Characterization of DNA-protein complexes induced in intact cells by the carcinogen chromate.

abstract：:Preventive measures against oral carcinogenesis are urgently warranted to lower the high morbidity and mortality associated with this malignancy worldwide. Here, we investigated the chemopreventive efficacy of grape seed extract (GSE) and resveratrol (Res) in 4-nitroquinoline-1-oxide (4NQO)-induced tongue tumorigenesi...

journal_title：Molecular carcinogenesis

authors： Shrotriya S,Tyagi A,Deep G,Orlicky DJ,Wisell J,Wang XJ,Sclafani RA,Agarwal R,Agarwal C

更新日期：2015-04-01 00:00:00

abstract：:Liver tumor initiating cells (TICs), a small subset cells in tumor bulk, are responsible for liver tumor initiation, metastasis, and relapse. However, the regulatory mechanism of liver TICs remains largely unknown. Here we found a long noncoding RNA lncAPC, locating near from APC locus, was highly expressed in liver c...

journal_title：Molecular carcinogenesis

authors： Fu X,Lin J,Qin F,Yang Z,Ding Y,Zhang Y,Han L,Zhu X,Zhang Q

更新日期：2018-03-01 00:00:00

abstract：:Non-alcoholic steatohepatitis (NASH) is becoming one of the major causes of hepatocellular carcinoma (HCC) in the United States and Western countries; however, the molecular mechanisms associated with NASH-related liver carcinogenesis are not well understood. In the present study, we investigated cancer-associated chr...

journal_title：Molecular carcinogenesis

authors： Dechassa ML,Tryndyak V,de Conti A,Xiao W,Beland FA,Pogribny IP

更新日期：2018-08-01 00:00:00

abstract：:Metformin, an oral biguanide for the treatment of type II diabetes, has been shown to have anticancer effects in ovarian cancer. Energy starvation induced by metformin causes endoplasmic reticulum stress-mediated unfolded protein response (UPR) and autophagy. UPR and autophagy act as a survival or death mechanism in c...

journal_title：Molecular carcinogenesis

authors： Moon HS,Kim B,Gwak H,Suh DH,Song YS

更新日期：2016-04-01 00:00:00

abstract：:Adenocarcinoma accounts for ∼40% of lung cancer, equating to ∼88 500 new patients in 2015, most of who will succumb to this disease, thus, the public health burden is evident. Unfortunately, few early biomarkers as well as effective therapies exist, hence the need for novel targets in lung cancer treatment. We previou...

journal_title：Molecular carcinogenesis

authors： Bauer AK,Velmurugan K,Xiong KN,Alexander CM,Xiong J,Brooks R

更新日期：2017-01-01 00:00:00

abstract：:Promoter hypermethylation is gaining strength as one of the main mechanisms through which tumor suppressor genes are silenced during tumor progression. Three tumor suppressor genes are frequently found methylated in their promoter, in concordance with absence of expression, RASSF1A, SLIT2, and WIF1. In addition, a pre...

journal_title：Molecular carcinogenesis

authors： Alvarez C,Tapia T,Cornejo V,Fernandez W,Muñoz A,Camus M,Alvarez M,Devoto L,Carvallo P

更新日期：2013-06-01 00:00:00

abstract：:To analyze the mechanism of neoplastic transformation of rodent diploid cells by ras and myc oncogenes, human EJ c-Ha-ras and mouse c-myc second and third exons promoted by SV40 promoter were connected to pSV2neo and pSV2gpt, respectively. Mouse and rat primary fetal cells cotransfected with both genes formed transfor...

journal_title：Molecular carcinogenesis

authors： Yagi T,Sasayama S,Sasai H,Kakunaga T

更新日期：1989-01-01 00:00:00

abstract：:Tumor-associated stromal cells are dynamic characters that endorse the carcinogenic process in a multitude of ways. The tumor microenvironment plays a crucial role throughout the tumor progression, which includes initiation, growth, invasion, and metastasis. The tumor microenvironment consists of cellular and non-cell...

journal_title：Molecular carcinogenesis

authors： Spaw M,Anant S,Thomas SM

更新日期：2017-04-01 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：:Mutational activation of RAS proteins occurs in nearly 30% of all human tumors. To date direct pharmacological inhibition of RAS oncoproteins has not been possible. As a consequence, current strategies are focusing on the development of inhibitors that target those kinases acting downstream of RAS proteins, including ...

