Simulation modeling of carcinogenesis.

abstract：:Exposure of human bladder urothelial cells (UROtsa) to 50 nM of the arsenic metabolite, monomethylarsonous acid (MMA(III)), for 12 weeks results in irreversible malignant transformation. The ability of continuous, low-level MMA(III) exposure to cause an increase in genotoxic potential by inhibiting repair processes ne...

journal_title：Toxicology and applied pharmacology

authors： Wnek SM,Kuhlman CL,Camarillo JM,Medeiros MK,Liu KJ,Lau SS,Gandolfi AJ

更新日期：2011-11-15 00:00:00

abstract：:p-Aminophenol causes necrosis of the pars recta of the proximal tubules in rats, and its nephrotoxicity may be due to glutathione-dependent bioactivation reactions. We have investigated the hepatic metabolism of p-aminophenol in Wistar rats and the cytotoxicity of formed glutathione S-conjugates in rat renal epithelia...

journal_title：Toxicology and applied pharmacology

authors： Klos C,Koob M,Kramer C,Dekant W

更新日期：1992-07-01 00:00:00

abstract：:In the current study C57BL/6J mice were injected intraperitoneally with Hg(2+) in the absence and presence of TCDD. After 6 and 24h the liver was harvested and the expression of Cyps was determined. In vitro, isolated hepatocytes were incubated with TCDD in the presence and absence of Hg(2+). At the in vivo level, Hg(...

journal_title：Toxicology and applied pharmacology

authors： Amara IE,Anwar-Mohamed A,Abdelhamid G,El-Kadi AO

更新日期：2013-02-01 00:00:00

abstract：:Experiments were conducted to study the acute and subacute effects of intramuscularly injected T-2 toxin in rats and rabbits. The LD50 values of T-2 toxin were 0.85 +/- 0.03 and 1.10 +/- 0.08 mg/kg body wt in rats and rabbits, respectively. The intoxication was characterized by a consistent decrease in serum alkaline ...

journal_title：Toxicology and applied pharmacology

authors： Chan PK,Gentry PA

更新日期：1984-05-01 00:00:00

abstract：:The glutathione precursor N-acetyl-L-cysteine (NAC) is currently being tested on Parkinson's patients for its neuroprotective properties. Our studies have shown that NAC can elicit protection in glutathione-independent manners in vitro. Thus, the goal of the present study was to establish an animal model of NAC-mediat...

journal_title：Toxicology and applied pharmacology

authors： Nouraei N,Zarger L,Weilnau JN,Han J,Mason DM,Leak RK

更新日期：2016-04-01 00:00:00

abstract：:All nutritional selenium sources are transformed into the assumed common intermediate selenide for the syntheses of selenoproteins for utilization and/or of selenosugar for excretion. Methylselenol [monomethylselenide, MMSe] is the assumed intermediate leading to other methylated metabolites, dimethylselenide (DMSe) a...

journal_title：Toxicology and applied pharmacology

authors： Ohta Y,Suzuki KT

更新日期：2008-01-15 00:00:00

abstract：:We developed a fusion toxin consisting of the catalytic and translocation domains of diphtheria toxin linked to human granulocyte-macrophage colony-stimulating factor (GM-CSF) (DTGM) for the treatment of patients with acute myeloid leukemia (AML). Our goal in this study was to determine the toxicity and pharmacokineti...

journal_title：Toxicology and applied pharmacology

authors： Hotchkiss CE,Hall PD,Cline JM,Willingham MC,Kreitman RJ,Gardin J,Latimer A,Ramage J,Feely T,DeLatte S,Tagge EP,Frankel AE

更新日期：1999-07-15 00:00:00

abstract：:Antrodia camphorata (A. camphorata) is a fungus commonly used for treatment of viral hepatitis and cancer in Chinese folk medicine. Extract of A. camphorate is reported to possess anti-inflammatory, antihepatitis B virus and anticancer activities. In this study, we tested the in vivo effects of polysaccharides derived...

journal_title：Toxicology and applied pharmacology

authors： Cheng PC,Hsu CY,Chen CC,Lee KM

更新日期：2008-03-01 00:00:00

abstract：:3-Methylindole (3MI), a fermentation product of tryptophan produced by intestinal and ruminal microflora, has been shown to cause pneumotoxicity in several species subsequent to cytochrome P450-mediated biotransformation. Among several species studied, rabbits are comparatively resistant to 3MI-induced pneumotoxicity,...

journal_title：Toxicology and applied pharmacology

authors： Thornton-Manning JR,Nichols WK,Manning BW,Skiles GL,Yost GS

更新日期：1993-10-01 00:00:00

abstract：:The role of metallothionein or metallothionein-like proteins (MT) in genetic resistance to the testicular and hepatic toxicity of cadmium was examined in inbred strains of mice. Mice of two strains resistant (AJ and C3H/HEJ) or susceptible (129J and DBA/2J) to cadmium-induced testicular necrosis were administered sc 3...

