Bacterial formation of N-nitroso compounds from administered precursors in the rat stomach after omeprazole-induced achlorhydria.

abstract：:In light of clinical and biological evidence that bile constituents exert preventive effects against colorectal cancer, we evaluated the influence of oral bilirubin and sodium taurocholate (NaTC) on intestinal tumor formation in APC(Min/+) mice. Mice received bilirubin and/or bovine serum albumin (BSA) and NaTC in the...

journal_title：Carcinogenesis

authors： Smith DL,Keshavan P,Avissar U,Ahmed K,Zucker SD

更新日期：2010-06-01 00:00:00

abstract：:The present study was aimed at verifying the occurrence, if any, of in vivo oxidative DNA damage in FA homozygotes, their parents and siblings. 8-Hydroxy-2'-deoxyguanosine (8-OHdG) was measured, by HPLC/EC, in DNA from circulating blood leucocytes from FA homozygotes and their relatives and compared with a group of pa...

journal_title：Carcinogenesis

authors： Degan P,Bonassi S,De Caterina M,Korkina LG,Pinto L,Scopacasa F,Zatterale A,Calzone R,Pagano G

更新日期：1995-04-01 00:00:00

abstract：:Low selenium (Se) status correlates with increased risk of colorectal cancer (CRC). Since Se exerts its biological roles through the selenoproteins, genetic variations in selenoprotein genes may influence susceptibility to CRC. This study analysed 12 single-nucleotide polymorphisms (SNPs) in selenoprotein genes [gluta...

journal_title：Carcinogenesis

authors： Méplan C,Hughes DJ,Pardini B,Naccarati A,Soucek P,Vodickova L,Hlavatá I,Vrána D,Vodicka P,Hesketh JE

更新日期：2010-06-01 00:00:00

abstract：:There is some epidemiological support for a protective influence of omega-3 fatty acids against prostate cancer. We wanted to explore whether omega-3 polyunsaturated fatty acids such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) can affect androgen receptor function in prostate cancer cells. Our study ...

journal_title：Carcinogenesis

authors： Chung BH,Mitchell SH,Zhang JS,Young CY

更新日期：2001-08-01 00:00:00

abstract：:The localization of benzo[a]pyrene-deoxyguanosine adducts was studied by indirect immunofluorescence in cultured BALB/c epidermal cells exposed to (+/-) 7 alpha, 8 alpha-dihydroxy-9 alpha, 10 alpha-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene (the anti-isomer) utilizing an antiserum specific for the major benzo[a]pyrene-de...

journal_title：Carcinogenesis

authors： Poirier MC,Stanley JR,Beckwith JB,Weinstein IB,Yuspa SH

更新日期：1982-01-01 00:00:00

abstract：:The effect of the protease inhibitor antipain (1.25 micrograms/ml) on the radiation-induced expression of a tumor-associated antigen in human cell hybrids has been investigated. A variety of treatment protocols have been studied where antipain was present before, during and at various times post-irradiation. It was fo...

journal_title：Carcinogenesis

authors： Sun C,Colman M,Redpath JL

更新日期：1988-12-01 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：:FEZ1/LZTS1 is a tumor suppressor gene that is frequently altered in human cancers of different histotypes. We have reported previously that LZTS1 is downregulated in high-grade bladder cancer and that its restoration suppresses tumorigenicity in urothelial carcinoma cells. To further investigate the role of LZTS1 in t...

journal_title：Carcinogenesis

authors： Baffa R,Fassan M,Sevignani C,Vecchione A,Ishii H,Giarnieri E,Iozzo RV,Gomella LG,Croce CM

更新日期：2008-04-01 00:00:00

abstract：:An important issue in current oncological research is prevention as well as early detection of cancer. This includes also the difficulty to predict the progression of early or pre-cancerous lesions to invasive cancer. In this context, the characterization and categorization of pre-neoplastic lesions of squamous cell c...

journal_title：Carcinogenesis

authors： Wittenborn J,Weikert L,Hangarter B,Stickeler E,Maurer J

更新日期：2020-12-31 00:00:00

abstract：:The effect of glucose on the formation of the food mutagen PhIP (2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine) was studied in a model system. When a mixture of creatine (0.9 mmol), phenylalanine (0.9 mmol) and glucose (0.45 mmol) was heated in diethylene glycol and water (3 ml, 5:1) for 10 min at 180 or 225 degrees...

