Airborne house dust elicits a local lymph node reaction and has an adjuvant effect on specific IgE production in the mouse.

abstract：:The scandal of melamine-contamination has not been quite blown out, since the toxicity of melamine continues to raise concerns for public health. It has been well known that fetus and infant periods play the most important roles in brain development, whereas little has been done on the harmful effects of melamine on t...

journal_title：Toxicology

authors： Yang J,An L,Yao Y,Yang Z,Zhang T

更新日期：2011-11-18 00:00:00

abstract：:Multidrug resistance type 1 P-glycoproteins (P-gp) and multidrug resistance associated proteins (MRP) were studied in differentiated primary human lung cells in culture, in comparison with permanent human lung cell lines and primary alveolar type II cells from rat lung. AII cells exhibited low basal levels of mdr1b mR...

journal_title：Toxicology

authors： Lehmann T,Köhler C,Weidauer E,Taege C,Foth H

更新日期：2001-10-05 00:00:00

abstract：:After i.v. injection of 0.33 mg nicotine/kg the elimination of unchanged nicotine as well as nicotine-N-oxide, cotinine, nornicotine and norcotinine was determined in the urine of pigs dependent on time. In female pigs 16.3% and in male pigs 25.9% of the applied nicotine were recovered in form of the mentioned compoun...

journal_title：Toxicology

authors： Harke HP,Frahm B

更新日期：1976-06-01 00:00:00

abstract：:We determined the effects of low-level prenatal MeHg exposure on neuronal migration in the developing rat cerebral cortex using in utero electroporation. We used offspring rats born to dams that had been exposed to saline or various doses of MeHg (0.01 mg/kg/day, 0.1 mg/kg/day, and 1 mg/kg/day) from gestational day (G...

journal_title：Toxicology

authors： Guo BQ,Yan CH,Cai SZ,Yuan XB,Shen XM

更新日期：2013-02-08 00:00:00

abstract：:A single oral dose of 50 mg/kg of [14C]TOCP was administered in corn oil to male rats. Three animals were sacrificed at each of 2, 6 and 12 h and 1, 2 and 5 days following dosing, and tissues and excreta were analyzed for 14C. Within 5 days, 63 and 36% of the dose were recovered in the urine and feces, respectively. I...

journal_title：Toxicology

authors： Abou-Donia MB,Nomeir AA,Bower JH,Makkawy HA

更新日期：1990-12-17 00:00:00

abstract：:Hexavalent chromium [Cr(VI)] compounds (e.g. chromates) are strong oxidants that readily enter cells where they are reduced to reactive Cr intermediates that can directly oxidize some cell components and can promote the generation of reactive oxygen and nitrogen species. Inhalation is a major route of exposure which d...

journal_title：Toxicology

authors： Myers JM,Antholine WE,Myers CR

更新日期：2011-03-15 00:00:00

abstract：:Cell death triggers the release into extracellular spaces of products of chromatin catabolism, particularly of DNA. A sensitive DNA assay has been used to investigate in the mouse whether the quantitation of plasma DNA may be used as an index of in vivo cytotoxicity. It has been found that toxic doses of bacterial lip...

journal_title：Toxicology

authors： Bret L,Lulé J,Alary C,Appolinaire-Pilipenko S,Pourrat JP,Fournié GJ

更新日期：1990-04-30 00:00:00

abstract：:This study is aimed to investigate the inflammation and neurological dysfunction induced by tetrachloro-p-benzoquinone (TCBQ) through Toll-like receptor 4 (TLR4) signaling. We also investigated the protective role of melatonin as an antioxidant and anti-inflammatory agent. In vitro model was established by rat pheochr...

journal_title：Toxicology

authors： Fu J,Xia X,Liu Z,Wang Y,Wang Y,Shi Q,Song X,Song E,Song Y

更新日期：2017-04-15 00:00:00

abstract：:Adult female F-344 rats were trained (avoidance rate > 70%) over four days with a coupled tone- (n = 10 rats/dose) or 2 ppm acetaldehyde-cued (n = 6 rats/dose) foot shock paradigm. Rats were gavaged with chloroform dissolved in corn oil for 5 days/week for 3 week at 0 or 400 (tone-cued) or 0, 34, 100, or 400 (odor-cue...

journal_title：Toxicology

authors： Dorman DC,Miller KL,D'Antonio A,James RA,Morgan KT

更新日期：1997-09-26 00:00:00

abstract：:Adverse drug reactions (ADR) are common and many are thought to have a genetic predisposition. There has been a great deal of interest in the role of P450 enzyme gene polymorphisms in the pathogenesis of adverse reactions. The major impact to date of polymorphic P450 expression has been on pre-clinical drug developmen...

