Two repeated low doses of doxorubicin are more effective than a single high dose against tumors overexpressing P-glycoprotein.

abstract：:The modulating effect of ethanol/acetone (E/A) soluble fractions, prepared from methanolic extracts of processed and unprocessed rooibos (Aspalathus linearis) and honeybush (Cyclopia intermedia) as well as green (Camellia sinensis) teas was established in a two-stage mouse skin carcinogenesis assay. Topical applicatio...

journal_title：Cancer letters

authors： Marnewick J,Joubert E,Joseph S,Swanevelder S,Swart P,Gelderblom W

更新日期：2005-06-28 00:00:00

abstract：:Brain metastasis is an important cause of morbidity and mortality in cancer-patients. Breast tumor cells frequently metastasize to brain and initiate severe therapeutic complications. In the present study, we evaluated the anti-metastatic effects of 2'-hydroxyflavanone (2HF) alone and in combination with RLIP targeted...

journal_title：Cancer letters

authors： Singhal J,Singhal P,Horne D,Salgia R,Awasthi S,Singhal SS

更新日期：2018-12-01 00:00:00

abstract：:The effect of a purified, high protein diet on enhanced gastric carcinogenesis induced by oral administration of NaCl was investigated in Wistar rats. Rats were fed on a purified diet with an equalized caloric content, containing 8% NaCl and 25% casein (normal protein diet), or 50% casein (high protein diet) after ora...

journal_title：Cancer letters

authors： Tatsuta M,Iishi H,Baba M,Uehara H,Nakaizumi A,Iseki K

更新日期：1997-06-24 00:00:00

abstract：:The p53 signaling pathway plays critical roles in determining the radio-sensitivity of normal tissues but is frequently inactivated in cancer. In various cancer cells, p53 has different effects on radio-sensitivity through complex mechanisms. Acetylation of p53 is an important means of post-translational modifications...

journal_title：Cancer letters

authors： Zhang J,Shen L,Sun LQ

更新日期：2015-07-28 00:00:00

abstract：:Changes in hepatic membrane binding capacity for epidermal growth factor (EGF) were assessed during 2-acetylaminofluorine (2-AAF)-induced hepatocarcinogenesis. An overall decrease in membrane EGF binding levels was observed throughout the period of 2-AAF administration. Immunochemical studies indicated the decreases i...

journal_title：Cancer letters

authors： DeCicco LA,Kong J,Ringer DP

更新日期：1997-01-01 00:00:00

abstract：:TGF-β signaling plays an important role in breast cancer progression and metastasis. Epithelial-mesenchymal transition (EMT) is an important step in the progression of solid tumors to metastatic disease. We previously reported that IN-1130, a novel transforming growth factor-β type I receptor kinase (ALK5) inhibitor, ...

journal_title：Cancer letters

authors： Park CY,Min KN,Son JY,Park SY,Nam JS,Kim DK,Sheen YY

更新日期：2014-08-28 00:00:00

abstract：:Cetuximab inhibits HIF-1-regulated glycolysis in cancer cells, thereby reversing the Warburg effect and leading to inhibition of cancer cell metabolism. AMP-activated protein kinase (AMPK) is activated after cetuximab treatment, and a sustained AMPK activity is a mechanism contributing to cetuximab resistance. Here, w...

journal_title：Cancer letters

authors： Luo J,Hong Y,Lu Y,Qiu S,Chaganty BK,Zhang L,Wang X,Li Q,Fan Z

更新日期：2017-01-01 00:00:00

abstract：:Expression of cyclooxygenase (COX)-2 protein in preneoplastic and neoplastic lung lesions induced by the administration of 2000 ppm of N-nitrosobis(2-hydroxypropyl)amine (BHP) in the drinking water to Wistar male rats, was examined immunohistochemically. The majority of alveolar/bronchiolar adenomas (ADs) and all aden...

journal_title：Cancer letters

authors： Kitayama W,Denda A,Yoshida J,Sasaki Y,Takahama M,Murakawa K,Tsujiuchi T,Tsutsumi M,Konishi Y

更新日期：2000-02-01 00:00:00

abstract：:Two-month-old outbred female LIO rats were exposed weekly to 15 (experiment I, groups 1, 2 and 3) or to 5 (experiment II, groups 4, 5 and 6) subcutaneous injections of 1,2-dimethylhydrazine (DMH) at a single dose of 21 mg/kg of body weight. From the day of the first injection of the carcinogen, the rats from groups 2,...

journal_title：Cancer letters

authors： Anisimov VN,Zabezhinski MA,Popovich IG,Berstein LM,Kovalenko IG,Lieberman AI,Shmidt JL

