Induction of free radicals and tumors in the kidneys of Wistar rats by ferric ethylenediamine-N,N'-diacetate.

abstract：:Acutely transforming retrovirus AKT8 in rodent T cell lymphoma (Akt) phosphorylates and regulates the function of many cellular proteins involved in processes such as metabolism, apoptosis and proliferation. However, the precise mechanisms by which Akt promotes cell survival and inhibits apoptosis have been characteri...

journal_title：Carcinogenesis

authors： Chen HZ,Zhao BX,Zhao WX,Li L,Zhang B,Wu Q

更新日期：2008-11-01 00:00:00

abstract：:Reactive intermediates (ultimate mutagens/carcinogens) generated by alkylating agents are unstable and difficult to characterize by chemical means. We have used a genetic system to distinguish the in vivo interactions of eight carcinogenic methylating agents and five ethylating agents by the patterns of induced mutati...

journal_title：Carcinogenesis

authors： Elespuru RK,Stupar LL,Gordon JA

更新日期：1991-07-01 00:00:00

abstract：:Styrene oxide was reacted with guanosine in fully aqueous conditions, and the products were purified by cation exchange chromatography and h.p.l.c. The products were characterized by u.v. and mass spectra, loss of tritium from the C-8 position and dissociation properties. About 90% of the total product was identified,...

journal_title：Carcinogenesis

authors： Hemminki K,Hesso A

更新日期：1984-05-01 00:00:00

abstract：:The phylogenetically distant F344 and BN rat strains and their (BN x F344) F1 hybrids were compared for susceptibility to hepatocarcinogenesis using the 'resistant hepatocyte' model. Quantitative stereological analysis of frequency (number/liver) and size (mean volume and volume fraction) of placental form glutathione...

journal_title：Carcinogenesis

authors： Pascale RM,Simile MM,DeMiglio MR,Muroni MR,Gaspa L,Dragani TA,Feo F

更新日期：1996-08-01 00:00:00

abstract：:The modifying effects of 4,4'-diaminodiphenylmethane (DDPM) (0.1% in diet) administration on liver carcinogenesis induced by 2-acetylaminofluorene (2-AAF) (0.02% in diet), 3'-methyl-4-dimethylaminoazobenzene (3'-Me-DAB) ( 0.06% in diet), diethylnitrosamine (DEN) (0.001% in drinking water) and N-ethyl-N-hydroxyethylnit...

journal_title：Carcinogenesis

authors： Tsuda H,Ogiso T,Hasegawa R,Imaida K,Masui T,Ito N

更新日期：1987-05-01 00:00:00

abstract：:There is increasing concern that compounds formed during the chemical or biological transformation of pollutants in the environment may be more detrimental to human and environmental health than the original pollutant. In this study, two bacterial transformation products of polycyclic aromatic hydrocarbons (PAHs), pyr...

journal_title：Carcinogenesis

authors： Zielinska-Park J,Nakamura J,Swenberg JA,Aitken MD

更新日期：2004-09-01 00:00:00

abstract：:The caspase proteins are essential for the regulation of normal B cell development and regulation of apoptosis. We investigated five single nucleotide polymorphisms in four key caspase genes, CASP3 [Ex8-280C>A (rs6948) and Ex8+567T>C (rs1049216)], CASP8 Ex14-271A>T (rs13113), CASP9 Ex5+32G>A (rs1052576) and CASP10 Ex3...

journal_title：Carcinogenesis

authors： Lan Q,Zheng T,Chanock S,Zhang Y,Shen M,Wang SS,Berndt SI,Zahm SH,Holford TR,Leaderer B,Yeager M,Welch R,Hosgood D,Boyle P,Rothman N

更新日期：2007-04-01 00:00:00

abstract：:This report shows that generation of hydrogen peroxide (H2O2) by human polymorphonuclear leukocytes (PMNs) activated with tumor promoters of varying potency as first and second stage promoters correlates well with activities of these promoters in vivo. Those tested were 12-O-tetradecanoylphorbol-13-acetate (TPA), a co...

journal_title：Carcinogenesis

authors： Frenkel K,Chrzan K

更新日期：1987-03-01 00:00:00

abstract：:A two-stage carcinogenesis experiment was performed in Syrian golden hamsters using a single intragastric initiation with 10 mg/kg body weight of 7,12-dimethylbenz[a]anthracene (DMBA) and repetitive topical promotion on the back skin with two different doses (80 and 160 mg, respectively) of benzoyl peroxide in 1 ml ac...

journal_title：Carcinogenesis

authors： Schweizer J,Loehrke H,Edler L,Goerttler K

更新日期：1987-03-01 00:00:00

abstract：:Amarogentin, a secoiridoid glycoside, is an active component of the medicinal plant Swertia chirata. In this study, chemopreventive and chemotherapeutic actions of amarogentin were evaluated in a carbon tetrachloride (CCl(4))/N-nitrosodiethylamine (NDEA)-induced liver carcinogenesis mouse model system during continuou...

