Activation of lymphocytes of normal and tumor bearing mice by mangiferin, a naturally occurring glucosylxanthone.

abstract：:The fruiting body of Antrodia camphorata is well known in Taiwan as a traditional medicine for treating cancer and inflammation. The purpose of this study was to evaluate the apoptotic effects of ethylacetate extract from A. camphorata (EAC) fruiting bodies in two human liver cancer cell lines, Hep G2 and PLC/PRF/5. T...

journal_title：Cancer letters

authors： Hsu YL,Kuo YC,Kuo PL,Ng LT,Kuo YH,Lin CC

更新日期：2005-04-18 00:00:00

abstract：:We have investigated the effects of interferon-alpha (IFN-alpha) and 5-fluorouracil (5-FU) on meningioma cells in two different culture systems, evaluated by the uptake of radiolabelled methionine. With both IFN-alpha and 5-FU an inhibitory effect on the uptake of radiolabelled methionine by the meningioma cells was d...

journal_title：Cancer letters

authors： Zhang ZJ,Wang JL,Muhr C,Smits A

更新日期：1996-02-27 00:00:00

abstract：:Inflammasomes are large multimolecular complexes present in the cytosol of stimulated immune cells; they mediate the activation of caspase-1, leading to cellular pyroptosis. So far, a variety of studies on inflammasomes have emerged, and the best-studied is the NLRP3 inflammasome that is involved in many inflammatory ...

journal_title：Cancer letters

authors： Jiang D,Chen S,Sun R,Zhang X,Wang D

更新日期：2018-04-10 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：:The effect of methoxsalen, the inhibitor of the hepatic mixed function oxidase, on the expression of liver cytochrome P450s was examined in rats. Administration of methoxsalen to rats significantly increased the hepatic content of P450 and activities of microsomal ethoxyresorufin O-deethylase (EROD), methoxyresorufin ...

journal_title：Cancer letters

authors： Gwang JH

更新日期：1996-12-03 00:00:00

abstract：:Tumor cells need to attain anoikis resistance to survive prior to metastasis making it a vital trait of malignancy. The molecular mechanism by which hepatocellular carcinoma (HCC) cells resist anoikis remains not fully understood. Here, we report that ZNF32 expression is markedly upregulated in HCC cells upon detachme...

journal_title：Cancer letters

authors： Li K,Zhao G,Ao J,Gong D,Zhang J,Chen Y,Li J,Huang L,Xiang R,Hu J,Lin P,Wei Y

更新日期：2019-02-01 00:00:00

abstract：:The past two decades have seen a dramatic change in cancer treatment paradigms. Anticancer agents are no longer being developed based on empiricism and serendipity, but are now being aimed to inhibit a validated target that is relatively specific for tumours rather than normal cells. The vast majority of cancers arise...

journal_title：Cancer letters

authors： Burger AM

更新日期：2007-01-08 00:00:00

abstract：:The renal handling of cisplatin was investigated in Sprague-Dawley rats in the presence and absence of probenecid and N'-methylnicotinamide. The renal clearance of free cisplatin was not significantly different from the glomerular filtration rate. N'-Methylnicotinamide, an organic cation, did not affect cisplatin clea...

journal_title：Cancer letters

authors： Osman NM,Litterst CL

更新日期：1983-05-01 00:00:00

abstract：:Oesophageal cancer is associated with high morbidity and mortality rates because it is highly invasive and prone to recurrence and metastasis, with a five-year survival rate of <20%. Therefore, there is an urgent need for new methods aimed at improving therapeutic intervention. Several studies have shown that targeted...

journal_title：Cancer letters

authors： Zhang Y,Liu S,Zhou S,Yu D,Gu J,Qin Q,Cheng Y,Sun X

更新日期：2021-01-01 00:00:00

abstract：:We aimed to clarify the clinical significance of des-gamma-carboxy prothrombin (DCP) levels in both hepatocellular carcinoma (HCC) and liver tissues with a special reference to the relationship between DCP level in non-cancerous parts of the liver and the multicentric occurrence of HCC. Twenty-eight patients with HCC,...

journal_title：Cancer letters

authors： Shimada M,Yamashita Y,Hamatsu T,Hasegawa H,Utsunomiya T,Aishima S,Sugimachi K

更新日期：2000-10-16 00:00:00

abstract：:The phenomenon of cellular dormancy has been observed in normal adult stem cells in many different tissues such as the skin, the intestine and the hematopoietic system. These dormant cells have been proposed to be important for life-long self-renewal and for the generation of the different cellular lineages. As tumor ...

