The kinetics of nuclear polyploidization and tumour formation in livers of CF-1 mice exposed to dieldrin.

abstract：:The possibility that long-term exposure to relatively weak power frequency magnetic fields (MFs) emanating from the generation, transmission and use of electricity could increase the risk of breast cancer is a matter of ongoing debate. Laboratory studies using well-defined exposure conditions are useful to examine whe...

journal_title：Carcinogenesis

authors： Fedrowitz M,Löscher W

更新日期：2008-01-01 00:00:00

abstract：:In this study, primary murine prostate cancer (PCa) cells were derived using the well-established TRAMP model. These PCa cells were treated with the histone deacetylase inhibitor, valproic acid (VPA), and we demonstrated that VPA treatment has an antimigrative, antiinvasive and antiproliferative effect on PCa cells. U...

journal_title：Carcinogenesis

authors： Witt D,Burfeind P,von Hardenberg S,Opitz L,Salinas-Riester G,Bremmer F,Schweyer S,Thelen P,Neesen J,Kaulfuss S

更新日期：2013-05-01 00:00:00

abstract：:The metastasis suppressor, N-myc downstream-regulated gene-1 (NDRG1), plays multifaceted roles in inhibiting oncogenic signaling and can suppress the epithelial mesenchymal transition (EMT), a key step in metastasis. In this investigation, NDRG1 inhibited the oncogenic effects of transforming growth factor-β (TGF-β) i...

journal_title：Carcinogenesis

authors： Menezes SV,Fouani L,Huang MLH,Geleta B,Maleki S,Richardson A,Richardson DR,Kovacevic Z

更新日期：2019-07-06 00:00:00

abstract：BACKGROUND:The hepatitis B virus x gene (HBx) is a promiscuous transactivator implicated in the development of hepatocellular carcinoma (HCC). The present study was designed to investigate the molecular events regulated by HBx. METHODS:Genomic and proteomic expression profiling was performed in Huh7 HCC cells transfec...

journal_title：Carcinogenesis

authors： Liu X,Wang L,Zhang S,Lin J,Zhang S,Feitelson MA,Gao H,Zhu M

更新日期：2008-06-01 00:00:00

abstract：:A methodology for the isolation and culture of rat nasal turbinates was developed with the aim of studying chemically-induced genotoxic effects in the nasal epithelium. DNA damage, as assessed by alkaline elution, and unscheduled DNA synthesis, as measured by quantitative autoradiography, were observed in the cells of...

journal_title：Carcinogenesis

authors： Bermudez E,Allen PF

更新日期：1984-11-01 00:00:00

abstract：:The influence of the smoking parameters (puff profile, puff duration, puff volume, puff frequency) on the delivery of tobacco-specific nitrosamines (TSNAs) in mainstream smoke was investigated for six different cigarette brands, including filter cigarettes with very low to medium smoke yields and non-filter cigarettes...

journal_title：Carcinogenesis

authors： Fischer S,Spiegelhalder B,Preussmann R

更新日期：1989-06-01 00:00:00

abstract：:Receptor tyrosine kinase EphB3 is expressed in cells in the bottom of intestinal crypts near stem cell niches. Loss of Ephb3 has recently been reported to produce invasive colorectal carcinoma in Apc(Min/+) mice and EphB-mediated compartmentalization was demonstrated to be a mechanism suppressing colorectal cancer pro...

journal_title：Carcinogenesis

authors： Chiu ST,Chang KJ,Ting CH,Shen HC,Li H,Hsieh FJ

更新日期：2009-09-01 00:00:00

abstract：:Transforming growth factors alpha and beta (TGF-alpha and TGF-beta) isolated from normal mouse kidney induced gross morphological changes in rat urothelial cells maintained in organ culture. These morphological effects are similar to those observed after long-term treatment of rat bladder organ cultures with the carci...

journal_title：Carcinogenesis

authors： Knowles MA,Hicks RM,Dave H,Harvey AE,Roberts AB,Sporn MB

更新日期：1985-04-01 00:00:00

abstract：:We examined the genotypes of two polymorphic genes involved in the detoxification of several mutagenic and carcinogenic compounds in relation to tobacco smoking-associated urinary mutagenicity. The genes studied were the glutathione S-transferase-encoding GSTM1 gene and acetyltransferase-encoding NAT2 gene. Smokers wi...

journal_title：Carcinogenesis

authors： Hirvonen A,Nylund L,Kociba P,Husgafvel-Pursiainen K,Vainio H

更新日期：1994-05-01 00:00:00

abstract：:We have shown previously that the difference between C57BL/6J and C3H/HeJ male mice in their susceptibilities to chemically-induced liver tumors results predominantly from an allelic difference at the Hepatocarcinogen sensitivity (Hcs) locus. This locus modulates the rate of growth of preneoplastic liver lesions and m...

journal_title：Carcinogenesis

authors： Hanigan MH,Winkler ML,Drinkwater NR

更新日期：1990-04-01 00:00:00

abstract：:In the present study, we have evaluated the induction of ornithine decarboxylase (ODC) activity in rat liver after acute in vivo administration of different hepatocarcinogens, and correlated the ODC activity peaks with the accumulation of the three ODC-related mRNA species in rat liver at different times after the int...

