(A) MEF pre-adipocytes lentivirally transduced to overexpress either Fosl2 or GFP were differentiated into adipocytes following overexpression of PPARγ. Seven days after differentiation, mRNA was prepared, and gene expression was assessed by RT-qPCR. Data are shown as mRNA levels relative to cyclophilin expression, expressed as mean ± SEM. *P < 0.05. (B) Calvarial osteoblast precursors were harvested from WT or Fosl2 transgenic mice (Fosl2-tg) and differentiated into adipocytes. At day 0 and day 10 after differentiation, mRNA was prepared, and gene expression was assessed by RT-qPCR. Data are shown as mRNA levels relative to 36B4 expression, expressed as mean ± SEM. *P < 0.05.