نتایج جستجو برای: angiopoietin 1
تعداد نتایج: 2753996 فیلتر نتایج به سال:
Angiopoietin-1 is implicated in the maturation and remodeling of the vascular network during embryo development and in adult life. Through its tyrosine kinase receptor Tie-2 it stimulates endothelial cells to migrate and change shape. Here we show that angiopoietin-1 elicits chemokinesis of endothelial cells by a phosphoinositide 3-OH kinase/son of sevenless-dependent modulation of Rac1 and Rho...
BACKGROUND The angiopoietin/Tie2 pathway is an attractive target for cancer therapy due to its well-known role in regulating angiogenesis. Trebananib, a recombinant peptide-Fc fusion protein, or peptibody, that binds to angiopoietin-1 (Ang1) and Ang2 to block their interaction with the Tie2 receptor, is under active clinical investigation. We investigated whether suppressing the angiopoietin/Ti...
AIMS Vascular integrity is disturbed in shock contributing to clinical appearance and serious outcomes. While angiopoietin (Ang)-1 protects from vascular inflammation and leakage, Ang-2 disrupts endothelial barrier function. The imbalance of Ang-1 and Ang-2, their association to haemodynamic deterioration, and their prognostic relevance are not known and, thus, were prospectively evaluated in p...
OBJECTIVE In angiogenesis, circulating mononuclear cells are recruited to vascular lesions; however, the underlying mechanisms are poorly understood. APPROACH AND RESULTS Here, we characterize the functional role of protein tyrosine kinase 7 (PTK7)-expressing CD11b(+) mononuclear cells in vitro and in vivo using a mouse model of angiogenesis. Although the frequencies of PTK7(+)CD11b(+) cells ...
Angiopoietins and Tie2 are angiogenic-specific ligand and receptor complex that have been shown to play a critical role in tumor angiogenesis. Angiopoietin-2 (Ang2) is one of four ligands for receptor Tie2 and it is the naturally occurring antagonist to Tie2, inhibiting the action of Angiopoietin-1 (Ang1). Over the last decade, significant research has focused on elucidating the role of Ang2 in...
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