Figure 2. miR-345-5p repressed 3T3-L1 preadipocytes differentiation. (A) CCK-8 assay of the proliferation of 3T3-L1 cells. (B) Oil Red staining of lipid droplet formation of 3T3-L1 cells at day 0, 4, and 9 during adipocyte differentiation. *P<0.05 versus control group.