Resistance to apoptosis in human cells conferred by telomerase function and telomere stability.

abstract：:Gliomas are common, aggressive central nervous system tumors with poor overall survival rates. Despite improvements in neurosurgery, chemotherapy, and radiotherapy, the outcomes of patients with malignant gliomas remain poor. Therefore, increased knowledge of the molecular mechanisms that regulate glioma progression i...

journal_title：Molecular carcinogenesis

authors： Zhou Y,Tan Z,Chen K,Wu W,Zhu J,Wu G,Cao L,Zhang X,Zeng X,Li J,Zhang W

更新日期：2018-09-01 00:00:00

abstract：:Cytokines are considered to play an important role in tumor pathogenesis and progression, and recent studies have demonstrated that a variety of forms, including interleukins (ILs) and transforming growth factor-beta(s) (TGF-beta(s)), may regulate tumors. In the present study, the expression of TGF-beta isoforms and I...

journal_title：Molecular carcinogenesis

authors： Honoki K,Tsujiuchi T,Sasaki Y,Tsutsumi M,Morishita T,Kido A,Miyauchi Y,Mii Y,Takakura Y,Konishi Y

更新日期：2002-02-01 00:00:00

abstract：:1-Hydroxyanthraquinone (1-HA), which is present in some herbs, and methylazoxymethanol (MAM) acetate, a metabolite of azoxymethane, show synergistic carcinogenicity in rat colon, and 1-HA induces ulcerative changes with simultaneous severe inflammation of the entire colon. In this study, mutations in Ki-ras (exons 1 a...

journal_title：Molecular carcinogenesis

authors： Suzui M,Yoshimi N,Ushijima T,Hirose Y,Makita H,Wang A,Kawamori T,Tanaka T,Mori H,Nagao M

更新日期：1995-04-01 00:00:00

abstract：:Previous studies have established the in vivo bioavailability and efficacious dosages of phenylbutyl isoselenocyanate (ISC-4), a selenium-substituted isothiocyanate, against mouse xenograft models of human melanoma and colorectal cancer. To explore its potential attributes against prostate cancer, we treated human LNC...

journal_title：Molecular carcinogenesis

authors： Wu W,Karelia D,Pramanik K,Amin SG,Sharma AK,Jiang C,Lu J

更新日期：2018-08-01 00:00:00

abstract：:To determine if hemizygous transgenic mice carrying the human c-Ha-ras gene (CB6F1-Tg Hras2 mice (Hras2 mice)) are susceptible to the carcinogenic potential of known murine carcinogens, male and female Hras2 mice and their non-transgenic CB6F1 littermates (non-Tg mice) were each given a single intraperitoneal injectio...

journal_title：Molecular carcinogenesis

authors： Mitsumori K,Wakana S,Yamamoto S,Kodama Y,Yasuhara K,Nomura T,Hayashi Y,Maronpot RR

更新日期：1997-11-01 00:00:00

abstract：:Ras-mediated transformation is associated with upregulation of cyclooxygenase-2 (COX-2), which in turn promotes prostaglandin E2 (PGE2) synthesis and secretion. Although recent studies have identified molecular mechanisms by which Ras mediates upregulation of COX-2, conflicting observations have been made. Furthermore...

journal_title：Molecular carcinogenesis

authors： Repasky GA,Zhou Y,Morita S,Der CJ

更新日期：2007-12-01 00:00:00

abstract：:The presence of RD(INK4/ARF) (RD) enhancer in the INK4-ARF locus provides a novel mechanism to simultaneously increase the transcription of p15(INK4b) (p15), p14ARF (p14), and p16(INK4a) (p16). While such upregulation can be repressed through interactions between RD and oncoproteins CDC6 and BMI1, little is known abou...

journal_title：Molecular carcinogenesis

authors： Poi MJ,Knobloch TJ,Sears MT,Warner BM,Uhrig LK,Weghorst CM,Li J

更新日期：2015-07-01 00:00:00

abstract：:In epithelial ovarian cancer, tumor grade is an independent prognosticator whose molecular determinants remain unknown. We investigated patterns of gene expression in well- and poorly differentiated serous papillary ovarian and peritoneal carcinomas with cDNA microarrays. A 6500-feature cDNA microarray was used for co...

