Diet-induced DNA damage and altered nucleotide metabolism in lymphocytes from methyl-donor-deficient rats.

abstract：:Microsatellite instability (MSI) is present in ulcerative colitis (UC) and colitis-associated colorectal cancers (CAC). Certain factors released by polymorphonuclear cells (PMNs) may drive mucosal frameshift mutations resulting in MSI and cancer. Here, we applied a co-culture system with PMNs and colon epithelial cell...

journal_title：Carcinogenesis

authors： Granofszky N,Lang M,Khare V,Schmid G,Scharl T,Ferk F,Jimenez K,Knasmüller S,Campregher C,Gasche C

更新日期：2018-02-09 00:00:00

abstract：:Incubation of 3-[3H]fluoranthene with a rat liver microsomal activation system in the presence of calf thymus DNA resulted in radioactivity bound to the DNA. The fluoranthene-modified DNA was enzymatically digested and a DNA adduct elution profile developed using h.p.l.c. The fraction containing the major fluoranthene...

journal_title：Carcinogenesis

authors： Babson JR,Russo-Rodriguez SE,Rastetter WH,Wogan GN

更新日期：1986-06-01 00:00:00

abstract：:Forty-two compounds belonging to various chemical groups have been tested for their ability to suppress formation of aflatoxin B1--DNA adduct mediated by microsome in vitro. While many of these compounds have either marginal or no modulating effect, some have been identified as effective inhibitors. The strong inhibit...

journal_title：Carcinogenesis

authors： Bhattacharya RK,Firozi PF,Aboobaker VS

更新日期：1984-10-01 00:00:00

abstract：:Several converging lines of evidence suggest that keratinocyte stem cells including those clonogenic in vitro, are the target cells in skin carcinogenesis. However, the mechanism of their involvement in carcinogenesis continues to be unknown. Recently, we have demonstrated that the number of keratinocyte clonogenic st...

journal_title：Carcinogenesis

authors： Popova NV,Teti KA,Wu KQ,Morris RJ

更新日期：2003-03-01 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 metabolism of the carcinogenic pentacyclic azaaromatic compound, dibenz[a,j]acridine, has been examined in liver microsomal incubations using preparations from 3-methylcholanthrene-pretreated Wistar rats. Using authentic synthetic standards, u.v. spectroscopy and mass spectrometry, the following were proved to be ...

journal_title：Carcinogenesis

authors： Gill JH,Duke CC,Rosario CA,Ryan AJ,Holder GM

更新日期：1986-08-01 00:00:00

abstract：:The landscape of HPV infection in racial/ethnic subgroups of head and neck cancer (HNC) patients has not been evaluated carefully. In this study, a meta-analysis examined the prevalence of HPV in HNC patients of African ancestry. Additionally, a pooled analysis of subject-level data was also performed to investigate H...

journal_title：Carcinogenesis

authors： Ragin C,Liu JC,Jones G,Shoyele O,Sowunmi B,Kennett R,Groen HJ,Gibbs D,Blackman E,Esan M,Brandwein MS,Devarajan K,Bussu F,Chernock R,Chien CY,Cohen MA,Samir EM,Mikio S,D'Souza G,Funchain P,Eng C,Gollin SM,Hong

更新日期：2017-02-01 00:00:00

abstract：:The PEA3/E1AF/ETV4 gene encodes an Ets-related transcription factor that is expressed in the epithelial cells of the mammary gland. Previous reports have shown that PEA3 can up-regulate promoter activities of many genes associated with tumorigenesis. A significant fraction of those encode matrix metalloproteinases (MM...

journal_title：Carcinogenesis

authors： Bièche I,Tozlu S,Girault I,Onody P,Driouch K,Vidaud M,Lidereau R

更新日期：2004-03-01 00:00:00

abstract：:Epidemiological evidence suggests that the presence of human papillomaviruses (HPV), when combined with smoking behaviors, considerably enhances the risk of developing oral, cervical, vulvar, and/or anal carcinomas. It is well established that the cytochrome P450 (CYP), microsomal epoxide hydrolase (mEH), and other bi...

journal_title：Carcinogenesis

authors： Farin FM,Bigler LG,Oda D,McDougall JK,Omiecinski CJ

更新日期：1995-06-01 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：:A single i.p. injection of 12-O-tetradecanoylphorbol-13-acetate (TPA) induced a transient increase in the levels of rat liver putrescine, spermidine and spermine. These polyamine concentrations continuously increased until 6 h, immediately following administration of the tumor promoter. Phenobarbital (PB) induced an i...

