaction monitoring (MRM) method was validated for lower LOD, recovery and matrix effect...
May 14, 2018: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/29760857/retrospective-chart-review-of-synthetic-cannabinoid-intoxication-with-toxicologic-analysis
#17
Payal Sud, Miles Gordon, Laura Tortora, Matthew Stripp, Damon Borg, Adam Berman
Introduction: Use of synthetic cannabinoids (SC) has recently emerged as a new drug epidemic. Our emergency departments (EDs) received a surge of SC users presenting with lethargy and bradycardia, contrasting prior reports of SC-induced tachycardia and agitation. Our goal was to describe these novel presentations and characterize the compounds. Methods: We present a case series of patients with SC intoxication who presented to our toxicology service covering two tertiary care EDs between 2/11/2015 and 6/23/2015...
May 2018: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29759800/-hypertensive-crisis-and-anticholinergic-toxidrome-secondary-to-accidental-consumption-of-datura-stramonium-in-two-children
#18
D D Batouche, N-F Benatta, K Tabeliouna, S Boudjahfa, Y Touhami, S Hakkoum
OBJECTIVE: To identify a hypertensive clinical form of atropine or anticholinergic toxidrome secondary to accidental consumption of Datura seeds. PATIENTS AND METHODS: We report two cases of Datura intoxication in two children who presented marked anticholinergic syndrome whose diagnosis was made by the anamnesis and the clinic. RESULT: Patient 1: A 5-year-old boy, returns home agitated with balance disorders. He was admitted to pediatric resuscitation unit...
May 11, 2018: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29757951/caffeine-related-deaths-manner-of-deaths-and-categories-at-risk
#19
REVIEW
Simone Cappelletti, Daria Piacentino, Vittorio Fineschi, Paola Frati, Luigi Cipolloni, Mariarosaria Aromatario
Caffeine is the most widely consumed psychoactive compound worldwide. It is mostly found in coffee, tea, energizing drinks and in some drugs. However, it has become really easy to obtain pure caffeine (powder or tablets) on the Internet markets. Mechanisms of action are dose-dependent. Serious toxicities such as seizure and cardiac arrhythmias, seen with caffeine plasma concentrations of 15 mg/L or higher, have caused poisoning or, rarely, death; otherwise concentrations of 3⁻6 mg/kg are considered safe. Caffeine concentrations of 80⁻100 mg/L are considered lethal...
May 14, 2018: Nutrients
https://www.readbyqxmd.com/read/29756683/non-operative-management-of-isolated-single-abdominal-stab-wound-is-it-safe
#20
Hong Xiang Lee, Matthew Hauser, Shivangi Jog, Peter Bautz, Christopher Dobbins
BACKGROUND: This is a retrospective review of prospectively collected data on our hospital, a Level 1 trauma centre, where stable patients with single abdominal stab wounds are considered for non-operative (conservative) management if they fulfil the criteria with the aid of computed tomography. The aim is to review our current approach in managing these patients. METHODS: Patients' data were obtained from January 2005 to June 2016. All injuries classed as assault or self-harm by sharp object in Injury Severity Score body region 4 were included...
May 14, 2018: ANZ Journal of Surgery
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