Selective in vivo inhibition of rat mammary 7,12-dimethylbenz[a]anthracene-DNA adduct formation by dietary butylated hydroxytoluene.

abstract：:Mutagenicity assays were carried out in the Salmonella/microsome test, using five S. typhimurium his(-) strains (TA1535, TA1537, TA1538, TA98 and TA100), both in the presence and absence of post-mitochondrial preparations from Aroclor-induced rat livers and suitable co-factors. Seven oil dispersants showed a wide rang...

journal_title：Carcinogenesis

authors： Petrilli FL,De Renzi GP,De Flora S

更新日期：1980-01-01 00:00:00

abstract：:Exposure to diesel exhaust (DE) is known to cause lung tumors in rats. To clarify the mutagenicity of DE, we estimated mutant frequency (MF) and determined the mutation spectra in rat lung after exposure to DE using lambda/lacI transgenic rats (Big Blue system). Male Big Blue rats (6 weeks old) were exposed for 4 week...

journal_title：Carcinogenesis

authors： Sato H,Sone H,Sagai M,Suzuki KT,Aoki Y

更新日期：2000-04-01 00:00:00

abstract：:Sixty-three male cigarette smokers were entered into a cross-sectional study to determine whether inverse associations existed between polycyclic aromatic hydrocarbon (PAH)-DNA adduct levels and intake/serum levels of vitamin A, vitamin C and vitamin E. Associations between PAH-DNA adducts and intakes of carotene, as ...

journal_title：Carcinogenesis

authors： Grinberg-Funes RA,Singh VN,Perera FP,Bell DA,Young TL,Dickey C,Wang LW,Santella RM

更新日期：1994-11-01 00:00:00

abstract：:The carcinogenicities of 1-nitropyrene (1-NP), 4-nitropyrene (4-NP), 1,3-dinitropyrene (1,3-DNP), 1,6-dinitropyrene (1,6-DNP), 1,8-dinitropyrene (1,8-DNP), 3-hydroxy-1-nitropyrene (3-OH-1-NP) and a mixture of 6- and 8-hydroxy-1-nitropyrene (6/8-OH-1-NP) were investigated in newborn female rats. Newborn female CD rats ...

journal_title：Carcinogenesis

authors： Imaida K,Lee MS,Land SJ,Wang CY,King CM

更新日期：1995-12-01 00:00:00

abstract：:The three-dimensional structure of the product of the reaction of a diol epoxide of the carcinogen 5-methylchrysene with methanol has been determined by an X-ray diffraction analysis. The diol epoxide used to obtain this compound contains a stereochemically hindered bay region because of the location of the 5-methyl g...

journal_title：Carcinogenesis

authors： Afshar CE,Carrell CJ,Carrell HL,Harvey RG,Kiselyov AS,Amin S,Glusker JP

更新日期：1996-11-01 00:00:00

abstract：:A large number of chemical carcinogens require metabolic activation before they are biologically active. The metabolism of a few of these compounds has been investigated in cultured human tissues and cells and the metabolism has been compared with the metabolism in organs from experimental animals in which the compoun...

journal_title：Carcinogenesis

authors： Autrup H

更新日期：1990-05-01 00:00:00

abstract：:Semi-permeable magnetic polyethyleneimine (PEI) microcapsules have been developed to trap carcinogens and their metabolites in vivo and their time-dependent binding of a model carcinogen, [14C]benzo[a]pyrene [( 14C]BaP), is studied within the intestinal lumen. Overall, approximately 0.5% of an intragastric BaP dose wa...

journal_title：Carcinogenesis

authors： Povey AC,Brouet I,Bartsch H,O'Neill IK

更新日期：1987-06-01 00:00:00

abstract：:4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL), a major metabolite of the tobacco-specific pulmonary carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), has a chiral center but the tumorigenicity of the NNAL enantiomers has not been previously examined. In this study, we assessed the relative tumori...

journal_title：Carcinogenesis

authors： Upadhyaya P,Kenney PM,Hochalter JB,Wang M,Hecht SS

更新日期：1999-08-01 00:00:00

abstract：:Monoterpenes have been shown to both prevent and treat mammary cancer in animal models and are currently in clinical testing in advanced cancer patients. In this study, we investigated a biochemical modulation associated with the antitumor activity of monoterpenes, the inhibition of protein isoprenylation in monoterpe...

journal_title：Carcinogenesis

authors： Ren Z,Gould MN

更新日期：1998-05-01 00:00:00

abstract：:Proliferation, apoptosis and angiogenesis are critical biologic processes altered during carcinogenesis. Surrogate biomarkers of these processes represent potential intermediate endpoints for short-term intervention studies with preventive and therapeutic agents. We examined the interrelationships among these processe...

