Qualitative and quantitative separation of a series of phorbol-ester tumor promoters by high-pressure liquid chromatography.

abstract：:The formation of nitroso compounds and mutagens from 5 nitrogen-containing drugs (cinnarizine, ethambutol, piromidic acid, pyridinol carbamate and tiaramide) by drug/nitrite interaction was examined. On the reaction of 50 micrometers drug and 500 micrometers nitrite at pH 3.0--3.4 and 37 degrees C for 4 h, the conside...

journal_title：Cancer letters

authors： Takeda Y,Kanaya H

更新日期：1982-01-01 00:00:00

abstract：:Sperm protein 17 (Sp17) is a highly antigenic, testes-specific protein whose known function is to bind sperm to the zona pellucida. However, the Sp17 gene has been recently detected in normal non-testes tissues and malignant neoplasias. As the role of Sp17 in non-testes tissues is unknown, the characterization of the ...

journal_title：Cancer letters

authors： De Jong A,Buchli R,Robbins D

更新日期：2002-12-05 00:00:00

abstract：:Rectal biopsies and fecal collections were obtained from a consecutive series of 34 outpatients prior to colonoscopy at a gastroenterology clinic. Subsequently, 14 were found to have no colonic pathology, 13 had adenomatous polyps, (3 of those had a previous history of colon cancer) and 7 were diagnosed with colon can...

journal_title：Cancer letters

authors： Stadler J,Yeung KS,Furrer R,Marcon N,Himal HS,Bruce WR

更新日期：1988-01-01 00:00:00

abstract：:The p53 tumor suppressor gene is often mutated in various human cancers. Recently, the p53 codon 72 polymorphism has been extensively studied to determine the risk factors responsible for cancer formation. We investigated the genotype distribution of the p53 codon 72 polymorphism in 112 male urothelial cancer cases an...

journal_title：Cancer letters

authors： Kuroda Y,Tsukino H,Nakao H,Imai H,Katoh T

更新日期：2003-01-10 00:00:00

abstract：:The tumor microenvironment (TME) of lung cancer has been documented to play an important role in participating in tumor disease progression. As the precursor of most stroma in TME, mesenchymal stem cells (MSCs) draw great attention since evidence has suggested that MSCs derived from lung cancer patients present a diff...

journal_title：Cancer letters

authors： Liu R,Wei S,Chen J,Xu S

更新日期：2014-10-28 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：:Co-transfer of immunomodulatory and antiproliferative genes may be the basis for new strategies to potentiate tumor regression. In this study, we evaluated the in vitro effect of the introduction of human wild-type p53, granulocyte-macrophage colony-stimulating factor (GM-CSF), and B7-1 genes via recombinant adenoviru...

journal_title：Cancer letters

authors： Qiu ZH,Wu CT,Lao MF,Pan LZ,Li YM

更新日期：2002-08-28 00:00:00

abstract：:Effect of CF(3)-STLC, a potent kinesin spindle protein (KSP) inhibitor, on K562 human CML cell line was investigated. Treatment with CF(3)-STLC induced mitotic arrest of the cell cycle with the appearance of characteristic monoastral spindles, subsequent apoptotic cell death and cleavage of PARP-1, caspase-3, and 4E-B...

journal_title：Cancer letters

authors： Shimizu M,Ishii H,Ogo N,Unno Y,Matsuno K,Sawada J,Akiyama Y,Asai A

更新日期：2010-12-01 00:00:00

abstract：:We have investigated the structure of the carbohydrate moiety of the precursors of the cathepsin B-like proteinase (PCBt). The largest precursor has an apparent molecular size (Mr) of 45-47 Kd and it contains 3 N-linked oligosaccharide chains which were Endo beta N acetylglucosaminidase H (Endo H)-resistant forms. On ...

journal_title：Cancer letters

authors： Pagano M,Dalet-Fumeron V,Engler R

更新日期：1989-04-01 00:00:00

abstract：:Bone metastasis is an important cause of morbidity in advanced prostate cancer. Bisphosphonates are widely used for the treatment and prevention of osteoporosis, but recently have been observed to be effective in controlling prostate cancer metastasis. Since aminopeptidase N (AP-N) is known to be involved in the metas...

journal_title：Cancer letters

authors： Iguchi K,Nakano T,Usui S,Hirano K

更新日期：2006-06-18 00:00:00

abstract：:The lack of effective anti-tumor therapy for renal cell carcinoma (RCC) has stimulated the search for novel target whose inhibition could block tumorigenesis. Recently, reduced DLC-1 has been shown to be associated with aggressive and highly metastatic renal cell carcinoma. In this study, the biological role of DLC-1 ...

