“…In the same line are also data showing that many of the molecules that have been described to bind and act through cell surface NCL are also described to act through integrins, and especially ␣ v  3 . This is true for VEGF (34,35), laminins (15,36,37), hepatocyte growth factor (13,38), endostatin (14,39), and PTN (18,24).…”