Binding of benzo[a]pyrene metabolites in the rat intestinal lumen by magnetic polyethyleneimine microcapsules following an intragastric dose of [14C]benzo[a]pyrene.

abstract：:Cancer incidence and mortality rates show great variations across nations and between population groups. These variations are largely explained by differences in age distribution, diet and lifestyle, access to health care, cultural barriers and exposure to carcinogens and pathogens. Cancers caused by infections are si...

journal_title：Carcinogenesis

authors： Wallace TA,Martin DN,Ambs S

更新日期：2011-08-01 00:00:00

abstract：:Previous results in a number of laboratories have demonstrated that epidermal papillomas and carcinomas induced by the two-stage protocol of initiation and promotion contain a point mutation in the 61st codon of the c-Ha-ras oncogene when the initiating agent used is 7,12-dimethylbenz[a]anthracene (DMBA). In the prese...

journal_title：Carcinogenesis

authors： Pelling JC,Neades R,Strawhecker J

更新日期：1988-04-01 00:00:00

abstract：:Thymidine kinase (TK), the enzyme in the pyrimidine salvage pathway, and its isozymes were examined in 15 specimens of normal mucosa, 14 polyps and 14 carcinomas in human colon. The average TK activities in colon polyps and carcinomas were about 1.6 and 2.9 times that in normal colon mucosa, respectively. The colon TK...

journal_title：Carcinogenesis

authors： Sakamoto S,Sagara T,Iwama T,Kawasaki T,Okamoto R

更新日期：1985-06-01 00:00:00

abstract：:The E3 ubiquitin ligase EDD is overexpressed in recurrent, platinum-resistant ovarian cancers, suggesting a role in tumor survival and/or platinum resistance. EDD knockdown by small interfering RNA (siRNA) induced apoptosis in A2780ip2, OVCAR5 and ES-2 ovarian cancer cells, correlating with loss of the prosurvival pro...

journal_title：Carcinogenesis

authors： Bradley A,Zheng H,Ziebarth A,Sakati W,Branham-O'Connor M,Blumer JB,Liu Y,Kistner-Griffin E,Rodriguez-Aguayo C,Lopez-Berestein G,Sood AK,Landen CN Jr,Eblen ST

更新日期：2014-05-01 00:00:00

abstract：:1,3-Butadiene (BD), a widely used monomer in the production of synthetic rubber and other resins, is one of the 189 hazardous air pollutants identified in the 1990 Clean Air Act Amendments. BD induces tumors at multiple organ sites in B6C3F1 mice and Sprague-Dawley rats; mice are much more susceptible to the carcinoge...

journal_title：Carcinogenesis

authors： Csanády GA,Guengerich FP,Bond JA

更新日期：1992-07-01 00:00:00

abstract：:E mu-pim-1 transgenic mice, which overexpress the pim-1 oncogene in lymphoid tissues, have shown increased susceptibility to induction of T cell lymphomas by N-ethyl-N-nitrosourea, a direct-acting chemical carcinogen (Nature, 340, 61-63, 1989). We sought to further evaluate E mu-pim-1 transgenic mice as a potential te...

journal_title：Carcinogenesis

authors： Storer RD,Cartwright ME,Cook WO,Soper KA,Nichols WW

更新日期：1995-02-01 00:00:00

abstract：:The reason for different phosphorylation of topoisomerase I in two sublines of L5178Y murine lymphoma (LY cells) was investigated. Camptothecin-resistant LY-S cells show increased poly(ADP-ribose) level and lowered topoisomerase I phosphorylation compared to camptothecin-sensitive LY-R cells. In this study diminished ...

journal_title：Carcinogenesis

authors： Staron K,Kowalska-Loth B,Nieznanski K,Szumiel I

更新日期：1996-03-01 00:00:00

abstract：:Retinoids have been shown to exert an anticarcinogenic effect through suppression of the cell cycle, induction of apoptosis and/or differentiation. In rat liver, in particular, retinoic acid has been shown to inhibit regeneration after partial hepatectomy, most probably through repression of the expression of c-fos an...

journal_title：Carcinogenesis

authors： Ledda-Columbano GM,Pibiri M,Molotzu F,Cossu C,Sanna L,Simbula G,Perra A,Columbano A

更新日期：2004-11-01 00:00:00

abstract：:MicroRNAs (miRNAs) are small non-coding RNAs that are involved in different biological processes by suppressing target gene expression. Altered expression of miR-30a-5p has been reported in colon carcinoma. To elucidate its potential biological role in colon cancer, miR-30a-5p was overexpressed via a lentiviral vector...

journal_title：Carcinogenesis

authors： Baraniskin A,Birkenkamp-Demtroder K,Maghnouj A,Zöllner H,Munding J,Klein-Scory S,Reinacher-Schick A,Schwarte-Waldhoff I,Schmiegel W,Hahn SA