journal_title：Cancer letters

authors： Zhang T,Zheng J,Jiang N,Wang G,Shi Q,Liu C,Lu Y

更新日期：2009-09-28 00:00:00

abstract：:H. pylori infection causes gastritis, peptic ulcers and gastric cancer. Eradicating H. pylori prevents ulcers, but to what extent this prevents cancer remains unknown, especially if given after intestinal metaplasia has developed. H. pylori infected wild-type (WT) mice do not develop cancer, but mice lacking the tumor...

journal_title：Cancer letters

authors： Zhang S,Lee DS,Morrissey R,Aponte-Pieras JR,Rogers AB,Moss SF

更新日期：2015-04-10 00:00:00

abstract：:Serum beta-glucuronidase activity is shown to differ quantitatively in the following strains of mice, listed in order of increasing activity: C3H, C57BL/6 less than BALB/c, DBA/2, ICR less than SENCAR, A/He. The level of the enzyme in the murine strains is shown to correlate with the urinary excretion of 17-ketosteroi...

journal_title：Cancer letters

authors： Walaszek Z,Hanausek-Walaszek M,Webb TE

更新日期：1986-10-01 00:00:00

abstract：:Emerging evidence indicates that cancer stem cells (CSCs) are involved in tumorigenesis, tumor recurrence, and therapeutic resistance in hepatocellular carcinoma (HCC). However, the mechanisms underlying HCC CSC regulation remain largely unknown. Here we report our analysis of 97 paraffin-embedded HCC tumor specimens....

journal_title：Cancer letters

authors： Fan Z,Duan J,Wang L,Xiao S,Li L,Yan X,Yao W,Wu L,Zhang S,Zhang Y,Li Y,Zhu X,Hu Y,Zhang D,Jiao S,Xu X

更新日期：2019-05-28 00:00:00

abstract：:MICAL2 is a tumor-promoting factor involved in cell migration, invasion, deformation, and proliferation not yet fully explored in lung adenocarcinoma (LUAD). This study demonstrated that MICAL2 was overexpressed and cytoplasm-enriched in LUAD tissues. Moreover, high cytoplasmic MICAL2 and/or total MICAL2 expression le...

journal_title：Cancer letters

authors： Zhou W,Liu Y,Gao Y,Cheng Y,Chang R,Li X,Zhou Y,Wang S,Liang L,Duan C,Zhang C

更新日期：2020-07-28 00:00:00

abstract：:We have demonstrated previously that a phosphorothioate antisense oligonucleotide to the p65 subunit of the inducible transcription factor NF-kappaB produced rapid changes in the expression of leukocyte integrin CD11b (Mo 1) and in the adhesion of dimethylsulfoxide (DMSO)-differentiated HL-60 cells stimulated by 12-O-...

journal_title：Cancer letters

authors： Sokoloski JA,Narayanan R,Sartorelli AC

更新日期：1998-03-13 00:00:00

abstract：:Triple negative breast cancer (TNBC) typically exhibits rapid progression, high mortality and faster relapse rates relative to other breast cancer subtypes. In this report we examine the combination of taxanes (paclitaxel or docetaxel) with a breast cancer stem cell (CSC)-targeting agent sulforaphane for use against T...

journal_title：Cancer letters

authors： Burnett JP,Lim G,Li Y,Shah RB,Lim R,Paholak HJ,McDermott SP,Sun L,Tsume Y,Bai S,Wicha MS,Sun D,Zhang T

更新日期：2017-05-28 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：:Peroxiredoxin 2 (Prdx2) has been shown to act as an antioxidant whose main function is to reduce hydrogen peroxide (H2O2) in cells, and Prdx2 is abnormally elevated in colorectal cancer (CRC). However, the functional significance of this up-regulation and the detailed molecular mechanism behind the regulatory effect o...

journal_title：Cancer letters

authors： Lu W,Fu Z,Wang H,Feng J,Wei J,Guo J

更新日期：2014-02-28 00:00:00

abstract：:Glioblastoma multiforme (GBM), a malignant brain tumor, is the deadliest form of human cancer with low survival rates because of its highly invasive nature. In recent years, there has been a growing appreciation for the role that glioblastoma stem cells (GSCs) play during tumorigenesis and tumor recurrence of GBM. GSC...

journal_title：Cancer letters

authors： Nakod PS,Kim Y,Rao SS

更新日期：2018-08-10 00:00:00

abstract：:Prolonged exposure to elevated levels of estrogen is a risk factor for breast cancer. Though increased cell growth and loss of DNA repair capacity is one of the proposed mechanisms for estrogen-induced cancers, the mechanism through which estrogen induces cell growth and decreases DNA repair capacity is not clear. DNA...

