Continuous administration of the three thrombospondin-1 type 1 repeats recombinant protein improves the potency of therapy in an orthotopic human pancreatic cancer model.

abstract：:2'-Deoxy-N4-[2-(4-nitrophenyl)ethoxycarbonyl]-5-azacytidine (NPEOC-DAC), decitabine with a modification of the N4 position of the azacitidine ring can be used to inhibit DNA methyltransferase. This modification protects the azacitidine ring and can be cleaved by carboxylesterase to release decitabine. NPEOC-DAC was 23...

journal_title：Cancer letters

authors： Byun HM,Choi SH,Laird PW,Trinh B,Siddiqui MA,Marquez VE,Yang AS

更新日期：2008-08-08 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 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：:Liver cancer is an extraordinarily heterogeneous malignant disease among the tumors that have so far been identified. Hepatocellular carcinoma (HCC) arises most frequently in the setting of chronic liver inflammation and fibrosis, and takes a variety of course in individual patients to process to tumor. The risk facto...

journal_title：Cancer letters

authors： Li L,Wang H

更新日期：2016-09-01 00:00:00

abstract：:Integrin cell adhesion molecules play a crucial role in tumor cell resistance to radio- and chemotherapy and are therefore considered attractive targets for cancer therapy. Here, we assessed the role of β1 integrin-interacting α integrin subunits in more physiological three-dimensional extracellular matrix grown head ...

journal_title：Cancer letters

authors： Steglich A,Vehlow A,Eke I,Cordes N

更新日期：2015-02-28 00:00:00

abstract：:Insertion of functional interleukin-2 (IL-2) gene into a plasmacytoma cell line X63-Ag8.653 substantially reduced tumorigenicity of the resulting cloned cells, designated as X63-m-IL-2. Peritumoral administration of the X63-m-IL-2 cells, producing constitutively large quantities of IL-2, resulted in regressions of est...

journal_title：Cancer letters

authors： Bubeník J,Lotzová E,Indrová M,Símová J,Jandlová T,Bubeníková D

更新日期：1992-03-15 00:00:00

abstract：:Increased intramedullary apoptotic death of hematopoietic cells is thought to contribute to the ineffective hematopoiesis in myelodysplastic syndromes (MDS). Furthermore, high amounts of tumor necrosis factor alpha (TNF alpha) have previously been correlated with apoptosis in MDS marrows. The present studies were unde...

journal_title：Cancer letters

authors： Mundle SD,Reza S,Ali A,Mativi Y,Shetty V,Venugopal P,Gregory SA,Raza A

更新日期：1999-06-01 00:00:00

abstract：:Since CP always exists in aqueous solution as a mixture of native drug and various aqua and hydroxo species, it is conceivable that one or more of these aquated species is the main form of the drug that enters the cell. To test this hypothesis, we examined the accumulation by 2008 human ovarian carcinoma cells of CP a...

journal_title：Cancer letters

authors： Jennerwein M,Andrews PA

更新日期：1994-06-30 00:00:00

abstract：:Akt signaling pathway has attracted much attention as a promising target for cancer therapeutics. Herein, we report that Isobavachalcone (IBC), a natural chalcone, potently abrogates Akt signaling and exerts anti-proliferative effects on several human cancer cell lines. Modeling results from the Sybyl/FlexiDock progra...

journal_title：Cancer letters

authors： Jing H,Zhou X,Dong X,Cao J,Zhu H,Lou J,Hu Y,He Q,Yang B

更新日期：2010-08-28 00:00:00

abstract：:Cytokines induce inflammatory and immune responses in tumors after photodynamic therapy (PDT). Since there are no reports of IL-6 in nasopharyngeal cancer (NPC) cells following PDT, we evaluated IL-6 expression in two different NPC tumors after hypericin mediated PDT. Interleukin-6 transcription was significantly upre...

journal_title：Cancer letters

authors： Du H,Bay BH,Mahendran R,Olivo M

更新日期：2006-04-28 00:00:00

abstract：:To improve the knowledge of the underlying mechanisms of action involved in air pollution Particulate Matter (PM)-induced toxicity in human lungs, with a particular interest of the crucial role played by coated-organic chemicals, we were interested in the metabolic activation of Polycyclic Aromatic Hydrocarbons (PAH)-...

journal_title：Cancer letters

authors： Billet S,Abbas I,Le Goff J,Verdin A,André V,Lafargue PE,Hachimi A,Cazier F,Sichel F,Shirali P,Garçon G

