Differential effects of dehydroepiandrosterone and clofibrate on the binding of 7,12-dimethyl benz(a)anthracene to hepatic DNA in vivo--a preliminary study.

abstract：:The venoms of wasps are a complex mixture of biologically active compounds, such as low molecular mass compounds, peptides, and proteins. The aim of the study was to evaluate the action of wasp venoms, Polybia occidentalis and Polybia fastidiosa, on the DNA of human leukocytes and on the cell cycle and genetic materia...

journal_title：Drug and chemical toxicology

authors： José Palmieri M,Ribeiro Barroso A,Fonseca Andrade-Vieira L,Monteiro MC,Martins Soares A,Souza Cesar PH,Aparecida Braga M,Cardoso Trento MV,Marcussi S,Chamma Davide L

更新日期：2019-07-01 00:00:00

abstract：:A toxicity Evaluation of DDT and dieldrin was conducted using Japanese Quail. The effects of feeding DDT (5 and 50 ppm of diet) and dieldrin (0.1 and 1.0 ppm of diet) in this four generation study (parental, F1, F2 and F3) were examined in terms of growth, viability, and/or reproduction of offspring. Ten groups (inclu...

journal_title：Drug and chemical toxicology

authors： Shellenberger TE

更新日期：1978-01-01 00:00:00

abstract：:Evidence suggests that the effect of heavy metals on neuroimmune cells lead to neurogenic inflammatory responses. In this study, immune cells [mast cells (MCs) and microglia] and pro-neuroinflammation cytokines (interleukin-1b and tumor necrosis factor-α) were assessed in the prefrontal lobe of rat brains exposed to t...

journal_title：Drug and chemical toxicology

authors： Afsordeh K,Sadeghi Y,Amini A,Namvarpour Z,Abdollahifar MA,Abbaszadeh HA,Aliaghaei A

更新日期：2019-03-01 00:00:00

abstract：:Visual observations were made to compare the pretreatment benefits of subacute (75 micrograms/hr, sc) and acute (146 micrograms/kg, im, at 30 min) deliveries of physostigmine salicylate (Phy) against 2 or 5 LD50s (60 or 150 micrograms/kg, sc) of soman in guinea pigs; scopolamine, 80 micrograms/kg, im, was given routin...

journal_title：Drug and chemical toxicology

authors： Anderson DR,Harris LW,Lennox WJ,Solana RP

更新日期：1991-01-01 00:00:00

abstract：:Cyclododecatriene (CDDT, CAS No. 4904-61-4) was administered daily by oral gavage to groups of Crl:CD (SD)IGS BR rats at dose levels of 0 (control), 30, 100, or 300 mg/kg/day. Female rats were dosed for four weeks premating, through mating, gestation, and lactation (a total of 55 to 63 days of treatment). Male rats we...

journal_title：Drug and chemical toxicology

authors： Malley LA,Everds NE,Makovec GT,Kennedy GL Jr

更新日期：2002-05-01 00:00:00

abstract：:The in vitro effect of methyl mercury (MM) and lead (Pb) on N-methyl-D-aspartate (NMDA)-specific glutamate receptor binding in neonatal (10 days old) and adult rat brain was investigated. The cerebral cortex was isolated from the neonatal and adult male Sprague-Dawley rats and the synaptic plasma membranes were prepar...

journal_title：Drug and chemical toxicology

authors： Rajanna B,Rajanna S,Hall E,Yallapragada PR

更新日期：1997-02-01 00:00:00

abstract：:Phospholipidosis is the excessive accumulation of intracellular phospholipids in cell lysosomes. Drugs that induce this disease often share common physiochemical properties and are collectively classified as cationic amphiphilic drugs (CADs). Although the cause of phospholipidosis and morphologic appearance of affecte...

journal_title：Drug and chemical toxicology

authors： Piccotti JR,LaGattuta MS,Knight SA,Gonzales AJ,Bleavins MR

更新日期：2005-01-01 00:00:00

abstract：:As part of an occupational hazard evaluation, p-bromobenzyl bromide (p-BBB) was evaluated for genotoxic activity in the Ames microbial mutagenicity assay, the alkaline elution assay for DNA strand breaks in rat hepatocytes and the in vitro chromosome aberration assay in Chinese hamster ovary cells. The compound produc...

journal_title：Drug and chemical toxicology

authors： Sargent EV,Sina JF,Barnum JE,Storer RD,Johnson TE,Galloway SM,Prato MG,Kirsten NN,Naumann BD

更新日期：1999-11-01 00:00:00

abstract：:Short-term lymphocyte cultures from human peripheral blood samples were incubated with various aliquots of the carbofuran pesticide. After 48 h of initiation and 24 h of exposure to the carbofuran pesticide aliquots, it was seen that carbofuran caused an increase in the frequency of chromosomal aberrations, and the in...

journal_title：Drug and chemical toxicology

authors： Naravaneni R,Jamil K

更新日期：2005-01-01 00:00:00

abstract：:The cross-reaction patterns of selected acrylate and methacrylate esters were investigated using the guinea pig maximization test. Methacrylates were less potent sensitizers than acrylates. Cross-sensitization was found between (meth)acrylates with closely related core structures, most extensively between hydroxyethyl...

