Pik3ca mutations significantly enhance the growth of SHH medulloblastoma and lead to metastatic tumour growth in a novel mouse model.

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：:Resistance to chemotherapy is a challenging problem for treatment of cancer patients and autophagy has been shown to mediate development of resistance. In this study we systematically screened a library of 306 known anti-cancer drugs for their ability to induce autophagy using a cell-based assay. 114 of the drugs were...

journal_title：Cancer letters

authors： Dyczynski M,Yu Y,Otrocka M,Parpal S,Braga T,Henley AB,Zazzi H,Lerner M,Wennerberg K,Viklund J,Martinsson J,Grandér D,De Milito A,Pokrovskaja Tamm K

更新日期：2018-10-28 00:00:00

abstract：:Difluoro-phenyl-ethyl(4-aminopropylamidinohydrazone) (DFPA) was synthesized as an irreversible inhibitor of ornithine and S-adenosylmethionine decarboxylases and analyzed for antiproliferative effects on leukemia cells. The compound irreversibly inhibited ornithine and S-adenosylmethione decarboxylases. This inhibitio...

journal_title：Cancer letters

authors： Hibasami H,Sakurai M,Maekawa S,Murata T,Nakashima K

更新日期：1988-03-01 00:00:00

abstract：:Development of chemotherapy resistance remains a major obstacle for glioma management. Exosome-mediated transfer of circular RNAs (circRNAs) are being found to have relevance to many human cancers, including glioma. The purpose of this study is to explore the effect and underlying mechanism of exosomal circRNA nuclear...

journal_title：Cancer letters

authors： Ding C,Yi X,Wu X,Bu X,Wang D,Wu Z,Zhang G,Gu J,Kang D

更新日期：2020-06-01 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：:We generated three anti-ErbB-2 monoclonal antibodies (mAbs) by using surface-epitope masking method (SEM method). They were characterized and shown to recognize the extracellular domain (ECD) of ErbB-2 specifically. In order to detect ErbB-2 in the sera of breast cancer patients, we used two of them: A18 and A21 to de...

journal_title：Cancer letters

authors： Li P,Li Y,Li JY,Liu J

更新日期：2003-04-25 00:00:00

abstract：:Vemurafenib, a BRAF inhibitor, elicits in ∼80% of BRAFV600E-mutant melanoma patients a transient anti-tumor response which precedes the emergence of resistance. We tested whether an acidic tumor microenvironment may favor a BRAF inhibitor resistance. A375M6 BRAFV600E melanoma cells, either exposed for a short period o...

journal_title：Cancer letters

authors： Ruzzolini J,Peppicelli S,Andreucci E,Bianchini F,Margheri F,Laurenzana A,Fibbi G,Pimpinelli N,Calorini L

更新日期：2017-11-01 00:00:00

abstract：:Tumor-associated macrophages (TAMs) are important immunocytes associated with cancer metastasis. However, whether TAMs play a dominant role in mediating CXCL12/CXCR4-induced liver metastasis of colorectal cancer (CRC) remains unexplored. Herein, we found that CD206+ TAMs, which infiltrated at the invasive front, were ...

journal_title：Cancer letters

authors： Wang D,Wang X,Si M,Yang J,Sun S,Wu H,Cui S,Qu X,Yu X

更新日期：2020-04-01 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：:Populations consuming soybeans have reduced rates of breast, colon and prostate cancer possibly due, in part, to the presence in soybeans of two estrogenic isoflavones, genistein and daidzein. This study investigated the genotoxicity of these soya isoflavones and their interactions with 7,12-dimethylbenz[a]anthracene ...

journal_title：Cancer letters

authors： Giri AK,Lu LJ

更新日期：1995-08-16 00:00:00

abstract：:Pancreatic ductal adenocarcinoma (PDAC) is highly aggressive disease and current treatment regimens fail to effectively cure PDAC. Development of resistance to current therapy is one of the key reasons for this outcome. Nimbolide (NL), a triterpenoid obtained from Azadirachta indica, exhibits anticancer properties in ...

journal_title：Cancer letters

authors： Kumar S,Inigo JR,Kumar R,Chaudhary AK,O'Malley J,Balachandar S,Wang J,Attwood K,Yadav N,Hochwald S,Wang X,Chandra D

更新日期：2018-01-28 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：:Long non-coding RNAs (lncRNAs) play critical roles in multiple cellular processes in non-small cell lung cancer (NSCLC); however, the involvement of lncRNAs in the transforming growth factor-beta (TGFβ) signaling pathway, the critical tumor cell epithelial-mesenchymal transition (EMT) and metastasis pathway, remains p...