更新日期：2012-04-01 00:00:00

abstract：:The 80%-ethanol extract of lemon grass (Cymbopogon citratus Stapf), a medicinal plant in Thailand, has been reported to be antimutagenic against various known mutagens in the Salmonella mutation assay. To investigate chemoprevention in an animal carcinogenesis model, we examined inhibitory effects of the lemon grass e...

journal_title：Carcinogenesis

authors： Suaeyun R,Kinouchi T,Arimochi H,Vinitketkumnuen U,Ohnishi Y

更新日期：1997-05-01 00:00:00

abstract：:We have shown previously that apoptosis induction by diallyl trisulfide (DATS), a constituent of processed garlic, in PC-3 and DU145 human prostate cancer cells is associated with c-Jun N-terminal kinase and extracellular signal-regulated kinase-mediated phosphorylation of Bcl-2. However, pharmacological inhibition of...

journal_title：Carcinogenesis

authors： Xiao D,Singh SV

更新日期：2006-03-01 00:00:00

abstract：:We previously characterized a clone of CHO cells, clone B, that displayed tolerance to the cytotoxic effects of N-methylnitrosourea (MNU) and 6-thioguanine (6-TG). To determine whether this phenotype affected the mutagenic response of the cells, MNU-induced mutation to 8-azaadenine resistance (8-AAr) was measured in t...

journal_title：Carcinogenesis

authors： Aquilina G,Biondo R,Dogliotti E,Bignami M

更新日期：1993-10-01 00:00:00

abstract：:S-Adenosyl-L-methionine (SAM) is a strong chemopreventive agent of rat liver carcinogenesis. Examination was made to determine whether inhibition by SAM of the development of preneoplastic liver lesions persists to SAM withdrawal in diethylnitrosamine-initiated F344 rats promoted with thiobenzamide (TB). The rats were...

journal_title：Carcinogenesis

authors： Simile MM,Saviozzi M,De Miglio MR,Muroni MR,Nufris A,Pascale RM,Malvaldi G,Feo F

更新日期：1996-07-01 00:00:00

abstract：:The HBL100 cell line, established in vitro from milk of an apparently healthy woman, expresses SV40 large T antigen defective in some of its functions. Here we demonstrate that the HBL100 genomic DNA possesses transforming activity in NIH3T3 cells and that this activity is associated with the viral information. ...

journal_title：Carcinogenesis

authors： Vanhamme L,Szpirer C

更新日期：1988-04-01 00:00:00

abstract：:Ouabain resistance (ouar) and 6-thioguanine resistance (6-TGr) mutation frequencies were measured in Chinese hamster ovary cells after treatment with N-ethyl-N-nitrosourea (ENU) for varying periods of time. Maximal mutation frequency at the Na+/K+ ATPase gene locus (ouar mutations) was attained within 5 min of exposur...

journal_title：Carcinogenesis

authors： Dogliotti E,Vitelli A,Terlizzese M,Di Muccio A,Calcagnile A,Saffiotti U,Bignami M

更新日期：1987-01-01 00:00:00

abstract：:Epidemiological studies have linked consumption of broccoli to a reduced risk of colon cancer in individuals with the glutathione S-transferase M1 (GSTM1) null genotype. GSTs are involved in excretion and elimination of isothiocyanates (ITCs), which are major constituents of broccoli and other cruciferous vegetables a...

journal_title：Carcinogenesis

authors： Chung FL,Conaway CC,Rao CV,Reddy BS

更新日期：2000-12-01 00:00:00

abstract：:Two of the major bacterial mutagens formed in heated meat products, 2-amino-3-methylimidazo[4,5-f]quinoline and 2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline or the basic fraction of beef extract induced a low frequency of sister chromatid exchanges in human lymphocyte cultures in the presence of metabolic activation....

journal_title：Carcinogenesis

authors： Aeschbacher HU,Ruch E

更新日期：1989-03-01 00:00:00

abstract：:Reduced retinyl ester synthesis has been associated with several forms of cancer; we therefore proposed studying melanoma development from the perspective of this biochemical pathway. Cultures of human melanoma cells with fibroblastoid morphology showed negligible retinyl ester synthesis; in sharp contrast, those with...

journal_title：Carcinogenesis

authors： Simmons DP,Andreola F,De Luca LM

更新日期：2002-11-01 00:00:00

abstract：:Carbamoylation reactions of N-methyl-N'-aryl-N-nitrosoureas (I-X: X = -OCH3, -CH3, -H, -Cl, and -COCH3) and of their corresponding phenyl isocyanates (II-X: X = -OCH3, -CH3, -H, -Cl and -COCH3) to the amino group of 5'-amino-5'-deoxythymidine have been kinetically studied in a PBS. The pseudo-first-order rate constant...

journal_title：Carcinogenesis

authors： Yano K

更新日期：1992-04-01 00:00:00

abstract：:Resveratrol is a phytochemical that has been under consideration for use as a prostate cancer chemopreventive agent. However, the efficacy, as well as the mechanisms of action of resveratrol on prostate cancer prevention, remains largely unknown. This study seeks to address these questions and examine the cancer preve...

