Periodontal ligament(PDL) cells express both OPGL and OPG which suggested that it may mediate alveolar bone metabolism in orthodontic tooth movement by OPG/OPGL system.

• 牙周膜细胞可表达OPG和OPGL,揭示了在正畸牙移动中,牙周膜细胞可能是通过OPG/OPGL系统来调节牙槽骨代谢的。