Celastraceae sesquiterpenes as a new class of modulators that bind specifically to human P-glycoprotein and reverse cellular multidrug resistance.

abstract：:S-2-(3-Aminopropylamino)ethylphosphorothioic acid (WR-2721) was shown to provide marked protection against development of radiation-induced leg contractures in C3Hf/Kam mice whose legs were exposed to single doses of gamma-radiation. The radiation doses ranged from 3300 to 6200 rads delivered to the right hind thighs ...

journal_title：Cancer research

authors： Hunter N,Milas L

更新日期：1983-04-01 00:00:00

abstract：:Human breast carcinoma MCF-7/AdrVp cells display a novel multidrug resistance phenotype that is characterized by the overexpression of a 95-kDa membrane glycoprotein (p95) and by marked reduction in intracellular anthracycline accumulation, without overexpression of P-glycoprotein or the multidrug resistance protein M...

journal_title：Cancer research

authors： Ross DD,Gao Y,Yang W,Leszyk J,Shively J,Doyle LA

更新日期：1997-12-15 00:00:00

abstract：:Enhanced activation of Akt occurs in Cowden's disease, an inherited syndrome of follicular thyroid, breast, colon, and skin tumors, via inactivation of its regulatory protein, PTEN. Whereas PTEN inactivation is uncommon in sporadic thyroid cancer, activation of growth factor pathways that signal through Akt is frequen...

journal_title：Cancer research

authors： Ringel MD,Hayre N,Saito J,Saunier B,Schuppert F,Burch H,Bernet V,Burman KD,Kohn LD,Saji M

更新日期：2001-08-15 00:00:00

abstract：:In the present study, we report the characterization of the p53 tumor suppressor pathway in the 60 cell lines of the National Cancer Institute (NCI) anticancer drug screen, as well as correlations between the integrity of this pathway and the growth-inhibitory potency of 123 anticancer agents in this screen. Assessmen...

journal_title：Cancer research

authors： O'Connor PM,Jackman J,Bae I,Myers TG,Fan S,Mutoh M,Scudiero DA,Monks A,Sausville EA,Weinstein JN,Friend S,Fornace AJ Jr,Kohn KW

更新日期：1997-10-01 00:00:00

abstract：:The enormous scope of natural human genetic variation is now becoming defined. To accurately annotate these variants, and to identify those with clinical importance, is often difficult to assess through functional assays. We explored systematic annotation by using homologous recombination to modify a native gene in he...

journal_title：Cancer research

authors： Hucl T,Rago C,Gallmeier E,Brody JR,Gorospe M,Kern SE

更新日期：2008-07-01 00:00:00

abstract：:Previous studies with Adriamycin-sensitive and -resistant (ADRR) MCF-7 human breast tumor cell lines indicated that Adriamycin formed significantly less hydroxyl radical (.OH) as the result of enhanced detoxification of reactive oxygen intermediates in the ADRR cell line. In order to further define the sites of drug a...

journal_title：Cancer research

authors： Sinha BK,Mimnaugh EG,Rajagopalan S,Myers CE

更新日期：1989-07-15 00:00:00

abstract：:The mammary carcinoma cell line MFM-223 is characterized by high androgen and low estrogen and progesterone receptor levels. With the dextran charcoal method, androgen binding was determined at 160 fmol/mg protein corresponding to approximately 100,000 binding sites per cell in whole cell binding assays. The estrogen ...

journal_title：Cancer research

authors： Hackenberg R,Lüttchens S,Hofmann J,Kunzmann R,Hölzel F,Schulz KD

更新日期：1991-10-15 00:00:00

abstract：:We tested the ability of a serum-free medium containing insulin, transferrin, 17 beta-estradiol, dexamethasone, triiodothyronine, prostaglandin F2 alpha, and fibronectin (HBCA medium) to support the continuous growth and passage of five human breast carcinoma cell lines on a collagen matrix. Doubling times of the cell...

journal_title：Cancer research

authors： Calvo F,Brower M,Carney DN

更新日期：1984-10-01 00:00:00

abstract：:Lung cancer is the leading cause of cancer death globally. An improved risk stratification strategy can increase efficiency of low-dose computed tomography (LDCT) screening. Here we assessed whether individual's genetic background has clinical utility for risk stratification in the context of LDCT screening. Based on ...

journal_title：Cancer research

authors： Hung RJ,Warkentin MT,Brhane Y,Chatterjee N,Christiani DC,Landi MT,Caporaso NE,Liu G,Johansson M,Albanes D,Le Marchand L,Tardon A,Rennert G,Bojesen SE,Chen C,Field JK,Kiemeney LA,Lazarus P,Zienolddiny S,Lam S,Andre

更新日期：2021-01-20 00:00:00

abstract：:Nitric oxide (NO) in nanomolar (nmol/L) concentrations is consistently detected in tumor microenvironment and has been found to promote tumorigenesis. The mechanism by which NO enhances tumor progression is largely unknown. In this study, we investigated the possible mechanisms and identified cellular targets by which...

