Table 1 The merit and demerit of three stem cell types
| Â | Differentiation potency | Mutation effects | Ethical and legal issues | Immunogenicity |
|---|---|---|---|---|
ESCs | Pluripotent | None | Yes | Elicits autoimmune response |
ASCs | Multipotent to unipotent | None | None | Low |
iPSCs | Pluripotent | Yes | None | Immune response |