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.
   其中，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两种酶活性。
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.
   髓过氧化物酶作为一种白细胞酶,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展过程。

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