Inhibitory effect of chlormethiazole on the toxicokinetics of diethylnitrosamine in normal and hepatofibrotic rats.

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：:Many steps are required to convert a normal cell into a cancerous one. The cancer cell must be able to multiply under conditions that a normal cell would not and to invade surrounding tissue and spread throughout the body. Both genetic changes, such as activation of oncogenes or inactivation of tumor suppressor genes,...

journal_title：Drug and chemical toxicology

authors： Couch DB

更新日期：1996-08-01 00:00:00

abstract：:Polypeptide antibiotics, such as polymyxins and aminoglycosides, are essential for treatment of life-threatening Gram-negative infections. Acute kidney injury (AKI) attributed to treatment with these agents severely limits their clinical application. Because standard biomarkers (serum creatinine [sCRE] and blood urea ...

journal_title：Drug and chemical toxicology

authors： Burt D,Crowell SJ,Ackley DC,Magee TV,Aubrecht J

更新日期：2014-04-01 00:00:00

abstract：:Previous work has suggested that endogenous sulfhydryls, such as glutathione (GSH) and cysteine, are involved in the uptake and toxicity of HgCl2. To study this possibility, uptake and toxicity of synthesized Hg(SG)2, Hg(cysteinylglycine)2 [Hg(CYS-GLY)2] and Hg(CYS)2 were investigated in rabbit renal proximal tubule s...

journal_title：Drug and chemical toxicology

authors： Wei H,Qiu L,Divine KK,Ashbaugh MD,McIntyre LC Jr,Fernando Q,Gandolfi AJ

更新日期：1999-05-01 00:00:00

abstract：:The objective of this study was to evaluate the residues of 42 pesticides subject to public concern in Tieguanyin tea produced in Fujian, China. The presence of 42 pesticide residues in 90 Tieguanyin tea samples were determined. A total of 17 pesticides were detected. At least one pesticide residue was detected in 65 ...

journal_title：Drug and chemical toxicology

authors： Yao Q,Yan SA,Li J,Huang M,Lin Q

更新日期：2020-08-04 00:00:00

abstract：:The status of brain antioxidant enzymes and glutathione in methacrylonitrile (MeAN)-intoxicated Wistar rats was correlated with the levels of lipid peroxidation products. Optimum changes were observed 30 min and 60 min after oral administration of MeAN at dosages of 50 mg/kg body weight per day (0.25 LD50) and 100 mg/...

journal_title：Drug and chemical toxicology

authors： Zeenath Unnisa A,Niranjali Devaraj S

更新日期：2005-01-01 00:00:00

abstract：:Methyl 2,2-difluoromalonyl fluoride (MMF) is highly toxic by inhalation producing mortality in rats exposed for 4 hours to 0.55 mg/L. Repeated inhalation exposures of rats to 0.009 mg/L produced irritation but no other signs of a toxic response. Mortality was encountered following repeated exposures to 0.066 mg/L. ...

journal_title：Drug and chemical toxicology

authors： Kennedy GL Jr,Burgess BA,Chen HC

更新日期：1988-06-01 00:00:00

abstract：:A comparison of the fertility and cytogenetic analyses and the combination of both techniques as generally used in the heritable translocation assay was conducted with triethylenemelamine (TEM). CD-1 mice were used as the F0 generation and were divided into two groups that received i.p. either distilled water (control...

journal_title：Drug and chemical toxicology

authors： Moreland FM,Sheu CJ

更新日期：1983-01-01 00:00:00

abstract：:Dual inhibitors of cyclooxygenase (COX) and lipoxygenase (LOX) pathways of arachidonic acid metabolism prevent cancer development and induce apoptosis. One of the most promising compounds that blocks both of these pathways is licofelone. We questioned whether licofelone affects the survival and/or promotes apoptosis o...

journal_title：Drug and chemical toxicology

authors： Kabadere S,Kus G,Uyar R,Oztopcu-Vatan P

更新日期：2014-01-01 00:00:00

abstract：:Male Sprague-Dawley rats were administered cadmium chloride 0, 50, 100, 150 and 200 ppm for 30 days. At the end of the treatments, the body weight gains, serum glucose, serum protein, serum glutamic oxalacetic transaminase (SGOT) and serum glutamic pyruvic transaminase (SGPT) were determined. Renal and hepatic key glu...

journal_title：Drug and chemical toxicology

authors： Chapatwala KD,Rajanna B,Desaiah D

更新日期：1980-01-01 00:00:00

abstract：:This study was designed to test the pulmonary tumor response to intratracheally instilled silica in Strain A mice. Urethane was used as a positive control. Silica treatment was utilized to evaluate the effect of a potent fibrinogen on pulmonary adenoma formation in this unique animal model. Urethane produced an increa...

journal_title：Drug and chemical toxicology

authors： McNeill DA,Chrisp CE,Fisher GL

更新日期：1990-01-01 00:00:00

abstract：:In this study, we investigated the effect of vernolide-A on the induction of apoptosis as well as its regulatory effect on the activation of transcription factors in B16F-10 melanoma cells. Treatment of B16F-10 cells with nontoxic concentrations of vernolide-A showed the presence of apoptotic bodies and induced DNA fr...

journal_title：Drug and chemical toxicology

authors： Pratheeshkumar P,Kuttan G

更新日期：2011-07-01 00:00:00

abstract：:The toxicity of etephon and maleic hydrazide, used as plant growth regulators in agriculture, were reported as low in mammals in previous studies. However, in vitro cytotoxicity studies in mammalian cells are currently missing to understand their toxicity at molecular level. In the current study, the cytotoxicity of t...

