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

Figure 2

Apoptosis of A-MSCs as detected by flow cytometry. A-MSCs were stimulated with 0 ng/mL, 10 ng/mL, 20 ng/mL, 50 ng/mL, 100 ng/mL, and 1000 ng/mL PLP for 48 h, and the apoptosis rate of A-MSCs decreased significantly at 50 ng/mL PLP.