journal_title：Carcinogenesis

authors： Skog K,Jägerstad M

更新日期：1991-12-01 00:00:00

abstract：:A mismatch between metabolic demand and oxygen delivery leads to microenvironmental changes in solid tumors. The resulting tumor hypoxia is associated with malignant progression, therapy resistance and poor prognosis. However, the molecular mechanisms underlying therapy resistance in hypoxic tumors are not fully under...

journal_title：Carcinogenesis

authors： Wirthner R,Wrann S,Balamurugan K,Wenger RH,Stiehl DP

更新日期：2008-12-01 00:00:00

abstract：:Low-carbohydrate diets have become a popular approach for weight loss in recent years. However, whether low-carbohydrate diets are associated with the risk of pancreatic cancer remains to be elucidated. Hence, we examined the association of low-carbohydrate diets with the risk of pancreatic cancer in a US population. ...

journal_title：Carcinogenesis

authors： Zhong GC,Li QJ,Yang PF,Wang YB,Hao FB,Wang K,Hu JJ,Wu JJ

更新日期：2021-01-22 00:00:00

abstract：:Previous research suggests that far upstream element-binding protein 1 (FUBP1) plays an important role in various tumors including epatocellular carcinoma (HCC). However, the role of FUBP1 in liver cancer remains controversial, and the regulatory pathway by FUBP1 awaits to be determined. This study aims to identify th...

journal_title：Carcinogenesis

authors： Fu PY,Hu B,Ma XL,Tang WG,Yang ZF,Sun HX,Yu MC,Huang A,Hu JW,Zhou CH,Fan J,Xu Y,Zhou J

更新日期：2020-07-14 00:00:00

abstract：:The effects of alternating ad libitum feeding and 30% restriction of the dietary intake on the development of diethylnitrosamine (DEN)-induced hepatic neoplasia were investigated. Dietary restriction retarded the growth of glucose-6-phosphatase-deficient (G6Pd) preneoplastic foci and subsequently that of hepatocellula...

journal_title：Carcinogenesis

authors： Lagopoulos L,Sunahara GI,Würzner H,Dombrowsky I,Stalder R

更新日期：1991-02-01 00:00:00

abstract：:DNA double-strand break (DSB) repair is an important mechanism underlying chemotherapy resistance in human cancers. Dicer participates in DSB repair by facilitating homologous recombination. However, whether Dicer is involved in non-homologous end joining (NHEJ) remains unknown. Here, we addressed whether Dicer regula...

journal_title：Carcinogenesis

authors： Chen X,Li WF,Wu X,Zhang HC,Chen L,Zhang PY,Liu LY,Ma D,Chen T,Zhou L,Xu Y,Zhou MT,Tang KF

更新日期：2017-09-01 00:00:00

abstract：:Syrian hamster embryo cells were treated with crocidolite asbestos at a dose (1 microgram/cm2) which was shown in previous studies to induce cell transformation and aneuploidy in these cells. Treatment of cells with asbestos induced a greater than 20-fold increase in the incidence of cells in anaphase with abnormaliti...

journal_title：Carcinogenesis

authors： Hesterberg TW,Barrett JC

更新日期：1985-03-01 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 purpose of this work was to study the relative activities and stabilities of phase-I and phase-II drug metabolizing enzymes in incubation mixtures used in vitro genotoxicity testing in order to optimize the conditions of the assay, increase sensitivity and eliminate false negative results. Cytochrome P-450, NADPH-...

journal_title：Carcinogenesis

authors： Paolini M,Tonelli F,Bauer C,Corsi C,Bronzetti G

更新日期：1987-09-01 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：:Chemical carcinogens are generally activated enzymatically to electrophiles that form covalently bound carcinogen-DNA adducts. Detoxifying enzymes are competing with the activating enzymes for these procarcinogenic chemical substrates. Wide person-to-person variations in these two types of enzymatic activities are fou...

journal_title：Carcinogenesis

authors： Harris CC

更新日期：1989-09-01 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：:Genetically based differences in metabolism, related to MspI restriction site and Ile-Val polymorphisms of the cytochrome P450 (CYP) 1A1 gene and the null genotype of glutathione transferase class mu (GSTM1), have been reported to be associated with lung cancer susceptibility. The present study was set up to establish...

journal_title：Carcinogenesis

authors： Alexandrie AK,Sundberg MI,Seidegård J,Tornling G,Rannug A

更新日期：1994-09-01 00:00:00

abstract：:Genotoxic carcinogens, including 2-acetylaminofluorene (2-AAF), in addition to exerting their genotoxic effects, often cause a variety of non-genotoxic alterations in cells. It is believed that these non-genotoxic effects may be indispensable events in tumorigenesis; however, there is insufficient knowledge to clarify...

