Determination of intracellular reduced glutathione and glutathione related enzyme activities in cisplatin-sensitive and resistant experimental ovarian carcinoma cell lines.

abstract：:The possibility that lithium ions stimulate growth of mammary tumors in vivo has been suggested by their mitogenic action in vitro on normal and neoplastic mammary epithelium [8] and their clinical use as stimulators of neutrophil production in tumor-bearing patients treated with cytotoxic drugs [14,15]. Three experim...

journal_title：Cancer letters

authors： Ziche M,Maiorana A,Oka T,Gullino PM

更新日期：1980-05-01 00:00:00

abstract：:The cooking of meat and fish produces heterocyclic amine mutagens, including 2-amino-1-methyl-6-phenylimidazo[4,5b]pyridine (PhIP) and 2-amino-3-methylimidazo[4,5-f]quinoline (IQ). Chronic administration of PhIP or IQ to the F344 rat induces tumors at several sites, including adenocarcinomas of the colon, and short-te...

journal_title：Cancer letters

authors： Xu M,Dashwood RH

更新日期：1999-09-01 00:00:00

abstract：:Suspensions of Walker and HeLa cells, rat fibroblasts and human stimulated lymphocytes were incubated over various periods with the synthetic amino steroid, 2 beta,16 beta-dipiperidino-5 alpha-androstane-3 alpha,17 beta-diol dipivalate (DAP). The acute cell destroying effect was found to be exponentially time and dose...

journal_title：Cancer letters

authors： Emminger A,Kahmann E,Savage DS

更新日期：1977-03-01 00:00:00

abstract：:We analysed the expression of BIRC5 and BIRC5-2B in primary neuroblastoma (NB) tumors and NB model systems. In tumors, overexpression of BIRC5 correlated closely with its isoform BIRC5-2B. Expression of both transcripts was stage-dependent, associated with poor prognosis and with the expression of the transcription fa...

journal_title：Cancer letters

authors： Eckerle I,Muth D,Batzler J,Henrich KO,Lutz W,Fischer M,Witt O,Schwab M,Westermann F

更新日期：2009-11-18 00:00:00

abstract：:Approximately 25% of stage III colorectal cancer patients do not benefit from standard adjuvant chemotherapies. To identify biomarkers for nonresponders, fresh-frozen tissues of 19 nonresponders and 16 responders were analyzed with gene expression and microRNA arrays. Fifty-nine genes and 17 miRNAs were differentially...

journal_title：Cancer letters

authors： Dou R,Deng Y,Huang L,Fu S,Tan S,Wang L,Lian L,Fang L,Fan X,Jin G,Liu H,Wang J

更新日期：2013-08-09 00:00:00

abstract：:ING family genes (Inhibitor of Growth) are tumor suppressor genes that play a vital role in cell homeostasis. It has been shown that their expression is lost or diminished in many cancers and other diseases. The main mechanisms by which they are regulated in oncogenesis have not yet been fully elucidated. The involvem...

journal_title：Cancer letters

authors： Gournay M,Paineau M,Archambeau J,Pedeux R

更新日期：2019-04-10 00:00:00

abstract：:New, potentially tumor-specific antigens have been described in Bcr/Abl positive leukemias. Besides the main BCR/ABL hybrid fusion transcripts, a small number of transcripts derived from alternative splicing between BCR exons 1, 13, and 14 with ABL exons 4 and 5 have been identified. These variants are expressed in ch...

journal_title：Cancer letters

authors： Casnici C,Volpe G,Lattuada D,Crotta K,Kuka M,Panuzzo C,Mastrotto C,Tonon G,Fazio VM,Saglio G,Marelli O

更新日期：2009-04-08 00:00:00

abstract：:Macrophage migration inhibitory factor (MIF) is up-regulated in diverse solid tumors and acts as the critical link between immune response and tumorigenesis. In this study, we demonstrated that MIF overexpression promoted migration of breast cancer cells by elevating TLR4 expression. Further investigation evidenced th...

journal_title：Cancer letters

authors： Lv W,Chen N,Lin Y,Ma H,Ruan Y,Li Z,Li X,Pan X,Tian X

更新日期：2016-06-01 00:00:00

abstract：:Two-month-old outbred female LIO rats were exposed weekly to 15 (experiment I, groups 1, 2 and 3) or to 5 (experiment II, groups 4, 5 and 6) subcutaneous injections of 1,2-dimethylhydrazine (DMH) at a single dose of 21 mg/kg of body weight. From the day of the first injection of the carcinogen, the rats from groups 2,...

journal_title：Cancer letters

authors： Anisimov VN,Zabezhinski MA,Popovich IG,Berstein LM,Kovalenko IG,Lieberman AI,Shmidt JL

更新日期：1999-04-26 00:00:00

abstract：:Chemically-induced mutagenesis and carcinogenesis is modulated by various plant products, some of which are present in the human diet. 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), a potent carcinogen in tobacco and tobacco smoke, is activated by microsomal enzymes. In this study, we investigated the effects o...

