Redox effector factor-1, combined with reactive oxygen species, plays an important role in the transformation of JB6 cells.

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：:Procarbazine hydrochloride (PCZ), a chemotherapeutic agent used extensively to treat Hodgkins disease and other tumors, induces leukemia, lymphoma, mammary gland and other solid tumors in rodents and non-human primates and is strongly implicated as a leukemogen in humans. Lipotrope (choline and methionine) deficiency ...

journal_title：Carcinogenesis

authors： Rogers AE,Akhtar R,Zeisel SH

更新日期：1990-09-01 00:00:00

abstract：:Experiments were conducted to determine whether the natural estrogen and an environmental compound with estrogenic action, 4-n-octylphenol (4nOP), could modify tumor development in human c-Ha-ras proto-oncogene transgenic (Tg) rats which are highly susceptible to mammary and skin carcinogens. Female and male Tg and no...

journal_title：Carcinogenesis

authors： Han BS,Fukamachi K,Takasuka N,Ohnishi T,Maeda M,Yamasaki T,Tsuda H

更新日期：2002-07-01 00:00:00

abstract：:Administration of 2-acetylaminofluorene (2-AAF) to rats increased mdr1b expression in Fischer, Wistar and Sprague-Dawley rat livers; however, the response was much smaller in Sprague-Dawley livers. To investigate the basis of this difference we further examined the regulation of the mdr1b gene in hepatocytes isolated ...

journal_title：Carcinogenesis

authors： Hill BA,Brown PC,Preisegger KH,Silverman JA

更新日期：1996-03-01 00:00:00

abstract：:The effects of dietary administration of green tea catechins (GTC) were examined using a multi-organ carcinogenesis model. Groups of 15 F344 male rats were initially treated with a single i.p. administration of 100 mg/kg body wt N-diethyl-nitrosamine, 4 i.p. administrations of 20 mg/kg body wt N-methylnitrosourea, 4 s...

journal_title：Carcinogenesis

authors： Hirose M,Hoshiya T,Akagi K,Takahashi S,Hara Y,Ito N

更新日期：1993-08-01 00:00:00

abstract：:In this case-control study with 387 White esophageal patients and 462 White controls matched to cases by age and sex, we evaluated the associations between 13 potential functional polymorphisms in eight major nucleotide excision repair (NER) genes and esophageal cancer risk. In individual single nucleotide polymorphis...

journal_title：Carcinogenesis

authors： Pan J,Lin J,Izzo JG,Liu Y,Xing J,Huang M,Ajani JA,Wu X

更新日期：2009-05-01 00:00:00

abstract：:N-Acetoxyarylamines are reactive metabolites that lead to arylamine adduct formation with biological macromolecules. A series of 7-substituted-N-hydroxy-2-acetylaminofluorenes were converted to reactive N-acetoxyarylamines by enzymatic N,O-acyltransfer in the presence of DNA. The N-arylhydroxamic acid substrates that ...

journal_title：Carcinogenesis

authors： Boteju LW,Hanna PE

更新日期：1993-08-01 00:00:00

abstract：:Tea polyphenolic constituents induce apoptosis in cancer cells but not in normal cells. To study the mechanism of this selective effect, we used the ornithine decarboxylase (ODC)/Ras double transgenic mouse model that develops spontaneous skin tumors due to over-expression of ODC and a v-Ha-ras transgene. Administrati...

journal_title：Carcinogenesis

authors： Paul B,Hayes CS,Kim A,Athar M,Gilmour SK

更新日期：2005-01-01 00:00:00

abstract：:3-Methyladenine is one of the major products formed by reaction of a large number of environmental methylating agents with DNA in vivo and in vitro. In spite of the rapid spontaneous depurination of this base an enzyme, 3-methyladenine DNA glycosylase, has been shown to catalyse its excision. The relevance of this enz...

journal_title：Carcinogenesis

authors： Craddock VM,Henderson AR

更新日期：1982-01-01 00:00:00

abstract：:We examined allelic loss in colon tumors induced by 1,2-dimethylhydrazine (DMH) in F1 hybrid mice, using sequence-tagged microsatellite site (STMS) primers derived from the chromosomal region closely linked to the p53 locus. Polymerase chain reaction--single-strand conformation polymorphism (PCR-SSCP) analysis of 155 ...

