نتایج جستجو برای: associated domain family 1 rassf1a
تعداد نتایج: 4419053 فیلتر نتایج به سال:
Methylation of the RAS association domain family protein 1A (RASSF1A) promoter has been observed in nasopharyngeal carcinoma (NPC). This study investigated the correlation of RASSF1A promoter methylation with clinicopathological features and its utility as a diagnostic biomarker in NPC. A total of 926 patients with NPC and 495 non-tumor controls were analyzed in this study. RASSF1A promoter met...
RASSF1A (Ras association domain containing family 1A), a tumor suppressor gene that is frequently inactivated in human cancers, is phosphorylated by ataxia telangiectasia mutated (ATM) on Ser131 upon DNA damage, leading to activation of a p73-dependent apoptotic response. A single-nucleotide polymorphism located in the region of the key ATM activation site of RASSF1A predicts the conversion of ...
RAS association domain family protein 1a (RASSF1A) is a putative tumor suppressor gene located on 3p21, has been regarded playing important roles in the regulation of different types of human tumors. Previous reports demonstrated that the frequency of RASSF1A methylation was significantly higher in patients group compared with controls, but the relationship between RASSF1A promoter methylation ...
The human Ras association domain family 1A gene (RASSF1A), recently cloned from the lung tumor suppressor locus 3p21.3, was shown to be hypermethylated in primary lung tumors, and reexpression of RASSF1A suppressed the growth of lung cancer cells (R. Dammann et al., Nat. Genet., 25: 315-319, 2000). In this study, we analyzed the expression and possible alterations of RASSF1A in breast cancer. I...
Age, adiposity, and smoking are risk factors for the development of renal cell carcinoma. Hypermethylation of the RAS association domain family 1A gene (RASSF1A) promoter belongs to the most frequently detected epigenetic alterations in human cancers including renal cell carcinoma. RASSF1A is functionally involved in cell cycle control in normal cells and depletion promotes a number of cellular...
Ras association domain family protein 1A (RASSF1A) is a tumor suppressor gene silenced in cancer. Here we report that RASSF1A is a novel regulator of intestinal inflammation as Rassf1a(+/-) , Rassf1a(-/-) and an intestinal epithelial cell specific knockout mouse (Rassf1a (IEC-KO) ) rapidly became sick following dextran sulphate sodium (DSS) administration, a chemical inducer of colitis. Rassf1a...
The Ras Association Domain Family 1A (RASSF1A) gene is one of the most frequently silenced genes in human cancer. RASSF1A has been shown to interact with the proapoptotic kinase MST1. Recent work in Drosophila has led to the discovery of a new tumor-suppressor pathway involving the Drosophila MST1 and MST2 ortholog, Hippo, as well as the Lats/Warts serine/threonine kinase and a protein named Sa...
Recent findings have shown the inactivation of a Ras effector homologue gene referred to as the Ras association domain family 1 (RASSF1) gene, which is a potential human tumor suppressor gene located on chromosome 3p21.3. Hypermethylation of the CpG island promoter region of a major alternative transcript of this gene, RASSF1A, has been suggested to play a key role in pathogenesis of various ca...
PURPOSE The RAS association domain family 1 (RASSF1) gene is a tumor-suppressor gene located on chromosome 3p21.3. The alternative transcript (RASSF1a) has been shown to be inactivated by hypermethylation in several human malignancies, including breast, prostate, and lung cancer, and in cutaneous melanoma. The purpose of this study was to evaluate the methylation status of RASSF1a in human uvea...
PURPOSE To evaluate prognostic and predictive molecular biomarkers in early-stage non-small cell lung carcinoma (NSCLC) receiving neoadjuvant chemotherapy. EXPERIMENTAL DESIGN The IFCT-0002 trial compared two neoadjuvant regimens in 528 stages I to II NSCLC patients. DNA extraction of snap-frozen surgical samples taken from 208 patients receiving gemcitabine-cisplatin or paclitaxel-carboplati...
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