Solid-phase synthesis of oligodeoxynucleotides containing O6-alkylguanine.

abstract：:X-ray repair cross-complementing group 1 (XRCC1) and xeroderma pigmentosum group D (XPD) are mainly involved in base excision repair (BER) and nucleotide excision repair (NER) of DNA repair pathways, respectively. Polymorphisms of DNA repair gene XRCC1 and XPD has recently been identified, and there is a growing body ...

journal_title：Carcinogenesis

authors： Chen S,Tang D,Xue K,Xu L,Ma G,Hsu Y,Cho SS

更新日期：2002-08-01 00:00:00

abstract：:The magnitude of benefit is variable for advanced non-small cell lung cancer (NSCLC) patients receiving platinum-based chemotherapy. The purpose of this study is to determine whether genetic variations in the transforming growth factor-beta (TGF-β) pathway are associated with clinical outcomes in NSCLC patients receiv...

journal_title：Carcinogenesis

authors： Lin M,Stewart DJ,Spitz MR,Hildebrandt MA,Lu C,Lin J,Gu J,Huang M,Lippman SM,Wu X

更新日期：2011-07-01 00:00:00

abstract：:Both dehydroepiandrosterone (DHEA) and the synthetic steroid 16 alpha-Br-epiandrosterone (Br-Epi), a more potent inhibitor of glucose-6-phosphate dehydrogenase (G6PDH) than DHEA, inhibit the 12-O-tetradecanoylphorbol-13-acetate (TPA) stimulation of superoxide anion (O2-) formation by human neutrophils. DHEA has previo...

journal_title：Carcinogenesis

authors： Whitcomb JM,Schwartz AG

更新日期：1985-03-01 00:00:00

abstract：:Dose-response relationships in the induction of urinary bladder cancer in male C57BL/6 x DBA/2-F1 (BDF) mice by intragastric instillation of N-butyl-N-(4-hydroxybutyl)nitrosamine (OH-BBN) were studied. Administration of a total dose of 0 to 80 mg OH-BBN in 10 weekly fractions to groups of 25 mice resulted in a linear ...

journal_title：Carcinogenesis

authors： McCormick DL,Ronan SS,Becci PJ,Moon RC

更新日期：1981-01-01 00:00:00

abstract：:DNA strand breage in response to damage produced by UV (254 nm) radiation was characterized after permeabilization of diploid normal and xeroderma pigmentosum variant fibroblasts. The breakage reaction required ATP, Mg2+ and sucrose for maximal activity and was inhibited by 150 mM Na+ or K+ and 1 mM N-ethylmaleimide. ...

journal_title：Carcinogenesis

authors： Kaufmann WK,Briley LP

更新日期：1990-01-01 00:00:00

abstract：:Cisplatin alone or in combination with 5FU (5-fluorouracil) and docetaxel (TPF) are common regimen chemotherapeutics for treatment of advanced oral squamous cell carcinoma (OSCC). Despite the initial positive response, several patients experience relapse due to chemoresistance. The potential role of Bcl-2 antiapoptoti...

journal_title：Carcinogenesis

authors： Maji S,Shriwas O,Samal SK,Priyadarshini M,Rath R,Panda S,Das Majumdar SK,Muduly DK,Dash R

更新日期：2019-03-12 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：:In this communication, we investigate the preventive effect of a flavonoid antioxidant, silymarin, on free radical-generating skin tumor promoting agent benzoyl peroxide (BPO)-induced tumor promotion, oxidative stress and inflammatory responses in SENCAR mouse skin. Topical application of silymarin at a dose of 6 mg p...

journal_title：Carcinogenesis

authors： Zhao J,Lahiri-Chatterjee M,Sharma Y,Agarwal R

更新日期：2000-04-01 00:00:00

abstract：:1,3-Butadiene (BD) is an indirect alkylating agent that has greater cancer potency in the mouse than in the rat. The purpose of the present study was to compare the mutagenic potency of BD at the hprt locus of T-lymphocytes of exposed mice and rats and to determine whether mutations induced in this marker gene can be ...

journal_title：Carcinogenesis

authors： Meng Q,Recio L,Reilly AA,Wong BA,Bauer M,Walker VE

更新日期：1998-06-01 00:00:00

abstract：:Cyclin D1 is one of the major enhancers of cell cycle progression and its expression is regulated in several growth stimulatory signaling pathways. ARA54 is an androgen receptor (AR) co-activator that enhances AR-dependent transcriptional activation. Although expression of ARA54 mRNA is observed in a variety of human ...

