Key result
Treatment with the isolated receptor-binding domain of Ang1 (DeltaAng1) reduced vascular density and simplified vessel branching patterns independently of Tie2 phosphorylation.
Population
Endothelial cells in vitro and developing chicken chorioallantoic membrane microvasculature in vivo
Comparison
DeltaAng1 protein treatment and lentiviral gene… vs Recombinant full-length Ang1 protein
Design
Preclinical
Authors
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Hypothesis-generating for Tie2-independent anti-angiogenic effects; leaves open translation to clinical use.
The isolated receptor-binding domain of Ang1 can reduce vascular density and mediate endothelial effects independently of Tie2 phosphorylation, suggesting a potential role in anti-angiogenic therapies.
Weber et al. (2005) studied Angiogenesis and vessel organization. DeltaAng1 (truncated monomeric Ang1 variant) vs. Full-length Ang1 protein was evaluated on Vascular length density, vessel thinning, and number of vessel branching points. Treatment with the isolated receptor-binding domain of Ang1 (DeltaAng1) reduced vascular density and simplified vessel branching patterns independently of Tie2 phosphorylation.