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https://www.readbyqxmd.com/read/28336439/reproductive-toxicity-provoked-by-titanium-dioxide-nanoparticles-and-the-ameliorative-role-of-tiron-in-adult-male-rats
#1
Ashraf M Morgan, Marwa A Ibrahim, Peter A Noshy
Titanium dioxide nanoparticles (TDN) are widely used in paints, plastics, ceramics, cosmetics, printing ink, rubber and paper. Tiron is a water soluble metal chelator and antioxidant. This study was designed to investigate the reproductive toxicity of TDN in male albino rats and the ameliorative role of Tiron to minimize such toxic effects. Eighty adult male albino rats were assigned into 4 equal groups, group 1: control; group 2: received TDN at 100 mg/kg/day orally for 8 weeks; group 3: received Tiron at 470 mg/kg/day intraperitoneally for 2 weeks (the last 2 weeks of the experimental period); group 4: received both TDN and Tiron by the same previously mentioned dose, route and duration...
March 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28334048/hepatoprotective-effect-of-sitagliptin-against-methotrexate-induced-liver-toxicity
#2
Hany M Abo-Haded, Mohamed A Elkablawy, Zeyad Al-Johani, Osama Al-Ahmadi, Dina S El-Agamy
Sitagliptin is selective dipeptidyl peptidase-4 inhibitor (DPP4-I), used clinically as a new oral anti-diabetic agent. This study explored the underlying mechanisms of the hepatoprotective role of sitagliptin pretreatment against methotrexate (MTX) induced hepatotoxicity in mice. Forty mice were divided into four groups (10 mice each); control, MTX, and two sitagliptin groups (pretreated with sitagliptin 10 and 20 mg/kg/day, respectively) for five consecutive days prior to MTX injection. Results showed that MTX induced marked hepatic injury in the form of cloudy swelling, hydropic degeneration, apoptosis and focal necrosis in all hepatic zones...
2017: PloS One
https://www.readbyqxmd.com/read/28333116/effect-of-vernonia-amygdalina-del-leaf-ethanolic-extract-on-intoxicated-male-wistar-rats-liver
#3
Maria Immaculata Iwo, Sergia Louisa Sjahlim, Siti Farah Rahmawati
Vernonia amygdalina has been shown to have antioxidant activity, and is also expected to have hepatoprotective activity. This study was conducted to study the effect of V. amygdalina ethanol extracts on intoxicated rat livers. Fresh leaves were extracted in ethanol, and the hepatoprotective activity was tested on male Wistar rats induced with a combination of isoniazid (INH) and rifampicin. Parameters observed were the activity of the enzyme alanine transferase (ALT), serum albumin levels, liver index, and histopathological of the rat liver...
March 23, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28330787/acute-impact-of-caffeinated-alcoholic-beverages-on-cognition-a-systematic-review
#4
REVIEW
Laurence Lalanne, Pierre-Eric Lutz, François Paille
INTRODUCTION: Energy drinks are popular beverages that are supposed to counteract sleepiness, increase energy, maintain alertness and reduce symptoms of hangover. Cognitive enhancing seems to be related to many compounds such as caffeine, taurine and vitamins. Currently, users mostly combine psychostimulant effects of energy drinks to counteract sedative effects of alcohol. However, recent literature suggests that this combination conducts to feel less intoxicated but still impaired. The goal of the present article is to review cognitive impact and subjective awareness in case of caffeinated alcoholic beverage (CAB) intoxication...
March 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28329845/spatiotemporal-progression-and-remission-of-lesions-in-the-rat-brain-following-acute-intoxication-with-diisopropylfluorophosphate
#5
Sílvia Sisó, Brad A Hobson, Danielle J Harvey, Donald A Bruun, Douglas J Rowland, Joel R Garbow, Pamela J Lein
Similar to organophosphate (OP) nerve agents, diisopropylfluorophosphate (DFP) rapidly and irreversibly inhibits acetylcholinesterase, leading to convulsions that can progress to status epilepticus (SE). However, in contrast to the OP nerve agents, the long-term consequences of DFP-induced SE are not well known. Thus, we characterized the spatiotemporal profile of neuropathology during the first two months following acute DFP intoxication. Adult, male Sprague Dawley rats administered pyridostigmine bromide (0...
