Abstract
Two new β-carboline alkaloids, anemonilins A and B (1–2), and two known β-carboline alkaloids, flazine (3) and 4-(9H-β-carbolin-l-yl)-4-oxo-butyric acid (4), were isolated from the roots of Anemone altaica. The structures of the isolated compounds were elucidated with spectroscopic and spectrometric methods (1D and 2DNMR, HRESIMS). Compounds 2 and 4 significantly attenuated the growth inhibition induced by lipopolysaccharide (LPS) in normal rat kidney tubule epithelioid (NRK52e) cells (p < 0.05 or p < 0.01). Furthermore, compound 2 significantly reduced the apoptosis (p < 0.05) and the caspase-3/9 expression of NRK52e cells induced by LPS.
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The data that support the findings of this study are available from the corresponding authors upon reasonable request.
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Acknowledgements
This work was financially supported by the Key Projects for Science and Technology Development of Henan Province, China (No. 172102310537).
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Du, K., Zeng, MN., Wang, YZ. et al. Two new β-carboline alkaloids from the roots of Anemone altaica. J Nat Med 77, 397–402 (2023). https://doi.org/10.1007/s11418-023-01679-w
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DOI: https://doi.org/10.1007/s11418-023-01679-w