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Sequential drug delivery to modulate macrophage behavior and enhance implant integration

机译:顺序药物递送调节巨噬细胞行为并增强植入物整合

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摘要

Macrophages are major upstream regulators of the inflammatory response to implanted biomaterials. Sequential functions of distinct macrophage phenotypes are essential to the normal tissue repair process, which ideally results in vascularization and integration of implants. Improper timing of Ml or M2 macrophage activation results in dysfunctional healing in the form of chronic inflammation or fibrous encapsulation of the implant. Thus, bi-phasic drug delivery systems that modulate macrophage behavior are an appealing approach to promoting implant integration. In this review, we describe the timing and roles of macrophage phenotypes in healing, then highlight current drug delivery systems designed to sequentially modulate macrophage behavior.
机译:巨噬细胞是植入生物材料的炎症反应的主要上游调节因子。 不同巨噬细胞表型的顺序功能对于正常组织修复过程至关重要,其理想地导致血管化和植入物的整合。 ML或M2巨噬细胞激活的不当时序导致慢性炎症或植入物纤维包封的功能障碍愈合。 因此,调节巨噬细胞行为的双相药物递送系统是促进植入物集成的一种吸引人的方法。 在本综述中,我们描述了巨噬细胞表型在愈合中的时序和作用,然后突出了当前的药物递送系统,旨在顺序调节巨噬细胞行为。

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