Differences in the migration capacity of primary human colon carcinoma cells (SW480) and their lymph node metastatic derivatives (SW620).

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：:Long non-coding RNAs (lncRNAs) play critical roles in multiple cellular processes in non-small cell lung cancer (NSCLC); however, the involvement of lncRNAs in the transforming growth factor-beta (TGFβ) signaling pathway, the critical tumor cell epithelial-mesenchymal transition (EMT) and metastasis pathway, remains p...

journal_title：Cancer letters

authors： Lu Z,Li Y,Che Y,Huang J,Sun S,Mao S,Lei Y,Li N,Sun N,He J

更新日期：2018-09-28 00:00:00

abstract：:Malignant tumors remain a major health burden throughout the world, and effective therapeutic strategies are urgently needed. Combining gene therapy with chemotherapeutics in a single delivery system is more effective than co-treatment of cancer with individual delivery systems carrying either gene or drug. In this st...

journal_title：Cancer letters

authors： Dong D,Gao W,Liu Y,Qi XR

更新日期：2015-04-10 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：:The quality and frequency of mutations in PTEN gene were assessed in 59 carcinomas and 6 hyperplasias of the endometrium in women. Screening for mutations was done in all exons of PTEN gene by the PCR-SSCP analysis and DNA sequencing. Results were correlated with histological status and clinical features of endometria...

journal_title：Cancer letters

authors： Konopka B,Paszko Z,Janiec-Jankowska A,Goluda M

更新日期：2002-04-08 00:00:00

abstract：:Dioxane, perchloroethylene, and trichloroethylene were investigated as rat liver altered foci promoters in an initiation/promotion protocol. Animals were initiated with diethylnitrosamine, 30 mg/kg, injected i.p. 24 h after 2/3 partial hepatectomy. The chemical under study was administered by gavage once a day, 5 time...

journal_title：Cancer letters

authors： Lundberg I,Högberg J,Kronevi T,Holmberg B

更新日期：1987-07-01 00:00:00

abstract：:Non-steroidal anti-inflammatory drugs (NSAIDs) have been shown to reduce the risk of colorectal cancer (CRC). They are also known to induce the regression of colorectal adenomas, which are precursors to CRC. Despite these evidences, the exact mechanism by which NSAIDs exerts its anti-oncogenic effect is not completely...

journal_title：Cancer letters

authors： Gala M,Sun R,Yang VW

更新日期：2002-01-10 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：:CYP1A1, CYP2E1 and GSTM1 polymorphisms were evaluated in Chilean healthy controls and lung cancer patients. In the Chilean healthy group, frequencies of CYP1A1 variant alleles for MspI (m2 or CYP1A1*2A) and ile/val (val or CYP1A1*2B) polymorphisms were 0.25 and 0.33, respectively. Frequencies of variant alleles C (CYP...

journal_title：Cancer letters

authors： Quiñones L,Lucas D,Godoy J,Cáceres D,Berthou F,Varela N,Lee K,Acevedo C,Martínez L,Aguilera AM,Gil L

更新日期：2001-12-10 00:00:00

abstract：:Our previous studies demonstrated that dietary garlic powder supplementation inhibits N-nitrosamine induced DNA alkylation in liver and mammary tissue. The present studies compared the impact of dietary supplementation with garlic powder or two garlic constituents, water-soluble S-allyl cysteine (SAC) and oil-soluble ...

journal_title：Cancer letters

authors： Schaffer EM,Liu JZ,Green J,Dangler CA,Milner JA

更新日期：1996-04-19 00:00:00

abstract：:In the present work we investigated the in vivo regulation of the mucin gene MUC2, which is overexpressed in all mucinous colorectal carcinomas. The inhibition of methylation by 5-azadeoxycytidine induces de novo expression of MUC2 in the colon carcinoma cell line COLO 205. The expression is retained in xenograft tiss...

journal_title：Cancer letters

authors： Gratchev A,Siedow A,Bumke-Vogt C,Hummel M,Foss HD,Hanski ML,Kobalz U,Mann B,Lammert H,Mansmann U,Stein H,Riecken EO,Hanski C

更新日期：2001-07-10 00:00:00

abstract：PURPOSE:The purpose of this study is to examine the changes in the number of HSF1 granules in the nucleus caused by different degree of heat stress. MATERIALS AND METHODS:A human esophageal cancer cell line, TE-2, was used. HSF1 granules were examined in an immunofluorescence study, and the changes in the average numb...

