Genotoxic effects of intragastrically administered benzo[a]pyrene in rat liver and intestinal cells.

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：:Despite significant research, our understanding of the molecular mechanisms of Human Papilloma Virus (HPV) induced cancers remains incomplete. Majority of invasive cervical cancers are caused by high-risk HPV 16 and 18. Two potent HPV oncoproteins, E6 and E7, promote human malignancies by disrupting the activities of ...

journal_title：Carcinogenesis

authors： Chand V,John R,Jaiswal N,Johar SS,Nag A

更新日期：2014-08-01 00:00:00

abstract：:Fish or vegetable oils were fed during the promotion stage of a mouse skin carcinogenesis model in order to investigate the effects of dietary fat on tumor development. Two weeks after initiation with 10 nmol dimethylbenz[a]anthracene, SENCAR mice were divided into five groups and maintained on one of the following se...

journal_title：Carcinogenesis

authors： Locniskar M,Belury MA,Cumberland AG,Patrick KE,Fischer SM

更新日期：1991-06-01 00:00:00

abstract：:Wnt signaling plays a central role in mammary stem cell (MaSC) homeostasis and in breast cancer. In particular, epigenetic alterations at different members of the Wnt pathway have been identified among triple-negative, basal-like breast cancers. Previously, we developed a mouse model for metaplastic breast adenocarcin...

journal_title：Carcinogenesis

authors： Monteiro J,Gaspar C,Richer W,Franken PF,Sacchetti A,Joosten R,Idali A,Brandao J,Decraene C,Fodde R

更新日期：2014-01-01 00:00:00

abstract：:Mevastatin is an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase, the rate-limiting enzyme in cholesterol synthesis. Butyrate, a short-chain fatty acid, reduces proliferation and induces differentiation of human colon cancer cells. The aim of our study was to determine the effect of mevastatin, ...

journal_title：Carcinogenesis

authors： Wächtershäuser A,Akoglu B,Stein J

更新日期：2001-07-01 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：:We have compared the regulation of ornithine decarboxylase (ODC) gene expression in primary cultures of hamster embryo fibroblasts and in two independently transformed hamster embryo cell lines. Previous studies have demonstrated that 12-O-tetradecanoylphorbol-13-acetate (TPA) can greatly potentiate the serum growth f...

journal_title：Carcinogenesis

authors： Gilmour SK,O'Brien TG

更新日期：1989-01-01 00:00:00

abstract：:The 32P-postlabeling method has been adapted for the analysis of thymidine-cis-glycol-3'-phosphate (cis-dTGp,cis-5,6-dihydroxy-5,6-dihydrothymidine-3'-phosphat e). Cis-dTGp was isolated and purified from normal nucleotides by phenylboronate affinity chromatography and phosphorylated by T4 polynucleotide kinase in pres...

journal_title：Carcinogenesis

authors： Hegi ME,Sagelsdorff P,Lutz WK

更新日期：1989-01-01 00:00:00

abstract：:Inactivation of the adenomatous polyposis coli (Apc) gene by loss of the wild-type Apc allele (LOH) is a prerequisite for the development of intestinal adenomas in Msh2 proficient Min (Apc+/-Msh2+/+) mice. In contrast, adenomas from Msh2 deficient Min (Apc+/-Msh2-/-) mice are not usually associated with LOH. Given the...

journal_title：Carcinogenesis

authors： Sohn KJ,Choi M,Song J,Chan S,Medline A,Gallinger S,Kim YI

更新日期：2003-02-01 00:00:00

abstract：:High intake of red meat is associated with an increased risk of colon cancer. It has been suggested that fat from red meat is responsible, because high fat intake increases the concentration of cytotoxic lipids in the colon. Experimental studies have not unequivocally supported such a role for fat, however. Recently, ...

journal_title：Carcinogenesis

authors： Sesink AL,Termont DS,Kleibeuker JH,Van Der Meer R

更新日期：2000-10-01 00:00:00

abstract：:Oltipraz (4-methyl-5-(2-pyrazinyl)-1,2-dithiole-3-thione) (OPZ) is recognized as a potent chemoprotective agent against chemical-induced carcinogenesis in several animal models and is thought to act mainly by inducing phase II conjugating together with inhibiting phase I detoxication enzymes. The present study was und...

journal_title：Carcinogenesis

authors： Antras-Ferry J,Mahéo K,Chevanne M,Dubos MP,Morel F,Guillouzo A,Cillard P,Cillard J