journal_title：Drug and chemical toxicology

authors： Clemmensen S

更新日期：1984-01-01 00:00:00

abstract：:This study assessed possible adverse immunological effects of trans-1,2-dichloroethylene (DCE) on random-bred CD-1 mice following 14 and 90 days of exposure. A 14-day range-finding study was performed on male mice by gavage at doses 1/10 and 1/100 the LD50 (210 and 21 mg/kg). No alterations in either humoral or cell-m...

journal_title：Drug and chemical toxicology

authors： Shopp GM Jr,Sanders VM,White KL Jr,Munson AE

更新日期：1985-01-01 00:00:00

abstract：:A large number of cationic amphiphilic drugs (CADs) are known to cause phospholipidosis (PLD) in vivo. In the present study, we have built upon our previous findings to further qualify the use of a fluorescently labeled phospholipid-based cell-culture assay to detect PLD-inducing drugs. In this paper, we demonstrate t...

journal_title：Drug and chemical toxicology

authors： Nioi P,Pardo ID,Snyder RD

更新日期：2008-01-01 00:00:00

abstract：:Albino mice (8-10 wks) weighing between 14 and 25 g were divided into 2 groups and dosed orally once per week with 2 doses (7 mg/kg and 21 mg/kg) of the gut-stimulating principle in Croton penduliflorus seeds (CP crystals) for 12 weeks. Some mice (3-4) from each group were killed at 10 days intervals for the first 6 w...

journal_title：Drug and chemical toxicology

authors： Asuzu IU,Shetty SN,Anika SM

更新日期：1989-03-01 00:00:00

abstract：:In the subchronic study acrylic acid was incorporated in the drinking water of Fischer 344 rats (15 per group) for three months at dosage levels of 0.75, 0.25, 0.083 or 0 g/kg/day. No deaths occurred during the study but several treatment-related effects were observed. At 0.75 g/kg/day dosage level, body weight gain w...

journal_title：Drug and chemical toxicology

authors： DePass LR,Woodside MD,Garman RH,Weil CS

更新日期：1983-01-01 00:00:00

abstract：:The quantities of selenium, tar and nicotine present in mainstream (MS) and sidestream (SS) smoke of machine-smoked cigarettes was studied. The cigarettes were prepared from tobacco purposely cultured on fly ash-amended soil so as to increase its selenium concentration. Selenium concentration was found to be the same ...

journal_title：Drug and chemical toxicology

authors： Gutenmann WH,Lisk DJ,Shane BS,Hoffmann D,Adams JD

更新日期：1987-01-01 00:00:00

abstract：:MG132, as a proteasome inhibitor, has been shown to induce apoptotic cell death through the formation of reactive oxygen species (ROS). In this study, we investigated the effects of MG132 and/or MAPK inhibitors on As4.1 juxtaglomerular cells in relation to cell growth, cell death, ROS, and glutathione (GSH) levels. MG...

journal_title：Drug and chemical toxicology

authors： Han YH,Kim SZ,Kim SH,Park WH

更新日期：2010-10-01 00:00:00

abstract：:Hexachloroethane (HCE) was fed to Fischer 344 rats at approximate doses of 0, 1, 15 or 62 mg/kg/day for 16 weeks. Selected tissues were assayed at termination for HCE content. Histopathological examination identified the kidney as the primary target organ with male rats more sensitive than female rats. The kidney conc...

journal_title：Drug and chemical toxicology

authors： Gorzinski SJ,Nolan RJ,McCollister SB,Kociba RJ,Mattsson JL

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:Parkinsonism describes Parkinson's disease and other associated degenerative changes in the brain resulting in movement disorders. The motor cortex, extrapyramidal tracts and nigrostriatal tract are brain regions forming part of the motor neural system and are primary targets for drug or chemotoxins induced ...

journal_title：Drug and chemical toxicology

authors： Ogundele OM,Nanakumo ET,Ishola AO,Obende OM,Enye LA,Balogun WG,Cobham AE,Abdulbasit A

更新日期：2015-10-01 00:00:00

abstract：:Toxic fungal metabolites - mycotoxins - cause poisonings after consumption of contaminated food commodities. The most probable intoxications are connected with eating poorly stored food or inhaling of moldy dust. One of the effective ways to protect people against mycotoxins is timely detection. Several methods such a...

journal_title：Drug and chemical toxicology

authors： Pohanka M,Jun D,Kuca K

更新日期：2007-01-01 00:00:00

abstract：:In this study, evaluation of the myocardiotoxic effect potential of ciprofloxacin and ofloxacin in juvenile rats and the role of oxidative stress in heart toxicity was conducted. Doses (25 and 50 mg/kg) of each drug were administered to the rats for 1 week. Serum biochemical cardiotoxicity parameters and tissue malond...

