نتایج جستجو برای: vegfr2
تعداد نتایج: 2096 فیلتر نتایج به سال:
RATIONALE Vascular endothelial growth factor (VEGF), a major proangiogenic agent, exerts its proangiogenic action by binding to VEGF receptor 2 (VEGFR2), the activity of which is regulated by direct interactions with other cell surface proteins, including integrin α(V)β(3). However, how the interaction between VEGFR2 and integrin α(V)β(3) is regulated is not clear. OBJECTIVE To investigate wh...
OBJECTIVE MicroRNAs (miRs) regulate angiogenesis by posttranscriptional silencing of target genes. The significance of angiostatic miR-200b in switching on skin wound angiogenesis was tested. METHODS AND RESULTS Wounding caused imminent and transient downregulation of miR-200b in dermal wound-edge endothelial cells. Derailing this injury response by lentiviral delivery of miR-200b in vivo imp...
Angiogenesis is essential to tumour progression and a precise evaluation of angiogenesis is important for tumour early diagnosis and treatment. The quantitative and dynamic in vivo assessment of tumour angiogenesis can be achieved by molecular magnetic resonance imaging (mMRI). Vascular endothelial growth factor (VEGF) and VEGF receptors (VEGFRs) are the main regulatory systems in angiogenesis ...
BACKGROUND Ovarian hyperstimulation syndrome (OHSS) is the most serious complication of IVF/ICSI therapy. The pathophysiology and etiology of the disease is still not fully clarified. METHODS To assess whether polymorphisms of the VEGF/VEGF-receptor system contribute to the occurrence of ovarian hyperstimulation syndrome (OHSS), we performed a retrospective analysis of 116 OHSS patients, and ...
BACKGROUND Although the vascular endothelial growth factor (VEGF)/VEGF receptor (VEGFR) system has become a prime target for antiangiogenic treatment, its biological role in glioblastoma beyond angiogenesis has remained controversial. METHODS Using neutralizing antibodies to VEGF or placental growth factor (PlGF) or the tyrosine kinase inhibitor, cediranib, or lentiviral gene silencing, we de...
Testosterone-induced singing in songbirds is thought to involve testosterone-dependent morphological changes that include angiogenesis and neuronal recruitment into the HVC, a central part of the song control circuit. Previous work showed that testosterone induces the production of vascular endothelial growth factor (VEGF) and its receptor (VEGFR2 tyrosine kinase), which in turn leads to an upr...
We previously reported that tumor vessel-redirected T cells, which were genetically engineered with chimeric antigen receptor (CAR) specific for vascular endothelial growth factor receptor 2 (VEGFR2), demonstrated significant antitumor effects in various murine solid tumor models. In the present study, we prepared anti-VEGFR2 CAR-T cells by CAR-coding mRNA electroporation (mRNA-EP) and analyzed...
MicroRNAs (miRNAs) have been demonstrated to participate in many important cellular processes including radiosensitization. VEGF family, an important regulator of angiogenesis, also plays a crucial role in the regulation of cancer cell radiosensitivity. VEGFR2 mediates the major growth and permeability actions of VEGF in a paracrine/autocrine manner. MiR-200c, at the nexus of epithelial-mesench...
Vascular endothelial growth factor (VEGF-A) signaling is required for endothelial cell differentiation, vasculogenesis, angiogenesis, and vascular patterning. During kidney morphogenesis, podocyte VEGF-A guides endothelial cells toward developing glomeruli. Podocyte VEGF-A expression continues throughout life but its function after completion of development remains unclear. Here, we examined th...
PURPOSE To analyze the role of VEGF and its receptors, VEGFR2/Flk1 and VEGFR1/Flt1, on retinal progenitor cells (RPCs) in a murine model of inherited retinal degeneration (rd1 mice). METHODS After proliferating RPCs in the retina of rd1 mice were labeled with bromodeoxyuridine (BrdU), expressions of VEGFR2/Flk1 and VEGFR1/Flt1 were immunohistochemically analyzed. To examine its effect on the ...
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