Table 1. Summary of morphological, self-renewal and vasculogenic properties of cardiac progenitor cell clones.
| Clone | Morphology | Last Passage # | Lineage differentiation | Vasculogenic index | SDF-1 Levels pg/ml | ||
| Cardiac | Smooth muscle | Endo-thelial | |||||
| CL1D | small/round | 48 | − | + | + | 17.80 | 19.09 |
| CL3 | flat/spindle | 23 | + | + | + | 9.11 | 12.85 |
| CL6 | small/round | 10 | + | + | + | ND | ND |
| CL7 | flat/spindle | 49 | + | − | + | ND | ND |
| CL11B | stellate | 60 | + | + | + | 23.96 | 157.82 |
| CL13 | flat/spindle | 38 | + | − | + | 14.50 | 59.40 |
| CL17 | stellate | 15 | + | + | + | 21.92 | 131.57 |
| CL19 | small/round | 17 | + | + | + | ND | ND |
| CL20 | small/round | 15 | + | + | + | 5.90 | 29.96 |
| CL20B | small/round | 50 | + | + | + | 7.91 | 37.50 |
| CL22 | stellate | 15 | + | + | + | 19.40 | 202.61 |
| CL23 | small/round | 15 | + | + | + | 18.19 | 54.12 |
| CL25 | stellate | 11 | + | + | + | ND | ND |
| CL27 | flat/spindle | 14 | + | + | + | ND | ND |
| CL30C1 | flat | 54 | + | + | + | 1.97 | 15.82 |
| CL32 | small/round | 15 | + | + | + | 16.80 | 45.06 |
| CL42A1 | stellate | 41 | + | + | + | 9.82 | 84.91 |
Morphology was assessed by light microscopy and immunocytology. Last passage number: maximum number of passages to date. Vasculogenic index: length x number of tubes formed per high power field in Matrigel at 5 hours. SDF-1 levels were determined by ELISA (see Methods).