Inhibition of MDR1 gene expression by H-87, a selective inhibitor of cAMP-dependent protein kinase.

abstract：:This study was designed to investigate the influence of neonatal selenium (an anticarcinogenic agent) exposure on spontaneous liver tumor formation in adult mice. Pregnant CBA mice were administered selenium during the last week of pregnancy and for ten days following parturition. Selenium significantly reduced the in...

journal_title：Cancer letters

authors： Popova NV

更新日期：2002-05-08 00:00:00

abstract：:Epigenetic aberrations have been associated with cutaneous melanoma tumorigenesis and progression including dysregulated DNA gene promoter region methylation, histone modification, and microRNA. Several of these major epigenetic aberrations have been developed into biomarkers. Epigenetic biomarkers can be detected in ...

journal_title：Cancer letters

authors： Greenberg ES,Chong KK,Huynh KT,Tanaka R,Hoon DS

更新日期：2014-01-28 00:00:00

abstract：:Formation of DNA-adducts by 3-BHA or its metabolites, i.e., tert-butyl-1,4-benzoquinone (TBQ) and 5-methoxy-3-tert-butyl-1,2-benzoquinone (3-TBOQ), as well as DNA-adduct formation by 4-nitroquinoline-N-oxide (4NQO), in rat forestomach were examined by an enzymatic 32P-postlabeling assay. Four DNA-adducts were clearly ...

journal_title：Cancer letters

authors： Saito K,Nakagawa S,Yoshitake A,Miyamoto J,Hirose M,Ito N

更新日期：1989-12-01 00:00:00

abstract：:Breast cancer stem cells (BCSCs) initiate and sustain breast cancers, and several putative markers have been proposed to prospectively isolate BCSC from the non-cancer stem cell population. The candidate BCSC marker Sca-1 is a GPI-linked membrane protein expressed on activated lymphocytes, hematopoietic stem cells and...

journal_title：Cancer letters

authors： Matilainen H,Yu XW,Tang CW,Berridge MV,McConnell MJ

更新日期：2012-10-01 00:00:00

abstract：:Our purpose is to demonstrate the relationship between microvessel density (MVD), vascular cuffing (VC), vascular endothelial growth factor (VEGF) expression and clinicopathological parameters in ovarian cancer. Surgical specimens from 105 primary ovarian cancers were examined for vascularization and VEGF expression b...

journal_title：Cancer letters

authors： Ogawa S,Kaku T,Kobayashi H,Hirakawa T,Ohishi Y,Kinukawa N,Nakano H

更新日期：2002-02-08 00:00:00

abstract：:Cancer stem cells (CSCs) are a small subpopulation of tumor cells critical for tumor development. Their unique abilities, such as self-renewal, have resulted in tumor resistance to various cancer treatments, including traditional chemotherapy and latest immunotherapy. CSCs-targeting therapy is a promising treatment to...

journal_title：Cancer letters

authors： Shen C,Yang C,Xia B,You M

更新日期：2021-03-01 00:00:00

abstract：:In this study we demonstrate the involvement of ras oncogenes in bladder cancer at the level of RNA overexpression. We examined 26 bladder specimens, consisting of paired tumor and adjacent normal tissue and found that H-ras transcripts were overexpressed in 39% of the specimens while K-ras and N-ras in 58% of total s...

journal_title：Cancer letters

authors： Vageli D,Kiaris H,Delakas D,Anezinis P,Cranidis A,Spandidos DA

更新日期：1996-10-22 00:00:00

abstract：:Pancreatic cancer is currently one of the deadliest solid malignancies and pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer. In the past decade, diagnostics and surgical techniques for PDAC have been evolving steadily; however, clinical outcomes of patients with PDAC have shown litt...

journal_title：Cancer letters

authors： Xiang J,Liu L,Wang W,Xu H,Wu C,Xu J,Liu C,Long J,Ni Q,Yu X

更新日期：2015-04-10 00:00:00

abstract：:Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest of all solid tumours and more effective therapy is urgently needed. The stroma is thought to play a critical role in tumour development and metastasis, and high stromal expression of the matricellular protein SPARC has been robustly associated with poor p...

journal_title：Cancer letters

authors： Munasinghe A,Malik K,Mohamedi F,Moaraf S,Kocher H,Jones L,Hill NJ

更新日期：2020-05-01 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：:Costunolide (CT), a sesquiterpene lactone constituent isolated from Saussurea lappa (Compositae), exerted an antiangiogenic effect. CT selectively inhibited the endothelial cell proliferation induced by vascular endothelial growth factor (VEGF). Further, CT was also found to inhibit the VEGF-induced chemotaxis of huma...