journal_title：Carcinogenesis

authors： Pal D,Sur S,Mandal S,Das A,Roy A,Das S,Panda CK

更新日期：2012-12-01 00:00:00

abstract：:The Manchester (England) Children's Tumour Registry is population-based with a high level of ascertainment. Pathologic review ensured diagnostic accuracy. Routine monitoring of annual incidence revealed a significant increase in germ cell tumours from approximately 1 per million person years to approximately 4. Analys...

journal_title：Carcinogenesis

authors： Birch JM,Marsden HB,Swindell R

更新日期：1982-01-01 00:00:00

abstract：:Benzene, a ubiquitous environmental pollutant, is known to cause leukemia and aplastic anemia in humans and hematotoxicity and myelotoxicity in rodents. Toxicity is thought to be exerted through oxidative metabolites formed in the liver, primarily via pathways mediated by cytochrome P450 2E1 (CYP2E1). Phenol, hydroqui...

journal_title：Carcinogenesis

authors： Lovern MR,Maris ME,Schlosser PM

更新日期：1999-08-01 00:00:00

abstract：:The metabolism of the carcinogenic pentacyclic azaaromatic compound, dibenz[a,j]acridine, has been examined in liver microsomal incubations using preparations from 3-methylcholanthrene-pretreated Wistar rats. Using authentic synthetic standards, u.v. spectroscopy and mass spectrometry, the following were proved to be ...

journal_title：Carcinogenesis

authors： Gill JH,Duke CC,Rosario CA,Ryan AJ,Holder GM

更新日期：1986-08-01 00:00:00

abstract：:The ability of cytosolic 3-methylcholanthrene binding proteins from rat liver to interact with DNA was studied using DNA-cellulose chromatography. Two DNA binding fractions, eluting in 0.15 M KCl (peak 1) and 0.33 M KCl (peak 2), were observed on salt elution from a denatured DNA-cellulose column which had been incuba...

journal_title：Carcinogenesis

authors： Weaver D,Amos A,Tierney B,Bresnick E

更新日期：1980-06-01 00:00:00

abstract：:The purpose of this work was to study the relative activities and stabilities of phase-I and phase-II drug metabolizing enzymes in incubation mixtures used in vitro genotoxicity testing in order to optimize the conditions of the assay, increase sensitivity and eliminate false negative results. Cytochrome P-450, NADPH-...

journal_title：Carcinogenesis

authors： Paolini M,Tonelli F,Bauer C,Corsi C,Bronzetti G

更新日期：1987-09-01 00:00:00

abstract：:Isolated trout liver cells were treated with lysolecithin to produce an in situ system for characterizing DNA repair in teleosts. In this preparation, the integrity of the plasma membrane is altered, nuclei remain intact, and the concentrations of dNTPs and nucleotide analogs, which normally do not penetrate intact pl...

journal_title：Carcinogenesis

authors： Miller MR,Blair JB,Hinton DE

更新日期：1989-06-01 00:00:00

abstract：:Checkpoint kinase (CHEK) 2, a tumor suppressor gene, plays an essential role in the DNA damage checkpoint response cascade. We first investigated two polymorphisms in the proximal promoter of the CHEK2 gene and evaluated their associations with the risk of lung cancer in a case-control study using 500 incident lung ca...

journal_title：Carcinogenesis

authors： Zhang S,Lu J,Zhao X,Wu W,Wang H,Lu J,Wu Q,Chen X,Fan W,Chen H,Wang F,Hu Z,Jin L,Wei Q,Shen H,Huang W,Lu D

更新日期：2010-07-01 00:00:00

abstract：:The DNA damaging and mutagenic activities of procarbazine, a methylating drug employed in cancer chemotherapy and suspected of causing therapy-related leukaemia, were investigated in the liver and bone marrow of lambda lacZ transgenic mice (MutaMouse). The drug was administered using two different protocols, a 'high-d...

journal_title：Carcinogenesis

authors： Pletsa V,Valavanis C,van Delft JH,Steenwinkel MJ,Kyrtopoulos SA

更新日期：1997-11-01 00:00:00

abstract：:Epidemiological studies have suggested that frequent olive oil consumption may be a protective factor against lung cancer formation. Squalene, a characteristic compound in olive oil, is an inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A reductase activity and has been proposed to inhibit the farnesylation of ras on...

journal_title：Carcinogenesis

authors： Smith TJ,Yang GY,Seril DN,Liao J,Kim S

更新日期：1998-04-01 00:00:00

abstract：:Previous studies have shown that 1- and 3-nitrobenzo[a]pyrene (NBaP) were mutagenic in the Salmonella reversion assay without exogenous activation and that 1-, 3- and 6-NBaP were mutagenic in the presence of hepatocytes or liver homogenate (S9). In the present study, 1-, 3- and 6-NBaP were tested for mutagenicity in C...

