Abstract:
ETHNOPHARMACOLOGICAL RELEVANCE:Astragaloside IV is the primary pure saponin isolated from Astragalus membranaceus, one of the valuable traditional medical herbs. Antifibrotic activities of Astragalus membranaceus have been extensively proved. AIM OF THE STUDY:To investigate the effects of astragaloside IV on hepatic stellate cells (HSCs) and hepatic fibrosis in rats induced by porcine-serum (PS). MATERIALS AND METHODS:Liver fibrosis was induced by PS injection (0.5 ml, twice a week) for 12 weeks. Astragaloside IV (2.0, 4.0 mg kg(-1)) was administered intragastrically. Liver samples were subjected to histological and immunohistochemical studies. In vitro effects of astragaloside IV on primary cultured HSCs were detected by incorporation assays. RESULTS:Astragaloside IV delayed the formation of liver fibrosis and decrease the serum levels of hyaluronic acid (HA), procollagen type III (PCIII) and hydroxyproline (Hyp) content in liver. The levels of transforming growth factor-beta(1) (TGF-beta(1)) in serum and expression in liver were significantly decreased by astragaloside IV. Collagen synthesis and proliferation were significantly inhibited by astragaloside IV (1.5, 3.0, 6.0, 12.0 and 24.0 mg L(-1)) in HSCs. CONCLUSION:The results showed that astragaloside IV displays antifibrotic effects in rats induced by PS, the mechanism by which might be associated with its inhibitory effects on collagen synthesis and proliferation in HSCs.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Liu H,Wei W,Sun WY,Li Xdoi
10.1016/j.jep.2009.01.035subject
Has Abstractpub_date
2009-04-21 00:00:00pages
502-8issue
3eissn
0378-8741issn
1872-7573pii
S0378-8741(09)00045-2journal_volume
122pub_type
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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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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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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
pub_type: 杂志文章
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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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更新日期:2016-08-02 00:00:00
abstract::Preliminary phytochemical screening of the plant Thymus capitatus exhibited the presence of saponins, resins, flavonoids, essential and fixed oils. Aqueous and ethanolic extracts (10-200 mg/ml) as well as saponin, resin and essential oil of the plant (10-5000 micrograms/ml inhibited the growth of several bacteria and ...
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