journal_title：Carcinogenesis

authors： Liao Z,Boileau TW,Erdman JW Jr,Clinton SK

更新日期：2002-10-01 00:00:00

abstract：:The Bowman-Birk protease inhibitor (BBI) is a legume-derived inhibitor of chymotrypsin and trypsin that has been shown to suppress cellular transformation and tumorigenesis. In the present investigation the effects of various BBI administration schedules were evaluated for suppression of 3-methylcholanthrene (3-MCA)-i...

journal_title：Carcinogenesis

authors： St Clair WH

更新日期：1991-05-01 00:00:00

abstract：:Promotion of 'initiated' JB6 epidermal cells to the tumor phenotype can be effected by 12-O-tetradecanoylphorbol-13-acetate treatment, by stimulation of epidermal growth factor (EGF) receptor activity with EGF or transforming growth factor alpha and by exposure to the isoquinoline derivative H7. When these cells were ...

journal_title：Carcinogenesis

authors： Harbers M,Borowski P,Fanick W,Lengyel H,Buck F,Hinsch KD,Hilz H

更新日期：1992-12-01 00:00:00

abstract：:In this communication, we investigate the preventive effect of a flavonoid antioxidant, silymarin, on free radical-generating skin tumor promoting agent benzoyl peroxide (BPO)-induced tumor promotion, oxidative stress and inflammatory responses in SENCAR mouse skin. Topical application of silymarin at a dose of 6 mg p...

journal_title：Carcinogenesis

authors： Zhao J,Lahiri-Chatterjee M,Sharma Y,Agarwal R

更新日期：2000-04-01 00:00:00

abstract：:The metabolism of [1,3-14C]benzo[f]quinoline (BfQ) by liver microsomes from control, 3-methylcholanthrene (3-MC)-pretreated and phenobarbital (PB)-pretreated rats has been investigated in order to gain insights into the effect of mixed function oxidase inducers on the types and levels of specific metabolites as formed...

journal_title：Carcinogenesis

authors： Kandaswami C,Kumar S,Dubey SK,Sikka HC

更新日期：1987-12-01 00:00:00

abstract：:Benzidine diimine (BZDI), a reactive intermediate in the metabolic peroxidation of the carcinogen benzidine, has been reported to bind covalently to cellular proteins and nucleic acids. We have examined the nature of this interaction with DNA and have identified a major carcinogen-nucleoside adduct. BZDI (20-50 microM...

journal_title：Carcinogenesis

authors： Yamazoe Y,Roth RW,Kadlubar FF

更新日期：1986-01-01 00:00:00

abstract：:The aim of the present study was to investigate the impact of four different lactobacillus (LB) strains, namely Lactobacillus bulgaricus 291, Streptococcus thermophilus F4, S.thermophilus V3 and Bifidobacterium longum BB536, which are used for the production of yogurt, on the DNA-damaging effects of heterocyclic aroma...

journal_title：Carcinogenesis

authors： Zsivkovits M,Fekadu K,Sontag G,Nabinger U,Huber WW,Kundi M,Chakraborty A,Foissy H,Knasmüller S

更新日期：2003-12-01 00:00:00

abstract：:Alcohol is a major risk factor for oesophageal squamous cell carcinoma (OSCC), the most prevalent histological subtype of oesophageal cancer (OC) worldwide. The metabolism of alcohol is regulated by specific enzymes whose activity and expression is influenced by genetic polymorphisms. We conducted a systematic review ...

journal_title：Carcinogenesis

authors： Matejcic M,Gunter MJ,Ferrari P

更新日期：2017-09-01 00:00:00

abstract：:Arsenic is a human carcinogen whose mechanism of action is unknown. Previously, this laboratory demonstrated that arsenite acts as a comutagen by interfering with DNA repair, although a specific DNA repair enzyme sensitive to arsenite has not been identified. A number of stable arsenite-sensitive and arsenite-resistan...

journal_title：Carcinogenesis

authors： Rossman TG,Wang Z

更新日期：1999-02-01 00:00:00

abstract：:Tumor induction with chronic feeding of methyl-donor-deficient diets has been well established; however, the biochemical and molecular mechanisms which predipose to tumorigenesis in this model are still not well understood. The purpose of the present investigation was to assess DNA damage and altered nucleotide metabo...