journal_title：Molecular carcinogenesis

authors： Jazaeri AA,Lu K,Schmandt R,Harris CP,Rao PH,Sotiriou C,Chandramouli GV,Gershenson DM,Liu ET

更新日期：2003-02-01 00:00:00

abstract：:Oncoprotein p28(GANK), overexpressed in hepatocellular carcinomas (HCC), binds to RelA and retains NF-κB in the cytoplasm to suppress NF-κB transactivation. However, the mechanism has not yet been elucidated. In this study, we clarified the mechanism of NF-κB regulated by p28(GANK). p28(GANK) reduced TNF-α-induced nuc...

journal_title：Molecular carcinogenesis

authors： Ren YB,Luo T,Li J,Fu J,Wang Q,Cao GW,Chen Y,Wang HY

更新日期：2015-12-01 00:00:00

abstract：:Hypoxia is a critical event in solid tumor development, invasion, and metastasis. Cellular adaptation to hypoxic microenvironment is essential for tumor progression and is largely mediated by hypoxia-inducible factor-1α (HIF-1α) through coordinated regulation of hypoxia-responsive genes. In this study, we found that m...

journal_title：Molecular carcinogenesis

authors： Zhu S,Zhou Y,Wang L,Zhang J,Wu H,Xiong J,Zhang J,Tian Y,Wang C,Wu H

更新日期：2011-10-01 00:00:00

abstract：:Single nucleotide polymorphisms (SNPs) of matrix metalloproteinase3 (MMP3) promoter in the development and progression of gastric cancer of whole stomach has never been investigated in any population. We conducted a hospital-based case-control study to explore the MMP3 SNPs and their haplotypes with the risk of gastri...

journal_title：Molecular carcinogenesis

authors： Dey S,Stalin S,Gupta A,Saha D,Kesh K,Swarnakar S

更新日期：2012-10-01 00:00:00

abstract：:Sex-determining region Y box (SOXs) are expressed in various cells and control cell fate and differentiation in a multitude of physiologic processes. SOX6, a main representative of SOXs, is involved in the regulation of carcinogenesis in various human malignancies. However, the role of SOX6 in clear cell renal cell ca...

journal_title：Molecular carcinogenesis

authors： Chen L,Xie Y,Ma X,Zhang Y,Li X,Zhang F,Gao Y,Fan Y,Gu L,Wang L,Zhang X,Fu B

更新日期：2020-10-01 00:00:00

abstract：:Dietary prevention is a cost-efficient strategy to reduce the risk of human cancers. More than 85% breast cancers are sporadic and attributable to long-term exposure to environmental carcinogens through a multistep and multiyear disease process. We used our chronically induced cellular carcinogenesis model as a target...

journal_title：Molecular carcinogenesis

authors： Choudhary S,Sood S,Wang HC

更新日期：2014-03-01 00:00:00

abstract：:Cancer cells mainly rely on glycolysis for energetic needs, and mitochondrial ATP production is almost inactive. However, cancer cells require the integrity of mitochondrial functions for their survival, such as the maintenance of the internal membrane potential gradient (DeltaPsim). It thus may be predicted that Delt...

journal_title：Molecular carcinogenesis

authors： Loiseau D,Morvan D,Chevrollier A,Demidem A,Douay O,Reynier P,Stepien G

更新日期：2009-08-01 00:00:00

abstract：:Some of the progeny of isolated mouse embryo fibroblasts acquire the ability to grow indefinitely during cultivation, presumably through some mutational events. The relevance of p53 mutations and loss of heterozygosity to the mechanism of such immortal growth capability remains controversial. Since four bases in intro...

