abstract：:To investigate the mechanisms by which p53 suppresses cell transformation, we used the simian virus 40 (SV40) large T antigen (LTag), the adenovirus E1a proteins, and an activated ras protein (EJ-ras), to examine different pathways of transformation for their susceptibility to suppression by p53: While p53 can suppres...

journal_title：Oncogene

authors： Hansen R,Reddel R,Braithwaite A

更新日期：1995-12-21 00:00:00

abstract：:We previously showed that the proto-oncogene RON encodes the tyrosine kinase receptor for Macrophage Stimulating Protein (MSP), originally isolated as a chemotactic factor for peritoneal macrophages. To elucidate the biological role of MSP we studied the expression of the Ron receptor in vivo, and the response to the ...

journal_title：Oncogene

authors： Gaudino G,Avantaggiato V,Follenzi A,Acampora D,Simeone A,Comoglio PM

更新日期：1995-12-21 00:00:00

abstract：:Twenty five human glial tumours of different grades of malignancy were examined by Southern blotting and polymerase chain reaction (PCR) for alterations (rearrangements, amplification and deletions) in the c-myc gene. Number of c-myc positive cells per thousand cells were also counted in all the tumours after immunohi...

journal_title：Oncogene

authors： Chattopadhyay P,Banerjee M,Sarkar C,Mathur M,Mohapatra AK,Sinha S

更新日期：1995-12-21 00:00:00

abstract：:Ret is a receptor tyrosine kinase predominantly expressed in tissue derived from the neuroectoderm and is involved in multiple endocrine neoplasia type 2A and 2B, familiar medullary thyroid carcinoma, and Hirschsprung's disease. The ligand for the receptor is still unknown. Previously, using a human epidermal growth f...

journal_title：Oncogene

authors： van Weering DH,Medema JP,van Puijenbroek A,Burgering BM,Baas PD,Bos JL

更新日期：1995-12-07 00:00:00

abstract：:Simian virus 40 (SV40) is a small DNA tumor virus whose early region gene product, large T antigen, is sufficient to immortalize primary rodent cells and transform established rodent cell lines. Three functional domains of large T antigen are required for transformation of the rat embryo fibroblast REF 52 cell line: t...

journal_title：Oncogene

authors： Conzen SD,Cole CN

更新日期：1995-12-07 00:00:00

abstract：:Expression of polyomavirus middle-T antigen (middle-T) is involved in the formation of various tumors in vivo, e.g. hemangiomas and mammary gland tumors. Several genes have been shown to be activated in middle-T-expressing cells, but the underlying mechanisms have only been partially elucidated. Among the genes regula...

journal_title：Oncogene

authors： Besser D,Urich M,Sakaue M,Messerschmitt A,Ballmer-Hofer K,Nagamine Y

更新日期：1995-12-07 00:00:00

abstract：:We have previously shown (Smith et al., 1994) that antibodies raised against the growth arrest and DNA damage inducible protein Gadd45 co-precipitate proliferating cell nuclear antigen (PCNA), a protein involved in DNA replication and repair. Here we demonstrate that Gadd45 can directly bind to PCNA using a Far-wester...

journal_title：Oncogene

authors： Chen IT,Smith ML,O'Connor PM,Fornace AJ Jr

更新日期：1995-11-16 00:00:00

abstract：:P16 was originally discovered by its ability to interact with CDK4 and to specifically inhibit the catalytic activity of the CDK4/D1 kinase. Increased attention has focused on the p16 gene because of its location on chromosome 9p21, a region involved in chromosomal rearrangements in a large number of tumor types. The ...

journal_title：Oncogene

authors： Wick ST,Dubay MM,Imanil I,Brizuela L

更新日期：1995-11-16 00:00:00

abstract：:The MAP kinase pathway impinging on ERK2 has been shown to be integrally associated with mitogenic signalling in many cell types. Previously, we and others have demonstrated that oncogenic forms of Raf-1 kinase, when expressed in fibroblasts, lead to the constitutive activation of ERK2, the de-regulation of c-fos expr...

journal_title：Oncogene

authors： Kortenjann M,Shaw PE

更新日期：1995-11-16 00:00:00

abstract：:Complementary DNA (cDNA) encoding a novel member of the receptor tyrosine kinase (RTK) family has been isolated from colon carcinoma tissue. Colon carcinoma kinase 4 (CCK-4) mRNA is highly expressed in human lung tissue and at lower levels in the thyroid gland and ovary. While no mRNA was found in human adult colon ti...

