نتایج جستجو برای: oncogene protein
تعداد نتایج: 1251152 فیلتر نتایج به سال:
Cancer is a disease associated with genomic instability that often results from oncogene activation. This in turn leads to hyperproliferation and replication stress. However, the molecular mechanisms that underlie oncogene-induced replication stress are still poorly understood. Oncogenes such as HRASV12 promote proliferation by upregulating general transcription factors to stimulate RNA synthes...
Vav family members function as remarkable scaffold proteins that exhibit both GDP/GTP exchange activity for Rho/Rac GTPases and numerous protein-protein interactions via three adaptor Src-homology domains. The exchange activity is under the unique regulation by phosphorylation of tyrosine residues hidden by intra-molecular interactions. Deletion of the autoinhibitory N-terminal region results i...
Gastrointestinal stromal tumors (GIST) are defined as mesenchymal of the gastrointestinal tract expressing proto-oncogene protein CD 117. GIST is a rare tumor small bowel, which can be difficult to diagnose and has varied clinical outcome. Prognosis dependent on size mitotic count. Radical surgical excision (R0) treatment choice for resectable non-metastatic disease. Imatinib first-line therapy...
During the initiation stage of pancreatic adenocarcinoma induced by oncogenic Kras, pancreatic cells are exposed to both a protumoral effect and an opposing tumor suppressive process known as oncogene-induced senescence. Pancreatitis disrupts this balance in favor of the transforming effect of oncogenes by lowering the tumor suppressive threshold of oncogene-induced senescence through expressio...
The v-erb A oncogene of avian erythroblastosis virus is derived from a host gene for a thyroid hormone receptor and is able to block differentiation of erythroid cells and modify the growth properties of fibroblasts. Unlike its host cell progenitor, the v-erb A protein is found in both cytoplasmic and nuclear fractions of the cell. I report here that the cytoplasmic form of the v-erb A protein ...
Pancreatic ductal adenocarcinoma (PDAC) is a tumor with a poor prognosis, and no targeted therapy is currently available. The aim of the present study was to investigate the prognostic significance of the expression of V-Ki-ras2 Κirsten rat sarcoma viral oncogene homolog (KRAS), downstream signaling pathway genes and the association with clinical characteristics in PDAC patients undergoing radi...
Background: Medullary thyroid cancer (MTC), includes 5-10% of all the thyroid cancers. RET proto-oncogene mutations have been found in association with MTC development. Therefore, identification of the mutations in RET can allow early diagnosis of the families who are at the risk of the disease. The goal of this study was to investigate existence and association between mutations in exon 19 of ...
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