journal_title：Molecular carcinogenesis

authors： Urosevic J,Sum EY,Moneo V,Drosten M,Dhawahir A,Becerra M,Carnero A,Barbacid M

更新日期：2009-11-01 00:00:00

abstract：:Osteosarcoma (OS) is the most frequent primary bone tumor that affect children and adolescents. This tumor is highly aggressive with high risk of metastasis and the implementation of new drugs has not been successful. The search for biomarkers or new therapeutic targets is urgently needed and can help in advances of O...

journal_title：Molecular carcinogenesis

authors： Lopes LJS,Tesser-Gamba F,Petrilli AS,de Seixas Alves MT,Garcia-Filho RJ,Toledo SRC

更新日期：2017-06-01 00:00:00

abstract：:Mutations in the Ki-ras oncogene and the p53 tumor suppressor gene are known to occur at high frequencies in human colon cancers. We measured the frequency of mutations in these two genes in colon adenocarcinomas obtained from a widely used experimental model of human colon carcinogenesis: F344 rats treated with the c...

journal_title：Molecular carcinogenesis

authors： Erdman SH,Wu HD,Hixson LJ,Ahnen DJ,Gerner EW

更新日期：1997-06-01 00:00:00

abstract：:Matrix metalloproteinases (MMPs) are elevated in patients with squamous cell carcinoma (SCC) over either the head and neck (HNSCC) or the esophagus (ESCC). Synchronous SCC with both HNSCC and ESCC predispose to worse survival. This study tested if serum MMP levels correlate with clinical features and predict survival ...

journal_title：Molecular carcinogenesis

authors： Wang WL,Chang WL,Yeh YC,Lee CT,Chang CY,Lin JT,Sheu BS

更新日期：2013-06-01 00:00:00

abstract：:We previously reported that two dietary regimens, calorie restriction (CR) and a high olive oil-containing diet supplemented with a freeze-dried fruit and vegetable extract (OFV), reduced the development of intestinal adenomas in Apc(Min) mice by 57% and 33%, respectively, compared to control mice fed a defined diet a...

journal_title：Molecular carcinogenesis

authors： Mai V,Colbert LH,Perkins SN,Schatzkin A,Hursting SD

更新日期：2007-01-01 00:00:00

abstract：:Transforming growth factor-beta (TGF-beta) is a growth modulator that inhibits the proliferation of many epithelial cells through interaction with its receptors, the type I and type II receptors (TGF-beta RI and RII) by activating their serine/threonine kinase activities. Loss of growth inhibition by TGF-beta is thoug...

journal_title：Molecular carcinogenesis

authors： Jakowlew SB,Moody TW,You L,Mariano JM

更新日期：1998-05-01 00:00:00

abstract：:Cyclooxygenase-2 (COX-2) is one of the isoforms of cyclooxygenase, a rate-limiting enzyme in the arachidonic acid cascade. COX-2 protein expression is highly induced by numerous factors and it has been reportedly overexpressed in various human malignancies. Although anti-tumorigenic effects of COX-2 inhibitors have be...

journal_title：Molecular carcinogenesis

authors： Kim J,Shim M

更新日期：2016-12-01 00:00:00

abstract：:The levels of the antioxidant enzyme manganese superoxide dismutase (Mn-SOD) are frequently decreased in tumor cells and increased in normal cells upon treatment with ionizing radiation. We studied Mn-SOD at different stages during the neoplastic conversion of radiation-initiated Syrian hamster embryo HDR-3 cells. Mn-...

journal_title：Molecular carcinogenesis

authors： Otero G,Avila MA,Emfietzoglou D,Clerch LB,Massaro D,Notario V

更新日期：1996-12-01 00:00:00

abstract：:N-nitrosomethylbenzylamine (NMBA)-induced rat esophageal tumorigenesis is an important model for squamous cell carcinoma of the human esophagus. In this model, previous studies have shown that the GGA-->GAA Ha-ras codon 12 mutation is present in the majority of papillomas. No other Ha-ras mutation has been identified....

journal_title：Molecular carcinogenesis

authors： Liston BW,Gupta A,Nines R,Carlton PS,Kresty LA,Harris GK,Stoner GD

更新日期：2001-09-01 00:00:00

abstract：:Sel-1-like (SEL1L) is a putative tumor suppressor gene that is significantly downregulated in human pancreatic ductal adenocarcinoma (PDA). The mechanism of the downregulation is unclear. Here, we investigated whether aberrantly upregulated microRNAs (miRNAs) repressed the expression of SEL1L. From reported miRNA micr...

