Distribution of chromium in poisoned rats.

abstract：:The effects of triethyl lead chloride (TEL) on the expression of two detoxication enzyme families, glutathione S-transferases (GSTs) and NAD(P)H:quinone oxidoreductase (QR) were determined in rat liver and kidney. Fischer 344 rats were given one intraperitoneal (i.p.) injection of TEL. GST activity, GST isoenzyme leve...

journal_title：Toxicology

authors： Daggett DA,Nuwaysir EF,Nelson SA,Wright LS,Kornguth SE,Siegel FL

更新日期：1997-02-14 00:00:00

abstract：:Metyrapone tartrate, 400 mg/kg i.p. raised the LD50 for acetaminophen from 340 mg/kg i.p. to 540 mg/kg i.p. in fasting male Swiss white mice. The minimum protective dose of metyrapone was 200 mg/kg. Metyrapone was effective in preventing death when given up to 2 h after acetaminophen administration. The LD50 for metyr...

journal_title：Toxicology

authors： Nelson EB,Montes M,Goldstein M

更新日期：1980-01-01 00:00:00

abstract：:Food labels are an important educational tool to assist consumers in making healthy food choices. In addition to mandatory nutritional labeling information, manufacturers have a variety of options on the food/supplement packages to communicate the nutrition/health benefits of their products. This paper describes the d...

journal_title：Toxicology

authors： Agarwal S,Hordvik S,Morar S

更新日期：2006-04-03 00:00:00

abstract：:Many studies have demonstrated that polycyclic aromatic hydrocarbons adversely affect mature mammalian immune systems. However, little is known about the cellular mechanism(s) mediating this immunosuppression or the potential for these ubiquitous environmental chemicals to similarly compromise lymphocyte development (...

journal_title：Toxicology

authors： Hinoshita F,Hardin JA,Sherr DH

更新日期：1992-01-01 00:00:00

abstract：:Trans-1,2-dichloroethylene (t-DCE), an industrial solvent, proved to be moderately toxic when studied in small laboratory animals. In adult female rats brief (8 h) and prolonged (8 h daily, on 5 consecutive days a week, for more than 16 weeks) inhalation of 200 ppm--the current TLV/MAC in various countries--produced h...

journal_title：Toxicology

authors： Freundt KJ,Liebaldt GP,Lieberwirth E

更新日期：1977-04-01 00:00:00

abstract：:Although manufactured magnetic nanoparticles (NPs) are currently used in many fields, NPs have potential toxicity on cardiovascular system especially atherosclerosis. In our previous study, we prepared novel Fe3O4 nanoparticles surface-coated with aminoguanidine (Fe3O4-AG NPs) which could remove acid dyes from aqueous...

journal_title：Toxicology

authors： Qu G,Wu Q,Zhao B,Miao J,Su L

更新日期：2019-05-01 00:00:00

abstract：:The question as to whether or not the hypotension observed as part of the effect of tricholorofluoromethane (FC11), dichlorofluoromethane (FC 12), dichlorotetrafluoroethane (FC 114) and methyl chloroform was due to a vasodepressor component of action, in addition to the previously documented depression in myocardial c...

journal_title：Toxicology

authors： Simaan JA,Aviado DM

更新日期：1976-03-01 00:00:00

abstract：:The effect of 6 weekly injections of ochratoxin A (5 mg/kg) and citrinin (20 mg/kg) on the following hematological indices of mice was studied: erythrocyte sedimentation rate, hematocrit percentage, mean corpuscular values, red cell indices, platelet count, total count of bone marrow cells, differential count of bone ...

journal_title：Toxicology

authors： Gupta M,Sasmal D,Bandyopadhyay S,Bagchi G,Chatterjee T,Dey S

更新日期：1983-01-01 00:00:00

abstract：:Rats were exposed to 1.5 +/- 0.1 mg ozone/m3 for 4 days and the activities of glucose-6-P dehydrogenase (G6PDH), glutathione reductase (GR) and glutathione peroxidase (GSHPx) were measured in the cytosolic fraction of lungs from exposed and control rats. Enzyme activities were also measured in isolated alveolar macrop...

journal_title：Toxicology

authors： Rietjens IM,Van Bree L,Marra M,Poelen MC,Rombout PJ,Alink GM

更新日期：1985-12-01 00:00:00

abstract：:Cisplatin is used as a cytotoxic agent for the management of cervical cancer. However, the severity of the side-effects limits the use of this drug, particularly at high doses. Resistance to cisplatin is often attributed to a disruption in the normal apoptotic response via aberrant activation of pathways such as the m...

journal_title：Toxicology

authors： Leisching GR,Loos B,Botha MH,Engelbrecht AM

更新日期：2015-09-01 00:00:00

abstract：:The teratogenicity of antiepilepsy drug valproic acid (VPA) mostly is found in genetic and somatic levels, causing teratogenesis involving neurotubular defects (NTDs), anencephaly, lumbosacral meningomyelocele, and leg dysfunction due to spina bifida aperta. A diversity of nutraceutics have been tried to alleviate the...