journal_title：Cancer letters

authors： Schillert A,Trumpp A,Sprick MR

更新日期：2013-11-28 00:00:00

abstract：:Medulloblastoma (MB) is the most frequent malignant brain tumour in children with a poor outcome. Divided into four molecular subgroups, MB of the Sonic hedgehog (SHH) subgroup accounts for approximately 25% of the cases and is driven by mutations within components of the SHH pathway, such as its receptors PTCH1 or SM...

journal_title：Cancer letters

authors： Niesen J,Ohli J,Sedlacik J,Dührsen L,Hellwig M,Spohn M,Holsten T,Schüller U

更新日期：2020-05-01 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：:Gelatinases play important roles in tumor progression and are abundantly expressed in a variety of malignant tumors. Antibody targeting gelatinases is a possible avenue to fight against cancer. However, antibody alone can not achieve curative efficacy. Herein, we demonstrated the intensified targeting therapy of a tan...

journal_title：Cancer letters

authors： Zhong G,Zhang S,Li Y,Liu X,Gao R,Miao Q,Zhen Y

更新日期：2010-09-01 00:00:00

abstract：:Fibronectin (FN), a heterodimeric glycoprotein overexpressed in several types of tumors, has been implicated in cancer progression via the activation of integrin-mediated pro-oncogenic pathways. The FN level in human bile fluid is dramatically increased in malignant biliary diseases; however, FN expression and its bio...

journal_title：Cancer letters

authors： Cao Y,Liu X,Lu W,Chen Y,Wu X,Li M,Wang XA,Zhang F,Jiang L,Zhang Y,Hu Y,Xiang S,Shu Y,Bao R,Li H,Wu W,Weng H,Yen Y,Liu Y

更新日期：2015-05-01 00:00:00

abstract：:The aim of this study was to clarify candidate peptides for peptide-based specific immunotherapy of patients with oral squamous cell carcinoma (SCC). Thirteen peptides were examined for in vitro induction of peptide-specific CD8(+) T lymphocyte (CD8(+)TL) activity in peripheral blood mononuclear cells from 35 patients...

journal_title：Cancer letters

authors： Toyoshima T,Kumamaru W,Hayashida JN,Moriyama M,Kitamura R,Tanaka H,Yamada A,Itoh K,Nakamura S

更新日期：2012-09-01 00:00:00

abstract：:Herpes simplex virus was grown in different lines of human tumor and normal cells. The progeny virus was assayed for resistance to iododeoxycytidine, an indicator of a forward mutation in the virus genome. Virus grown in cells from 4 of 5 tumor lines demonstrated greater fractions mutated to iododeoxycytidine resistan...

journal_title：Cancer letters

authors： Bockstahler LE,Lytle CD,Lubiniecki AS,Cantwell JM,Galleshaw JA

更新日期：1982-11-01 00:00:00

abstract：:Elevated cyclooxygenase-2 (COX-2) expression has been observed in various types of cancer. Induction of COX-2 expression has been reported to increase invasiveness and angiogenesis of tumours. While COX-2 overexpression has been repeatedly proven to promote tumor growth, little is known about what initiates its induct...

journal_title：Cancer letters

authors： Cressey R,Pimpa S,Tontrong W,Watananupong O,Leartprasertsuke N

更新日期：2006-02-28 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：:Modifying effects of 5-hydroxy-4-(2-phenyl-(E)-ethenyl)-2(5H)-furanone, a novel synthesized retinoid (KYN-54), on intestinal carcinogenesis were examined in a rat model using azoxymethane (AOM). A total of ninety male F344 rats, 6 weeks old, were divided into 4 groups. Group 1 (20 rats) was fed a diet containing KYN-5...

journal_title：Cancer letters

authors： Mori H,Yoshimi N,Sugie S,Tanaka T,Morishita Y,Jinlong G,Tamai Y,Torihara M,Yamahara J

更新日期：1992-09-30 00:00:00

abstract：:Telomeres constitute the ends of the linear eukaryotic chromosomes and are essential for the maintenance of chromosome stability and genome integrity. One of the consequences of an altered telomere structure is the formation of telomeric fusions (TFs), that is aberrant chromosomes in which two elements are fused at th...

journal_title：Cancer letters

authors： Rebuzzini P,Lisa A,Giulotto E,Mondello C

更新日期：2004-01-08 00:00:00

abstract：:We measured colonic effluent samples from 10 patients with colorectal cancer, 13 with adenomatous polyps, 14 with normal colons and compared them to 10 patients with inflammatory bowel disease by measuring this CA19-9 content. Results showed considerable overlap between the different pathologic categories, making diff...

