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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: J Thorac Cardiovasc Surg. 2017 May 24;154(3):955–963. doi: 10.1016/j.jtcvs.2017.04.081

Figure 2.

Figure 2

(A) The bi-level cell sheet maintained alpha smooth muscle actin (SMA) positive smooth muscle cells (SMCs) and CD31 positive endothelial progenitor cells (EPCs) in separate layers in vitro. Green indicates alpha SMA; red, CD31. White bar = 100 um. (B) Representative images demonstrating von Willebrand factor (vWF) and alpha smooth muscle actin (SMA) staining of border zone myocardium for cell sheet-treated and untreated groups. Green indicates alpha SMA; red, vWF. (C) Quantification of arterial density. Mature artery density was increased in the cell sheet-treated group compared with the untreated group.