Figure 2From: Effects of hypoxic culture conditions on umbilical cord-derived human mesenchymal stem cellsRates of oxygen consumption by UC-derived MSC from all donors (n = 4) at 1.5%, 2.5%, 5% and 21% O 2 . Asterisks indicate statistically significant differences in comparison to the normoxic (21% O2) control (* p < 0.001).Back to article page