Activation of 17beta-estradiol and estrone by dimethyldioxirane and inhibition of rat liver nuclear and nucleolar RNA synthesis in vitro.

abstract：:The chemopreventive effects of phenethyl isothiocyanate (PEITC) were investigated in N-nitrosobis(2-oxopropyl)-amine (BOP)-treated hamsters. Female 5-week-old Syrian golden hamsters were divided into six groups. Animals in groups 1-3, each consisting of 30 hamsters, were given BOP by two subcutaneous injections 7 days...

journal_title：Carcinogenesis

authors： Nishikawa A,Furukawa F,Uneyama C,Ikezaki S,Tanakamaru Z,Chung FL,Takahashi M,Hayashi Y

更新日期：1996-06-01 00:00:00

abstract：:The Notch signaling pathway is evolutionarily conserved and responsible for cell fate determination in the developing embryo and mature tissue. At the molecular level, ligand binding activates Notch signaling by liberating the Notch intracellular domain, which then translocates into the nucleus and activates gene tran...

journal_title：Carcinogenesis

authors： Capaccione KM,Pine SR

更新日期：2013-07-01 00:00:00

abstract：:Male Leeds strain rats were given a diet containing either 0.06% 3'-methyl-4-dimethylaminoazobenzene (3'-MeDAB) or 0.05% 2-acetylaminofluorene (2-AAF), alone or together with 0.0067% 3-methylcholanthrene (MeCh). MeCh both reduced the incidence of hepatic neoplasms induced by 3'-MeDAB and delayed their development. Wit...

journal_title：Carcinogenesis

authors： Flaks A,Flaks B

更新日期：1982-01-01 00:00:00

abstract：:Purified human alpha-thrombin stimulates phosphoinositide turnover as a necessary step in its stimulation of fibroblast cell proliferation. Since phosphoinositide turnover releases diacylglycerol, which activates protein kinase C, we postulated that long-term exposure to thrombin might promote cellular transformation ...

journal_title：Carcinogenesis

authors： Morris DL,Ward JB Jr,Nechay P,Whorton EB Jr,Fenton JW 2nd,Carney DH

更新日期：1992-01-01 00:00:00

abstract：:Yeasts were isolated from 12 cases of oral precancerous lesions (leukoplakia and erythroleukoplakia) by sampling the lesion as well as normal mucosa of each patient, yielding 21 strains of Candida albicans belonging to 15 biotypes, two strains of C. tropicalis, one strain of C. parapsilosis and two strains of Torulops...

journal_title：Carcinogenesis

authors： Krogh P,Hald B,Holmstrup P

更新日期：1987-10-01 00:00:00

abstract：:CXCR4 is a chemokine receptor probably involved in the homing of metastatic breast cancer, and its expression is modulated by tumor environmental stimuli such as hepatocyte growth factor (HGF) and hypoxia. Here, we demonstrate that, depending on the stimulus, different transcription factors can cooperate in enhancing ...

journal_title：Carcinogenesis

authors： Maroni P,Bendinelli P,Matteucci E,Desiderio MA

更新日期：2007-02-01 00:00:00

abstract：:Ovarian surface epithelium (OSE) is considered to give rise to epithelial ovarian carcinomas (EOCs). To elucidate early processes contributing to the development of EOCs from the OSE, two batches of primary human OSE cells were transduced with non-viral human genes (mutant Cdk4, cyclinD1 and hTERT) so as to efficientl...

journal_title：Carcinogenesis

authors： Sasaki R,Narisawa-Saito M,Yugawa T,Fujita M,Tashiro H,Katabuchi H,Kiyono T

更新日期：2009-03-01 00:00:00

abstract：:Caffeine is sequentially metabolized by cytochrome P4501A2 (CYP1A2), N-acetyltransferase (NAT) and/or xanthine oxidase (XO). In the present study the activity of these three enzymes was estimated from ratios of the metabolites formed from dietary caffeine and excreted into the urine collected as spot samples. In the u...

journal_title：Carcinogenesis

authors： Vistisen K,Poulsen HE,Loft S

更新日期：1992-09-01 00:00:00

abstract：:The anti-neoplastic agent procarbazine is genetically active in a variety of short term mutagenicity tests, and it also possesses carcinogenic and teratogenic potential. This compound has consistently yielded false negative results in in vitro microbial mutagenicity tests in the presence and absence of mammalian metab...

journal_title：Carcinogenesis

authors： Gatehouse DG,Paes DJ

更新日期：1983-01-01 00:00:00

abstract：:Spontaneous and hepatocarcinogen (2-nitropropane, 2-NP)-induced levels of 8-hydroxy-2'-deoxyguanosine (oh8dG) in the nuclear DNA of regenerating liver [24, 48, 72 h and 7 days after partial hepatectomy (PH)] of male Sprague-Dawley rats were analysed for the verification of a hypothesis that the high susceptibility of ...