journal_title：Toxicology and applied pharmacology

authors： Nolan CV,Shaikh ZA

更新日期：1986-09-15 00:00:00

abstract：:Environmental risk assessment requires models for estimating the bioaccumulation of untested compounds. So far, bioaccumulation models have focused on lipophilic compounds, and only a few have included hydrophilic compounds. Our aim was to extend an existing bioaccumulation model to estimate the oral uptake efficiency...

journal_title：Toxicology and applied pharmacology

authors： O'Connor IA,Huijbregts MA,Ragas AM,Hendriks AJ

更新日期：2013-01-01 00:00:00

abstract：:There is a growing recognition of the need to identify when exposures to specific combinations of chemicals result in toxicological effects of concern. In order to meet this need new tools are required to evaluate the doses of multiple chemicals that occur from the concurrent exposures to multiple sources of the chemi...

journal_title：Toxicology and applied pharmacology

authors： Arnold SF,Price PS,LifeLine Group.

更新日期：2007-09-01 00:00:00

abstract：:Metallothionein (MT) is a sulfhydryl-rich protein whose levels are increased by administration of a variety of agents including metals, cytokines, and oxidative stress agents. Recent studies have suggested that MT is involved in protecting against various forms of oxidative stress, but little is known about the induct...

journal_title：Toxicology and applied pharmacology

authors： Bauman JW,McKim JM Jr,Liu J,Klaassen CD

更新日期：1992-06-01 00:00:00

abstract：:Polybrominated diphenyl ethers (PBDEs) have been used in a wide variety of consumer applications as additive flame retardants. In North America, scientists have noted continuing increases in the levels of PBDE congeners measured in human serum. Some recent studies have found that PBDEs are associated with adverse heal...

journal_title：Toxicology and applied pharmacology

authors： Emond C,Sanders JM,Wikoff D,Birnbaum LS

更新日期：2013-12-01 00:00:00

abstract：:Arsenic is a human carcinogen with exposure associated with cancer of the lung, skin, and bladder. Many potential mechanisms have been implicated as playing a role in the process of arsenical-induced malignancy including the perturbation of signaling pathways and aberrant epigenetic regulation. We initiated studies to...

journal_title：Toxicology and applied pharmacology

authors： Jensen TJ,Wozniak RJ,Eblin KE,Wnek SM,Gandolfi AJ,Futscher BW

更新日期：2009-02-15 00:00:00

abstract：:Organophosphorus esters (OP) are highly toxic chemicals used as pesticides and nerve agents. Their acute toxicity is attributed to inhibition of acetylcholinesterase (AChE, EC 3.1.1.7) in nerve synapses. Our goal was to find a new therapeutic for protection against OP toxicity. We used a gene therapy vector, adeno-ass...

journal_title：Toxicology and applied pharmacology

authors： Li B,Duysen EG,Poluektova LY,Murrin LC,Lockridge O

更新日期：2006-07-15 00:00:00

abstract：:The ACuteTox Project (part of the EU 6th Framework Programme) was started up in January 2005. The aim of this project is to develop a simple and robust in vitro strategy for prediction of human acute systemic toxicity, which could replace animal tests used for regulatory purposes. Our group is responsible for the char...

journal_title：Toxicology and applied pharmacology

authors： Cerrato L,Valeri A,Bueren JA,Albella B

更新日期：2009-07-15 00:00:00

abstract：:Arsenic compounds are classified as toxicants and human carcinogens. Environmental exposure to arsenic imposes a big health issue worldwide. Arsenic elicits its toxic efforts through many mechanisms, including generation of reactive oxygen species (ROS). Nrf2 is the primary transcription factor that controls expressio...

journal_title：Toxicology and applied pharmacology

authors： Jiang T,Huang Z,Chan JY,Zhang DD

更新日期：2009-10-01 00:00:00

abstract：:Both low-molecular-mass thiols (LMM-SH) and protein thiols (P-SH) can modulate the biological activity of S-nitrosothiols (RSNO) via S-transnitrosation reactions. It has been difficult to evaluate the entity of this effect in blood circulation by in vitro assays with isolated aorta rings so far, because media rich in ...

journal_title：Toxicology and applied pharmacology

authors： Giustarini D,Tsikas D,Rossi R

更新日期：2011-10-15 00:00:00

abstract：:Metformin is a first-line drug for the treatment of type 2 diabetes (T2D) and is often prescribed in combination with other drugs to control a patient's blood glucose level and achieve their HbA1c goal. New treatment options for T2D will likely include fixed dose combinations with metformin, which may require preclini...

journal_title：Toxicology and applied pharmacology

authors： Quaile MP,Melich DH,Jordan HL,Nold JB,Chism JP,Polli JW,Smith GA,Rhodes MC

