Dependence of u.v.-induced DNA excision repair on deoxyribonucleoside triphosphate concentrations in permeable human fibroblasts: a model for the inhibition of repair by hydroxyurea.

abstract：:2-Hexenal is an alpha,beta-unsaturated carbonyl compound which is mutagenic, genotoxic and forms cyclic 1,N2-propanodeoxyguanosine adducts like similar propenals for which carcinogenicity was shown, e.g. acrolein or crotonaldehyde. Since humans have a permanent intake of 2-hexenal via vegetarian food this genotoxic co...

journal_title：Carcinogenesis

authors： Schuler D,Eder E

更新日期：1999-07-01 00:00:00

abstract：:Recent studies indicate that cytochrome P450 (P450) 3A4 plays important roles in the activation of procarcinogens such as aflatoxin B1 and sterigmatocystin, as well as in the oxidation of a number of structurally diverse chemicals and endogenous compounds. Since P450 3A5 has been reported to be present at significant ...

journal_title：Carcinogenesis

authors： Yamazaki H,Inui Y,Wrighton SA,Guengerich FP,Shimada T

更新日期：1995-09-01 00:00:00

abstract：:The NIH3T3 cell line undergoes transformation when the cells are maintained at high densities for extended periods. In an effort to define the physiological status of the cells before and during the transformation process, they were seeded in medium containing 2, 5 or 10% calf serum (CS) and growth was monitored by me...

journal_title：Carcinogenesis

authors： Rubin AL,Ellison BJ

更新日期：1991-10-01 00:00:00

abstract：:Oltipraz (4-methyl-5-(2-pyrazinyl)-1,2-dithiole-3-thione) (OPZ) is recognized as a potent chemoprotective agent against chemical-induced carcinogenesis in several animal models and is thought to act mainly by inducing phase II conjugating together with inhibiting phase I detoxication enzymes. The present study was und...

journal_title：Carcinogenesis

authors： Antras-Ferry J,Mahéo K,Chevanne M,Dubos MP,Morel F,Guillouzo A,Cillard P,Cillard J

更新日期：1997-11-01 00:00:00

abstract：:An electron microscope study was carried out on changes in the pancreatic acinar tissues of male Syrian hamsters during the course of induction of pancreatic neoplasia by lifetime weekly injections of N-nitroso-bis(2-hydroxypropyl)amine (BHP). The dominant process observed was a loss of differentiation of the acinar c...

journal_title：Carcinogenesis

authors： Flaks B,Moore MA,Flaks A

更新日期：1982-01-01 00:00:00

abstract：:DNAs from fourteen fibrosarcomas induced by 3-methylcholanthrene (MCA) in BALB/c mice were analyzed for the presence of transforming oncogenes following transfection on NIH3T3 cells. Six transfection-positive DNAs contained an activated ras gene: four c-K-ras and two c-N-ras. These results demonstrate that c-K-ras is ...

journal_title：Carcinogenesis

authors： Borrello MG,Carbone G,Pierotti MA,Molla A,Della Porta G

更新日期：1988-08-01 00:00:00

abstract：:Inbred male Leeds rats were administered either the liver carcinogen N-nitrosopiperidine or the non-carcinogen 2,2',6,6'-tetramethyl-N-nitrosopiperidine in their drinking water at a concentration of 0.02%. Treatment was continued until the animals were killed, at 12 or 28 days, when their hepatic tissues were removed ...

journal_title：Carcinogenesis

authors： Flaks B,Challis BC

更新日期：1981-01-01 00:00:00

abstract：:Vinyl chloride (VC) is a carcinogen associated with human and animal cancers. The ultimate carcinogenic form of VC, 2-chloroacetaldehyde (CAA), has been suspected to be mutagenic and we confirmed the mutagenicity of CAA using a modified shuttle vector plasmid. Base sequence analyses of 109 mutant plasmids with mutatio...

journal_title：Carcinogenesis

authors： Matsuda T,Yagi T,Kawanishi M,Matsui S,Takebe H

更新日期：1995-10-01 00:00:00

abstract：:The transcription factor Sp1 has been implicated in cell-type-specific activation of transforming growth factor-beta (TGFbeta) target genes in normal epithelial cells as well as in aberrant gene activation by TGFbeta in epithelial tumor cells. Here, we have examined the interaction of Sp1 with components of the Smad s...

journal_title：Carcinogenesis

authors： Jungert K,Buck A,Buchholz M,Wagner M,Adler G,Gress TM,Ellenrieder V

更新日期：2006-12-01 00:00:00

abstract：:Food-derived aminoimidazoazarenes have been shown to be mutagenic and carcinogenic and to form covalent DNA adducts. 32P-Post-labelling analysis of DNA modified with these heterocyclic amines (HA), including 2-amino-3-methyl-imidazo[4,5-f]quinoline (IQ), 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), 2-amino-...

