Pyridoxal-5-Phosphate Promotes Immunomodulatory Function of Adipose-Derived Mesenchymal Stem Cells through Indoleamine 2,3-Dioxygenase-1 and TLR4/NF-κB Pathway

Figure 7

Secreted IDO1 and PEG2 levels in the supernatant, as measured by ELISA. (a) IDO1 level increased at 20–50 ng/mL yet decreased at 1000 ng/mL. (b) PGE2 level was not significantly different at each concentration.

(a)

(b)