journal_title：Toxicology

authors： Hsieh CL,Wang HE,Tsai WJ,Peng CC,Peng RY

更新日期：2012-01-27 00:00:00

abstract：:The neurotoxicity and developmental effects of a widely applied insecticide (methomyl) was investigated by a multi-level approach (behavior and biometry, biochemical alterations and neurodegeneration) in Caenorhabditis elegans upon a short-term exposure (1 h) and a post-exposure period (48 h). The 1-h exposure to sub-...

journal_title：Toxicology

authors： Queirós L,Martins AC,Krum BN,Ke T,Aschner M,Pereira JL,Gonçalves FJM,Milne GL,Pereira P

更新日期：2021-01-25 00:00:00

abstract：:p-Dichlorobenzene (p-DCB) is widely used as a moth repellent and a space deodorant. In mice pretreated with DL-buthionine sulfoximine (BSO; 2 mmol/kg or higher doses, i.p.), an inhibitor of glutathione (GSH) synthesis, administration of p-DCB (100-400 mg/kg, p.o.) resulted in dose-dependent hepatotoxicity as judged by...

journal_title：Toxicology

authors： Mizutani T,Nakahori Y,Yamamoto K

更新日期：1994-11-01 00:00:00

abstract：:Paracetamol, in toxic doses, is associated with extensive liver damage. This represents one of the common causes of morbidity and mortality in drug poisoning cases. This study was undertaken to investigate the possible potentiation of the hepatoprotective action of N-acetylcysteine (NAC) by cimetidine (CMD), an inhibi...

journal_title：Toxicology

authors： Al-Mustafa ZH,Al-Ali AK,Qaw FS,Abdul-Cader Z

更新日期：1997-09-05 00:00:00

abstract：:Experiments were designed to assess the mechanisms of diisopropyl fluorophosphate (DFP)-induced changes in thermoregulation of the rat. In one study, male rats of the Long-Evans strain were injected with DFP (s.c.) at doses ranging from 0 to 2.0 mg/kg while maintained at an ambient temperature (Ta) of 20--24 degrees C...

journal_title：Toxicology

authors： Gordon CJ,Fogelson L,Lee L,Highfill J

更新日期：1991-03-25 00:00:00

abstract：:Dimethoate, azinphos-methyl, diazinon and pirimiphos-methyl, widely used organophosphorous insecticides, and benomyl, a benzimidazole fungicide, induce different cytotoxic effects on the human leukemia cell line HL-60. Among the insecticides tested, only azinphos and diazinon induced a dose-related inhibition of prote...

journal_title：Toxicology

authors： Marinovich M,Guizzetti M,Galli CL

更新日期：1994-11-01 00:00:00

abstract：:The present research examines the effects of 4-nonylphenol (4-NP) on mouse primary calvarial osteoblasts (COBs). Incubation of the cells with 4-NP at 10(-5)M and 10(-6)M striking decreased osteoblasts viability and phosphatidylserine (PS) exposure, measured by Annexin V, was greatly enhanced. In addition, an up-regula...

journal_title：Toxicology

authors： Sabbieti MG,Agas D,Palermo F,Mosconi G,Santoni G,Amantini C,Farfariello V,Marchetti L

更新日期：2011-12-18 00:00:00

abstract：:It is widely believed that the nigrostriatal toxicity of MPTP is due to its oxidation by brain monoamine oxidase first to MPDP+, and eventually to MPP+. Following uptake by the synaptic dopamine reuptake system, it is concentrated in the matrix of striatal mitochondria by an energy-dependent carrier, energized by the ...

journal_title：Toxicology

authors： Singer TP,Ramsay RR,McKeown K,Trevor A,Castagnoli NE Jr

更新日期：1988-04-01 00:00:00

abstract：:Among exocyclic DNA adducts, etheno (epsilon) bases (epsilond A, epsilond C, N(2),3-epsilond G) are generated by reactions of DNA bases with lipid peroxidation (LPO) products derived from endogenous sources and from the carcinogens vinyl chloride or urethane. The recent development of ultrasensitive methods has made i...

journal_title：Toxicology

authors： Bartsch H,Nair J

更新日期：2000-11-16 00:00:00

abstract：:It has been suggested, on the basis of work in cell-free systems, that sulfonamide hydroxy-lamines are metabolized to nitroso metabolites which may be the proximate toxins mediating sulfonamide hypersensitivity reactions. We performed time-course experiments investigating the toxicity of the hydroxylamine and nitroso ...

journal_title：Toxicology

authors： Rieder MJ,Krause R,Bird IA

更新日期：1995-01-06 00:00:00

abstract：:Acute and subchronic toxicities of VRCTC-310, a combination product of crotoxin (CT) and cardiotoxin (CD), which has shown antitumor activity in vivo, have been studied in Beagle dogs. Single i.m. doses of 0.25, 0.5 and 1.0 mg/kg resulted in dose-dependent local muscular toxicity consisting of myofiber atrophy, inters...

