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Erschienen in:

04.01.2024 | Note

Akebia saponin D attenuates allergic airway inflammation through AMPK activation

verfasst von: Lingling Xuan, Song Yang, Lulu Ren, He Liu, Wen Zhang, Yuan Sun, Benshan Xu, Lili Gong, Lihong Liu

Erschienen in: Journal of Natural Medicines | Ausgabe 2/2024

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Abstract

Akebia saponin D (ASD) is a bioactive triterpenoid saponin extracted from Dipsacus asper Wall. ex DC.. This study aimed to investigate the effects of ASD on allergic airway inflammation. Human lung epithelial BEAS-2B cells and bone marrow-derived mast cells (BMMCs) were pretreated with ASD (50, 100 and 200 μΜ) and AMPK activator 5-aminoimidazole-4-carboxamide-1-β-D-ribofuranoside (AICAR) (1 mM), and then stimulated with lipopolysaccharide (LPS) or IL-33. Pretreatment with ASD and AICAR significantly inhibited TNF-α and IL-6 production from BEAS-2B cells, and IL-13 production from BMMCs. Moreover, pretreatment with ASD and AICAR significantly increased p-AMPK expression in BEAS-2B cells. Inhibition of AMPK by siRNA and compound C partly abrogated the suppression effect of ASD on TNF-α, IL-6, and IL-13 production. Asthma murine model was induced by ovalbumin (OVA) challenge and treated with ASD (150 and 300 mg/kg) or AICAR (100 mg/kg). Infiltration of eosinophils, neutrophils, monocytes, and lymphocytes, and production of TNF-α, IL-6, IL-4, and IL-13 were attenuated in ASD and AICAR treated mice. Lung histopathological changes were also ameliorated after ASD and AICAR treatment. Additionally, it showed that treatment with ASD and AICAR increased p-AMPK expression in the lung tissues. In conclusion, ASD exhibited protective effects on allergic airway inflammation through the induction of AMPK activation.
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Metadaten
Titel
Akebia saponin D attenuates allergic airway inflammation through AMPK activation
verfasst von
Lingling Xuan
Song Yang
Lulu Ren
He Liu
Wen Zhang
Yuan Sun
Benshan Xu
Lili Gong
Lihong Liu
Publikationsdatum
04.01.2024
Verlag
Springer Nature Singapore
Erschienen in
Journal of Natural Medicines / Ausgabe 2/2024
Print ISSN: 1340-3443
Elektronische ISSN: 1861-0293
DOI
https://doi.org/10.1007/s11418-023-01762-2