Comparison of the effects of tamoxifen and toremifene on rat hepatocarcinogenesis.

abstract：:The "closed chamber technique" (CCT) is presented. It allows investigation of pharmacokinetics of volatile substances in vivo in animals and in man and in vitro using tissue fractions. During the exposure period only the atmospheric concentrations of the substance are measured. The concentration-time data obtained are...

journal_title：Archives of toxicology

authors： Filser JG

更新日期：1992-01-01 00:00:00

abstract：:Sodium diethyldithiocarbamate (DETC) is the main metabolite of disulfiram. Recently, we reported that mechanism of disulfiram cytotoxicity in V79 cells might be partially connected with thiol redox-state imbalance. Here, we examined the effect of DETC on the level of intracellular glutathione (GSH), protein oxidation ...

journal_title：Archives of toxicology

authors： Rahden-Staroń I,Grosicka-Maciąg E,Kurpios-Piec D,Czeczot H,Grzela T,Szumiło M

更新日期：2012-12-01 00:00:00

abstract：:The effects of dicamba, a widely used broad-leaf herbicide, on rat liver mitochondrial bioenergetic activities were examined. The results obtained for state 4 respiration indicate not only an uncoupling effect, the result of an increase on the permeability of inner mitochondria membrane to protons, but also a strong i...

journal_title：Archives of toxicology

authors： Peixoto F,Vicente JA,Madeira VM

更新日期：2003-07-01 00:00:00

abstract：:Previous studies indicate that benzanthrone, an anthraquinone dye intermediate, caused significant depletion of ascorbic acid (AsA). In this investigation the effect of benzanthrone on the status of different forms of AsA and other bio-antioxidants such as glutathione (GSH) was studied. Oral administration of benzanth...

journal_title：Archives of toxicology

authors： Dwivedi N,Das M,Khanna SK

更新日期：2001-06-01 00:00:00

abstract：:pp'DDT (600 mg/kg, orally) produced an increase in the level of free ammonia and a decrease of acetylcholine in the corpus striatum of rats. These effects were maximal 5 h after the administration of pp'DDT. The animals showed tremors after 2 h, mild or moderate convulsions after 3.5 h and severe convulsions 5 h after...

journal_title：Archives of toxicology

authors： Matin MA,Jaffery FN,Kar PP

更新日期：1980-05-01 00:00:00

abstract：:Male F344/DuCrj (Fischer) rats were given bisphenol A (BPA) in the diet at levels of 0 (control), 0.25, 0.50 and 1.00%, equivalent to 0, 235, 466 and 950 mg/kg per day, respectively, for 44 days. Body weight gains were depressed dose-dependently in BPA-treated rats, and those of 0.50 and 1.00% groups were significant....

journal_title：Archives of toxicology

authors： Takahashi O,Oishi S

更新日期：2001-03-01 00:00:00

abstract：:The acute toxicity of cyanide is determined by its peak levels reached in the body. Compared to the ingestion of free cyanide, lower peak levels may be expected after consumption of foods containing cyanogenic glycosides with the same equivalent dose of cyanide. This is due to possible delayed and/or incomplete releas...

journal_title：Archives of toxicology

authors： Abraham K,Buhrke T,Lampen A

更新日期：2016-03-01 00:00:00

abstract：:The aim was to study the long-term response in the olfactory mucosa of NMRI mice after exposure to the olfactory toxicants dichlobenil (a herbicide) or methimazole (an antithyroid drug). Three and six months after exposure to dichlobenil (2x or 1 x 25 mg/kg i.p.), the dorsomedial part of the olfactory region showed a ...

journal_title：Archives of toxicology

authors： Bergman U,Ostergren A,Gustafson AL,Brittebo B

更新日期：2002-03-01 00:00:00

abstract：:The circadian rhythms of HMG-CoA reductase and cholesterol-7 alpha-hydroxylase (low values, during light, rising in the evening with maximum at 12.00 p.m.) are investigated in rats under diverse conditions. Intragastral administration of cholestyramine (bile acid-absorbing resin) leads to an increased rhythm of both e...

journal_title：Archives of toxicology

authors： Mayer D

更新日期：1976-12-17 00:00:00

abstract：:Pulmonary fibrosis is a poorly understood pathologic condition. Carbon nanotubes (CNTs) are nanomaterials with potentials for broad applications. CNTs can induce pulmonary fibrosis in animals, a cause for concern for exposed workers and consumers. Given the large number of CNTs available on the market and the seemingl...

journal_title：Archives of toxicology

authors： Hindman B,Ma Q

更新日期：2018-11-01 00:00:00

abstract：:Groups of rats were exposed simultaneously to manganese chloride (3 mg Mn2+/ml water) through drinking water and lead acetate intraperitoneally at dosages of 5.0, 8.0 and 12.0 mgPb2+/kg daily for a period of 14 days. The magnitude of changes in the behavioral pattern, contents of biogenic amines and accumulation of le...

