Enhancing effect of ethanol on aflatoxin b1-induced DNA-damage in glutathione-depleted rat hepatocytes.

Abstract:

:The effect of reduced glutathione (GSH) and ethanol on aflatoxin B1 (AFB1)-induced DNA single strand breaks was studied in primary cultured hepatocytes. Buthionine sulfoximine (BSO) which decreased intracellular GSH to 13% of those of the control levels increased DNA fragmentation of AFB1-treated hepatocytes by over 17% of those without BSO. Thus, a decrease in hepatocyte GSH levels increased AFB1-induced DNA damage. Although ethanol in itself did not induce DNA damage, a combination of BSO and ethanol increased the percentage by over 23% of that with BSO only. Ethanol did not affect the amount of GSH, total cytochrome P-450 (P450), glutathione S-transferase (GST) and epoxide hydrolase (EHase) in cultured hepatocytes. However, GSH-depleted rat hepatocytes exposed to ethanol significantly increased the level of P450IIIA, which activates AFB1. The enhancing effects of ethanol in the presence of BSO are probably due to the induction of this isozyme in rat hepatocytes. The GSH-depleted hepatocytes are more susceptible to chemical carcinogens in the presence of ethanol.

journal_name

Int J Oncol

authors

Tsutsumi N,Miyazaki K

doi

10.3892/ijo.4.1.123

subject

Has Abstract

pub_date

1994-01-01 00:00:00

pages

123-7

issue

1

eissn

1019-6439

issn

1791-2423

journal_volume

4

pub_type

杂志文章
  • Modulation of Doxorubicin sensitivity and level of p-glycoprotein expression in human colon-carcinoma cells by ectopic and orthotopic environments in nude-mice.

    abstract::The purpose of the study was to determine whether the organ environment can influence the response of colon cancer cells to chemotherapy. The highly metastatic human colon cancer cell line KM12L4, previously selected for production of liver metastases in nude mice, was injected into the cecal wall and into the spleen ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.3.3.413

    authors: Wilmanns C,Fan D,Obrian C,Radinsky R,Bucana C,Tsan R,Fidler I

    更新日期:1993-09-01 00:00:00

  • Messenger-rnas for activin and activin receptors are expressed in fetal bovine heart endothelial-cells.

    abstract::Inhibin and activin, members of transforming growth factor beta (TGF beta) superfamily, have been localized immunohistochemically in fetal bovine heart endothelial cells (FBHE), suggesting that these cells produce inhibin/activin proteins. In addition, the mRNAs coding for alpha-, and beta A-subunits of inhibin/activi...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.7.4.759

    authors: Ying S,Zhang Z

    更新日期:1995-10-01 00:00:00

  • Emerging targeted therapies for melanoma treatment (review).

    abstract::Cutaneous melanoma is an aggressive cancer with a poor prognosis for patients with advanced disease. The identification of several key molecular pathways implicated in the pathogenesis of melanoma has led to the development of novel therapies for this devastating disease. In melanoma, both the Ras/Raf/MEK/ERK (MAPK) a...

    journal_title:International journal of oncology

    pub_type: 杂志文章,评审

    doi:10.3892/ijo.2014.2481

    authors: Russo A,Ficili B,Candido S,Pezzino FM,Guarneri C,Biondi A,Travali S,McCubrey JA,Spandidos DA,Libra M

    更新日期:2014-08-01 00:00:00

  • Antiangiogenic and antitumor effects of tranilast on mouse lung carcinoma cells.

    abstract::We examined the effects of tranilast on tumor angiogenesis, tumor growth and metastasis in the mouse Lewis lung carcinoma and C57BL mouse system. Tranilast significantly reduced the dense capillary network induced by Lewis lung cancer cells in a mouse dorsal air sac angiogenesis model. Intraperitoneal administration o...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.17.6.1151

    authors: Yatsunami J,Aoki S,Fukuno Y,Kikuchi Y,Kawashima M,Hayashi SI

    更新日期:2000-12-01 00:00:00

  • Influence of insulin-like growth factor-I antiserum to proliferation of T-cell receptor-activated human T-lymphocytes.

