| MSC | Availability Easy to isolate and expand Multilineal differentiationImmunosuppressiveBoth of the autograft and allograft are possibleFree from ethical issuesLimited replicative lifespan(safe from malignant formation) | Limited replicative lifespan(alteration of various functions including multipotency) |
| ESC | Pluripotent (can differentiate into almost all types of cells) | Ethical / political issuesRisk of teratoma formation after transplantation |
| iPSC | Pluripotent as ESCsCan be derived from somatic cells | Risk of teratoma formation after transplantation |