journal_title：Carcinogenesis

authors： James SJ,Yin L

更新日期：1989-07-01 00:00:00

abstract：:The broccoli constituent sulforaphane (1-isothiocyanate-4-methylsulfinylbutane) has previously been shown to protect rats against 9,10-dimethyl-1,2-benz[a]anthracene tumorigenesis, thought to be due, at least in part, to induction of phase II detoxification. We investigated the ability of sulforaphane to also inhibit ...

journal_title：Carcinogenesis

authors： Barcelo S,Gardiner JM,Gescher A,Chipman JK

更新日期：1996-02-01 00:00:00

abstract：:The role of aflatoxin B1 (AFB1) in the induction of rearrangements affecting minisatellite sequences was studied in an in vitro yeast model. The Saccharomyces cerevisiae strain used expresses human cytochrome P450 1A2 and NADPH-cytochrome P450 oxidoreductase and has previously been used to study genetic recombination ...

journal_title：Carcinogenesis

authors： Kaplanski C,Wild CP,Sengstag C

更新日期：1998-09-01 00:00:00

abstract：:Amino acids (AAs) are biologically important nutrient compounds necessary for the survival of any cell. Of the 20 AAs, cancer cells depend on the uptake of several extracellular AAs for survival. However, which extracellular AA is indispensable for the survival of cancer cells and the molecular mechanism involved have...

journal_title：Carcinogenesis

authors： Furusawa A,Miyamoto M,Takano M,Tsuda H,Song YS,Aoki D,Miyasaka N,Inazawa J,Inoue J

更新日期：2018-05-28 00:00:00

abstract：:The present study was conducted to clarify the cooperative significance of epigenomic and genomic abnormalities during gastric carcinogenesis. Using 21 samples of normal control gastric mucosa (C), 109 samples of non-cancerous gastric mucosa (N) and 105 samples of cancerous tissue (T) from 109 patients with primary ga...

journal_title：Carcinogenesis

authors： Yang M,Arai E,Takahashi Y,Totsuka H,Chiku S,Taniguchi H,Katai H,Sakamoto H,Yoshida T,Kanai Y

更新日期：2020-11-13 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：:Arsenite is well established as a human carcinogen, but the molecular mechanisms leading to arsenite-induced carcinogenesis are complex and elusive. Accelerated glycolysis, a common process in tumor cells called the Warburg effect, is associated with various biological phenomena. However, the role of glycolysis induce...

journal_title：Carcinogenesis

authors： Luo F,Zou Z,Liu X,Ling M,Wang Q,Wang Q,Lu L,Shi L,Liu Y,Liu Q,Zhang A

更新日期：2017-06-01 00:00:00

abstract：:Previous studies have shown that polycyclic aromatic hydrocarbons (PAHs) mobilize intracellular Ca2+ in human T cells by inositol trisphosphate-dependent mechanisms resulting from activation of phospholipase C-gamma by SRC-related protein tyrosine kinases, thereby mimicking antigen-receptor activation. Ca2+ appears to...

journal_title：Carcinogenesis

authors： Tannheimer SL,Barton SL,Ethier SP,Burchiel SW

更新日期：1997-06-01 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：:The breast cancer gene BRCA1 has previously been cloned from both human and mouse. We cloned a fragment of the rat Brca1 homologue in order to map it and explore its biological function. Partial cDNA fragments of the rat Brca1 homologue were isolated by RT-PCR. Sequence analysis revealed that the RING-finger domain is...

journal_title：Carcinogenesis

authors： Chen KS,Shepel LA,Haag JD,Heil GM,Gould MN

更新日期：1996-08-01 00:00:00

abstract：:Continuous dietary administration of the hepatocarcinogen 2-acetylaminofluorene (AAF) to rats produces a gradual increase in hepatic DNA adducts until a plateau is reached after approximately 2 weeks. The rate of DNA adduct formation remains constant through 1 month of AAF feeding, while adduct removal profiles are bi...

journal_title：Carcinogenesis

authors： Poirier MC,Fullerton NF,Patterson ED,Beland FA

更新日期：1990-08-01 00:00:00

abstract：:Resveratrol is a naturally occurring trihydroxyl-diphenylethylene compound that has been shown experimentally to have beneficial effects in the treatment of cancer and cardiovascular disease. Resveratrol induces programmed cell death (apoptosis) in these cells and activates important signal transducing proteins includ...

journal_title：Carcinogenesis

authors： Lin C,Crawford DR,Lin S,Hwang J,Sebuyira A,Meng R,Westfall JE,Tang HY,Lin S,Yu PY,Davis PJ,Lin HY

更新日期：2011-01-01 00:00:00