Foam cell formation from macrophage is a major cause of atherosclerosis. An efficient macrophage-specific promoter is required for the targeting to macrophages. In this study, we develop a ...

The Lemo21(DE3) strain is derived from the widely used T7 RNAP-based strain BL21(DE3), which harbors the pLemo plasmid (Figure 1).The gene encoding the T7 RNAP is located on the chromosome.