journal_title：Archives of toxicology

authors： Chandra AV,Ali MM,Saxena DK,Murthy RC

更新日期：1981-11-01 00:00:00

abstract：:Some nucleoside analogues are used to treat herpes simplex and other viral infections. They are known to impair spermatogenesis, but published data are scarce. We studied the effects of four nucleosides on SerW3 cells, a rat Sertoli cell line. Cells were cultured for 3 days in DMEM supplemented with four different con...

journal_title：Archives of toxicology

authors： Qiu R,Horvath A,Stahlmann R

更新日期：2016-08-01 00:00:00

abstract：:The mycotoxin ochratoxin A (OTA) and its metabolite ochratoxin alpha (OT-alpha) were investigated, to examine their potency to induce sister chromatid exchanges (SCE) in cultured porcine urinary bladder epithelial cells (PUBEC) (primary culture). Serum-free cultured PUBEC were incubated for 5 h with either OTA or OT-a...

journal_title：Archives of toxicology

authors： Föllmann W,Hillebrand IE,Creppy EE,Bolt HM

更新日期：1995-01-01 00:00:00

abstract：:In vivo screening methods for detection of thyroid function modulators are now under development in many research laboratories. We assessed the applicability of the Hershberger assay protocol to screen for thyroid function modulators. In experiment 1, castrated male BrlHan WIST@Jcl (GALAS) rats were administered a pot...

journal_title：Archives of toxicology

authors： Noda S,Muroi T,Takakura S,Sakamoto S,Takatsuki M,Yamasaki K,Tateyama S,Yamaguchi R

更新日期：2005-11-01 00:00:00

abstract：:Inhalation exposure to toluene diisocyanate (TDI) can result in a variety of airway diseases. Concern has been expressed that a putative carcinogenic potential of TDI exists as a result of the formation of toluenediamine (TDA) by hydrolysis of the isocyanate in the body. Results from long-term bioassays (TDI inhalatio...

journal_title：Archives of toxicology

authors： Kennedy AL,Wilson TR,Stock MF,Alarie Y,Brown WE

更新日期：1994-01-01 00:00:00

abstract：:Although polybrominated naphthalenes (PBNs) are contaminants of the commercial fire retardant fireMaster BP-6, the individual PBN isomers have not been identified. In order to study PBNs possessing an analogous level of bromination to those found in fireMaster BP-6, three synthetic PBN mixtures, averaging 5.0, 5.3, an...

journal_title：Archives of toxicology

authors： Robertson LW,Thompson K,Parkinson A

更新日期：1984-07-01 00:00:00

abstract：:Purified phenobarbital-induced rat liver cytochrome P-450 was incorporated in a reconstituted system containing NADPH-cytochrome P-450 reductase, dilauroyl phosphatidyl choline and sodium cholate. This system was added to organ cultures of limb buds from mouse embryos on day 11 of gestation. Cyclophosphamide (100 micr...

journal_title：Archives of toxicology

authors： Kastner M,Blankenburg G,Schulz T,Schack G,Neubert D

更新日期：1988-01-01 00:00:00

abstract：:The effect of various hepatotoxicants on urinary taurine and urinary creatine has been studied in the rat. Several hepatotoxic agents, carbon tetrachloride, thioacetamide, galactosamine and allyl alcohol which all caused hepatic necrosis (sometimes accompanied by steatosis), resulted in a rise in urinary taurine and i...

journal_title：Archives of toxicology

authors： Waterfield CJ,Turton JA,Scales MD,Timbrell JA

更新日期：1993-01-01 00:00:00

abstract：:The peroxisome proliferator class of non-genotoxic rodent hepatocarcinogens cause hepatocyte DNA synthesis, peroxisome proliferation and liver tumours when administered to rats and mice, but fail to induce S-phase or peroxisome proliferation in hepatocytes from other species including guinea-pigs, dogs, and primates i...

journal_title：Archives of toxicology

authors： Tugwood JD,Holden PR,James NH,Prince RA,Roberts RA

更新日期：1998-02-01 00:00:00

abstract：:Exposure to particulate matter (PM) has been related to the onset of adverse health effects including lung cancer, but the underlying molecular mechanisms are still under investigation. Epithelial-to-mesenchymal transition (EMT) is regarded as a crucial step in cancer progression. In a previous study, we reported EMT-...

journal_title：Archives of toxicology

authors： Longhin E,Camatini M,Bersaas A,Mantecca P,Mollerup S

更新日期：2018-09-01 00:00:00

abstract：:The kinetic analysis of esterase inhibition by acylating compounds (organophosphorus carbamates and sulfonyl fluorides) is sometimes unable to yield consistent results by fitting simple inhibition kinetic models to experimental data of complex systems. In this work, kinetic data were obtained for phenylmethylsulfonyl ...

