Cyclooxygenase-2, malondialdehyde and pyrimidopurinone adducts of deoxyguanosine in human colon cells.

abstract：:Transforming growth factors alpha and beta (TGF-alpha and TGF-beta) isolated from normal mouse kidney induced gross morphological changes in rat urothelial cells maintained in organ culture. These morphological effects are similar to those observed after long-term treatment of rat bladder organ cultures with the carci...

journal_title：Carcinogenesis

authors： Knowles MA,Hicks RM,Dave H,Harvey AE,Roberts AB,Sporn MB

更新日期：1985-04-01 00:00:00

abstract：:SH3RF (SH3-domain-containing RING finger protein) family members, SH3RF1-3, are multidomain scaffold proteins involved in promoting cell survival and apoptosis. In this report, we show that SH3RF2 is an oncogene product that is overexpressed in human cancers and regulates p21-activated kinase 4 (PAK4) protein stabilit...

journal_title：Carcinogenesis

authors： Kim TW,Kang YK,Park ZY,Kim YH,Hong SW,Oh SJ,Sohn HA,Yang SJ,Jang YJ,Lee DC,Kim SY,Yoo HS,Kim E,Yeom YI,Park KC

更新日期：2014-03-01 00:00:00

abstract：:Alkylation of DNA and hemoglobin was compared in male F344 rats given a single s.c. injection of the tobacco-specific nitrosamine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), or its major metabolite formed by carbonyl reduction, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL). In hepatic DNA, levels of 7...

journal_title：Carcinogenesis

authors： Hecht SS,Trushin N

更新日期：1988-09-01 00:00:00

abstract：:Despite their individual key roles in promoting head and neck squamous cell carcinoma (HNSCC) progression and treatment resistance, little is known about the impact of intratumoral hypoxia on the activity of the epidermal growth factor receptor (EGFR) signaling pathway in this cancer type. Here, we show that in highly...

journal_title：Carcinogenesis

authors： Wang X,Schneider A

更新日期：2010-07-01 00:00:00

abstract：:2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) is a mammary gland carcinogen present in the human diet. Herein, the expression of estrogen receptor alpha (ERalpha), estrogen receptor beta (ER beta) and progesterone receptor (PR) was examined in mammary gland carcinomas induced by PhIP in female Sprague-Dawley ...

journal_title：Carcinogenesis

authors： Qiu C,Shan L,Yu M,Snyderwine EG

更新日期：2005-04-01 00:00:00

abstract：:Prior work has demonstrated that food restriction of mice markedly suppresses 12-O-tetradecanoylphorbol-13-acetate (TPA) promotion of skin papillomas and adrenalectomy prior to initiating food restriction completely reverses the tumor inhibitory effect of underfeeding. In the present experiment the effect of food rest...

journal_title：Carcinogenesis

authors： Pashko LL,Schwartz AG

更新日期：1996-02-01 00:00:00

abstract：:Mutations in codon 61 of the Ha-ras proto-oncogene have been shown to occur with a high frequency in both spontaneous and carcinogen-induced liver tumours of the B6C3F1 mouse. In the present study we analysed the frequency and pattern of Ha-ras mutations in liver tumours in a different strain of mice, namely the CF1 m...

journal_title：Carcinogenesis

authors： Bauer-Hofmann R,Buchmann A,Wright AS,Schwarz M

更新日期：1990-10-01 00:00:00

abstract：:Besides polycyclic aromatic hydrocarbons (PAH) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), which are established lung carcinogens, tobacco smoke also contains relatively large quantities of volatile organic carcinogens and toxicants, including 1,3-butadiene, ethylene oxide, benzene, acrolein and crotonal...

journal_title：Carcinogenesis

authors： Yuan JM,Gao YT,Wang R,Chen M,Carmella SG,Hecht SS

更新日期：2012-04-01 00:00:00

abstract：:Absorption, metabolism and DNA binding of 2-nitrofluorene (NF) was studied in isolated, perfused and ventilated rat lungs and in lung microsomal incubations. Comparisons were made between control animals and animals treated with beta-naphthoflavone (BNF), a 2,3,7,8-tetrachlorodibenzo(rho)dioxin (TCDD) receptor ligand ...

journal_title：Carcinogenesis

authors： Törnquist S,Möller L,Gabrielsson J,Gustafsson JA,Toftgård R

更新日期：1990-08-01 00:00:00

abstract：:Adduct formation has been considered to be a major causal factor of DNA damage by carcinogenic heterocyclic amines. By means of experiments with an electrochemical detector coupled to a high-performance liquid chromatograph, we revealed that N-hydroxy metabolite of 2-amino-1-methyl-6-phenylimidazo [4,5-b] pyridine (Ph...

