Formation of nitroso compounds and mutagens from cinnarizine, ethambutol, piromidic acid, pyridinol carbamate and tiaramide by drug/nitrite interaction.

abstract：:This study was carried out to evaluate the diagnostic utility of autofluorescence photography for oral mucosal lesions. The materials consisted of 15 chemically-induced lesions containing carcinomas in 15 hamsters, and 32 oral lesions in 30 patients. In the animal models, orange fluorescence was detected in all squamo...

journal_title：Cancer letters

authors： Onizawa K,Saginoya H,Furuya Y,Yoshida H

更新日期：1996-11-12 00:00:00

abstract：:Spectroscopic techniques have demonstrated that in the microscopically normal mucosa, there is an increase in mucosal micro-circulation in patients harboring neoplasia elsewhere in the colon (i.e. marker of field carcinogenesis). However, the physiological and molecular basis of this early increase in blood supply (EI...

journal_title：Cancer letters

authors： Tiwari AK,Crawford SE,Radosevich A,Wali RK,Stypula Y,Kunte DP,Mutyal N,Ruderman S,Gomes A,Cornwell ML,De La Cruz M,Brasky J,Gibson TP,Backman V,Roy HK

更新日期：2011-07-28 00:00:00

abstract：:The identification of the breast cancer susceptibility genes BRCA1 and BRCA2 a few years ago has been greeted with great excitement and has raised hopes that they might illuminate the common mechanisms of this disease. Today we have to recognize that these expectations remain unfulfilled. Mutations in BRCA1 and BRCA2 ...

journal_title：Cancer letters

authors： Schwab M,Claas A,Savelyeva L

更新日期：2002-01-10 00:00:00

abstract：:A hallmark of most cancer cells is an altered metabolism involving a shift to aerobic glycolysis with lactate production coupled with a higher uptake of glucose as the main source of energy. Lactate dehydrogenase 5 (LDH-5) catalyzes the reduction of pyruvate by NADH to form lactate, thus determining the availability o...

journal_title：Cancer letters

authors： Augoff K,Hryniewicz-Jankowska A,Tabola R

更新日期：2015-03-01 00:00:00

abstract：:Butylated hydroxyanisole (BHA) was given to pregnant SPF pigs (Danish Landrace) in doses of 0, 50, 200 and 400 mg/kg body wt per day for 110 days. BHA was mixed in the diet (pelleted). Hyperkeratotic and parakeratotic proliferative changes of the stratified epithelium of the stomach were found at various degree in bot...

journal_title：Cancer letters

authors： Olsen P

更新日期：1983-11-01 00:00:00

abstract：:Considerable evidences have shown that both heat shock transcription factor 1 (HSF1) and autophagy can attenuate the sensitivity of hepatocellular carcinoma (HCC) cells to chemotherapeutic reagents. However, it is still little known whether HSF1 is associated with autophagy in regulating the chemosensitivity of HCC ce...

journal_title：Cancer letters

authors： Zhang N,Wu Y,Lyu X,Li B,Yan X,Xiong H,Li X,Huang G,Zeng Y,Zhang Y,Lian J,Ni Z,He F

更新日期：2017-11-28 00:00:00

abstract：:Hypoxia induces survival signals in hepatocellular carcinoma (HCC). We attempted to find a hypoxia-induced signal that could be used for modulating HCC cell death. Cellular retinoic acid binding protein-II (CRABP-II) expression was significantly increased in hypoxic HCC cells. Treatment with retinoic acid (RA), a liga...

journal_title：Cancer letters

authors： Lee JH,Yoon JH,Yu SJ,Chung GE,Jung EU,Kim HY,Kim BH,Choi DH,Myung SJ,Kim YJ,Kim CY,Lee HS

更新日期：2010-09-28 00:00:00

abstract：:The p53 signaling pathway plays critical roles in determining the radio-sensitivity of normal tissues but is frequently inactivated in cancer. In various cancer cells, p53 has different effects on radio-sensitivity through complex mechanisms. Acetylation of p53 is an important means of post-translational modifications...

journal_title：Cancer letters

authors： Zhang J,Shen L,Sun LQ

更新日期：2015-07-28 00:00:00

abstract：:Hyperproliferation of rectal epithelium is characteristic of families at high genetic risk for large bowel neoplasia, but has not been well-documented in families of sporadic colorectal cancer patients. This was studied in 119 such first degree relatives and 44 comparison subjects without this family history. All scre...

journal_title：Cancer letters

authors： Rozen P,Fireman Z,Fine N,Chetrit A,Lubin F

更新日期：1990-05-30 00:00:00

abstract：:Carcinogenic studies were performed on the skin of inbred male Lister rats using 7,12-dimethylbenz[alpha]anthracene (DMBA) in low doses (2.5 mg and 5.0 mg), followed by promotion with croton oil (CO) in one half of the animals. The clinically observed tumour rate did not differ after the two carcinogen doses and was p...