journal_title：Carcinogenesis

authors： Okamoto M,Ohtsu H,Miyaki M,Yonekawa H

更新日期：1993-07-01 00:00:00

abstract：:The activity levels of L-ornithine carboxy-lyase (ODC) (E.C. 4.1.1.17) and S-adenosyl-L-methionine carboxy-lyase (SAM-D) (E.C.4.1.1.50) were determined in individual papillomas induced in mouse skin by a two-stage technique, and in normal mouse epidermis. Cycloheximide treatment abolished both enzyme activities. In no...

journal_title：Carcinogenesis

authors： Astrup EG,Boutwell RK

更新日期：1982-01-01 00:00:00

abstract：:3,3-[3H]Dimethyl-1-phenyltriazene, 1-(4-chlorophenyl)-3,3-[3H]dimethyltriazene and 3,3-[3H]dimethyl-1-(2,4,6-trichlorophenyl)-triazene methylate initiator tRNA in vitro only after pre-incubation with microsomal enzymes and NADPH. The finding confirms that procarcinogenic dialkyl aryltriazenes must be enzymatically con...

journal_title：Carcinogenesis

authors： Hradec J,Kolar GF

更新日期：1985-07-01 00:00:00

abstract：:Cells from patients with genomic instability syndromes have high predisposition to cancer. However, little is known about whether these mutant cells have high susceptibility to oncogenic transformation. We have tested the hypothesis that a defect in maintaining genome integrity is necessary but not sufficient alone fo...

journal_title：Carcinogenesis

authors： Li J,Sejas DP,Burma S,Chen DJ,Pang Q

更新日期：2007-06-01 00:00:00

abstract：:The influence of various dietary constituents--phenethylisothiocyanate (PEITC), oleic acid (OA), triolein (TO), and vitamin A (ROL)--on the genotoxic activity of nitrosamines (NDMA, NDELA, NPYR) was investigated. For this purpose differential DNA repair assays with Escherichia coli K-12 strains were performed in vitro...

journal_title：Carcinogenesis

authors： Knasmüller S,Huber WW,Kienzl H,Schulte-Hermann R

更新日期：1992-09-01 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：:Epigenetic silencing of tumor suppressor genes commonly occurs in human cancers via increasing DNA methylation and repressive histone modifications at gene promoters. However, little is known about how pathogenic environmental factors contribute to cancer development by affecting epigenetic regulatory mechanisms. Prev...

journal_title：Carcinogenesis

authors： Chen H,Kluz T,Zhang R,Costa M

更新日期：2010-12-01 00:00:00

abstract：:In order to establish an animal model for studying the cause and prevention of esophageal adenocarcinoma (EAC) and its frequent precursor, Barrett's esophagus (BE), factors affecting the pathogenic processes were investigated in an esophagoduodenal anastomosis model with rats. Experiments by us and others have shown t...

journal_title：Carcinogenesis

authors： Goldstein SR,Yang GY,Curtis SK,Reuhl KR,Liu BC,Mirvish SS,Newmark HL,Yang CS

更新日期：1997-11-01 00:00:00

abstract：:The extracellular matrix (ECM) is known to play an active role in numerous biological processes such as differentiation, apoptosis and cancer. Extensive alterations of epithelial basement membranes and of interstitial ECM are known to occur during the progression of most invasive carcinomas. Collagen, which represents...

journal_title：Carcinogenesis

authors： Pucci-Minafra I,Andriolo M,Basiricò L,Alessandro R,Luparello C,Buccellato C,Garbelli R,Minafra S

更新日期：1998-04-01 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：:We measured the mutation frequency and spectrum induced by exposure of the mutation reporter plasmid pSP189 in vivo to phorbol myristate acetate (PMA)-activated human polymorphonuclear leukocytes (PMNs). The mutation frequency induced in the supF tRNA gene of pSP189 transfected into human Ad293 cells by a 30 min expos...

