Figure 2.

Assessing vascular length. (a) ASCs grown in fibrin hydrogels for 6 days sprouted into vascular network structures that stained positively for CD31. At 0, 2, 4, and 6 days ASCs were transferred to either normoxic or hypoxic pseudo-implantation conditions for a subsequent 6 days. (b) Measurements of total vessel length. Gray lines indicate preimplantation length. *p < 0.05, n = 4. Scale bar = 100 µm.