Inhibitors of mTOR overcome drug resistance from topoisomerase II inhibitors in solid tumors.

abstract：:Fanconi anemia (FA) is a rare genome instability syndrome characterized by progressive bone marrow failure and predisposition to cancer, especially head and neck squamous cell carcinoma. Surgical resection is the standard of care for solid tumors, as patients with FA do not tolerate genotoxic chemotherapies or radiati...

journal_title：Cancer letters

authors： Ramírez MJ,Minguillón J,Loveless S,Lake K,Carrasco E,Stjepanovic N,Balmaña J,Català A,Mehta PA,Surrallés J

更新日期：2020-03-01 00:00:00

abstract：:In order to adapt to the reduced availability of nutrients and oxygen in the tumor microenvironment and the increased requirements of energy and building blocks necessary for maintaining their high proliferation rate, malignant cells undergo metabolic changes that result in an increased production of lactate, nitric o...

journal_title：Cancer letters

authors： Netea-Maier RT,Smit JWA,Netea MG

更新日期：2018-01-28 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：:The mouse monoclonal anti-BAL antibody induced apoptosis in a pre-B acute lymphocytic leukemia cell line within 2 days of incubation, after being crosslinked by a secondary antibody. The antibody specifically recognized a 37 kDa membrane protein that was expressed on a wide spectrum of normal and malignant cells, but ...

journal_title：Cancer letters

authors： Wallén-Ohman M,Lönnbro P,Schön A,Borrebaeck CA

更新日期：1993-12-10 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：: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：:The effect of a methyl substituent at the non-benzo ring bay-region position of benzo[e]pyrene (B[e]P), cholanthrene (CA) and dibenz[a,j]anthracene (DB[a,j]A) on skin tumor-initiating activity was examined. A methyl substituent at the 1-carbon of B[e]P enhanced tumor-initiating activity of the parent compound (0.18 vs...

journal_title：Cancer letters

authors： Sawyer TW,Chang K,Harvey RG,DiGiovanni J

更新日期：1987-09-01 00:00:00

abstract：:The tumorigenicity of 7-chlorobenz[a]anthracene (7-Cl-BA, and environmental contaminant, and 7 bromobenz[a]anthracene (7-Br-BA) was determines in the male B6C3F(1) newborn mouse. Mice receiving 7-Cl-BA and 7-Br-BA by i.p. injections at a dose of 1600 nmol per mouse on 1, 8, and 15 days after birth developed 92 and 96%...

journal_title：Cancer letters

authors： Fu PP,Von Tungeln LS,Zhan DJ,Bucci T

更新日期：1996-03-19 00:00:00

abstract：:The kinetics of total DNA adducts were compared in the liver, bladder epithelium and small intestinal epithelium of rats and mice following a single oral dose (100 mg/kg) of 3,3'-dichlorobenzidine [( 14C]DCB). Peak DNA binding (expressed as pmol DCB bound/mg DNA) in rat tissues was 153.5, 144.8 and 36.9 in the intesti...

journal_title：Cancer letters

authors： Ghosal A,Iba MM

更新日期：1990-09-01 00:00:00

abstract：:N'-Nitrosonornicotine (NNN) or N'-nitrosonornicotine-1-N-oxide (NNN-1-N-oxide), one of its metabolites, was added to the drinking water (0.012% for 36 weeks) of groups of male and female F344 rats or to the drinking water (0.016% for 31 weeks) of groups of male and female Syrian golden hamsters. All rats treated with ...

journal_title：Cancer letters

authors： Hecht SS,Young R,Maeura Y

更新日期：1983-10-01 00:00:00

abstract：:The porphyrin content of cells labelled with hematoporhyrin derivative (Hpd) and tumours of mice injected with Hpd was analysed by means of high pressure liquid chromatography (HPLC). The components of Hpd may be classified in 3 groups: (A) Components with a high fluorescence quantum yield and with sharp peaks in the ...

