Areca nut procyanidins prevent ultraviolet light B-induced photoaging via suppression of cyclooxygenase-2 and matrix metalloproteinases in mouse skin.

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：:S-[3-carbamoylsulfanyl-2-(dimethylamino)propyl] carbamothioate (Cartap) (CAS number: 15263-52-2) is a synthetic insecticide of thiocarbamates group that is extensively used in field of agriculture for controlling of several pests like rice stem borer, leaf folder pests in paddy field and diamond back moth, aphids in c...

journal_title：Drug and chemical toxicology

authors： Sharma LP,Kadve MP,Lingaraju MC,Telang AG

更新日期：2021-03-01 00:00:00

abstract：:Gold nanorods (GNRs) are used for their wide variety of applications in various industries. There is a little availability of data related to toxicity and ecological implications of these GNRs. The study evaluated the oxidative stress induction following intra-tracheal instillation of 1 and 5 mg/kg b.w. doses of 10 an...

journal_title：Drug and chemical toxicology

authors： Lingabathula H,Yellu N

更新日期：2018-04-01 00:00:00

abstract：:Orlistat is an FDA-approved over-the-counter drug to treat obesity through the inhibition of lipase activity. Macrophages, which express high levels of lipoprotein lipase (LPL), are important phagocytes in the innate immune system. Our previous studies indicated that environmentally relevant concentrations of arsenite...

journal_title：Drug and chemical toxicology

authors： Lou K,Huang P,Ma H,Wang X,Xu H,Wang W

更新日期：2019-10-31 00:00:00

abstract：:The effect of chlormethiazole (CMZ) at single and multiple doses on the toxicokinetics of diethylnitrosamine (DEN) was investigated in normal rats and those with DEN-induced liver fibrosis. Twelve rats were treated with DEN (50 mg/kg) alone and in combination with a single dose of CMZ (10, 50, or 100 mg/kg) by intrape...

journal_title：Drug and chemical toxicology

authors： Wang G,Xiao K,Gao J,Jiang S,Wang S,Weng S,Xu C,Wang T,Qiao HL

更新日期：2019-11-01 00:00:00

abstract：INTRODUCTION:Liver fibrosis is the excessive accumulation of extracellular matrix (ECM) proteins including collagen that occurs in most types of chronic liver diseases. This study aimed to investigate and compare the therapeutic efficacy of different magnesium (Mg)-containing supplements (formulations A, B, and C) on c...

journal_title：Drug and chemical toxicology

authors： El-Tantawy WH,Sabry D,Abd Al Haleem EN

更新日期：2017-01-01 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：:Beagle dogs (3 to 6 years old) were treated with 100-150 mg procainamide HC1/kg/day. After 2, 5, and 9 months of treatment, peripheral blood lymphocytes were isolated and stimulated with pokeweed mitogen. The data demonstrated a suppression of mitogenesis only at 2 and 5 months after procainamide treatment. The lympho...

journal_title：Drug and chemical toxicology

authors： Mulhern SA,Daguillard F,Robinson CJ,Balazs T

更新日期：1988-06-01 00:00:00

abstract：:Transient global ischemia continues to be an important clinical problem with limited treatment options. The present study aimed to investigate the possible protective effects of celecoxib [a selective cyclooxygenase (COX-2) inhibitor] and N-omega-nitro-L-arginine methyl ester (L-NAME) [a nonselective nitric oxide synt...

journal_title：Drug and chemical toxicology

authors： Abd El-Aal SA,El-Sawalhi MM,Seif-El-Nasr M,Kenawy SA

更新日期：2013-10-01 00:00:00

abstract：:Studies have demonstrated that benzodiazepine compounds are effective at antagonizing seizure activity produced by the organophosphate (OP) cholinesterase inhibitor soman. In this present study we have investigated the pharmacokinetics of midazolam and its associated effects on electroencephalographic (EEG) activity f...

journal_title：Drug and chemical toxicology

authors： Capacio BR,Byers CE,Merk KA,Smith JR,McDonough JH

更新日期：2004-05-01 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：:Heme oxygenase-1 (HO-1) expression, in response to various stimuli, has been generally reported to protect against cellular stress. However, we previously demonstrated simvastatin-induced HO-1-exaggerated nuclear factor kappa beta (NF-κβ) activation and superoxide production on exposure to lipopolysaccharide (LPS). Th...

journal_title：Drug and chemical toxicology

authors： Hsieh CH,Jeng JC,Hsieh MW,Chen YC,Lu TH,Rau CS,Jeng SF

更新日期：2011-01-01 00:00:00

abstract：:It is generally thought that residual unpolymerized (meth)acrylic monomers commonly found in pressure sensitive adhesive tapes for medical use may cause dermal irritation, but a systematic study has never been carried out. Therefore, we assessed the potential dermal irritating effect of residual (meth)acrylic monomers...

journal_title：Drug and chemical toxicology

authors： Tokumura F,Matsui T,Suzuki Y,Sado M,Taniguchi M,Kobayashi I,Kamiyama M,Suda S,Nakamura A,Yamazaki Y,Yamori A,Igarashi R,Kawai J,Oka K

更新日期：2010-01-01 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：: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：:In 1994, the United States Environmental Protection Agency (USEPA) developed a screening methodology for conducting indirect exposure risk assessments for combustion facilities. The United States Army Center for Health Promotion and Preventive Medicine currently utilizes this methodology in conjunction with other USEP...