journal_title：Oncogene

authors： Mossie K,Jallal B,Alves F,Sures I,Plowman GD,Ullrich A

更新日期：1995-11-16 00:00:00

abstract：:E mu-bcl-2 transgenic mice bearing the bcl-2 proto-oncogene linked to the immunoglobulin enhancer (E mu) sporadically develop B or T cell lymphomas after a long latent period. To identify genes that play important roles in development of lymphoid malignancies, proviral insertional mutagenesis with Moloney murine leuke...

journal_title：Oncogene

authors： Shinto Y,Morimoto M,Katsumata M,Uchida A,Aozasa K,Okamoto M,Kurosawa T,Ochi T,Greene MI,Tsujimoto Y

更新日期：1995-11-02 00:00:00

abstract：:Polyomavirus infection of adolescent athymic female mice causes a high incidence of mammary adenocarcinomas. We have examined the role of ovarian hormones, age and mammary gland developmental stage at infection on subsequent tumor induction, viral replication and gene expression. Ovariectomy (OVX) of adolescent mice 1...

journal_title：Oncogene

authors： Rondinelli RH,Haslam SZ,Fluck MM

更新日期：1995-11-02 00:00:00

abstract：:The p21WAF1/CIP1 protein was shown to be a critical downstream effector of p53 and a potent inhibitor of cyclin-dependent kinases. We investigated the effects of exogenous p21WAF1/CIP1 in two different human breast carcinoma (HBC) cell lines MCF-7 and T47D. p21WAF1/CIP1 transfected cells formed significantly reduced n...

journal_title：Oncogene

authors： Sheikh MS,Rochefort H,Garcia M

更新日期：1995-11-02 00:00:00

abstract：:The v-src gene of Rous sarcoma virus (RSV) encodes pp60v-src, a tyrosine kinase that can initiate cellular transformation. High levels of v-src gene expression can either be cytotoxic or the cause of altered expression of cellular genes. Examination of cytotoxic thresholds is difficult because cells expressing high le...

journal_title：Oncogene

authors： Wu LW,Hackett PB

更新日期：1995-10-19 00:00:00

abstract：:The cbl oncogene was first identified as part of a transforming retrovirus which arose in a mouse pre-B cell lymphoma. Its protein product, p120cbl, is cytoplasmic and has several distinctive domains including a highly basic region, a RING finger motif and a large proline-rich domain. A mutation to cbl in the 70Z/3 pr...

journal_title：Oncogene

authors： Bowtell DD,Langdon WY

更新日期：1995-10-19 00:00:00

abstract：:CD66a, also known as 'biliary glycoprotein (BGP)', is the human homologue of a cell adhesion molecule (CAM) of the rat (Cell-CAM). CD66a, which belongs to the carcinoembryonic antigen family and the immunoglobulin superfamily, is expressed in cells of myeloid and epithelial origin. The cytoplasmic domain of the major ...

journal_title：Oncogene

authors： Brümmer J,Neumaier M,Göpfert C,Wagener C

更新日期：1995-10-19 00:00:00

abstract：:There is now much evidence to suggest that the p53 tumour suppressor protein functions to monitor the integrity of the genome. When DNA damage is detected, p53 suppresses cell growth to allow repair or directs the cell into apoptosis. The mechanism of action of p53 is as yet unclear but recent evidence has accumulated...

journal_title：Oncogene

authors： Perrem K,Rayner J,Voss T,Sturzbecher H,Jackson P,Braithwaite A

更新日期：1995-10-05 00:00:00

abstract：:The HER-2/neu proto-oncogene is frequently amplified or overexpressed in many different types of human cancers, a phenomenon that has been shown to correlate with shorter survival time and lower survival rate in ovarian cancer patients. We previously reported that increased HER-2/neu expression led to more severe mali...

journal_title：Oncogene

authors： Yu D,Matin A,Xia W,Sorgi F,Huang L,Hung MC

更新日期：1995-10-05 00:00:00

abstract：:We have previously shown that exogenous wild type p53 induces apoptosis in the Burkitt lymphoma line BL41 that carries endogenous mutant p53, using a temperature sensitive p53 construct expressed as mutant p53 at 37 degrees C and wild type p53 at 32 degrees C (Ramqvist et al., Oncogene, 8, 1495-1500, 1993). We also fo...

journal_title：Oncogene

authors： Okan I,Wang Y,Chen F,Hu LF,Imreh S,Klein G,Wiman KG

更新日期：1995-09-21 00:00:00

abstract：:Grb2 is an adaptor protein that links receptor and cytoplasmic tyrosine kinases to the Ras signalling pathway by binding the Ras-specific guanine nucleotide exchange factor, Sos1, through its SH3 domains. The Grb2-SH3 domain binding has been localized to the carboxy-terminal two hundred amino acids of Sos1 (Sos1-c). B...