journal_title：Molecular carcinogenesis

authors： Tokumitsu M,Kadohama T,Ogawa K

更新日期：1994-05-01 00:00:00

abstract：:LEC (Long-Evans with a cinnamon-like coat color) rats develop hepatocellular carcinomas (HCCs) spontaneously. We examined mutations of codons 12, 13, and 61 of the Ha-ras, Ki-ras, and N-ras genes in four HCCs by the polymerase chain reaction (PCR)-single-stranded DNA direct sequencing method. No ras gene mutations wer...

journal_title：Molecular carcinogenesis

authors： Fujimoto Y,Ishizaka Y,Tahira T,Sone H,Takahashi H,Enomoto K,Mori M,Sugimura T,Nagao M

更新日期：1991-01-01 00:00:00

abstract：:Oxidative stress is known to play a key role in estrogen-induced breast cancer. This study assessed the chemopreventive activity of the naturally occurring γ-tocopherol-rich mixture of tocopherols (γ-TmT) in early stages of estrogen-induced mammary hyperplasia in ACI rats. ACI rats provide an established model of rode...

journal_title：Molecular carcinogenesis

authors： Das Gupta S,So JY,Wall B,Wahler J,Smolarek AK,Sae-Tan S,Soewono KY,Yu H,Lee MJ,Thomas PE,Yang CS,Suh N

更新日期：2015-09-01 00:00:00

abstract：:The prevalence of obesity, an established risk and progression factor for postmenopausal breast cancer, remains high in US women. Activation of Akt/mammalian target of rapamycin (mTOR) signaling plays a key role in the obesity-breast cancer link. However, the impact of weight normalization in obese postmenopausal wome...

journal_title：Molecular carcinogenesis

authors： De Angel RE,Conti CJ,Wheatley KE,Brenner AJ,Otto G,Degraffenried LA,Hursting SD

更新日期：2013-06-01 00:00:00

abstract：:Osteosarcoma is the primary human malignant tumor affecting bone. This cancer most frequently arises in children and adolescents, with a second peak in those over the age of 50. Currently, surgery followed by radiotherapy and chemotherapy are the main treatments, but long-term positive effects are very poor. Aurora B ...

journal_title：Molecular carcinogenesis

authors： Zhao Z,Jin G,Yao K,Liu K,Liu F,Chen H,Wang K,Gorja DR,Reddy K,Bode AM,Guo Z,Dong Z

更新日期：2019-06-01 00:00:00

abstract：:Tamoxifen (TAM) is widely used in the treatment and prevention of breast cancer. There is clear evidence that cytochrome P450 (CYP) 3A enzymes play an important role in TAM metabolism, resulting in metabolites that lead to formation of TAM-DNA adducts. We have investigated the effect of CYP3A2 antisense (AVI-4472) exp...

journal_title：Molecular carcinogenesis

authors： Mahadevan B,Arora V,Schild LJ,Keshava C,Cate ML,Iversen PL,Poirier MC,Weston A,Pereira C,Baird WM

更新日期：2006-02-01 00:00:00

abstract：:Quercetin, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), and okadaic acid are found in various foods and have been shown to have mutagenic or promoter-like activity. The effects of these three compounds on the transmission of the inactive X chromosome were examined in MST-C6 murine tumor cells, which were de...

journal_title：Molecular carcinogenesis

authors： Kuwabara K,Odani S,Takahashi Y,Arakawa M,Takagi N,Nagao M,Kominami R

更新日期：1995-12-01 00:00:00

abstract：:In this paper, patterns of allelic imbalances (Als) in chemically induced rat mammary, colon, and bladder tumors from (Wistar Furth x Fischer 344)F1 rats are described and compared. Male F1 rats were administered azoxymethane (AOM), and colon tumors were collected at 58 wk after treatment. Female F1 rats were given ei...

journal_title：Molecular carcinogenesis

authors： Haag JD,Brasic GM,Shepel LA,Newton MA,Grubbs CJ,Lubet RA,Kelloff GJ,Gould MN

