Table 4

Reduction of random integration by S-phase synchronization

Targeting Vector
S-phase synchronization
# of cells
G418rcolonies

pHPRT+/-
No
107 cells
564
pHPRT+/-
Yes
107 cells
20

The targeting vector used in this experiment did not contain the SV40 enhancer.

Meehan et al. BMC Biotechnology 2008 8:31   doi:10.1186/1472-6750-8-31