journal_title：Cancer letters

authors： Nonaka T,Akimoto T,Mitsuhashi N,Tamaki Y,Nakano T

更新日期：2003-12-08 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：:Samples of human endometrial carcinomas of ranging degree of histological differentiation, and normal endometrial tissues were screened for the presence of single site DNA mutations at codon 12 of the C-K-ras gene using oligonucleotide hybridisation of DNA amplified by the polymerase chain reaction (PCR). Two instance...

journal_title：Cancer letters

authors： Lester DR,Cauchi MN

更新日期：1990-05-15 00:00:00

abstract：:Inactivation of antineoplastics is a serious problem in cancer therapy, and prevention of the inactivation is a surpassing strategy for enhancement of their therapeutic effects. BOF-A2, which contains both EM-FU, a masked form of 5-fluorouracil (5-FU), and CNDP, an inhibitor of 5-FU degradation, was developed with thi...

journal_title：Cancer letters

authors： Yoneda K,Yamamoto T,Ueta E,Osaki T

更新日期：1999-03-22 00:00:00

abstract：:Women who have breast cysts with intracystic Na+/K+ < 3 may have a higher risk of developing breast cancer than women who have breast cysts with intracystic Na+/K+ > 3. In this study wide-ranging intracystic concentrations of cathepsin D and pS2 (oestrogen inducible proteins/polypeptides) as well as oestradiol were fo...

journal_title：Cancer letters

authors： Lai LC,Cornell C,Lennard TW

更新日期：1993-04-15 00:00:00

abstract：:The present study was conducted to clarify the mechanism responsible for enhancement of the anti-melanoma activity of levodopa methylester by supplemental ascorbate in vivo. 5-Hydroxydopa, a known cytotoxic agent and the major metabolite formed from levodopa in the presence of ascorbate and mushroom tyrosinase in vitr...

journal_title：Cancer letters

authors： Pierson HF,Meadows GG

更新日期：1985-11-01 00:00:00

abstract：:N-ethyl-N-nitrosourea-induced rat gliomas showed a stimulation of cytosolic spermidine N-acetyltransferase activity compared with normal brain, with an increased formation of N1 and N8-acetylspermidine, suggesting the activation of two enzymes acetylating the polyamine in N1 and N8 position, respectively. The enhancem...

journal_title：Cancer letters

authors： Sessa A,Broglia E,Terreni MR,Perin A

更新日期：1994-01-30 00:00:00

abstract：:Male Fischer rats were treated at 7 weeks of age with a single oral dose of 1,2-dimethylhydrazine (35 mg/kg). After 1.5 years, the 14 control and 28 treated animals were killed for general autopsy. The incidence of tumor formation in the treated animals was 78.6% as compared to 0% for the control animals. All tumors (...

journal_title：Cancer letters

authors： Schiller CM,Curley WH,McConnell EE

更新日期：1980-11-01 00:00:00

abstract：:Multiple therapeutic strategies have been developed to treat pancreatic cancer. However, the outcomes of these approaches are disappointing. Due to deeper understandings of the pivotal roles of the immune system in pancreatic cancer tumorigenesis and progression, novel therapeutic strategies based on immune cells and ...

journal_title：Cancer letters

authors： Xu JW,Wang L,Cheng YG,Zhang GY,Hu SY,Zhou B,Zhan HX

更新日期：2018-07-01 00:00:00

abstract：:Two human prostate tumor cell lines which exhibit a 2.4-fold difference in sensitivity to cis-platinum (cis-Pt) were found to possess slightly different sulphydryl contents, and the presence of a metallothionein-like zinc-binding protein was demonstrated in the line exhibiting relative resistance to cis-Pt. Although t...

journal_title：Cancer letters

authors： Metcalfe SA,Cain K,Hill BT

更新日期：1986-05-01 00:00:00

abstract：:A direct relationship exists between aging and increasing incidences of chronic diseases. In fact, with most age-associated diseases individuals manifest an underlying chronic inflammatory state as evidenced by local infiltration of inflammatory cells, such as macrophages, and higher circulatory levels of pro-inflamma...