journal_title：Carcinogenesis

authors： Pfau W,Brockstedt U,Söhren KD,Marquardt H

更新日期：1994-05-01 00:00:00

abstract：:Spontaneous and hepatocarcinogen (2-nitropropane, 2-NP)-induced levels of 8-hydroxy-2'-deoxyguanosine (oh8dG) in the nuclear DNA of regenerating liver [24, 48, 72 h and 7 days after partial hepatectomy (PH)] of male Sprague-Dawley rats were analysed for the verification of a hypothesis that the high susceptibility of ...

journal_title：Carcinogenesis

authors： Adachi S,Kawamura K,Takemoto K

更新日期：1994-03-01 00:00:00

abstract：:The objectives of this study were to isolate several rat liver epithelial cell clones containing the human bcl-2 and myc/bcl-2 genes in order to study their potential cooperative effect on neoplastic transformation and gap junction-mediated intercellular communication (GJIC) and to test the hypothesis that the loss of...

journal_title：Carcinogenesis

authors： DeoCampo ND,Wilson MR,Trosko JE

更新日期：2000-08-01 00:00:00

abstract：:To determine whether B or T lymphoid malignancies could be induced following the exposure of lymphoid cells within different lymphoid organs to a potential chemical carcinogen, 3-methylcholanthrene (3-MC) was directly injected into surgically exposed Peyer's patches (PP), mesenteric lymph nodes (MLN), axillary lymph n...

journal_title：Carcinogenesis

authors： Bost KL,Garrett LR,Cuchens MA

更新日期：1986-08-01 00:00:00

abstract：:The possibility that alpha-tocopherol (vitamin E) inhibits the formation of nitrosomorpholine (NMOR) in vivo was investigated in mice orally pretreated with alpha-tocopherol (2.5-100 mg/kg body wt) once daily for 6 days. Twenty-four hours later, the animals were injected i.p. with 2 mg of morpholine (MOR) per animal f...

journal_title：Carcinogenesis

authors： Norkus EP,Kuenzig WA,Chau J,Mergens WJ,Conney AH

更新日期：1986-03-01 00:00:00

abstract：:Precursor T-cell lymphoblastic neoplasms are aggressive malignancies in need for more effective and specific therapeutic treatments. A significant fraction of these neoplasms harbor deletions on the locus 9p21, targeting the tumor suppressor CDKN2A but also deleting the aconitase 1 (ACO1) gene, a neighboring housekeep...

journal_title：Carcinogenesis

authors： Gonzalez-Sanchez L,Cobos-Fernandez MA,Lopez-Nieva P,Villa-Morales M,Stamatakis K,Cuezva JM,Marin-Rubio JL,Vazquez-Dominguez I,Gonzalez-Vasconcellos I,Salido E,Llamas P,Lopez-Lorenzo JL,Santos J,Fernandez-Piqueras J

更新日期：2020-08-12 00:00:00

abstract：:Long non-coding RNAs (lncRNAs) are regarded as important functional regulators of various biological processes and are also known to be involved in the occurrence and development of human cancers, including breast cancer (BC). In our present study, the RNA expression profiling data for a large cohort of human BC sampl...

journal_title：Carcinogenesis

authors： Fang K,Hu C,Zhang X,Hou Y,Gao D,Guo Z,Li L

更新日期：2020-09-24 00:00:00

abstract：:The effects of consumption of glucosinolate-containing Brussels sprouts on plasma and urinary glutathione S-transferase (GST) class-alpha and -pi were investigated. Five male and five female non-smoking volunteers were randomly assigned to two groups in a crossover design. Five persons started on a glucosinolate-free ...

journal_title：Carcinogenesis

authors： Nijhoff WA,Mulder TP,Verhagen H,van Poppel G,Peters WH

更新日期：1995-04-01 00:00:00

abstract：:The risk of squamous cell cancers of the oral cavity (OSCC) is strongly related to the use of tobacco and alcohol. N-Acetyl transferases 1 and 2 (NAT2) metabolize aryl- and heterocyclic amines that are present in tobacco smoke. NAT2 slow acetylator phenotype or genotype is related to reduced ability to detoxify these ...

journal_title：Carcinogenesis

authors： Chen C,Ricks S,Doody DR,Fitzgibbons ED,Porter PL,Schwartz SM

更新日期：2001-12-01 00:00:00

abstract：:Copenhagen (Cop) rats are completely resistant to the chemical induction of mammary adenocarcinomas, but their susceptibility to hepatocarcinogenesis is virtually unknown. Rat liver is a well-characterized and easily manipulated tissue in which to study carcinogenesis. Therefore, if Cop rats are resistant to hepatocar...

journal_title：Carcinogenesis

authors： Wood GA,Korkola JE,Lee VM,Sarma DS,Archer MC

更新日期：1997-09-01 00:00:00

abstract：:Cyclic 1,N2-propanodeoxyguanosine adducts are formed in vitro in DNA treated with alpha-acetoxy-N-nitrosopyrrolidine or its metabolite, crotonaldehyde. However, the in vivo formation of these cyclic adducts in DNA has not been demonstrated due to the lack of a sensitive detection method. In this study, a 32P-postlabel...

