Donor | Recipients | ||||
---|---|---|---|---|---|
ELA haplotypes | Target cells | Group | ELA haplotypes | Time-points of sera harvesting | Sera dilution |
ZAR07/ZAR08 | PBLs1 (control) MSC-naïve (unstimulated) MSC-primed (5 ng/ml TNFα and 5 ng/ml IFNγ for 12 h) | Naïve-mismatched: • Injected with MSC-naïve • ELA-mismatched with donor (0/2 haplotypes shared) • N = 4 | ZAR01/ZAR21 ZAR01/ZAR02 ZAR01/ZAR02 ZAR01/ZAR06 | T0 = pre-administration of MSCs T1 = 1 week after 1st MSC administration T2 = 3 weeks after 1st MSC administration (just before 2nd administration) T3 = 1 week after 2nd MSC administration T4 = 90 days after 2nd MSC administration | Neat (no dilution) Dilution 1:2 Dilution 1:16 |
Primed-halfmatched: • Injected with MSC-primed • ELA-halfmatched with donor (1/2 haplotypes shared) • N = 3 | ZAR07a/ZAR09 ZAR07/ZAR10 ZAR07/ZAR14 | ||||
Primed-mismatched: • Injected with MSC-primed • ELA-mismatched with donor (0/2 haplotypes shared) • N = 3 | ZAR03/ZAR12 ZAR03/ZAR16 ZAR09/ZAR13 |