March 7, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28329842/magnetic-resonance-imaging-reveals-progressive-brain-injury-in-rats-acutely-intoxicated-with-diisopropylfluorophosphate
#6
Brad A Hobson, Sílvia Sisó, Douglas J Rowland, Danielle J Harvey, Donald A Bruun, Joel R Garbow, Pamela J Lein
Acute intoxication with organophosphates (OPs) can trigger seizures that progress to status epilepticus, and survivors often exhibit chronic neuropathology, cognitive impairment, affective disorders and/or electroencephalographic abnormalities. Understanding how acute injury transitions to persistent neurological sequelae is critical to developing medical countermeasures for mitigating damage following OP-induced seizures. Here, we used in vivo magnetic resonance imaging (MRI) to monitor the spatiotemporal patterns of neuropathology for one month after acute intoxication with diisopropylfluorophosphate (DFP)...
March 7, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28329002/emergency-department-outpatient-treatment-of-alcohol-intoxicated-bicyclists-increases-the-cost-of-medical-care-in-japan
#7
Yosuke Homma, Sunao Yamauchi, Michiko Mizobe, Yoshiyuki Nakashima, Jin Takahashi, Hiraku Funakoshi, Kevin Y Urayama, Sachiko Ohde, Osamu Takahashi, Takashi Shiga
Riding a bicycle under the influence of alcohol is illegal in Japan. Nevertheless, intoxicated bicyclists are frequently treated at hospital emergency departments for bicycle-related injuries. This patient population usually requires more hospital resources, even for relatively minor injuries. Therefore, we hypothesized that bicycle-related crashes involving bicyclists under the influence of alcohol cost more to treat than those that do not involve alcohol intoxication. The aim of the present study was to examine the costs associated with bicycle-related minor injuries and alcohol intoxication of the bicyclist...
2017: PloS One
https://www.readbyqxmd.com/read/28328352/identification-isolation-and-phylogenetic-analysis-of-clostridium-perfringens-type-a-and-type-c-from-wild-boar-sus-scrofa-in-the-people-s-republic-of-china
#8
Meng Li, Xu Zhang, Lingwei Zhu, Haifeng Wang, Na Zhao, Jing Luo, Chengmin Wang, Yutian Wang, Yanhua Liu, Wei Zhou, Bikai Zhang, Huancheng Guo, Hongxuan He
Clostridium perfringens is a Gram-positive, anaerobic, spore-forming bacterium that can induces gas gangrene or enteritis in poultry and humans and many other mammalian species. Here, we report an outbreak of C. perfringens type A and type C coinfection in wild boars ( Sus scrofa ). In February 2016, 10 dead wild boars, including two fresh carcasses, were found in Zhaosu County, Xinjiang Province, People's Republic of China. The two fresh carcasses were included in this study. Two strains of C. perfringens were isolated, identified, genotyped, and phylogenetically analyzed...
March 22, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28326460/on-the-adult-behavioral-repertoire-of-the-sawfly-perreyia-flavipes-konow-1899-hymenoptera-pergidae-movement-mating-and-thanatosis
#9
F M Neves, M R Pie
Perreyia flavipes Konow, 1899 (Pergidae: Perreyinae) is a sawfly species with gregarious larvae commonly found in open areas in southern Brazil through Uruguay and northern Argentina. The combination of highly gregarious larvae with the production of a variety of toxins in P. flavipes has led to severe cases of intoxication in a variety of livestock species. Over the years, considerable information was discovered on the larval natural history of P. flavipes; however, virtually nothing is known about the adult behavior, particularly because of its short life-span...
March 21, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28325154/the-behavioral-profile-of-methylenedioxypyrovalerone-mdpv-and-%C3%AE-pyrrolidinopentiophenone-pvp-a-systematic-review
#10
Cornel N Stanciu, Thomas M Penders, Samantha A Gnanasegaram, Elvin Pirapakaran, Juvraj S Padda, Jeeven S Padda
BACKGROUND: New psychoactive substances are emerging at an alarming rate. With novel structures and properties they produce unique behavioral characteristics during intoxication. Synthetic cathinones are some of the most common. More and more are presenting to emergency departments due to consequences of use. Aside from isolated reports, little is known about these compounds. OBJECTIVE: Here we review literature pertaining to two common synthetic cathinones, MDPV and alphaPVP, and correlate clinically with guidance on management of intoxications...
