It is still able to bind with IL-1 and can be used to treat some diseases as an antagonist of IL-1RI or screen new drugs as a target.

• sIL-1RI能与IL-1结合，作为一种IL-1RI的拮抗剂用于一些疾病的治疗，也可作为靶点用于IL-1RI拮抗剂的筛选。