Medical device with coating that promotes endothelial cell adherence and differentiation
申请人:Kutryk Bradley Michael John
公开号:US20070213801A1
公开(公告)日:2007-09-13
Compositions and methods are provided for producing a medical device such as a stent, a stent graft, a synthetic vascular graft, heart valves, coated with a biocompatible matrix which incorporates antibodies, antibody fragments, or small molecules, which recognize, bind to and/or interact with a progenitor cell surface antigen to immobilize the cells at the surface of the device. The coating on the device can also contain a compound or growth factor for promoting the progenitor endothelial cell to accelerate adherence, growth and differentiation of the bound cells into mature and functional endothelial cells on the surface of the device to prevent intimal hyperplasia. Methods for preparing such medical devices, compositions, and methods for treating a mammal with vascular disease such as restenosis, artherosclerosis or other types of vessel obstructions are disclosed.
本发明提供了一种制备医疗器械的组合物和方法,例如支架、支架移植物、合成血管移植物、心脏瓣膜等,这些器械涂覆有生物相容性基质,其中包含抗体、抗体片段或小分子,它们识别、结合和/或与祖细胞表面抗原相互作用,以使细胞固定在器械表面。器械表面的涂层还可以含有化合物或生长因子,以促进祖细胞内皮细胞加速附着、生长和分化成为成熟和功能性内皮细胞,从而防止内膜增生。本发明还公开了制备这种医疗器械的方法、组合物和治疗哺乳动物血管疾病(如再狭窄、动脉粥样硬化或其他类型的血管阻塞)的方法。