journal_title：Molecular carcinogenesis

authors： Liu Q,Chen J,Wang J,Amos C,Killary AM,Sen S,Wei C,Frazier ML

更新日期：2014-09-01 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：:Xiphophorus fish have been the subject of intensive genetic research for more than 60 yr, primarily because of the availability of a number of interspecific hybrids that are malignant melanoma models with apparently simple oncogene and tumor suppressor gene determinants. The gene map of Xiphophorus is one of the most ...

journal_title：Molecular carcinogenesis

authors： Morizot DC,McEntire BB,Della Coletta L,Kazianis S,Schartl M,Nairn RS

更新日期：1998-07-01 00:00:00

abstract：:The molecular pathogenesis of papillary thyroid carcinoma (PTC) is largely attributed to chromosomal rearrangements and point mutations in genes within the MAPK pathway (i.e., BRAF and RAS). Despite KRAS being the 6th most frequently mutated gene for all cancers, the reported frequency in thyroid cancer is only 2%. Th...

journal_title：Molecular carcinogenesis

authors： Myers MB,McKim KL,Parsons BL

更新日期：2014-02-01 00:00:00

abstract：:Gallbladder carcinoma (GBC) is a highly malignant neoplasm and represents the leading cause of cancer death in Chilean women. In order to determine the potential role of promoter methylation in gallbladder carcinogenesis, we investigated the frequency of this epigenetic mechanism by methylation-specific polymerase cha...

journal_title：Molecular carcinogenesis

authors： García P,Manterola C,Araya JC,Villaseca M,Guzmán P,Sanhueza A,Thomas M,Alvarez H,Roa JC

更新日期：2009-01-01 00:00:00

abstract：:Tobacco smoking represents an important known cause of ductal pancreatic adenocarcinoma. Recent data from pooled analyses in consortia involving multiple case-control and cohort studies suggest that heavy (but not moderate or light) alcohol consumption also may increase pancreatic cancer risk. Animal and human evidenc...

journal_title：Molecular carcinogenesis

authors： Duell EJ

更新日期：2012-01-01 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

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：:Transformation of cloned rat embryo fibroblast (CREF) cells with the wild-type 5 adenovirus (wtAd5) transforming genes E1A and E1B (which extend from 0 to 11.2 map units) results in morphologically transformed cells that exhibit an increased saturation density in monolayer culture and display an anchorage-independent ...

journal_title：Molecular carcinogenesis

authors： Boylan JF,Shih TY,Fisher PB,Zimmer SG

更新日期：1992-01-01 00:00:00

abstract：:In rats, gamma-glutamyl transpeptidase (gamma GT) exists as a single-copy gene, and three distinct species of RNA (types I, II, and III) that differ in their 5' untranslated regions have been identified. To compare steady-state levels of these gamma GT RNAs in rat tissues, hepatic carcinomas, and cultured cells, we us...

journal_title：Molecular carcinogenesis

authors： Habib GM,Rajagopalan S,Godwin AK,Lebovitz RM,Lieberman MW

更新日期：1992-01-01 00:00:00

abstract：:Multidrug resistance (MDR) is one of the most important factors leading to chemotherapeutic failure in patients with breast cancer. The invasive/metastatic ability of MDR cells is strengthened compared with their parental cells. However, the mechanisms underlying MDR have not been fully elucidated. We found that CD44 ...

journal_title：Molecular carcinogenesis

authors： Cheng Y,Tao L,Xu J,Li Q,Yu J,Jin Y,Chen Q,Xu Z,Zou Q,Liu X

更新日期：2014-09-01 00:00:00

abstract：:N-acetyltransferase 1 (NAT1) is a phase II metabolic enzyme responsible for the biotransformation of aromatic and heterocyclic amine carcinogens such as 4-aminobiphenyl (ABP). NAT1 catalyzes N-acetylation of arylamines as well as the O-acetylation of N-hydroxylated arylamines. O-acetylation leads to the formation of e...

journal_title：Molecular carcinogenesis

authors： Millner LM,Doll MA,Cai J,States JC,Hein DW

更新日期：2012-08-01 00:00:00