نتایج جستجو برای: vegf receptor 2
تعداد نتایج: 2961377 فیلتر نتایج به سال:
Vascular endothelial growth factor (VEGF) is a secreted mitogen highly specific for cultured endothelial cells. In vivo VEGF induces microvascular permeability and plays a central role in both angiogenesis and vasculogenesis. VEGF is a promising target for therapeutic intervention in certain pathological conditions that are angiogenesis dependent, most notably the neovascularisation of growing ...
There is growing evidence that vascular endothelial growth factor-A (VEGF-A), a ligand of the receptor tyrosine kinases VEGFR1 and VEGFR2, promotes lymphangiogenesis. However, the underlying mechanisms by which VEGF-A induces the growth of lymphatic vessels remain poorly defined. Here we report that VEGFR2, not VEGFR1, is the primary receptor regulating VEGF-A-induced lymphangiogenesis. We show...
FLK-1/vascular endothelial growth factor receptor 2 (VEGFR-2) is one of the receptors for VEGF. In this study we examined the effect of cell density on activation of VEGFR-2. VEGF induces only very slight tyrosine phosphorylation of VEGFR-2 in confluent (95-100% confluent) pig aortic endothelial (PAE) cells. In contrast, robust VEGF-dependent tyrosine phosphorylation of VEGFR-2 was observed in ...
Plaque angiogenesis may be associated with the development of unstable and vulnerable plaques. Vascular endothelial growth factors (VEGFs) are potent angiogenic factors that can affect plaque neovascularization. Our objective was to determine the effect of diabetes on atherosclerosis and on the expression of angiogenesis-related genes in atherosclerotic lesions. Alloxan was used to induce diabe...
NMDA type glutamate receptors (NMDARs) are best known for their role in synaptogenesis and synaptic plasticity. Much less is known about their developmental role before neurons form synapses. We report here that VEGF, which promotes migration of granule cells (GCs) during postnatal cerebellar development, enhances NMDAR-mediated currents and Ca(2+) influx in immature GCs before synapse formatio...
We present an analysis of a stochastic model of the vascular endothelial growth factor (VEGF) receptor. This analysis addresses the contribution of ligand-binding-induced oligomerization, activation of src-homology 2 domain-carrying kinases and receptor internalization in the overall behaviour of the VEGF/VEGF receptor (VEGFR) system. The analysis is based upon a generalization of a Wentzel-Kra...
OBJECTIVES To determine expression of vascular endothelial growth factor (VEGF), pigment epithelium-derived factor, and their respective receptors in retinas using a model of retinopathy of prematurity. METHODS Retinas isolated from a 50/10 oxygen (inspired oxygen cycled between 50% oxygen and 10% oxygen every 24 hours)-induced rat model of retinopathy of prematurity (50/10 OIR model), and fr...
Vascular endothelial growth factor (VEGF) is known as a key regulator of angiogenesis during endochondral bone formation. Recently, we demonstrated that TNF-related activation-induced cytokine (TRANCE or RANKL), which is essential for bone remodeling, also had an angiogenic activity. Here we report that VEGF up-regulates expression of receptor activator of NF-kappa B (RANK) and increases angiog...
Vascular and lymphatic malformations represent a challenge for clinicians. The identification of inherited somatic mutations in important signaling pathways, including the PI3K (phosphoinositide 3-kinase)/AKT (protein kinase B)/mTOR (mammalian target rapamycin), RAS (rat sarcoma)/RAF (rapidly accelerated fibrosarcoma)/MEK (mitogen-activated protein kinase)/ERK (extracellular signal-regulated ki...
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