journal_title：Carcinogenesis

authors： Adachi S,Kawamura K,Takemoto K

更新日期：1994-03-01 00:00:00

abstract：:To explore the potential role for estrogen in lung cancer susceptibility, candidate single-nucleotide polymorphism (SNPs) in tobacco and estrogen metabolism genes were evaluated. Population-based cases (n = 504) included women aged 18-74, diagnosed with NSCLC in metropolitan Detroit between November 2001 and October 2...

journal_title：Carcinogenesis

authors： Cote ML,Yoo W,Wenzlaff AS,Prysak GM,Santer SK,Claeys GB,Van Dyke AL,Land SJ,Schwartz AG

更新日期：2009-04-01 00:00:00

abstract：:Prostate cancer (PCa) is the second cause of cancer deaths in men in the USA. When the cancer recurs, early stages can be controlled with hormone ablation therapy to delay the rate of cancer progression but, over time, the cancer overcomes its hormone dependence, becomes highly aggressive and metastasizes. Clinical tr...

journal_title：Carcinogenesis

authors： Wang L,Li W,Lin M,Garcia M,Mulholland D,Lilly M,Martins-Green M

更新日期：2014-10-01 00:00:00

abstract：:Genomic alterations affecting components of the mechanistic target of rapamycin (mTOR) pathway are found rather frequently in cancers, suggesting that aberrant pathway activity is implicated in oncogenesis of different tumor types. mTOR functions as the core catalytic kinase of two distinct complexes, mTOR complex 1 (...

journal_title：Carcinogenesis

authors： Gkountakos A,Pilotto S,Mafficini A,Vicentini C,Simbolo M,Milella M,Tortora G,Scarpa A,Bria E,Corbo V

更新日期：2018-07-30 00:00:00

abstract：:The individual genotoxic response of cultured human lymphocytes to diepoxybutane (DEB), an epoxide metabolite of 1,3-butadiene, shows a bimodal distribution. Blood donors can be classified as either DEB-sensitive or DEB-resistant on the basis of the frequency of sister chromatid exchanges (SCEs) induced by DEB in whol...

journal_title：Carcinogenesis

authors： Norppa H,Hirvonen A,Järventaus H,Uusküla M,Tasa G,Ojajärvi A,Sorsa M

更新日期：1995-06-01 00:00:00

abstract：:Animal studies demonstrated that females are more susceptible than males to benzo[a]pyrene (BaP)-induced toxicities, including lung carcinogenesis. Elevation of cyclooxygenase-2 (COX-2) expression has been shown to increase the risk of cancer development. BaP induces COX-2 expression, and an interaction between BaP an...

journal_title：Carcinogenesis

authors： Chang LW,Chang YC,Ho CC,Tsai MH,Lin P

更新日期：2007-07-01 00:00:00

abstract：:Lung cancer is the leading cause of cancer-related mortality, with most cases attributed to tobacco smoking, in which nicotine-derived nitrosamine ketone (NNK) is the most potent lung carcinogen. The ADAM17 protease is responsible for the ectodomain shedding of many pro-tumorigenic cytokines, growth factors and recept...

journal_title：Carcinogenesis

authors： Saad MI,McLeod L,Yu L,Ebi H,Ruwanpura S,Sagi I,Rose-John S,Jenkins BJ

更新日期：2020-06-17 00:00:00

abstract：:Telomeres are critical in maintaining chromosome and genomic stability. Arsenic, a human carcinogen as well as an anticancer agent, is known for its clastogenicity. To better understand molecular mechanisms of arsenic actions, we investigated arsenite effects on telomere and telomerase and determined cell growth and a...

journal_title：Carcinogenesis

authors： Zhang TC,Schmitt MT,Mumford JL

更新日期：2003-11-01 00:00:00

abstract：:Covalent binding to haemoglobin, plasma proteins and DNA was determined after intraperitoneal administration of radiolabelled diethylnitrosamine to mice. The level of alkylation of DNA in liver--the main site of activation--was found to be about two orders of magnitude higher than the level of alkylation of haemoglobi...

journal_title：Carcinogenesis

authors： Osterman-Golkar S,Bergmark E

更新日期：1988-11-01 00:00:00

abstract：:Conversion of the 2'-deoxyguanosine (dG) residues in calf thymus DNA to 8-hydroxy-2'-deoxyguanosine (8-OH-dG) was achieved at physiological pH by treating the DNA with hydrogen peroxide (H2O2) in the presence of nickel(II) chloride (NiCl2). The effectiveness of this reaction was enhanced by L-histidine (His) which for...

journal_title：Carcinogenesis

authors： Dutta AK,Misra M,North SL,Kasprzak KS

更新日期：1992-02-01 00:00:00

abstract：:The incidence of esophageal adenocarcinoma (EA) has been increasing rapidly, particularly among white males, over the past few decades in the USA. However, the etiology of EA and the striking male predominance is not fully explained by known risk factors. To identify susceptible genes for EA risk, we conducted a pathw...

journal_title：Carcinogenesis

authors： Liu CY,Wu MC,Chen F,Ter-Minassian M,Asomaning K,Zhai R,Wang Z,Su L,Heist RS,Kulke MH,Lin X,Liu G,Christiani DC

