cathepsin

例句：

1. 1. Cathepsins are enzymes that break down proteins in the pancreas.
   胰蛋白酶是胰腺中分解蛋白质的酶。
2. 2. The cathepsin gene is responsible for controlling the production of these enzymes.
   胰蛋白酶基因负责控制这些酶的生产。
3. 3. Cathepsins play a crucial role in digestion and can be found in various foods.
   胰蛋白酶在消化过程中起着关键作用，存在于各种食物中。