Characterization of an N6-oxopropenyl-2'-deoxyadenosine adduct in malondialdehyde-modified DNA using liquid chromatography/electrospray ionization tandem mass spectrometry.

abstract：:Pretreatment of Fischer 344 rats with the antioxidant ethoxyquin (EQ), followed by administration of aflatoxin B1 (AFB1) in the continuing presence of EQ was used to examine the effect of the antioxidant on liver and kidney. EQ (0.5% in diet) completely prevented the formation of AFB1-induced preneoplastic liver lesio...

journal_title：Carcinogenesis

authors： Manson MM,Green JA,Driver HE

更新日期：1987-05-01 00:00:00

abstract：:The activity of nuclear transcription factors is often regulated by specific kinase-signaling pathways. We have previously shown that the organochlorine pesticide dichlorodiphenyltrichloroethane (DDT) stimulates activator protein-1 activity through the p38 mitogen-activated protein kinase (MAPK). Here, we show that DD...

journal_title：Carcinogenesis

authors： Bratton MR,Frigo DE,Vigh-Conrad KA,Fan D,Wadsworth S,McLachlan JA,Burow ME

更新日期：2009-01-01 00:00:00

abstract：:Silicosis is an inflammatory lung disease induced by the inhalation of silica-containing dust particles. There is conflicting data on whether patients with silicosis are more susceptible to lung cancer induced by cigarette smoke. To examine this issue experimentally, a model was developed in which one of the most abun...

journal_title：Carcinogenesis

authors： Bode C,Kinjo T,Alvord WG,Klinman DM

更新日期：2014-05-01 00:00:00

abstract：:N-Hydroxy-2-acetylaminofluorene (N-OH-AAF), N-hydroxy-4'-fluoro-4-acetylaminobiphenyl (N-OH-FAABP) and N-hydroxy-4-acetylaminobiphenyl (N-OH-AABP) were compared for their initiation and promotion activity in the rat liver using a modified Solt-Farber system. N-OH-AAF, N-OH-FAABP and N-OH-AABP showed comparable initiat...

journal_title：Carcinogenesis

authors： van de Poll ML,van der Hulst DA,Tates AD,Meerman JH

更新日期：1990-02-01 00:00:00

abstract：:Constituents in food and fluids, tobacco chemicals and many drugs are candidates for oral absorption and oxidative metabolism. On this basis, the expression of cytochrome P450 isozymes (CYPs) and the conversion of CYP substrates were analysed in reference to buccal mucosa. A RT-PCR based analysis of human buccal tissu...

journal_title：Carcinogenesis

authors： Vondracek M,Xi Z,Larsson P,Baker V,Mace K,Pfeifer A,Tjälve H,Donato MT,Gomez-Lechon MJ,Grafström RC

更新日期：2001-03-01 00:00:00

abstract：:The measurement of oxidative damage to cellular DNA is a challenging analytical problem requiring highly sensitive and specific methods. In addition, artefactual DNA oxidation during its extraction and subsequent work-up may give rise to overestimated levels of oxidized DNA bases. In the present study, we have used (1...

journal_title：Carcinogenesis

authors： Ravanat JL,Douki T,Duez P,Gremaud E,Herbert K,Hofer T,Lasserre L,Saint-Pierre C,Favier A,Cadet J

更新日期：2002-11-01 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：:A 25mer oligonucleotide containing a single N-(deoxyguanosin-8-yl-)-1-aminopyrene (dGAP), the major DNA adduct formed by reductively activated 1-nitropyrene, was synthesized. The adduct was located at nucleotide 21 from the 3' end. DNA synthesis on this template by human DNA polymerases alpha and beta, HIV reverse tra...

journal_title：Carcinogenesis

authors： Vyas RR,Basu AK

更新日期：1995-04-01 00:00:00

abstract：:Low vitamin E and selenium (Ve/Se) nutritional status is known to be associated with increased risk of esophageal squamous cell carcinoma (ESCC). A previous human intervention trial demonstrated that Ve/Se supplementation decreased the occurrence of esophageal cancer death among younger participants but not among olde...

journal_title：Carcinogenesis

authors： Yang H,Fang J,Jia X,Han C,Chen X,Yang CS,Li N

更新日期：2011-03-01 00:00:00

abstract：:Thioredoxin-1 is a low molecular weight redox protein that protects cells against oxidant damage. Thioredoxin-1 levels are increased in the epidermal layer of sun-damaged human skin. Thioredoxin-1 levels are also increased in several human primary tumors where its expression is associated with increased tumor cell pro...

journal_title：Carcinogenesis

authors： Mustacich D,Wagner A,Williams R,Bair W,Barbercheck L,Stratton SP,Bhattacharyya AK,Powis G

