Using Creative Biogene's proprietary lentiviral vectors, we subclone the target gene into lentivector, generate the lentivirus particles, sequentially infect the cell line HEK293 (other cell types are also available according to your requirements), and select the clones constantly expressing target gene at high level. Product Link: http://www.creative-biogene.com/Panoply-Human-XIAP-Over-expressing-Stable-Cell-Line-CSC-SC017567-1252174-15.html