Table E.
Reprogramming vectors
| Approach | Strengths | Limitations |
|---|---|---|
| Integrative virus | Easy to make. Viral transduction efficiency. | Random integration can lead to gene disruption and tumorigenesis. Recombination can result in infectious virus. Mosaic protein expression. |
| DNA-based vectors (e.g. episomes) | Cytoplasmic location reduces probability of integration | Any DNA-based vector can possibly lead to random integration and tumorigenesis |
| Non-integrating RNA virus (e.g. Sendai virus) | No genomic integration can occur. Viral transduction efficiency. | Making a virus with controllable infection is difficult and the technique has not been proven to be 100% effective. Mosaic protein expression |
| Self replicating mRNA | No genomic integration can occur. No infectious particles are generated. Footprint free. Equimolar expression of many proteins possible. Presence of the vector can be easily controlled with B18R. | Transfection of mRNA is less efficient than transduction. Interferon response must be mitigated. |