更新日期：1999-04-26 00:00:00

abstract：:Oxidative stress is implicated in the etiology of cancer, hence compounds that alleviate oxidative stress by inducing enzymes that defend against free radical damage might be useful as cancer chemopreventives. Glutathione S-transferase (GST) has been suggested to be a candidate for a critical enzyme in protecting cell...

journal_title：Cancer letters

authors： Fiander H,Schneider H

更新日期：2000-08-11 00:00:00

abstract：:AGR2 has evolutionarily conserved roles in development and tissue regeneration and is linked with several human cancers. The exact functions and regulation of AGR2 are poorly understood, but current data identify AGR2 as a clinically relevant factor that modulates the behavior and response of hormone-dependent cancers...

journal_title：Cancer letters

authors： Brychtova V,Vojtesek B,Hrstka R

更新日期：2011-05-01 00:00:00

abstract：:The occurrence and persistence of DNA fragmentation, as detected by the alkaline elution technique, have been studied in rats treated with single oral doses of the hepatocarcinogen 2-nitropropane (2-NP). A progressive increase of liver DNA fragmentation was observed at doses ranging from 0.5 to 8 mmol/kg; single stran...

journal_title：Cancer letters

authors： Robbiano L,Mattioli F,Brambilla G

更新日期：1991-04-01 00:00:00

abstract：:The identification of frameshift mutations in the coding region of the bax gene in Western cases of hereditary non-polyposis colorectal cancer provided evidence that the disease could be caused by the disruption of a tumor suppressor gene associated with microsatellite instability. In order to determine whether this o...

journal_title：Cancer letters

authors： Sakakibara T,Nakamura T,Yamamoto M,Matsuo M

更新日期：1998-02-27 00:00:00

abstract：:The traditional anti-angiogenic cancer therapy could trigger hypoxia induced factor (HIF) response, leading to "reactive resistance" to chemotherapy. Simultaneously inhibiting both angiogenesis and tumorigenesis would be ideal to overcome this limitation. MicroRNAs (miRNAs) are increasingly explored as new agents for ...

journal_title：Cancer letters

authors： Li Y,Cai B,Shen L,Dong Y,Lu Q,Sun S,Liu S,Ma S,Ma PX,Chen J

更新日期：2017-07-01 00:00:00

abstract：:Very few studies have been reported the function of wild type IDH1 in tumor progress. Previously, we reported that IDH1 correlated with pathological grade and metastatic potential inversely in human osteosarcoma. Here, IDH1 was found lower expressed in osteosarcoma tissues than that of adjacent normal bone tissues. In...

journal_title：Cancer letters

authors： Hu X,Liu Y,Qin C,Pan Z,Luo J,Yu A,Cheng Z

更新日期：2014-04-28 00:00:00

abstract：:The comparative effects of the subchronic administration to rats of ethionine-supplemented and of chemically defined methyl-deficient diets on the hepatic levels of S-adenosylmethionine (SAM) and of ornithine decarboxylase (ODC), an enzyme marker of cell proliferation, were studied. Both treatments led to decreased he...

journal_title：Cancer letters

authors： Mikol YB,Poirier LA

更新日期：1981-08-01 00:00:00

abstract：:Antibodies directed against the L1 cell adhesion protein inhibit growth of SKOV3ip human ovarian cancer cells in vitro and in vivo. Responses of SKOV3ip cells in vitro to anti-L1 mAb chCE7 and Genistein were investigated. Genistein potentiated the anti-proliferative and pro-apoptotic effects of chCE7 in SKOV3ip cells....

journal_title：Cancer letters

authors： Novak-Hofer I,Cohrs S,Grünberg J,Friedli A,Schlatter MC,Pfeifer M,Altevogt P,Schubiger PA

更新日期：2008-03-18 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is a highly lethal malignancy mostly because of de novo and acquired resistance to conventional chemotherapy. Constitutive activation of Akt and nuclear factor-κB (NF-κB) represent major cellular abnormalities associated with both the pathogenesis and therapeutic resistance of HCC. The a...

journal_title：Cancer letters

authors： Ma Y,Wang J,Liu L,Zhu H,Chen X,Pan S,Sun X,Jiang H

更新日期：2011-02-01 00:00:00

abstract：:Administration of raw soya containing a trypsin inhibitor stimulated excessive release of cholecystokinin (CCK) which led to pancreatic hypertrophy, hyperplasia and cancer in the rats (Booth et al. (1964) Proc. Soc. Exp. Biol. Med., 116, 1067). More postprandial CCK release in healthy humans was observed after ingesti...

journal_title：Cancer letters

authors： Lu LJ,Anderson KE,Gomez G,Nealon WH

更新日期：1995-04-14 00:00:00

abstract：:Caveolins, essential scaffold proteins of caveolae, have emerged as versatile molecules that can influence numerous signaling pathways and disease processes. This brief review is focused on the role of caveolins in the physiology and pathology of musculoskeletal system and will discuss the key features of caveolins as...

