Figure 4.

The mRNA expression levels of various genes in osteoblasts (Lenti-SIRT7: SIRT7 knockout group; Lenti-con: control group; Mock-Treated: simulation Group (not added with any lentivirus but added with a lentivirus transfer agent). a. RUNX2 gene; b. OSX gene; c. OPN gene; d. COL1A1 gene (*: compared with the control group, P < 0.05)).