1.Of the system, P0 is one of the important components; it has twoactivities, MPO and DPO, and exists as proenzyme PPO in the insect.

1.其，PO是PPO系统的关键成分之一，它是以酶原形式PPO存在于昆虫体内，具有MPO和DPO两种酶活。

2.As an important leucoprotease,myeloperoxidase (MPO) has many effects in mediating inflammation,regulating immune response and so on,which also takes part in the genesis and development of diseases.

2.髓过氧化物酶作为一种白细胞酶,具有介导炎反应、调节免疫应答等多种,可参与疾病的发生发展过程。