Suppressing effect of Lactobacillus casei administration on the urinary mutagenicity arising from ingestion of fried ground beef in the human.

abstract：:The candidate prostate cancer gene ELAC2 encodes tRNA 3' processing endoribonuclease (tRNase ZL). We produced recombinant human tRNase ZL's, which contain one to three amino-acid substitutions from three missense mutations (Ser217Leu, Ala541Thr, and Arg781His) that are associated with the occurrence of prostate cancer...

journal_title：Cancer letters

authors： Minagawa A,Takaku H,Takagi M,Nashimoto M

更新日期：2005-05-26 00:00:00

abstract：:Photodynamic action has been advocated as an alternative treatment of tumors but the most common used dyes, hematoporphyrin derivatives, are substrate for P-glycoprotein. This study investigated the MDR-reverting properties of methylene blue (MB) and compared the sensitivity to its photodynamic action (PDA) in five ce...

journal_title：Cancer letters

authors： Trindade GS,Farias SL,Rumjanek VM,Capella MA

更新日期：2000-04-14 00:00:00

abstract：:We investigated the influence of TNF-alpha on the metastasis of cancer cells. Treatment of cultured colon 26 cells with TNF-alpha enhanced metastatic properties including production of MMP-9, adhesion, migration and invasion. Cells treated with TNF-alpha in vitro showed marked potential to metastasize to the lung and ...

journal_title：Cancer letters

authors： Choo MK,Sakurai H,Koizumi K,Saiki I

更新日期：2005-12-08 00:00:00

abstract：:In order to determine the effects of intermittent hormonal manipulation on the promotion stage of rat prostate carcinogenesis, testosterone and/or estrogen were administered to F344 rats for 40 weeks after 20-weeks treatment with the prostate carcinogen, 3,2'-dimethyl-4-aminobiphenyl. For this purpose testosterone pro...

journal_title：Cancer letters

authors： Cui L,Mori T,Takahashi S,Imaida K,Akagi K,Yada H,Yaono M,Shirai T

更新日期：1998-01-09 00:00:00

abstract：:Cancer stem cells (CSCs), which comprise a small proportion of total cancer cells, have special capacities for self-renewal, differentiation and tumor formation. Currently, CSCs are regarded as the major cause of the failure in anticancer therapy, such as chemoresistance and/or radioresistance, tumor recurrence and me...

journal_title：Cancer letters

authors： Lei Y,Zhang D,Yu J,Dong H,Zhang J,Yang S

更新日期：2017-05-01 00:00:00

abstract：:Though many investigators have reported relationships between the CCND1 polymorphism and susceptibility to various carcinomas, to our knowledge, no report has been issued concerning its relationship with uterine cervical cancer. Thus, we undertook this study to investigate the association between CCND1 polymorphisms a...

journal_title：Cancer letters

authors： Jeon YT,Kim JW,Song JH,Park NH,Song YS,Kang SB,Lee HP

更新日期：2005-06-08 00:00:00

abstract：:To identify novel anti-cancer agents, we created and screened a unique nutraceutical library for activity against acute myeloid leukemia (AML) cells. From this screen, we determined that glucopsychosine was selectively toxic toward AML cell lines and primary AML patient samples with no effect toward normal hematopoiet...

journal_title：Cancer letters

authors： Angka L,Lee EA,Rota SG,Hanlon T,Sukhai M,Minden M,McMillan EM,Quadrilatero J,Spagnuolo PA

更新日期：2014-06-28 00:00:00

abstract：:Emerging evidence indicates that cancer stem cells (CSCs) are involved in tumorigenesis, tumor recurrence, and therapeutic resistance in hepatocellular carcinoma (HCC). However, the mechanisms underlying HCC CSC regulation remain largely unknown. Here we report our analysis of 97 paraffin-embedded HCC tumor specimens....

journal_title：Cancer letters

authors： Fan Z,Duan J,Wang L,Xiao S,Li L,Yan X,Yao W,Wu L,Zhang S,Zhang Y,Li Y,Zhu X,Hu Y,Zhang D,Jiao S,Xu X

更新日期：2019-05-28 00:00:00

abstract：:Increased abundance of the mRNA-binding protein human antigen R (HuR) is a characteristic feature of many cancers and frequently associated with a high grade malignancy and therapy resistance. HuR elicits a broad cell survival program mainly by stabilizing or increasing the translation of mRNAs coding for anti-apoptot...

journal_title：Cancer letters

authors： Badawi A,Hehlgans S,Pfeilschifter J,Rödel F,Eberhardt W

更新日期：2017-05-01 00:00:00

abstract：:Innate resistance to various therapeutic interventions is a hallmark of cancer. In recent years, however, acquired resistance has emerged as a daunting challenge to anticancer treatments including chemotherapy, radiation and targeted therapy, which abolishes the efficacy of otherwise successful regimens. Cancer cells ...