journal_title：Cancer letters

authors： Sarkar D,Fisher PB

更新日期：2006-05-08 00:00:00

abstract：:Pseudogenes are a subclass of long non-coding (lnc) RNAs that arose from protein-coding genes, but have lost the ability to produce proteins. Pseudogenes play an important role in the pathogenesis of various tumors; however, the role of pseudogenes in hepatocellular carcinoma (HCC) is poorly understood. In this study,...

journal_title：Cancer letters

authors： Kong Y,Zhang L,Huang Y,He T,Zhang L,Zhao X,Zhou X,Zhou D,Yan Y,Zhou J,Xie H,Zhou L,Zheng S,Wang W

更新日期：2017-10-28 00:00:00

abstract：:The polymorphism in the ALDH2 gene plays a central role in Asian alcohol hypersensitivity and has been associated with the risk for esophageal cancer. In the present study, we attempted to examine associations between the ADH2 and ALDH2 polymorphisms, alcohol drinking and hepatocellular carcinoma (HCC) development in ...

journal_title：Cancer letters

authors： Takeshita T,Yang X,Inoue Y,Sato S,Morimoto K

更新日期：2000-02-28 00:00:00

abstract：:Human microsomal epoxide hydrolase (mEH) catalyzes a key step in the biotransformation of benzo[a]pyrene that yields the highly mutagenic (+)-anti-7,8-diol-9,10 epoxide (BPDE). Two polymorphisms have been described in the coding region of the mEH gene (EPHX1) that produce two protein variants: 113Tyr-->113His (exon 3)...

journal_title：Cancer letters

authors： To-Figueras J,Gené M,Gómez-Catalán J,Piqué E,Borrego N,Corbella J

更新日期：2001-11-28 00:00:00

abstract：:Berberine, an isoquinoline alkaloid, has a wide range of pharmacological effects, including anti-inflammation, yet the exact mechanism is unknown. Because cyclooxygenase-2 (COX-2) plays a key role in prostaglandins (PGs) synthesis, which is elevated in inflammation, we examined whether the anti-inflammatory mechanism ...

journal_title：Cancer letters

authors： Kuo CL,Chi CW,Liu TY

更新日期：2004-01-20 00:00:00

abstract：:Boesenbergia pandurata (Zingiberaceae), Languas galanga (Zingiberaceae) and Citrus hystrix (Rutaceae) are edible plants that are commonly used as flavors or condiments in various Thai food dishes. They are known to exert strong anti-promoting activity in a test of tumor promoter-induced Epstein-Barr virus (EBV) activa...

journal_title：Cancer letters

authors： Tiwawech D,Hirose M,Futakuchi M,Lin C,Thamavit W,Ito N,Shirai T

更新日期：2000-10-01 00:00:00

abstract：:YM529, a new third generation bisphosphonate, induced apoptosis of a human breast cancer cell line, MX-1. Cytotoxic activity of YM529 was more potent than that of incadronate. YM529 activated caspase-9, but not caspase-8, and induced the release of cytochrome c into cytosol. YM529 increased Bax expression and decrease...

journal_title：Cancer letters

authors： Nakajima H,Magae J,Tsuruga M,Sakaguchi K,Fujiwara I,Mizuta M,Sawai K,Yamagishi H,Mizuta N

更新日期：2007-08-08 00:00:00

abstract：:Cancer stem cells (CSC) are critical for initiation, metastasis, and relapse of cancers, however, the underlying mechanism governing stemness of CSC remains unknown. Herein, we have investigated the roles of phosphodiesterase 5 (PDE5) in stemness of prostate cancer cells. Both PDE5 and WW domain-containing transcripti...

journal_title：Cancer letters

authors： Liu N,Mei L,Fan X,Tang C,Ji X,Hu X,Shi W,Qian Y,Hussain M,Wu J,Wang C,Lin S,Wu X

更新日期：2016-08-01 00:00:00

abstract：:The role of the gastrointestinal microflora in the nitrate-dependent formation of nitrosoproline was assessed in control and antibiotic-treated rats. Urinary nitrosoproline excretion as an index of in vivo nitrosamine formation was shown to be unaffected by bacterial decontamination of the alimentary tract, and procee...

journal_title：Cancer letters

authors： Mallett AK,Rowland IR,Cottrell RC,Gangolli SD

更新日期：1984-12-01 00:00:00