journal_title：Cancer letters

authors： Moan J,Sommer S

更新日期：1983-12-01 00:00:00

abstract：:Nitric oxide (NO) and associated reactive nitrogen species (RNS) are involved in many physiological functions. There has been an ongoing debate to whether RNS can inhibit or perpetuate chronic inflammation and associated carcinogenesis. Although the final outcome depends on the genetic make-up of its target, the surro...

journal_title：Cancer letters

authors： Hofseth LJ

更新日期：2008-09-08 00:00:00

abstract：:Hepatocyte nodules and hepatocellular carcinomas were induced in male Fischer rats using the resistant hepatocyte model. The immunoreactive cytosolic levels of the heme-binding Z protein (HBP) were reduced by 56% (P less than 0.001; 2-tailed t-test) in early hepatocyte nodules (25 weeks) and hepatocellular carcinomas ...

journal_title：Cancer letters

authors： Roomi MW,Vincent SH,Farber E,Muller-Eberhard U

更新日期：1988-12-01 00:00:00

abstract：:Gelatinases play important roles in tumor progression and are abundantly expressed in a variety of malignant tumors. Antibody targeting gelatinases is a possible avenue to fight against cancer. However, antibody alone can not achieve curative efficacy. Herein, we demonstrated the intensified targeting therapy of a tan...

journal_title：Cancer letters

authors： Zhong G,Zhang S,Li Y,Liu X,Gao R,Miao Q,Zhen Y

更新日期：2010-09-01 00:00:00

abstract：:Bone metastasis is an important cause of morbidity in advanced prostate cancer. Bisphosphonates are widely used for the treatment and prevention of osteoporosis, but recently have been observed to be effective in controlling prostate cancer metastasis. Since aminopeptidase N (AP-N) is known to be involved in the metas...

journal_title：Cancer letters

authors： Iguchi K,Nakano T,Usui S,Hirano K

更新日期：2006-06-18 00:00:00

abstract：:Therapeutic biomacromolecules are confronted with in vivo challenges of low bio-stability and poor tumor tissue-penetration. Herein, we report for the first time, our development and characterization of a hybrid nanocomposite for delivering a Bcl-2-converting peptide (NuBCP9, N9 hereafter) and testing its efficacy alo...

journal_title：Cancer letters

authors： Xie J,Xu W,Wu Y,Niu B,Zhang X

更新日期：2020-01-28 00:00:00

abstract：:In our joint project in the search for anti-tumor promoters from natural plant sources, we carried out a primary screening of 12 phenylpropanoids isolated from Boronia pinnata Sm. (Rutaceae) by examining their possible inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradeca...

journal_title：Cancer letters

authors： Ito C,Itoigawa M,Furukawa H,Ichiishi E,Mukainaka T,Okuda M,Ogata M,Tokuda H,Nishino H

更新日期：1999-07-19 00:00:00

abstract：:A six-month bioassay in A/J mice was conducted to test the hypothesis that chronically inhaled mainstream cigarette smoke would either induce lung cancer or promote lung carcinogenicity induced by the tobacco-specific nitrosamine, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK). Groups of 20 female A/J mice were ...

journal_title：Cancer letters

authors： Finch GL,Nikula KJ,Belinsky SA,Barr EB,Stoner GD,Lechner JF

更新日期：1996-02-06 00:00:00

abstract：:Both insulin-like growth factor II (IGF2) and H19 gene are located on chromosome 11p15.5 in close vicinity to each other, and are imprinted on different parental alleles. Although the exact mechanism remains unclear, loss of imprinting (LOI) leading to the biallelic expression of IGF2 and H19 genes has recently been r...

journal_title：Cancer letters

authors： Wu MS,Wang HP,Lin CC,Sheu JC,Shun CT,Lee WJ,Lin JT

更新日期：1997-11-25 00:00:00

abstract：:Although a correlation has been suggested between cigarette smoking and pancreatic cancer, studies on pathological changes in the pancreas of smokers are fragmentary. In the present study we examined histopathologically 73 pancreases obtained by autopsy from 42 heavy cigarette smokers and 31 non-smoker patients. One i...

