Determination of mercury in fish from rivers and lakes in Hungary by atomic absorption technique.

abstract：:The toxicity of two new monofunctional sulfur mustard derivatives was tested. The compound (4-carboxybutyl 2-chloroethyl sulfide, CBCS; 10-carboxydecyl 2-chloroethyl sulfide, CDCS) possess the 2-chloroethyl sulfide moiety present in mustard gas. Exposure of guinea pig skin to CBCS resulted in a dose-related ulcerative...

journal_title：Toxicology

authors： Wormser U,Green BS,Arad-Yellin R,Brodsky B,Shatz I,Nyska A

更新日期：1996-04-15 00:00:00

abstract：:The administration of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) to a variety of cultured cells may alter their ability to proliferate and die. In a previous study we demonstrated that TCDD induced proliferation in Madin-Darby Bovine Kidney (MDBK) cells where no signs of apoptosis were observed, but herein, analysis o...

journal_title：Toxicology

authors： Fiorito F,Ciarcia R,Granato GE,Marfe G,Iovane V,Florio S,De Martino L,Pagnini U

更新日期：2011-12-18 00:00:00

abstract：:Extracts from the leaves of Ginkgo biloba L. belong to the most widely used phytopharmaceuticals. In crude Ginkgo extracts, ginkgolic acids (GA) and related alkylphenols (e.g. cardanols and cardols) have been recognized as hazardous compounds with suspected cytotoxic, allergenic, mutagenic and carcinogenic properties....

journal_title：Toxicology

authors： Hecker H,Johannisson R,Koch E,Siegers CP

更新日期：2002-08-15 00:00:00

abstract：:The cytochrome P-450 enzymes are responsible for the oxidation of xenobiotic chemicals including drugs, pesticides, and carcinogens. These enzymes include cytochrome P450, cytochrome b(5), arylhydrocarbon (benzo[a]pyrene) hydroxylase (AHH), NADPH-cytochrome C reductase and dimethylnitrosamine N-demethylase I (DMN-dI)....

journal_title：Toxicology

authors： Sheweita SA,El-Gabar MA,Bastawy M

更新日期：2001-12-14 00:00:00

abstract：:The agricultural fungicide N-(3,5-dichlorophenyl)succinimide (NDPS) is an acute nephrotoxicant in rats. Our previous studies have strongly suggested that glucuronide conjugation of NDPS metabolites might be a bioactivation step mediating NDPS nephrotoxicity. In this study, effects of substrates and/or inhibitors of pr...

journal_title：Toxicology

authors： Hong SK,Anestis DK,Brown PI,Rankin GO

更新日期：1999-01-01 00:00:00

abstract：:The effects of thallous cation (Tl(+)) on: (a) the production of oxidant species and (b) membrane fluidity were evaluated in human leukemia T cells (Jurkat). After 72 h of incubation in the presence of Tl(+) (5-100 microM), no significant changes in cell viability were observed, although the average cell size was decr...

journal_title：Toxicology

authors： Verstraeten SV

更新日期：2006-05-01 00:00:00

abstract：:Clostridium difficile toxins A and B (TcdA and TcdB) belong to the class of large clostridial cytotoxins and inactivate by glucosylation some low molecular mass GTPases of the Rho-family (predominantly Rho, Rac and Cdc42), known as regulators of the actin cytoskeleton. TcdA and B also represent the main virulence fact...

journal_title：Toxicology

authors： Balletta A,Lorenz D,Rummel A,Gerhard R,Bigalke H,Wegner F

更新日期：2015-02-03 00:00:00

abstract：:Following carbon tetrachloride-induced liver injury, hepatotrophic factors are synthesized and released into the serum to facilitate the regeneration of damaged hepatic tissue. We investigated the possibility that immunosuppression could be mediated through induction of a serum factor(s) because in vivo exposure of B6...

journal_title：Toxicology

authors： Delaney B,Kaminski NE

更新日期：1993-12-15 00:00:00

abstract：:In the present study, we demonstrated the cytotoxic effect of a dimethylarsenic compound in seaweed, (R)-(2',3'-dihydroxypropyl) 5- deoxy-5-dimethylarsinoyl-beta-D-riboside, namely arsenosugar (AsSug), on mammalian cells, murine macrophages, in comparison with that of an inorganic arsenical, arsenite, in vitro. More t...

journal_title：Toxicology

authors： Sakurai T,Kaise T,Ochi T,Saitoh T,Matsubara C

更新日期：1997-10-19 00:00:00

abstract：:The effects of D- and L-T3 were compared in male SK & F Wistar rats to define overall effects on the 'pituitary-thyroid-liver axis' at high doses. After in vivo administration of L-T3 (up to 1 mg/kg orally, or up to 0.1 mg/kg subcutaneously) serum TSH and T4 were decreased in a dose-related manner. Similarly, followin...