journal_title：Oncogene

authors： Sastry L,Lin W,Wong WT,Di Fiore PP,Scoppa CA,King CR

更新日期：1995-09-21 00:00:00

abstract：:Receptor tyrosine kinases (RTKs) control proliferation and differentiation through their ability to bind and/or phosphorylate intracellular substrates. The repertoire of substrates recruited by different RTK is largely overlapping. It is not clear, therefore, how a cell distinguishes among signals originating from dif...

journal_title：Oncogene

authors： Avantaggiato V,Torino A,Wong WT,Di Fiore PP,Simeone A

更新日期：1995-09-21 00:00:00

abstract：:The activities of E2F transcription factors are inhibited by interactions with members of the retinoblastoma (RB) tumor suppressor family, p105RB, p107 and p130. In cycling cells p107 and p130 also interact with heterodimers comprised of Cdk2 and either A or E cyclins. We characterized E2F complexes present in C2C12 a...

journal_title：Oncogene

authors： Corbeil HB,Whyte P,Branton PE

更新日期：1995-09-07 00:00:00

abstract：:The tax gene product of the human T-cell leukemia virus type I (HTLV-I) induces the nuclear expression and biological function of the NF-kappa B/Rel family of host transcription factors although the underlying mechanism remains unclear. In the present study, we demonstrate that Tax-mediated activation of NF-kappa B/Re...

journal_title：Oncogene

authors： Maggirwar SB,Harhaj E,Sun SC

更新日期：1995-09-07 00:00:00

abstract：:An altered protein expression of Ca(2+)-dependent protein kinase C (PKC) isoforms and a point mutation in the PKC alpha cDNA (position 908 of the nucleotide sequence, position 294 of the amino acid sequence, substitution of an aspartic acid by a glycine) have been previously described in a subpopulation of human pitui...

journal_title：Oncogene

authors： Prévostel C,Alvaro V,de Boisvilliers F,Martin A,Jaffiol C,Joubert D

更新日期：1995-08-17 00:00:00

abstract：:The p53 protein is a multifunctional transcription factor which orchestrates cellular responses to DNA damage, so helping to conserve genomic stability. It may also regulate genes involved in intercellular signalling, such as thrombospondin, a negative regulator of angiogenesis and metastatic spread. Activation of p53...

journal_title：Oncogene

authors： Rolley N,Butcher S,Milner J

更新日期：1995-08-17 00:00:00

abstract：:E1A of human adenovirus type 5 (Ad5) encodes proteins of 289 and 243 residues (289R and 243R) which differ only by the 46 amino acid CR3 region known to activate expression of certain cellular and early viral genes. E1A proteins also induce DNA synthesis and cell transformation, but as well can stimulate apoptosis. Tw...

journal_title：Oncogene

authors： Teodoro JG,Shore GC,Branton PE

更新日期：1995-08-03 00:00:00

abstract：:The DNA-binding, transcriptional activation and transforming activities of the Myc protein require dimerization with Max. Max can form also homodimers which are able to bind the same DNA sequence as Myc/Max heterodimers and suppress Myc-induced transcription and transformation. We have recently identified a naturally ...

journal_title：Oncogene

authors： Västrik I,Mäkelä TP,Koskinen PJ,Alitalo K

更新日期：1995-08-03 00:00:00

abstract：:To understand the mechanism for resistance of primary cultures of rat embryo fibroblasts (REFs) to oncogene-induced transformation, we studied the transforming ability of a recombinant retrovirus, ZSV, containing v-src and neo genes in REFs and in the rat cell line F2408. The susceptibility of REFs to p60v-src transfo...

journal_title：Oncogene

authors： Inoue H,Tavoloni N,Hanafusa H

更新日期：1995-07-20 00:00:00

abstract：:We studied loss of heterozygosity (LOH) in chromosome 7q in order to determine the location of a putative tumor suppressor gene (TSG) in human epithelial ovarian carcinomas. Samples were obtained from 26 primary ovarian carcinomas at the time of staging laparotomy. Paired normal and tumoral DNAs were used as templates...

journal_title：Oncogene

authors： Zenklusen JC,Weitzel JN,Ball HG,Conti CJ

更新日期：1995-07-20 00:00:00

abstract：:The SCL/TAL1 gene was originally identified by virtue of its rearrangement and transcriptional activation in patients with T cell acute lymphoblastic leukaemia. It encodes a helix-loop-helix transcription factor, is not normally expressed in T cells, but is expressed in erythroid, mast, megakaryocytic and progenitor c...

