gamma-Glutamyltranspeptidase activity in a human pancreatic cancer cell line (HPC-Y1) in serum-free chemically defined medium.

abstract：:By comparing protein profiles of nasopharyngeal carcinoma HONE1 cells to transformed nasopharyngeal epithelial NP 69 cells, several clusters of differentially expressed proteins were identified. The increased expression of cytokeratin 8 (CK8) and pyruvate kinase M2 was a common feature in four NPC cell lines compared ...

journal_title：Cancer letters

authors： Wang Y,He QY,Tsao SW,Cheung YH,Wong A,Chiu JF

更新日期：2008-07-08 00:00:00

abstract：:Effects of eight heterocyclic amines (HCAs) on pancreatic duct carcinogenesis were investigated in a rapid production model in hamsters. N-Nitrosobis(2-oxopropyl)amine (BOP) was given to effect initiation, followed by augmentation pressure consisting of four daily i.p. injections of 500 mg/kg DL-ethionine, a choline-d...

journal_title：Cancer letters

authors： Yoshimoto M,Tsutsumi M,Iki K,Sasaki Y,Tsujiuchi T,Sugimura T,Wakabayashi K,Konishi Y

更新日期：1999-09-01 00:00:00

abstract：:The primary aim of this study was to find novel chemopreventive agents effective against breast cancer. Endoplasmic reticulum (ER) stress can induce apoptosis through the unfolded protein response (UPR). 2'-Hydroxy-2,3,5'-trimethoxychalcone (DK143) is a synthetic flavonoid derivative. The present study provides eviden...

journal_title：Cancer letters

authors： Lee DH,Jung Jung Y,Koh D,Lim Y,Lee YH,Shin SY

更新日期：2016-03-01 00:00:00

abstract：:Pancreatic cancer cells are usually resistant to apoptosis mediated by tumor necrosis factor (TNF)-alpha or FasL, and their toxicity towards normal cells hampers their application for therapeutic use. TNF-related apoptosis-inducing ligand (TRAIL), a novel member of the TNF family, triggers apoptosis in a variety of ma...

journal_title：Cancer letters

authors： Ozawa F,Friess H,Kleeff J,Xu ZW,Zimmermann A,Sheikh MS,Büchler MW

更新日期：2001-02-10 00:00:00

abstract：:Cancer stem-like cells (CSLCs) are potential targets for treatment of glioblastoma multiforme (GBM) due to their role in tumorigenesis and recurrence. In this study, we investigated the inhibitory effect of arsenic trioxide (As(2)O(3)) on CSLCs of GBM in human glioma cell lines (U87MG, U251MG and U373MG) in vivo and i...

journal_title：Cancer letters

authors： Zhen Y,Zhao S,Li Q,Li Y,Kawamoto K

更新日期：2010-06-01 00:00:00

abstract：:We investigated a role for Hedgehog signalling in colon cancer by studying transcription of members of the pathway in human colorectal carcinoma cell lines. We determined the methylation status and screened the gene encoding the Hedgehog receptor-associated protein Smoothened (SMO) for putative mutations. In three cel...

journal_title：Cancer letters

authors： Zhu Y,James RM,Peter A,Lomas C,Cheung F,Harrison DJ,Bader SA

更新日期：2004-04-30 00:00:00

abstract：:The carcinogenic effect of ultraviolet radiation (UVR) on the skin of hairless (hr) mice was modified by two immunosuppressive agents, rabbit anti-mouse lymphocytic serum (ALS), and 6-mercaptopurine (6MP). Daily exposure of mice to UVR resulted in multiple tumor production. Carcinogenesis was measured in terms of affe...

journal_title：Cancer letters

authors： Nathanson RB,Forbes PD,Urbach F

更新日期：1976-05-01 00:00:00

abstract：:Metabolic reprogramming such as the aerobic glycolysis or Warburg effect is well recognized as a common feature of tumorigenesis. However, molecular mechanisms underlying metabolic alterations for tumor therapeutic resistance are poorly understood. Through gene expression profiling analysis we found that histone H3K36...

journal_title：Cancer letters

authors： Wang J,Duan Z,Nugent Z,Zou JX,Borowsky AD,Zhang Y,Tepper CG,Li JJ,Fiehn O,Xu J,Kung HJ,Murphy LC,Chen HW

