Objective To study the expression characteristics of pregnancy-associated plasma protein-A((PAPA-A)),as a serum inflammatory marker,in ruptured plaques,unstable plaques and stable plaques,in order to explore the role of PAPP-A in plaque rupture.

• 目的研究妊娠相关血浆蛋白A(PAPP-A)在破裂斑块、不稳定斑块与稳定斑块中的表达、分布特点,探讨其在斑块破裂中的作用。