The positive frequency of methylation of P16 gene promoter in HPP-CFC of normal contrasts was higher than that of psoriatic patients.

• 正常对照骨髓HPP-CFC P16基因启动子甲基化阳性率较高,而银屑病患者骨髓HPP-CFC P16基因启动子甲基化阳性率低于正常人。