journal_title：Carcinogenesis

authors： Hass BS,Heflich RH,Schol HM,Chou MW,Fu PP,Casciano DA

更新日期：1986-04-01 00:00:00

abstract：:We employed cDNA microarray analysis to identify, in mammary adenocarcinomas induced by 7,12-dimethylbenz[a] anthracene (DMBA) in the rat, target genes as potential biomarkers for cancer chemoprevention by 1,4-phenylenebis(methylene)selenocyanate (p-XSC). Confirmation of selected genes was conducted by reverse transcr...

journal_title：Carcinogenesis

authors： El-Bayoumy K,Narayanan BA,Desai DH,Narayanan NK,Pittman B,Amin SG,Schwartz J,Nixon DW

更新日期：2003-09-01 00:00:00

abstract：:Environmental contributions to cancer development are widely accepted, but only a fraction of all pertinent exposures have probably been identified. Traditional toxicological approaches to the problem have largely focused on the effects of individual agents at singular endpoints. As such, they have incompletely addres...

journal_title：Carcinogenesis

authors： Robey RB,Weisz J,Kuemmerle NB,Salzberg AC,Berg A,Brown DG,Kubik L,Palorini R,Al-Mulla F,Al-Temaimi R,Colacci A,Mondello C,Raju J,Woodrick J,Scovassi AI,Singh N,Vaccari M,Roy R,Forte S,Memeo L,Salem HK,Amedei A,

更新日期：2015-06-01 00:00:00

abstract：:When hepatocytes isolated from mouse liver are cultivated in vitro, a small fraction of cells can survive, forming colonies, while most cells die within a few weeks. We compared the colony forming capacity of hepatocytes in three mouse strains; two strains susceptible for hepatocarcinogenesis, C3H/HeJ (C3) and DBA/2J ...

journal_title：Carcinogenesis

authors： Yoshie M,Nishimori H,Lee GH,Ogawa K

更新日期：1998-06-01 00:00:00

abstract：:Effect of nicotine on PDGF AA and PDGF BB interaction with cervical cancer SiHa cells was tested. [125I]PDGF AA was internalized by cells and accumulated in the cytoplasm and nucleus (chromatin). In the absence of nicotine, maximal accumulation of [125I]PDGF AA inside the cells occurred after 1 day of incubation, whic...

journal_title：Carcinogenesis

authors： Rakowicz-Szulczynska EM,McIntosh DG,Perry M,Smith ML

更新日期：1996-09-01 00:00:00

abstract：:Common polymorphisms in genes encoding phase I and phase II enzymes are considered to modify lung cancer risk due to changes in enzyme activity. Candidates include genetic variants of glutathione S-transferases (GSTM1, GSTT1 and GSTP1) and myeloperoxidase (MPO). We performed a large case-control study of these candida...

journal_title：Carcinogenesis

authors： Larsen JE,Colosimo ML,Yang IA,Bowman R,Zimmerman PV,Fong KM

更新日期：2006-03-01 00:00:00

abstract：:DNA polymerase beta (polbeta) is a major contributor to mammalian DNA damage repair through its gap-filling DNA synthesis and 5'-deoxyribose phosphate lyase activities. In this way, polbeta plays pivotal roles in the repair of oxidative DNA damage, replication, embryonic survival, neuronal development, meiosis, apopto...

journal_title：Carcinogenesis

authors： Wang L,Bhattacharyya N,Rabi T,Wang L,Banerjee S

更新日期：2007-06-01 00:00:00

abstract：:The effects of hyperoxia on lung tumor development were examined in mice and rats. In mice, exposure to 70% O2 prevented the development of urethan- or 3-methylcholanthrene-induced lung tumors. Dietary antioxidants [butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA)] were unable to prevent the inhibitio...

journal_title：Carcinogenesis

authors： Lindenschmidt RC,Margaretten N,Griesemer RA,Witschi HP

更新日期：1986-09-01 00:00:00

abstract：:Lung tumors were induced in A/J mice by the tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and the related compounds acetoxymethylmethylnitrosamine (AMMN) and 4-acetoxymethylnitrosamino)-1-(3-pyridyl)-1-butanone (NNKOAc). NNK both methylates and pyridyloxobutylates DNA while AMMN and...

journal_title：Carcinogenesis

authors： Ronai ZA,Gradia S,Peterson LA,Hecht SS

更新日期：1993-11-01 00:00:00

abstract：:In addition to genetic changes, epigenetic aberrations also play important roles in radiation- and chemical-induced disorders and carcinogenesis. The present study investigated whether epigenetic therapy with a histone deacetylase (HDAC) inhibitor has dual benefits for radiation-induced oral mucositis and chemical-ind...

journal_title：Carcinogenesis

authors： Chung YL,Lee MY,Pui NN

更新日期：2009-08-01 00:00:00

abstract：:The ability of three benzodiazepine tranquilizers, diazepam, oxazepam and chlordiazepoxide chlorhydrate to block metabolic cooperation between human hepatoma cells was analysed using autoradiographical monitoring. Independent tests were performed with compound concentrations varying from 1 to 50 micrograms/ml. The res...

journal_title：Carcinogenesis

authors： Rolin-Limbosch S,Moens W,Szpirer C

更新日期：1987-07-01 00:00:00