LPS group animals were received intraperitoneal injections of normal saline at a dose of 50 ml/kg - h for 6 hours and an intraperitoneal injection of 10 mg/kg LPS was applied after the last NS injection.

• LPS组生理盐水50ml/kg·h×6，在末次生理盐水注射后，即向腹腔内注射脂多糖1Omg/kg；