A New Biphenanthrene Glucoside with Cytotoxic Activity from Cremastra appendiculata

Liu, Xinqiao; Yuan, Wen-ke; Yuan, Qiao-Yu; Li, Xiaoping; Qin, Bin-Hua

doi:10.1007/s10600-017-1954-y

Chem Nat Compd

2017

DOI: 10.1007/s10600-017-1954-y

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A New Biphenanthrene Glucoside with Cytotoxic Activity from Cremastra appendiculata

Xinqiao Liu

Wen-ke Yuan

Qiao-Yu Yuan

et al.

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2024

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Cited by 1 publication

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Bioactivity-Guided Isolation of Antistroke Compounds from Gymnadenia conopsea (L.) R. Br.

Qin,

Xue,

et al. 2024

Molecules

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A bioactivity-guided separation strategy was used to identify novel antistroke compounds from Gymnadenia conopsea (L.) R. Br., a medicinal plant. As a result, 4 undescribed compounds (1–2, 13, and 17) and 13 known compounds, including 1 new natural product (3), were isolated from G. conopsea. The structures of these compounds were elucidated through comprehensive spectroscopic techniques, such as 1D/2D nuclear magnetic resonance (NMR) spectroscopy, high-resolution electrospray ionization mass spectrometry (HRESIMS), and quantum chemical calculations. An oxygen–glucose deprivation/reoxygenation (OGD/R)-injured rat pheochromocytoma (PC12) cell model was used to evaluate the antistroke effects of the isolates. Compounds 1–2, 10–11, 13–15, and 17 provided varying degrees of protection against OGD/R injury in the PC12 cells at concentrations of 12.5, 25, and 50 µM. Among the tested compounds, compound 17 demonstrated the most potent neuroprotective effect, which was equivalent to that of the positive control drug (edaravone). Then, transcriptomic and bioinformatics analyses were conducted to reveal the regulatory effect of compound 17 on gene expression. In addition, quantitative real-time PCR (qPCR) was performed to verify the results of the transcriptomic and bioinformatics analyses. These results suggest that the in vitro antistroke effect of compound 17 may be associated with the regulation of the Col27a1 gene. Thus, compound 17 is a promising candidate for the development of novel antistroke drugs derived from natural products, and this topic should be further studied.

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Bioactivity-Guided Isolation of Antistroke Compounds from Gymnadenia conopsea (L.) R. Br.

Qin,

Xue,

et al. 2024

Molecules

View full text Add to dashboard Cite

show abstract

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A New Biphenanthrene Glucoside with Cytotoxic Activity from Cremastra appendiculata

Cited by 1 publication

References 6 publications

Bioactivity-Guided Isolation of Antistroke Compounds from Gymnadenia conopsea (L.) R. Br.

Bioactivity-Guided Isolation of Antistroke Compounds from Gymnadenia conopsea (L.) R. Br.

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