CHAI Nannan,LI Xiaoyi,LIU Mingxiu,et al.Mechanism of Xuanfu Daizhetang in Alleviating Allergic Asthma by Inhibiting Secretion of Inflammatory Factors[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(17):26-33.
CHAI Nannan,LI Xiaoyi,LIU Mingxiu,et al.Mechanism of Xuanfu Daizhetang in Alleviating Allergic Asthma by Inhibiting Secretion of Inflammatory Factors[J].Chinese Journal of Experimental Traditional Medical Formulae,2023,29(17):26-33. DOI: 10.13422/j.cnki.syfjx.20230603.
Mechanism of Xuanfu Daizhetang in Alleviating Allergic Asthma by Inhibiting Secretion of Inflammatory Factors
To investigate the regulatory effects of Xuanfu Daizhetang on a mouse model of allergic asthma induced by ovalbumin (OVA).
Method
2
Sixty female BALB/c mice (6-8 weeks old, SPF) were randomly divided into groups. Ten mice were assigned to the normal group and given 0.2 mL of saline, while the remaining groups received intraperitoneal injections of Al(OH)
3
at 5 g·L
-1
and OVA at 1 g·L
-1
. The mice were divided into normal group (10 mL·kg
-1
saline), OVA model group (10 mL·kg
-1
saline), dexamethasone group (OVA+DEX, 1 mg·kg
-1
), OVA+ low-dose Xuanfu Daizhetang group (OVA+XL, 7.065 g·kg
-1
), OVA+ medium-dose Xuanfu Daizhetang group (OVA+XM, 14.13 g·kg
-1
), and OVA+ high-dose Xuanfu Daizhetang group (OVA+XH, 28.26 g·kg
-1
). An OVA-induced asthma model was established in mice. Hematoxylin-eosin (HE) and periodic acid-Schiff (PAS) staining methods were used to observe bronchial tissue pathological changes. Enzyme-linked immunosorbent assay (ELISA) was performed to measure the levels of immunoglobulin E (IgE), interleukin-4 (IL-4), IL-5, IL-13, IL-17A, and
γ
interferon (IFN-
γ
) in bronchoalveolar lavage fluid. Western blot was used to detect the phosphorylation of extracellular signal-regulated kinase (ERK), p38 mitogen-activated protein kinase (MAPK), and c-Jun N-terminal kinase (JNK) proteins in lung tissue.
Result
2
Compared with the normal group, the OVA model group showed increased inflammatory cell infiltration in mouse alveoli, elevated levels of IL-4, IL-5, IL-13, IL-17A, IFN-
γ
in bronchoalveolar lavage fluid, and IgE in serum (
P
<
0.05,
P
<
0.01), and promoted phosphorylation of MAPK signaling pathway-related proteins. Compared with the model group, the OVA+XL, OVA+XM, and OVA+XH groups showed reduced inflammatory cell infiltration in mouse alveoli, decreased levels of IL-4, IL-5, IL-13, IL-17A, IFN-
γ
in bronchoalveolar lavage fluid, and IgE in serum (
P
<
0.05,
P
<
0.01), and inhibited phosphorylation of MAPK signaling pathway-related proteins.
Conclusion
2
The results of this study suggest that Xuanfu Daizhetang has potential anti-allergic asthma activity, providing a theoretical basis for its future clinical application.
关键词
旋覆代赭汤过敏性哮喘气道炎症丝裂原活化蛋白激酶(MAPK)信号通路
Keywords
Xuanfu Daizhetangallergic asthmaairway inflammationmitogen-activated protein kinase (MAPK) signaling pathway
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