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

，PO是PPO系统的关键成分之一，它是以原形式PPO存在于昆虫体内，具有MPO和DPO两种活性。

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.

髓氧化物作为一种白细胞,具有介导炎性反应、调节免疫应答等多种功能,并可参与疾病的发生发。