Promotion of Angiogenesis via Secretion of Growth Factors

The promotion of angiogenesis via secretion of growth factors is a complex biological process where cells release specific proteins (angiogenic growth factors) that stimulate the formation of new blood vessels from pre-existing vasculature. This process is crucial in physiological processes and plays a significant role in various pathological conditions. Key growth factors include VEGF family members, FGF family members, PDGF, Angiopoietins, and TGF-β. These factors bind to their respective receptors on endothelial cells, triggering signaling cascades that promote endothelial cell proliferation, migration, survival, and differentiation, leading to new blood vessel formation. Disruptions in the balance of pro- and anti-angiogenic signals are implicated in many diseases characterized by abnormal vascularization.

Other names

Angiogenesis stimulationGrowth factor-induced angiogenesisNeovascularization via secreted factors

Growth factors bind to their respective receptors (e.g., VEGFRs, FGFRs, Tie2) on endothelial cells, initiating intracellular signaling cascades that promote endothelial cell proliferation, migration, survival, and differentiation, leading to new blood vessel formation. The net effect depends on the balance between pro- and anti-angiogenic signals.