journal_title：Drug and chemical toxicology

authors： Yurdakok B,Baydan E,Okur H,Gurcan IS

更新日期：2014-10-01 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：:The Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP) mandate protection of public health, welfare, and the environment at Superfund hazardous waste sites. The NCP requires lead response agenciesto integrate bas...

journal_title：Drug and chemical toxicology

authors： Fritz AT,Buchman MF

更新日期：1997-11-01 00:00:00

abstract：:Doxorubicin (DOX), a highly active chemotherapeutic drug, faces limitations in clinical application due to severe cardiotoxic effects (mainly through increased oxidative stress). Therefore, its effect is exacerbated in subjects with ischemic heart disease. We have recently reported that saffron extract (SAF), a natura...

journal_title：Drug and chemical toxicology

authors： Chahine N,Nader M,Duca L,Martiny L,Chahine R

更新日期：2016-01-01 00:00:00

abstract：:Effects of diazinon, at different concentrations and exposure times, were investigated in freshwater fish, Cyprinus carpio, to elucidate the possible mode of action on lipid peroxidation together with the inhibitory effect of diazinon on acetylcholinesterase activity and changes in tissue protein levels. Cholinesteras...

journal_title：Drug and chemical toxicology

authors： Ozcan Oruç E,Uner N,Sevgiler Y,Usta D,Durmaz H

更新日期：2006-01-01 00:00:00

abstract：:While it is well recognized that the combination of amoxicillin and clavulanic acid has been associated with hepatic adverse events, there are only a few reports about amoxicillin alone causing hepatic toxicity. We describe a 34-year-old woman who developed severe cholestatic hepatitis following amoxicillin treatment....

journal_title：Drug and chemical toxicology

authors： Chaabane NB,Safer L,Njim L,Zakhama A,Saffar H

更新日期：2011-10-01 00:00:00

abstract：:In our previous reports, aspirin, an antipyretic analgesic, suppressed the genotoxicity of mitomycin C (MMC) in a somatic mutation and recombination test (SMART) in Drosophila melanogaster. In order to reveal the mechanism of the anti-genotoxicity of aspirin, we evaluated the suppressing ability of each aspirin metabo...

journal_title：Drug and chemical toxicology

authors： Niikawa M,Nakamura T,Nagase H

更新日期：2006-01-01 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：: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：:In May 1993, Administrative Browner of the U.S. Environmental Protection Agency (USEPA) announced that an indirect exposure health risk assessment was required for all hazardous waste combustion facilities seeking a Resource Conservation and Recovery Act permit. These types of risk assessments evaluate the health and ...

journal_title：Drug and chemical toxicology

authors： Gaborek BJ

更新日期：2000-02-01 00:00:00

abstract：CONTEXT:Celtis glabrata is used in Turkey for the treatment of various health disorders. OBJECTIVE:The acetone, chloroform, ethanol, and methanol extracts of C. glabrata leaf, fruit, and seed were investigated to evaluate their antimutagenic activities. MATERIAL AND METHODS:The antimutagenicity of these extracts was ...

journal_title：Drug and chemical toxicology

authors： Akin D,Durak Y,Uysal A,Gunes E,Aladag MO

更新日期：2016-01-01 00:00:00

abstract：:The fluoride reactivation process was evaluated for measuring the level of sarin or soman nerve agents reactivated from substrates in plasma and tissue from in vivo exposed guinea pigs (Cava porcellus), in blood from in vivo exposed rhesus monkeys (Macaca mulatta), and in spiked human plasma and purified human albumin...

journal_title：Drug and chemical toxicology

authors： Adams TK,Capacio BR,Smith JR,Whalley CE,Korte WD

更新日期：2004-02-01 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：:A 1-year chronic toxicity study was conducted in which rhesus monkeys (4/sex/dose) were given daily doses of 0, 3, 10, or 25 mg zatosetron/kg by nasogastric intubation. Clinical signs of toxicity characterized by salivation, diarrhea or soft stools, and/or emesis occurred in animals that received 10 or 25 mg/kg of zat...

journal_title：Drug and chemical toxicology

authors： Bendele A,Means J,Shoufler J,Schmalz C,Hanasono G,Symanowski J,Adams E

更新日期：1995-02-01 00:00:00

abstract：:This study was conducted to evaluate the potential reproductive toxicity of epichlorohydrin in a one-generation reproduction toxicity study in compliance with OECD Test Guideline 415. Twenty-four male and female rats per group were given epichlorohydrin by gavage at 0, 3.3, 10, and 30 mg/kg/day. Males were dosed for 1...

journal_title：Drug and chemical toxicology

authors： Shin IS,Park NH,Lee JC,Kim KH,Moon C,Kim SH,Shin DH,Park SC,Kim HY,Kim JC

更新日期：2010-07-01 00:00:00

abstract：:Adriamycin (ADR) causes morphological and functional alterations in mitochondrial structure in the heart. The study's aim was to determine whether there is a protective effect of selenium (Se) on ADR-induced cardiac damage. Rats were divided into four groups: The first group was injected saline intraperitoneally (i.p....

journal_title：Drug and chemical toxicology

authors： Dursun N,Taşkın E,Yerer Aycan MB,Sahin L

更新日期：2011-04-01 00:00:00

abstract：:The accelerating rotarod was used to assess motor performance decrement in rats after administration of candidate anticonvulsant compounds (acetazolamide, amitriptyline, chlordiazepoxide, diazepam, diazepam-lysine, lorazepam, loprazolam, midazolam, phenobarbital and scopolamine) against nerve agent poisoning. All comp...

journal_title：Drug and chemical toxicology

authors： Capacio BR,Harris LW,Anderson DR,Lennox WJ,Gales V,Dawson JS

更新日期：1992-01-01 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