A comparison of adrenergic receptors of rat ascites hepatoma AH130 cells with those of normal rat hepatocytes.

abstract：:Activation of the cytoplasmic (Ras-Raf-MEK-ERK) signaling cascade was shown to be both, necessary and sufficient for transformation in vitro as well as in vivo. However, over the last years the involvement of stress-activated protein kinases (SAPKs)/Jun N-terminal kinases (JNKs), and their substrate c-Jun in the proce...

journal_title：Cancer letters

authors： Rennefahrt U,Illert B,Greiner A,Rapp UR,Troppmair J

更新日期：2004-11-08 00:00:00

abstract：:Standard chemotherapy for pancreatic ductal adenocarcinoma (PDAC), nab-paclitaxel (NPT) plus gemcitabine (Gem), has led to an average survival of 8.5 months. Presently, no therapeutics exist that effectively target the KRAS oncogene, activated in 95% of PDACs, but alternative strategies focus on inhibition of downstre...

journal_title：Cancer letters

authors： Awasthi N,Kronenberger D,Stefaniak A,Hassan MS,von Holzen U,Schwarz MA,Schwarz RE

更新日期：2019-09-10 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：:We investigated the effects of the ethyl acetate extract of grapefruit juice (GFJ), that of orange juice (OJ) and their components on the uptake of [(3)H]vincristine into adriamycin-resistant human myelogenous leukemia cells. Its uptake was increased by the extracts of GFJ and OJ up to 7- and 3-fold, respectively, as ...

journal_title：Cancer letters

authors： Ikegawa T,Ushigome F,Koyabu N,Morimoto S,Shoyama Y,Naito M,Tsuruo T,Ohtani H,Sawada Y

更新日期：2000-11-10 00:00:00

abstract：:A common germline polymorphism of p53 gene produces an Arginine to Proline change at aminoacid position 72. The resulting codon 72 variants have been reported associated with tumor susceptibility since they reduce p53 ability to activate apoptosis. Codon 72 polymorphism may play a role in subside vulnerability to diff...

journal_title：Cancer letters

authors： Granja F,Morari J,Morari EC,Correa LA,Assumpção LV,Ward LS

更新日期：2004-07-16 00:00:00

abstract：:The accumulation of benzoporphyrin derivative (BPD) in malignant and host cell populations of the mouse RIF tumor was studied by flow cytometry analysis of cells dissociated from the tumor tissue. The highest cellular BPD levels were found in a subpopulation of tumor associated macrophages (TAMs) characterized by a hi...

journal_title：Cancer letters

authors： Korbelik M,Krosl G

更新日期：1995-11-06 00:00:00

abstract：:Since angiogenesis is considered essential for tumor growth and the development of metastasis, we assessed the correlation of microvessel density (MVD) with overall survival in patients with epithelial ovarian cancer. Histologic slides were immunostained for CD34-antigen. MVD was determined within each tumor by enumer...

journal_title：Cancer letters

authors： Obermair A,Wasicky R,Kaider A,Preyer O,Lösch A,Leodolter S,Kölbl H

更新日期：1999-04-26 00:00:00

abstract：:We carried out a mutational analysis of BRCA1 and BRCA2 genes in 103 individuals from a population in Western Central Spain and we identified nine new variants: two truncating mutations in BRCA2 [2604C>A (Y792X), 8873del4], three missense mutations in BRCA2 [677A>G (H150R), 958G>A (D224N) and 3398A>G (K1057R], and fou...

journal_title：Cancer letters

authors： Salazar R,Cruz-Hernandez JJ,Sanchez-Valdivieso E,Rodriguez CA,Gomez-Bernal A,Barco E,Fonseca E,Portugal T,Gonzalez-Sarmiento R

更新日期：2006-02-20 00:00:00

abstract：:The synthetic compound 1,2-dimethylhydrazine is employed in carcinogenesis studies because of its reliable and specific ability to produce colon tumors in rodents. Male Fischer rats were treated at 7 weeks of age with a single oral dose of 1,2-dimethylhydrazine (35 mg/kg) and examined at autopsy 1.5 years later when t...

journal_title：Cancer letters

authors： Southern JT,Schiller CM

更新日期：1981-10-01 00:00:00

abstract：:Gene methylation is an important molecular event in prostate carcinogenesis that may have diagnostic and prognostic significance. We evaluated the methylation status of eight genes implicated in prostate carcinogenesis. DNA was extracted from archived paraffin-embedded tumor blocks from 90 prostate cancer patients. Ge...

