The relationship between 1,2-dimethylhydrazine dose and the induction of colon tumours: tumour development in female SWR mice does not require a K-ras mutational event.

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：:In this study, our goal was to identify genes whose expression in liver is altered in female F-344 rats during mitosuppression induced by 42 days of ethinyl estradiol (EE) treatment (Yager et al., Carcinogenesis, 15, 2117-2123, 1994). Northern analysis demonstrated that the mRNA levels for transforming growth factor-b...

journal_title：Carcinogenesis

authors： Chen J,Schwartz DA,Young TA,Norris JS,Yager JD

更新日期：1996-12-01 00:00:00

abstract：:Although the human O6-alkylguanine-DNA alkyltransferase (AGT) is very sensitive to inactivation by O6-benzylguanine (BG) or 2,4-diamino-6-benzyloxy-5-nitrosopyrimidine (5-nitroso-BP), the equivalent protein formed by the carboxyl terminal domain of the product of the Escherichia coli ada gene (Ada-C) is unaffected by ...

journal_title：Carcinogenesis

authors： Crone TM,Kanugula S,Pegg AE

更新日期：1995-08-01 00:00:00

abstract：:Hydrazine sulfate is a genotoxic hepatocarcinogen for the hamster. A study was conducted to follow changes in DNA maintenance methylation in selected genes in liver DNA during the 21-month induction of liver adenomas and hepatocellular carcinomas by demonstrating changes in restriction fragment length polymorphism. Ma...

journal_title：Carcinogenesis

authors： Zheng H,Shank RC

更新日期：1996-12-01 00:00:00

abstract：:Quantum and molecular mechanical calculations were employed to examine the effect on binding energies and structure of methylation and ethylation at O6-guanine in double-stranded DNA. Ab initio quantum chemical calculations (STO-3G, 3-21G) were initially used to pseudo-optimize the structure of the 9-methyl derivative...

journal_title：Carcinogenesis

authors： Pedersen LG,Darden TA,Deerfield DW 2nd,Anderson MW,Hoel DG

更新日期：1988-09-01 00:00:00

abstract：:Non-classical class Ib (class Ib) genes are found in all jawed vertebrates, including the amphibian Xenopus, which possesses at least 20 distinct Xenopus non-classical class Ib genes (XNCs). As an immune evasion strategy, tumors often downregulate surface expression of classical major histocompatibility complex class ...

journal_title：Carcinogenesis

authors： Haynes-Gilmore N,Banach M,Edholm ES,Lord E,Robert J

更新日期：2014-08-01 00:00:00

abstract：:Treatment of SV40-infected CV-1 cells with the ultimate carcinogen anti-benzo[a]pyrene diol epoxide (BPDE) at 1 X 10(-4) mg/ml or higher reduced the rate of viral DNA synthesis to an extent dependent on the BPDE concentration; similar reductions in cellular DNA synthesis were produced in infected and uninfected cells....

journal_title：Carcinogenesis

authors： Lockhart ML,Rosenberg BH

更新日期：1983-01-01 00:00:00

abstract：:Practical methods for the routine solid-phase synthesis of oligodeoxynucleotides containing O6-alkylguanine are described. It is shown that if the 2-amino group of the alkylated base is protected with a phenylacetyl group, and a mixture of nitrobenzaldoximate ions and ammonia used to remove the protecting groups from ...

journal_title：Carcinogenesis

authors： Smith CA,Xu YZ,Swann PF

更新日期：1990-05-01 00:00:00

abstract：:Besides polycyclic aromatic hydrocarbons (PAH) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), which are established lung carcinogens, tobacco smoke also contains relatively large quantities of volatile organic carcinogens and toxicants, including 1,3-butadiene, ethylene oxide, benzene, acrolein and crotonal...

journal_title：Carcinogenesis

authors： Yuan JM,Gao YT,Wang R,Chen M,Carmella SG,Hecht SS

更新日期：2012-04-01 00:00:00

abstract：:To study the roles of DNA polymerases alpha and beta during replication and repair of damaged DNA, use was made of the fact that during chronic treatment with carcinogens, replication and repair do not necessarily follow the same time sequence. Early cell damage and restorative hyperplasia cause a transient wave of DN...

journal_title：Carcinogenesis

authors： Craddock VM

更新日期：1981-01-01 00:00:00

abstract：:TP63, a member of the TP53 gene family, encodes two groups of three isoforms (alpha, beta and gamma). The TAp63 isoforms act as transcription factors. The DeltaNp63 isoforms lack the main transcription activation domain and act as dominant-negative inhibitors of transactivation (TA) isoforms. To clarify the role of th...

