Effect of Longqincao Spray (LQC) on Relieving Fever and Changing TNF-? Lever / 中华中医药杂志

ABSTRACT

Objective: To observe the effect of LQC on relieving fever in rabbits and the effect on secretion of TNF-?, probe into the correlated mechanism of LQC on pharmacological action and its substance basic of “treating different diseases with the same therapeutic principle”. Method: Rabbit pyrexia model was made by injecting lipopolysacchatide (LPS) into auris edge vein, and alveolar epithelial cell II damnification model was made by adding LPS to culture medium. The change of temperature and TNF-?lever in cell culture supernate were observed before or after using LQC. Result: LQC can resist the temperature rising by LPS, relieve pyrexia reaction, restrain the augment of TNF-?content. Conclusion: The results suggested that LQC possess distinct function of relieving fever, which is likely related to restraining the abnomal augment of TNF-?.