Table 1 Characteristics of human umbilical cord mesenchymal stem cells for treatments
Quality parameters | Results (n = 4 a) |
|---|---|
Cell surface markers | |
 HLA-DR, mean ± SD (%) | 1.0 ± 0.2 |
 CD79a/ CD19, mean ± SD (%) | 0.8 ± 0.2 |
 CD45, mean ± SD (%) | 1.5 ± 0.3 |
 CD34, mean ± SD (%) | 1.3 ± 0.4 |
 CD14, mean ± SD (%) | 1.1 ± 0.3 |
 CD105, mean ± SD (%) | 98.4 ± 0.3 |
 CD90, mean ± SD (%) | 98.7 ± 0.6 |
 CD73, mean ± SD (%) | 97.3 ± 0.4 |
 Viability rate, mean ± SD (%) | 98.2 ± 0.3 |
 Cell count, cells/ ml | (2.1 ± 0.1) × 107 |
Pathogen tests | |
 Anaerobic bacteria | Negative |
 Aerobic bacteria | Negative |
 Fungi | Negative |
 Cytomegalovirus | Negative |
 Human T-cell leukemia virus | Negative |
 Mycoplasma | Negative |
 Endotoxin |  < 0.5 EU/ ml |