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Figure 2 Injection of Myoendothelial Cells Reduces Scar Tissue Formation After Myocardial Infarction

(A) Representative images taken from transverse sections of the left ventricle stained by Masson's trichrome (muscle is stained red, collagen is stained blue). The hearts injected with CD56⁺CD34⁺CD144⁺ cells displayed smaller infarct scar areas than did the control hearts injected with phosphate-buffered saline (PBS) only. Scale bars = 1 mm. (B) Compared with all groups, the CD56⁺CD34⁺CD144⁺ cell-injected hearts had the smallest scar tissue area 2 and 6 weeks after infarction (*p < 0.05, CD56⁺CD34⁺CD144⁺ cells vs. PBS).

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