journal_title：Cancer letters

authors： Singh KP,Treas J,Tyagi T,Gao W

更新日期：2012-03-01 00:00:00

abstract：:Human epidermal growth factor receptor 2 (HER2) is an attractive target for cancer vaccine. However, autoimmune tolerance prevents vaccines based on HER2 protein from inducing long-lasting, highly effective anti-tumor immunity. In this study, we proved that the introduction of p-nitrophenylalanine in the universal T c...

journal_title：Cancer letters

authors： Tian H,He Y,Song X,Jiang L,Luo J,Xu Y,Zhang W,Gao X,Yao W

更新日期：2018-08-28 00:00:00

abstract：:The environmental mutagens, 1-nitropyrene, 1,3-dinitropyrene, 1,6-dinitropyrene and 1,8-dinitropyrene were evaluated for their ability to initiate skin tumors in male and female SENCAR mice. 1-Nitropyrene (greater than 99.5% purity) did not induce papilloma formation over a dose range of 0-3.0 mg/mouse after 30 weeks ...

journal_title：Cancer letters

authors： Nesnow S,Triplett LL,Slaga TJ

更新日期：1984-05-01 00:00:00

abstract：:Protein kinase C epsilon (PKCε), a member of the novel PKC family, is known to be a transforming oncogene and tumor biomarker for many human solid cancers including renal cell carcinoma (RCC). We isolated side population (SP) cells from the RCC 769P cell line, and proved that those cells possess cancer stem cell (CSC)...

journal_title：Cancer letters

authors： Huang B,Fu SJ,Fan WZ,Wang ZH,Chen ZB,Guo SJ,Chen JX,Qiu SP

更新日期：2016-06-28 00:00:00

abstract：:We previously reported that β6 integrin played an important role in the progression of colon cancer. In this study, we demonstrated that β6 integrin induced the expression of MMP-3/MMP-9 and the invasion of colon cancer cells. Moreover, that function was abolished by the inhibition of ERK/MAPK pathways or knockdown of...

journal_title：Cancer letters

authors： Gao H,Peng C,Liang B,Shahbaz M,Liu S,Wang B,Sun Q,Niu Z,Niu W,Liu E,Wang J,Lin P,Wang J,Niu J

更新日期：2014-11-28 00:00:00

abstract：:Tumor tissues are chronically exposed to hypoxia owing to aberrant vascularity. Hypoxia induces metabolic alterations in cancer, thereby promoting aggressive malignancy and metastasis. While previous efforts largely focused on adaptive responses in glucose and glutamine metabolism, recent studies have begun to yield i...

journal_title：Cancer letters

authors： Povero D,Johnson SM,Liu J

更新日期：2020-11-28 00:00:00

abstract：:We describe the events triggered by a sub-lethal concentration of airborne particulate matter (PM(10)) in A549 cells, which include the formation DNA double-strand breaks, gammaH2A.X generation, and 53BP1 recruitment. To protect the genome, cells activated ATM/ATR/Chk1/Chk2/p53 pathway but, after 48 h, cells turned in...

journal_title：Cancer letters

authors： Sánchez-Pérez Y,Chirino YI,Osornio-Vargas ÁR,Morales-Bárcenas R,Gutiérrez-Ruíz C,Vázquez-López I,García-Cuellar CM

更新日期：2009-06-18 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：:The underlying molecular mechanism of lung cancer drug resistance is poorly understood. The mediator of endoplasmic reticulum stress CHOP (DNA damage inducible transcript 3) promotes stress-induced apoptosis and appears to function as a transcription factor in multiple diseases. However, its potential contributions to...

journal_title：Cancer letters

authors： Tan W,Liao Y,Qiu Y,Liu H,Tan D,Wu T,Tang M,Zhang S,Wang H

更新日期：2018-08-01 00:00:00

abstract：:Efficacy of a safe and clinically utilized polyethylene glycol formulation (PEG-3350) to suppress intestinal tumors was investigated in the Apc(min) mouse-model of experimental carcinogenesis. Furthermore, based on our previous finding on the induction of apoptosis in HT-29 cells by PEG, we evaluated its ability to st...

journal_title：Cancer letters

authors： Roy HK,Gulizia J,DiBaise JK,Karolski WJ,Ansari S,Madugula M,Hart J,Bissonnette M,Wali RK

更新日期：2004-11-08 00:00:00