ArticleFrontiers in allergy2026
Long-term Qipian® administration confers resistance to airway inflammation in OVA-induced asthmatic mice.
Article in Frontiers in allergy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Qipian® is an immunomodulatory agent with established short-term benefits in allergic asthma, but its long-term effects remain unclear. This study aimed to investigate its potential to attenuate the development of asthma in a murine model and to elucidate its underlying mechanisms. Methods: Mice received oral Qipian® for 3 months prior to establishment of an ovalbumin (OVA)-induced asthma model. Samples (lung tissues, blood, bronchoalveolar lavage fluid, and feces) were collected. Analyses included quantification of eosinophils, immunoglobulins, and Th1/Th2 cytokines. Lung mucus was assessed via periodic acid-Schiff staining; dendritic cell and regulatory T (Treg) cell populations were characterized by flow cytometry; and gut microbiota was profiled via 16S rDNA sequencing. Asthmatic symptoms were scored concurrently. Results: Long-term Qipian® administration (LTQA) effectively reduced OVA-induced asthmatic symptoms, airway inflammation, inflammatory cell infiltration, and mucus hypersecretion. LTQA restored the Th1/Th2 balance by reducing IL-4, IL-5, and IL-13, while elevating the expression of IFN Conclusion: This study indicates that LTQA may confer resistance to allergic airway inflammation by modulating immune responses and gut microbiota supporting the lung-gut axis as a promising target for novel clinical approaches in asthma management.
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