更新日期：2016-08-10 00:00:00

abstract：:The antitumor activity of cytokine-induced killer (CIK) cells can be increased by co-culturing them with tumor lysate-pulsed dendritic cells (tDCs); this phenomenon has been studied mainly at the population level. Using time-lapse imaging, we examined how CIK cells gather information from tDCs at the single-cell level...

journal_title：Cancer letters

authors： Lee HK,Kim YG,Kim JS,Park EJ,Kim B,Park KH,Kang JS,Hong JT,Kim Y,Han SB

更新日期：2016-08-10 00:00:00

abstract：:d-Alpha tocopheryl succinate (vitamin E succinate), which inhibited growth and survival, and induced differentiation in murine B-16 melanoma cells in culture, increased adenosine 3',5'cyclic monophosphate-(cAMP)-dependent protein kinase (PK) activity without increasing the cellular cAMP level. Prostaglandin (PG)A2, wh...

journal_title：Cancer letters

authors： Torelli S,Masoudi F,Prasad KN

更新日期：1988-03-01 00:00:00

abstract：:The mutagenic effects of chamuvaritin, dihydrobenzylchalcone isolated from Uvaria chamae, were investigated using Salmonella typhimurium tester strains TA92, TA94--98, TA100--1535, TA1537 and TA1538. The phytochemical was mutagenic in tester strains TA98 and TA100 and required activation by the hepatic S-9 microsomal ...

journal_title：Cancer letters

authors： Uwaifo AO,Okorie DA,Bababunmi EA

更新日期：1979-11-01 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：:Difluoro-phenyl-ethyl(4-aminopropylamidinohydrazone) (DFPA) was synthesized as an irreversible inhibitor of ornithine and S-adenosylmethionine decarboxylases and analyzed for antiproliferative effects on leukemia cells. The compound irreversibly inhibited ornithine and S-adenosylmethione decarboxylases. This inhibitio...

journal_title：Cancer letters

authors： Hibasami H,Sakurai M,Maekawa S,Murata T,Nakashima K

更新日期：1988-03-01 00:00:00

abstract：:For biochemical modulation, components of green tea have been shown to be useful modulators in combination with doxorubicin (DOX). We have confirmed that theanine enhances the antitumor activity of DOX due to inhibition of DOX efflux from tumor cells. Because theanine is a glutamate analogue, we found that it is assoc...

journal_title：Cancer letters

authors： Sadzuka Y,Yamashita Y,Sugiyama T,Sonobe T

更新日期：2002-05-28 00:00:00

abstract：:Resistance to anoikis is a hallmark of human malignancies. Our results showed that hepatoma cells resisted anoikis by non-proliferation, non-apoptosis and cell cycle arrest which were termed synoikis-like. These synoikis-like cells are more resistant to extracellular stimuli and could spontaneously attach and prolifer...

journal_title：Cancer letters

authors： Zhang Z,Cao L,Li J,Liang X,Liu Y,Liu H,Du J,Qu Z,Cui M,Liu S,Gao L,Ma C,Zhang L,Han L,Sun W

更新日期：2008-08-18 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：:We have investigated the effects of hyperthermia on the apoptosis induced by tumor necrosis factor alpha (TNF-alpha). Confluent monolayers of human gastric cancer cell line MKN45 were either treated or untreated with hyperthermia for 1 h. The cells were subsequently stimulated with TNF-alpha. A 24-h incubation with TN...

journal_title：Cancer letters

authors： Kokura S,Yoshida N,Ueda M,Imamoto E,Ishikawa T,Takagi T,Naito Y,Okanoue T,Yoshikawa T

更新日期：2003-11-10 00:00:00

abstract：:Glutathione S-transferases (GST) alpha and pi, glutathione (GSH) and aldehyde dehydrogenase (ADH) were determined in colorectal cancer tissue specimens and in the adjacent normal colon tissue. The median contents in normal and cancer tissue were 8.1 (2.3-30.3) (5-95% quantiles) and 15.1 (5.3-50.3) microg/mg protein fo...

journal_title：Cancer letters

authors： Hengstler JG,Böttger T,Tanner B,Dietrich B,Henrich M,Knapstein PG,Junginger T,Oesch F