journal_title：Cancer letters

authors： Jeong SJ,Itokawa T,Shibuya M,Kuwano M,Ono M,Higuchi R,Miyamoto T

更新日期：2002-12-10 00:00:00

abstract：:EGF-receptor family members (EGFRs) as well as c-Src are over expressed in approximately 70% of breast cancer, and in most of the tumors c-Src is co-over expressed with at least one of the EGFRs, suggesting that they may interact functionally and play a role in the development and progression of the malignancy. We hyp...

journal_title：Cancer letters

authors： Nautiyal J,Majumder P,Patel BB,Lee FY,Majumdar AP

更新日期：2009-10-08 00:00:00

abstract：:Monitoring angiogenesis is potentially an effective strategy for the early detection of cancer. In this study, early detection was achieved by evaluating blood vessel density in the liver using a three-dimensional contrast-enhanced high-frequency ultrasound (CE-HFUS) system and Sonazoid microbubbles. Three-dimensional...

journal_title：Cancer letters

authors： Horie S,Chen R,Li L,Mori S,Kodama T

更新日期：2013-10-10 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：:Gastric juice ascorbic acid concentrations were examined in black and white patients. Significantly lower concentrations were found in blacks, in the absence of a significant difference in the plasma concentration of vitamin C between races. Blacks had higher prevalence of Helicobacter pylori infection, higher gastric...

journal_title：Cancer letters

authors： Ruiz B,Correa P,Fontham ET,Rood JC,Malcom GT,Torrado J,Perez A,Ramakrishnan T,Hunter FM

更新日期：1994-08-15 00:00:00

abstract：:Multi-drug resistance (MDR) has become the largest obstacle to the success of cancer chemotherapies. The mechanisms of MDR and the approaches to test MDR have been discovered, yet not fully understood. This review covers the in vivo and in vitro approaches for the detection of MDR in the laboratory and the mechanisms ...

journal_title：Cancer letters

authors： Wu Q,Yang Z,Nie Y,Shi Y,Fan D

更新日期：2014-06-01 00:00:00

abstract：:Previously, we showed that hypoxia-inducible factor (HIF)-1alpha, HIF-2alpha, carbonic anhydrase IX (CA IX), and vascular endothelial growth factor (VEGF) were frequently coexpressed in tumor biopsies from patients of nasopharyngeal carcinoma (NPC) and were associated with poor outcome after radiotherapy. Here, we fur...

journal_title：Cancer letters

authors： Sung FL,Hui EP,Tao Q,Li H,Tsui NB,Lo YM,Ma BB,To KF,Harris AL,Chan AT

更新日期：2007-08-08 00:00:00

abstract：:A single administration of enantiomerically pure 11,12-dihydrodiols of dibenzo[a,l]pyrene (DB[a,l]P) on the back of NMRI mice and subsequent chronic treatment with 12-O-tetradecanoylphorbol 13-acetate (TPA) (initiation/promotion assay) revealed strikingly different carcinogenic activities of both enantiomers. Tumor-in...

journal_title：Cancer letters

authors： Luch A,Friesel H,Seidel A,Platt KL

更新日期：1999-03-01 00:00:00

abstract：:The carcinogenic effects of the fungicide manganese ethylenebisdithiocarbamate (maneb) have been investigated in 2 populations of adult crested newt, which have different prevalences of spontaneous melanoma. Animals were exposed percutaneously to a 5 ppm solution of maneb 4 days a week for 37 weeks. No differences in ...

journal_title：Cancer letters

authors： Zavanella T,Zaffaroni NP,Arias E

更新日期：1980-08-01 00:00:00

abstract：:It is now well established that increased programmed death-1-ligand 1 (PD-L1) surface expression in cancer cells and the resultant T cell suppression contribute to cancer cell immune evasion. Blockade of PD-L1 function has been shown to stimulate anti-cancer immunity. Therefore, compounds that can down-regulate PD-L1 ...

journal_title：Cancer letters

authors： Liang M,Yang H,Fu J

更新日期：2009-04-08 00:00:00

abstract：:There is considerable direct evidence that calcium binding protein ANX A2 is a potential target for treating aggressive breast cancer. The most compelling data are based on the finding of ANX A2 overexpression in aggressive triple negative human breast cancer (TNBC) cell lines and in human breast cancer tissues. Previ...

