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Differentiation of adMSCs into pericytes after 7 days in vitro. PDGFRβ was expressed by some cells, but only very few cells expressed αSMA, and even fewer (if any) desmin. The arrows indicate adMSCs expressing pericyte markers (PDGFRβ+ and αSMA+) and colocalized with ECs (GFP+). Scale bar is 50 μm. The circle highlights one individual module within the larger microtissue. Color images available online at www.liebertpub.com/tea