journal_title：Carcinogenesis

authors： Kikuchi H,Uchida C,Hattori T,Isobe T,Hiramatsu Y,Kitagawa K,Oda T,Konno H,Kitagawa M

更新日期：2007-08-01 00:00:00

abstract：:We investigated whether curcumin, a chemopreventive agent, inhibited chenodeoxycholate (CD)- or phorbol ester (PMA)-mediated induction of cyclooxygenase-2 (COX-2) in several gastrointestinal cell lines (SK-GT-4, SCC450, IEC-18 and HCA-7). Treatment with curcumin suppressed CD- and PMA-mediated induction of COX-2 prote...

journal_title：Carcinogenesis

authors： Zhang F,Altorki NK,Mestre JR,Subbaramaiah K,Dannenberg AJ

更新日期：1999-03-01 00:00:00

abstract：:MicroRNAs (miRNAs) are a class of short non-coding, single-stranded RNAs, which perform posttranscriptional regulatory functions as tumor suppressors or oncogenes. Single nucleotide polymorphisms (SNPs) in microRNAs (miRNAs) genes are currently being identified for contributing to cancer risk, prognosis and survival. ...

journal_title：Carcinogenesis

authors： Du M,Lu D,Wang Q,Chu H,Tong N,Pan X,Qin C,Yin C,Wang M,Zhang Z

更新日期：2014-07-01 00:00:00

abstract：:Genotoxic carcinogens, including 2-acetylaminofluorene (2-AAF), in addition to exerting their genotoxic effects, often cause a variety of non-genotoxic alterations in cells. It is believed that these non-genotoxic effects may be indispensable events in tumorigenesis; however, there is insufficient knowledge to clarify...

journal_title：Carcinogenesis

authors： Bagnyukova TV,Tryndyak VP,Montgomery B,Churchwell MI,Karpf AR,James SR,Muskhelishvili L,Beland FA,Pogribny IP

更新日期：2008-03-01 00:00:00

abstract：:The purpose of this study was to determine whether the level of 7,8-dihydro-8-oxo-2'-deoxyguanosine (8-hydroxy-2'-deoxyguanosine) (8-oxo-dG), a major mutagenic DNA oxidation product, is enhanced in newborn rat liver DNA as a consequence of oxidative stress incurred during the early postnatal period. 32P-postlabeling s...

journal_title：Carcinogenesis

authors： Randerath K,Zhou GD,Monk SA,Randerath E

更新日期：1997-07-01 00:00:00

abstract：:An increased neuroendocrine (NE) cell population in prostate cancer is associated with more aggressive disease and recurrence after androgen-deprivation therapy, although the mechanism responsible is unknown. In this study, we report that the treatment of LNCaP cells with epidermal growth factor (EGF) in the presence ...

journal_title：Carcinogenesis

authors： Cortés MA,Cariaga-Martinez AE,Lobo MV,Martín Orozco RM,Motiño O,Rodríguez-Ubreva FJ,Angulo J,López-Ruiz P,Colás B

更新日期：2012-06-01 00:00:00

abstract：:Cancer of the stomach is one of the most commonly diagnosed malignancies and remains an important cause of mortality world wide. This type of cancer is not uniformly distributed among populations but shows a marked variation in both incidence and mortality. Although gastric cancer is declining in many parts of the wor...

journal_title：Carcinogenesis

authors： Stadtländer CT,Waterbor JW

更新日期：1999-12-01 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：:The effect of the aromatic amines 2-acetylaminofluorene (AAF), 2-acetylaminophenanthrene (AAP) and trans-4-acetylaminostilbene (AAS) on the rat hepatic aromatic hydrocarbon (Ah) receptor level was studied. 3-Methylcholanthrene (MC), as a known receptor ligand, was used as a control. The complete liver carcinogen AAF a...

journal_title：Carcinogenesis

authors： Göttlicher M,Cikryt P

更新日期：1987-07-01 00:00:00

abstract：:In order to explore a possibility that the custom of drinking green tea infusion is efficacious for reducing the carcinogenic risk of environmental exposure to pentachlorophenol (PCP), we examined the effects in a hepato- and cholangiocarcinogenesis model in mice exposed to diethylnitrosamine (DEN). In the first exper...

journal_title：Carcinogenesis

authors： Umemura T,Kai S,Hasegawa R,Kanki K,Kitamura Y,Nishikawa A,Hirose M

更新日期：2003-06-01 00:00:00

abstract：:A line of C3H mouse fibroblasts designated CVP3SC6 (CVP) was found to be nonresponsive to the induction of morphological transformation by the polycyclic aromatic hydrocarbon benzo[a]pyrene (BaP) and its BaP-7,8-diol and BaP-diol-epoxide derivates. This cell line was, however, susceptible to BaP-induced mutation to ou...