journal_title：Carcinogenesis

authors： Bagnyukova TV,Tryndyak VP,Montgomery B,Churchwell MI,Karpf AR,James SR,Muskhelishvili L,Beland FA,Pogribny IP

更新日期：2008-03-01 00:00:00

abstract：:Co-exposure to cadmium, cobalt, lead and other heavy metals occurs in many occupational settings, such as pigment and batteries production, galvanization and recycling of electric tools. However, little is known about interactions between several heavy metals. In the present study we determined DNA single strand break...

journal_title：Carcinogenesis

authors： Hengstler JG,Bolm-Audorff U,Faldum A,Janssen K,Reifenrath M,Götte W,Jung D,Mayer-Popken O,Fuchs J,Gebhard S,Bienfait HG,Schlink K,Dietrich C,Faust D,Epe B,Oesch F

更新日期：2003-01-01 00:00:00

abstract：:N2-ethylidene-2'-deoxyguanosine (N2-ethylidene-dG) is a major DNA adduct induced by acetaldehyde. Although it is unstable in the nucleoside form, it is relatively stable when present in DNA. In this study, we analyzed three acetaldehyde-derived DNA adducts, N2-ethylidene-dG, N2-ethyl-2'-deoxyguanosine (N2-Et-dG) and a...

journal_title：Carcinogenesis

authors： Matsuda T,Matsumoto A,Uchida M,Kanaly RA,Misaki K,Shibutani S,Kawamoto T,Kitagawa K,Nakayama KI,Tomokuni K,Ichiba M

更新日期：2007-11-01 00:00:00

abstract：:An antimutagenic compound was isolated from the leaves of Carmona retusa (Vahl) Masam. Its structure has been elucidated by spectral analysis to be 4-hydroxy-7,8,11,12,15,7',8',11',12',15'-decahydro-beta, psi-carotene. The results of the Micronucleus Test, an in vivo method, showed that the isolated antimutagenic comp...

journal_title：Carcinogenesis

authors： Villaseñor IM,Edu DA,Bremner JB

更新日期：1993-01-01 00:00:00

abstract：:Colorectal tumors are continuously exposed to an inflammatory environment, which together with mitogenic signals sustain several cancer hallmarks. Nuclear factor-kappa B (NFκB) is a major regulator of inflammation and variation in NFκB-associated genes could potentially be used as biomarkers to identify patients with ...

journal_title：Carcinogenesis

authors： Ungerbäck J,Belenki D,Jawad ul-Hassan A,Fredrikson M,Fransén K,Elander N,Verma D,Söderkvist P

更新日期：2012-11-01 00:00:00

abstract：:Genome-wide association studies (GWAS) have identified 58 susceptibility alleles across 37 regions associated with the risk of colorectal cancer (CRC) with P < 5×10(-8) Most studies have been conducted in non-Hispanic whites and East Asians; however, the generalizability of these findings and the potential for ethnic-...

journal_title：Carcinogenesis

authors： Schmit SL,Schumacher FR,Edlund CK,Conti DV,Ihenacho U,Wan P,Van Den Berg D,Casey G,Fortini BK,Lenz HJ,Tusié-Luna T,Aguilar-Salinas CA,Moreno-Macías H,Huerta-Chagoya A,Ordóñez-Sánchez ML,Rodríguez-Guillén R,Cruz-Bautista I

更新日期：2016-06-01 00:00:00

abstract：UNLABELLED:Neurotrophic factors possess an emerging role in the pathophysiology of several gastrointestinal disorders, regulating innervation, pain sensation and disease-associated neuroplasticity. Here, we aimed at characterizing the role of the neurotrophic factor neurturin (NRTN) and its receptor glial-cell-line-der...

journal_title：Carcinogenesis

authors： Wang K,Demir IE,D'Haese JG,Tieftrunk E,Kujundzic K,Schorn S,Xing B,Kehl T,Friess H,Ceyhan GO

更新日期：2014-01-01 00:00:00

abstract：:Base excision repair (BER) and nucleotide excision repair (NER) pathways repair damaged DNA, and polymorphisms in these genes might affect breast cancer susceptibility. We evaluated associations between seven single-nucleotide polymorphisms in four DNA repair genes (ERCC4 rs1799801, XPC rs2227998, rs2228001, rs2228000...

journal_title：Carcinogenesis

authors： Roberts MR,Shields PG,Ambrosone CB,Nie J,Marian C,Krishnan SS,Goerlitz DS,Modali R,Seddon M,Lehman T,Amend KL,Trevisan M,Edge SB,Freudenheim JL

更新日期：2011-08-01 00:00:00