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Cytokine release of LPS-stimulated macrophages on scaffolds with different fiber orientation and architecture (strand spacing). Released cytokines were measured using supernatants extracted after culturing macrophages on different scaffolds, and they were compared to control TCP over 7 days. (Mean ± SD, n = 3). *p < 0.05; **p < 0.01, ***p < 0.001.