journal_title：Cancer letters

authors： Spaun E,Arffmann E

更新日期：1992-08-14 00:00:00

abstract：:The role of reactive oxygen species (ROS) and p38 mitogen-activated protein kinases (MAPK) in tanshinones-induced apoptosis was investigated in HepG2 cells in this study. The major tanshinones (cryptotanshinone, dihydrotanshinone, tanshinone I, tanshinone IIA), isolated from Salvia miltiorrhiza, inhibit cell growth an...

journal_title：Cancer letters

authors： Lee WY,Liu KW,Yeung JH

更新日期：2009-11-18 00:00:00

abstract：:The bmi-1 gene was identified as a common proviral integration site in Moloney murine leukemia virus. In the present studies, we cloned and sequenced the rat bmi-1 gene by reverse transcriptase-polymerase chain reaction (RT-PCR) using degenerate PCR primers of homologous sequences between mouse and human. We found 93%...

journal_title：Cancer letters

authors： Osaka M,Koami K,Sugiyama T

更新日期：1998-11-13 00:00:00

abstract：:Hepatitis C virus Core plays a vital role in the development of hepatocellular carcinoma; however, its action mechanism is still controversial. Here, we showed that Core down-regulated levels of p16, resulting in inactivation of Rb and subsequent activation of E2F1, which lead to growth stimulation of hepatocytes. For...

journal_title：Cancer letters

authors： Park SH,Lim JS,Lim SY,Tiwari I,Jang KL

更新日期：2011-11-01 00:00:00

abstract：:The biological characteristic cell locomotion and invasion, melanin content, metalloproteinases and telomerase activity were studied in a parental mouse melanoma cell line B16 and two descendents B16BL6 and B16F10. The invasive potential of melanoma cells was assayed in a transwell cell culture chamber. Melanin conten...

journal_title：Cancer letters

authors： Zhao W,Liu H,Xu S,Entschladen F,Niggemann B,Zänker KS,Han R

更新日期：2001-01-01 00:00:00

abstract：:Monoclonal antibodies were produced and characterized in order to allow the monitoring of the urinary excretion of six modified nucleosides. The specificity of each antibody was determined and competitive solid-phase enzyme-linked immunoassays were designed, the sensitivity of which lay in the pmol range. Detection an...

journal_title：Cancer letters

authors： Reynaud C,Bruno C,Boullanger P,Grange J,Barbesti S,Niveleau A

更新日期：1992-01-31 00:00:00

abstract：:The presence and the involvement of cancer stem-like cells (CSCs) in tumor initiation and progression, and chemo-resistance are documented. Herein, we functionally analyzed melanoma stem-like cells (MSC)/CD133(+) cells on their resistance and response to taxol-induced apoptosis. Besides being taxol resistant, the CD13...

journal_title：Cancer letters

authors： El-Khattouti A,Selimovic D,Haïkel Y,Megahed M,Gomez CR,Hassan M

更新日期：2014-02-01 00:00:00

abstract：:Somatic mutations and chromosome instability are hallmarks of genomic aberrations in cancer cells. Aneuploidies represent common manifestations of chromosome instability, which is frequently observed in human embryos and malignant solid tumors. Activation of human endogenous retroviruses (HERV)-derived loci is documen...

journal_title：Cancer letters

authors： Glinsky GV

更新日期：2016-10-10 00:00:00

abstract：:Over the last decade the linkage between hyperthermia, heat shock proteins and fever with the body's immune system has been well investigated. The immunomodulatory function of hyperthermia has been found to be quite sensitively regulated by temperature, as different levels of heating can bring different modulatory eff...

journal_title：Cancer letters

authors： Zhang HG,Mehta K,Cohen P,Guha C

更新日期：2008-11-28 00:00:00

abstract：:Inclusion of 10% ethanol with 6.8 ppm N-nitrosodiethylamine in the drinking water of strain A male mice resulted in a 4-fold enhancement of multiplicity of lung tumors and a 16-fold increase in incidence of fore-stomach tumors, compared with carcinogen alone. Given with 40 ppm N-nitrosopyrrolidine, ethanol caused a 5....

journal_title：Cancer letters

authors： Anderson LM,Carter JP,Driver CL,Logsdon DL,Kovatch RM,Giner-Sorolla A

更新日期：1993-01-15 00:00:00

abstract：:The notions of inter- and intra-tumour heterogeneity (ITH) have been recognised for many years but recent advances in sequencing technology are allowing the true extent of both forms of heterogeneity to be revealed in detail for the first time. In this review we examine the current evidence for ITH, the possibility of...

