fritillaria imperialis/leukemia

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Differentiation-inducing effects of verticinone, an isosteroidal alkaloid isolated from the bulbus of Fritillaria ussuriensis, on human promyelocytic leukemia HL-60 cells.

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The inducer of differentiation of human promyelocytic leukemia HL-60 cells is commonly accepted to have potential therapeutic importance. Verticinone, one of the major isosteroidal alkaloids from the bulbus of Fritillaria ussuriensis, was found to inhibit the growth of HL-60 cells by inducing these

Steroidal glycosides from the bulbs of Fritillaria meleagris and their cytotoxic activities.

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Steroidal glycosides (1-18), including 10 new compounds (1-10), were isolated from the bulbs of Fritillaria meleagris (Liliaceae). The structures of the new compounds were determined by two-dimensional (2D) NMR analysis, and by hydrolytic cleavage followed by spectroscopic and chromatographic

Sex dependent pharmacokinetics, tissue distribution and excretion of peimine and peiminine in rats assessed by liquid chromatography-tandem mass spectrometry.

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BACKGROUND Fritillaria thunbergii Miq. has been traditionally used in China as antitussive and expectorant herbs, and newly used in the clinical treatment of leukemia in recent years. OBJECTIVE To investigate whether gender exerted a significant influence on the pharmacokinetics, tissue distribution

Mechanistic studies of the transport of peimine in the Caco-2 cell model.

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Fritillaria thunbergii Miq. has been widely used in traditional Chinese medicine for its expectorant, antitussive, antiinflammatory and analgesic properties. Moreover, modern pharmacological studies have demonstrated that F. thunbergii Miq. has efficacy in the treatment of leukemia and cancers of

Verticinone induces cell cycle arrest and apoptosis in immortalized and malignant human oral keratinocytes.

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Although verticinone, a major alkaloid isolated from the bulbus of Fritillaria ussuriensis, has been shown to induce differentiation in human leukemia cells, the exact mechanism of this action is not completely understood in cancer cells. Verticinone was used to conduct growth and apoptosis-related

Steroidal alkaloids from the bulbs of Fritillaria puqiensis.

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Four new steroidal alkaloids, puqienine A (1), puqienine B (2), N-demethylpuqietinone (3), and puqietinonoside (4), along with a known steroidal alkaloid, puqietinone, were isolated from the bulbs of Fritillaria puqiensis. The structures of these compounds were elucidated on the basis of

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