Contribution of the orphan nuclear receptor Nur77 to the apoptotic action of IGFBP-3.

abstract：:Apigenin is a plant flavonoid which has been shown to significantly inhibit UV-induced mouse skin tumorigenesis when applied topically, and may represent an alternative sunscreen agent in humans. We have investigated the molecular mechanism(s) by which apigenin inhibits skin tumorigenesis. Initial studies examined the...

journal_title：Carcinogenesis

authors： Lepley DM,Li B,Birt DF,Pelling JC

更新日期：1996-11-01 00:00:00

abstract：:Oreochromis mossambicus, commonly known as tilapia, is a freshwater teleost with a wide tolerance to environmental conditions. Multiple focal lesions in the liver were observed 2 months after cessation of a one-month long treatment with 100 p.p.m. diethylnitrosamine. Cells were small and compact and arranged in sheets...

journal_title：Carcinogenesis

authors： Ding JL,Hee PL,Lam TJ

更新日期：1989-03-01 00:00:00

abstract：:We have tested the hypothesis that the inhibition by hydroxyurea of repair patch ligation and chromatin rearrangement during u.v.-induced DNA excision repair results from a reduction in cellular deoxyribonucleotide concentrations and not from a direct effect of hydroxyurea on the repair process. Using permeable human ...

journal_title：Carcinogenesis

authors： Hunting DJ,Dresler SL

更新日期：1985-10-01 00:00:00

abstract：:The physiological state of pregnancy confers significant resistance to polycyclic aromatic hydrocarbon (PAH)-induced mammary tumorigenesis. We have tested the abilities of primary mammary cells from pregnant and virgin rats cultured on collagen-coated plates to metabolize PAHs and convert these carcinogens to mutageni...

journal_title：Carcinogenesis

authors： Moore CJ,Gould MN

更新日期：1984-01-01 00:00:00

abstract：:5,9-Dimethyldibenzo[c,g]carbazole (DMDBC), a potent mouse hepatocarcinogen, has been shown to induce a non-linear increase in mutant frequency in the liver of the transgenic MutaMouse. To gain insight into the mechanisms underlying the mutagenicity of DMDBC in vivo, DNA damage formation and removal were monitored in m...

journal_title：Carcinogenesis

authors： Renault D,Brault D,Lossouarn Y,Périn-Roussel O,Taras-Valéro D,Périn F,Thybaud V

更新日期：2000-02-01 00:00:00

abstract：:One of the most widely studied ultimate carcinogens, 7r,8t-dihydroxy-9t,10t-oxy-7,8,9,10-tetrahydrobenzo[a]pyrene (BPDE-I), is fairly stable in organic solvents but hydrolyses rapidly in the presence of water. Routine use of BPDE-I stock solutions involves multiple cycles of warming to room temperature and return to f...

journal_title：Carcinogenesis

authors： MacLeod MC,Lew L

更新日期：1988-11-01 00:00:00

abstract：:Abl interactor 1 (Abi1) is a key regulator of actin polymerization/depolymerization. The involvement of Abi1 in the development of abnormal cytoskeletal functions of cancer cells has recently been reported. It remains unclear, however, how Abi1 exerts its effects in tumor cells and whether it contributes to tumor prog...

journal_title：Carcinogenesis

authors： Sun X,Li C,Zhuang C,Gilmore WC,Cobos E,Tao Y,Dai Z

更新日期：2009-12-01 00:00:00

abstract：:We previously reported that 8-hydroxyguanine (7,8-dihydro-8-oxoguanine) at the second position of codon 12 of the c-Ha-ras gene induces many types of mutations in NIH3T3 cells. In this study we incorporated the modified base into the first and second positions of codon 12 in the coding strand and into the first positi...

journal_title：Carcinogenesis

authors： Kamiya H,Murata-Kamiya N,Koizume S,Inoue H,Nishimura S,Ohtsuka E

更新日期：1995-04-01 00:00:00

abstract：:The cyclin-dependent kinase (Cdk) inhibitor p27(Kip1) (p27) is a marker of prognosis in many cancers, including breast cancer. Low p27 expression correlates with poor prognosis, especially in hormone receptor positive breast tumors. This association suggests a role for p27 in hormone-dependent cancer. We used the Wnt-...

journal_title：Carcinogenesis

authors： Glover CE,Gurley KE,Kim KH,Storer B,Fero ML,Kemp CJ

更新日期：2009-06-01 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：:The mechanism(s) of tumour promotion in liver by estrogens is not well understood although growth stimulation is known to be one important element of their action. As a basis for studying mechanisms of growth control by estrogens, effects of both natural and synthetic estrogens on DNA synthesis and protooncogene c-fos...

journal_title：Carcinogenesis

authors： Lee CH,Edwards AM

更新日期：2001-09-01 00:00:00

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：:Metabolites of 15,16-dihydrocyclopenta[a]phenanthren-17-one and its 1- and 12-methyl homologues (all non-carcinogens) along with those from the 11-methyl and 11,12-dimethyl-17-ketones (carcinogens), produced in vitro by hepatic microsomes from methylcholanthrene induced rats, were separated by reverse phase h.p.l.c. I...

journal_title：Carcinogenesis

authors： Coombs MM,Russell JC,Jones JR,Ribeiro O

更新日期：1985-08-01 00:00:00

abstract：:We have previously reported the disposition of benzo[a]pyrene (B[a]P) and its metabolites in male Sprague-Dawley rats following intratracheal instillation of [3H]B[a]P [Weyand, E.H. and Bevan, D.R. (1986) Cancer Res., 46, 5655-5661]. In some experiments, cannulas were implanted in the bile duct of the animals prior to...

journal_title：Carcinogenesis

authors： Bevan DR,Weyand EH

更新日期：1988-11-01 00:00:00

abstract：:N-Nitrosodimethylamine (NDMA) is a potent mutagen and animal carcinogen to which many people are exposed through the consumption of contaminated food and the use of tobacco products. Although the mutational specificity of NDMA has been studied in bacteria, little is known about the specific types of mutations induced ...

journal_title：Carcinogenesis

authors： Dobo KL,Eastmond DA,Grosovsky AJ

更新日期：1998-05-01 00:00:00

abstract：:The urinary excretion of dimethylnitrosamine (DMN) was studied in male Sprague-Dawley rats. Animals were given DMN (3, 5, 10, 20, 30 and 50 mg/kg body weight, i.p.) or [3H]DMN (0.1, 1 and 3 mg; 8.7, 1.5 and 0.28 mCi/kg body weight, respectively, i.p.) diluted with sterile 0.9% NaCl. Urine was collected for 24 h after ...

journal_title：Carcinogenesis

authors： Kraft PL,Skipper PL,Charnley G,Tannenbaum SR

更新日期：1981-01-01 00:00:00

abstract：:A pilot study was conducted to determine whether any relationship exists between micronucleated cell rates of female uterine cervical epithelium and current smoking status. Cervical uterine cells obtained from 118 pre-menopausal females, seen between September 1994 and June 1995 at the Occupational Medecine Interprofe...

journal_title：Carcinogenesis

authors： Lehucher-Michel MP,Favre-Eloff G,Devictor B,Duffaud F,Botta A

更新日期：1997-04-01 00:00:00

abstract：:The nasal passages are a common portal of entry and are a prime site for toxicant-induced pathology. Sustained increases in regenerative cell proliferation can be a significant driving force in chemical carcinogenesis. The atmosphere in Mexico City contains a complex mixture of air pollutants and its residents are exp...

journal_title：Carcinogenesis

authors： Calderón-Garcidueñas L,Rodriguez-Alcaraz A,Garcia R,Barragan G,Villarreal-Calderón A,Madden MC

更新日期：1999-03-01 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：:U.v. damage to the DNA of HeLa cells induces the polymerisation of ADP-ribose, but only if repair synthesis is inhibited so that incomplete repair sites (i.e., DNA breaks) accumulate to abnormally high levels. 3-Aminobenzamide greatly reduces the ADP-ribose polymerisation response. However, 3-aminobenzamide does not r...

journal_title：Carcinogenesis

authors： Collins A

更新日期：1985-07-01 00:00:00

abstract：:A number of model systems have been developed to study the initiating and promoting phases of neoplastic development in rats liver. Four of these protocols use diethylnitrosamine (DEN) initiation, but employ different methods of promotion. The present studies were designed to evaluate these systems under standardized ...

journal_title：Carcinogenesis

authors： Leonard TB,Dent JG,Graichen ME,Lyght O,Popp JA

更新日期：1982-01-01 00:00:00

abstract：:Nitrosamine-induced hepatocarcinogenesis has been used to investigate the regulation and expression of different drug-metabolizing enzymes in preneoplastic and neoplastic lesions in the female Wistar rat. The enzymes investigated were two phenobarbital-inducible cytochrome P-450 (cyt. P-450) isoenzymes (PB1 and PB2, m...