更新日期：1997-11-01 00:00:00

abstract：:We have examined both the initial nuclease sensitivity and subsequent nucleosome rearrangement of newly repaired regions of chromatin in human diploid fibroblasts treated with methyl methanesulfonate (MMS) and methylnitrosourea (MNU). We initially examined the effect of these two alkylating agents on DNA replicative s...

journal_title：Carcinogenesis

authors： Sidik K,Smerdon MJ

更新日期：1984-02-01 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 Wnt-beta-catenin pathway plays a central role in colorectal tumorigenesis. Frizzled-related protein (FRZB, also termed secreted frizzled-related protein 3, sFRP3) antagonizes the signaling of wingless (Wnt) ligands through the frizzled membrane-bound receptors, resulting in beta-catenin destabilization thereby sup...

journal_title：Carcinogenesis

authors： Shanmugam KS,Brenner H,Hoffmeister M,Chang-Claude J,Burwinkel B

更新日期：2007-09-01 00:00:00

abstract：:The experiments reported in this study were designed to examine the question of whether a mammary epithelial cell's independence from hormonal requirements is established at the time of carcinogenic initiation, or whether the emergence of hormone independence is associated with the process of tumor progression. A newl...

journal_title：Carcinogenesis

authors： Thompson HJ,McGinley J,Rothhammer K,Singh M

更新日期：1998-03-01 00:00:00

abstract：:Cytochrome P4501A1 (CYP1A1) has been implicated in the conversion of numerous polycyclic aromatic hydrocarbons into electrophilic species capable of binding covalently to DNA and has therefore been postulated to be involved in the initiation of carcinogenesis. The expression of CYP1A1 protein appears not to be constit...

journal_title：Carcinogenesis

authors： Drahushuk AT,McGarrigle BP,Larsen KE,Stegeman JJ,Olson JR

更新日期：1998-08-01 00:00:00

abstract：:Cancer is a leading cause of death worldwide and environmental factors, including chemicals, have been suggested as major etiological incitements. Cancer statistics indicates that men get more cancer than women. However, differences in the known risk factors including life style or occupational exposure only offer par...

journal_title：Carcinogenesis

authors： Ali I,Högberg J,Hsieh JH,Auerbach S,Korhonen A,Stenius U,Silins I

更新日期：2016-10-01 00:00:00

abstract：:TMPRSS4 is a novel type II transmembrane serine protease that is highly expressed on the cell surface in pancreatic, thyroid and other cancer tissues, although its oncogenic significance and molecular mechanisms are unknown. Previously, we have shown that TMPRSS4 promotes invasion, migration and metastasis of human tu...

journal_title：Carcinogenesis

authors： Kim S,Kang HY,Nam EH,Choi MS,Zhao XF,Hong CS,Lee JW,Lee JH,Park YK

更新日期：2010-04-01 00:00:00

abstract：:Studies with experimental animals indicate that acetaldehyde, the first metabolite of ethanol that is microbially formed in the colonic lumen, may play a role in ethanol-associated colorectal co-carcinogenesis. Although intracoIonic acetaldehyde concentrations are highest during the metabolism of exogenous ethanol, so...

journal_title：Carcinogenesis

authors： Koivisto T,Salaspuro M

更新日期：1998-11-01 00:00:00

abstract：:Androgens and estrogens may play a role in gastric cancer etiology. To investigate the association of gastric cancer with single-nucleotide polymorphisms (SNPs) in six genes (COMT, CYP1B1, CYP17A1, CYP19A1, HSD17B1 and SHBG) involved in estrogen and androgen synthesis and metabolism, 58 haplotype-tagging SNPs were gen...

journal_title：Carcinogenesis

authors： Freedman ND,Ahn J,Hou L,Lissowska J,Zatonski W,Yeager M,Chanock SJ,Chow WH,Abnet CC

更新日期：2009-01-01 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：:Effects of tamoxifen (TAM) on development of uterine endometrial carcinogenesis were studied in intact and ovariectomized (OVX) mice initiated with N-ethyl-N'-nitro-N-nitrosoguanidine (ENNG). In experiment I, animals were implanted with cholesterol (ChL, controls) or TAM (5% w/w) and/or 17beta-oestradiol (E(2), 0.5% w...

