ArticleFrontiers in immunology2026
Anti-inflammatory effects of 1,8-cineol via NF-κB/COX-2 pathway in BEAS-2B cells and alleviates bronchoconstriction and airway hyperreactivity in ovalbumin sensitized mice.
Article in Frontiers in immunology, 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
Objective: Asthma is a chronic inflammatory airway disease characterized by airway remodeling and hyperresponsiveness, driven in part by TGF-β1-induced epithelial-mesenchymal transition (EMT). The natural compound 1,8-cineol, derived from Methods: Results: 1,8-cineol significantly attenuated airway hyperresponsiveness and reduced EMT markers (α-SMA, N-cadherin) in OVA-sensitized mice, while improving lung compliance. In BEAS-2B cells, it suppressed TGF-β1-induced EMT and migration without cytotoxicity. Mechanistically, 1,8-cineol downregulated NF-κB phosphorylation and COX-2 expression. OVA challenge elevated serum IgE and BALF cytokines (IL-4, IL-13, IL-17), which were mitigated by 1,8-cineol. Conclusions: 1,8-cineol inhibits TGF-β1-driven EMT and airway inflammation by modulating the NF-κB/COX-2 pathway, highlighting its therapeutic potential for asthma.
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