Research Report
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Sep 28, 2014; 20(36): 13119-13126
Published online Sep 28, 2014. doi: 10.3748/wjg.v20.i36.13119
Figure 8
Figure 8 Schematic drawings of the integrating component of retrovitral vector SSR#69 before and after cre-recombination. SSR#69 contains hygromycin B resistance gene (Hyg R) as a positive selectable marker and the herpes simplex virus thymidine kinase gene (HSV-TK) as a negative selectable marker. The SV40T, Hyg R and HSV-TK genes are flanked by two LoxP sites.