March 21, 2017: Current Drug Abuse Reviews
https://www.readbyqxmd.com/read/28324770/a-non-fatal-intoxication-and-seven-deaths-involving-the-dissociative-drug-3-meo-pcp
#11
Anna Johansson, Daniel Lindstedt, Markus Roman, Gunilla Thelander, Elisabet I Nielsen, Ulrica Lennborn, Håkan Sandler, Sten Rubertsson, Johan Ahlner, Robert Kronstrand, Fredrik C Kugelberg
INTRODUCTION: 3-methoxyphencyclidine (3-MeO-PCP) appeared on the illicit drug market in 2011 and is an analogue of phencyclidine, which exhibits anesthetic, analgesic and hallucinogenic properties. In this paper, we report data from a non-fatal intoxication and seven deaths involving 3-MeO-PCP in Sweden during the period March 2014 until June 2016. CASE DESCRIPTIONS: The non-fatal intoxication case, a 19-year-old male with drug problems and a medical history of depression, was found awake but tachycardic, hypertensive, tachypnoeic and catatonic at home...
March 7, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28322842/simultaneous-blockade-of-nmda-receptors-and-parp-1-activity-synergistically-alleviate-immunoexcitotoxicity-and-bioenergetics-in-3-nitropropionic-acid-intoxicated-mice-evidences-from-memantine-and-3-aminobenzamide-interventions
#12
Saravana Babu Chidambaram, Ranju Vijayan, Sathiya Sekar, Sugumar Mani, Barathidsan Rajamani, Ramakrishnan Ganapathy
Interlink between excitotoxicity and cellular bioenergetics depletion is implicated as one of the central deteriorative pathways in many neurodegenerative diseases including Huntington's disease (HD). Chronic administration of 3-nitropropionic acid (3-NP) depletes ATP and NAD(+;) and increases TNFα, IL-6 and glutamate content resulting in "immunoexcitotoxicity". Present study was designed to determine whether the combination of memantine (MN) and 3-aminobenzamide (3-AB), PARP inhibitor, can ameliorate immunoexcitotoxicity and improve bioenergetics in a better manner than individual administration against 3-NP intoxication in mice...
March 16, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28322544/graphene-oxide-quantum-dots-as-novel-nanozymes-for-alcohol-intoxication
#13
Anqi Sun, Li Mu, Xiangang Hu
Alcohol overconsumption as a worldwide issue results in alcoholic liver disease (ALD), such as steatosis, alcoholic hepatitis and cirrhosis. The treatment of ALD has been widely investigated but remains challenging. In this work, the protective effects of graphene oxide quantum dots (GOQDs) as novel nanozymes against alcohol overconsumption are discovered, and the specific mechanisms underlying these effects are elucidated via omics analysis. GOQDs dramatically alleviate the reduction of cell viability induced by ethanol and can act as nanozymes to accelerate ethanol metabolism and avoid the accumulation of toxic intermediates in cells...
March 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28321764/protective-manifestation-of-bacoside-a-and-bromelain-in-terms-of-cholinesterases-gamma-amino-butyric-acid-serotonin-level-and-stress-proteins-in-the-brain-of-dichlorvos-intoxicated-mice
#14
Bharti Chaudhary, Renu Bist
The objective of the study was to evaluate the neuroprotective effects of bacoside A and bromelain against dichlorvos-incited toxicity. Healthy 6-8-week old, male Swiss mice were administered subacute doses of dichlorvos (40 mg/kg bw), bacoside A (5 mg/kg bw) and bromelain (70 mg/kg bw). AChE, BChE, GABA, serotonin and total protein content and their expressions were used for determination of toxic action of dichlorvos. Protective effects of bacoside A and bromelain were evaluated on the same parameters...
March 20, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28321158/porcine-model-characterizing-various-parameters-assessing-the-outcome-after-acetaminophen-intoxication-induced-acute-liver-failure
#15
Karolin Thiel, Wilfried Klingert, Kathrin Klingert, Matthias H Morgalla, Martin U Schuhmann, Pamela Leckie, Yalda Sharifi, Nathan A Davies, Rajiv Jalan, Andreas Peter, Christian Grasshoff, Alfred Königsrainer, Martin Schenk, Christian Thiel
AIM: To investigate the changes of hemodynamic and laboratory parameters during the course of acute liver failure following acetaminophen overdose. METHODS: Eight pigs underwent a midline laparotomy following jejunal catheter placement for further acetaminophen intoxication and positioning of a portal vein Doppler flow-probe. Acute liver failure was realized by intrajejunal acetaminophen administration in six animals, two animals were sham operated. All animals were invasively monitored and received standardized intensive care support throughout the study...