journal_title：Carcinogenesis

authors： Petitjean A,Ruptier C,Tribollet V,Hautefeuille A,Chardon F,Cavard C,Puisieux A,Hainaut P,Caron de Fromentel C

更新日期：2008-02-01 00:00:00

abstract：:Colorectal cancer (CRC) is the fourth leading cause of cancer mortality worldwide. Genome-wide association studies (GWAS) identified more than 50 CRC loci. However, most of the previous studies were conducted in European population, and host genetic factors among Japanese population are largely remained to be identifi...

journal_title：Carcinogenesis

authors： Tanikawa C,Kamatani Y,Takahashi A,Momozawa Y,Leveque K,Nagayama S,Mimori K,Mori M,Ishii H,Inazawa J,Yasuda J,Tsuboi A,Shimizu A,Sasaki M,Yamaji T,Sawada N,Iwasaki M,Tsugane S,Naito M,Wakai K,Koyama T,Takezaki T

更新日期：2018-05-03 00:00:00

abstract：:The resistant hepatocyte model was used to study expression of tumor-associated aldehyde dehydrogenase (ALDH) activity during the course of rat hepatocarcinogenesis. The hepatic ALDH phenotype was determined at intervals over 280 days by histochemical analysis, total ALDH activity assays and gel electrophoresis, using...

journal_title：Carcinogenesis

authors： Jones DE Jr,Evces S,Lindahl R

更新日期：1984-12-01 00:00:00

abstract：:Treatment of human skin fibroblasts in early S-phase with (+-)7 beta,8 alpha-dihydroxy-9 alpha,10 alpha-epoxy-7,8,9,10- tetrahydrobenzo[a]pyrene (BPDE-I) results in more extensive modification of early replicating DNA than parental DNA. We have investigated the effects of benzamide (BZ) and 3-aminobenzamide (3-ABZ), i...

journal_title：Carcinogenesis

authors： Kurian P,Kumari HL,Milo GE

更新日期：1992-03-01 00:00:00

abstract：:Cultures of isolated human hepatocytes from three different human liver specimens were exposed for 24 h to media containing [3H]benzo[a]pyrene (BP) (0.1, 1.0, 10, 100 microM). The cells and media were harvested and extracted. Subsequent incubations of the aqueous phase with beta-glucuronidase and aryl sulfatase, follo...

journal_title：Carcinogenesis

authors： Monteith DK,Novotny A,Michalopoulos G,Strom SC

更新日期：1987-07-01 00:00:00

abstract：:An in vivo method for assessment of DNA adduct formation and unscheduled DNA synthesis (UDS) in the esophagus of rats was devised. Small ventral incisions were made in the neck and upper abdomen regions of 6 week old F344 rats and ligation of the esophagus with thread at the two extreme ends performed to make an esoph...

journal_title：Carcinogenesis

authors： Qin XS,Nakatsuru Y,Kohyama K,Ishikawa T

更新日期：1990-02-01 00:00:00

abstract：:Multiple myeloma (MM) cells accumulate in the bone marrow (BM) where their interactions impede disease therapy. We have shown that microvesicles (MVs) derived from BM mesenchymal stem cells (MSCs) of MM patients promote the malignant traits via modulation of translation initiation (TI), whereas MVs from normal donors ...

journal_title：Carcinogenesis

authors： Dabbah M,Jarchowsky-Dolberg O,Attar-Schneider O,Tartakover Matalon S,Pasmanik-Chor M,Drucker L,Lishner M

更新日期：2020-03-13 00:00:00

abstract：:Pleomorphic adenoma gene like-2 (PLAGL2), a member of the PLAG gene family, is a C2H2 zinc finger transcriptional factor that is involved in cellular transformation and apoptosis. In this report, we show that PLAGL2 is associated with the organization of stress fibers and with small guanosine triphosphatase (GTPase) a...

journal_title：Carcinogenesis

authors： Sekiya R,Maeda M,Yuan H,Asano E,Hyodo T,Hasegawa H,Ito S,Shibata K,Hamaguchi M,Kikkawa F,Kajiyama H,Senga T

更新日期：2014-09-01 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：:Orotic acid, a precursor of pyrimidine nucleotide biosynthesis and a promoter for liver carcinogenesis, when fed at 1% level in a diet for 5 weeks resulted in liver DNA damage. The damage can be monitored as alkali-labile lesions using alkaline sucrose gradients as well as alkaline elution technique. Furthermore, the ...