journal_title：Carcinogenesis

authors： Chung FL,Young R,Hecht SS

更新日期：1989-07-01 00:00:00

abstract：:The carcinogen N-acetoxy-N-2-acetylaminofluorene reacts with dG and dG-containing nucleotides to give good yields of the C-8 adducts, but the analogous 4-aminobiphenyl derivative does not. Replacement of the N-acetoxy group by 2,6-dichlorobenzoyloxy circumvents this difficulty. This reaction is shown to be generally a...

journal_title：Carcinogenesis

authors： Underwood GR,Price MF,Shapiro R

更新日期：1988-10-01 00:00:00

abstract：:A dose-dependent and transiently elevated expression of a cytoplasmic 32 kDa protein was observed in Swiss albino 3T3 fibroblasts exposed to mainstream cigarette smoke (CS) trapped in phosphate-buffered saline solutions (smoke-bubbled PBS). The protein was identified as heme oxygenase (HO) (heme, hydrogen donor:oxygen...

journal_title：Carcinogenesis

authors： Müller T,Gebel S

更新日期：1994-01-01 00:00:00

abstract：:An in vivo method for assessment of DNA adduct formation and unscheduled DNA synthesis (UDS) in the esophagus of rats was devised. Small ventral incisions were made in the neck and upper abdomen regions of 6 week old F344 rats and ligation of the esophagus with thread at the two extreme ends performed to make an esoph...

journal_title：Carcinogenesis

authors： Qin XS,Nakatsuru Y,Kohyama K,Ishikawa T

更新日期：1990-02-01 00:00:00

abstract：:This study presents the physical characterization of mutants induced in mammalian cells by high linear energy transfer alpha-particle radiation that simulates exposure to radon daughters. Alpha-Particles from accelerated 4He at 150 keV/microns were used to induce 20 Chinese hamster ovary mutants that are deficient in ...

journal_title：Carcinogenesis

authors： Jin Y,Yie TA,Carothers AM

更新日期：1995-08-01 00:00:00

abstract：:Ulcerative colitis is a dynamic, chronic inflammatory condition of the colon associated with an increased colon cancer risk. Ginkgo biloba is a putative antioxidant and has been used for thousands of years to treat a variety of ailments. The aim of this study was to test whether the standardized G.biloba extract, EGb ...

journal_title：Carcinogenesis

authors： Kotakadi VS,Jin Y,Hofseth AB,Ying L,Cui X,Volate S,Chumanevich A,Wood PA,Price RL,McNeal A,Singh UP,Singh NP,Nagarkatti M,Nagarkatti PS,Matesic LE,Auclair K,Wargovich MJ,Hofseth LJ

更新日期：2008-09-01 00:00:00

abstract：:Serum-free cultures of normal human buccal epithelial cells were transfected with a plasmid containing the SV40 T-antigen (SV40T) gene. Two major lines developed that showed extended lifespans (between 30 and 40 weeks) as compared with the controls (approximately 6 weeks). Continued growth through one or two crises ge...

journal_title：Carcinogenesis

authors： Kulkarni PS,Sundqvist K,Betsholtz C,Höglund P,Wiman KG,Zhivotovsky B,Bertolero F,Liu Y,Grafström RC

更新日期：1995-10-01 00:00:00

abstract：:We have investigated the activity of insoluble and soluble lead compounds in inducing mutagenesis, cell transformation and sister chromatid exchange in mammalian cells. Insoluble lead sulfide, readily phagocytized, was more than four times as toxic to V79 cells on a microM basis, than two moderately soluble lead compo...

journal_title：Carcinogenesis

authors： Zelikoff JT,Li JH,Hartwig A,Wang XW,Costa M,Rossman TG

更新日期：1988-10-01 00:00:00

abstract：:Phenobarbital and clofibrate, two non-genotoxic carcinogens, have been investigated regarding the relationship between reactive oxygen species, antioxidant enzyme expression and apoptosis in primary cultures of rat hepatocytes. Low toxicity concentrations, 200 and 100 microg/ml for phenobarbital and clofibrate respect...

journal_title：Carcinogenesis

authors： Díez-Fernández C,Sanz N,Alvarez AM,Wolf A,Cascales M

更新日期：1998-10-01 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：:Deregulated microRNAs (miRNAs) and their roles in cancer development have attracted much attention. Two miRNAs, miR-15a and miR-16, which act as putative tumor suppressor by targeting the oncogene BCL2, have been implicated in cell cycle, apoptosis and proliferation. In this study, we investigated the possible role ...

journal_title：Carcinogenesis

authors： Sun CY,She XM,Qin Y,Chu ZB,Chen L,Ai LS,Zhang L,Hu Y

更新日期：2013-02-01 00:00:00