journal_title：Toxicology

authors： Jones CA,Brown CG,Dickens TA,Atterwill CK

更新日期：1988-03-01 00:00:00

abstract：:Allylamine (3-aminopropene) is a specific cardiac toxicant that causes aortic, valvular and myocardial lesions in many species. Myocardial necrosis can be observed 24 h after a single dose. Acute toxicity is believed to involve metabolism of allylamine to highly reactive acrolein (2-propenal). Allylamine has been show...

journal_title：Toxicology

authors： Biagini RE,Toraason MA,Lynch DW,Winston GW

更新日期：1990-05-14 00:00:00

abstract：:The synthetic pyrethroid insecticide, cypermethrin, was given during gestation to pregnant rats by gavage in corn oil. Peripheral blood and spleen cytotoxic activity of dams and their offspring were then evaluated at different times (30, 60, 90, 120 days) after birth. Pups showed a significant increase in peripheral b...

journal_title：Toxicology

authors： Santoni G,Cantalamessa F,Mazzucca L,Romagnoli S,Piccoli M

更新日期：1997-07-11 00:00:00

abstract：:Previous studies have shown that excess dietary Al during development can affect neurobehavioral measures and decrease tissue Mn of 21-day-old weanling mice without a corresponding increase in tissue Al concentrations. Al and Mn have similar tissue concentrations and similar affinities for transferrin, which is the ma...

journal_title：Toxicology

authors： Golub MS,Han B,Keen CL,Gershwin ME

更新日期：1993-07-11 00:00:00

abstract：:Heavy metals, such as iron and manganese, are involved in neurologic disease. Most often these diseases are associated with abnormal environmental exposures or abnormal accumulations of heavy metals in the body. There is increasing recognition that heavy metals normally present in the body also may play a role in dise...

journal_title：Toxicology

authors： Montgomery EB Jr

更新日期：1995-03-31 00:00:00

abstract：:Isolated perfused rat kidneys were used to determine the contribution of filtration and tubular transport of cisplatin to its nephrotoxicity. Perfusion of kidneys with 0.5 mM cisplatin concomitantly reduced tubular reabsorption of electrolytes and glomerular filtration rate in a time-dependent manner. These renal func...

journal_title：Toxicology

authors： Miura K,Goldstein RS,Pasino DA,Hook JB

更新日期：1987-05-01 00:00:00

abstract：:Chlorpyrifos (CPF) is a commonly used diethylphosphorothionate organophosphorus (OP) insecticide. Diethylphosphate (DEP), diethylthiophosphate (DETP) and 3,5,6-trichloro-2-pyridinol (TCPy) are products of both in vivo metabolism and environmental degradation of CPF and are routinely measured in urine as biomarkers of ...

journal_title：Toxicology

authors： Busby-Hjerpe AL,Campbell JA,Smith JN,Lee S,Poet TS,Barr DB,Timchalk C

更新日期：2010-01-31 00:00:00

abstract：:The potential of single, toxic doses of fenitrothion (O,O-dimethyl O-(4-nitro-m-tolyl)phosphorothioate) to elicit delayed neurotoxicity in the adult White Leghorn hen was compared to the effects produced following similar treatment with the known neurotoxin, tri-o-tolyl phosphate (TOTP). Hens (2.0-2.5 kg body wt) rece...

journal_title：Toxicology

authors： Durham HD,Ecobichon DJ

更新日期：1986-11-01 00:00:00

abstract：:Flame retardants such as polybrominated diphenyl ethers (PBDE) and tetrabromobisphenol A are used as flame retardants and detected in the environmental, wildlife species and human tissues. Exposure to PBDEs during the neonatal development of the brain has been shown to affect behavior and learning and memory in adult ...

journal_title：Toxicology

authors： Viberg H,Eriksson P

更新日期：2011-10-28 00:00:00

abstract：:Genetic polymorphism of drug metabolizing enzymes (DME) can lead to severe toxicity or therapeutic failure of pharmacotherapy. Additionally, genetically determined differences in the activity of the metabolic enzymes can increase an individual's susceptibility to certain types of chemically induced cancers and possibl...

journal_title：Toxicology

authors： Bourian M,Gullstén H,Legrum W

更新日期：2000-04-03 00:00:00

abstract：:In a Japanese chemical factory, a lung disease like pneumoconiosis appeared at a high rate among workers handling cross-linked water-soluble acrylic acid polymer (CWAAP). To our knowledge, no such case was known in the world until very recently. The present study was designed to elucidate the effect of single intratra...

