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Objective: This study sought to characterize changes in the angiopoietin system in a rat model of myocardial infarction (MI). Background: Angiopoietin-1 (Ang-1) and angiopoietin-2 (Ang-2) bind to the endothelial-specific receptor tyrosine kinase, TIE-2. Ang-2 has been suggested to be an antagonist of TIE-2, possibly acting to release endothelial cells from the tonic stabilizing influence of Ang-1...
Objective: Angiogenesis is a complex multistep process that involves endothelial cell (EC) migration, proliferation and differentiation into vascular tubes. NO has been reported to be a downstream mediator in the angiogenic response to a variety of growth factors, but the mechanisms by which NO promotes neovessel formation is not clear. We hypothesized that NO directly contributes to EC migration...
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