更新日期：2004-10-01 00:00:00

abstract：:Amarogentin, a secoiridoid glycoside, is an active component of the medicinal plant Swertia chirata. In this study, chemopreventive and chemotherapeutic actions of amarogentin were evaluated in a carbon tetrachloride (CCl(4))/N-nitrosodiethylamine (NDEA)-induced liver carcinogenesis mouse model system during continuou...

journal_title：Carcinogenesis

authors： Pal D,Sur S,Mandal S,Das A,Roy A,Das S,Panda CK

更新日期：2012-12-01 00:00:00

abstract：:Metastasis-supporting physiological alterations are regulated by cell signaling molecules, which target signal transduction pathways and gene expression. Osteopontin (OPN) overexpression may represent a key molecular event in cancer metastasis. In this study, using metastatic 4T1 and non-metastatic 4T07 murine mammary...

journal_title：Carcinogenesis

authors： Mi Z,Guo H,Wai PY,Gao C,Kuo PC

更新日期：2006-06-01 00:00:00

abstract：:Recent evidence demonstrates the existence of diversified microbiota in the lung. However, the effect of lung carcinogenesis on the flora in lung microenvironment has yet not been well investigated. In this study, we surveyed the microbial composition and diversity in lung tumor and paired adjacent normal tissues obta...

journal_title：Carcinogenesis

authors： Mao Q,Ma W,Wang Z,Liang Y,Zhang T,Yang Y,Xia W,Jiang F,Hu J,Xu L

更新日期：2020-08-12 00:00:00

abstract：:The metabolism of benzo[a]pyrene (BP) in cultured human epidermal keratinocytes was investigated using thin layer chromatography, high pressure liquid chromatography and cell-mediated mutagenesis assay. Epidermal keratinocytes were obtained from skin of normal subjects and all experiments were performed on primary cul...

journal_title：Carcinogenesis

authors： Kuroki T,Nemoto N,Kitano Y

更新日期：1980-07-01 00:00:00

abstract：:We describe studies to determine if susceptibility to pituitary tumours is associated with the putatively high risk GSTM1 null and CYP2D6 EM genotypes. Frequency distributions of these genotypes were similar in cases and controls though the frequency of CYP2D6 PM and GSTM1 B tended to be lower (P = 0.072 and P = 0.095...

journal_title：Carcinogenesis

authors： Perrett CW,Clayton RN,Pistorello M,Boscaro M,Scanarini M,Bates AS,Buckley N,Jones P,Fryer AA,Gilford J

更新日期：1995-07-01 00:00:00

abstract：:The most potent carcinogen of the cyclopenta[a]phenanthrene series, 15, 16-dihydro-11-methylcyclopenta[a]phenanthren-17-one and its non-carcinogenic, unmethylated parent compound, were compared for their abilities to induce micronuclei in epidermal keratinocytes after application onto the dorsal skin of Skh/HR-1 hairl...

journal_title：Carcinogenesis

authors： Baker RS,Bonin AM,Arlauskas A,He S,Coombs MM

更新日期：1992-03-01 00:00:00

abstract：:Wildtype 10T1/2 cells and 42 clonally derived morphologically transformed 10T1/2 cell lines were evaluated for expression of p53 mRNA and protein. Wildtype 10T1/2 cells expressed detectable levels of p53 mRNA and multiple immunologically distinct forms of the p53 protein, including both PAb240- and PAb246-reactive con...

journal_title：Carcinogenesis

authors： Coleman WB,Grisham JW,Smith GJ

更新日期：1994-02-01 00:00:00

abstract：:This study is focused on chemical induction of lung tumors in xeroderma pigmentosum group A gene (XPA)-deficient mice to clarify the role of nucleotide excision repair (NER) in internal organs. Six-week-old female XPA-/-, XPA(+/-) and XPA(+/+) mice were instilled intratracheally with benzo[a] pyrene (B[a]P). A total o...

journal_title：Carcinogenesis

authors： Ide F,Iida N,Nakatsuru Y,Oda H,Tanaka K,Ishikawa T

更新日期：2000-06-01 00:00:00

abstract：:Oxidative DNA damage may be implicated in ageing, carcinogenesis and other degenerative diseases. Oxidative DNA damage can be assessed in humans in vivo from the urinary excretion of the DNA-repair product 8-hydroxydeoxyguanosine (8OHdG). We investigated factors influencing the excretion of 8OHdG in 24 h urine from 83...

journal_title：Carcinogenesis

authors： Loft S,Vistisen K,Ewertz M,Tjønneland A,Overvad K,Poulsen HE

更新日期：1992-12-01 00:00:00

abstract：:In order to determine the nature of the cytotoxic lesion(s) formed by the antitumour drugs cisplatin and carboplatin, a comparative study was made of bifunctional DNA-adduct formation by these drugs. The kinetics of bifunctional cisplatin adduct formation were studied with DNA in vitro and in cultured Chinese hamster ...

journal_title：Carcinogenesis

authors： Fichtinger-Schepman AM,van Dijk-Knijnenburg HC,van der Velde-Visser SD,Berends F,Baan RA