journal_title：Toxicology

authors： DeTolla LJ,Stump KC,Russell R,Viskatis LJ,Vidal JG,Newman RA,Etcheverry MA

更新日期：1995-05-05 00:00:00

abstract：:Oxidative DNA damage is emerging as an biomarker of effect in studies assessing the health risks of occupational chemicals. Trichloroethylene (TCE) and perchloroethylene (PERC) are used in the dry cleaning industry and their metabolism can produce reactive oxygen compounds. The present study examined the potential for...

journal_title：Toxicology

authors： Toraason M,Clark J,Dankovic D,Mathias P,Skaggs S,Walker C,Werren D

更新日期：1999-10-29 00:00:00

abstract：:Recently, a large-scale field study in The Netherlands has focused on the effects of estrogenic contaminants on feral fish populations. The freshwater bream (Abramis brama) and the estuarine flounder (Platichthys flesus) were sampled at a large number of locations in the spring and autumn of 1999. Concentrations of th...

journal_title：Toxicology

authors： Vethaak AD,Lahr J,Kuiper RV,Grinwis GC,Rankouhi TR,Giesy JP,Gerritsen A

更新日期：2002-12-27 00:00:00

abstract：:Aniline and its halogenated derivatives are widely used as chemical intermediates. The purpose of this study was to determine the hepatotoxic and nephrotoxic potential of the 2-haloanilines. Male Fischer 344 rats (n > or = 4) were injected (i.p.) with 1.0 or 1.25 mmol/kg of: aniline (A), 2-fluoroaniline (2-FA), 2-chlo...

journal_title：Toxicology

authors： Valentovic MA,Ball JG,Anestis DK,Beers KW,Madan E,Hubbard JL,Rankin GO

更新日期：1992-11-01 00:00:00

abstract：:Prostaglandin E2 (PGE2) is a critical factor in the pathogenesis of dioxin-induced neonatal hydronephrosis. Since the PGE2 receptor has four subtypes, EP1 - EP4, this study was aimed to challenge the hypothesis that at least one of the four subtypes is responsible for the pathogenesis of dioxin-induced hydronephrosis....

journal_title：Toxicology

authors： Aida-Yasuoka K,Nishimura N,Fujisawa N,Endo N,Narumiya S,Tohyama C

更新日期：2019-03-01 00:00:00

abstract：:Exposure of pregnant C3H/HeNCR mice to 42.5- or 85-ppm of arsenic as sodium arsenite in drinking water between days 8 and 18 of gestation markedly increases tumor incidence in their offspring. In the work reported here, distribution of inorganic arsenic and its metabolites, methyl arsenic and dimethyl arsenic, were de...

journal_title：Toxicology

authors： Devesa V,Adair BM,Liu J,Waalkes MP,Diwan BA,Styblo M,Thomas DJ

更新日期：2006-07-05 00:00:00

abstract：:Cadmium, an environmental neurotoxic compound, produces cognitive disorders, although the mechanism remains unknown. Previously, we described that cadmium induces a more pronounced cell death on cholinergic neurons from basal forebrain (BF). This effect, partially mediated by M1 receptor blockade, triggering it throug...

journal_title：Toxicology

authors： Moyano P,de Frias M,Lobo M,Anadon MJ,Sola E,Pelayo A,Díaz MJ,Frejo MT,Del Pino J

更新日期：2018-02-01 00:00:00

abstract：:Trichloroethylene (TCE) produced bronchiolar damage when administered to mice. Administration of 2000 mg/kg caused injury in Clara cells of the bronchiolar epithelium, which was observed at 24 h following TCE treatment; increase of the dosage to 2500 mg/kg induced additionally, alterations in alveolar Type II cells of...

journal_title：Toxicology

authors： Forkert PG,Sylvestre PL,Poland JS

更新日期：1985-05-01 00:00:00

abstract：PURPOSE:1-Bromopropane (1-BP) intoxication is associated with depression and cognitive and memory deficits. The present study tested the hypothesis that 1-BP suppresses neurogenesis in the dentate gyrus, which is involved in higher cerebral function, in adult rats. METHODS:Four groups of 12 male Wistar rats were expos...

journal_title：Toxicology

authors： Zhang L,Nagai T,Yamada K,Ibi D,Ichihara S,Subramanian K,Huang Z,Mohideen SS,Naito H,Ichihara G

更新日期：2013-02-08 00:00:00

abstract：:The developing nervous system is susceptible to lead (Pb) exposure but less is known about the effect of this toxic agent in adult rat brain. Since astrocytes serve as a cellular Pb deposition site, it is of importance to investigate the response of astroglial cells in the adult rat brain in a model of acute lead expo...

journal_title：Toxicology

authors： Struzyñska L,Bubko I,Walski M,Rafałowska U

更新日期：2001-08-28 00:00:00