更新日期：1998-06-05 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：: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：:Intrahepatic cholangiocarcinoma (ICC) is the second most common primary liver cancer. Appropriate treatment of this aggressive and heterogeneous cancer requires accurate staging and prognostic stratification, as does patient selection for clinical trials. Over the past two decades, several staging systems and prognost...

journal_title：Cancer letters

authors： Cheng Z,Lei Z,Shen F

更新日期：2019-09-28 00:00:00

abstract：:Benzo[a]pyrene (B[a]P) metabolism and macromolecular binding have been studied in explants from 4 tissues, bladder, skin, bronchus and esophagus from 8 donors sampled within 4 h after death. Explants were incubated with [3H]benzo[a]pyrene for 24 h, then the metabolites extracted and analyzed by high-pressure liquid ch...

journal_title：Cancer letters

authors： Selkirk JK,Nikbakht A,Stoner GD

更新日期：1983-02-01 00:00:00

abstract：:The effect of pretreatment of skin of Sencar mice with topically applied tannic acid, quercetin and green tea polyphenols (GTP) on the skin tumor initiating activity of (+/-)-7 beta,8 alpha-dihydroxy-9 alpha,10 alpha-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene (BPDE-2) has been evaluated. The animals were pretreated with ...

journal_title：Cancer letters

authors： Khan WA,Wang ZY,Athar M,Bickers DR,Mukhtar H

更新日期：1988-09-01 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：:We have examined the effect of protease inhibitors on radiation-induced DNA amplification in vitro using an SV40-transformed Chinese hamster embryo cell line. DNA from cells irradiated with X-rays (10 Gy) or ultraviolet radiation (8 J/m2) resulted in an 8-fold or greater amplification of SV40 sequences compared with u...

journal_title：Cancer letters

authors： Flick MB,Kennedy AR

更新日期：1991-02-01 00:00:00

abstract：:The cell transforming ability of asbestos dust was investigated using C3H10T 1/2 murine fibroblasts. In a series of experiments both crocidolite and amosite caused no increase in the number of transformed foci over that seen in cultures from untreated cells. The dusts, were, however, capable of augmenting the oncogeni...

journal_title：Cancer letters

authors： Brown RC,Poole A,Fleming GT

更新日期：1983-03-01 00:00:00

abstract：:Gastroesophageal reflux disease (GERD) is the main risk factor for Barrett's tumorigenesis. In this study, we investigated the role of NRF2 in response to exposure to acidic bile salts (ABS), in conditions that mimic GERD, using Barrett's esophagus cell models. We detected an increase in NRF2 protein levels, following...

journal_title：Cancer letters

authors： Peng D,Lu H,Zhu S,Zhou Z,Hu T,Chen Z,Zaika A,El-Rifai W

更新日期：2019-08-28 00:00:00

abstract：:Immune checkpoint blockade (ICB) has revolutionised the treatment of solid tumours, yet most patients do not derive a clinical benefit. Resistance to ICB is often contingent on the tumour microenvironment (TME) and modulating aspects of this immunosuppressive milieu is a goal of combination treatment approaches. Radia...

journal_title：Cancer letters

authors： Donlon NE,Power R,Hayes C,Reynolds JV,Lysaght J

更新日期：2021-01-12 00:00:00

abstract：:Multiple cancers contain subpopulations that exhibit characteristics of cancer stem cells (CSCs), the ability to self-renew and seed heterogeneous tumors. Recent evidence suggests two potentially overlapping models for these phenotypes: one where stem cells arise from multipotent progenitor cells, and another where th...

journal_title：Cancer letters

authors： Chang JT,Mani SA

更新日期：2013-11-28 00:00:00

abstract：:The newly identified protein BLAP75/RMI1 associates with the helicase BLM and is critical for the function of the homologous recombination complex. Mutations altering BLM function are associated with highly elevated cancer susceptibility (Bloom's syndrome). We have analyzed the common polymorphism Ser455Asn in RMI1 an...

journal_title：Cancer letters

authors： Broberg K,Höglund M,Gustafsson C,Björk J,Ingvar C,Albin M,Olsson H

更新日期：2007-12-08 00:00:00