journal_title：Carcinogenesis

authors： Van Rooijen LA,Derks HJ,Van Wijk R,Bisschop A

更新日期：1984-02-01 00:00:00

abstract：:The present study was designed to compare the skin tumor promoting and epidermal ornithine decarboxylase (ODC) inducing activities of various structural analogs of anthralin (1,8-dihydroxy-9-anthrone) and chrysarobin (1,8-dihydroxy-3-methyl-9-anthrone). Groups of 30 SENCAR mice each were initiated with 7,12-dimethylbe...

journal_title：Carcinogenesis

authors： DiGiovanni J,Kruszewski FH,Coombs MM,Bhatt TS,Pezeshk A

更新日期：1988-08-01 00:00:00

abstract：:The high incidence of oesophageal cancer in Northern Iran has been associated with opium. N-Nitrosamines are the only carcinogens known to induce oesophageal cancer in animals. Ethanol, which is the major influence on oesophageal cancer incidence in the West, inhibits the first pass clearance of N-nitrosodimethylamine...

journal_title：Carcinogenesis

authors： Ribeiro Pinto LF,Swann PF

更新日期：1997-02-01 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：:In recent years, considerable emphasis has been placed on identifying new cancer chemopreventive agents which could be useful for human populations. Silymarin, an anti-oxidant flavonoid isolated from artichoke, has been shown to possess significant activity against hepatotoxicity and other pharmacological and physiolo...

journal_title：Carcinogenesis

authors： Agarwal R,Katiyar SK,Lundgren DW,Mukhtar H

更新日期：1994-06-01 00:00:00

abstract：:The effect of changing the format of administration as well as the total dose of the promoting agent phenobarbital (PB) on the development of altered hepatic foci (AHF) was determined in an initiation-promotion protocol with female rats fed the purified AIN-76 diet. Effects on the total number of AHF and the volume pe...

journal_title：Carcinogenesis

authors： Xu YD,Dragan YP,Young T,Pitot HC

更新日期：1991-06-01 00:00:00

abstract：:We conducted a cross-sectional molecular epidemiological study of coke oven workers exposed to the established carcinogen polycyclic aromatic hydrocarbons (PAHs) to evaluate the relationships between both traditional 'exposure markers' and a series of biomarkers, including urinary 1-hydroxypyrene as a marker of intern...

journal_title：Carcinogenesis

authors： Pan G,Hanaoka T,Yamano Y,Hara K,Ichiba M,Wang Y,Zhang J,Feng Y,Shujuan Z,Guan D,Gao G,Liu N,Takahashi K

更新日期：1998-11-01 00:00:00

abstract：:BTG3/ANA/APRO4 has been reported to be a tumor suppressor gene in some malignancies. It constitutes important negative regulatory mechanism for Src-mediated signaling, a negative regulator of the cell cycle and inhibits transcription factor E2F1. We report that BTG3 is downregulated in renal cancer and that the mechan...

journal_title：Carcinogenesis

authors： Majid S,Dar AA,Ahmad AE,Hirata H,Kawakami K,Shahryari V,Saini S,Tanaka Y,Dahiya AV,Khatri G,Dahiya R

更新日期：2009-04-01 00:00:00

abstract：:The activation of 2-nitrofluorene (2-NF) to reactive intermediates that bind covalently to DNA, RNA and protein has been investigated both in vitro and in the rat in vivo. In vitro, such binding was catalyzed by the hepatic microsomal fraction, was NADPH dependent and could be inhibited by SKF 525A, an inhibitor of cy...

journal_title：Carcinogenesis

authors： Wierckx FC,Wedzinga R,Meerman JH,Mulder GJ

更新日期：1990-01-01 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：:CXCR4 is a chemokine receptor probably involved in the homing of metastatic breast cancer, and its expression is modulated by tumor environmental stimuli such as hepatocyte growth factor (HGF) and hypoxia. Here, we demonstrate that, depending on the stimulus, different transcription factors can cooperate in enhancing ...

journal_title：Carcinogenesis

authors： Maroni P,Bendinelli P,Matteucci E,Desiderio MA

更新日期：2007-02-01 00:00:00

abstract：:Using an initiation--selection--promotion protocol for induction of liver tumors in Wistar rats, the modulating action of various peroxisome proliferators on neoplasia as well as on selected biochemical parameters was studied. After treatment with diethylnitrosamine (DEN), the animals were subsequently subjected to a ...

