Inhibition of the skin tumorigenicity of (+/-)-7 beta,8 alpha-dihydroxy-9 alpha,10 alpha-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene by tannic acid, green tea polyphenols and quercetin in Sencar mice.

abstract：:Post-transplant lymphoproliferative disorders (PTLDs) represent the most severe complication of both solid organ and hematopoietic stem cell transplantation. The Epstein-Barr Virus (EBV) is the main driver of PTLD, particularly those occurring early after transplantation. EBV-driven malignancies are associated with se...

journal_title：Cancer letters

authors： Petrara MR,Giunco S,Serraino D,Dolcetti R,De Rossi A

更新日期：2015-12-01 00:00:00

abstract：:The alkylation of hamster liver, lung and pancreas DNA by [1-14C]- and [2,3-14C]N-nitrosobis (2-oxopropyl) amine (BOP) has been examined. The specific activity of pancreas DNA after [2,3-14C]BOP administration was only 2% of that when [1-14C]BOP was given. 7-Methylguanine, but not O-6-methylguanine, was found in hydro...

journal_title：Cancer letters

authors： Lawson TA,Gingell R,Nagel D,Hines LA,Ross A

更新日期：1981-01-01 00:00:00

abstract：:The clinical use of chemotherapy in cancer treatment is limited by the occurrence of multidrug resistance (MDR) associated with the overexpression of membrane transporters, one of the best known is P-glycoprotein (Pgp), that actively expels drugs out of tumor cells. To overcome Pgp-mediated MDR, synthetic peptides cor...

journal_title：Cancer letters

authors： Gatouillat G,Odot J,Balasse E,Nicolau C,Tosi PF,Hickman DT,López-Deber MP,Madoulet C

更新日期：2007-11-18 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：:FOY-305 is a synthetic serine protease inhibitor and ONO-3403 and FO-349 are its derivatives. The effects of these compounds on the proliferation of 13 human neuroblastoma cell lines were investigated in vitro by MTT colorimetric assay. The half maximum inhibition concentrations of ONO-3403 varied between 22 and 90 mi...

journal_title：Cancer letters

authors： Hiwasa T,Kondo K,Nakagawara A,Ohkoshi M

更新日期：1998-04-24 00:00:00

abstract：:Treatment resistance in acute lymphoblastic leukemia (ALL) is often caused by defects in programmed cell death, e.g. by overexpression of Inhibitor of Apoptosis (IAP) proteins. Here, we report that small-molecule Smac mimetics (i.e. BV6, LCL161, birinapant) that neutralize x-linked IAP (XIAP), cellular IAP (cIAP)1 and...

journal_title：Cancer letters

authors： Gerges S,Rohde K,Fulda S

更新日期：2016-05-28 00:00:00

abstract：:Neuroblastoma (NB) is the most common solid extracranial tumor in children. Here we showed that trichostatin A, a histone deacetylase inhibitor (HDACi), decreases cell viability in three NB cell lines of different phenotypes. The treatment leads to G2/M-phase arrest, apoptosis and autophagy. Autophagy induction accomp...

journal_title：Cancer letters

authors： Francisco R,Pérez-Perarnau A,Cortés C,Gil J,Tauler A,Ambrosio S

更新日期：2012-05-01 00:00:00

abstract：:FHIT is a tumour suppressor gene which is frequently inactivated in different types of cancer. Both genetic (mutations, deletions, chromosomal rearrangements) and epigenetic (aberrant methylation of the 5'CpG island) alterations of the FHIT gene have been reported in various malignancies. Yet little is known about the...

journal_title：Cancer letters

authors： Kvasha S,Gordiyuk V,Kondratov A,Ugryn D,Zgonnyk YM,Rynditch AV,Vozianov AF

更新日期：2008-07-08 00:00:00

abstract：:We assessed whether current therapies could lead to hematogenous dissemination of malignant hepatocytes in hepatocellular carcinoma (HCC) patients using semi-quantitative reverse transcription-polymerase chain reaction (RT-PCR) for alpha-fetoprotein (afp) and albumin (alb) mRNAs. We analyzed 137 peripheral blood sampl...

journal_title：Cancer letters

authors： Wong IH,Yeo W,Leung T,Lau WY,Johnson PJ

更新日期：2001-06-26 00:00:00

abstract：:Glioblastoma (GBM) is the most common and aggressive primary brain tumor. Great interest persists in useful therapeutic targets in GBM. Aberrant expression of long non-coding RNAs (lncRNAs) has been functionally associated with many cancers. Here, we elucidated the function and the possible molecular mechanisms of lnc...

