Implants possessing a surface of endothelial cells genetically-m

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure

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435372, A61F 206

Patent

active

059579722

ABSTRACT:
Autologous and synthetic vascular implants that possess an external monolayer of endothelial cells genetically modified to express at least one of a number of therapeutic agents useful for the inhibition of smooth muscle cell proliferation are provided. In the preferred embodiment of this invention, the endothelial cells coating the implant are genetically-modified to express and secrete the protein interferon-gamma. The use of such an implant in vascular and heart surgeries would substantially increase both the patency of the graft and the rate of surgical success by inhibiting the expansive growth of the vessel or heart lumen in response to surgical damage, which is a major cause of graft failure.

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