更新日期：2010-03-15 00:00:00

abstract：:This study investigated the in vivo metabolism of di(2-ethylhexyl) phthalate (DEHP) and mono(2-ethylhexyl) phthalate (MEHP) in rats after multiple dosing, the metabolism of MEHP in primary rat hepatocyte cultures for periods of up to 3 days, and the biotransformation of some major metabolites of MEHP. Rats were orally...

journal_title：Toxicology and applied pharmacology

authors： Lhuguenot JC,Mitchell AM,Milner G,Lock EA,Elcombe CR

更新日期：1985-08-01 00:00:00

abstract：:Diurnal patterns of eating, drinking, locomotor activity, and rearing in male Fischer-344 rats were examined for 11 days after a single oral dose of triethyltin bromide (TET) at 0, 1.5, 3, or 5 mg/kg. The 5 mg/kg group exhibited a time-related drop in food consumption and body weight until 3 of 10 rats were sacrificed...

journal_title：Toxicology and applied pharmacology

authors： Bushnell PJ,Evans HL

更新日期：1986-09-30 00:00:00

abstract：:To elucidate the underlying mechanisms in oxidative stress-related airway remodeling observed in chronic inflammatory pulmonary diseases such as asthma, we studied the effects of a thiol antioxidant, N-acetylcysteine (NAC), a selective epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor, AG-1478, and tyr...

journal_title：Toxicology and applied pharmacology

authors： Tsukagoshi H,Kawata T,Shimizu Y,Ishizuka T,Dobashi K,Mori M

更新日期：2002-11-01 00:00:00

abstract：:Hepatic systems toxicology is the integrative analysis of toxicogenomic technologies, e.g., transcriptomics, proteomics, and metabolomics, in combination with traditional toxicology measures to improve the understanding of mechanisms of hepatotoxic action. Hepatic toxicology studies that have employed toxicogenomic te...

journal_title：Toxicology and applied pharmacology

authors： Kienhuis AS,Bessems JG,Pennings JL,Driessen M,Luijten M,van Delft JH,Peijnenburg AA,van der Ven LT

更新日期：2011-01-15 00:00:00

abstract：:Field potential duration (FPD) in human-induced pluripotent stem cell-derived cardiomyocytes (hiPS-CMs), which can express QT interval in an electrocardiogram, is reported to be a useful tool to predict K(+) channel and Ca(2+) channel blocker effects on QT interval. However, there is no report showing that this techni...

journal_title：Toxicology and applied pharmacology

authors： Nozaki Y,Honda Y,Tsujimoto S,Watanabe H,Kunimatsu T,Funabashi H

更新日期：2014-07-01 00:00:00

abstract：:Endosulfan is an organochlorine pesticide commonly used in agriculture. Endosulfan has affects on vertebrate xenobiotic metabolism pathways that may be mediated, in part, by its ability to activate the pregnane X receptor (PXR) and/or the constitutive androstane receptor (CAR) which can elevate expression of cytochrom...

journal_title：Toxicology and applied pharmacology

authors： Casabar RC,Das PC,Dekrey GK,Gardiner CS,Cao Y,Rose RL,Wallace AD

更新日期：2010-06-15 00:00:00

abstract：:In this study, the effects of pentavalent dimethylarsinic acid ((CH(3))(2)AsO(OH); DMA(V)) and trivalent dimethylarsinous acid ((CH(3))(2)As(OH); DMA(III)) on synaptic transmission generated by the excitatory Schaffer collateral-CA1 synapse were tested in hippocampal slices of young (14-21 day-old) and adult (2-4 mont...

journal_title：Toxicology and applied pharmacology

authors： Krüger K,Repges H,Hippler J,Hartmann LM,Hirner AV,Straub H,Binding N,Musshoff U

更新日期：2007-11-15 00:00:00

abstract：:Several large epidemiological and animal studies demonstrate a direct correlation between dietary heme iron intake and/or systemic iron levels and cancer risk in several cancers including colorectal cancer (CRC). However, the precise mechanisms for how heme iron contributes to CRC and how cancer cells respond to heme ...

journal_title：Toxicology and applied pharmacology

authors： Kim H,Yin K,Falcon DM,Xue X

更新日期：2019-07-01 00:00:00

abstract：:Benzene is used at large volumes in many different human activities. Hematotoxicity and cancer-causation as a result of benzene exposure was recognized many years ago, but the mechanisms involved remain unclear. Aberrant regulation of gap junction intercellular communication (GJIC) has been linked to both cancer induc...

journal_title：Toxicology and applied pharmacology

authors： Rivedal E,Leithe E

更新日期：2008-11-01 00:00:00

abstract：:Renal glutathione (GSH) concentrations were reduced approximately 80% at 4 hr after a single injection of buthionine sulfoxime (BSO) (4 mmol/kg body wt) and remained reduced for at least 16 hr in male rats. Following BSO injection, rats were injected with a nephrotoxic dose of cadmium-metallothionein (Cd-MT) (0.3 mg C...

journal_title：Toxicology and applied pharmacology

authors： Suzuki CA,Cherian MG

更新日期：1989-05-01 00:00:00