    abstract::We have previously reported that Insulin-like growth factor (IGF-I) is a cellular growth factor of human transformed T-lymphocytes. To evaluate the role of IGF-I for nontransformed T-cells we investigated synthesis of IGF-I and the influence of an IGF-I antiserum, UBK487, during proliferation process. IGF-I is synthes...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2.6.1003

    authors: Hartmann K,Teckentrup R,Nixdorf D,Meuer S,Papa V,Heinrich U

    更新日期:1993-06-01 00:00:00

  • Analysis of cell kinetics after gamma-ray irradiation using an anti-BrdU monoclonal antibody.

    abstract::The cell cycle was analyzed using double staining with an anti-bromodeoxyuridine (BrdU) monoclonal antibody and propidium iodide (PI). Changes in cell kinetics after irradiation were compared with those seen by the conventional PI-based DNA histogram method. The effect of irradiation on cell kinetics has been studied ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.12.2.345

    authors: Murata T,Akagi K,Nasu R,Kimura H,Tanaka Y

    更新日期:1998-02-01 00:00:00

  • Sentinel node localisation: A new prospective in the treatment of nodal melanoma metastases.

    abstract::Sentinel node (SN) mapping and biopsy is a procedure that accurately stages the regional lymph node (LN) basin. Defined patterns of lymphatic drainage allow intraoperative determination of the first (sentinel) lymph node in the regional basin, and the absence of metastatic disease in the SN accurately reflects the abs...

    journal_title:International journal of oncology

    pub_type: 杂志文章,评审

    doi:10.3892/ijo.15.1.25

    authors: Gennari R,Stoldt HS,Bartolomei M,Zurrida S,Testori A,Mazzarol G,Paganelli G,Veronesi U

    更新日期:1999-07-01 00:00:00

  • Tumor suppressor microRNA-34a inhibits cell migration and invasion by targeting MMP-2/MMP-9/FNDC3B in esophageal squamous cell carcinoma.

    abstract::MicroRNAs (miRNAs) are a large family of small, non-coding RNAs that play a pivotal role in tumorigenesis. miR‑34a, which is a member of the miR-34 family, is a downstream target of p53. Increasing evidence shows that miR-34a dysregulation may contribute to tumor development and progression in numerous cancers, includ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2017.4015

    authors: Yang L,Song X,Zhu J,Li M,Ji Y,Wu F,Chen Y,Cui X,Hu J,Wang L,Cao Y,Wei Y,Zhang W,Li F

    更新日期:2017-07-01 00:00:00

  • Differential expression of hsp90, gelsolin and gst-pi in human gastric-carcinoma cell-lines.

    abstract::We have analyzed proteins produced in Various human gastric carcinoma cell lines and normal gastric mucosa. The production of HSP90 increased in eight gastric carcinoma cell lines. Gelsolin content was down-regulated in seven gastric carcinoma cell lines. Furthermore, the production of GST-pi increased in a poorly dif...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.5.6.1347

    authors: Moriya S,Yanagihara K,Fujita H,Kuzumaki N

    更新日期:1994-12-01 00:00:00

  • Enhancement of tumor uptakes by stabilized Fab homo-oligomers of a chimeric monoclonal antibody against carcinoembryonic antigen.

    abstract::We investigated the effect of stabilized Fab oligomerization by disuccinimidyl suberate on tumor uptake in a pancreatic carcinoma xenograft model in nude mice. Recombinant mouse/human chimeric Fab of the anti-carcinoembryonic antigen (CEA) monoclonal antibody A10, which was previously shown to react specifically with ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.14.1.139

    authors: Kamigaki T,Ajiki T,Yamamoto M,Kuroda Y

    更新日期:1999-01-01 00:00:00

  • Prostate apoptosis response-4 is involved in the apoptosis response to docetaxel in MCF-7 breast cancer cells.