journal_title：Carcinogenesis

authors： Lorenzini EC,Buccellato FR,Scalabrino G

更新日期：1996-06-01 00:00:00

abstract：:Despite significant research, our understanding of the molecular mechanisms of Human Papilloma Virus (HPV) induced cancers remains incomplete. Majority of invasive cervical cancers are caused by high-risk HPV 16 and 18. Two potent HPV oncoproteins, E6 and E7, promote human malignancies by disrupting the activities of ...

journal_title：Carcinogenesis

authors： Chand V,John R,Jaiswal N,Johar SS,Nag A

更新日期：2014-08-01 00:00:00

abstract：:2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), the most abundant heterocyclic amine produced during the cooking of meats and fish, is suspected to be a human carcinogen. Metabolic activation of PhIP is primarily mediated by the enzyme cytochrome P450 (CYP) 1A2. Metabolism of PhIP by CYP1A2 differs considerabl...

journal_title：Carcinogenesis

authors： Cheung C,Loy S,Li GX,Liu AB,Yang CS

更新日期：2011-02-01 00:00:00

abstract：:Cigarette smoke (CS) contains hundreds of carcinogens and is a potent inducer of oxidative and bulky DNA damage, which when insufficiently repaired leads to activation of DNA damage response and possibly mutations. The DNA repair protein xeroderma pigmentosum group C (XPC) is primed to play an important role in CS-ind...

journal_title：Carcinogenesis

authors： Zhou H,Saliba J,Sandusky GE,Sears CR

更新日期：2019-05-14 00:00:00

abstract：:Oltipraz (4-methyl-5-(2-pyrazinyl)-1,2-dithiole-3-thione) (OPZ) is recognized as a potent chemoprotective agent against chemical-induced carcinogenesis in several animal models and is thought to act mainly by inducing phase II conjugating together with inhibiting phase I detoxication enzymes. The present study was und...

journal_title：Carcinogenesis

authors： Antras-Ferry J,Mahéo K,Chevanne M,Dubos MP,Morel F,Guillouzo A,Cillard P,Cillard J

更新日期：1997-11-01 00:00:00

abstract：:Previous epidemiological and laboratory studies have indicated an association between the ingestion of opium pyrolysates, dietary deficiencies and the high incidence of oesophageal cancer in subjects in north-east Iran. Pyrolysates of opium, and particularly of morphine, a major opium alkaloid, were both shown to cont...

journal_title：Carcinogenesis

authors： Friesen M,O'Neill IK,Malaveille C,Garren L,Hautefeuille A,Bartsch H

更新日期：1987-10-01 00:00:00

abstract：:Non-small cell lung cancer (NSCLC) is the leading cause of cancer mortality worldwide. Despite progress in developing chemotherapeutics for the treatment of NSCLC, primary and secondary resistance limits therapeutic success. NSCLC cells exhibit multiple mutations in the epidermal growth factor receptor (EGFR), which c...

journal_title：Carcinogenesis

authors： Kim MO,Lee MH,Oi N,Kim SH,Bae KB,Huang Z,Kim DJ,Reddy K,Lee SY,Park SJ,Kim JY,Xie H,Kundu JK,Ryoo ZY,Bode AM,Surh YJ,Dong Z

更新日期：2014-03-01 00:00:00

abstract：:The metabolic activation of the heterocyclic food carcinogen 2-amino-3-methylimidazo[4,5-f]quinoline (IQ) by two human cytochrome P450 monoxygenases (P4501A1 and P4501A2) and two human N-acetyltransferases (NAT1 and NAT2) was investigated. Various combinations of these enzymes were functionally expressed in COS-1 cell...

journal_title：Carcinogenesis

authors： Probst MR,Blum M,Fasshauer I,D'Orazio D,Meyer UA,Wild D

更新日期：1992-10-01 00:00:00

abstract：:Fifty-five types of commercial cigarettes on the West German market were analyzed for tobacco-specific nitrosamines (TSNA) in mainstream smoke. The cigarettes included filter and nonfilter cigarettes with very high, high, medium, low and ultra-low tar and nicotine yields. The observed range for N'-nitrosonornicotine w...

journal_title：Carcinogenesis

authors： Fischer S,Spiegelhalder B,Preussmann R

更新日期：1989-01-01 00:00:00

abstract：:Bile acids have been implicated in the aetiology of colon cancer. We have previously found, using 32P-postlabelling, that bile from control patients and from patients with familial adenomatous polyposis (FAP) produces DNA adducts when incubated with salmon sperm DNA in vitro. In the present study we have incubated the...

journal_title：Carcinogenesis

authors： Scates DK,Spigelman AD,Venitt S

更新日期：1994-12-01 00:00:00

abstract：:Specific repair endonucleases were used to quantify oxidative modifications in mitochondrial DNA (mtDNA) from rat liver and from porcine liver and kidney by means of a relaxation assay. In rat liver mitochondria the number of modifications sensitive to formamidopyrimidine--DNA glycosylase (FPG protein), which include ...