journal_title：Cancer letters

authors： Lu Z,Li Y,Che Y,Huang J,Sun S,Mao S,Lei Y,Li N,Sun N,He J

更新日期：2018-09-28 00:00:00

abstract：:Human microsomal epoxide hydrolase (mEH) catalyzes a key step in the biotransformation of benzo[a]pyrene that yields the highly mutagenic (+)-anti-7,8-diol-9,10 epoxide (BPDE). Two polymorphisms have been described in the coding region of the mEH gene (EPHX1) that produce two protein variants: 113Tyr-->113His (exon 3)...

journal_title：Cancer letters

authors： To-Figueras J,Gené M,Gómez-Catalán J,Piqué E,Borrego N,Corbella J

更新日期：2001-11-28 00:00:00

abstract：:Nasopharyngeal carcinoma (NPC) is one of the high population malignant tumors among Chinese in southern China and southeast Asia. Epstein-Barr virus (EBV) is a human B lymphotropic herpes virus which is known to be closely associated with NPC. EBV DNA polymerase is a key enzyme during EBV replication and is measured b...

journal_title：Cancer letters

authors： Lee MH,Chiou JF,Yen KY,Yang LL

更新日期：2000-06-30 00:00:00

abstract：:To identify novel anti-cancer agents, we created and screened a unique nutraceutical library for activity against acute myeloid leukemia (AML) cells. From this screen, we determined that glucopsychosine was selectively toxic toward AML cell lines and primary AML patient samples with no effect toward normal hematopoiet...

journal_title：Cancer letters

authors： Angka L,Lee EA,Rota SG,Hanlon T,Sukhai M,Minden M,McMillan EM,Quadrilatero J,Spagnuolo PA

更新日期：2014-06-28 00:00:00

abstract：:Somatic mutations and chromosome instability are hallmarks of genomic aberrations in cancer cells. Aneuploidies represent common manifestations of chromosome instability, which is frequently observed in human embryos and malignant solid tumors. Activation of human endogenous retroviruses (HERV)-derived loci is documen...

journal_title：Cancer letters

authors： Glinsky GV

更新日期：2016-10-10 00:00:00

abstract：:Control of E2F1 activity is restricted via its interactions with RB1 and HDAC1. However, the detailed regulatory mechanisms underlying the E2F1/HDAC1 complex remain elusive. Here, we report that Nemo-like kinase (NLK) boosts cell cycle progression, which facilitates tumor development by releasing the E2F1 protein from...

journal_title：Cancer letters

authors： Li SZ,Zeng F,Li J,Shu QP,Zhang HH,Xu J,Ren JW,Zhang XD,Song XM,Du RL

更新日期：2018-09-01 00:00:00

abstract：:Multidrug resistance (MDR) is a serious obstacle for cancer chemotherapy. The aim of this study was to reverse MDR of breast carcinoma cells specifically by degrading mdr1 mRNA with anti-mdr1 ribozyme. Our strategy was to limit the expression of ribozyme to only breast-derived cells, but not other type of cells. The r...

journal_title：Cancer letters

authors： Gao P,Zhou GY,Guo LL,Zhang QH,Zhen JH,Fang AJ,Lin XY

更新日期：2007-10-18 00:00:00

abstract：:N-α-Acetyltransferase 10 protein (Naa10p) mediates N-terminal acetylation of nascent proteins. Oncogenic or tumor suppressive roles of Naa10p were reported in cancers. Here, we report an oncogenic role of Naa10p in promoting metastasis of osteosarcomas. Higher NAA10 transcripts were observed in metastatic osteosarcoma...

journal_title：Cancer letters

authors： Chien MH,Lee WJ,Yang YC,Tan P,Pan KF,Liu YC,Tsai HC,Hsu CH,Wen YC,Hsiao M,Hua KT

更新日期：2018-10-01 00:00:00

abstract：:The addition of recombinant human interleukin-6 (rIL-6) to either soleus or extensor digitorum longus (EDL) muscle preparations did not affect the rate of protein breakdown as measured by the rate of tyrosine released to the medium. In addition, the presence of the cytokine did not influence either the rate of protein...

journal_title：Cancer letters

authors： García-Martínez C,López-Soriano FJ,Argilés JM

更新日期：1994-01-15 00:00:00

abstract：:We constructed the plasmid which can express human wild-type p53 cDNA and introduced it into the human osteosarcoma cell line SAOS-2 that lacks the chromosomal p53 gene. A cell clone stably expressing p53 protein was isolated and UV sensitivity and UV-induced mutation frequencies of the clone were examined. The UV sen...