journal_title：Carcinogenesis

authors： Rao PM,Rajalakshmi S,Alam A,Sarma DS,Pala M,Parodi S

更新日期：1985-05-01 00:00:00

abstract：:The ability of dietary retinyl palmitate, canthaxanthin or the combination of both, to prevent induction of immunosuppression by UVB irradiation was tested by passive transfer of splenocytes. The basal diet was the American Institute of Nutrition diet 76A, containing 4 IU retinyl palmitate/g diet. Groups of 55 mice we...

journal_title：Carcinogenesis

authors： Gensler HL

更新日期：1989-01-01 00:00:00

abstract：:Epidemiological evidence has suggested that consumption of a diet rich in cruciferous vegetables reduces the risk of several types of cancers and chronic degenerative diseases. In particular, broccoli sprouts are a convenient and rich source of the glucosinolate, glucoraphanin, which can release the chemopreventive ag...

journal_title：Carcinogenesis

authors： Kensler TW,Ng D,Carmella SG,Chen M,Jacobson LP,Muñoz A,Egner PA,Chen JG,Qian GS,Chen TY,Fahey JW,Talalay P,Groopman JD,Yuan JM,Hecht SS

更新日期：2012-01-01 00:00:00

abstract：:The potential importance of prostaglandin H synthase (PGHS) in the genotoxicity of fecapentaene-12 (fec-12) has been indicated by the finding that non-steroidal anti-inflammatory agents (NSAIDs) block the induction of oxidative DNA base damage by fec-12 in HeLa cells. To further investigate the role of PGHS in the met...

journal_title：Carcinogenesis

authors： Plummer SM,Hall M,Faux SP

更新日期：1995-05-01 00:00:00

abstract：:Elevated Bcl-xL expression in cancer cells contributes to doxorubicin (DOX) resistance, leading to failure in chemotherapy. In addition, the clinical use of high-dose doxorubicin (DOX) in cancer therapy has been limited by issues with cardiotoxicity and hepatotoxicity. Here, we show that co-treatment with pyrrolidine ...

journal_title：Carcinogenesis

authors： Park SS,Lee DM,Lim JH,Lee D,Park SJ,Kim HM,Sohn S,Yoon G,Eom YW,Jeong SY,Choi EK,Choi KS

更新日期：2018-03-08 00:00:00

abstract：:In order to detect any protective agent against tumor formation, we examined the anti-tumor-promoting effect of a Japanese traditional soybean fermented food, Natto. Dye transfer was employed as an assay method. When fluorescent dye was microinjected into cultured BALB/3T3 cells, the dye was transformed into the neigh...

journal_title：Carcinogenesis

authors： Takahashi C,Kikuchi N,Katou N,Miki T,Yanagida F,Umeda M

更新日期：1995-03-01 00:00:00

abstract：:Rat hepatocytes maintained for up to 6 days in primary culture were used to test a variety of xenobiotics and steroids for effects on the activity of gamma-glutamyltranspeptidase (GGT) in normal cells. In control cultures GGT activity was low and increased slowly with time. When added to cultures for 5 days, a variety...

journal_title：Carcinogenesis

authors： Edwards AM,Lucas CM

更新日期：1985-05-01 00:00:00

abstract：:Woodchuck (Marmota monax) hepatic cells, which were immortalized by the simian virus 40 large T antigen (SV40 Tag) produced nitric oxide (NO; measured as nitrite) in vitro from L-arginine (L-Arg) after lipopolysaccharide (LPS) treatment. NO synthesis was related to L-Arg and LPS concentration and plateaued at 1.0 mM L...

journal_title：Carcinogenesis

authors： Liu RH,Jacob JR,Hotchkiss JH,Tennant BC

更新日期：1993-08-01 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：:Colorectal cancer (CRC) is the third most common cancer worldwide. Chronic inflammation appears to enhance the risk of CRC. Emerging evidence has suggested that epigenetic mechanisms play an important role in CRC. Aspirin [acetylsalicylic acid (ASA)] has been shown to prevent CRC; however, the epigenetic mechanisms of...

journal_title：Carcinogenesis

authors： Guo Y,Liu Y,Zhang C,Su ZY,Li W,Huang MT,Kong AN

更新日期：2016-06-01 00:00:00

abstract：:Azido-PhIP (2-azido-1-methyl-6-phenylimidazo[4,5-b]pyridine) and nitro-PhIP (2-nitro-1-methyl-6-phenylimidazo[4,5-b]pyridine) have been synthesized and characterized chemically. The mutagenic potencies of azido-PhIP (with photoactivation by near UV irradiation), of nitro-PhIP (without exogenous activation) and of the ...

journal_title：Carcinogenesis

authors： Wild D,Watkins BE,Vanderlaan M

更新日期：1991-06-01 00:00:00