Abstract:
ETHNOPHARMACOLOGICAL RELEVANCE:The roots of Mirabilis himalaica have been used in Tibetan folk medicine for treatment of uterine cancer, nephritis edematous, renal calculus and arthrodynia. In our previous work, the ethanol extract of roots had shown potent cytotoxicity against human cancer cells. However, no information is available on the antitumor effect of Mirabilis himalaica. The aim of the present study was to investigate the active constituents guided by bioassay and evaluate the related antitumor efficacy in vitro and in vivo. MATERIALS AND METHODS:The active subextract (ethyl acetate) was subjected to successive chemical separation using a combination of silica gel, LH-20 chromatography and semi-preparative HPLC. The structures were determined by spectroscopic analysis techniques such as nuclear magnetic resonance (NMR) and mass spectrometry. Three human cancer cell lines, A549, HepG2 and HeLa were used for in vitro cytotoxicity evaluation of all isolated compounds by MTT-assay. Then, the potent and novel compound mirabijalone E was employed to the mechanism study againstA549 cells. BrdU immunofluorescence, soft agar assay and cell cycle analysis were employed to detect the cell proliferation effects. Annexin V-FITC/PI staining assay was used for examining apoptotic effects. Expression levels of apoptosis-related proteins were determined by western blot assay. in vivo tumorigenic assay was used to evaluate the xenograft tumor growth treated with mirabijalone E. RESULTS:One new rotenoid compound, mirabijalone E, together with eight known rotenoids was isolated from Mirabilis himalaica. Mirabijalone E, 9-O-methyl-inone B, boeravinone C and boeravinone H exhibited cytotoxicity against A 549 and HeLa cells. Further study on mirabijalone E was carried out in vitro and in vivo. Mirabijalone E inhibited A549 cells growth in a time and dose-dependent manner, which arrested cell cycle in S phase. Mechanistically, mirabijalone E treatment resulted in the increase of Bax expression level, the decrease of Bcl-2 level and the activation of caspase-3, which suggested the activation of apoptosis cascades. Consequently, the xenograft treated with mirabijalone E showed markedly suppressed tumor growth. CONCLUSIONS:The result suggested that mirabijalone E, together with active compounds, 9-O-methyl-4-hydroxyboeravinone B, boeravinone C and boeravinone H could be a promising candidate for cancer therapy.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Linghu L,Fan H,Hu Y,Zou Y,Yang P,Lan X,Liao Z,Chen Mdoi
10.1016/j.jep.2014.05.034subject
Has Abstractpub_date
2014-08-08 00:00:00pages
326-33issue
1eissn
0378-8741issn
1872-7573pii
S0378-8741(14)00403-6journal_volume
155pub_type
杂志文章abstract:ETHNOPHARMACOLOGICAL RELEVANCE:Wan-Sheng-Hua-Feng-Dan (WSHFD) is a traditional Chinese medicine used for the treatment of neurological disorders. Cinnabar (HgS) and realgar (As(4)S(4)) are included in WSHFD. Are they remedies or poisons? AIM OF STUDY:To investigate the role of cinnabar and realgar in the protective ef...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2011.12.026
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journal_title:Journal of ethnopharmacology
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更新日期:1990-05-01 00:00:00
abstract:UNLABELLED:The popular medicine Passiflora edulis has been used as a sedative, tranquilizer, against cutaneous inflammatory diseases and intermittent fever. Most of the pharmacological investigations of Passiflora edulis have been addressed to its Central Nervous System activities, such as anxiolytic, anticonvulsant an...
journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章,评审
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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abstract:AIM OF THE STUDY:Sophora flavescens has been used as an antipyretic and analgesic agent. To assess the possible herb-drug interaction, effects of S. flavescens extracts on hepatic cytochrome P450 (P450, CYP) enzymes were studied. MATERIALS AND METHODS:Effects of the extracts prepared by three different pharmaceutical ...
journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2009-12-10 00:00:00
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journal_title:Journal of ethnopharmacology
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更新日期:1979-04-01 00:00:00
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
doi:10.1016/j.jep.2014.03.030
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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pub_type: 杂志文章
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