journal_title：Cancer letters

authors： Yao Y,Ma J,Xue Y,Wang P,Li Z,Liu J,Chen L,Xi Z,Teng H,Wang Z,Li Z,Liu Y

更新日期：2015-04-01 00:00:00

abstract：:Although the incidence is very low, the prognosis of anaplastic carcinoma of the thyroid is very poor regardless of the results of various therapeutic trials. We found that the mechanism of anti-cancer drug resistance in anaplastic carcinoma of the thyroid was not explicable only in terms of expression of the mdr1 and...

journal_title：Cancer letters

authors： Sugawara I,Arai T,Yamashita T,Yoshida A,Masunaga A,Itoyama S

更新日期：1994-07-29 00:00:00

abstract：:The in vitro chemosensitizing effect of triptolide (PG490) on the cytotoxicity of 5-fluorouracil (5-FU) was determined in three colorectal cancer (CRC) cell lines. PG490 alone was toxic to CRC cell lines (IC(50)s: 1.39-5.51nM). The cytotoxicity of 5-FU to CRC cell lines was 4-15-fold sensitized by combining use of low...

journal_title：Cancer letters

authors： Xu B,Guo X,Mathew S,Armesilla AL,Cassidy J,Darling JL,Wang W

更新日期：2010-05-28 00:00:00

abstract：:Pancreatic cancer is an aggressive malignancy and unresponsive to conventional chemotherapies. Here, the anti-inflammatory and anti-tumor effects of embelin on pancreatic cancer were investigated. Embelin significantly attenuated cells invasion, proliferation and induced apoptosis through inhibition of STAT3 and activ...

journal_title：Cancer letters

authors： Peng M,Huang B,Zhang Q,Fu S,Wang D,Cheng X,Wu X,Xue Z,Zhang L,Zhang D,Da Y,Dai Y,Yang Q,Yao Z,Qiao L,Zhang R

更新日期：2014-11-28 00:00:00

abstract：:During a follow-up program, breast cancer patients were monitored with serum analyses of mucin-like carcinoma-associated antigen (MCA), CA 15.3 and carcinoembryonic antigen (CEA). Minimum as well as maximum marker values of the individual patterns were selected for further evaluation. Marker levels of risk patients di...

journal_title：Cancer letters

authors： Bieglmayer C,Szepesi T,Neunteufel W

更新日期：1988-11-01 00:00:00

abstract：:Starting with an extract derived from the bark of Mundulea sericea Willd. (Leguminosae) that was active in the process of inhibiting 12-O-tetradecanoylphorbol 13-acetate (TPA)-induced ornithine decarboxylase activity (ODC) in cultured mouse epidermal ME 308 cells, the isoflavonoid munetone was isolated and identified ...

journal_title：Cancer letters

authors： Lee SK,Luyengi L,Gerhäuser C,Mar W,Lee K,Mehta RG,Kinghorn AD,Pezzuto JM

更新日期：1999-02-08 00:00:00

abstract：:Nuclear factor-kappa B (NF-κB) and autophagy are two major regulators involved in both tumor initiation and progression. However, the association between these two signaling pathways still remains obscure. In this work, we demonstrate that dihydroartemisinin (DHA) stimulates the induction of autophagy in several cance...

journal_title：Cancer letters

authors： Hu W,Chen SS,Zhang JL,Lou XE,Zhou HJ

更新日期：2014-02-28 00:00:00

abstract：:Endometrial cancer is one of the most common gynecologic malignancies and many factors influence in its growth and development. As in many other types of cancer, prostaglandin E(2) (PGE(2)) is thought to be an accelerator of cell proliferation and endometrial cancer progression. In this study, we examined the effect o...

journal_title：Cancer letters

authors： Takahashi T,Ogawa H,Izumi K,Uehara H

更新日期：2011-07-01 00:00:00

abstract：:Tumor-associated mesenchymal stem cells (MSCs) play a critical role in the growth and metastasis of hepatocellular carcinoma (HCC). However, the mechanism underlying the crosstalk between MSCs and HCC cells is not completely understood. Here, HCC cells were treated with or without conditioned medium of MSCs (CM-MSC), ...

journal_title：Cancer letters

authors： Wang W,Wang Q,Huang DB,Sun QK,Wu SS,Zhao YJ,Jia W,Hu DS,He YF

更新日期：2021-01-17 00:00:00

abstract：:Epidermal growth factor receptors (EGFR) expression is frequently amplified in human glioblastoma cells. Nimotuzumab, a monoclonal antibody (mAb) against EGFR, has been used globally in clinics as an anti-cancer agent. It is largely unknown whether the blockade of miR-21, a microRNA that is upregulated in glioma cells...

