With the increase of stimulation concentration and time of Ox LDL, the AP 1 activity was elevated accordingly. The level of AP 1 activity was the highest when GMCs were stimulated by Ox LDL 50 mg/L, 8h.

• 随着Ox LDL刺激浓度增加和时间的延长 ,GMC内AP 1活性相应增强 ,5 0mg/L的Ox LDL刺激 8h时 ,AP 1活性强度达最高峰 ;