نتایج جستجو برای: vegfr2
تعداد نتایج: 2096 فیلتر نتایج به سال:
OBJECTIVE Vascular endothelial growth factor receptor 2 (VEGFR2)-overexpressing cells may form an interesting target for the treatment of atherosclerosis because of their involvement in processes that contribute to this disease, such as angiogenesis. METHODS AND RESULTS We vaccinated mice against VEGFR2 by an orally administered DNA vaccine, comprising a plasmid, encoding murine VEGFR2, carri...
background: angiogenesis, which is required for embryonic development and many physiological events, plays crucial role in many pathological conditions such as tumor growth and metastasis. recent studies indicate anticancer and antitumor properties of saffron against human cancers. many processes are affected by electromagnetic field (emf) and its effect on proliferation and gene expression wer...
Vascular endothelial growth factor A (VEGF-A) regulates many aspects of vascular function. VEGF-A binding to vascular endothelial growth factor receptor 2 (VEGFR2) stimulates endothelial signal transduction and regulates multiple cellular responses. Activated VEGFR2 undergoes ubiquitination but the enzymes that regulate this post-translational modification are unclear. In this study, the de-ubi...
BACKGROUND Vascular endothelial growth factor receptor-2 (VEGFR2) plays a pivotal role in angiogenesis by eliciting vascular endothelial cell growth when bound to VEGF, a powerful pro-angiogenic ligand. While Vegf and Vegfr2 are expressed throughout gestation, the latter third of gestation in mice is characterized by a marked increase in fetoplacental angiogenesis. Thus, the objective of this s...
Vascular endothelial growth factor receptor 2 (VEGFR2) plays a key role in physiologic and pathologic angiogenesis. Plasma membrane (PM) levels of VEGFR2 are regulated by endocytosis and secretory transport through the Golgi apparatus. To date, the mechanism whereby the VEGFR2 traffics through the Golgi apparatus remains incompletely characterized. We show in human endothelial cells that bindin...
The devastating sequelae of diabetes mellitus include microvascular permeability, which results in retinopathy. Despite clinical and scientific advances, there remains a need for new approaches to treat retinopathy. Here, we have presented a possible treatment strategy, whereby targeting the small GTPase ARF6 alters VEGFR2 trafficking and reverses signs of pathology in 4 animal models that repr...
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-associated mortality worldwide in men. Bone marrow-derived cells (BMDCs), including circulating endothelial progenitor cells, have been reported to be involved in the progression of HCC. The complexity of BMDCs inspires further interest in the study of HCC. In the present study, highly metastatic HCC models with BM function de...
Acquired resistance to antiangiogenic drugs has emerged as a potentially important issue in clinical settings; however, the underlying molecular and cellular mechanism of resistance to vascular endothelial growth factor receptor 2 (VEGFR2) tyrosine kinase inhibitor (TKI) remains largely unclear. We evaluated the cellular characteristics of human umbilical vein endothelial cell (HUVEC) clones, w...
RATIONALE c-myb null (knockout) embryonic stem cells (ESC) can differentiate into cardiomyocytes but not contractile smooth muscle cells (SMC) in embryoid bodies (EB). OBJECTIVE To define the role of c-Myb in SMC differentiation from ESC. METHODS AND RESULTS In wild-type (WT) EB, high c-Myb levels on days 0-2 of differentiation undergo ubiquitin-mediated proteosomal degradation on days 2.5-...
OBJECTIVES We previously reported a series of quinazoline derivatives as vascular-targeting anticancer agents. In this study, we investigated the mechanism underlying the anti-angiogenic activity of the quinazoline derivative compound 11d. MATERIALS AND METHODS We examined the effects of quinazoline derivative 11d: on vascular endothelial growth factor receptor-2 (VEGFR2) activation via VEGFR...
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