journal_title：Carcinogenesis

authors： Murata M,Kawanishi S

更新日期：2002-05-01 00:00:00

abstract：:The administration of 4-hydroxybutyl(butyl)nitrosamine (OH-BBN) to male B6D2F1 mice yielded a high incidence of large palpable urinary bladder cancers. Since prior studies demonstrated chemopreventive effects of non-steroidal anti-inflammatory drugs (NSAIDs), we further explored the efficacy of the NSAID indomethacin ...

journal_title：Carcinogenesis

authors： Lubet RA,Huebner K,Fong LY,Altieri DC,Steele VE,Kopelovich L,Kavanaugh C,Juliana MM,Soong SJ,Grubbs CJ

更新日期：2005-03-01 00:00:00

abstract：:Cultured human epidermal cells which require no feeder layer were used to study metabolism of benzo[a]pyrene (BP) and DNA adduct formation. The cultures were prepared from a single cell suspension and maintained at a pH of 5.9--6.2. At 2 microM BP some cell toxicity was observed, and substantial cell death occurred at...

journal_title：Carcinogenesis

authors： Theall G,Eisinger M,Grunberger D

更新日期：1981-01-01 00:00:00

abstract：:Both Snell dwarf mice (dw/dw) and their phenotypically normal heterozygotes (dw/+) were dosed with methylclofenapate (MCP) at daily intervals by gavage (25 mg/kg). Animals were killed at 12, 24, 36 and 72 h after the initial dose and the parameters of ploidy, nuclearity and DNA synthesis were measured in hepatocytes i...

journal_title：Carcinogenesis

authors： Styles JA,Kelly MD,Pritchard NR,Foster JR

更新日期：1990-03-01 00:00:00

abstract：:Although Epstein-Barr virus (EBV) infection is widely distributed, certain EBV-driven malignancies are geographically restricted. EBV-associated Burkitt's lymphoma (eBL) is endemic in children living in sub-Saharan Africa. This population is heavily exposed to food contaminated with the mycotoxin aflatoxin B1 (AFB1). ...

journal_title：Carcinogenesis

authors： Accardi R,Gruffat H,Sirand C,Fusil F,Gheit T,Hernandez-Vargas H,Le Calvez-Kelm F,Traverse-Glehen A,Cosset FL,Manet E,Wild CP,Tommasino M

更新日期：2015-11-01 00:00:00

abstract：:A defect in DNA repair coupled to anomalous DNA synthesis after induction of certain radiogenic DNA damage is suspected to underlie the radiosensitivity of cells from patients with ataxia-telangiectasia (A-T). The response of cultured skin fibroblasts from A-T patients and A-T heterozygotes to six agents inducing vari...

journal_title：Carcinogenesis

authors： Shiloh Y,Tabor E,Becker Y

更新日期：1983-10-01 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：:Adult rat hepatocytes in primary culture were used to study the effect of tryptophan pyrolysis products on the transcriptional process. Hepatocytes were treated with 1, 5 and 10 micrograms/ml of 3-amino-1,4-dimethyl-5H-pyrido-[4,3-b]-indole (Trp-P-1) or 3-amino-1-methyl-5H-pyrido-[4,3-b]-indole (Trp-P-2) for 2 and 4 h...

journal_title：Carcinogenesis

authors： Thybaud-Lambay V,Decloitre F,Moulé Y,Florentin Y

更新日期：1983-01-01 00:00:00

abstract：:Currently there is no well-defined biological parameter or marker to help define agents, doses, and dose schedules for human cancer chemoprevention trials. Induction of ornithine decarboxylase, the rate limiting enzyme in the polyamine biosynthetic pathway, has been shown to be an essential aspect of mouse skin tumor ...

journal_title：Carcinogenesis

authors： Loprinzi CL,Verma AK

更新日期：1985-11-01 00:00:00

abstract：:2-methoxyestradiol (2-MeOE(2)) is an endogenous metabolite of 17beta-estradiol and a proposed inhibitor of tumor growth and angiogenesis. However, 2-MeOE(2) is also an inhibitor of microtubule assembly and other microtubule inhibitors, e.g. colcemid and diethylstilbestrol, induce aneuploidy and cell transformation in ...

journal_title：Carcinogenesis

authors： Tsutsui T,Tamura Y,Hagiwara M,Miyachi T,Hikiba H,Kubo C,Barrett JC

更新日期：2000-04-01 00:00:00

abstract：:It is now widely accepted that cancer is attributed to the accumulation of genetic alterations in cells. Thus, to understand the molecular mechanisms of cancer metastasis, it is indispensable to identify the genes whose alterations accumulate during cancer progression as well as the genes whose expression is responsib...

