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

组织蛋白酶K，一种强有力的溶胶原半胱氨酸蛋白酶，可能参与动脉粥样硬化斑块的演化及与斑块不稳定有联系。