    abstract::Experimental evidence indicates that prostate apoptosis response-4 (Par-4, also known as PAWR) is a key regulator of cancer cell survival and may be a target for cancer-selective targeted therapeutics. Par-4 was first identified in prostate cancer cells undergoing apoptosis. Both intracellular and extracellular Par-4 ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2013.1983

    authors: Pereira MC,de Bessa-Garcia SA,Burikhanov R,Pavanelli AC,Antunes L,Rangnekar VM,Nagai MA

    更新日期:2013-08-01 00:00:00

  • Inositol hexaphosphate limits the migration and the invasiveness of colorectal carcinoma cells in vitro.

    abstract::Inositol hexaphosphate (IP6), also known as phytic acid, has been shown to exhibit anticancer effects in a number of preclinical tumor models. IP6 decreases proliferation by arresting cells in the G0/G1 phase, inhibits iron-mediated oxidative reactions, enhances differentiation and stimulates apoptosis. The present st...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2018.4488

    authors: Schröterová L,Ježková A,Rudolf E,Caltová K,Králová V,Hanušová V

    更新日期:2018-10-01 00:00:00

  • Knockdown of TWIST enhances the cytotoxicity of chemotherapeutic drugs in doxorubicin-resistant HepG2 cells by suppressing MDR1 and EMT.

    abstract::The transcription factor twist family bHLH transcription factor 1 (TWIST), which is a member of the basic helix-loop-helix class of proteins, is known to induce epithelial-mesenchymal transition (EMT) and promote cancer metastasis. TWIST has previously been reported to be associated with multidrug resistance (MDR), si...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2018.4495

    authors: Li R,Wu C,Liang H,Zhao Y,Lin C,Zhang X,Ye C

    更新日期:2018-10-01 00:00:00

  • Establishment and characterization of a novel cell line (cc‑006cpm8) of moderately/poorly differentiated colorectal adenocarcinoma derived from a primary tumor of a patient.

    abstract::In the present study, the cc‑006cpm8 novel colon cell line was established from a sample of right colorectal adenocarcinoma obtained from a woman with liver metastasis. It was possible to culture this cell line for ≥100 passages in vitro with vigorous growth. Morphologically, the cells grew as several layers with tigh...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2019.4806

    authors: Chu X,Xue Y,Huo X,Wei J,Chen Y,Han R,Chen H,Su X,Zhang H,Gong Y,Chen J

    更新日期:2019-07-01 00:00:00

  • Hypoxia reduces CD138 expression and induces an immature and stem cell-like transcriptional program in myeloma cells.

    abstract::Although CD138 expression is a hallmark of plasma cells and myeloma cells, reduced CD138 expression is occasionally found. However, the mechanisms underlying CD138 downregulation in myeloma cells remain unclear. Previous reports suggest that the bone marrow microenvironment may contribute to CD138 downregulation. Amon...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2013.2134

    authors: Kawano Y,Kikukawa Y,Fujiwara S,Wada N,Okuno Y,Mitsuya H,Hata H

    更新日期:2013-12-01 00:00:00

  • Serum miR-210 as a potential biomarker of early clear cell renal cell carcinoma.

    abstract::Early detection and treatment are critical in the management of renal cell carcinoma (RCC). However, there is no standard serum biomarker to facilitate early diagnosis or prognostic stratification in patients with RCC. Recent reports suggest that circulating microRNAs (miRNAs) have great potential as biomarkers for di...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2013.2169

    authors: Iwamoto H,Kanda Y,Sejima T,Osaki M,Okada F,Takenaka A

    更新日期:2014-01-01 00:00:00

  • Transcriptional antagonism between p53 and sv40 T-antigen.

    abstract::In this communication we show that overexpression of the human TATA-binding protein (TBP) activates a synthetic promoter with p53-binding sites in the presence of wild-type p53. No activation is observed in the absence of wild-type p53 in Saos-2 cells. Perhaps, TBP is limiting in these cells for the p53-mediated activ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:

    authors: Deb S,Brown D,Lega H,Deb S

    更新日期:1995-01-01 00:00:00

  • ONO-4007, a synthetic lipid A analog, induces Th1-type immune response in tumor eradication and restores nitric oxide production by peritoneal macrophages.