journal_title：Cancer letters

authors： Woodson K,Hanson J,Tangrea J

更新日期：2004-03-18 00:00:00

abstract：:A panel of clinically used tyrosine kinase inhibitors were compared and nilotinib was found to most potently sensitize specific anticancer agents by blocking the functions of ABCB1/P-glycoprotein, ABCG2/BCRP and ABCC10/MRP7 transporters involved in multi-drug resistance. Nilotinib appreciably enhanced the antitumor re...

journal_title：Cancer letters

authors： Tiwari AK,Sodani K,Dai CL,Abuznait AH,Singh S,Xiao ZJ,Patel A,Talele TT,Fu L,Kaddoumi A,Gallo JM,Chen ZS

更新日期：2013-01-28 00:00:00

abstract：:Epigenetic silencing of HOPX has been shown to be frequent and specific in human cancers. HOPX is thought as a tumor suppressor gene and its promoter methylation is the main mechanism of down-regulation. In non-hereditary breast cancer, since roles of epigenetic modifications are more critical than in other cancers, t...

journal_title：Cancer letters

authors： Kikuchi M,Katoh H,Waraya M,Tanaka Y,Ishii S,Tanaka T,Nishizawa N,Yokoi K,Minatani N,Ema A,Kosaka Y,Tanino H,Yamashita K,Watanabe M

更新日期：2017-01-01 00:00:00

abstract：:Samples of human endometrial carcinomas of ranging degree of histological differentiation, and normal endometrial tissues were screened for the presence of single site DNA mutations at codon 12 of the C-K-ras gene using oligonucleotide hybridisation of DNA amplified by the polymerase chain reaction (PCR). Two instance...

journal_title：Cancer letters

authors： Lester DR,Cauchi MN

更新日期：1990-05-15 00:00:00

abstract：:Although the concept of employing ultrasound for the treatment of cancer is not a new one, virtually all existing ultrasound-based clinical cancer treatments are based on hyperthermic ablation. This review seeks to highlight the potential offered by more subtle ultrasound-triggered phenomena such as sonoporation in de...

journal_title：Cancer letters

authors： Nomikou N,McHale AP

更新日期：2010-10-28 00:00:00

abstract：:Hyperthermia induces cell death and the usual endpoint to study this is the ability of the cells to form colonies. Hyperthermia is also known to alter membrane characteristics, especially transmembrane potential and this has been correlated with duration and degree of heating. The aim of the present study was to see t...

journal_title：Cancer letters

authors： Remani P,Ostapenko VV,Akagi K,Bhattathiri VN,Nair MK,Tanaka Y

更新日期：1999-10-01 00:00:00

abstract：:Doxorubicin (dox) is an anthracycline antibiotic which is broadly used in solid tumors. Long-term therapy with this drug is accompanied by potentially lethal, dose-dependent side effects. Several reports suggest that oxygen free radicals produced during the metabolic activation of dox may have toxic effects on heart m...

journal_title：Cancer letters

authors： Kozluca O,Olcay E,Sürücü S,Güran Z,Kulaksiz T,Uskent N

更新日期：1996-01-19 00:00:00

abstract：:The heterogeneous nuclear ribonucleoprotein K (hnRNP K) is a nucleic acid-binding protein that serves as a docking platform integrating transduction pathways to nucleic acid -directed processes. Recently, this protein has emerged as an important player in carcinogenesis process. HnRNP K is overexpressed in several hum...

journal_title：Cancer letters

authors： Barboro P,Ferrari N,Balbi C

更新日期：2014-10-01 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：PURPOSE:According to the CAO-/ARO-/AIO-94 trial of the German Rectal Cancer Study Group, pre-operative 5-fluorouracil (5-FU)-based long-term chemoradiotherapy (CT/RT) is recommended for patients with rectal cancer UICC stage II/III. However, despite the local benefit of neoadjuvant treatment, the overall prognostic val...

journal_title：Cancer letters

authors： Stoehlmacher J,Goekkurt E,Mogck U,Aust DE,Kramer M,Baretton GB,Liersch T,Ehninger G,Jakob C

