RESULTS Both collagenase I and elastase markedly degradated the acellular porcine aorta valve in vitro,and collagenase I had a stronger degradation effect than elastase.

• 结果胶原酶和弹性蛋白酶对猪主动脉瓣膜去细胞基质均有较强的降解作用,胶原酶的作用较弹性蛋白酶强。