Research Article

Recovery and Biodistribution of Ex Vivo Expanded Human Erythroblasts Injected into NOD/SCID/IL2R 𝜸 n u l l mice

Table 1

Frequency of EBs divided according to their maturation profile at day 10 of HEMA culture seeded with AB and CB MNC and after 4 days of additional culture in EPO alone to induce maturation. The gates used to define the 4 maturation classes used in this study are described in Supplemental Figure 3.

Maturation classesAB MNCCB MNC
Day 10 (%)*Day 4 + EPO (%)Day 10 (%)Day 4 + EPO (%)

Class I ( C D 3 6 h i g h C D 2 3 5 a n e g ) 1 7 . 0 ± 6 . 2 1 . 6 ± 0 . 6 5 3 . 8 ± 8 . 9 1 1 . 9 ± 4 . 8
Class II ( C D 3 6 h i g h C D 2 3 5 a l o w ) 2 1 . 7 ± 4 . 1 9 . 7 ± 1 . 1 2 1 . 5 ± 6 . 5 1 0 . 6 ± 4 . 5
Class III ( C D 3 6 h i g h C D 2 3 5 a h i g h ) 4 9 . 2 ± 2 . 4 5 5 . 1 ± 7 . 4 9 . 1 ± 4 . 6 4 9 . 5 ± 6 . 4
Class IV ( C D 3 6 l o w C D 2 3 5 a h i g h ) 1 . 2 ± 1 . 1 1 5 . 8 ± 4 . 4 0 . 2 ± 0 . 6 1 . 7 ± 1 . 1

*Percentages were calculated with respect to the total cell population present in culture (EBs and non EBs).