Effect of celecoxib and L-NAME on global ischemia-reperfusion injury in the rat hippocampus.

abstract：:Three trials involving 184 male Sprague Dawley rats were conducted to identify the biologically active fraction of endophyte-infected tall fescue seed. In trial 1, seed infected (greater than 95%) with the endophytic fungus Acremonium coenophialum and shown to be toxic to cattle, was serially extracted with hexane, et...

journal_title：Drug and chemical toxicology

authors： Jackson JA,Hemken RW,Bush LP,Boling JA,Siegel MR,Zavos PM

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 MAPK inhibitors on MG132-treated calf pulmonary artery endothelial cells (CPAECs) in relation to cell death, ROS, and glutathione (GSH). ...

journal_title：Drug and chemical toxicology

authors： You BR,Park WH

更新日期：2011-01-01 00:00:00

abstract：:Oxidative stress is produced under diabetic conditions and is likely involved in the progression of pancreatic damage found in diabetes. This study was undertaken to evaluate the protective effect of Aegle marmelos leaf extract, a medicinal plant, on the tissue antioxidant defense system and lipid peroxidative status ...

journal_title：Drug and chemical toxicology

authors： Narendhirakannan RT,Subramanian S

更新日期：2010-04-01 00:00:00

abstract：:Increasing numbers of older adults use cannabis and cannabis-derived products that can have adverse effects. This study examined management site and level of healthcare services for older adult poison control center cases involving cannabis products. Using the American Association of Poison Control Centers' (PCC) Nati...

journal_title：Drug and chemical toxicology

authors： Choi NG,DiNitto DM,Marti CN,Baker SD

更新日期：2021-01-07 00:00:00

abstract：:The purpose of this study was to evaluate the effects of bleached kraft mill effluent on selected physiological and hematological endpoints in fingerling largemouth bass (Micropterus salmoides). Fish were exposed for 35 days to surface water collected at sites up- and downstream from a pulp and paper mill treatment-ef...

journal_title：Drug and chemical toxicology

authors： Baer KN,Bankston CR,Mosadeghi S,Schlenk D

更新日期：2009-01-01 00:00:00

abstract：:The median lethal dose (LD50) of chymopapain B in mice was 82 mg/kg (22,000 units/kg) with 95% confidence limits of 75-90 mg/kg (20, 122-24, 146 units/kg) and in rats 92 (24,683 units/kg) with 95% confidence limits of 83-102 mg/kg (22,268-27, 366 units/kg). The mechanism of toxicity was hemorrhage due to destruction o...

journal_title：Drug and chemical toxicology

authors： Simmons JW,Upman PJ,Stavinoha WB

更新日期：1984-01-01 00:00:00

abstract：:The relationship between lead concentration in the dry film of lead based paints applied to steel bulkheads aboard ship, the lead concentration found in the air when the paint is removed by mechanical means, and blood lead concentrations of workers involved in lead based paint removal has not been well characterized. ...

journal_title：Drug and chemical toxicology

authors： Alexander WK,Carpenter RL,Kimmel EC

更新日期：1999-02-01 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：:We investigated antigenotoxic and antioxidative effects of newly derivatized compound naringenin-oxime (NG-Ox) compared to its mother compound naringenin (NG) against oxidative damage induced by hydrogen peroxide (HP) in human peripheral blood mononuclear cells (PBMC). Antigenotoxic activity was assessed using alkalin...

journal_title：Drug and chemical toxicology

authors： Kocyigit A,Koyuncu I,Taskin A,Dikilitas M,Bahadori F,Turkkan B

更新日期：2016-01-01 00:00:00

abstract：:An automatic system was developed to monitor continuously the colonic temperature of laboratory animals during inhalation exposure to toxic chemicals. It includes: an automatic switchbox, a control circuit, a recorder and a digital voltmeter. The system was calibrated for different temperature ranges and used for a ye...

journal_title：Drug and chemical toxicology

authors： Laham S,Schrader K,Symonds G,Curtin W

更新日期：1978-01-01 00:00:00

abstract：:The purposes of this study was to determine the toxicological effect of repeated intravenous administration of Activin A/BMP-2 chimera (AB204) in beagle dogs for a long period of four weeks and evaluate two-week recovery. AB204 was administered at doses of 0.08, 0.16, or 0.32 mg/kg/day to three male and three female b...

journal_title：Drug and chemical toxicology

authors： Han SH,Zheng GB,Lee JH

更新日期：2019-03-18 00:00:00

abstract：:Three chemotoxins including dimethylnitrosamine (DMN), carbon tetrachloride (CCl4), and thioacetamide (TAA) are commonly used in hepatofibrotic models. We aimed to draw characteristics of histopathology and pro-fibrogenic cytokines including TGF-β, PDGF and CTGF among three models. Rats were divided into six groups an...

journal_title：Drug and chemical toxicology

authors： Park HJ,Kim HG,Wang JH,Choi MK,Han JM,Lee JS,Son CG

更新日期：2016-01-01 00:00:00

abstract：:In adult female Wistar rats, pretreated by gavage with two doses - 16 or 256 mumol/kg - of cyanamide, TMTD (tetramethylthiuram disulfide), TMTM (tetramethylthiuram monosulfide), Ziram or Zineb at 90 min or 18 h before administration of 2 g of ethanol/kg i.p., the blood acetaldehyde levels were significantly increased ...