journal_title：Cancer letters

authors： Miller CH,Zhang Z,Hamilton SM,Teel RW

更新日期：1993-11-30 00:00:00

abstract：:Human epidermal growth factor receptor 2 (HER2) is an attractive target for cancer vaccine. However, autoimmune tolerance prevents vaccines based on HER2 protein from inducing long-lasting, highly effective anti-tumor immunity. In this study, we proved that the introduction of p-nitrophenylalanine in the universal T c...

journal_title：Cancer letters

authors： Tian H,He Y,Song X,Jiang L,Luo J,Xu Y,Zhang W,Gao X,Yao W

更新日期：2018-08-28 00:00:00

abstract：:Chronic myeloproliferative disorders (CMPD) are clonal disorders of the hematopoietic stem cell. The myeloid lineage shows increased proliferation with effective maturation, while peripheral leukocytosis, thrombocytosis or elevated red blood cell mass are found. In Philadelphia negative CMPD recurrent cytogenetic abno...

journal_title：Cancer letters

authors： Panani AD

更新日期：2007-09-18 00:00:00

abstract：:In this study we combined flow cytometry with fluorescence in situ hybridization to detect numerical aberrations in chromosomes. Fifty-nine human malignant gliomas were examined by flow cytometry for DNA-content and cell cycle analysis and for numerical aberrations of chromosome 1 by in situ hybridization using a chro...

journal_title：Cancer letters

authors： Ehemann V,Hashemi B,Lange A,Otto HF

更新日期：1999-04-26 00:00:00

abstract：:The lack of effective anti-tumor therapy for renal cell carcinoma (RCC) has stimulated the search for novel target whose inhibition could block tumorigenesis. Recently, reduced DLC-1 has been shown to be associated with aggressive and highly metastatic renal cell carcinoma. In this study, the biological role of DLC-1 ...

journal_title：Cancer letters

authors： Zhang T,Zheng J,Jiang N,Wang G,Shi Q,Liu C,Lu Y

更新日期：2009-09-28 00:00:00

abstract：:Although novel agents effective against malignant mesothelioma (MM) have been developed, the prognosis of patients with MM is still poor. We generated a DNA-chimeric siRNA against polo-like kinase-1 (PLK-1), which was more stable in human serum than the non-chimeric siRNA. The chimeric PLK-1 siRNA inhibited MM cell pr...

journal_title：Cancer letters

authors： Kawata E,Ashihara E,Nakagawa Y,Kiuchi T,Ogura M,Yao H,Sakai K,Tanaka R,Nagao R,Yokota A,Takeuchi M,Kimura S,Hirai H,Maekawa T

更新日期：2010-08-28 00:00:00

abstract：:Large marker chromosomes were found in 2 hormone-independent (HI) GR mouse mammary tumors, i.e. a tumor (TSl 75) that was already HI at the first transplantation, and a tumor (TSl 66) that became HI at the 19th passage. These marker chromosomes appear to be translocations to distal and proximal ends of chromosome 1, r...

journal_title：Cancer letters

authors： Sluyser M,Evers P,Hilgers J

更新日期：1985-06-01 00:00:00

abstract：:Retinoic acid and retinol induced functional and morphological differentiation of human promyelocytic leukemia cells (HL-60) into mature granulocytes, but did not induce functional or morphological differentiation of mouse myeloid leukemia cells (M1). Cellular retinoic acid-binding protein, but not retinol-binding pr...

journal_title：Cancer letters

authors： Takenaga K,Honma Y,Hozumi M

更新日期：1981-06-01 00:00:00

abstract：:Aristolochic acid (AA), a naturally occurring nephrotoxin and carcinogen, has been associated with the development of urothelial cancer in humans. Using the 32P-postlabeling assay we showed that AAI is activated by human recombinant cytochrome P450 (CYP) 1A1, CYP1A2 and NADPH:CYP reductase to species generating DNA ad...

journal_title：Cancer letters

authors： Stiborová M,Sopko B,Hodek P,Frei E,Schmeiser HH,Hudecek J

更新日期：2005-11-18 00:00:00

abstract：:Binding of 1-nitro[14C]pyrene (1-NP) or its metabolites to cellular DNA and protein in cultures of rabbit alveolar macrophages and lung and tracheal tissues was examined. DNA binding was highest in tracheal tissue (136.9 +/- 18.3 pmol 1-NP/mg DNA). DNA binding in macrophages and lung tissue was one-fifth of the level ...

journal_title：Cancer letters

authors： King LC,Jackson M,Ball LM,Lewtas J

更新日期：1983-07-01 00:00:00

abstract：:Hypoxia-inducible factor 1 (HIF-1) is a heterodimeric transcription factor composed of alpha and beta subunits, which plays an essential role in cancer cell hypoxia adaptation, glycolysis, and angiogenesis. Normally, HIF-1alpha protein, the dominant subunit of HIF-1, is accumulated in nuclei when cells are exposed to ...

