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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: J Cell Physiol. 2012 Jul;227(7):2907–2916. doi: 10.1002/jcp.23035

Figure 4.

Figure 4

PGI2-EPC strains promote in vitro angiogenesis. (A) Representative images of tubes formed in native EPCs (control) and PGI2-EPCs (strains 1 and 2) after being seeded on a reduced growth factor–membrane matrix. Scale bar=50 μm. (B) Quantification of tube formation. Total tube length was measured as μm/mm2, n=3; *P<0.05 vs control. (C) Representative images of tube formation in native EPCs in the presence of conditioned medium (CM) from native EPCs (control CM) and PGI2-EPCs (strain 1 and 2 CM). Scale bar=50 μm. (D) Quantification of tube formation. Total tube length was measured as μm/mm2, n=3; *P<0.05 vs control-CM.