    abstract::We have reported that ONO-4007, a novel synthetic lipid A derivative with low toxic activities, produced large amount of tumor necrosis factor (TNF)-alpha selectively in the tumor tissues and brought about complete cures in about 60% of rats bearing TNF-alpha sensitive KDH-8 cells, which also secreted a large amount o...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:

    authors: Matsushita K,Kuramitsu Y,Ohiro Y,Kobayashi I,Watanabe T,Kobayashi M,Hosokawa M

    更新日期:2003-08-01 00:00:00

  • Characterization of side population cells isolated from the colon cancer cell line SW480.

    abstract::Side population (SP) cells may play a crucial role in tumorigenesis and the recurrence of cancer. Many types of cell lines and tissues have demonstrated the presence of SP cells, including colon cancer cell lines. This study aimed to identify cancer stem cells (CSCs) in the SP of the colon cancer cell line SW480. SP c...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2014.2498

    authors: Xiong B,Ma L,Hu X,Zhang C,Cheng Y

    更新日期:2014-09-01 00:00:00

  • A dynamic interplay between alternative polyadenylation and microRNA regulation: implications for cancer (Review).

    abstract::Alternative polyadenylation and microRNA regulation are both mechanisms of post-transcriptional regulation of gene expression. Alternative polyadenylation often results in mRNA isoforms with the same coding sequence but different lengths of 3' UTRs, while microRNAs regulate gene expression by binding to specific mRNA ...

    journal_title:International journal of oncology

    pub_type: 杂志文章,评审

    doi:10.3892/ijo.2013.2047

    authors: An J,Zhu X,Wang H,Jin X

    更新日期:2013-10-01 00:00:00

  • Sulforaphane and its metabolite mediate growth arrest and apoptosis in human prostate cancer cells.

    abstract::The relation between the consumption of cruciferous vegetables and reduced prostate cancer occurrence has been documented, although the responsible phytochemicals are unknown. The effects of sulforaphane (SFN) which occurs as the precursor glucosinolate in broccoli and other cruciferous vegetables, and its metabolite ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.20.3.631

    authors: Chiao JW,Chung FL,Kancherla R,Ahmed T,Mittelman A,Conaway CC

    更新日期:2002-03-01 00:00:00

  • Methylation of the CA9 promoter can modulate expression of the tumor-associated carbonic anhydrase IX in dense carcinoma cell lines.

    abstract::CA IX is a tumor-associated transmembrane isoform of the carbonic anhydrase with a high enzyme activity and a functional involvement in the pH regulation and cell adhesion. Expression of CA9 gene in tumor cells is principally regulated by the high cell density and the hypoxia-related VHL-HIF pathway. In renal cell car...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:

    authors: Jakubicková L,Biesová Z,Pastoreková S,Kettmann R,Pastorek J

    更新日期:2005-04-01 00:00:00

  • A novel curcuminoid exhibits enhanced antitumor activity in nasopharyngeal carcinoma.

    abstract::Curcumin shows growth-inhibition against tumor cells through multi-target mechanisms. Nevertheless, the poor stability and pharmacokinetics considerably limit its clinical functions. Increased effort has been put into the chemical alteration of curcumin to find potential analogues with improved bioavailability and ant...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2016.3425

    authors: Pan Y,Liu G,Xiao J,Su B,Zhou F,Wei Y

    更新日期:2016-05-01 00:00:00

  • Salinomycin and its derivatives as potent RET transcriptional inhibitors for the treatment of medullary thyroid carcinoma.

    abstract::Rearranged during transfection kinase (RET) is a validated molecular target in medullary thyroid cancer (MTC), as activating mutations in RET are often associated with the development of MTC. The present study reports the first preclinical characterization of salinomycin and selected analogs as potent RET transcriptio...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2019.4916

    authors: Alqahtani T,Kumarasamy VM,Huczyński A,Sun D

    更新日期:2020-01-01 00:00:00

  • Differential mechanisms of multidrug resistance are expressed during stepwise selection of KB-3-1 cells with adriamycin.