journal_title：Carcinogenesis

authors： Yokota J

更新日期：2000-03-01 00:00:00

abstract：:It has previously been proposed that redox cycling between catechol estrogens and their quinones, mediated by cytochrome P450, could lead to the generation of free radicals that would subsequently cause oxidative damage to DNA and proteins that might have a role in hormonal carcinogenesis. Alternative, non-enzymatic m...

journal_title：Carcinogenesis

authors： Li Y,Trush MA,Yager JD

更新日期：1994-07-01 00:00:00

abstract：:p53 is a tumor suppressor that responds to a variety of stresses such as oncogenes and DNA damage by activating its transcriptional targets to allow repair or elimination of damaged cells. In the absence of stress signals, p53 needs to be kept in check and this is achieved by the E3 ligase MDM2. For tumors that retain...

journal_title：Carcinogenesis

authors： Roxburgh P,Hock AK,Dickens MP,Mezna M,Fischer PM,Vousden KH

更新日期：2012-04-01 00:00:00

abstract：:Common genetic variation may play an important role in altering lung cancer risk. We conducted a pathway-based candidate gene evaluation to identify genetic variations that may be associated with lung cancer in a population-based case-control study in Xuan Wei, China (122 cases and 111 controls). A total of 1260 singl...

journal_title：Carcinogenesis

authors： Hosgood HD 3rd,Menashe I,Shen M,Yeager M,Yuenger J,Rajaraman P,He X,Chatterjee N,Caporaso NE,Zhu Y,Chanock SJ,Zheng T,Lan Q

更新日期：2008-10-01 00:00:00

abstract：:Human fibroblasts repair DNA damaged by bleomycin through both short-patch and long-patch pathways, mediated by an aphidicolin-resistant (beta) and aphidicolin-sensitive (delta) DNA polymerase respectively (DiGiuseppe, J.A. and Dresler, S.L. (1989) Biochemistry, 28, 9515-9520). Despite certain similarities, aphidicoli...

journal_title：Carcinogenesis

authors： DiGiuseppe JA,Hunting DJ,Dresler SL

更新日期：1990-06-01 00:00:00

abstract：:Peroxisome proliferator activated receptor(alpha) (PPARalpha) mediates the liver's responses to peroxisome proliferator compounds. These responses include induction of specific hepatic enzymes, peroxisome proliferation and hepatocyte proliferation. PPARalpha null mice, which lack receptor in all cells of the body, do ...

journal_title：Carcinogenesis

authors： Weglarz TC,Sandgren EP

更新日期：2004-01-01 00:00:00

abstract：:Specific methylated derivatives of anthracene are mutagenic in S. typhimurium and have tumor-initiating activity on mouse skin. In this study, the mutagenic activities of 1-, 2-, and 9-methylanthracene, 2,9- and 9,10-dimethylanthracene, 2,9,-10-trimethylanthracene, 2,3,9,10-tetramethylanthracene, and the photo-oxide o...

journal_title：Carcinogenesis

authors： La Voie EJ,Coleman DT,Rice JE,Geddie NG,Hoffmann D

更新日期：1985-10-01 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：:As renal cell carcinomas are characterized by the disappearance of the transcription factor LFB1, which is known to be primarily involved in gene regulation in the liver, we have measured the presence of LFB1 in rat hepatocellular carcinomas induced by diethylnitrosamine. The level of LFB1 binding activity in adenoid-...

journal_title：Carcinogenesis

authors： Stumpf H,Senkel S,Rabes HM,Ryffel GU

更新日期：1995-01-01 00:00:00

abstract：:One hundred forty-seven female Sprague-Dawley rats were divided into 5 groups and at 60 days of age were treated i.g. with 5 mg of 7,12-dimethylbenzanthracene (DMBA) suspended in 1.0 ml of sesame oil. Selenium (Se), as selenium dioxide (SeO2), was administered in the drinking water to 4 of the 5 groups (30 rats/group)...

journal_title：Carcinogenesis

authors： Welsch CW,Goodrich-Smith M,Brown CK,Greene HD,Hamel EJ

更新日期：1981-01-01 00:00:00

abstract：:An important difference between chemical agents that induce oxidative damage in DNA and ionizing radiation is that radiation-induced damage is clustered locally on the DNA. Both modelling and experimental studies have predicted the importance of clustering of lesions induced by ionizing radiation and its dependence on...

journal_title：Carcinogenesis

authors： Prise KM,Pullar CH,Michael BD

更新日期：1999-05-01 00:00:00