更新日期：2008-12-18 00:00:00

abstract：:Antimutagenic activity of copper chlorophyllin against various carcinogenic mutagens was assayed with Drosophila genotoxicity tests, i.e., the wing spot test for detecting somatic cell mutations and the DNA repair test for detecting DNA damage. In these tests, Drosophila larvae were fed carcinogens together with chlor...

journal_title：Cancer letters

authors： Negishi T,Nakano H,Kitamura A,Itome C,Shiotani T,Hayatsu H

更新日期：1994-08-15 00:00:00

abstract：:The gut microbiota forms a symbiotic relationship with the host and benefits the body in many critical aspects of life. However, immune system defects, alterations in the gut microbiota and environmental changes can destroy this symbiotic relationship and may lead to diseases, including cancer. Due to the anatomic and...

journal_title：Cancer letters

authors： Zhou A,Tang L,Zeng S,Lei Y,Yang S,Tang B

更新日期：2020-04-01 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：:Bile acids are promoters of colon cancer; however, the mechanism(s) of action of this tumor promoter are largely unknown. Bile acids induce apoptosis in colon epithelial cells and it is probable that the modulation of apoptosis contributes, in part, to colon carcinogenesis. We tested the hypothesis that damage to mito...

journal_title：Cancer letters

authors： Washo-Stultz D,Crowley-Weber CL,Dvorakova K,Bernstein C,Bernstein H,Kunke K,Waltmire CN,Garewal H,Payne CM

更新日期：2002-03-28 00:00:00

abstract：:The exact role of mast cells in tumor growth is not clear and multifaceted. In some cases, mast cells stimulate while in others inhibit this process. This dual role may be explained to some extent by the huge number of bioactive molecules stored in mast cell granules, as well as differences between tumor microenvironm...

journal_title：Cancer letters

authors： Ribatti D,Tamma R,Crivellato E

更新日期：2018-10-01 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：:VEGF receptor blockage has been reported to increase serum VEGF. We hypothesized that mTOR inhibition by everolimus counteracts VEGF induction by sunitinib resulting in an improved anti-tumor activity of sunitinib. In vitro, sunitinib in combination with everolimus did not outperform the respective monotherapies. In v...

journal_title：Cancer letters

authors： Fuereder T,Jaeger-Lansky A,Hoeflmayer D,Preusser M,Strommer S,Cejka D,Koehrer S,Crevenna R,Wacheck V

更新日期：2010-10-28 00:00:00

abstract：:Recent studies in several tumor models indicated that treatment with angiogenic inhibitors may trigger induction of metastasis to other organs. Here we investigated modes of resistance and invasion in several tumor cell lines including 4T1 (breast), H460 (lung) and Colo205 (colorectal) using sunitinib at doses compara...

journal_title：Cancer letters

authors： Shojaei F,Simmons BH,Lee JH,Lappin PB,Christensen JG

更新日期：2012-07-01 00:00:00

abstract：:Eight chlorinated ethanes and 3 chlorinated ethylenes were tested in the BALB/c-3T3 cell transformation assay. Under the conditions of the assay, vinyl chloride and 1,1,1-trichloroethane induced a clear positive transformation response while 1,1,2-trichloroethane and trichloroethylene were weakly positive. Chloroethan...

journal_title：Cancer letters

authors： Tu AS,Murray TA,Hatch KM,Sivak A,Milman HA

更新日期：1985-08-01 00:00:00

abstract：:Our earlier studies have shown that simultaneous inhibition of glycolysis and pentose phosphate pathway using 2-deoxy-d-glucose (2-DG, an inhibitor of glycolysis) and 6-aminonicotinamide (6-AN, an inhibitor of pentose phosphate pathway) lead to metabolic oxidative stress (MOS), resulting in radiosensitization in malig...

journal_title：Cancer letters

authors： Sharma PK,Bhardwaj R,Dwarakanath BS,Varshney R

更新日期：2010-09-28 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is heterogeneous, rendering its current curative treatments ineffective. The emergence of single-cell genomics represents a powerful strategy in delineating the complex molecular landscapes of cancers. In this study, we demonstrated the feasibility and merit of using single-cell RNA sequ...

journal_title：Cancer letters

authors： Ho DW,Tsui YM,Sze KM,Chan LK,Cheung TT,Lee E,Sham PC,Tsui SK,Lee TK,Ng IO

更新日期：2019-09-10 00:00:00