journal_title：Cancer letters

authors： Serra M,Scotlandi K

更新日期：2009-11-01 00:00:00

abstract：:To search for possible cancer chemopreventive agents from natural sources, we performed primary screening of ten flavanones isolated from plants belonging to Rutaceae and Leguminosae by examining their possible inhibitory effects on Epstein-Barr virus (EBV) early antigen activation induced by 12-O-tetradecanoylphorbol...

journal_title：Cancer letters

authors： Itoigawa M,Ito C,Ju-ichi M,Nobukuni T,Ichiishi E,Tokuda H,Nishino H,Furukawa H

更新日期：2002-02-08 00:00:00

abstract：:Cyclooxygenase-2 (COX-2) is a transcriptional target and downstream effector of the ErbB-1 (EGFR) and ErbB-2 signaling pathways. We found that anti-EGFR and anti-ErbB-2 antibodies inhibited ERK phosphorylation and downregulated COX-2 protein expression in HCA-7 human colon carcinoma cells. Both antibodies also augment...

journal_title：Cancer letters

authors： Half E,Sun Y,Sinicrope FA

更新日期：2007-06-28 00:00:00

abstract：:The in vitro induction of sister chromatid exchanges (SCEs) in Chinese hamster ovary (CHO) cells by the polycyclic hydrocarbons, 7,12-dimethylbena[a]anthracene and 3-methylcholanthrene and some of the related dihydrodiols was investigated. Increased numbers of SCEs were seen in the chromosomes of cells exposed to non-...

journal_title：Cancer letters

authors： Pal K,Grover PL,Sims P

更新日期：1979-06-01 00:00:00

abstract：:Upregulation of serine biosynthesis pathway activity is an increasingly apparent feature of many cancers. Most notably, the first rate-limiting enzyme of the pathway, phosphoglycerate dehydrogenase (PHGDH), is genomically amplified in some melanomas and breast cancers and can be transcriptionally regulated by various ...

journal_title：Cancer letters

authors： Li AM,Ye J

更新日期：2020-04-28 00:00:00

abstract：:Application of functional imaging to radiotherapy (RT) is a rapidly expanding field with the development of new modalities and techniques. Functional imaging of PET in conjunction with RT provides new avenues towards the clinical application of dose painting - a new RT strategy delivering optimized dose redistribution...

journal_title：Cancer letters

authors： Shi X,Meng X,Sun X,Xing L,Yu J

更新日期：2014-12-28 00:00:00

abstract：:Chromosomal assignment of human transcribed sequences has been done mainly by high throughput genome analysis in specialized genome centres and, in a more classical fashion, by fluorescence in-situ hybridization (FISH) analysis. Not every laboratory has the ability to map cDNAs by FISH analysis. We here report a rapid...

journal_title：Cancer letters

authors： Claas A,Savelyeva L,Pillmann A,Schwab M

更新日期：2001-01-10 00:00:00

abstract：:Homeobox genes, involved in embryonic development and tissues homeostasis in adults, are often deregulated in cancer, but their relevance in pathology is far from being fully elucidated. In colon cancers, we report that the homeoproteins HoxB7 and Cdx2 exhibit different heterogeneous patterns, Cdx2 being localized in ...

journal_title：Cancer letters

authors： Soret C,Martin E,Duluc I,Dantzer F,Vanier M,Gross I,Freund JN,Domon-Dell C

更新日期：2016-05-01 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：:Accumulating evidence suggested that the irreversible tyrosine kinase inhibitors (TKIs) have potential to override the acquired resistance to target-based therapies. Herein, we reported IC-4 as a novel irreversible TKI for epidermal growth factor receptor (EGFR). IC-4 potentially suppressed proliferation, induced apop...

journal_title：Cancer letters

authors： Li YB,Wang ZQ,Yan X,Chen MW,Bao JL,Wu GS,Ge ZM,Zhou DM,Wang YT,Li RT

更新日期：2013-10-28 00:00:00

abstract：:Synovial sarcoma is a relatively common soft tissue sarcoma with an aggressive clinical course. Although surgery is currently the first treatment modality, improvement of adjuvant chemotherapy is deemed essential to improve the clinical outcome. Nuclear factor-kappaB (NF-kappaB) is constitutively activated in various ...

journal_title：Cancer letters

authors： Horiuchi K,Morioka H,Nishimoto K,Suzuki Y,Susa M,Nakayama R,Kawai A,Sonobe H,Takaishi H,Ozaki T,Yabe H,Umezawa K,Toyama Y

更新日期：2008-12-18 00:00:00