Functional Smoothened is required for expression of GLI3 in colorectal carcinoma cells.

abstract：:The growth of a transplantable myeloid leukaemia into its syngeneic host is accompanied by a progressive increase in the number of blood monocytes. These were shown to be of host origin and were not derived from the inoculated leukaemia cells. The host response which is responsible for the monocytosis differs from tha...

journal_title：Cancer letters

authors： Gauci CL,Wrathmell A,Alexander P

更新日期：1975-09-01 00:00:00

abstract：:Glioblastoma multiforme (GBM) is one of the most aggressive human tumors with poor prognosis. Current standard treatment includes chemotherapy using DNA alkylating agent temozolomide (TMZ) concomitant with surgical resection and/or irradiation. However, GBM patients exhibit various levels of the elevated expression of...

journal_title：Cancer letters

authors： Kohsaka S,Takahashi K,Wang L,Tanino M,Kimura T,Nishihara H,Tanaka S

更新日期：2013-04-30 00:00:00

abstract：:The Wnt signaling pathway has long been known to direct growth and patterning during embryonic development. Recent evidence also implicates this pathway in the development of childhood tumors of the liver, the kidney, the brain, and the pancreas. Here, we review the current evidence on how constitutive activation of t...

journal_title：Cancer letters

authors： Koesters R,von Knebel Doeberitz M

更新日期：2003-08-20 00:00:00

abstract：:Pancreatic cancer remains a highly lethal malignancy. We have recently shown that simultaneous expression of Kras and mutant Tp53R175H promotes invasive ductal adenocarcinoma from pancreatic ductal cells. We hypothesized specific mutations in TP53 have divergent mechanisms of transforming ductal cells. In order to und...

journal_title：Cancer letters

authors： Polireddy K,Singh K,Pruski M,Jones NC,Manisundaram NV,Ponnela P,Ouellette M,Van Buren G,Younes M,Bynon JS,Dar WA,Bailey JM

更新日期：2019-07-01 00:00:00

abstract：:It has been nearly 9years since the FDA (Food and Drug Administration) approved the first anti-angiogenic drug (bevacizumab) for treatment of metastatic colorectal cancer. Other angiogenic inhibitors have since been approved or are in different stages of clinical trials. However, continued clinical and preclinical inv...

journal_title：Cancer letters

authors： Shojaei F

更新日期：2012-07-28 00:00:00

abstract：:Chromosome 22q shows a high frequency of loss of heterozygosity (LOH) in ovarian cancers suggesting the existence of one or more important tumor suppressor genes (TSGs). The tissue inhibitor of metalloproteinase-3 (TIMP-3) is a plausible TSG candidate since it is often encompassed within these regions of LOH. TIMP-3 h...

journal_title：Cancer letters

authors： Liu MC,Choong DY,Hooi CS,Williams LH,Campbell IG

更新日期：2007-03-08 00:00:00

abstract：:A series of experiments was carried out to assess cytotoxic and cytogenetic effects in bone marrow polychromatic erythrocytes (PCE) and pulmonary alveolar macrophages (PAM) resulting from individual or combined exposure of male BD6 rats to ethanol, cigarette smoke and Aroclor 1254. Addition of 5% ethanol to drinking w...

journal_title：Cancer letters

authors： Balansky RM,Blagoeva PM,Mircheva ZI,de Flora S

更新日期：1993-08-31 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：:Absent or altered differentiation is one of the major features of cancer cells. Histone deacetylases (HDACs) play a central role in the epigenetic regulation of gene expression. Aberrant activity of HDACs has been documented in several types of cancers, leading to the development of HDAC inhibitors (HDACi) as anti-tum...

journal_title：Cancer letters

authors： Botrugno OA,Santoro F,Minucci S

更新日期：2009-08-08 00:00:00

abstract：:Expression of cyclooxygenase (COX)-2 protein in preneoplastic and neoplastic lung lesions induced by the administration of 2000 ppm of N-nitrosobis(2-hydroxypropyl)amine (BHP) in the drinking water to Wistar male rats, was examined immunohistochemically. The majority of alveolar/bronchiolar adenomas (ADs) and all aden...

journal_title：Cancer letters

authors： Kitayama W,Denda A,Yoshida J,Sasaki Y,Takahama M,Murakawa K,Tsujiuchi T,Tsutsumi M,Konishi Y

更新日期：2000-02-01 00:00:00

abstract：:Up-regulation of the urokinase plasminogen activation (uPA) system leads to increased cancer invasion and metastasis. Plasminogen activator inhibitors type-1 (PAI-1/SERPINE1) and type-2 (PAI-2/SERPINB2) have similar uPA inhibitory properties yet PAI-1 promotes cell invasion by modulating cell adhesion and migration. H...