更新日期：2008-10-18 00:00:00

abstract：:To define the critical region of liver-specific tumor suppressor genes in human hepatocellular carcinoma (HCC), we analyzed 30 cases of hepatocellular carcinoma using nine 4q and six 16q microsatellite polymorphic DNA markers. We observed one major common deleted region which was flanked by D4S175-D4S1625 and there ma...

journal_title：Cancer letters

authors： Chou YH,Chung KC,Jeng LB,Chen TC,Liaw YF

更新日期：1998-01-16 00:00:00

abstract：:MLL-rearranged leukemia is an aggressive malignancy associated with poor outcome, which is refractory to conventional treatment. Melatonin has been proven to exert anti-tumor activity, but the effect of melatonin on MLL-r leukemia and the underlying mechanism remain poorly understood. In this study, melatonin inhibite...

journal_title：Cancer letters

authors： Tang YL,Sun X,Huang LB,Liu XJ,Qin G,Wang LN,Zhang XL,Ke ZY,Luo JS,Liang C,Peng CJ,Tang WY,Li Y,Huang W,Luo XQ,Deng W

更新日期：2019-02-28 00:00:00

abstract：:Dinitropyrenes are mutagenic environmental pollutants. Of these compounds, 1,6-dinitropyrene is a potent tumorigen while 1,3-dinitropyrene appears to be weakly or non-tumorigenic. Two-electron reduction of dinitropyrenes yields nitro-nitrosopyrenes, which have been shown previously to be the major aerobic metabolites ...

journal_title：Cancer letters

authors： Djuric Z

更新日期：1992-07-31 00:00:00

abstract：:The p53 mutations in betel-related oral cancer have been studied but the results may be confounded by tobacco and alcohol due to tobacco components in the quid or concomitant habits of smoking and drinking. In this study, p53 mutations in tumors from Thai betel chewers who neither smoke nor drink were studied in compa...

journal_title：Cancer letters

authors： Thongsuksai P,Boonyaphiphat P,Sriplung H,Sudhikaran W

更新日期：2003-11-10 00:00:00

abstract：:Treatment of human epidermoid carcinoma A431 cells with transplatin (trans-DDP) and beta-hydroxyisovalerylshikon (beta-HIVS) together had a strong inhibitory effect on A431 cells. By contrast, trans-DDP and beta-HIVS by themselves, at the same respective concentrations, had practically no effect. The tyrosine kinase a...

journal_title：Cancer letters

authors： Xu Y,Nakajo S,Nakaya K

更新日期：2002-12-15 00:00:00

abstract：:Dihydroagarofuran sesquiterpenes, which were isolated from Tripterygium wilfordii Hook fil. var. regelii Makino and Euonymus sieboldianus Blume, showed inhibitory effects on Epstein-Barr virus early antigen (EBV-EA) activation induced by 12-O-tetradecanoylphorbol-13-acetate (TPA). Triptogelin A-1, one of the active di...

journal_title：Cancer letters

authors： Ujita K,Takaishi Y,Tokuda H,Nishino H,Iwashima A,Fujita T

更新日期：1993-02-01 00:00:00

abstract：:Vascular normalisation, the process that reverses the structural and functional abnormalities seen in tumour-associated vessels, is also accompanied by changes in leucocyte trafficking. Our previous studies have shown the normalisation effects of the agent CD5-2 which acts to stabilise VE-Cadherin leading to increased...

journal_title：Cancer letters

authors： Zhao Y,Li J,Ting KK,Chen J,Coleman P,Liu K,Wan L,Moller T,Vadas MA,Gamble JR

更新日期：2021-01-01 00:00:00

abstract：:These experiments were designed to test the role of the polyamine pathway in breast cancer progression utilizing an experimental system based on the development of ovary-independent rat mammary tumors and their sequential transplantation into syngeneic hosts. Three key enzymes involved in the PA biosynthetic/catabolic...

journal_title：Cancer letters

authors： Manni A,Grove R,Kunselman S,Aldaz CM

更新日期：1995-05-25 00:00:00

abstract：:Amplification and overexpression of PPM1D (protein phosphatase magnesium-dependent 1 delta) has been observed in various cancer cell lines and primary tumors and has also been associated with cancers of poor prognosis. In addition to the negative feedback regulation of p38-p53 signaling, PPM1D inhibits other tumor sup...

journal_title：Cancer letters

authors： Pärssinen J,Alarmo EL,Khan S,Karhu R,Vihinen M,Kallioniemi A

更新日期：2008-01-18 00:00:00

abstract：:Vesnarinone (OPC-8212; 3,4-dihydro-6-[4-(3,4-dimethoxybenzoyl)-1-piperazinyl]-2(1H)-quinolinone ) is a synthetic oral cardiotonic agent that has been used for the treatment of patients with congestive heart failure. Six days of treatment with 30 microg/ml of vesnarinone induced 20-80% growth inhibitions in five out of...