更新日期：1999-01-01 00:00:00

abstract：:Arsenic is a known human carcinogen. However, the mechanism of how arsenic induces cell transformation remains unclear. In this study, we demonstrated that long-term exposure to sodium arsenite at low-dose (2 µM) increases cell proliferation and neoplastic transformation in a mouse epidermal cell model, JB6 promotion-...

journal_title：Molecular carcinogenesis

authors： Zhang Y,Wang Q,Guo X,Miller R,Guo Y,Yang HS

更新日期：2011-07-01 00:00:00

abstract：:Serially transplantable rat mammary tumor (RMT) cells are not dependent on exogenous epidermal growth factor (EGF) and insulin-like growth factor-I for continuous growth in serum-free medium. Previously, we found that conditioned medium obtained from these cells contained EGF-like mitogenic activity and stimulated tyr...

journal_title：Molecular carcinogenesis

authors： Ethier SP,Langton BC,Dilts CA

更新日期：1996-02-01 00:00:00

abstract：:Although many anti-VEGF agents are available for cancer treatment, side effects of these agents limit their application for cancer treatment and prevention. Here we studied the potential use of a diet-based agent as an inhibitor for VEGF production. Using a VEGF reporter assay, our data showed that an extract from cin...

journal_title：Molecular carcinogenesis

authors： Zhang K,Han ES,Dellinger TH,Lu J,Nam S,Anderson RA,Yim JH,Wen W

更新日期：2017-02-01 00:00:00

abstract：:Our previous study demonstrated that phosphatidylinositol 3-kinase (PI3K) is necessary for epidermal growth factor (EGF)-induced cell transformation in mouse epidermal JB6 cells. Akt and the mammalian target of rapamycin (mTOR) are regarded as PI3K downstream effectors. Therefore, in this study, we investigated the ro...

journal_title：Molecular carcinogenesis

authors： Nomura M,He Z,Koyama I,Ma WY,Miyamoto K,Dong Z

更新日期：2003-09-01 00:00:00

abstract：:Barrett's metaplasia consists of columnar epithelium that replaces the normal esophageal mucosa in patients with chronic gastroesophageal reflux. Because intestinal-type Barrett's metaplasia is the major risk factor for adenocarcinoma development, understanding the mechanisms that predispose the esophageal mucosa to m...

journal_title：Molecular carcinogenesis

authors： Compton KR,Orringer MB,Beer DG

更新日期：1999-02-01 00:00:00

abstract：:Alterations of the Rassf1a gene were investigated in pancreatic duct adenocarcinomas (PDAs) induced by N-nitrosobis(2-oxopropyl)amine (BOP) in hamsters. Female Syrian golden hamsters received 70 mg/kg BOP, followed by repeated exposures to an augmentation pressure regimen consisting of a choline-deficient diet combine...

journal_title：Molecular carcinogenesis

authors： Shimizu K,Itsuzaki Y,Fujii H,Honoki K,Tsujiuchi T

更新日期：2008-02-01 00:00:00

abstract：:Variations in oral bacterial communities have been linked to oral cancer suggesting that the oral microbiome is an etiological factor that can influence oral cancer development. The 4-nitroquinoline 1-oxide (4-NQO)-induced murine oral and esophageal cancer model is frequently used to assess the effects of preventive a...

journal_title：Molecular carcinogenesis

authors： Zhou YX,Fuentes-Creollo G,Ponce F,Langley SA,Jen KY,Celniker SE,Mao JH,Snijders AM

更新日期：2019-05-01 00:00:00

abstract：:We investigated the in vitro effects of pyrogallol on cell growth, cell cycle regulation, and apoptosis in HeLa cells. Pyrogallol inhibited the growth of HeLa cells with an IC(50) of approximately 45 microM. Pyrogallol induced arrest during all phases of the cell cycle and also very efficiently resulted in apoptosis i...

journal_title：Molecular carcinogenesis

authors： Kim SW,Han YW,Lee ST,Jeong HJ,Kim SH,Kim IH,Lee SO,Kim DG,Kim SH,Kim SZ,Park WH

更新日期：2008-02-01 00:00:00