journal_title：Drug and chemical toxicology

authors： Walter MA

更新日期：1999-02-01 00:00:00

abstract：:The antigenotoxic activity of glucosamine (GlcN) and N-acetylglucosamine (GlcNAc) in human peripheral lymphocytes exposed to oxidative stress was investigated. Human lymphocytes were treated with different concentrations of these aminosugars (0, 2.5, 5, 10, 20 and 40 mM) and 25 µM H2O2 simultaneously and evaluated by ...

journal_title：Drug and chemical toxicology

authors： Jamialahmadi K,Soltani F,Nabavi Fard M,Behravan J,Mosaffa F

更新日期：2014-10-01 00:00:00

abstract：:The cytotoxic effect of caffeine on heart cells was evaluated in primary cultures of rat heart muscle (M) and endothelioid (E) cells. The cultures were exposed to 5, 10, or 20 mM caffeine for 6, 12, or 24 hours. As an index of cytotoxicity produced by the treatments, in situ changes in mitochondrial membrane fragility...

journal_title：Drug and chemical toxicology

authors： Acosta D,Anuforo D

更新日期：1977-01-01 00:00:00

abstract：:This Visual Basic computer program has been developed for drug dosage conversions using metabolically active mass (MAM) of the animals. The two body weights (one with known dosage and the other, for which the dosage has to be calculated) and the known dosage are entered in the respective input boxes and the appropriat...

journal_title：Drug and chemical toxicology

authors： Khan HA

更新日期：2003-02-01 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：:Cardiotoxicity is commonly associated with cocaine abuse. Previous studies have indicated that cocaine alters myocardial mitochondrial function. This study was undertaken to investigate the effect of cocaine on activity of the mitochondrial electron transport chain in cultures of neonatal rat cardiomyocytes and in iso...

journal_title：Drug and chemical toxicology

authors： Yuan C,Acosta D Jr

更新日期：2000-05-01 00:00:00

abstract：:The effects of feeding two compounds, dehydroepiandrosterone (DHEA), an adrenal steroid, and clofibrate (CLOF) to rats (which are both hypolipidemic, hepatomegaly inducing and hepatic peroxisome proliferating agents) on the binding of 7,12-dimethylbenz(a)anthracene (DMBA) to hepatic DNA in vivo is compared. Male Sprag...

journal_title：Drug and chemical toxicology

authors： Prasanna HR,Hart RW,Magee PN

更新日期：1989-09-01 00:00:00

abstract：:Hyperlipidemia causes lipotoxicity which prompts an inflammatory response linked to the development of cardiovascular diseases. Natural compounds have been receiving special attention for its potential to treat diseases, inexpensiveness, and safety. Guarana (Paullinia cupana) has demonstrated notable anti-inflammatory...

journal_title：Drug and chemical toxicology

authors： Ruchel JB,Bernardes VM,Braun JBS,Manzoni AG,Passos DF,Castilhos LG,Abdalla FH,de Oliveira JS,de Andrade CM,Casali EA,da Cruz IBM,Leal DBR

更新日期：2019-06-14 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：: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：:Celecoxib has been shown to have an antitumor effect in previous studies, but the mechanisms are unclear. Ca(2+) is a key second messenger in most cells. The effect of celecoxib on cytosolic free Ca(2+) concentrations ([Ca(2+)](i)) in human suspended PC3 prostate cancer cells was explored by using fura-2 as a fluoresc...

journal_title：Drug and chemical toxicology

authors： Wang JL,Lin KL,Chou CT,Kuo CC,Cheng JS,Hsu SS,Chang HT,Tsai JY,Liao WC,Lu YC,Chen IS,Liu SI,Jan CR

更新日期：2012-10-01 00:00:00

abstract：:Organoselenium compounds can cause anemia in mice, possibly as a consequence of impairment of the heme biosynthesis pathway. Such compounds can inhibit the sulfhydryl-containing enzyme delta-aminolevulinate dehydratase (delta-ALA-D), which is involved in the heme biosynthetic pathway, leading to a decrease in the synt...

journal_title：Drug and chemical toxicology

authors： Folmer V,Farina M,Maciel EN,Nogueira CW,Zeni G,Emanuelli T,Rocha JB

更新日期：2004-11-01 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：:Captan fungicide (N-(trichloromethylthio)-4-cyclohexene-1,2-dicarboximide) metabolism in two human volunteers rapidly yields THPI (tetrahydrophthalimide) and TTCA (thiazolidine-2-thione-4-carboxylic acid). The work was done to evaluate usefulness of TTCA and THPI as biomarkers of occupational exposure and to compare h...

journal_title：Drug and chemical toxicology

authors： Krieger RI,Thongsinthusak T

更新日期：1993-01-01 00:00:00

abstract：:Experiments were carried out to ascertain whether or not saffron (dried stigmas of Crocus sativus L.), a commonly used agent for flavoring and coloring food can exert modulatory effects on the in vivo genotoxicity of cisplatin (CIS), cyclophosphamide (CPH), mitomycin C (MMC) and urethane (URE). For this purpose, Swiss...

journal_title：Drug and chemical toxicology

authors： Premkumar K,Abraham SK,Santhiya ST,Gopinath PM,Ramesh A

更新日期：2001-11-01 00:00:00