journal_title：Cancer letters

authors： Lobov S,Ranson M

更新日期：2011-04-28 00:00:00

abstract：:Human papillomavirus (HPV) infection is one of the most common sexually transmitted infections (STIs) in young women. They can occur in one or multiple areas of the female genitalia. Usually, the vulva is the initial site of implantation for HPV. The purpose of our study is to evaluate the epidemiological aspects, inc...

journal_title：Cancer letters

authors： Frega A,Stentella P,De Ioris A,Piazze JJ,Fambrini M,Marchionni M,Cosmi EV

更新日期：2003-07-10 00:00:00

abstract：:Monitoring angiogenesis is potentially an effective strategy for the early detection of cancer. In this study, early detection was achieved by evaluating blood vessel density in the liver using a three-dimensional contrast-enhanced high-frequency ultrasound (CE-HFUS) system and Sonazoid microbubbles. Three-dimensional...

journal_title：Cancer letters

authors： Horie S,Chen R,Li L,Mori S,Kodama T

更新日期：2013-10-10 00:00:00

abstract：:The pyrimido-pyrimidine derivative RA233 was found to selectively kill cultured mouse B16 melanoma cells after prolonged hypoxia. At the optimum cytotoxic concentration (100 microM), RA233 reduced cell clonogenicity by about 80% when administered during long-term hypoxia of 4 days. Comparable cytotoxicity was also evi...

journal_title：Cancer letters

authors： Stackpole CW,Omar RA,Fornabaio DM,Kim YS

更新日期：1988-09-01 00:00:00

abstract：:Cancer results from the interaction of multiple aberrations including activation of dominant oncogenes and upregulation of signal transduction pathways. Identification of the genes involved in malignant transformation is a pre-requisite for understanding cancer and improving its diagnosis and treatment. Quite a few of...

journal_title：Cancer letters

authors： Katzav S

更新日期：2007-10-08 00:00:00

abstract：:The effect of Pseudomonas aeruginosa colonizing in the gut on the development of gastrointestinal tumors was studied in rats treated orally with N-methyl-N'-nitro-N-nitrosoguanidine (MNNG). The animals were inoculated with or accidentally colonized by P. aeruginosa after MNNG treatment. In 3 serial experiments, P. aer...

journal_title：Cancer letters

authors： Morishita Y,Shimizu T

更新日期：1983-01-01 00:00:00

abstract：:Dibenzo[a,e]fluoranthene ( DBF ), a non- alternant carcinogenic polycyclic aromatic hydrocarbon (PAH), binds covalently to DNA. The main adducts were characterized as covalent additions of its bay-region and pseudo-bay-region diol-epoxides. The structure of these 2 adducts was analyzed by mass spectrometry using their...

journal_title：Cancer letters

authors： Perin-Roussel O,Croisy A,Ekert B,Zajdela F

更新日期：1984-04-01 00:00:00

abstract：:In experimental cancer chemoprevention studies, the doses of the agent used to produce an inhibitory response are generally very high, sometimes bordering on levels that will result in toxicity to the test animals. The present study was designed to test the hypothesis that low doses of two or more agents may be just a...

journal_title：Cancer letters

authors： Ip C

更新日期：1988-04-01 00:00:00

abstract：:Given its contribution to malignant phenotypes of cancer, tumor hypoxia has been considered as a potential therapeutic problem. In the stressful microenvironment condition, hypoxia inducible factor 1 (HIF1) is well known to mediate the transcriptional adaptation of cells to hypoxia and acts as a central player for the...

journal_title：Cancer letters

authors： Kim YH,Yoo KC,Cui YH,Uddin N,Lim EJ,Kim MJ,Nam SY,Kim IG,Suh Y,Lee SJ

更新日期：2014-11-01 00:00:00

abstract：:Neuroblastoma (NB) is a common neuroectodermal tumor of childhood with low response to conventional therapy in patients with advanced stage disease. Among novel strategies, immumotherapy has attracted much interest. However, scanty information is available about the immunogenicity of human NB. Here, we review our data...

journal_title：Cancer letters

authors： Raffaghello L,Prigione I,Airoldi I,Camoriano M,Morandi F,Bocca P,Gambini C,Ferrone S,Pistoia V

更新日期：2005-10-18 00:00:00

abstract：:The appearance of apoptosis has been used as an index of carcinogen-induced damage incurred by the intestinal epithelium. Here we report that the cytotoxic response elicited by gamma radiation in the duodenal and colonic epithelium of the mouse is markedly affected by the time of day at which the animals are irradiate...