journal_title：Carcinogenesis

authors： Wang TT,Hudson TS,Wang TC,Remsberg CM,Davies NM,Takahashi Y,Kim YS,Seifried H,Vinyard BT,Perkins SN,Hursting SD

更新日期：2008-10-01 00:00:00

abstract：:The aim of this study has been to define cytotoxic mechanisms that may cause clonal expansion in the liver of pre-carcinogenic cells. An in vitro model, which has been described previously, was used. Hepatocytes were isolated from carcinogen-treated rats and a high proportion of the cells were gamma-glutamyltranspepti...

journal_title：Carcinogenesis

authors： Stenius U,Rubin K,Gullberg D,Högberg J

更新日期：1990-01-01 00:00:00

abstract：:Losses of heterozygosity (LOH) of the short arm of chromosome 19 are frequent in lung cancer, suggesting that one or more tumor suppressor genes are present in this region. The LKB1 gene, also called STK11, is somatically inactivated through point mutations and large deletions in lung tumors, demonstrating that LKB1 i...

journal_title：Carcinogenesis

authors： Rodriguez-Nieto S,Sanchez-Cespedes M

更新日期：2009-04-01 00:00:00

abstract：:Herbacetin is a flavonol compound that is found in plants such as flaxseed and ramose scouring rush herb, it possesses a strong antioxidant capacity, and exerts anticancer effects on colon and breast cancer. However, the effect of herbacetin on skin cancer has not been investigated. Herein, we identified herbacetin as...

journal_title：Carcinogenesis

authors： Kim DJ,Lee MH,Liu K,Lim DY,Roh E,Chen H,Kim SH,Shim JH,Kim MO,Li W,Ma F,Fredimoses M,Bode AM,Dong Z

更新日期：2017-10-26 00:00:00

abstract：:Mutations in genes important for the preservation of genome stability can increase the frequency of gene amplification, a process relevant to tumor development. To investigate whether telomerase, the enzyme deputed to telomere maintenance, also plays a role in gene amplification, we studied the amplification of the ca...

journal_title：Carcinogenesis

authors： Rebuzzini P,Martinelli P,Blasco M,Giulotto E,Mondello C

更新日期：2007-03-01 00:00:00

abstract：:Neuroblastic tumors (NTs) include the neuroblastomas, ganglioneuroblastomas and ganglioneuromas. We have reported previously that the calcium-sensing receptor is expressed in differentiated, favorable NTs but almost undetectable in unfavorable neuroblastomas. We have now detected hypermethylation of a particular regio...

journal_title：Carcinogenesis

authors： Casalà C,Gil-Guiñón E,Ordóñez JL,Miguel-Queralt S,Rodríguez E,Galván P,Lavarino C,Munell F,de Alava E,Mora J,de Torres C

更新日期：2013-02-01 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：:Little is known about the longitudinal course of hepatitis B virus (HBV) load and its relationship with the development of hepatocellular carcinoma (HCC). We conducted a case-cohort study nested within a cohort of 2874 HBV surface antigen-positive male Taiwanese government employees aged 30 years or older. HBV genotyp...

journal_title：Carcinogenesis

authors： Wu CF,Yu MW,Lin CL,Liu CJ,Shih WL,Tsai KS,Chen CJ

更新日期：2008-01-01 00:00:00

abstract：:Recent studies have proposed that exposure to ultraviolet radiation (UVR) protects against development of some internal cancers including that in prostate. This effect may be mediated by UVR-induced cutaneous synthesis of vitamin D. It is also proposed that ability to pigment in response to UVR will influence suscepti...

journal_title：Carcinogenesis

authors： Bodiwala D,Luscombe CJ,French ME,Liu S,Saxby MF,Jones PW,Ramachandran S,Fryer AA,Strange RC

更新日期：2003-04-01 00:00:00

abstract：:The carcinogen N-acetoxy-N-2-acetylaminofluorene reacts with dG and dG-containing nucleotides to give good yields of the C-8 adducts, but the analogous 4-aminobiphenyl derivative does not. Replacement of the N-acetoxy group by 2,6-dichlorobenzoyloxy circumvents this difficulty. This reaction is shown to be generally a...

journal_title：Carcinogenesis

authors： Underwood GR,Price MF,Shapiro R

更新日期：1988-10-01 00:00:00

abstract：:Recent studies have demonstrated that K-ras mutations in lung epithelial cells elicit inflammation that promotes carcinogenesis in mice (intrinsic inflammation). The finding that patients with chronic obstructive pulmonary disease (COPD), an inflammatory disease of the lung, have an increased risk of lung cancer after...

journal_title：Carcinogenesis

authors： Moghaddam SJ,Barta P,Mirabolfathinejad SG,Ammar-Aouchiche Z,Garza NT,Vo TT,Newman RA,Aggarwal BB,Evans CM,Tuvim MJ,Lotan R,Dickey BF

更新日期：2009-11-01 00:00:00