Table 1: Summary of proteins reprogramming methods.

Cell typesProteinsVectorsCulture time with proteinsCulture time without proteinsUse of VPAReferences

Mouse embryonic fibroblasts (MEF)Oct4, Sox2, Klf4, (c-Myc)11ROvernight (12 hours)36 hoursY[20]
Human newborn fibroblasts (HNF)Oct4, Sox2, Klf4, c-Myc9R16 hours6 daysN[21]
Human foreskin fibroblast (HFF)Oct4, Sox2, Klf4, c-Myc, (Nanog)TAT2 hours48 hoursY[26]