journal_title：Cancer letters

authors： Zhang KL,Han L,Chen LY,Shi ZD,Yang M,Ren Y,Chen LC,Zhang JX,Pu PY,Kang CS

更新日期：2014-01-01 00:00:00

abstract：:The influence of the carcinogen 2-acetylaminofluorene (2AAF) administration on splenic natural killer (NK) cell function in two strains of rats has been examined and compared with that of the non-carcinogenic analogue 4-acetylaminofluorene (4AAF). In both strains it was observed that daily exposure to 25 mg kg-1 2AAF ...

journal_title：Cancer letters

authors： Kimber I,Griffin AC,Jones K

更新日期：1986-01-01 00:00:00

abstract：:Recent studies indicate that gossypol possesses potent antitumor activities in vitro and in vivo. The nuclear factor-kappa B (NF-kappaB) plays an important role in tumor cell growth, proliferation, invasion, and survival. In this study, we investigated the effects and the molecular mechanisms of gossypol on NF-kappaB ...

journal_title：Cancer letters

authors： Moon DO,Kim MO,Lee JD,Kim GY

更新日期：2008-06-18 00:00:00

abstract：:To investigate if genomic instability exists in tumors with cytogenetically normal karyotypes, we analyzed four diploid cancer cell lines A204, CAL51, CH1 and SK-UT-1B. We detected subtle genomic changes in all four cell lines. More of these alterations were found in A204 and CH1 than in the microsatellite unstable li...

journal_title：Cancer letters

authors： Mao X,Young BD,Chaplin T,Shipley J,Lu YJ

更新日期：2008-08-18 00:00:00

abstract：:The lack of effective anti-tumor therapy for renal cell carcinoma (RCC) has stimulated the search for novel target whose inhibition could block tumorigenesis. Recently, reduced DLC-1 has been shown to be associated with aggressive and highly metastatic renal cell carcinoma. In this study, the biological role of DLC-1 ...

journal_title：Cancer letters

authors： Zhang T,Zheng J,Jiang N,Wang G,Shi Q,Liu C,Lu Y

更新日期：2009-09-28 00:00:00

abstract：:The tumor microenvironment (TME) of lung cancer has been documented to play an important role in participating in tumor disease progression. As the precursor of most stroma in TME, mesenchymal stem cells (MSCs) draw great attention since evidence has suggested that MSCs derived from lung cancer patients present a diff...

journal_title：Cancer letters

authors： Liu R,Wei S,Chen J,Xu S

更新日期：2014-10-28 00:00:00

abstract：:Chronic exposure to cadmium is known to be a risk factor for human prostate cancer. Despite over-whelming evidence of cadmium causing carcinogenicity in humans, the specific underlying molecular mechanisms that govern metal-induced cellular transformation remain unclear. Acute exposure (up to 72 h) to cadmium induces ...

journal_title：Cancer letters

authors： Kolluru V,Pal D,Papu John AMS,Ankem MK,Freedman JH,Damodaran C

更新日期：2017-11-01 00:00:00

abstract：:The AT-rich interaction domain 1A (ARID1A, also known as BAF250a) is a chromatin remodeling gene, which frequently mutates across a broad spectrum of cancers with loss expression of the ARID1A protein. Recently, the association between ARID1A deficiency and immune checkpoint blockade (ICB) therapy has been reported. A...

journal_title：Cancer letters

authors： Hu G,Tu W,Yang L,Peng G,Yang L

更新日期：2020-03-31 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：:The tumorigenicity of 4-aminobiphenyl (4-ABP) and 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) were studied in combination with caloric restriction in the male neonatal CD1 mouse bioassay. 4-ABP and PhIP exhibited moderate and weak tumorigenicity, respectively, in ad libitum fed mice; however, none of the ca...

journal_title：Cancer letters

authors： Von Tungeln LS,Bucci TJ,Hart RW,Kadlubar FF,Fu PP

更新日期：1996-07-12 00:00:00

abstract：:We have reported that the ectopic expression of progesterone receptor (PR) in MCF-7 cells disrupted the effects of estradiol-17beta (E2), and this anti-estrogenic effect of PR was associated with heightened E2 metabolism and inhibition of estrogen receptor (ER) binding to estrogen response element (ERE). This study de...

journal_title：Cancer letters

authors： Zheng ZY,Lin VC

更新日期：2008-09-18 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