Figure 2.

SIRT7 knockout effect of BMMSCs in the 3rd and 9th generation (a: Western blot electrophoresis; b, c: mRNA and protein levels of SIRT7 in the 3rd generation after transfection; d, e: mRNA and protein levels of SIRT7 in the 9th generation after transfection. Lenti-SIRT7: SIRT7 knockout group; Lenti-Con: control group; Mock-Treated: simulation group (not added with any lentivirus but added with a lentivirus transfection agent). (*: compared with control group, P < 0.05)).