journal_title：Cancer letters

authors： Sharma MC,Tuszynski GP,Blackman MR,Sharma M

更新日期：2016-04-01 00:00:00

abstract：:Mutations in the APC (adenomatous polyposis coli) gene, which encodes a multi-functional protein with a well-defined role in the canonical Wnt pathway, underlie familial adenomatous polypsosis, a rare, inherited form of colorectal cancer (CRC) and contribute to the majority of sporadic CRCs. However, not all sporadic ...

journal_title：Cancer letters

authors： Mazzoni SM,Fearon ER

更新日期：2014-12-01 00:00:00

abstract：:An emerging trend in cancer chemoimmunotherapeutics is to develop 'two-in-one' therapies, which directly inhibit tumor growth and progression, as well as enhance anti-tumor immune surveillance. Protein kinase A (PKA) is a cAMP-dependent protein kinase that mediates signal transduction of G-protein coupled receptors (G...

journal_title：Cancer letters

authors： Hussain M,Tang F,Liu J,Zhang J,Javeed A

更新日期：2015-12-01 00:00:00

abstract：:Associations between lung cancer risk and common polymorphisms in the DNA repair genes xeroderma pigmentosum complementation group D (XPD), X-ray repair cross-complementing group 1 (XRCC1), XRCC3 and apurinic/apyrimidinic endonuclease/redox factor 1 were examined within a randomized clinical trial designed to determin...

journal_title：Cancer letters

authors： Misra RR,Ratnasinghe D,Tangrea JA,Virtamo J,Andersen MR,Barrett M,Taylor PR,Albanes D

更新日期：2003-03-10 00:00:00

abstract：:NF-kappaB is activated in many types of cancer. Phosphorylation of p65 at serine 276 is required for the expression of a subset of NF-kappaB regulated genes, including vascular cell adhesion molecule-1 (VCAM-1) and interleukin-8 (IL-8). Thus, inhibition of serine 276 phosphorylation may prevent metastasis and angiogen...

journal_title：Cancer letters

authors： Law M,Corsino P,Parker NT,Law BK

更新日期：2010-05-28 00:00:00

abstract：:A polymorphism in the signal sequence (Ala-9Val) of the gene encoding the free radical-quenching manganese superoxide dismutase (MnSOD) has been reported to alter the risk for breast cancer. We evaluated this relationship in a population-based case-control study (476 breast cancer cases and 502 controls). Overall, rel...

journal_title：Cancer letters

authors： Egan KM,Thompson PA,Titus-Ernstoff L,Moore JH,Ambrosone CB

更新日期：2003-09-10 00:00:00

abstract：:Post-initiation modifying effects of dietary administration of a super critical extract of propolis on major organs were examined using a two-stage carcinogenesis model. Groups of 21 or 22 F344 female rats were treated sequentially with 2,2'-dihydroxy-di-n-propylnitrosamine (DHPN, i.g.), 7,12-dimethylbenz[a]anthracene...

journal_title：Cancer letters

authors： Kimoto N,Hirose M,Kawabe M,Satoh T,Miyataka H,Shirai T

更新日期：1999-12-01 00:00:00

abstract：:The dynamic changes of chicken erythrocyte membranes induced by a series of N-methyl-N'-aryl-N-nitrosoureas (I X) were investigated in comparison with those of N-methyl-N-nitrosourea (MNU) and N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) by electron spin resonance spectroscopy. Both I X and MNNG increased the intensity...

journal_title：Cancer letters

authors： Yano K,Sonoda M,Sakagishi Y

更新日期：1985-04-01 00:00:00

abstract：:NF-kappaB transcription factor regulates important cellular processes ranging from establishment of the immune and inflammatory responses to regulation of cell proliferation or apoptosis, through the induction of a large array of target genes. NF-kappaB is now considered as an important actor in the tumorigenic proces...

journal_title：Cancer letters

authors： Magné N,Toillon RA,Bottero V,Didelot C,Houtte PV,Gérard JP,Peyron JF

更新日期：2006-01-18 00:00:00

abstract：:Transfection of the estrogen-dependent and poorly invasive MCF-7 human breast cancer cell line so that it stably overexpressed 12-lipoxygenase and secreted high levels of 12-hydroxyeicosatetraenoic acid when cultured with arachidonate resulted in rapid growth in athymic nude mice when compared with the parental line. ...

journal_title：Cancer letters

authors： Connolly JM,Rose DP

更新日期：1998-10-23 00:00:00