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tupistra yunnanensis/cancro
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Pagina 1 a partire dal 18 risultati
Effect of Saponin from Tupistra chinensis Baker on proliferation and apoptosis of ovarian cancer cells by Wnt/β-Catenin pathway
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The present study aimed to investigate the molecular mechanism and the effect of Saponin from Tupistra chinensis Baker (STCB) on the proliferation and apoptosis of ovarian cancer cells. To investigate the inhibitory effect of STCB on the proliferation of ovarian cancer cells, SKOV3 cells were
A spirostanol saponin isolated from Tupistra chinensis Baker simultaneously induces apoptosis and autophagy by regulating the JNK pathway in human gastric cancer cells
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T-17, a bioactive spirostanol saponin extracted from Tupistra chinensis Baker, was previously reported with anti-inflammatory and cytotoxic activities. However, the mechanism underlying of its anti-proliferation activity remains to be elucidated. In this study, we investigated the anti-gastric
[Saponin from Tupistra chinensis Baker inhibits mouse sarcoma S-180 cell proliferation in vitro and implanted solid tumor growth in mice].
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OBJECTIVE
To study the antitumor effect of saponin extracted from Tupistra chinensis Baker (STCB) against mouse sarcoma S-180 cell proliferation in vitro and in vivo and explore the primary mechanism of this effect.
METHODS
Cytotoxic effect of STCB on S-180 cells in vitro was evaluated by MTT
A cytotoxic cardenolide and a saponin from the rhizomes of Tupistra chinensis.
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A new cardenolide tupichinolide (1) and a new steroidal saponin tupichinin A (2), together with seven known compounds, were isolated from the rhizomes of Tupistra chinensis. Their structures were established using spectroscopic analysis and chemical methods. Compound 1 was the first cardenolide
Total saponins of Tupistra chinensis induces apoptosis in A549 cells.
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Tupistra chinensis Baker has been used as a folk remedy in China, and it has been shown to exhibit anti-inflammation, expectorant and anti-bacterial effects. In this study, we report the cytotoxic activity of the total saponins of Tupistra chinensis Baker (TST) against several carcinoma cell lines,
Five new furostanol saponins from the rhizomes of Tupistra chinensis.
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Five new furostanol saponins (1-5), together with three known compounds (6-8) were obtained from the n-butanol soluble fraction of ethanol extract from Tupistra chinensis. Their structures were determined on the basis of chemical methods and spectral data. The isolated compounds were tested in vitro
A pair of diastereoisomeric steroidal saponins from cytotoxic extracts of Tupistra chinensis rhizomes.
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A pair of diastereoisomeric steroidal saponins were obtained from the saponin fraction (SF) of methanol extracts from Tupistra chinensis rhizomes, collected in Shennongjia Forest District, China. Based on the chemical and spectroscopic evidences, their structures were determined as shown in Fig. 1.
Bioactive spirostanol saponins from the rhizome of Tupistra chinensis.
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Phytochemical investigations of the rhizome of Tupistra chinensis led to the isolation of six new spirostanol saponins, one new spirostanol, along with eight known spirostanols. Their chemical structures were elucidated on the basis of spectroscopic and chemical methods, including IR, NMR, MS, and
Five new polyhydroxylated furostanol saponins from the rhizomes of Tupistra chinensis.
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Five new polyhydroxylated furostanol saponins were isolated from the roots and rhizomes of Tupistra chinensis, and their structures were determined as tupistrosides J-N (1-5), together with four known furostanol saponins (6-9), on the basis of physico-chemical properties and spectral analysis. Among
[Study on the anti-endotoxin effect of saponin from Tupistra chinensis].
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OBJECTIVE
To investigate the effect of saponin from Tupistra chinensis Baker (STCB) on lethal toxicity of endotoxin in mice and explore the underlying mechanism.
METHODS
Mouse models of endotoxin-induced death and endotoximia were established by intraperitoneal administration of KM mice with
Steroidal Saponins from the Roots and Rhizomes of Tupistra chinensis.
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Two new furostanol saponins 1-2 and a new spirostanol saponin 3 were isolated together with two known furostanol saponins 4-5 from the roots and rhizomes of Tupistra chinensis. Their structures were characterized as 1β,2β,3β,4β,5β,26-hexahydroxyfurost-20(22), 25(27)-dien-5,26-O-β-d-glucopyranoside
Three spirostanol saponins and a flavane-O-glucoside from the fresh rhizomes of Tupistra chinensis.
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Four new compounds, including three new spirostanol saponins [tupistroside G-I (1-3)] and a new flavane-O-glucoside [tupichiside A (4)], together with ten known compounds, were isolated from the fresh rhizomes of Tupistra chinensis. The structures of the new compounds were elucidated by
Tupisteroide A-C, three new polyhydroxylated steroidal constituents from the roots of Tupistra chinensis.
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Three new steroidal compounds with polyhydroxy groups, tupisteroide A-C (1-3), were obtained from the roots of Tupistra chinensis, together with one known compound (4) that was isolated from this plant for the first time. The structures of tupisteroide A-C were determined on the basis of one- and
Saponin from Tupistra chinensis Bak Inhibits NF-κB Signaling in Sarcoma S-180 Cell Mouse Xenografts.
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This study examined the effect of saponins from Tupistra chinensis Bak (STCB) on the growth of sarcoma S-180 cells in vitro and in mouse xenografts as well as the underlying mechanisms. Cell proliferation was assessed by MTT assay. Cell cycle distribution was determined by flow cytometry. Sarcoma
Three new steroidal saponins from the roots and rhizomes of Rohdea chinensis (Baker) N.Tanaka (synonym Tupistra chinensis Baker).
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Three new steroidal saponins (1-3), together with four known compounds (4-7), were isolated from the roots and rhizomes of Rohdea chinensis Baker, and their structures were determined as (24S, 25
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