Damage of fine particulate is through oxidant stress, inflammation and neurogenic inflammation and so on, but the detail of the mechanism for them is lacking.

• 免疫毒性的作用机制可能通过氧化、炎症刺激和神经性炎症反应等有关,但具体致病机制仍不清楚,有必要从整体上研究颗粒物的毒性及其作用机制。