journal_title：Oncogene

authors： Murrell AM,Bockamp EO,Göttgens B,Chan YS,Cross MA,Heyworth CM,Green AR

更新日期：1995-07-06 00:00:00

abstract：:Rho small GTP-binding protein regulates various cell functions, such as formation of stress fibers and focal adhesions, cell motility, membrane ruffling, cytokinesis and smooth muscle contraction in mammalian cells and bud formation in the yeast Saccharomyces cerevisiae. As to the functioning sites of Rho in Saccharom...

journal_title：Oncogene

authors： Takaishi K,Sasaki T,Kameyama T,Tsukita S,Tsukita S,Takai Y

更新日期：1995-07-06 00:00:00

abstract：:The transcription factor DRTF1/E2F is implicated in the control of cellular proliferation due to its interaction with key regulators of cell cycle progression, such as the retinoblastoma tumour suppressor gene product and related pocket proteins, cyclins and cyclin-dependent kinases. DRTF1/E2F DNA binding activity ari...

journal_title：Oncogene

authors： Buck V,Allen KE,Sørensen T,Bybee A,Hijmans EM,Voorhoeve PM,Bernards R,La Thangue NB

更新日期：1995-07-06 00:00:00

abstract：:In order to assess the functional contribution of the human c-myc promoter region in the expression of the c-myc gene, transgenic mouse lines containing a bacterial lac Z gene encoding beta-galactosidase under the control of the human c-myc protooncogene promoter were generated. Transgenic mouse embryos heterozygous f...

journal_title：Oncogene

authors： Jones DE Jr,Cui DM,Miller DM

更新日期：1995-06-15 00:00:00

abstract：:In order to examine the role of p53 expression on the sensitivity of cells to radiation-induced reproductive failure, we examined the radiosensitivity of a human diploid fibroblast cell strain (AG1521) before and after transfection with the E6 or E6/E7 genes of human papillomavirus 16 (HPV16)3. HPV E6 binds to p53, pr...

journal_title：Oncogene

authors： Tsang NM,Nagasawa H,Li C,Little JB

更新日期：1995-06-15 00:00:00

abstract：:Elevated expression of osteopontin (OPN), a secreted adhesive phosphoglycoprotein, is frequently associated with many transformed cell lines of epithelial and stromal origin. Moreover, several clonal lines of preneoplastic JB6 cells derived from Balb/c mouse epidermal cultures (Colburn et al., 1978, 1979), upon treatm...

journal_title：Oncogene

authors： Su L,Mukherjee AB,Mukherjee BB

更新日期：1995-06-01 00:00:00

abstract：:The high incidence of loss of chromosome 10 alleles in glioblastoma multiforme suggests the presence on this chromosome of a tumor suppressor gene that is important in glioma tumorigenesis and progression. Our initial deletion mapping studies using restriction fragment length polymorphism markers indicated a common de...

journal_title：Oncogene

authors： Rasheed BK,McLendon RE,Friedman HS,Friedman AH,Fuchs HE,Bigner DD,Bigner SH

更新日期：1995-06-01 00:00:00

abstract：:Ras-GRF, a guanine-nucleotide exchange factor that activates Ras p21, was tested for its ability to couple to either tyrosine kinase or heterotrimeric G protein signal transduction pathways. Ras-GRF failed to bind the SH2 and SH3 containing adaptor protein Grb2, either in vitro or in vivo. Furthermore, Ras-GRF did not...

journal_title：Oncogene

authors： Shou C,Wurmser A,Suen KL,Barbacid M,Feig LA,Ling K

更新日期：1995-05-18 00:00:00

abstract：:Induction of apoptosis in tumor cells is an important mechanism of chemotherapy-induced cell death. The tumor-suppressor gene p53 is required for the efficient activation of apoptosis following chemotherapy. However, the molecular mechanism regulating p53-associated apoptosis remains controversial. In this study, we s...

journal_title：Oncogene

authors： Kondo S,Barnett GH,Hara H,Morimura T,Takeuchi J

更新日期：1995-05-18 00:00:00

abstract：:Previously, we cloned two gene fragments encoding novel protein tyrosine phosphatases, termed PTP-U1 and PTP-U2. Here, we report the full-length sequence, expression, and chromosomal localization of the PTP-U2 gene. The cDNA for PTP-U2, which was obtained from a human normal kidney library, predicts a protein of 1216 ...

journal_title：Oncogene

authors： Seimiya H,Sawabe T,Inazawa J,Tsuruo T

更新日期：1995-05-04 00:00:00

abstract：:The tumour suppressor p53 is a transcription factor with high affinity for specific DNA target sequences. Wild type p53 has a very short half life in normal cells but the protein shows transient accumulation in response to DNA damage, accompanied by up-regulation of target genes such as p21 and induction of growth arr...

journal_title：Oncogene

authors： Molinari M,Milner J

更新日期：1995-05-04 00:00:00