نتایج جستجو برای: vegf receptor 2
تعداد نتایج: 2961377 فیلتر نتایج به سال:
Angiotensin II is a known stimulus for the expression of vascular endothelial growth factor (VEGF). This action of angiotensin II is mediated by the angiotensin type 1 (AT1) receptor. However, the role of the angiotensin type 2 (AT2) receptor subtype in inducing VEGF expression has been controversial. The aim of the present study was to assess the effects of AT2 receptor blockade on VEGF expres...
Vascular endothelial growth factor (VEGF) plays a pivotal role in the processes of angiogenesis, which is essential for the growth of solid tumors and their metastasis. Because VEGF is a critical factor in tumor survival, inhibiting VEGF would provide significant benefits in tumor therapy. To identify a compound that inhibits the binding of VEGF to its receptor, we used a high throughput screen...
The secreted glycoprotein vascular endothelial growth factor-D (VEGF-D) is angiogenic, lymphangiogenic, and promotes metastatic spread of tumor cells via lymphatic vessels. VEGF-D consists of a receptor-binding domain (VEGF homology domain) and N- and C-terminal propeptides. Proteolytic processing produces numerous forms of human VEGF-D, including fully processed derivatives (containing only th...
Background & Aim: Angiogenesis has an important role in the progression and metastasis of breast cancer and is a predictor of patient's survival. This process is regulated by vascular endothelial growth factors (VEGF). The purpose of the present study is to determine the angiogenesis process through the evaluation of the relationship between MVD and VEGF based on immunohistochemistry in p...
background: we investigated coronary angiogenesis and serum vascular endothelial growth factor (vegf) and its soluble receptor-1 (sflt-1) concentrations in two-kidney one-clip (2k1c) hypertensive rats before and after reversal of hypertension. methods: the animal groups were: (i) sham-clipped for 12 weeks; (ii) 2k1c for 12 weeks; (iii) sham-clipped for 12 weeks and unclipped for 12 weeks; and (...
Neuropilin (NRP) 1, previously identified as a neuronal receptor that mediates repulsive growth cone guidance, has been shown recently to function also in endothelial cells as an isoform-specific receptor for vascular endothelial growth factor (VEGF)(165) and as a coreceptor in vitro of VEGF receptor 2. However, its potential role in pathologic angiogenesis remains unknown. In the present study...
Mast cells accumulate in large numbers at angiogenic sites, where they have been shown to express a number of proangiogenic factors, including vascular endothelial growth factor (VEGF-A). PGE(2) is known to strongly promote angiogenesis and is found in increased levels at sites of chronic inflammation and around solid tumors. The expression pattern of VEGF and the regulation of VEGF-A by PGE(2)...
Tight regulation of VEGF-A production and signaling is important for the maintenance of lung development and homeostasis. VEGF null mice have provided little insight into the role of VEGF during the later stages of lung morphogenesis. Therefore, we examined the in vitro effects of autocrine and paracrine VEGF-A production and the inhibition of VEGF-A signaling on a Flk-1-negative subset of feta...
Vascular endothelial growth factor (VEGF), a major factor in tumor-host interactions, plays a critical role in the aberrant hematopoiesis observed in cancer-bearing hosts. To dissect the roles of VEGF receptor (VEGFR)-1 and VEGFR-2 in cancer-associated hematopoiesis in vivo, we selectively stimulated VEGFR-1 and VEGFR-2 by continuous infusion of receptor-specific ligands or selective blockade w...
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