journal_title：Cancer letters

authors： Yagi T,Mohri-Nakanishi K,Matsuda T,Yamagishi N,Miyakoshi J,Takebe H

更新日期：1998-01-16 00:00:00

abstract：:CD271, known as a neurotrophin receptor, is expressed in various cancers such as hypopharyngeal cancer (HPC) and melanoma. We recently reported that CD271 is a cancer-stem-cell biomarker of HPC, and that its expression is essential for cancer-cell proliferation and is correlated with a poor prognosis in this disease. ...

journal_title：Cancer letters

authors： Morita S,Mochizuki M,Wada K,Shibuya R,Nakamura M,Yamaguchi K,Yamazaki T,Imai T,Asada Y,Matsuura K,Sugamura K,Katori Y,Satoh K,Tamai K

更新日期：2019-10-01 00:00:00

abstract：:Pancreatic adenocarcinoma cells show characteristics of macrophages as phagocytosis and exocytosis. These phagocytic activities can be inhibited in macrophages by antirheumatic drugs, e.g. gold compounds and antimalarials. We have now tested the activity of auranofin and chloroquine to inhibit growth of a pancreatic t...

journal_title：Cancer letters

authors： Zeilhofer HU,Mollenhauer J,Brune K

更新日期：1989-01-01 00:00:00

abstract：:The objective of this work was to investigate the expression of glutathione S-transferase placental form (GST-P) in 9,10-dimethyl-1,2-benzanthracene (DMBA)-induced hamster buccal pouch carcinogenesis. Lesions were classified histopathologically into four categories, simple hyperplasia, papillary and nodular (PN) hyper...

journal_title：Cancer letters

authors： Iida K,Yamamoto M,Kato M,Yoshida K,Kurita K,Tatematsu M

更新日期：1999-01-29 00:00:00

abstract：:Bombesin-like peptides (BLP) and their receptors are widely distributed throughout the intestine and are potential mitogens for gastrointestinal cancers. In this study we characterized the proliferation induced by BLP in the human adenocarcinoma cell line HT-29. The number of HT-29 cells, partially serum deprived (1% ...

journal_title：Cancer letters

authors： Cassano G,Resta N,Gasparre G,Lippe C,Guanti G

更新日期：2001-10-30 00:00:00

abstract：:Nitric oxide synthase (NOS), an important bioregulator of a variety of biological processes, is overexpressed in colonic tumors of humans and rodents. In this study, effects of L-N(G)-nitroarginine methyl ester (L-NAME), a NOS inhibitor, on development of aberrant crypt foci (ACF) induced by azoxymethane (AOM) in F344...

journal_title：Cancer letters

authors： Kawamori T,Takahashi M,Watanabe K,Ohta T,Nakatsugi S,Sugimura T,Wakabayashi K

更新日期：2000-01-01 00:00:00

abstract：:Expression of the MUC2 gene is controlled by the methylation of CpG sites in the promoter region, but the detailed methylation status of this region has yet to be reported. We have mapped the complete methylation status of the MUC2 promoter from position -1989 to position +288 upstream, a region that contains 59 CpG s...

journal_title：Cancer letters

authors： Hamada T,Goto M,Tsutsumida H,Nomoto M,Higashi M,Sugai T,Nakamura S,Yonezawa S

更新日期：2005-09-28 00:00:00

abstract：:Helicobacter pylori (H. pylori) infection is considered a major risk factor for gastric cancer. CagA behaves as a major bacterial oncoprotein playing a key role in H. pylori-induced tumorigenesis. Cancer stem cells (CSCs) are believed to possess the ability to initiate tumorigenesis and promote progression. Although s...

journal_title：Cancer letters

authors： Yong X,Tang B,Xiao YF,Xie R,Qin Y,Luo G,Hu CJ,Dong H,Yang SM

更新日期：2016-05-01 00:00:00

abstract：:Diol-epoxide derivatives of polycyclic aromatic hydrocarbons are the ultimate carcinogenic forms of these compounds encountered in vivo. Using a novel electro-fluorescence apparatus, we report that, like the (+/-)-anti-diol-epoxide of benzo[a]pyrene (BP), the similar diol-epoxides of benzo[a]anthracene (BA) and 3-meth...

journal_title：Cancer letters

authors： Ridler P,Jennings B

更新日期：1984-02-01 00:00:00