journal_title：Cancer letters

authors： Tomioka T,Andrén-Sandberg A,Fujii H,Egami H,Takiyama Y,Pour PM

更新日期：1990-12-03 00:00:00

abstract：:Treatment of mouse lymphoma L5178Y cells with spermine in Fischer's medium containing bovine serum lead to formation of chromatid aberrations. The cause of this effect seems to be that bovine serum contains spermine oxidase which catalyzes oxidation of spermine to unstable aldehyde derivatives (oxidized spermine) and ...

journal_title：Cancer letters

authors： Bouzyk E,Rosiek O

更新日期：1988-02-01 00:00:00

abstract：:Enhanced c-erbB-2/neu expression has been linked with a poor prognosis in human bladder cancer. Previous reports have shown that a point mutation at nucleotide T2012 in the coding region of the transmembrane domain of the rat gene is sufficient to confer transformation potential on this gene. We examined the comparati...

journal_title：Cancer letters

authors： Mann AM,Asamoto M,Masui T,Macatee T,Eklund SH,Cohen SM

更新日期：1994-08-29 00:00:00

abstract：:The family of cyclin-dependent kinase complexes (Cdks) are well known for their role in the cell division cycle. What is less well known, however, is that Cdks also participate in a subset of apoptosis programs. Evidence for the role of Cdks in apoptosis comes from a variety of experimental approaches, including studi...

journal_title：Cancer letters

authors： Golsteyn RM

更新日期：2005-01-20 00:00:00

abstract：:Previous studies have demonstrated that fibroblast growth factor 8b (FGF8b) is up-regulated in a large proportion of prostate cancer patients and that it plays a key role in prostate carcinogenesis. In this study, we designed and synthesized a gN helix domain derived short peptide (termed 8b-13) based on the analysis ...

journal_title：Cancer letters

authors： Li T,Luo W,He D,Wang R,Huang Y,Zeng X,Wang W,Chen X,Gao S,Yu Y,Li X,Wu X

更新日期：2013-10-10 00:00:00

abstract：:Exosomes are structurally and functionally pleiotropic nano-sized (~30-150 nm in diameter) extracellular vesicles (EVs) with endosomal origin. These vesicles are secreted by almost all cells and play a significant role in intercellular communication and bio-waste disposal. To a great extent, exosomes represent biologi...

journal_title：Cancer letters

authors： Kumar A,Deep G

更新日期：2020-09-28 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：:Liposome encapsulation of anticancer agents results in reduced side effects of the entrapped drug and improved therapeutic efficacy. The external surface of the lipidic envelope can be coupled with antibodies directed against tumor-associated antigens. The resulting immunoliposomes allow to increase the therapeutic in...

journal_title：Cancer letters

authors： Brignole C,Marimpietri D,Pagnan G,Di Paolo D,Zancolli M,Pistoia V,Ponzoni M,Pastorino F

更新日期：2005-10-18 00:00:00

abstract：:Endothelin-1 (ET-1) is a potent vasoconstrictor that has been shown to significantly impact many benign and malignant tissues by signaling through its two cognate receptors: ET(A) and ET(B). As ET-1 has a role in both normal and diseased kidney, we initiated studies to investigate endothelin axis expression and functi...

journal_title：Cancer letters

authors： Pflug BR,Zheng H,Udan MS,D'Antonio JM,Marshall FF,Brooks JD,Nelson JB

更新日期：2007-02-08 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：:The pineal has been recently implicated in mammary tumorigenesis. Effect of physiological pinealectomy brought about by subjecting female Holtzman rats to permanent lighting (24 h/day) from birth was studied on the incidence of 9,10-dimethyl-1,2-benzanthracene (DMBA) induced mammary tumors. The incidence of adenocarci...

journal_title：Cancer letters

authors： Kothari LS,Shah PN,Mhatre MC

更新日期：1982-09-01 00:00:00