journal_title：Toxicology

authors： Pirmohamed M,Park BK

更新日期：2003-10-01 00:00:00

abstract：:Genetic polymorphism of drug metabolizing enzymes (DME) can lead to severe toxicity or therapeutic failure of pharmacotherapy. Additionally, genetically determined differences in the activity of the metabolic enzymes can increase an individual's susceptibility to certain types of chemically induced cancers and possibl...

journal_title：Toxicology

authors： Bourian M,Gullstén H,Legrum W

更新日期：2000-04-03 00:00:00

abstract：:Recently, chimeric mice with humanized liver were established by transplanting human hepatocytes into an urokinase-type plasminogen activator(+/+)/severe combined immunodeficient transgenic mouse line. The replacement with human hepatocytes is more than 80-90% and is higher than any other chimeric mouse reported previ...

journal_title：Toxicology

authors： Katoh M,Tateno C,Yoshizato K,Yokoi T

更新日期：2008-04-03 00:00:00

abstract：:The possibility that nitrofurantoin is a complete carcinogen or is an initiator or promoter of urinary bladder carcinogenesis was evaluated in male weanling F344 rats. No increase in tumor incidence was observed in rats fed nitrofurantoin at a level of 0.187% of the diet for 2 years compared to a control group. Also, ...

journal_title：Toxicology

authors： Hasegawa R,Murasaki G,St John MK,Zenser TV,Cohen SM

更新日期：1990-06-01 00:00:00

abstract：:Polycyclic aromatic hydrocarbons (PAHs) with molecular weight 278 are a group of PAHs that are mostly not covered by the current monitoring programs, despite their relative abundance in environmental samples and possible carcinogenicity. Although benzo[g]chrysene (BgChry) and dibenz[a,h]anthracene (DBahA) have been fo...

journal_title：Toxicology

authors： Svihálková-Sindlerová L,Machala M,Pencíková K,Marvanová S,Neca J,Topinka J,Sevastyanova O,Kozubík A,Vondrácek J

更新日期：2007-03-22 00:00:00

abstract：:The usefulness of measuring serum bile acid concentrations by RIA in a number of acute experimental liver injuries of rats was assessed by comparing the concentrations with the results of some of the routinely employed methods of examining hepatotoxic changes. Centrilobular liver cell injury produced by CCl4 revealed ...

journal_title：Toxicology

authors： Gopinath C,Prentice DE,Street AE,Crook D

更新日期：1980-01-01 00:00:00

abstract：:Chlorination of drinking water containing organic materials is known to generate toxic by-products. We suggested that such compounds may also be produced by interactions between chlorine and bacteria present in water. To confirm this hypothesis, a method based on RNA synthesis inhibition of HeLa S3 human cells in the ...

journal_title：Toxicology

authors： Ferey KA,Fauris C,Husson GP,Vilagines R

更新日期：2000-11-16 00:00:00

abstract：:The present study was undertaken to examine the effects of iodoacetic acid, a non-phorbol tumor promoter, on metabolic cooperation between mutant human fibroblasts as measured by [14C]citrulline incorporation. Other thiol-reactive polyphenolic compounds such as hydroquinone and 2-hydroxyestrone were also examined. 12-...

journal_title：Toxicology

authors： Si EC,Pfeifer RW,Yim GK

更新日期：1987-04-01 00:00:00

abstract：:This study evaluated a single intradermal injection model in the guinea pig with subsequent inhalation challenge and serological analysis as a method to predict the potential of chemicals to induce respiratory allergy. Four known respiratory allergens (trimellitic anhydride, diphenyl methane diisocyanate, phthalic anh...

journal_title：Toxicology

authors： Blaikie L,Morrow T,Wilson AP,Hext P,Hartop PJ,Rattray NJ,Woodcock D,Botham PA

更新日期：1995-01-19 00:00:00

abstract：:In the present investigation the influence of gossypol on the male sex function and toxicology in the rat have been studied. Gossypol was injected daily for 5 weeks to adult male rats of the Sprague-Dawley strain with 1 or 10 mg/kg body wt. The low dose of gossypol (1 mg/kg body wt.) did not have any effect on the fol...

journal_title：Toxicology

authors： Gåfvels M,Wang J,Bergh A,Damber JE,Selstam G

更新日期：1984-09-28 00:00:00

abstract：:Some workers have suggested that 6 days xylitol administration to rats results in hepatic dysfunction. In our study xylitol was administered to rats by daily gastric intubation for a period of 14 days. Dose levels were 1.25, 2.5, 5 and 10 g/kg. During treatment (2, 5 and 14 days), animals were submitted to careful cli...