更新日期：2010-07-01 00:00:00

abstract：:Epidemiological investigations suggest that chronic lung inflammation increases lung cancer risk. Pharmacologic and genetic evidence in mouse models indicates that lipid mediators released during pulmonary inflammation enhance lung tumor formation. Cytosolic phospholipase A2 (cPLA2) catalyzes arachidonic acid (AA) rel...

journal_title：Carcinogenesis

authors： Meyer AM,Dwyer-Nield LD,Hurteau GJ,Keith RL,O'Leary E,You M,Bonventre JV,Nemenoff RA,Malkinson AM

更新日期：2004-08-01 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：:Previous studies have shown that TIPE1 inhibits tumor proliferation and metastasis in certain cancers; however, increased expression of TIPE1 is observed in cervical cancer cell lines and tissues, indicating it might exert a distinctive role in cervical cancer. Cell and xenograft tumorigenicity assays showed that TIPE...

journal_title：Carcinogenesis

authors： Zhao P,Pang X,Jiang J,Wang L,Zhu X,Yin Y,Zhai Q,Xiang X,Feng F,Xu W

更新日期：2019-06-10 00:00:00

abstract：:It is estimated that one-third of Americans use dietary herbal supplements on a regular basis. Diets rich in bioactive phytochemicals are associated with reduced risk of certain cancers, notably, colon cancer. Herbal supplements have not been directly tested as sources of bioactive cancer preventives. Hence, this stud...

journal_title：Carcinogenesis

authors： Volate SR,Davenport DM,Muga SJ,Wargovich MJ

更新日期：2005-08-01 00:00:00

abstract：:N-Acetoxyarylamines are reactive metabolites that lead to arylamine adduct formation with biological macromolecules. A series of 7-substituted-N-hydroxy-2-acetylaminofluorenes were converted to reactive N-acetoxyarylamines by enzymatic N,O-acyltransfer in the presence of DNA. The N-arylhydroxamic acid substrates that ...

journal_title：Carcinogenesis

authors： Boteju LW,Hanna PE

更新日期：1993-08-01 00:00:00

abstract：:The rates of reaction and the products formed when two vicinal diol-epoxides derived from benz(a)anthracene, anti-BA-3,4-diol 1,2-oxide (t-3,r-4-dihydroxy-t-1,2-oxy-1,2,3,4-tetrahydrobenz(a) anthracene)* and anti-BA-8,9-diol 10,11-oxide (r-8,t-9-dihydroxy-t-10,11-oxy-8,9,10,11-tetrahydrobenz(a)anthracene) reacted with...

journal_title：Carcinogenesis

authors： Hemminki K,Cooper CS,Ribeiro O,Grover PL,Sims P

更新日期：1980-03-01 00:00:00

abstract：:Common polymorphisms in genes encoding phase I and phase II enzymes are considered to modify lung cancer risk due to changes in enzyme activity. Candidates include genetic variants of glutathione S-transferases (GSTM1, GSTT1 and GSTP1) and myeloperoxidase (MPO). We performed a large case-control study of these candida...

journal_title：Carcinogenesis

authors： Larsen JE,Colosimo ML,Yang IA,Bowman R,Zimmerman PV,Fong KM

更新日期：2006-03-01 00:00:00

abstract：:The underlying molecular mechanisms of the tumor-promoting activity of bile acids such as chenodeoxycholic acid (CDCA) and deoxycholic acid (DCA) and the protective effect of ursodeoxycholic acid (UDCA) remain largely unclear. Using RNA arbitrarily primed PCR (RAP-PCR) for differential display, we identified, cloned a...

journal_title：Carcinogenesis

authors： Jung B,Vogt T,Mathieu-Daudé F,Welsh J,McClelland M,Trenkle T,Weitzel C,Kullmann F

更新日期：1998-11-01 00:00:00

abstract：:4,4'-Methylenediphenyl diisocyanate (MDI) is the most widely used isocyanate in the manufacture of polyurethanes. MDI has been implicated as one of the major causes of occupational asthma. Hydrolysis of MDI can yield 4,4'-methylenedianiline (MDA), which is a suspected human carcinogen. Thus the need to monitor occupat...

journal_title：Carcinogenesis

authors： Sepai O,Henschler D,Sabbioni G

更新日期：1995-10-01 00:00:00

abstract：:To evaluate the significance of C-C chemokine receptor type 5 (CCR5) in lung tumor development, we compared carcinogen-induced tumor growth in CCR5 knockout (CCR5(-/-)) mice and wild-type (CCR5(+/+)) mice. CCR5(-/-) mice showed reduced urethane (1g/kg)-induced tumor incidence when compared with those of CCR5(+/+) mice...

journal_title：Carcinogenesis

authors： Lee NJ,Choi DY,Song JK,Jung YY,Kim DH,Kim TM,Kim DJ,Kwon SM,Kim KB,Choi KE,Moon DC,Kim Y,Han SB,Hong JT

更新日期：2012-12-01 00:00:00