更新日期：1995-10-01 00:00:00

abstract：:Celastrol is an anti-inflammatory natural triterpenoid, isolated from the herb Tripterygium wilfordii or thunder god vine. Here, we define mechanisms mediating anti-inflammatory activity of celastrol and demonstrate efficacy of a dietary celastrol supplement for chemoprevention of inflammation-driven carcinogenesis in...

journal_title：Carcinogenesis

authors： Barker EC,Kim BG,Yoon JH,Tochtrop GP,Letterio JJ,Choi SH

更新日期：2018-01-12 00:00:00

abstract：:In the present study the modulating effects of dietary fish oil (MaxEPA) on unsaturated fat-promoted pancreatic carcinogenesis in azaserine-treated rats were investigated. Three groups of 20 rats (each group comprised five saline-treated and 15 azaserine-treated animals) were fed an AIN76-based purified diet containin...

journal_title：Carcinogenesis

authors： Appel MJ,Woutersen RA

更新日期：1994-10-01 00:00:00

abstract：:Aromatic DNA adducts in total white blood cells, cytochrome P450 (CYP) class 1A1 and glutathione transferase (GST1) class mu genotypes and micronuclei in T- and B-lymphocytes were studied in 69 full-time chimney sweeps and 35 controls, all male subjects. The sweeps had a higher (22%) but statistically non-significant ...

journal_title：Carcinogenesis

authors： Ichiba M,Hagmar L,Rannug A,Högstedt B,Alexandrie AK,Carstensen U,Hemminki K

更新日期：1994-07-01 00:00:00

abstract：:Current procedures for diagnosis and biomarker examination of colorectal cancer (CRC) are invasive and unpleasant. There is a great need to identify sensitive and specific biomarkers for early diagnosis of CRC. Circulating microRNAs (miRNAs) are promising molecular markers for CRC prediction. We performed a comprehens...

journal_title：Carcinogenesis

authors： Du M,Liu S,Gu D,Wang Q,Zhu L,Kang M,Shi D,Chu H,Tong N,Chen J,Adams TS,Zhang Z,Wang M

更新日期：2014-12-01 00:00:00

abstract：:Cytochrome P450 1B1 (CYP1B1) is an enzyme that has a unique tumor-specific pattern of expression and is capable of bioactivating a wide range of carcinogenic compounds. We have reported previously that coordinated upregulation of CYP1B1 by inflammatory cytokines, such as tumor necrosis factor-α (TNF-α) and the aryl hy...

journal_title：Carcinogenesis

authors： Smerdová L,Šmerdová J,Kabátková M,Kohoutek J,Blažek D,Machala M,Vondráček J

更新日期：2014-11-01 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：:Despite advances in detection and treatment for breast cancer (BC), recurrence and death rates remain unacceptably high. Therefore, more convenient diagnostic and prognostic methods still required to optimize treatments among the patients. Here, we report the clinical significance of the serum cathepsin E (CatE) activ...

journal_title：Carcinogenesis

authors： Kawakubo T,Yasukochi A,Toyama T,Takahashi S,Okamoto K,Tsukuba T,Nakamura S,Ozaki Y,Nishigaki K,Yamashita H,Yamamoto K

更新日期：2014-03-01 00:00:00

abstract：:The mapping near Kras2 of pulmonary adenoma susceptibility 1 (Pas1), a major locus affecting inherited predisposition to lung cancer in mice prompted us to test the homologous human region (12p12) for association with lung adenocarcinoma, by a population-based study. We genotyped 213 lung adenocarcinoma patients and 2...

journal_title：Carcinogenesis

authors： Manenti G,De Gregorio L,Pilotti S,Falvella FS,Incarbone M,Ravagnani F,Pierotti MA,Dragani TA

更新日期：1997-10-01 00:00:00

abstract：:Ataxia-telangiectasia (A-T), which is due to mutations in the ATM gene, is a rare autosomal recessive genomic instability syndrome characterized by radiosensitivity and predisposition to cancer. Epidemiological studies have suggested that relatives of A-T patients (A-T carriers) have increased risks of developing brea...

journal_title：Carcinogenesis

authors： Lu S,Shen K,Wang Y,Santner SJ,Chen J,Brooks SC,Wang YA

更新日期：2006-04-01 00:00:00

abstract：:The glutathione transferases (GST) belonging to class pi are primarily responsible for the intracellular detoxification of the highly mutagenic and carcinogenic compound (+)-7 beta, 8 alpha-dihydroxy-9 alpha, 10 alpha-oxy-7,8,9,10-tetrahydrobenzo[a]pyrene (BPDE). The aim of the present investigation was to study the n...

journal_title：Carcinogenesis

authors： Swedmark S,Romert L,Morgenstern R,Jenssen D

更新日期：1992-10-01 00:00:00