journal_title：Toxicology

authors： Truhaut,Coquet B,Fouillet X,Galland L,Guyot D,Rouaud JL,Long DW

更新日期：1977-08-01 00:00:00

abstract：:Mitochondrial dynamics are regulated by two sets of opposed processes: mitochondrial fusion and fission, and mitochondrial biogenesis and degradation (including mitophagy), as well as processes such as intracellular transport. These processes maintain mitochondrial homeostasis, regulate mitochondrial form, volume and ...

journal_title：Toxicology

authors： Meyer JN,Leuthner TC,Luz AL

更新日期：2017-11-01 00:00:00

abstract：:Prenatal dexamethasone exposure (PDE) could induce testicular developmental toxicity in adults. The present study aims to confirm its intrauterine origination, and to explore its potential intrauterine programming mechanism. The pregnant rats were respectively injected subcutaneously with 0.2 and 0.8 mg/kg d dexametha...

journal_title：Toxicology

authors： Liu M,Chen B,Pei L,Zhang Q,Zou Y,Xiao H,Zhou J,Chen L,Wang H

更新日期：2018-09-01 00:00:00

abstract：:The sulphur and nitrogen mustards are strong alkylating agents, which induces inflammations of the skin including blistering right up to ulcerations. Depending on the severity, the wounds may need weeks to heal. In the past it was shown that sulphur mustard has a destructive effect on endothelial precursor cells, whic...

journal_title：Toxicology

authors： Schmidt A,Bölck B,Jedig M,Steinritz D,Balszuweit F,Kehe K,Bloch W

更新日期：2009-09-01 00:00:00

abstract：:To investigate mechanisms of chemical-induced congenital heart defects (CHD) we have developed a rat model using dimethadione (DMO), the N-demethylated metabolite of the anticonvulsant, trimethadione (TMD). Dosing pregnant rats with 300mg/kg DMO every 12h from the evening of gestational day (GD) 8 until the morning of...

journal_title：Toxicology

authors： Rodger I,Lam I,Purssell E,Thompson M,Rutter A,Ozolinš TR

更新日期：2014-12-04 00:00:00

abstract：:Induction of oxidative stress by 2,4-dichlorophenoxyacetic acid (2,4-D) both as a pure compound and in commercial formulation was investigated during early pregnancy in mice. Pregnant animals were exposed to increasing doses of the herbicide (0.01, 0.1 and 100mg/kg/d) during gestation days 0-9, after which animals wer...

journal_title：Toxicology

authors： Dinamarca VM,Hidalgo ME,Cavieres MF

更新日期：2007-07-31 00:00:00

abstract：:In this study, we examined the relationship between maternal weight gain deficits induced by protein-and-energy restriction (PER) and pregnancy outcome. We also evaluated whether PER would potentiate the developmental toxicity of cyclophosphamide (CP) and hydroxyurea (HU). Two independent experiments--employing two di...

journal_title：Toxicology

authors： Chahoud I,Kuriyama SN,Paumgartten FJ

更新日期：2002-09-30 00:00:00

abstract：:There is a close relationship between the central nervous system activity and bone metabolism. Therefore, methamphetamine (METH), which stimulates the central nervous system, is expected to affect bone turnover. The aim of this study was to investigate the role of METH in bone metabolism. Mice were divided into 3 grou...

journal_title：Toxicology

authors： Tomita M,Katsuyama H,Watanabe Y,Okuyama T,Fushimi S,Ishikawa T,Nata M,Miyamoto O

更新日期：2014-05-07 00:00:00

abstract：:Recent studies have demonstrated that mammalian sperm are capable of generating reactive oxygen species (ROS) and that this activity is significantly accelerated in subfertile subjects. The observed decrease in penetration of zona-intact oocyte might be explained by chemical-induced ROS-related early onset of capacita...

journal_title：Toxicology

authors： Hsu PC,Hsu CC,Guo YL

更新日期：1999-11-29 00:00:00

abstract：:Synthetic pyrethroids are one of the most frequently and widely used class of insecticides, primarily because they have a higher insect to mammalian toxicity ratio than organochlorines or organophosphates. The basic structure of pyrethroids can be characterized as an acid joined to an alcohol by an ester bond. Pyrethr...

journal_title：Toxicology

authors： Laffin B,Chavez M,Pine M

更新日期：2010-01-12 00:00:00

abstract：:The brominated flame retardants tetrabromobisphenol A (TBBPA) and hexabromocyclododecane (HBCD) are found in the environment, e.g., in sediments and organisms, in food items, human blood samples and mother's milk. In this study, the effects of both compounds on rat hepatic cytochrome P450 (CYP) levels and activities w...

journal_title：Toxicology

authors： Germer S,Piersma AH,van der Ven L,Kamyschnikow A,Fery Y,Schmitz HJ,Schrenk D

更新日期：2006-02-01 00:00:00