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Fig. 5 | Stem Cell Research & Therapy

Fig. 5

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

Fig. 5

Angiogenesis analysis of the scaffolds over 12 weeks. a Angiogenesis assessment of the scaffolds treated with platelet-rich plasma (PRP), plasma (PM) and rat adipose-derived stem cells (rADSCs) at 12 weeks as shown by CD31 staining (n = 6). b Quantification of the number of positive CD31 cells at 6 and 12 weeks. Note that PM+ADSC and PM+ADSC+PRP scaffolds have significantly greater vessel numbers than all other scaffolds over the 12 weeks (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 *< 0.05, **p < 0.01 and ***p < 0.001. Arrows illustrate positive CD31 stained vessels

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