journal_title：Drug and chemical toxicology

authors： García de Torres G,Römer KG,Torres Alanis O,Freundt KJ

更新日期：1983-01-01 00:00:00

abstract：:The present study was aimed at exploring the effect of monensin, an antibiotic carboxylic polyether ionophore specific for Na(+), on the structural, chemical, and physiological changes of the epididymal sperm of Wistar rats. Animals received monensin at the dose of 3.5 mg/kg body weight daily orally for 70 days, a tre...

journal_title：Drug and chemical toxicology

authors： Sharma P,Kanwar SS,Sanyal SN

更新日期：2013-01-01 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：CONTEXT:Heparin-binding epidermal growth factor like growth factor (HB-EGF) is an emerging therapeutic for the regeneration of the tympanic membrane (TM). OBJECTIVE:Our aim was to determine whether the doses of HB-EGF delivered in a sustained release hydrogel into a middle ear mouse model, would be measurable in the s...

journal_title：Drug and chemical toxicology

authors： Santa Maria PL,Kim S,Yang YP

更新日期：2016-10-01 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：:The potential genotoxic effect of venlafaxine hydrochloride (venlafaxine), an antidepressant drug-active ingredient, was investigated by using in vitro chromosome aberrations (CAs) and cytokinesis-block micronucleus (CBMN) assays in human peripheral blood lymphocytes (PBLs). Mitotic index (MI) and cytokinesis-block pr...

journal_title：Drug and chemical toxicology

authors： Ayabaktı S,Yavuz Kocaman A

更新日期：2020-03-01 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：:The disposition of N-[14C-vinyl]-2-pyrrolidinone was studied in male Sprague-Dawley rats following a single iv injection. Plasma levels of the intact compound dropped rapidly within the first 6 hours after dosing with a half life of 1.90 hours. Urinary excretion by 12 hours represented 74.9% of a 5 microCi dose while ...

journal_title：Drug and chemical toxicology

authors： McClanahan JS,Lin YC,Digenis GA

更新日期：1984-01-01 00:00:00

abstract：CONTEXT:Diplazium esculentum, a commonly consumed seasonal vegetable, has been reported to have some pathological effects in some animals. But, its effect on the male reproductive function has not yet been studied. OBJECTIVE:To investigate the effects of boiled D. esculentum (BDE), the form which human consumes, on ma...

journal_title：Drug and chemical toxicology

authors： Roy S,Chaudhuri TK

更新日期：2017-04-01 00:00:00

abstract：:Diterpene alkaloids (DAs) have a broad spectrum of pharmacological activities, but exhibiting extremely serious cardiotoxicity to induce arrhythmia, heart arrest, even death. This study aimed to evaluate the cardiotoxicity of three diester diterpene alkaloids (DDAs) including aconitine (AC), mesaconitine (MAC), hypaco...

journal_title：Drug and chemical toxicology

authors： Ye Q,Liu H,Fang C,Liu Y,Liu X,Liu J,Zhang C,Zhang T,Peng C,Guo L

更新日期：2019-03-21 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：:In view of the ability of several phosphoesterases to hydrolyze organophosphates to toxic phenols, the bioactivation of bis[p-nitrophenyl]phosphate (BNPP) by the earthworm Lumbricus terrestris was investigated. In a contact toxicity test, BNPP was was less toxic than the metabolite p-nitrophenol (PNP), but more toxic ...

journal_title：Drug and chemical toxicology

authors： Park SC,Smith TJ,Bisesi MS

更新日期：1993-01-01 00:00:00

abstract：:Currently, no standardized and well-validated alternative models exist for screening for progesterone-responsive endocrine disrupting chemicals (EDCs). Because of this, a rapid assay for evaluating progestin/antiprogestin activity using Xenopus oocyte germinal vesicle breakdown (GVBD) as a model was evaluated. Five co...

journal_title：Drug and chemical toxicology

authors： Fort DJ,McLaughlin DW,Rogers RL,Buzzard BO

更新日期：2002-08-01 00:00:00

abstract：:Alkylphenols, a nonionic surface-active agent group, such as nonylphenol (NP) and octylphenol (OP) are important endocrine-disrupting chemicals (EDC). In this study, the dose- and time-dependent effects of NP and OP were investigated in the primary hepatocyte culture of Van Fish. In this study, samples were taken at d...

journal_title：Drug and chemical toxicology

authors： Çilingir Yeltekin A,Oğuz AR

更新日期：2018-10-01 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：:Neurodegenerative diseases affect millions of people. Major reasons behind the onset and progression of these diseases are still under investigation. Therefore, any approach that would treat/prevent progression is important. In this study, we aimed to investigate the potential protective effects of Psephellus pyrrhobl...

journal_title：Drug and chemical toxicology

authors： Taştan P,Armagan G,Dağcı T,Kıvçak B

更新日期：2019-09-02 00:00:00

abstract：:Pefloxacin is a second-generation fluoroquinolone antibiotic. Besides its advantageous characteristics, side effects including the hypofunction of salivary glands, decreased saliva production, and peripheral neuropathy were observed during the administration of pefloxacin. The aim of this study was to investigate the ...

journal_title：Drug and chemical toxicology

authors： Skopkó BE,Deák Á,Matesz C,Kelentey B,Bácskai T

更新日期：2020-09-01 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