March 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28320442/analysis-of-monocyte-infiltration-in-mptp-mice-reveals-that-microglial-cx3cr1-protects-against-neurotoxic-over-induction-of-monocyte-attracting-ccl2-by-astrocytes
#16
Vincent R Parillaud, Guillaume Lornet, Yann Monnet, Anne-Laure Privat, Andrei T Haddad, Vanessa Brochard, Amaury Bekaert, Camille Baudesson de Chanville, Etienne C Hirsch, Christophe Combadière, Stéphane Hunot, Christian S Lobsiger
BACKGROUND: Evidence from mice suggests that brain infiltrating immune cells contribute to neurodegeneration, and we previously identified a deleterious lymphocyte infiltration in Parkinson's disease mice. However, this remains controversial for monocytes, due to artifact-prone techniques used to distinguish them from microglia. Our aim was to reassess this open question, by taking advantage of the recent recognition that chemokine receptors CCR2 and CX3CR1 can differentiate between inflammatory monocytes and microglia, enabling to test whether CCR2(+) monocytes infiltrate the brain during dopaminergic (DA) neurodegeneration and whether they contribute to neuronal death...
March 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28320300/chronic-alcohol-intoxication-is-not-accompanied-by-an-increase-in-calpain-proteolytic-activity-in-cardiac-muscle-of-rats
#17
Yu V Gritsyna, N N Salmov, A G Bobylev, I S Fadeeva, N I Fesenko, D G Sadikova, N I Kukushkin, Z A Podlubnaya, I M Vikhlyantsev
Enzymatic activity of Ca2+-dependent calpain proteases as well as the content and gene expression of μ-calpain (activated by micromolar calcium ion concentrations), calpastatin (inhibitor of calpains), and titin (substrate for calpains) were investigated in cardiac muscles of rats subjected to chronic alcoholization for 3 and 6 months. There was no increase in the "heart weight/body weight" parameter indicating development of heart hypertrophy in the alcoholized rats, while a decreasing trend was observed for this parameter in the rats after 6-month modeling of alcoholic cardiomyopathy, which indicated development of atrophic changes in the myocardium...
February 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28320194/acquired-pendular-nystagmus
#18
REVIEW
Sarah Kang, Aasef G Shaikh
Acquired pendular nystagmus is comprised of quasi-sinusoidal oscillations of the eyes significantly affecting gaze holding and clarity of vision. The most common causes of acquired pendular nystagmus include demyelinating disorders such as multiple sclerosis and the syndrome of ocular palatal tremor. However, several other deficits, such as pharmacological intoxication, metabolic and genetic disorders, and granulomatous disorders can lead to syndromes mimicking acquired pendular nystagmus. Study of the kinematic features of acquired pendular nystagmus has suggested a putative pathophysiology of an otherwise mysterious neurological disorder...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320099/light-emitting-diode-led-therapy-improves-occipital-cortex-damage-by-decreasing-apoptosis-and-increasing-bdnf-expressing-cells-in-methanol-induced-toxicity-in-rats
#19
Amir Ghanbari, Majid Ghareghani, Kazem Zibara, Hamdallah Delaviz, Elham Ebadi, Mohammad Hossein Jahantab
Methanol-induced retinal toxicity, frequently associated with elevated free radicals and cell edema, is characterized by progressive retinal ganglion cell (RGC) death and vision loss. Previous studies investigated the effect of photomodulation on RGCs, but not the visual cortex. In this study, the effect of 670nm Light-Emitting Diode (LED) therapy on RGCs and visual cortex recovery was investigated in a seven-day methanol-induced retinal toxicity protocol in rats. Methanol administration showed a reduction in the number of RGCs, loss of neurons (neuronal nuclear antigen, NeuN+), activation of glial fibrillary acidic protein (GFAP+) expressing cells, suppression of brain-derived neurotrophic factor (BDNF+) positive cells, increase in apoptosis (caspase 3+) and enhancement of nitric oxide (NO) release in serum and brain...
March 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319836/a-cross-sectional-comparison-of-ethanol-related-cytokine-expression-in-the-hippocampus-of-young-and-aged-fischer-344-rats
#20
Anny Gano, Tamara L Doremus-Fitzwater, Terrence Deak
Our work in Sprague Dawley rats has shown rapid alterations in neuroimmune gene expression (RANGE) in the hippocampus and paraventricular nucleus of the hypothalamus (PVN). These manifest as increased interleukin (IL)-6 and IκBα, and suppressed IL-1β and tumor necrosis factor alpha during acute ethanol intoxication. The present studies tested these effects across the lifespan (young adulthood at 2-3 months; senescence at 18 and 24 months), as well as across strain (Fischer 344) and sex. The hippocampus revealed age-dependent shifts in cytokine expression (IL-6, IL-1β, and monocyte chemoattractant protein 1), but no changes were observed in the PVN at baseline or following ethanol...
March 17, 2017: Neurobiology of Aging
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