journal_title：Cancer letters

authors： Zhong H,Mabjeesh N,Willard M,Simons J

更新日期：2002-07-26 00:00:00

abstract：:Cancer stem cells (CSCs) represent a minor population that have clonal tumor initiation and self-renewal capacity and are responsible for tumor initiation, metastasis, and therapeutic resistance. CSCs reside in niches, which are composed of diverse types of stromal cells and extracellular matrix components. These stro...

journal_title：Cancer letters

authors： Saijo A,Goto H,Nakano M,Mitsuhashi A,Aono Y,Hanibuchi M,Ogawa H,Uehara H,Kondo K,Nishioka Y

更新日期：2018-05-01 00:00:00

abstract：:The role of mesothelial cells in the intraperitoneal spread of ovarian cancer is still elusive. In particular, it is unclear whether these cells constitute a passive barrier preventing cancer cell progression or perhaps act as an active promoter of this process. In this report we show that omental human peritoneal mes...

journal_title：Cancer letters

authors： Mikuła-Pietrasik J,Sosińska P,Kucińska M,Murias M,Maksin K,Malińska A,Ziółkowska A,Piotrowska H,Woźniak A,Książek K

更新日期：2014-12-28 00:00:00

abstract：:In order to discover the role in the promotion process of 5-lipoxygenase (5-LO), a key enzyme in the arachidonate cascade, the antipromoting effects of the 5-LO inhibiting 3-nitro-2,4,6-trihydroxybenzamide (NTB) derivatives were studied in a two-stage transformation assay system using BALB 3T3 cells. All compounds inh...

journal_title：Cancer letters

authors： Semba M,Honda I,Shibagaki M,Nishi Y

更新日期：1993-07-30 00:00:00

abstract：:We used antisense RNA to inhibit the expression of oncogene neu and investigated the effects of diminished neu expression on the phenotypes of B104 cells containing activated oncogene neu. Antisense MT-neu and pSV-neo plasmids were cotransfected into neuroblastoma B104 cells. Southern analysis showed the integration o...

journal_title：Cancer letters

authors： Shaw YT,Chang SH,Chiou ST,Chang WC,Lai MD

更新日期：1993-04-15 00:00:00

abstract：:Mesenchymal stem cells (MSCs) are the first type of stem cells to be utilized in clinical regenerative medicine, mainly owing to their capacity for multipotent differentiation and the feasibility of autologous transplantation. More recently, the specific tumor-oriented migration and incorporation of MSCs have been dem...

journal_title：Cancer letters

authors： Dai LJ,Moniri MR,Zeng ZR,Zhou JX,Rayat J,Warnock GL

更新日期：2011-06-01 00:00:00

abstract：:Inherent DNA damage in the form of single strand breaks and alkali labile sites is generated by essential intracellular processes, such as DNA replication and repair. Utilizing the in situ DNA unwinding assay and the comet assay (single cell gel), we have observed high levels of alkali induced DNA strand breaks in cel...

journal_title：Cancer letters

authors： Fairbairn DW,Reyes WA,O'Neill KL

更新日期：1994-06-15 00:00:00

abstract：:Urethane-induced lung tumors and their genetic changes were investigated in transgenic (Tg) mice carrying a human prototype c-Ha-ras gene (rasH2 mice). Male and female rasH2 mice and non-transgenic (non-Tg) littermates were injected intraperitoneally with 1000 mg/kg of urethane once or three times at 2-day intervals. ...

journal_title：Cancer letters

authors： Mori I,Yasuhara K,Hayashi SM,Nonoyama T,Nomura T,Mitsumori K

更新日期：2000-05-29 00:00:00

abstract：:The incidence and pattern of ras oncogene mutations in human malignancies demonstrate geographic and racial differences. For example, specificity of alterations is found in cholangiocellular carcinomas in Thai patients with a different etiology from those in Japanese patients. In the present study, a comparison of ras...

journal_title：Cancer letters

authors： Naito H,Pairojkul C,Kitahori Y,Yane K,Miyahara H,Konishi N,Matsunaga T,Hiasa Y

更新日期：1998-09-25 00:00:00

abstract：:Exosomes are biological nanovesicles that are involved in cell-cell communication via the functionally-active cargo (such as miRNA, mRNA, DNA and proteins). Because of their nanosize, exosomes are explored as nanodevices for the development of new therapeutic applications. However, bulk, safe and cost-effective produc...

journal_title：Cancer letters

authors： Munagala R,Aqil F,Jeyabalan J,Gupta RC

更新日期：2016-02-01 00:00:00

abstract：:Glioblastoma multiforme (GBM) is the most malignant form of central nervous system tumor, and current therapies are largely ineffective at treating the cancer. Developing a more complete understanding of the mechanisms controlling the tumor is important in order to explore new possible treatment options. It is specula...

journal_title：Cancer letters

authors： Haley EM,Kim Y

更新日期：2014-04-28 00:00:00