journal_title：Archives of toxicology

authors： Estévez J,Barril J,Vilanova E

更新日期：2012-05-01 00:00:00

abstract：:Standard treatment of poisoning by organophosphates (OP) includes the administration of an antimuscarinic agent, e.g. atropine, and of an acetylcholinesterase (AChE) reactivator (oxime). The presently available oximes, obidoxime and pralidoxime (2-PAM), are considered to be insufficient for highly toxic OPs, e.g. sari...

journal_title：Archives of toxicology

authors： Worek F,Reiter G,Eyer P,Szinicz L

更新日期：2002-09-01 00:00:00

abstract：:Multiple oximes have been synthesized and evaluated for use as countermeasures against chemical warfare nerve agents. The current U.S. military and civilian oxime countermeasure, 2-[(hydroxyimino)methyl]-1-methylpyridin-1-ium chloride (2-PAM), is under consideration for replacement with a more effective acetylcholines...

journal_title：Archives of toxicology

authors： Sterner TR,Ruark CD,Covington TR,Yu KO,Gearhart JM

更新日期：2013-04-01 00:00:00

abstract：:2,3,7,8-Tetrachlorodibenzo- p-dioxin (TCDD) is known to influence vitamin A homeostasis. In order to investigate the mechanism behind this retinoid disruption, male Sprague-Dawley rats were exposed to TCDD at doses ranging from 0.1 to 100 micro g/kg body weight, and were killed 3 days after exposure. Additional groups...

journal_title：Archives of toxicology

authors： Schmidt CK,Hoegberg P,Fletcher N,Nilsson CB,Trossvik C,Håkansson H,Nau H

更新日期：2003-07-01 00:00:00

abstract：:The US Environmental Protection Agency's ToxCast program has generated toxicity data for thousands of chemicals but does not adequately assess potential neurotoxicity. Networks of neurons grown on microelectrode arrays (MEAs) offer an efficient approach to screen compounds for neuroactivity and distinguish between com...

journal_title：Archives of toxicology

authors： Kosnik MB,Strickland JD,Marvel SW,Wallis DJ,Wallace K,Richard AM,Reif DM,Shafer TJ

更新日期：2020-02-01 00:00:00

abstract：:UDP-glucuronosyltransferases (UGTs) are involved in phase II conjugation reactions of xenobiotics and differences in their isoform activities result in interindividual kinetic differences of UGT probe substrates. Here, extensive literature searches were performed to identify probe substrates (14) for various UGT isofo...

journal_title：Archives of toxicology

authors： Kasteel EEJ,Darney K,Kramer NI,Dorne JLCM,Lautz LS

更新日期：2020-08-01 00:00:00

abstract：:Cadmium-induced metallothionein (MT) synthesis was investigated in male rats of three ages, 3, 12 and 24 months. Physiological levels of MT in kidney, liver and lung measured simultaneously in untreated animals were found to be within the same range in all three age groups. Following 3-day treatment with CdCl2 equival...

journal_title：Archives of toxicology

authors： Wormser U,Nir I

更新日期：1988-01-01 00:00:00

abstract：:The uptake, distribution, and elimination of 3H-toluene in various tissues of rats were studied after inhalation or after gastric intubation. The maximum radioactivity was measured 2--3 h after gastric intubation in tissues, except in white adipose tissue, where the peak radioactivity was reached at 5 h. After inhala...

journal_title：Archives of toxicology

authors： Pyykkö K,Tähti H,Vapaatalo H

更新日期：1977-09-28 00:00:00

abstract：:Fumonisin B1 (FB1) is a well-known inhibitor of de novo sphingolipid biosynthesis, due to its ability to inhibit ceramide synthases (CerS) activity. In mammals, this toxin triggers broad clinical symptoms with multi-organ dysfunction such as hepatotoxicity or pulmonary edema. The molecular mechanism of CerS inhibition...

journal_title：Archives of toxicology

authors： Loiseau N,Polizzi A,Dupuy A,Therville N,Rakotonirainy M,Loy J,Viadere JL,Cossalter AM,Bailly JD,Puel O,Kolf-Clauw M,Bertrand-Michel J,Levade T,Guillou H,Oswald IP

更新日期：2015-09-01 00:00:00

abstract：:Cannabis use has become a hot topic in several countries due to the debate about its legalization for medical purposes. However, data are limited regarding adverse events, safety and potential impact on reproductive health. Cannabis consumption during pregnancy has been associated with gestational disorders such as pr...

journal_title：Archives of toxicology

authors： Maia J,Midão L,Cunha SC,Almada M,Fonseca BM,Braga J,Gonçalves D,Teixeira N,Correia-da-Silva G

更新日期：2019-03-01 00:00:00