Welcome to Chinese Journal of Clinical Pharmacology and Therapeutics,Today is Chinese

Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2004, Vol. 9 ›› Issue (7): 759-762.

Previous Articles     Next Articles

Research on relationship between interleukin-1 receptor antagonist and airway hyperresponsiveness

CHEN Xue-Qin, ZAO Xia, YANG Jiong, CAO Zuo-Yan   

  1. Department of Anapnea, Renming Hospital, Wuhan University, Wuhan 430060, Hubei, China
  • Received:2004-05-13 Revised:2004-06-04 Online:2004-07-26 Published:2020-11-20

Abstract: AIM: To explore the relationship between interleukin-1receptor antagonist (IL-1ra) and airway hyperresponsiveness (AHR) of asthma.METHODS: The airway responsiveness to inhaled histamine as PC20 was evaluated among the normal guinea pigs, and sensitized with ovalbumine (OA) and challenged 14 days later (athma group), and injected IL-lra 1 mg·kg-1 intravenously 30 minutes before challenged (asthma plus IL-lra group).The numbers of different cells was counted and classified in bronchoalveolar lavage fluid (BALF).RESULTS: The PC20 of the asthma plus IL-1ra group was higher than that of asthma group (P<0.01), and the percentage of the neutrophils (NES) in BALF of the asthma plus IL-1ra group was lower than that of the asthma group (P<0.01).There was a significant correlation between -IgPC20 and the percentage of the NES in BALF in all animals(r=0.68,P<0.001).CONCLSION: IL-1ra can attenuate airway hyperresponsiveness, possibly by decreasing the airway infiltration of neutrophils.

Key words: interleukin-1ra, asthma, airway hyperresponsiveness, neutrophils

CLC Number: