Bioactivation of 2-nitrofluorene to reactive intermediates that bind covalently to DNA, RNA and protein in vitro and in vivo in the rat.

abstract：:Progress in prostate cancer research has been hindered by the lack of well characterized, immortalized, human prostatic epithelial cell lines that express markers of normal prostatic epithelial cells and mimic normal growth and differentiation responses to androgens. The objectives of this study were to: (i) establish...

journal_title：Carcinogenesis

authors： Webber MM,Bello D,Kleinman HK,Wartinger DD,Williams DE,Rhim JS

更新日期：1996-08-01 00:00:00

abstract：:Recent studies have examined and demonstrated the potential cancer chemopreventive activity of freeze-dried berries including strawberries and black raspberries. Although ellagic acid, an abundant component in these berries, has been shown to inhibit carcinogenesis both in vivo and in vitro, several studies have repor...

journal_title：Carcinogenesis

authors： Xue H,Aziz RM,Sun N,Cassady JM,Kamendulis LM,Xu Y,Stoner GD,Klaunig JE

更新日期：2001-02-01 00:00:00

abstract：:Effects of estrogens on the cytoplasmic microtubule network were examined by the indirect immunofluorescence method using anti-beta-tubulin antibody. Estradiol, a naturally occurring estrogen, decreased the amount of cytoplasmic microtubule fibers during interphase in the human breast cancer cell lines MCF-7 and MDA-M...

journal_title：Carcinogenesis

authors： Aizu-Yokota E,Ichinoseki K,Sato Y

更新日期：1994-09-01 00:00:00

abstract：:Gene-environment interactions play an important role in folate metabolism, with a potential impact on human health. Deficiencies in the uptake of key micronutrients and variant genotypes can affect the folic acid cycle, modulating methyl group transfer in key processes and leading to increased cancer risk and Down syn...

journal_title：Carcinogenesis

authors： Zijno A,Andreoli C,Leopardi P,Marcon F,Rossi S,Caiola S,Verdina A,Galati R,Cafolla A,Crebelli R

更新日期：2003-06-01 00:00:00

abstract：:To determine the contribution of susceptibility loci in explaining the genetic basis of acute lymphoblastic leukemia (ALL), we genotyped 29 high-potential candidate genes with 672 tagged single-nucleotide polymorphisms (SNPs) in a sample (163 cases and 251 healthy controls) of Caucasian children. Fifty SNPs in 15 gene...

journal_title：Carcinogenesis

authors： Beuten J,Gelfond JA,Piwkham D,Pollock BH,Winick NJ,Collier AB 3rd,Tomlinson GE

更新日期：2011-09-01 00:00:00

abstract：:The metastasis suppressor, N-myc downstream regulated gene 1 (NDRG1), is negatively correlated with tumor progression in multiple neoplasms, being a promising new target for cancer treatment. However, the precise molecular effects of NDRG1 remain unclear. Herein, we summarize recent advances in understanding the impac...

journal_title：Carcinogenesis

authors： Sun J,Zhang D,Bae DH,Sahni S,Jansson P,Zheng Y,Zhao Q,Yue F,Zheng M,Kovacevic Z,Richardson DR

更新日期：2013-09-01 00:00:00

abstract：:The aims of this study were to examine the anti-proliferative effects of different concentrations of a commercial preparation of conjugated linoleic acids (CLA) mixture of isomers [cis-9, trans-11 CLA (c9,t11 CLA): trans-10, cis-12 CLA (50:50)] and their constituent isomers on PC-3, a human prostatic carcinoma cell li...

journal_title：Carcinogenesis

authors： Ochoa JJ,Farquharson AJ,Grant I,Moffat LE,Heys SD,Wahle KW

更新日期：2004-07-01 00:00:00

abstract：:Propylene oxide, a widely used monofunctional alkylating agent, has been shown to be genotoxic in in vitro test systems and induces tumors in the nasal tissues of experimental animals. Propylene oxide, like related alkylating agents, forms several different adducts with DNA bases, but predominantly at the 7-position o...

journal_title：Carcinogenesis

authors： Plna K,Nilsson R,Koskinen M,Segerbäck D

更新日期：1999-10-01 00:00:00

abstract：:Chemopreventive activities of all-trans retinoic acid (AtRA), 9-cis retinoic acid (9cRA), retinol (ROL) and beta-carotene (betaC) were evaluated during hepatocarcinogenesis. Rats received 1 mg/100 g body wt AtRA (AtRA group), 9cRA (9cRA group), ROL (ROL group), 7 mg/100 g body wt betaC (betaC group) or corn oil (CO gr...

journal_title：Carcinogenesis

authors： de Almeida Vasconcelos Fonseca EM,Chagas CE,Mazzantini RP,Heidor R,Ong TP,Moreno FS

更新日期：2005-11-01 00:00:00

abstract：:An elevation in total MAP kinase activity and expression has been observed in breast cancer tissue. However, the mechanisms underlying these changes in kinase activity and regulation by growth factors are not well characterized. In these studies, the effect of the potent mammary mitogen, epidermal growth factor (EGF),...

journal_title：Carcinogenesis

authors： Xing C,Imagawa W

更新日期：1999-07-01 00:00:00

abstract：:Male Leeds strain rats were given a diet containing either 0.06% 3'-methyl-4-dimethylaminoazobenzene (3'-MeDAB) or 0.05% 2-acetylaminofluorene (2-AAF), alone or together with 0.0067% 3-methylcholanthrene (MeCh). MeCh both reduced the incidence of hepatic neoplasms induced by 3'-MeDAB and delayed their development. Wit...

journal_title：Carcinogenesis

authors： Flaks A,Flaks B

更新日期：1982-01-01 00:00:00

abstract：:Resveratrol (RSVL) is a well-established chemopreventive agent in human breast cancer models. The molecular basis of its action is far less characterized. We investigated the effects of RSVL on activity of adenylate- and guanylate-cyclase (AC, GC) enzymes; two known cytostatic cascades in MCF-7 breast cancer cells. RS...

journal_title：Carcinogenesis

authors： El-Mowafy AM,Alkhalaf M

更新日期：2003-05-01 00:00:00

abstract：:The metabolic activation of the heterocyclic food carcinogen 2-amino-3-methylimidazo[4,5-f]quinoline (IQ) by two human cytochrome P450 monoxygenases (P4501A1 and P4501A2) and two human N-acetyltransferases (NAT1 and NAT2) was investigated. Various combinations of these enzymes were functionally expressed in COS-1 cell...

journal_title：Carcinogenesis

authors： Probst MR,Blum M,Fasshauer I,D'Orazio D,Meyer UA,Wild D

更新日期：1992-10-01 00:00:00

abstract：:Isoflavone genistein is a specific inhibitor of protein tyrosine kinase (PTK) and has been shown to have a variety of anticancer activities in cultured cells and animal models. We report here that genistein significantly inhibits 7,12-dimethylbenz[a]anthracene (DMBA)-initiated and 12-O-tetradecanoyl phorbol-13-acetate...

journal_title：Carcinogenesis

authors： Wei H,Bowen R,Zhang X,Lebwohl M

更新日期：1998-08-01 00:00:00

abstract：:In this study, primary murine prostate cancer (PCa) cells were derived using the well-established TRAMP model. These PCa cells were treated with the histone deacetylase inhibitor, valproic acid (VPA), and we demonstrated that VPA treatment has an antimigrative, antiinvasive and antiproliferative effect on PCa cells. U...

journal_title：Carcinogenesis

authors： Witt D,Burfeind P,von Hardenberg S,Opitz L,Salinas-Riester G,Bremmer F,Schweyer S,Thelen P,Neesen J,Kaulfuss S

更新日期：2013-05-01 00:00:00

abstract：:Excess consumption of trans-fatty acid (TFA), an unsaturated fatty acid containing trans double bonds, is a major risk factor for cardiovascular disease and metabolic syndrome. However, little is known about the link between TFA and hepatocellular carcinoma (HCC) despite it being a frequent form of cancer in humans. I...

journal_title：Carcinogenesis

authors： Hu X,Wang X,Jia F,Tanaka N,Kimura T,Nakajima T,Sato Y,Moriya K,Koike K,Gonzalez FJ,Nakayama J,Aoyama T

更新日期：2020-04-22 00:00:00

abstract：:We have measured the levels of thymine glycol (TG) and thymidine glycol (dTG) in human urine, using an HPLC method. The results show that all 30 specimens examined (including 10 non-neoplastic and 20 neoplastic human urines) contained significant amounts of TG and dTG, average levels (mean +/- SEM) were 0.376 +/- 0.02...

journal_title：Carcinogenesis

authors： Cao EH,Wang JJ

更新日期：1993-07-01 00:00:00

abstract：:Feeding male Wistar rats a choline-deficient diet containing 0.07% DL-ethionine (CDE diet) for up to 5 weeks results in the production of two distinct non-parenchymal cell populations, oval and duct-like cells. These cells can undergo replication and display different patterns of expression of glutathione S-transferas...

journal_title：Carcinogenesis

authors： Tee LB,Kirilak Y,Huang WH,Morgan RH,Yeoh GC

更新日期：1994-12-01 00:00:00

abstract：:Alterations of epigenetic modifications are promising targets for cancer therapy, and several epigenetic drugs are now being clinically utilized. At the same time, individual epigenetic modifications have physiological functions in normal cells, and cancer cell specificity is considered difficult to achieve using a dr...

journal_title：Carcinogenesis

authors： Takeshima H,Wakabayashi M,Hattori N,Yamashita S,Ushijima T

更新日期：2015-02-01 00:00:00

abstract：:The incidence and mortality statistics for oral squamous cell carcinoma (OSCC) were 10th and 12th, respectively, in human cancers diagnosed worldwide in 2008. In this study, to identify novel tumor-suppressive microRNAs (TS-miRNAs) and their direct targets in OSCC, we performed methylation-based screening for 43 miRNA...

journal_title：Carcinogenesis

authors： Endo H,Muramatsu T,Furuta M,Uzawa N,Pimkhaokham A,Amagasa T,Inazawa J,Kozaki K

更新日期：2013-03-01 00:00:00

abstract：:Poly(ADP-ribose) (polymer) is enzymatically synthesized on nuclear proteins in response to DNA strand breaks. NAD+ is the substrate for this reaction, which is catalyzed by poly(ADP-ribose)polymerase. This post-translational modification occurs in response to DNA strand breaks and is thought to play an important role ...

journal_title：Carcinogenesis

authors： Rawling JM,Driscoll ER,Poirier GG,Kirkland JB

更新日期：1993-12-01 00:00:00

abstract：:Stimulation of cell proliferation caused by peroxisome proliferators was blocked by antibodies against TNF alpha and agents that inactivate Kupffer cells, a rich source of TNF alpha, which supports the hypothesis that Kupffer cells play a pivotal role in peroxisome proliferator-induced hyperplasia. Here, the ability o...

journal_title：Carcinogenesis

authors： Rusyn I,Tsukamoto H,Thurman RG

更新日期：1998-07-01 00:00:00

abstract：:The role of tumor estrogen receptors (ERs) and serum estrogen in lung cancer is inconclusive. We investigated the hypothesis that ERs and functional single-nucleotide polymorphisms in the estrogen biosynthesis pathway are associated with poorer lung cancer survival. Lung cancer patients (n = 305) from a National Cance...

journal_title：Carcinogenesis

authors： Olivo-Marston SE,Mechanic LE,Mollerup S,Bowman ED,Remaley AT,Forman MR,Skaug V,Zheng YL,Haugen A,Harris CC

更新日期：2010-10-01 00:00:00

abstract：:Glycidyl ethers are reactive epoxides used as components of a variety of epoxy materials. These compounds are known to cause allergic reactions, but since they are generally also genotoxic it would be of interest to evaluate the risk for induction of such effects. Reaction products of allyl glycidyl ether with nucleic...

journal_title：Carcinogenesis

authors： Plna K,Segerbäck D,Schweda EK

更新日期：1996-07-01 00:00:00

abstract：:This study was undertaken to investigate the hypothesis linking peroxisome proliferation with the production of reactive oxygen species and subsequent DNA damage. Hepatic peroxisomal proliferation was induced in male Wistar-derived rats by the administration of clofibrate, methyl clofenapate, di(2-ethylhexyl)phthalate...

journal_title：Carcinogenesis

authors： Elliott BM,Elcombe CR

更新日期：1987-09-01 00:00:00

abstract：:We have explored the induction of DNA repair synthesis in monocyte/B- and T-lymphocyte enriched cell fractions from 12 different human mononuclear blood cell populations. Unscheduled DNA synthesis was measured in monocyte/B- and T-cells after exposure to the DNA-damaging agents dimethylsulfate (DMS) and N-acetoxy-N-ac...

journal_title：Carcinogenesis

authors： Knudsen LE,Ryder LP,Wassermann K

更新日期：1992-07-01 00:00:00

abstract：:Okadaic acid is both a potent inhibitor of protein serine/threonine phosphatases and a tumor promoter in the mouse skin model. We have previously shown that at non-toxic nanomolar concentrations okadaic acid reversibly inhibits induction (promotion) by PDGF of transformed cells by the 'complete' and 'two-stage' protoc...

journal_title：Carcinogenesis

authors： Dean NM,Mordan LJ,Tse K,Mooberry SL,Boynton AL

更新日期：1991-04-01 00:00:00

abstract：:The modifying effects of oltipraz on induction of glandular stomach carcinogenesis by N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) were investigated in a total of 120 male 6-week-old Wistar rats, divided into six groups. Groups 1-3 (30 animals each) were given 100 p.p.m. MNNG in their drinking water for 10 weeks as an ...

journal_title：Carcinogenesis

authors： Nishikawa A,Tanakamura Z,Furukawa F,Lee IS,Kasahara K,Ikezaki S,Takahashi M

更新日期：1998-02-01 00:00:00

abstract：:Observational studies have been largely consistent in showing an inverse association between vitamin D and an individual's risk of developing colorectal cancer. Vitamin D protection is further supported by a range of preclinical colon cancer models, including carcinogen, genetic and dietary models. A large number of m...

journal_title：Carcinogenesis

authors： Giardina C,Madigan JP,Tierney CA,Brenner BM,Rosenberg DW

更新日期：2012-03-01 00:00:00

abstract：:Previous studies had indicated that complete skin tumor promoters of the phorbol ester class induce epidermal transglutaminase and cornification in a subpopulation of cultured mouse epidermal basal cells in proportion to their promoting properties. This report describes the effect of promoting agents other than phorbo...

journal_title：Carcinogenesis

authors： Yuspa SH,Ben T,Hennings H

更新日期：1983-11-01 00:00:00