Background— Cathepsin K (CatK), a potent elastinolytic and collagenolytic cysteine protease, likely participates in the evolution and destabilization of atherosclerotic plaques.

组织白酶K，一种强有力原半胱氨酸白酶，可能参粥样硬化斑块演化及斑块不稳定有联系。