journal_title：Carcinogenesis

authors： Hegler J,Bittner D,Boiteux S,Epe B

更新日期：1993-11-01 00:00:00

abstract：:Rats received a choline-deficient diet containing 0.1% (w/w) DL-ethionine (CDE) for 4, 10, 14 or 22 weeks. A separate group was treated for 4 weeks with CDE and then received a normal diet for 4 weeks. The L and M2 isoenzymes of pyruvate kinase were immunocytochemically demonstrated in liver sections. L-PK expression ...

journal_title：Carcinogenesis

authors： Hacker HJ,Steinberg P,Bannasch P

更新日期：1998-01-01 00:00:00

abstract：:Treatment of rats with the cancer chemopreventive agent 1,2-dithiole-3-thione (D3T) resulted in a significant increase in hepatic heme oxygenase (HO) activity, which corresponded to increased protein levels of HO-1. Upon further analysis of proteins related to heme metabolism, the level of ferritin, the major iron sto...

journal_title：Carcinogenesis

authors： Primiano T,Kensler TW,Kuppusamy P,Zweier JL,Sutter TR

更新日期：1996-11-01 00:00:00

abstract：:In hepatocellular carcinoma (HCC), a subset of cells defined by high CD44 and CD133 expression has been reported to possess cancer stem-like cell (CSC) characteristics and to be associated with a poor prognosis. Since the approval of the multi-kinase inhibitor, lenvatinib, for patients with unresectable HCC, two such ...

journal_title：Carcinogenesis

authors： Shigesawa T,Maehara O,Suda G,Natsuizaka M,Kimura M,Shimazaki T,Yamamoto K,Yamada R,Kitagataya T,Nakamura A,Suzuki K,Ohara M,Kawagishi N,Umemura M,Nakai M,Sho T,Morikawa K,Ogawa K,Ohnishi S,Sugiyama M,Mizokami M,

更新日期：2020-05-25 00:00:00

abstract：:Carnosol is a naturally occurring phytopolyphenol found in rosemary. Carnosol functions as antioxidant and anticarcinogen. In the present study, we compared the antioxidant activity of carnosol and other compounds extracted from rosemary. Carnosol showed potent antioxidative activity in alpha,alpha-diphenyl-beta-picry...

journal_title：Carcinogenesis

authors： Lo AH,Liang YC,Lin-Shiau SY,Ho CT,Lin JK

更新日期：2002-06-01 00:00:00

abstract：:Diabetes mellitus has been suggested as a possible risk factor for the development of pancreatic cancer in humans. Previous studies in our laboratory have shown, however, that streptozotocin (STZ) diabetes inhibits the development of cancer of the exocrine pancreas in hamsters when STZ is administered prior to treatme...

journal_title：Carcinogenesis

authors： Povoski SP,Fenoglio-Preiser CM,Sayers HJ,McCullough PJ,Zhou W,Bell RH Jr

更新日期：1993-05-01 00:00:00

abstract：:Hepatic microsomes of female F344 rats were capable of N,O-acyltransfer of N-hydroxy-N-acetyl-2-aminofluorene (N-OH-AAF) and N-hydroxy-N-formyl-2-aminofluorene (N-OH-FAF), N-deacetylation of N-OH-AAF and N-acetyl-2-aminofluorene (2-AAF), and O-deacetylation of 4-nitrophenyl acetate (NPA). The activity for N,O-acyltran...

journal_title：Carcinogenesis

authors： Wang CY,Zukowski K,Lee MS,Sone T

更新日期：1992-11-01 00:00:00

abstract：:Aberrant crypt foci (ACF), putative preneoplastic lesions, are early morphological changes induced by the colon carcinogen azoxymethane (AOM). Although inbred mice differ markedly in their susceptibility to AOM carcinogenesis, we have previously shown that ACF develop in both resistant and sensitive mouse strains afte...

journal_title：Carcinogenesis

authors： Papanikolaou A,Wang QS,Papanikolaou D,Whiteley HE,Rosenberg DW

更新日期：2000-08-01 00:00:00

abstract：:O-Methylation of catecholestrogens catalyzed by catechol-O-methyltransferase provides a major route for the rapid metabolic clearance of these steroids. However, the metabolic clearance rate of 4-hydroxyestradiol (4-OH-E2) is considerably lower than that of 2-hydroxyestradiol, although 2- and 4-hydroxycatecholestrogen...

journal_title：Carcinogenesis

authors： Roy D,Weisz J,Liehr JG

更新日期：1990-03-01 00:00:00

abstract：:Nasopharyngeal carcinoma (NPC) is a type of head and neck cancer with significantly high prevalence in Southern China. Unlike other head and neck cancers, mutations or deletions of tumor suppressor genes in NPC are not common. Recently, downregulation of tumor suppressor genes expression by microRNA (miRNA) is increas...

journal_title：Carcinogenesis

authors： Zhang LY,Ho-Fun Lee V,Wong AM,Kwong DL,Zhu YH,Dong SS,Kong KL,Chen J,Tsao SW,Guan XY,Fu L

更新日期：2013-02-01 00:00:00