Effects of Butylphthalide on airway mucus hypersecretion, IL-13 and TNF-α in asthmatic mice

doi:10.12047/j.cjap.6125.2021.049

Abstract

Abstract: Objective: To investigate the effects of Butylphthalide (NBP) on airway mucus hypersecretion, interleukin-13 (IL-13) and tumor necrosis factor-α (TNF-α) in asthmatic mice. Methods: The mice were randomly divided into control group, asthma group, DEX group and high, medium and low doses of NBP (100, 50, 25 mg/kg) groups (n=12). Ovalbumin (OVA) injection was sensitized on the 1st, 8th, and 15th day of the experiment, and OVA was inhaled on the 22nd day to stimulate for 5 weeks to replicate the asthma model, and 20 mg/kg of NBP was given for intervention before the challenge. Finally, the asthma behavior, the secretion of goblet cells and Mucin 5ac (Muc5ac)were observed, and meanwhile the viscosity of bronchoalveolar lavage fluid (BALF) and the levels of Muc5ac, IL-13 and TNF-α in BALF were measured by ELISA. Results: Compared with the control group, the degree of sneezing, nose scratching and asthma, the proliferation of airway epithelial goblet cells and secretion of Muc5ac in the asthma group were increased significantly (P＜0.01), meanwhile, the viscosity of BALF and the contents of Muc5ac, IL-13 and TNF-α were also increased significantly (P＜0.01). Compared with the asthma group, the above behavioral scores of asthma were decreased significantly (P＜0.01) after the intervention of 25, 50 and 100 mg/kg NBP, as well as the proliferation of airway epithelial goblet cells, secretion of Muc5ac, the viscosity of BALF and the contents of Muc5ac, IL-13 and TNF-α were significantly lower than those of the asthma group (P＜0.05, 0.01). Conclusion: NBP has the effect of anti-asthma by inhibiting mucus hypersecretion, and one of its mechanisms is to alleviate the abnormal expressions of IL-13 and TNF-α.

Key words: Butylphthalide (NBP), asthma, mucus hypersecretion, interleukin-13 (IL-13), tumor necrosis factor-α (TNF-α), mouse

CLC Number:

PANG Ya-rong, DU Yue,WANG Zhi-wang, XI Jian-hong, LI Ji-yang, WEI Ling-xia, DING Mao-peng, CHENG Xiao-li. Effects of Butylphthalide on airway mucus hypersecretion, IL-13 and TNF-α in asthmatic mice[J]. CJAP, 2021, 37(5): 557-560.

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