Assessment of protective effects of glucosamine and N-acetyl glucosamine against DNA damage induced by hydrogen peroxide in human lymphocytes.

abstract：:The tricyclic antidepressant imipramine was instilled directly onto the lung surface of experimental rats in specific low doses (0.025 - 0.60 mg/kg body weight) and the animals were sacrificed at time intervals from 2 - 21 days after a single instillation. Such treatment caused changes almost exclusively confined to t...

journal_title：Drug and chemical toxicology

authors： Lewis RW,Harwood JL,Richards RJ

更新日期：1983-01-01 00:00:00

abstract：:Three alkyl diamines, which are by-products formed and separated during the production of hexamethylene diamine, have been tested, mostly for their acute toxicity. This paper reviews methodologies used and the results obtained from these three chemicals. All three tested [2-methyl-1,5-pentanediamine (2-MP), 1,3-diamin...

journal_title：Drug and chemical toxicology

authors： Kennedy GL Jr

更新日期：2007-01-01 00:00:00

abstract：:Medications show their biological effects by interaction with enzymes, which have been known to play an essential role in the pathogenesis of many diseases. Inhibition or induction of drug metabolizing enzymes has an essential place in the drug design for many kinds of diseases including cardiovascular, neurological, ...

journal_title：Drug and chemical toxicology

authors： Beydemir Ş,Türkeş C,Yalçın A

更新日期：2019-06-09 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：: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：:Experimental and clinical data relevant for the evaluation of the carcinogenic potential of the immunosuppressant ciclosporin are reviewed. Ciclosporin binds reversibly to the cytosolic receptor protein ciclophilin. Ciclophilin is likely involved in the blockade of lymphocyte activation-induced gene transcription of v...

journal_title：Drug and chemical toxicology

authors： Ryffel B,Mihatsch MJ,Fisher GL

更新日期：1992-01-01 00:00:00

abstract：:The present study enumerates the attenuating effects of curcumin and α-tocopherol against propoxur induced oxidative DNA damage in human peripheral blood mononuclear cells (PBMC). Cultured cells were isolated from peripheral blood of healthy volunteers, and were exposed to varying concentrations of propoxur (0-21 μg/m...

journal_title：Drug and chemical toxicology

authors： Ahmed T,Goel V,Banerjee BD

更新日期：2018-04-01 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 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：:1-((2-methyl-4-[(2-methyl phenyl)azo] phenyl)azo)-2-naphthalenol (C.I. Solvent Red 24) was prepared having a 14C label on the methyl group of the central ring and was administered in suspension intra-tracheally to a male and a female rat. After 96 hours in metabolism cages, the animals were sacrificed and 14C counted ...

journal_title：Drug and chemical toxicology

authors： Parent RA,Dressler I

更新日期：1979-01-01 00:00:00

abstract：:Copper (Cu) is a heavy metal with the ability to induce, at high levels, neurobehavioral alterations, and oxidative stress (OS). On the other hand, melatonin (Mel) is a neurohormone that protects neurons from OS and has a modulatory effect on several behavioral processes. The present experiment was aimed to examine th...

journal_title：Drug and chemical toxicology

authors： Lamtai M,Zghari O,Azirar S,Ouakki S,Mesfioui A,El Hessni A,Berkiks I,Marmouzi I,Ouichou A

更新日期：2021-01-07 00:00:00

abstract：:Nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin, celecoxib, and etoricoxib are reported to act as chemopreventive agents in experimental colon cancer induced by 1,2-dimethylhydrazine (DMH) as they are known cyclooxygenase (COX) enzyme inhibitors. To determine whether NSAIDs can also effectively modulate ...

journal_title：Drug and chemical toxicology

authors： Kanwar SS,Vaiphei K,Nehru B,Sanyal SN

更新日期：2007-01-01 00:00:00

abstract：:Rotenone, an environmental toxin, triggers Parkinson's disease (PD)-like pathology through microglia-mediated neuronal death. The effects and molecular mechanisms of flavonoid luteolin against rotenone-induced toxicity was assessed in microglial BV2 cells. Cells were pretreated with luteolin (1-50 µM) for 12 h and the...

journal_title：Drug and chemical toxicology

authors： Elmazoglu Z,Yar Saglam AS,Sonmez C,Karasu C

更新日期：2020-01-01 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：: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：: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 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：: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：: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：: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：: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：:Various antioxidants play an important role in reducing the reactive oxygen species (ROS) by scavenging them directly or indirectly. Mercury (Hg) is one of the known hazardous genotoxicant, induces the genotoxicity by enhancing the ROS. In the present study, three structurally different bioactive compounds such as mel...

journal_title：Drug and chemical toxicology

authors： Patel TA,Rao MV

更新日期：2015-10-01 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：: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 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：CONTEXT:Withania somnifera (L) Dunal (Solanaceae) is an important traditional herbal medicine used for thousands of years and is considered as the Indian ginseng. Reports on the effect of Withania somnifera root (WSR) extract on the developing foetus of pregnant rats including mortality, structural abnormalities, chang...

journal_title：Drug and chemical toxicology

authors： Prabu PC,Panchapakesan S

更新日期：2015-01-01 00:00:00

abstract：:Pachira aquatica is a species used for medicinal and food purposes and has numerous phytochemicals that may have systemic toxic effects and damage to genetic material. This study aimed to evaluate acute and short-term oral toxicity, as well as genotoxic and clastogenic effects of oil extracted from P. aquatica (PASO) ...

journal_title：Drug and chemical toxicology

authors： Marcelino JM,Villas Boas GR,Cunha M,Deus Júnior R,Castro LH,Araújo FH,Traesel GK,Dos Santos AC,Souza RI,Paes M,Gubert P,Guterres ZDR,de Lima FF,Silva T,Silva RC,Cardoso CAL,Argandoña EJ,Macorini LF,Oesterreich SA

更新日期：2020-11-30 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 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：: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