ICAM-1 mRNA expression wasfound to be positive before PYM exposure,but ICAM-3 mRNA expression was absent in non-stimulated HVMECs.

• RT-PCR 检测PYM作用HVMECs 6h ICAM-1 mRNA 表达增加,12h ICAM-1 mRNA 表达达到峰值,18h 后逐渐下降,72h mRNA 表达阳性。