journal_title：Carcinogenesis

authors： Gehly EB,Heidelberger C

更新日期：1982-01-01 00:00:00

abstract：:Effect of nicotine on PDGF AA and PDGF BB interaction with cervical cancer SiHa cells was tested. [125I]PDGF AA was internalized by cells and accumulated in the cytoplasm and nucleus (chromatin). In the absence of nicotine, maximal accumulation of [125I]PDGF AA inside the cells occurred after 1 day of incubation, whic...

journal_title：Carcinogenesis

authors： Rakowicz-Szulczynska EM,McIntosh DG,Perry M,Smith ML

更新日期：1996-09-01 00:00:00

abstract：:Certain dietary constituents can protect against chemically induced carcinogenesis in rodents. A principal mechanism by which these chemopreventive compounds exert their protective effects is likely to be via induction of carcinogen detoxification. This can be mediated by conjugation with glutathione, which is synthes...

journal_title：Carcinogenesis

authors： Shepherd AG,Manson MM,Ball HW,McLellan LI

更新日期：2000-10-01 00:00:00

abstract：:An intrasanguineous host-mediated assay was used to establish the mutagenic potential of a series of dialkylnitrosamines to E. coli K12/343/113 in the liver and spleen of mice. For calibrating purposes, dose- and time-dependent kinetics of mutation induction by the model compound diethylnitrosamine in this assay was d...

journal_title：Carcinogenesis

authors： Kerklaan P,Mohn G,Bouter S

更新日期：1981-01-01 00:00:00

abstract：:The fidelity of DNA synthesis is critically dependent on the correct balance and availability of the deoxynucleoside triphosphate (dNTP) precursors for the polymerases involved in replication and repair. Since folate-derived one-carbon groups are essential for the de novo synthesis of both purines and pyrimidines, the...

journal_title：Carcinogenesis

authors： James SJ,Cross DR,Miller BJ

更新日期：1992-12-01 00:00:00

abstract：:Pirh2 is a Ring-H2 domain containing E3 ubiquitin ligase that targets several important tumor suppressor genes for proteasomal degradation. Overexpression of Pirh2 is frequently detected in many clinical tumor tissues including hepatocellular carcinoma (HCC). However, the molecular mechanism of Pirh2 activation in tum...

journal_title：Carcinogenesis

authors： Hu L,Liu M,Chen L,Chan TH,Wang J,Huo KK,Zheng BJ,Xie D,Guan XY

更新日期：2012-08-01 00:00:00

abstract：:Thyroid hormone (T(3)) regulates proliferation and differentiation of cells, via its nuclear receptors (TRs). These processes have been shown to be abnormally regulated during carcinogenesis. We have previously found aberrant expression of TRalpha and TRbeta mRNAs in renal clear cell carcinoma (RCCC), suggesting possi...

journal_title：Carcinogenesis

authors： Kamiya Y,Puzianowska-Kuznicka M,McPhie P,Nauman J,Cheng SY,Nauman A

更新日期：2002-01-01 00:00:00

abstract：:Super elongation complex (SEC) controls gene transcription by releasing Pol II from pausing. Previous studies have shown that dysfunction of SEC was associated with multiple human cancers, such as leukemia and breast cancer. However, the role of SEC in head and neck squamous cell carcinoma (HNSCC) development remains ...

journal_title：Carcinogenesis

authors： Deng P,Wang J,Zhang X,Wu X,Ji N,Li J,Zhou M,Jiang L,Zeng X,Chen Q

更新日期：2018-07-03 00:00:00

abstract：:The promoting action of hexachlorocyclohexane (HCH) was evaluated in female Wistar rats by counting the gamma-glutamyltranspeptidase-positive foci which appeared in the liver after diethylnitrosamine (DENA) initiation. Liver tumor promotion by HCH was further confirmed in a long-term tumorigenicity study after DENA pr...

journal_title：Carcinogenesis

authors： Munir KM,Rao KV,Bhide SV

更新日期：1984-04-01 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：:Previous studies demonstrate that the heavy metal cadmium and the metalloid arsenite activate estrogen receptor-alpha in breast cancer cells by forming a high-affinity complex with the ligand-binding domain of the receptor and that environmentally relevant doses of cadmium have estrogen-like activity in vivo. The pres...

journal_title：Carcinogenesis

authors： Divekar SD,Li HH,Parodi DA,Ghafouri TB,Chen R,Cyrus K,Foxworth AE,Fornace AJ,Byrne C,Martin MB

更新日期：2020-07-14 00:00:00