journal_title：Carcinogenesis

authors： Buchmann A,Kuhlmann W,Schwarz M,Kunz W,Wolf CR,Moll E,Friedberg T,Oesch F

更新日期：1985-04-01 00:00:00

abstract：:Using the polymerase chain reaction (PCR), a human kidney glutathione S-transferase (GST) alpha cDNA clone (GST alpha 12 K) was synthesized; it is identical to a known liver GST alpha cDNA clone except for one base change (G----A), indicating that an alpha class gene expressed in human kidney is similar to one express...

journal_title：Carcinogenesis

authors： Klöne A,Weidner U,Hussnätter R,Harris J,Meyer D,Peter S,Ketterer B,Sies H

更新日期：1990-12-01 00:00:00

abstract：:A 32P-postlabeling assay was employed for detection and quantitation of DNA adducts formed with carcinogenic 1-phenylazo-2-hydroxynaphthalene (Sudan I, Solvent Yellow 14) activated by a peroxidase system. Enrichment of adducts by digestion with nuclease P1 or by extraction into n-butanol prior to 32P-labeling was used...

journal_title：Carcinogenesis

authors： Stiborová M,Frei E,Schmeiser HH,Wiessler M

更新日期：1992-07-01 00:00:00

abstract：:Basal cell carcinoma (BCC) of the skin is the most common neoplasm among the Caucasian population of the Western world. Inflammation may result in oxidative stress and contribute to promotion and progression of tumors, including BCC. The role of cytokines, which are inflammatory modulators, in the biology of tumors ha...

journal_title：Carcinogenesis

authors： Rizzato C,Canzian F,Rudnai P,Gurzau E,Stein A,Koppova K,Hemminki K,Kumar R,Campa D

更新日期：2011-12-01 00:00:00

abstract：:Transforming growth factor-beta 1 (TGF-beta1) plays a significant role in regulating the proliferation and apoptosis of prostate epithelial and stromal cells. We explored the association between the T (Leu) to C (Pro) polymorphism at codon10 of the TGF-beta1 gene (TGFB1) and the risk of prostate cancer (PCa) or benign...

journal_title：Carcinogenesis

authors： Li Z,Habuchi T,Tsuchiya N,Mitsumori K,Wang L,Ohyama C,Sato K,Kamoto T,Ogawa O,Kato T

更新日期：2004-02-01 00:00:00

abstract：:In order to study the mechanism of cancer production by aflatoxin B1 (AFB1) in extrahepatic tissues which have relatively low cytochrome P450 monooxygenase (P450) activity, we have examined prostaglandin H synthase (PHS)-mediated AFB1 activation [( 3H]AFB1-DNA binding). [3H]AFB1 was activated by both purified PHS and ...

journal_title：Carcinogenesis

authors： Liu L,Daniels JM,Stewart RK,Massey TE

更新日期：1990-11-01 00:00:00

abstract：:We investigated possible mechanisms associated with promotion of hepatocarcinogenesis by the synthetic estrogens mestranol (M) and ethinyl estradiol (EE). Our first objective was to determine whether chronic EE treatment was associated with hepatotoxicity accompanied by regenerative hyperplasia. Female Sprague-Dawley ...

journal_title：Carcinogenesis

authors： Yager JD,Roebuck BD,Paluszcyk TL,Memoli VA

更新日期：1986-12-01 00:00:00

abstract：:O6-Methylguanine (O6MeGua) is generally regarded as the most important premutagenic lesion formed from carcinogenic methylating agents, so its structure and mechanism of action have received considerable attention. Two conformations for the methyl group in O6MeGua are possible: in one the methyl group is syn with resp...

journal_title：Carcinogenesis

authors： Loechler EL

更新日期：1991-09-01 00:00:00

abstract：:Chronic oral administration of the carcinogenic aminoazo dye N-methyl-4-aminoazobenzene (MAB) to rats is known to result in the induction of liver tumors. In order to assess the role of carcinogen-DNA adduct formation in MAB hepatocarcinogenesis, male rats were fed 0.06% [3'-3H]MAB in the diet for 1, 3 or 5 weeks. Gro...

journal_title：Carcinogenesis

authors： Tullis DL,Dooley KL,Miller DW,Baetcke KP,Kadlubar FF

更新日期：1987-04-01 00:00:00