Auflistung Nach Schlagwort "p53"
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Aberrant methylation of c-myc and c-fos protooncogenes and p53 tumor suppressor gene in myelodysplastic syndromes and acute non-lymphocytic leukemia
(2003)Purpose: Aberrant methylation, as an epigenetic phenomenon, may precede and regulate the expression of genes involved in transformation mechanisms that lead to leukemogenesis of hemopoietic cells. The genes involved mostly ... -
Angiogenic interactions of vascular endothelial growth factor, of thymidine phosphorylase, and of p53 protein expression in locally advanced gastric cancer
(2000)The assessment of the angiogenic profile of tumors may become an important tool as a guide for the inclusion of novel drugs and molecular therapies into the standard chemoradiotherapy policy. Several studies have shown the ... -
Association of allelic loss at the FHIT locus and p53 alterations with tumour kinetics and chromosomal instability in non-small cell lung carcinomas (NSCLCs)
(2001)The FHIT gene, located at the FRA3B fragile site of chromosome 3p14.2, encodes a 16.8 kD homologue of the yeast enzyme diadenosine tetraphosphate (Ap(4)A) hydrolase, Frequent allelic losses at this region in various ... -
Bax protein expression in colorectal cancer: Association with p53, bcl-2 and patterns of relapse
(2001)This study evaluated the frequency and the prognostic significance of bax, bcl-2 and p53 proteins in stage B and C adenocarcinomas of the colon and rectum. Paraffin-embedded specimens from 268 patients with colorectal ... -
Bortezomib overcomes MGMT-related resistance of glioblastoma cell lines to temozolomide in a schedule-dependent manner
(2013)Development of drug resistance after standard chemotherapy for glioblastoma multiforme (GBM) with temozolomide (TMZ) is associated with poor prognosis of GBM patients and is at least partially mediated by a direct DNA ... -
Expression of p53 protein in T- and natural killer-cell lymphomas is associated with some clinicopathologic entities but rarely related to p53 mutations
(2001)To determine if p53 abnormalities could be involved in the pathogenesis of T- or natural killer (NK)-cell lymphomas, we investigated 51 cases of these lymphomas for the expression of p53 and its relationship with p53 gene ... -
Indoleamine 2,3-dioxygenase increases p53 levels in alloreactive human T cells, and both indoleamine 2,3-dioxygenase and p53 suppress glucose uptake, glycolysis and proliferation
(2014)Indoleamine 2,3-dioxygenase (IDO) suppresses adaptive immunity by inhibiting T-cell proliferation and altering glucose metabolism. The tumor suppressor p53 also alters these cellular processes with similar results. The ... -
The involvement of HER2 and p53 status in the regulation of telomerase in irradiated breast cancer cells
(2009)Cancer cell characteristics may play a pivotal role in the response to therapy by activating or deactivating different molecular pathways. In the present study, we investigated the implication of breast cancer cell features, ... -
The labdane diterpene sclareol (labd-14-ene-8, 13-diol) induces apoptosis in human tumor cell lines and suppression of tumor growth in vivo via a p53-independent mechanism of action
(2011)The labdane diterpene sclareol has demonstrated significant cytotoxicity against human tumor cell lines and human colon cancer xenografts. Therefore, there is need to elucidate the mode of action of this compound as very ... -
p53 and Cyclooxygenase-2 Expression are Directly Associated with Cyclin D1 Expression in Radical Prostatectomy Specimens of Patients with Hormone-Naive Prostate Cancer
(2012)Prostate cancer (PCa) is a potentially curable disease when diagnosed in early stages and subsequently treated with radical prostatectomy (RP). However, a significant proportion of patients tend to relapse early, with the ... -
SAFB1 interacts with and suppresses the transcriptional activity of p53
(2011)A significant amount of nuclear p53 is found associated with the nuclear matrix in cells that were exposed to genotoxic stress. In this study we identified Scaffold attachment factor B1 (SAFB1), a nuclear matrix-associated ... -
Serine-arginine protein kinases: a small protein kinase family with a large cellular presence
(2011)Serine-arginine protein kinases (SPRKs) constitute a relatively novel subfamily of serine-threonine kinases that specifically phosphorylate serine residues residing in serine-arginine/arginine-serine dipeptide motifs. ... -
Thrombospondin-1 expression in breast cancer: prognostic significance and association with p53 alterations, tumour angiogenesis and extracellular matrix components
(2012)Thrombospondin (TSP-1) is a 450-kd adhesive glycoprotein that was initially discovered in platelets and subsequently in a variety of cell types. Several reports suggest that TSP-1 possesses tumour suppressor function, ...