journal_title：Cancer letters

authors： Tobi M,Steinberg W,Henry J,Nochomovitz L

更新日期：1991-10-01 00:00:00

abstract：:Non-small cell lung cancer (NSCLC) patients with activating EGFR mutations are often successfully treated with EGFR tyrosine kinase inhibitor (TKI) such as erlotinib; however, treatment resistance inevitably occurs. Given tumor metabolism of glucose and therapeutic response are intimately linked, we explored the metab...

journal_title：Cancer letters

authors： Chiang CT,Demetriou AN,Ung N,Choudhury N,Ghaffarian K,Ruderman DL,Mumenthaler SM

更新日期：2018-10-10 00:00:00

abstract：:The (32)P-postlabelling method for the analysis of carcinogen-DNA adducts originated 30years ago from Baylor College of Medicine in Houston and was the work of a team comprised of Kurt and Erica Randerath, Ramesh Gupta and Vijay Reddy. With subsequent modifications and developments, it has become a highly sensitive an...

journal_title：Cancer letters

authors： Phillips DH

更新日期：2013-06-28 00:00:00

abstract：:Anthocyanins belong to the flavonoid family and are ubiquitous in plants, especially in flower petals and fruit peels. We established that anthocyanins isolated from fruits of Aronia melanocarpa markedly inhibited the mutagenic activity of benzo(a)pyrene and 2-amino fluorene in the Ames test. In the Sister Chromatid E...

journal_title：Cancer letters

authors： Gasiorowski K,Szyba K,Brokos B,Kołaczyńska B,Jankowiak-Włodarczyk M,Oszmiański J

更新日期：1997-10-28 00:00:00

abstract：:5-fluorouracil (5-FU) is widely used in chemotherapy for colorectal cancer (CRC), but a high rate of chemoresistance reduces its effectiveness in clinical treatment. We found remarkably decreased expression of forkhead box 3 (FoxO3) protein, a tumor inhibitor, in 5-FU-resistant SW620 and HCT-8 (SW620/5-FU and HCT-8/5-...

journal_title：Cancer letters

authors： Liu C,Zhao Y,Wang J,Yang Y,Zhang Y,Qu X,Peng S,Yao Z,Zhao S,He B,Mi Q,Zhu Y,Liu X,Zou J,Zhang X,Du Q

更新日期：2020-02-01 00:00:00

abstract：:Dietary retinyl palmitate was administered for 22-30 weeks in CD-1 mice which had been initiated with 0.15 mumol of 7,12-dimethylbenz[a]anthracene (DMBA) and promoted with 8 nmol of 12-O-tetradecanoylphorbol-13-acetate (TPA) twice weekly thereafter. This treatment resulted in a dose response in both the tumoricidal ca...

journal_title：Cancer letters

authors： Watson RR,Moriguchi S,Gensler HL

更新日期：1987-08-01 00:00:00

abstract：:Telomerase, a critical enzyme responsible for continuous cell growth, is repressed in most somatic cells except proliferating progenitor cells and activated lymphocytes, and activated in approximately 85% of human cancer tissues. Telomerase activity is a useful cancer-cell detecting marker in some types of cancers in ...

journal_title：Cancer letters

authors： Hiyama E,Hiyama K

更新日期：2003-05-15 00:00:00

abstract：:The pulmonary tumorigenicity of dimethylarsinic acid (DMAA), a main metabolite of inorganic arsenics, was examined in A/J mice fed with drinking water containing DMAA for 25 and 50 weeks. Mice fed with 400 ppm DMAA for 50 weeks produced more pulmonary tumors than untreated mice (mean number per animal 1.36 versus 0.50...

journal_title：Cancer letters

authors： Hayashi H,Kanisawa M,Yamanaka K,Ito T,Udaka N,Ohji H,Okudela K,Okada S,Kitamura H

更新日期：1998-03-13 00:00:00

abstract：:Previous studies point to protein kinase C (PKC) isozyme eta as a resistance factor in cancer cells. Therefore, we investigated whether down-regulation of PKCeta with second generation antisense oligonucleotides (ODNs) would sensitise A549 human lung carcinoma cells to cytostatics. The effects were compared to the out...

journal_title：Cancer letters

authors： Sonnemann J,Gekeler V,Ahlbrecht K,Brischwein K,Liu C,Bader P,Müller C,Niethammer D,Beck JF

更新日期：2004-06-25 00:00:00