    abstract::A major limitation of cancer chemotherapy is development of resistance. In this study, we analyzed KB-3-1 cells and adriamycin-selected multidrug resistant sublines KB-A1 and KB-A10 cells for mechanisms of resistance. KB-A10 cells are 10-fold more resistant than KB-A1 cells but have lower P-glycoprotein. Of the known ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.11.5.1025

    authors: Villagra L,Darling A,Yassa D,Scheper R,Tritton T,Bhushan A

    更新日期:1997-11-01 00:00:00

  • Fenofibrate inhibits tumour intravasation by several independent mechanisms in a 3-dimensional co-culture model.

    abstract::Lymph node metastasis of breast cancer is a clinical marker of poor prognosis. Yet, there exist no therapies targeting mechanisms of intravasation into lymphatics. Herein we report on an effect of the antidyslipidemic drug fenofibrate with vasoprotective activity, which attenuates breast cancer intravasation in vitro,...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2017.3956

    authors: Nguyen CH,Huttary N,Atanasov AG,Chatuphonprasert W,Brenner S,Fristiohady A,Hong J,Stadler S,Holzner S,Milovanovic D,Dirsch VM,Kopp B,Saiko P,Krenn L,Jäger W,Krupitza G

    更新日期:2017-05-01 00:00:00

  • Long-term suppression of telomerase expression in HeLa cell clones, transfected with an expression vector carrying siRNA targeting hTERT mRNA.

    abstract::HeLa cell cultures were used as model systems for small interfering RNA (siRNA) induced knockdown of mRNA expression of the human telomerase catalytic subunit, telomerase reverse transcriptase (hTERT). Four 21-bp siRNAs targeting different sites of the hTERT mRNA were designed, and the siRNA molecules produced by a T7...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:

    authors: Kurvinen K,Syrjänen S,Johansson B

    更新日期:2006-07-01 00:00:00

  • Nuclear-DNA content and p53 immunostaining in oral squamous-cell carcinoma - an analysis of a consecutive 10-year material.

    abstract::In a retrospective analysis of 91 consecutive oral carcinomas we reviewed all patient records and weighed clinicopathological parameters against the results of image DNA cytometry and p53 immunhistochemical staining of the initial diagnostic biopsies. Eighty-seven percent of the biopsies were either aneuploid or nondi...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.5.4.915

    authors: Hogmo A,Munckwikland E,Kuylenstierna R,Lindholm J,Auer G

    更新日期:1994-10-01 00:00:00

  • Ciprofloxacin triggers the apoptosis of human triple-negative breast cancer MDA-MB-231 cells via the p53/Bax/Bcl-2 signaling pathway.

    abstract::Fluoroquinolone antibiotics induce cytotoxicity in various cancer cell lines and may therefore represent a potentially important source of novel anticancer agents. The aim of the present study was to examine the effect of ciprofloxacin on the viability, redox balance, apoptosis, expression of p53, Bax and Bcl-2, cell ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2018.4310

    authors: Beberok A,Wrześniok D,Rok J,Rzepka Z,Respondek M,Buszman E

    更新日期:2018-05-01 00:00:00

  • Expression of TMPRSS4 in non-small cell lung cancer and its modulation by hypoxia.

    abstract::Overexpression of TMPRSS4, a cell surface-associated transmembrane serine protease, has been reported in pancreatic, colorectal and thyroid cancers, and has been implicated in tumor cell migration and metastasis. Few reports have investigated both TMPRSS4 gene expression levels and ...

    journal_title:International journal of oncology

    pub_type: 杂志文章

    doi:10.3892/ijo.2012.1513

    authors: Nguyen TH,Weber W,Havari E,Connors T,Bagley RG,McLaren R,Nambiar PR,Madden SL,Teicher BA,Roberts B,Kaplan J,Shankara S

    更新日期:2012-09-01 00:00:00