journal_title：Cancer research

authors： Pervin S,Singh R,Hernandez E,Wu G,Chaudhuri G

更新日期：2007-01-01 00:00:00

abstract：:A new approach to selective photodynamic therapy (PDT) was developed by designing chlorin e6 (Ce6)-containing macromolecules, which are sensitive to tumor-associated proteases. The agents are nontoxic in their native state but become fluorescent and produce singlet oxygen on protease conversion. Coupled with optimized...

journal_title：Cancer research

authors： Choi Y,Weissleder R,Tung CH

更新日期：2006-07-15 00:00:00

abstract：:Recent three genome-wide association studies have mapped a lung cancer susceptibility locus to chromosome 15q25 in Caucasians. However, the reported risk single nucleotide polymorphisms (SNPs) are extremely rare in Asians, arguing against any of these being causative variants. This study sought to identify other varia...

journal_title：Cancer research

authors： Wu C,Hu Z,Yu D,Huang L,Jin G,Liang J,Guo H,Tan W,Zhang M,Qian J,Lu D,Wu T,Lin D,Shen H

更新日期：2009-06-15 00:00:00

abstract：:Alterations of the distal portion of the short arm of chromosome 1 (1p) are among the earliest abnormalities of human colorectal tumors. Loss of heterozygosity analysis has previously revealed a smallest region of overlapping deletion (SRO) B, at 1p35-36.1, deleted in 48% of sporadic tumors. From this region we have n...

journal_title：Cancer research

authors： Praml C,Savelyeva L,Perri P,Schwab M

更新日期：1998-11-15 00:00:00

abstract：:Two recent studies independently identified polymorphisms in the 8q24 region, including a single nucleotide polymorphism (rs1447295), strongly associated with prostate cancer risk. Here, we replicate the overall association in a large nested case-control study from the National Cancer Institute Breast and Prostate Can...

journal_title：Cancer research

authors： Schumacher FR,Feigelson HS,Cox DG,Haiman CA,Albanes D,Buring J,Calle EE,Chanock SJ,Colditz GA,Diver WR,Dunning AM,Freedman ML,Gaziano JM,Giovannucci E,Hankinson SE,Hayes RB,Henderson BE,Hoover RN,Kaaks R,Key T,Kol

更新日期：2007-04-01 00:00:00

abstract：:The effect of caffeine on the expression of murine endogenous virus in mouse cells induced by radiation and chemicals was studied. Postirradiation treatment of K-BALB cells with caffeine enhanced cell killing as well as the induction of xenotropic virus after ultraviolet light irradiation. The degree of enhancement fo...

journal_title：Cancer research

authors： Niwa O,Sugahara T

更新日期：1981-08-01 00:00:00

abstract：:Many vaccines are dependent on adjuvants to augment the immunizing process. The vaccines being developed for active specific immunotherapy of cancer have also usually included an adjuvant in the clinical studies. Several cytokines have been identified which are participants in the immune response to new antigenic stim...

journal_title：Cancer research

authors： McCune CS,Marquis DM

更新日期：1990-02-15 00:00:00

abstract：:Insulin receptor (IR) exists as two isoforms resulting from the alternative splicing of IR pre-mRNA. IR-B promotes the metabolic effects of insulin, whereas IR-A rather signals proliferative effects. IR-B is predominantly expressed in the adult liver. Here, we show that the alternative splicing of IR pre-mRNA is dysre...

journal_title：Cancer research

authors： Chettouh H,Fartoux L,Aoudjehane L,Wendum D,Clapéron A,Chrétien Y,Rey C,Scatton O,Soubrane O,Conti F,Praz F,Housset C,Rosmorduc O,Desbois-Mouthon C

更新日期：2013-07-01 00:00:00

abstract：:Telomerase is essential for immortalization of most human cancer cells. Expression of the core telomerase RNA (hTR) and reverse transcriptase (hTERT) subunits is mainly regulated by transcription. However, hTR transcriptional regulation remains poorly understood. We previously showed that the core hTR promoter is acti...

journal_title：Cancer research

authors： Bilsland AE,Stevenson K,Atkinson S,Kolch W,Keith WN

更新日期：2006-02-01 00:00:00

abstract：:Perineural invasion is a common feature of pancreatic ductal adenocarcinoma (PDAC). Here, we investigated the effect of perineural invasion on the microenvironment and how this affects PDAC progression. Transcriptome expression profiles of PDAC tissues with different perineural invasion status were compared, and the i...

journal_title：Cancer research

authors： Yang MW,Tao LY,Jiang YS,Yang JY,Huo YM,Liu DJ,Li J,Fu XL,He R,Lin C,Liu W,Zhang JF,Hua R,Li Q,Jiang SH,Hu LP,Tian GA,Zhang XX,Niu N,Lu P,Shi J,Xiao GG,Wang LW,Xue J,Zhang ZG,Sun YW

更新日期：2020-05-15 00:00:00

abstract：:Cells with a temperature-sensitive mutant of the v-abl oncoprotein (IC.DP) were treated with the anticancer drugs melphalan or hydroxyurea. At the restrictive temperature for v-ABL protein tyrosine kinase activity, drug-treated IC.DP cells died by apoptosis. In contrast, apoptotic cell death induced by either drug was...