journal_title：Cancer letters

authors： Yokozaki H,Ito R,Ono S,Hayashi K,Tahara E

更新日期：1999-06-01 00:00:00

abstract：:The relationship between tumor cell differentiation and photosensitizer accumulation used in PDT is poorly defined. In the present work, specific cell differentiation of colon carcinoma CT26 cells induced by sodium butyrate was manifested by morphological changes, proliferation and protein expression and was correlate...

journal_title：Cancer letters

authors： Siboni G,Amit-Patito I,Weizman E,Waintraub-Porat M,Weitman H,Ehrenberg B,Malik Z

更新日期：2003-06-30 00:00:00

abstract：:Conditioned medium from a series of human breast cancer cell lines representing the phenotypes of estrogen dependence ZR-75-1, MCF-7), tamoxifen resistance (Z(+)-75-9a1, LY2) and estrogen independence (ZR-PR-Lt) contained four detectable insulin-like growth factor binding proteins (IGFBPs) of MW 24, 34, 44 and 70 kDa....

journal_title：Cancer letters

authors： McCotter D,van den Berg HW,Boylan M,McKibben B

更新日期：1996-02-06 00:00:00

abstract：:Resveratrol is a plant polyphenol found in grapes and red wine. It has been found to have beneficial effects on the cardiovascular system. Resveratrol also inhibits the growth of various tumor cell lines in vitro and inhibits carcinogenesis in vivo. In this study we examined the effect of resveratrol on growth of two ...

journal_title：Cancer letters

authors： Niles RM,McFarland M,Weimer MB,Redkar A,Fu YM,Meadows GG

更新日期：2003-02-20 00:00:00

abstract：:The aim of this study was to investigate the interaction of tamoxifen (TAM) with the so-called Type II estrogen binding sites (Type II EBS) in both the cytosolic and the nuclear fraction of the ER-negative A 2780 human ovarian cancer cell line and in an ER-negative ovarian cancer tissue. Although cytosolic and nuclear...

journal_title：Cancer letters

authors： Ferrandina G,Ranelletti FO,Scambia G,Benedetti Panici P,D'Agostino G,Piantelli M,Isola G,Mancuso S

更新日期：1995-09-04 00:00:00

abstract：:We have investigated whether ablation of normal rat liver by ultrasound can be enhanced after administration of a photosensitizing agent (Photofrin II). After laparotomy and administration of Photofrin II (30 mg/kg), ultrasound (210 kHz, 1.3 W/cm2) was directed directly to the surface of the liver for a total duration...

journal_title：Cancer letters

authors： Tachibana K,Sugata K,Meng J,Okumura M,Tachibana S

更新日期：1994-04-01 00:00:00

abstract：:Suspensions of Walker and HeLa cells, rat fibroblasts and human stimulated lymphocytes were incubated over various periods with the synthetic amino steroid, 2 beta,16 beta-dipiperidino-5 alpha-androstane-3 alpha,17 beta-diol dipivalate (DAP). The acute cell destroying effect was found to be exponentially time and dose...

journal_title：Cancer letters

authors： Emminger A,Kahmann E,Savage DS

更新日期：1977-03-01 00:00:00

abstract：:Ditercalinium (7-H-pyridocarbazole dimer), a prospective antitumor drug, is a bis-intercalator characterized by a very high affinity towards nucleic acids. Specificity of binding of this drug has been studied using spectroscopy and flow cytometry. The competition experiments between the drug and 4',6-diamidino-2-pheny...

journal_title：Cancer letters

authors： Kapuscinski J,Traganos F,Darzynkiewicz Z

更新日期：1988-11-01 00:00:00

abstract：:Certain polyunsaturated fatty acids can selectively kill tumor cell lines while causing little to no harm to normal cell lines. However, the mechanism of this cytotoxicity is only partially understood. Antioxidants such as vitamin E have been shown to be capable of completely blocking the cytotoxic response when admin...

journal_title：Cancer letters

authors： Ells GW,Chisholm KA,Simmons VA,Horrobin DF

更新日期：1996-01-02 00:00:00

abstract：:The induction of differentiation of SENCAR murine granulocyte-macrophage precursor cells (GM-CFU) by the tumor-promoting phorbol diester 12-O--tetradecanoyl-phorbol-13-acetate (TPA) was inhibited by agents reported to inhibit specific aspects of arachidonic acid metabolism. These agents included phospholipase A2 inhib...

journal_title：Cancer letters

authors： Baxter CS,Lawrence AT

更新日期：1987-11-01 00:00:00