journal_title：Cancer letters

authors： Duncan AM,Ronen A,Blakey DH

更新日期：1983-12-01 00:00:00

abstract：:Patients with hormone-receptor-positive early breast cancer have a significant risk of recurrence despite the use of adjuvant tamoxifen. The third-generation aromatase inhibitors letrozole, anastrozole, and exemestane offer promise as alternative or additional therapy to tamoxifen. As extended adjuvant therapy followi...

journal_title：Cancer letters

authors： Spicer J,Ellis P

更新日期：2007-04-18 00:00:00

abstract：:The therapeutic efficacy of antineoplastic purine analogs can be jeopardized by the emergence of drug-resistant mutant subpopulations of tumor cells. To determine whether such mutant populations might be eradicable in vivo with the type of HAT combination (hypoxanthine + an antifolate + thymidine) known to be selectiv...

journal_title：Cancer letters

authors： Moolten FL

更新日期：1986-06-01 00:00:00

abstract：:Avemar (MSC) is a nontoxic fermented wheat germ extract demonstrated to significantly improve the survival rate in patients suffering from various malignancies. We investigated its effects in human HL-60 promyelocytic leukemia cells. After 24, 48, and 72 h of incubation, Avemar inhibited the growth of HL-60 cells with...

journal_title：Cancer letters

authors： Saiko P,Ozsvar-Kozma M,Madlener S,Bernhaus A,Lackner A,Grusch M,Horvath Z,Krupitza G,Jaeger W,Ammer K,Fritzer-Szekeres M,Szekeres T

更新日期：2007-06-08 00:00:00

abstract：:D-501036 is a promising anti-cancer compound that exhibits potent anti-proliferative activity against various types of human cancers through the induction of double strand DNA breaks. To determine drug resistance mechanism related to this class of DNA-damaging agents, a KB-derived D-501036-resistant cell line (S4) was...

journal_title：Cancer letters

authors： Yang YN,Chou KM,Pan WY,Chen YW,Tsou TC,Yeh SC,Cheung CH,Chen LT,Chang JY

更新日期：2011-10-01 00:00:00

abstract：:Extracts of leukemic lymphocytes and leukemic myelomonocytic cells bind significantly more cAMP/mg protein than do normal cells. The binding of cAMP in leukemic cells is non-specific since the binders are unable to effectively discriminate between cAMP and cGMP in contrast to normal cells. When normal lymphocytes are ...

journal_title：Cancer letters

authors： Weber TH,Linkola J

更新日期：1980-01-01 00:00:00

abstract：:A newly found human retrovirus, adult T-cell leukemia virus (ATLV) was shown by means of membrane immunofluorescence to bind to various hematopoietic cells including T-, B- and non-T, non-B-cell lines. Partially purified viral gp46 from culture fluids of ATL virus producer lines also bound efficiently to an ATLV-negat...

journal_title：Cancer letters

authors： Yamamoto N,Chosa T,Koyanagi Y,Tochikura T,Schneider J,Hinuma Y

更新日期：1984-01-01 00:00:00

abstract：:We have investigated the effects of interferon-alpha (IFN-alpha) and 5-fluorouracil (5-FU) on meningioma cells in two different culture systems, evaluated by the uptake of radiolabelled methionine. With both IFN-alpha and 5-FU an inhibitory effect on the uptake of radiolabelled methionine by the meningioma cells was d...

journal_title：Cancer letters

authors： Zhang ZJ,Wang JL,Muhr C,Smits A

更新日期：1996-02-27 00:00:00

abstract：:Sobatum, the active fraction of the plant Solanum trilobatum was obtained from the petroleum ether/ethyl acetate (75:25) extractable portion. Sobatum was proven to be an anticancer agent by in vitro and in vivo methods. The aim of this study is to evaluate the effect of Sobatum on radiation-induced toxicity in mice. I...

journal_title：Cancer letters

authors： Mohanan PV,Devi KS

更新日期：1998-01-30 00:00:00

abstract：:Oncogenic transformation of mouse C3H10T1/2 cells induced by X-rays was suppressed in the presence of extract of Rooibos tea, Aspalathus linealis. Transformation was reduced with increased concentration of the extract, so that at an extract concentration of 10%, transformation incidence was similar to the spontaneous ...

journal_title：Cancer letters

authors： Komatsu K,Kator K,Mitsuda Y,Mine M,Okumura Y

更新日期：1994-02-28 00:00:00