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Biomed Mater. 2009 Jun;4(3):031001. doi: 10.1088/1748-6041/4/3/031001. Epub 2009 Apr 17.

Angiogenic potential of human macrophages on electrospun bioresorbable vascular grafts.

Author information

1
Virginia Commonwealth University, Richmond, VA 23284, USA.

Abstract

The aim of this study was to investigate macrophage interactions with electrospun scaffolds and quantify the expression of key angiogenic growth factors in vitro. This study will further help in evaluating the potential of these electrospun constructs as vascular grafts for tissue repair and regeneration in situ. Human peripheral blood macrophages were seeded in serum free media on electrospun (10 mm) discs of polydioxanone (PDO), elastin and PDO:elastin blends (50:50, 70:30 and 90:10). The growth factor secretion was analyzed by ELISA. Macrophages produced high levels of vascular endothelial growth factor and acidic fibroblast growth factor. Transforming growth factor beta-1 (TGF-beta1) secretion was relatively low and there was negligible production of basic fibroblast growth factor. Therefore, it can be anticipated that these scaffolds will support tissue regeneration and angiogenesis.

PMID:
19372619
DOI:
10.1088/1748-6041/4/3/031001
[Indexed for MEDLINE]

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