journal_title：Cancer letters

authors： Sun Y

更新日期：2016-09-28 00:00:00

abstract：:Although it is well known that ovarian endometriosis occasionally gives rise to ovarian cancers with specific histology such as endometrioid and clear cell carcinomas, its etiology is not fully understood. We have shown that a stressful microenvironment within the endometriotic cyst may lead to cancer development by i...

journal_title：Cancer letters

authors： Mandai M,Matsumura N,Baba T,Yamaguchi K,Hamanishi J,Konishi I

更新日期：2011-11-28 00:00:00

abstract：:Mutation of the p53 gene has been reported in hepatocellular carcinoma (HCC) occurring worldwide. The most frequent p53 mutation has been found in HCCs in regions with high hepatitis B virus (HBV) infection and intake of aflatoxin B1 (AFB1). The aim of our study was to examine p53 protein expression in HCCs from a hig...

journal_title：Cancer letters

authors： Qin G,Su J,Ning Y,Duan X,Luo D,Lotlikar PD

更新日期：1997-12-23 00:00:00

abstract：:We studied the effect of 13-cis-retinoic acid (13-cRA) alone and in combination with interferons (IFNs) and tamoxifen (TAM) in two established human breast cancer cell lines: the estrogen-sensitive CG-5 and the estrogen-insensitive MDA-MB-453 cells. 13-cRA (10(-9)-10(-5) M) significantly reduced the growth of both cel...

journal_title：Cancer letters

authors： Lama G,Angelucci C,Recchia F,Sica G

更新日期：1996-02-27 00:00:00

abstract：:The p53 tumor suppressor gene is often mutated in various human cancers. Recently, the p53 codon 72 polymorphism has been extensively studied to determine the risk factors responsible for cancer formation. We investigated the genotype distribution of the p53 codon 72 polymorphism in 112 male urothelial cancer cases an...

journal_title：Cancer letters

authors： Kuroda Y,Tsukino H,Nakao H,Imai H,Katoh T

更新日期：2003-01-10 00:00:00

abstract：:It has been shown that acquisition of epithelial-mesenchymal transition (EMT) and induction of cancer stem cell (CSC)-like properties contribute to metastasis of cancers in many studies; however, the molecular mechanisms underlying EMT and CSC phenotypes in liver cancer cells remain to be elucidated. MiR-155 is an imp...

journal_title：Cancer letters

authors： Liu F,Kong X,Lv L,Gao J

更新日期：2015-04-10 00:00:00

abstract：:N-Nitrosodiethanolamine (NDE1A) was administered by gavage to male rats in single doses of 1000, 500 and 100 mg/kg body wt. More than 70% of a given dose was excreted unchanged in the urine, essentially within the first 24 h after exposure. This high excretion rate might explain the relatively low carcinogenic potenti...

journal_title：Cancer letters

authors： Preussmann R,Würtele G,Eisenbrand G,Spiegelhalder B

更新日期：1978-04-01 00:00:00

abstract：:We studied the effects of a lignan, hydroxymatairesinol (HMR), and rye bran on intestinal tumor development in adenomatous polyposis colimultiple intestinal neoplasia (Apc)(Min) mice. HMR showed a strong chemopreventive effect in this animal model. The mean number of adenomas in the small intestine was significantly l...

journal_title：Cancer letters

authors： Oikannen SI,Pajari AM,Mutanen M

更新日期：2000-10-31 00:00:00

abstract：:In vitro metabolism of dimethylnitrosamine (DMN) by liver microsomal fractions of hamster, rat and chicken revealed that the three species under certain assay conditions, were capable of metabolizing DMN at different rates (hamster greater than rat greater than chicken). The magnitude of the demethylase activity was f...

journal_title：Cancer letters

authors： Prasanna HR,Lotlikar PD,Brandt C,Magee PN

更新日期：1985-02-01 00:00:00

abstract：:The effects of glucocorticoids and cholesterol on morphological transformation have been studied using hamster embryo cells. The cells were exposed sequentially to benzo[a]pyrene (BP) (3 days) and the tumor promotor 12-O-tetradecanoylphorbol-13-acetate (TPA) (4 days) before scoring for morphologically transformed colo...

journal_title：Cancer letters

authors： Rivedal E

更新日期：1982-02-01 00:00:00

abstract：:Bile acids are promoters of colon cancer; however, the mechanism(s) of action of this tumor promoter are largely unknown. Bile acids induce apoptosis in colon epithelial cells and it is probable that the modulation of apoptosis contributes, in part, to colon carcinogenesis. We tested the hypothesis that damage to mito...