journal_title：Cancer research

authors： Chapman RS,Whetton AD,Dive C

更新日期：1994-10-01 00:00:00

abstract：:Promotional properties of a high-fat diet in intestinal cancer were studied by feeding a 30% beef fat diet to 8 groups of rats (25 rats/group) for time periods varying from 1 to 21 weeks after 8 weekly s.c. injections of azoxymethane (AOM) (8 mg/ kg). Two other groups were fed the high-fat diet, one for 8 weeks prior ...

journal_title：Cancer research

authors： Bull AW,Soullier BK,Wilson PS,Hayden MT,Nigro ND

更新日期：1979-12-01 00:00:00

abstract：:Elevated levels of nitric oxide (NO) and reactive nitrogen species (RNS) may link inflammation to the initiation, promotion, and progression of cancer. Traditionally, this link has been thought to be mediated by the effects of NO/RNS in generating DNA damage. However, this damage also stimulates DNA repair responses w...

journal_title：Cancer research

authors： Yakovlev VA

更新日期：2013-01-15 00:00:00

abstract：:Nile blue derivatives have been shown to be potentially effective photosensitizers for photodynamic therapy of malignant tumors. Results of a previous study suggested that the high accumulation of these dyes in cells may be the result of dye aggregation, partition in membrane lipids, and/or sequestration in subcellula...

journal_title：Cancer research

authors： Lin CW,Shulok JR,Kirley SD,Cincotta L,Foley JW

更新日期：1991-05-15 00:00:00

abstract：:Thmidine (TdR) incorporation into DNA increased in the livers and spleens of rats bearing Yoshida sarcoma (solid type) or AH130 (solid type). TdR kinase and DNA polymerase activities increased in the serum, liver, and spleen of these rats, while thymidine monophosphate kinase activity increased appreciably only in the...

journal_title：Cancer research

authors： Shirasaka T,Fujii S

更新日期：1975-03-01 00:00:00

abstract：:As a specific competitive inhibitor of 5alpha-reductase, an intracellular enzyme that converts testosterone to dihydrotestosterone, finasteride is being extensively used for the treatment of benign prostatic hyperplasia and in experimental settings for prostate cancer. In this study, we showed that finasteride markedl...

journal_title：Cancer research

authors： Wang LG,Liu XM,Kreis W,Budman DR

更新日期：1997-02-15 00:00:00

abstract：:Cancer may arise from a cancer stem/progenitor cell that shares characteristics with its normal counterpart. We report the reconstitution of the original human prostate cancer specimen from epithelial cell lines (termed HPET for human prostate epithelial/hTERT) derived from this sample. These tumors can be described i...

journal_title：Cancer research

authors： Gu G,Yuan J,Wills M,Kasper S

更新日期：2007-05-15 00:00:00

abstract：:Little is known about the genetic changes underlying invasive tumor growth in bladder cancer. Because alterations that are linked to invasive tumor growth may be detectable in minimally invasive (stage pT1) but not in noninvasive (stage pTa) tumors, we searched for genetic differences between 28 pTa and 28 papillary p...

journal_title：Cancer research

authors： Richter J,Jiang F,Görög JP,Sartorius G,Egenter C,Gasser TC,Moch H,Mihatsch MJ,Sauter G

更新日期：1997-07-15 00:00:00

abstract：:Placenta growth factor (PlGF) is a mitogen for endothelial cells that can potentiate the growth and permeabilizing effects on endothelium of vascular endothelial growth factor. Here we report that hypoxia induces the expression of both PlGF mRNA and protein in immortalized/transformed mouse embryonic fibroblasts (mEFs...

journal_title：Cancer research

authors： Green CJ,Lichtlen P,Huynh NT,Yanovsky M,Laderoute KR,Schaffner W,Murphy BJ

更新日期：2001-03-15 00:00:00

abstract：:Aneuploidy is frequently detected in human cancers and is implicated in carcinogenesis. Pharmacologic targeting of aneuploidy is an attractive therapeutic strategy, as this would preferentially eliminate malignant over normal cells. We previously discovered that CDK2 inhibition causes lung cancer cells with more than ...

journal_title：Cancer research

authors： Hu S,Danilov AV,Godek K,Orr B,Tafe LJ,Rodriguez-Canales J,Behrens C,Mino B,Moran CA,Memoli VA,Mustachio LM,Galimberti F,Ravi S,DeCastro A,Lu Y,Sekula D,Andrew AS,Wistuba II,Freemantle S,Compton DA,Dmitrovsky E

更新日期：2015-05-15 00:00:00

abstract：:The evidence for tumor suppressor genes at 8p is well supported by many somatic deletion studies and genetic linkage studies. However, it remains a challenge to pinpoint the tumor suppressor genes at 8p primarily because the implicated regions are broad. In this study, we attempted to narrow down the implicated region...

journal_title：Cancer research

authors： Chang BL,Liu W,Sun J,Dimitrov L,Li T,Turner AR,Zheng SL,Isaacs WB,Xu J

更新日期：2007-05-01 00:00:00