journal_title：Carcinogenesis

authors： Abdellatif AG,Préat V,Vamecq J,Nilsson R,Roberfroid M

更新日期：1990-11-01 00:00:00

abstract：:Botryodiplodin induces DNA-protein cross-links (DPC) in mammalian cells in culture. Removal of the mycotoxin followed by incubation of cells in fresh medium leads to the gradual disappearance of DPC. The present experiments attempted to determine to what extent the repair mechanism acts through a system involving tran...

journal_title：Carcinogenesis

authors： Moulé Y,Darracq N

更新日期：1984-10-01 00:00:00

abstract：:Previous studies have shown that decorin expression is significantly reduced in colorectal cancer tissues and cancer cells, and genetic deletion of the decorin gene is sufficient to cause intestinal tumor formation in mice, resulting from a downregulation of p21, p27(kip1) and E-cadherin and an upregulation of β-caten...

journal_title：Carcinogenesis

authors： Bi X,Pohl NM,Qian Z,Yang GR,Gou Y,Guzman G,Kajdacsy-Balla A,Iozzo RV,Yang W

更新日期：2012-02-01 00:00:00

abstract：:We hypothesized that superoxide from Kupffer cells (KC) contributes to hepatocarcinogenesis. p47phox(-/-) mice, deficient in phagocyte NADPH oxidase and superoxide generation, received a single dose of the hepatocarcinogen diethylnitrosamine (DEN). The following hepatic effects were observed at time points between 30 ...

journal_title：Carcinogenesis

authors： Teufelhofer O,Parzefall W,Kainzbauer E,Ferk F,Freiler C,Knasmüller S,Elbling L,Thurman R,Schulte-Hermann R

更新日期：2005-02-01 00:00:00

abstract：:Modification of 3,2'-dimethyl-4-aminobiphenyl (DMAB) multi-organ carcinogenesis by simultaneous treatment with butylated hydroxyanisole (BHA) or butylated hydroxytoluene (BHT) was studied using young and old male F344 rats. Animals, 4 or 54 weeks old, were given DMAB (s.c. injection of 50 mg/kg body wt once a week for...

journal_title：Carcinogenesis

authors： Shirai T,Fukushima S,Kawabe M,Shibata M,Iwasaki S,Tada M,Ito N

更新日期：1991-07-01 00:00:00

abstract：:XB2 cells, a teratocarcinoma derived cell line of keratinocyte lineage, have been shown to proliferate and differentiate in low calcium medium (0.03 mM Ca2+) at a density of 500 cells/9.6 cm2 without the need for fibroblast feeder layers or conditioned medium. The degree of differentiation can be assessed by measureme...

journal_title：Carcinogenesis

authors： Hewitt SD,Duffy PA,Orton TC,Garner RC

更新日期：1990-03-01 00:00:00

abstract：:Overexpression of the helix-loop-helix protein Id-1 has been reported in over 20 types of cancer. While a number of factors have been demonstrated to regulate Id-1 gene transcription, little is known about the mechanisms responsible for its degradation. In this study, we have demonstrated that Id-1 protein stability w...

journal_title：Carcinogenesis

authors： Ling MT,Kwok WK,Fung MK,Xianghong W,Wong YC

更新日期：2006-02-01 00:00:00

abstract：:In Thailand, smoking of commercial cigarettes and of handmade cigarettes has drastically increased in recent decades. Cancer of the lung and of the upper aero-digestive tract have also increased in Thailand as they have in many other countries. It is our working hypothesis that the increase of primary cancer of the li...

journal_title：Carcinogenesis

authors： Mitacek EJ,Brunnemann KD,Hoffmann D,Limsila T,Suttajit M,Martin N,Caplan LS

更新日期：1999-01-01 00:00:00

abstract：:The metastasis suppressor, N-myc downstream-regulated gene-1 (NDRG1), plays multifaceted roles in inhibiting oncogenic signaling and can suppress the epithelial mesenchymal transition (EMT), a key step in metastasis. In this investigation, NDRG1 inhibited the oncogenic effects of transforming growth factor-β (TGF-β) i...

journal_title：Carcinogenesis

authors： Menezes SV,Fouani L,Huang MLH,Geleta B,Maleki S,Richardson A,Richardson DR,Kovacevic Z

更新日期：2019-07-06 00:00:00