journal_title：Cancer letters

authors： Washo-Stultz D,Crowley-Weber CL,Dvorakova K,Bernstein C,Bernstein H,Kunke K,Waltmire CN,Garewal H,Payne CM

更新日期：2002-03-28 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：:Epstein-Barr virus (EBV) is known to be linear in viral particles but EBV circularizes into an episomal form after infection. Recently, the presence of integrated EBV DNA has been reported. We investigated EBV integration into the human genome in EBV-associated disease using Southern blotting. One hundred four cases i...

journal_title：Cancer letters

authors： Ohshima K,Suzumiya J,Kanda M,Kato A,Kikuchi M

更新日期：1998-01-09 00:00:00

abstract：:The acute intraperitoneal toxicities of chlorambucil and chlorambucil-spermidine conjugate have been compared, in mice. Both compounds were neurotoxic and also caused a prolonged fall in bodyweight and a depletion of lymphocyte numbers associated with a fall in the total leukocyte count and loss of spleen and thymus w...

journal_title：Cancer letters

authors： Verschoyle RD,Carthew P,Holley JL,Cullis P,Cohen GM

更新日期：1994-10-14 00:00:00

abstract：:Residential radon exposure is considered the second cause of lung cancer and the first in never smokers. Nevertheless, the association between the different histological types of lung cancer and radon is not completely clear, and radon effect on small cell lung cancer is not completely understood. We aim to asses the ...

journal_title：Cancer letters

authors： Rodríguez-Martínez Á,Torres-Durán M,Barros-Dios JM,Ruano-Ravina A

更新日期：2018-07-10 00:00:00

abstract：:Well differentiated thyroid carcinomas provide a unique model of human, epithelial cell carcinogenesis. Their molecular characterization has allowed to associate specific genetic alterations to the two papillary and follicular histotypes which, despite their common origin, display different biological and clinical beh...

journal_title：Cancer letters

authors： Pierotti MA

更新日期：2001-05-10 00:00:00

abstract：:To understand the role of cyclooxygenase-2 (COX-2) in gastric cancer, we examined the abundance of COX-2, vascular endothelial growth factor-A (VEGF-A), and CD34 in 45 surgically resected human gastric cancers and paired normal gastric mucosa by immunohistochemical analysis. In addition, the message RNA (mRNA) express...

journal_title：Cancer letters

authors： Yu HG,Li JY,Yang YN,Luo HS,Yu JP,Meier JJ,Schrader H,Bastian A,Schmidt WE,Schmitz F

更新日期：2003-05-30 00:00:00

abstract：:Apoptosis plays a role in the elimination of DNA-damaged cells thus protecting the host from cancer development. Some data indicate that normal variations within the sequence of apoptotic genes may lead to suboptimal apoptotic capacity and therefore increased cancer risk. We tested 19 coding apoptotic gene SNPs in 2-s...

journal_title：Cancer letters

authors： Ulybina YM,Kuligina ES,Mitiushkina NV,Rozanov ME,Ivantsov AO,Ponomariova DN,Togo AV,Levchenko EV,Shutkin VA,Brenister SI,Devilee P,Zhivotovsky B,Hirvonen A,Imyanitov EN

更新日期：2009-06-18 00:00:00

abstract：:This aim of this study was to measure the typical free radical-induced products of DNA bases in cellular DNA of cervical cancer tissues directly irradiated by applying brachytherapy to the patients. Significant increases in the amounts of modified bases over the control level were observed in the samples isolated afte...

journal_title：Cancer letters

authors： Foksinski M,Jaruga P,Makarewicz R,Olinski R

更新日期：1998-10-23 00:00:00

abstract：:A single tumorigenic dose of methylazoxymethanol acetate increased adenylate cyclase activity in total liver homogenates 70-100% by the seventh day after treatment. The increased activity occurred in the plasma membranes rather than in the nuclei and was accompanied by a significant increase in 5'-nucleotidase activit...

journal_title：Cancer letters

authors： Zedeck MS,Swislocki NI

更新日期：1975-11-01 00:00:00

abstract：:Cisplatin is an anticancer agent that is effective against several types of cancer, including gastric cancer. However, its therapeutic application is limited by its toxicity in normal tissues and complications caused in patients. In this study, we attempted to clarify how triptolide, an active component extracted from...

journal_title：Cancer letters

authors： Li CJ,Chu CY,Huang LH,Wang MH,Sheu LF,Yeh JI,Hsu HY

更新日期：2012-06-28 00:00:00