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，一种强有力的溶胶氨酸白酶，与动脉粥样硬化斑块的演化及与斑块不稳定有联系。