journal_title：Carcinogenesis

authors： Takahashi M,Shimomoto T,Miyajima K,Iizuka S,Watanabe T,Yoshida M,Kurokawa Y,Maekawa A

更新日期：2002-09-01 00:00:00

abstract：:The p53 gene was examined for point mutations in archived, alpha-radiation-associated lung and liver cancers. Lung tumors of 50 uranium miners in Germany were screened by restriction fragment length analysis for the putative hotspot mutation at codon 249 (Arg-->Met) previously detected in a significant fraction of min...

journal_title：Carcinogenesis

authors： Hollstein M,Bartsch H,Wesch H,Kure EH,Mustonen R,Mühlbauer KR,Spiethoff A,Wegener K,Wiethege T,Müller KM

更新日期：1997-03-01 00:00:00

abstract：:Bone metastasis in patient with advanced-stage prostate cancer, the most commonly diagnosed malignancy in Western countries, increases the risk of intractable bone pain. The nephroblastoma overexpressed (NOV/CCN3) gene, a member of the CCN gene family, is responsible for the secretion of CCN3, a matrix-associated prot...

journal_title：Carcinogenesis

authors： Chen PC,Cheng HC,Tang CH

更新日期：2013-07-01 00:00:00

abstract：:The fetus and neonate are sensitive targets for chemically induced carcinogenesis. Few studies have examined the risk/benefit of chemoprotective phytochemicals, given in the maternal diet, against transplacental carcinogenesis. In this study, B6129 SF1/J (AHR(b-1/d)) and 129Sv/ImJ (AHR(d/d)) mice were cross-bred. The ...

journal_title：Carcinogenesis

authors： Yu Z,Mahadevan B,Löhr CV,Fischer KA,Louderback MA,Krueger SK,Pereira CB,Albershardt DJ,Baird WM,Bailey GS,Williams DE

更新日期：2006-10-01 00:00:00

abstract：:Human cancers are often associated with numerical and structural chromosomal instability. Structural chromosomal aberrations (CAs) in peripheral blood lymphocytes (PBL) arise as consequences of direct DNA damage or due to replication on a damaged DNA template. In both cases, DNA repair is critical and inter-individual...

journal_title：Carcinogenesis

authors： Vodicka P,Musak L,Frank C,Kazimirova A,Vymetalkova V,Barancokova M,Smolkova B,Dzupinkova Z,Jiraskova K,Vodenkova S,Kroupa M,Osina O,Naccarati A,Palitti F,Försti A,Dusinska M,Vodickova L,Hemminki K

更新日期：2015-11-01 00:00:00

abstract：:MicroRNAs (miRNAs) are small non-coding RNA molecules that are often located in genomic breakpoint regions and can act as oncogenes or tumor suppressor genes in human cancer. Our previous study showed that microRNA-423 (miR-423), which localized to the frequently amplified region of chromosome 17q11, was upregulated i...

journal_title：Carcinogenesis

authors： Lin J,Huang S,Wu S,Ding J,Zhao Y,Liang L,Tian Q,Zha R,Zhan R,He X

更新日期：2011-11-01 00:00:00

abstract：:Food-derived aminoimidazoazarenes have been shown to be mutagenic and carcinogenic and to form covalent DNA adducts. 32P-Post-labelling analysis of DNA modified with these heterocyclic amines (HA), including 2-amino-3-methyl-imidazo[4,5-f]quinoline (IQ), 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), 2-amino-...

journal_title：Carcinogenesis

authors： Pfau W,Brockstedt U,Söhren KD,Marquardt H

更新日期：1994-05-01 00:00:00

abstract：:The karyopherin β proteins are involved in nuclear-cytoplasmic trafficking and are crucial for protein and RNA subcellular localization. We previously showed that Kpnβ1, a nuclear importin protein, is overexpressed in cervical cancer and is critical for cervical cancer cell survival and proliferation, whereas non-canc...

journal_title：Carcinogenesis

authors： Angus L,van der Watt PJ,Leaner VD

更新日期：2014-05-01 00:00:00

abstract：:Using an 18 week two-stage protocol we have compared the tumour-promoting properties of a range of phorbol and daphnane esters on female CD-1 mice. The induction of epidermal hyperplasia in this mouse strain by these compounds has also been assessed by comparison with the standard phorbol ester, 12-O-tetradecanoylphor...

journal_title：Carcinogenesis

authors： Brooks G,Evans AT,Aitken A,Evans FJ

更新日期：1989-02-01 00:00:00