journal_title：Carcinogenesis

authors： Akman SA,Sander F,Garbutt K

更新日期：1996-10-01 00:00:00

abstract：:2-Nitrofluorene (NF) is a potent genotoxic substance found in environments where incomplete combustion takes place. NF is a mutagen and a carcinogen in animal models. NF or 7,12-dimethylbenz[a]anthracene (DMBA) was administered once topically to female SENCAR mice followed by promotion by 12-O-tetradecanoylphorbol-13-...

journal_title：Carcinogenesis

authors： Möller L,Zeisig M,Toftgård R

更新日期：1993-08-01 00:00:00

abstract：:The in vivo formation of specific 7,12-dimethylbenz[a]-anthracene (DMBA)-DNA adducts in the mammary gland of the female Sprague-Dawley rat was studied in response to dietary butylated hydroxytoluene (BHT). Dietary BHT concentrations of 0.4 and 0.8% significantly inhibited total DMBA-DNA binding by 41.5 and 35.6% respe...

journal_title：Carcinogenesis

authors： Singletary KW,Nelshoppen JM

更新日期：1991-10-01 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：:Expression of the human placental form of glutathione S-transferase (GST-pi), an enzyme proposed as a marker for human and experimental neoplasia, was immunohistochemically evaluated in 51 samples of 'normal' and diseased adult human uterine cervix. Five fetal uteri were also studied. GST-pi positivity was detected in...

journal_title：Carcinogenesis

authors： de Camargo JL,Tsuda H,Tatematsu M,Rodrigues MA,Yamada M,Tzuji K,Ito N

更新日期：1989-12-01 00:00:00

abstract：:Eukaryotic 3'-end formation is a critical step for mRNA maturation and involves a requisite cleavage and polyadenylation event downstream of a polyadenylation signal. Recent discoveries suggest that in nearly 70% of human genes, cleavage and polyadenylation can occur at multiple locations through a process known as al...

journal_title：Carcinogenesis

authors： Masamha CP,Wagner EJ

更新日期：2018-01-12 00:00:00

abstract：:The regulation of growth hormone 1 (GH1) and insulin-like-growth factor-1 (IGF-1) release is under the influence of three pituitary hormones [growth hormone releasing hormone (GHRH), ghrelin (GHRL) and somatostatin (SST)], which act in an autocrine/paracrine fashion in the breast. By binding to their respective recept...

journal_title：Carcinogenesis

authors： Wagner K,Hemminki K,Grzybowska E,Klaes R,Burwinkel B,Bugert P,Schmutzler RK,Wappenschmidt B,Butkiewicz D,Pamula J,Pekala W,Försti A

更新日期：2006-09-01 00:00:00

abstract：:Nitric oxide (NO) is a short-lived, pleiotropic molecule that affects numerous critical functions in the body. Presently, there are markedly conflicting findings in the literature regarding NO and its role in carcinogenesis and tumor progression. NO has been shown to have dichotomous effects on cellular proliferation,...

journal_title：Carcinogenesis

authors： Burke AJ,Sullivan FJ,Giles FJ,Glynn SA

更新日期：2013-03-01 00:00:00

abstract：:A series of cells representing normal, non-tumorigenic cell lines, as well as differentiating neoplastic and undifferentiated neoplastic rat tracheal epithelial cell populations were evaluated for their ability to establish homologous and/or heterologous cell-cell gap junction communication in culture. Gap junction co...

journal_title：Carcinogenesis

authors： Terzaghi-Howe M,Chang GW,Popp D

更新日期：1997-11-01 00:00:00

abstract：:Methylation of the non-carcinogen 15,16-dihydrocyclopenta[a]phenanthren-17-one (CPP-17-one) at the bay region to form 11-CH3-CPP-17-one confers carcinogenic potential. In the present study we have investigated the in vitro metabolism and mutagenicity of the methylated compound by hepatic microsomal preparations from r...

journal_title：Carcinogenesis

authors： Boyd GW,Young RJ,Harvey RG,Coombs MM,Ioannides C

更新日期：1993-09-01 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