journal_title：Drug and chemical toxicology

authors： Saraçoğlu A,Temel HE,Ergun B,Colak O

更新日期：2009-01-01 00:00:00

abstract：:Endophytic fungi are promising sources of bioactive substances; however, their secondary metabolites are toxic to plants, animals, and humans. This study aimed toevaluate the toxic, cytotoxic, mutagenic and oxidant/antioxidant activities of acetonitrile extract (AEPc), citrinin (CIT) and dicitrinin-A (DIC-A) of Penici...

journal_title：Drug and chemical toxicology

authors： de Oliveira Filho JWG,Andrade TJADS,de Lima RMT,Silva DHS,Dos Reis AC,Santos JVO,de Meneses APM,de Carvalho RM,da Mata AMO,de Alencar MVOB,Dias ACS,da Silva FCC,Islam MT,Clark CCT,Sousa JMCE,Melo-Cavalcante AAC

更新日期：2020-05-25 00:00:00

abstract：:Ammonium perfluoroocanoate (APFO) was repeatedly administered orally to male Crj:CD(SD)IGS rats for 14 days. Doses of APFO were 0, 0.5, 5, and 50 mg/kg. Significant increases and increasing tendencies in absolute/relative weight of the liver and no change in weight of the spleen were observed in all groups. Although i...

journal_title：Drug and chemical toxicology

authors： Iwai H,Yamashita K

更新日期：2006-01-01 00:00:00

abstract：:Tempol (4-hydroxy tempo), a pleiotropic antioxidant is reported to afford protection against cisplatin (CP)-induced nephrotoxicity. However, molecular mechanisms of action of tempol in improving the renal function in CP-induced nephrotoxicity are not fully understood. We investigated the attenuating effect of tempol a...

journal_title：Drug and chemical toxicology

authors： Afjal MA,Goswami P,Ahmad S,Dabeer S,Akhter J,Salman M,Mangla A,Raisuddin S

更新日期：2020-10-20 00:00:00

abstract：:Suppression of mitogen-induced splenocyte lymphoproliferation and interleukin 2 (IL-2) production can be used as indicators of immunotoxicity. Staphylococcal enterotoxin A (SEA) is both a potent mitogen and the most potent in vitro inducer of IL-2 production that has been described. An in vitro system was used to meas...

journal_title：Drug and chemical toxicology

authors： Reid LL,Hastings KL,Gandolfi AJ,Van Ert M

更新日期：1994-01-01 00:00:00

abstract：:Several studies documented the ameliorative effects of curcumin which plays a pivotal role in radical scavenging activities. It also participates in various cellular pathways and interacts with multiple targets. In the present study, we investigated the ameliorative effect of curcumin upon chromosomal genotoxicity ind...

journal_title：Drug and chemical toxicology

authors： Shah AJ,Prasanth Kumar S,Rao MV,Pandya HA

更新日期：2018-07-01 00:00:00

abstract：:This study investigated the effect of Thyme (Thymus vulgaris) leaf aqueous extract (TE) on purine and acetylcholine hydrolyzing enzyme activities and antioxidant status in the brain of 5-fluorouracil (5-FLU) administered rats. Sixty adult Wistar rats (210-225 g) were divided into Ten groups (n = 6). Group 1: received ...

journal_title：Drug and chemical toxicology

authors： Adefegha SA,Oyeleye SI,Akintemi A,Okeke BM,Oboh G

更新日期：2020-01-01 00:00:00

abstract：:This paper discusses the merits and disadvantages of a specific proposal for a numerical calculation of the reference dose (RfD) with explicit recognition of both uncertainty and variability. It is suggested that the RfD be the lower (more restrictive) value of: The daily dose rate that is expected (with 95% confidenc...

journal_title：Drug and chemical toxicology

authors： Hattis D,Baird S,Goble R

更新日期：2002-11-01 00:00:00

abstract：:Eight antineoplastic drugs were evaluated for their ability to induce mutation in the Ames Salmonella/microsome and the TK+/- mouse lymphoma assay. Dose response data were utilized to determine the relative potency of each of these drugs. They were then ranked based on this information. Vincristine, the most potent co...

journal_title：Drug and chemical toxicology

authors： Matheson D,Brusick D,Carrano R

更新日期：1978-01-01 00:00:00

abstract：:Hepatic cysteamine and non-protein sulfhydryl (NPSH) levels were determined in galactosamine (GAL)-poisoned rats following hepatoprotective cystamine or cysteamine treatments to determine whether alterations of hepatic NPSH status could contribute to their observed protective actions. D(+)-Galactosamine HC1 (400 mg/kg...

journal_title：Drug and chemical toxicology

authors： MacDonald JR,Gandolfi AJ,Sipes IG

更新日期：1985-01-01 00:00:00

abstract：:The objective of this study was to determine if single/double strand DNA breaks could be induced by monocrotophos (organophosphorus pesticide) in mice in vivo using the comet assay. Mice were dosed orally with 0.046, 0.093, 0.186, 0.373 and 0.746 mg/kg body weight of monocrotophos, and the assay was performed on whole...

journal_title：Drug and chemical toxicology

authors： Mahboob M,Rahman MF,Danadevi K,Banu BS,Grover P

更新日期：2002-02-01 00:00:00