journal_title：Cancer letters

authors： Horswell S,Matthews N,Swanton C

更新日期：2013-11-01 00:00:00

abstract：:Inhibition of 5-Lox induces apoptosis in prostate cancer cells by inactivating PKCε which is prevented by 5-oxoETE, and activators of PKCε prevent 5-Lox inhibition-induced apoptosis, suggesting that 5-Lox metabolites exert survival signaling via PKCε. However, mechanisms by which 5-Lox metabolites activate PKCε are no...

journal_title：Cancer letters

authors： Sarveswaran S,Ghosh J

更新日期：2013-08-09 00:00:00

abstract：:HIV protease inhibitors (HIV-PIs) are a class of antiretroviral drugs designed to target the viral protease. Strikingly, these drugs have also been reported to possess antitumor effect. In this study, we evaluated the activity of one HIV-PI, Nelfinavir, against human cervical cancer cells. We found that Nelfinavir inh...

journal_title：Cancer letters

authors： Xiang T,Du L,Pham P,Zhu B,Jiang S

更新日期：2015-08-01 00:00:00

abstract：:Endostatin has been demonstrated to represent a promising novel medicine to treat malignant tumors, and it may be more effective when combined with conventional treatment. Meanwhile, a promising area of research in radiation oncology is the integration of molecular targeting agents to improve the effectiveness of radi...

journal_title：Cancer letters

authors： Zhuang HQ,Yuan ZY

更新日期：2009-09-08 00:00:00

abstract：:The susceptibility of analbuminemic rats, a mutant strain of Sprague-Dawley rats, to bladder carcinogens was examined by testing the agglutinability of isolated bladder epithelial cells by Concanavalin A (Con A). One-week treatment with 0.001% N-butyl-N-(4-hydroxybutyl)nitrosamine (BHBN) in the drinking water or 0.01%...

journal_title：Cancer letters

authors： Honma Y,Kakizoe T,Komatsu H,Niijima T,Sugimura T,Nagase S

更新日期：1983-05-01 00:00:00

abstract：:Osteosarcoma is the most common primary bone tumour in children and adolescents and advanced osteosarcoma patients with evidence of metastasis share a poor prognosis. Osteosarcoma frequently gains resistance to standard therapies highlighting the need for improved treatment regimens and identification of novel therape...

journal_title：Cancer letters

authors： Brown HK,Tellez-Gabriel M,Heymann D

更新日期：2017-02-01 00:00:00

abstract：:In situ markers for quantitative analysis of cell proliferation and apoptotic cell death have been used to evaluate both the proliferation level and net growth potential of preneoplastic nodules and malignant tumor tissues from rats experimentally induced for hepatocarcinogenesis by the dietary administration of 2-ace...

journal_title：Cancer letters

authors： Kong J,Ringer DP

更新日期：1996-08-02 00:00:00

abstract：:Human epidermal growth factor receptor 2 (HER2), a member of the HER family of tyrosine kinases and a binding partner of Heat shock protein 90 (Hsp90), is found amplifies in approximately 25% breast cancers. Treatment of HER2+ breast cancers has been greatly improved in recent years, but the accompanying upregulation ...

journal_title：Cancer letters

authors： Huang W,Wu QD,Zhang M,Kong YL,Cao PR,Zheng W,Xu JH,Ye M

更新日期：2015-01-28 00:00:00

abstract：:As a tumor antigen, mesothelin (MSLN) can be identified in various malignancies. MSLN is potential for antigen-specific cancer vaccines. We generated a novel chimeric DNA vaccine using antigen-specific connective tissue growth factor lined with MSLN (CTGF/MSLN). The anti-tumor effects of the CTGF/MSLN DNA vaccine comb...

journal_title：Cancer letters

authors： Chen YL,Chang MC,Chiang YC,Lin HW,Sun NY,Chen CA,Sun WZ,Cheng WF

更新日期：2018-07-01 00:00:00

abstract：:Bcl-2 agonist of cell death (BAD) is a BH3-only member of the Bcl-2 family which possesses important regulatory function in apoptosis. BAD has also been shown to possess many non-apoptotic functions closely linked to cancer including regulation of glycolysis, autophagy, cell cycle progression and immune system develop...

journal_title：Cancer letters

authors： Bui NL,Pandey V,Zhu T,Ma L,Basappa,Lobie PE

更新日期：2018-02-28 00:00:00

abstract：:The effect of selenium was examined on the growth potential of normal, preneoplastic and neoplastic mammary cells grown in primary monolayer cell cultures and on 3 established mammary cell lines. Selenium, present as Na2SeO3 in serum-free DMEM, inhibited all mammary cell cultures at 1 x 10(-5) M. Selenium, at 5 x 10(-...

journal_title：Cancer letters

authors： Medina D,Oborn CJ

更新日期：1981-09-01 00:00:00