Table 1.
Classes | Integration | Advantages | Shortcomings |
---|---|---|---|
NV | no | . nontoxic . large capacity |
. relatively low efficiency . short-term expression |
AdV | no | . high efficiency . large capacity |
. possible replication . immunogenicity/toxicity . short-term expression |
RV/LV | yes | . high efficiency . relatively large capacity . long-term expression |
. possible replication . insertional mutagenesis |
HSV | no | . high efficiency . large capacity |
. possible replication . toxicity . short-term expression |
rAAV | mostly episomal | . high efficiency . long-term expression . low immunogenicity/toxicity |
. difficult to produce . size limitation . serotype specificity |
AdV: adenoviral vectors; HSV: herpes simplex virus vectors; LV: lentiviral vectors; NV: nonviral vectors; rAAV: recombinant adeno-associated virus vectors; RV: retroviral vectors.