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Fig. 2 | Stem Cell Research & Therapy

Fig. 2

From: Argon plasma surface modification promotes the therapeutic angiogenesis and tissue formation of tissue-engineered scaffolds in vivo by adipose-derived stem cells

Fig. 2

ELISA analysis of the secretion of the angiogenic factor secreted by the rat adipose-derived stem cells (rADSCs) on the modified scaffolds. a Vascular endothelial growth factor (VEGF), b hepatocyte growth factor (HGF) and c basic fibroblast growth factor (bFGF) secretion by the rADSCs after 7 and 14 days (n = 6). Note that rADSCs on the PRP+PM and PM scaffolds secreted significantly more angiogenic factors including VEGF, HGF and bFGF than those on the PU and PRP scaffolds (p < 0.05). PU unmodified scaffolds, PRP platelet-rich plasma-modified scaffolds, PM argon-modified scaffold, PRP+PM platelet-rich plasma and argon modification. p values, *p< 0.05 and **p< 0.01

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