journal_title：Toxicology

authors： Suka M,Kido T,Yoshioka W,Hachisuka E,Okoshi H,Yamauchi T,Hano H,Okano T,Yokoyama M,Yanagisawa H

更新日期：2021-01-30 00:00:00

abstract：:Recently, chimeric mice with humanized liver were established by transplanting human hepatocytes into an urokinase-type plasminogen activator(+/+)/severe combined immunodeficient transgenic mouse line. The replacement with human hepatocytes is more than 80-90% and is higher than any other chimeric mouse reported previ...

journal_title：Toxicology

authors： Katoh M,Tateno C,Yoshizato K,Yokoi T

更新日期：2008-04-03 00:00:00

abstract：:Immunotoxicology originated in the early 1970s, when scientists began investigating chemicals. During the 1970s and early 1980s, a few investigators determined that chemicals were immunotoxic, developed and/or refined immunoassays, and began to characterize immunotoxic responses. In the 1980s, many new investigators e...

journal_title：Toxicology

authors： Koller LD

更新日期：2001-03-07 00:00:00

abstract：:Bromofenofos (BF) was administered by gavage once to non-pregnant and pregnant rats at 50 mg/kg and the plasma concentration-time curves of BF and its metabolite dephosphate bromofenofos (DBF) were determined by high-performance liquid chromatography. DBF reached a peak at 9 h, with 113.4 +/- 5.2 micrograms/ml, follow...

journal_title：Toxicology

authors： Yoshimura H,Endoh YS

更新日期：1989-05-15 00:00:00

abstract：:After i.v. injection of 0.33 mg nicotine/kg the elimination of unchanged nicotine as well as nicotine-N-oxide, cotinine, nornicotine and norcotinine was determined in the urine of pigs dependent on time. In female pigs 16.3% and in male pigs 25.9% of the applied nicotine were recovered in form of the mentioned compoun...

journal_title：Toxicology

authors： Harke HP,Frahm B

更新日期：1976-06-01 00:00:00

abstract：:Bisphenol A (BPA), is an artificial estrogen initially produced for medical purposes but is today widely used in polycarbonate plastics and epoxy resins. Exposure-related reproductive disorders have been found, but recently it has also been suggested that BPA may be involved in obesity, diabetes, myocardial hypertroph...

journal_title：Toxicology

authors： Ljunggren SA,Iggland M,Rönn M,Lind L,Lind PM,Karlsson H

更新日期：2016-03-10 00:00:00

abstract：:Recent epidemiological studies have reported associations between the consumption of chlorinated drinking water and various types of human cancer; in addition, exposure to chlorine (Cl-) in drinking water has been reported to suppress certain immune functions in laboratory animals. The current studies were conducted t...

journal_title：Toxicology

authors： French AS,Copeland CB,Andrews DL,Wiliams WC,Riddle MM,Luebke RW

更新日期：1998-01-16 00:00:00

abstract：:There has been an intensive debate whether dietary exposure to acrylamide could increase the risk of human cancer since the first description of the presence of acrylamide in food in 2002. As the intestinal mechanisms of acrylamide absorption are poorly investigated we studied the transport of acrylamide in differenti...

journal_title：Toxicology

authors： Zödl B,Schmid D,Wassler G,Gundacker C,Leibetseder V,Thalhammer T,Ekmekcioglu C

更新日期：2007-03-22 00:00:00

abstract：PURPOSE:1-Bromopropane (1-BP) intoxication is associated with depression and cognitive and memory deficits. The present study tested the hypothesis that 1-BP suppresses neurogenesis in the dentate gyrus, which is involved in higher cerebral function, in adult rats. METHODS:Four groups of 12 male Wistar rats were expos...

journal_title：Toxicology

authors： Zhang L,Nagai T,Yamada K,Ibi D,Ichihara S,Subramanian K,Huang Z,Mohideen SS,Naito H,Ichihara G

更新日期：2013-02-08 00:00:00

abstract：:Arsenic contamination of drinking water is a matter of global concern. Arsenic intake impairs immune responses and leads to a variety of pathological conditions including cancer. In order to understand the intricate tuning of immune responses elicited by chronic exposure to arsenic, a mouse model was established by su...

journal_title：Toxicology

authors： Choudhury S,Gupta P,Ghosh S,Mukherjee S,Chakraborty P,Chatterji U,Chattopadhyay S

更新日期：2016-05-16 00:00:00

abstract：:High-throughput in vitro toxicity screening provides an efficient way to identify potential biological targets for environmental and industrial chemicals while conserving limited testing resources. However, reliance on the nominal chemical concentrations in these in vitro assays as an indicator of bioactivity may misr...

journal_title：Toxicology

authors： Wetmore BA

更新日期：2015-06-05 00:00:00