Abstract:
ETHNOPHARMACOLOGICAL RELEVANCE:Antrodia camphorata (AC) is well known in Taiwan as a traditional Chinese medicinal fungus. However, the anticancer activity of AC against human HER-2/neu-overexpressing ovarian cancers is poorly understood. MATERIALS AND METHODS:The aim of this study is to investigate whether a submerged fermentation culture of AC can inhibit human ovarian carcinoma cell (SKOV-3) proliferation by suppressing the HER-2/neu signaling pathway. Cell viability, colony formation, DCFH-DA fluorescence microscopy, western blotting, HER-2/neu immunofluorescence imaging, flow cytometry, and TUNEL assays were carried out to determine the anti-cancer effects of AC. RESULTS:MTT and colony formation assays showed that AC induced a dose-dependent reduction in SKOV-3 cell growth. Immunoblot analysis demonstrated that HER-2/neu activity and tyrosine phosphorylation were significantly inhibited by AC. Furthermore, AC treatment significantly inhibited the activation of PI3K/Akt and their downstream effector β-catenin. We also observed that AC caused G2/M arrest mediated by down-regulation of cyclin D1, cyclin A, cyclin B1, and Cdk1 and increased p27 expression. Notably, AC induced apoptosis, which was associated with DNA fragmentation, cytochrome c release, caspase-9/-3 activation, PARP degradation, and Bcl-2/Bax dysregulation. An increase in intracellular reactive oxygen species (ROS) was observed in AC-treated cells, whereas the antioxidant N-acetylcysteine (NAC) prevented AC-induced cell death, HER-2/neu depletion, PI3K/Akt inactivation, and Bcl-2/Bax dysregulation, indicating that AC-induced cell death was mediated by ROS generation. CONCLUSIONS:These results suggest that AC may exert anti-tumor activity against human ovarian carcinoma by suppressing HER-2/neu signaling pathways.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Yang HL,Lin KY,Juan YC,Kumar KJ,Way TD,Shen PC,Chen SC,Hseu YCdoi
10.1016/j.jep.2013.04.023subject
Has Abstractpub_date
2013-06-21 00:00:00pages
254-65issue
1eissn
0378-8741issn
1872-7573pii
S0378-8741(13)00276-6journal_volume
148pub_type
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journal_title:Journal of ethnopharmacology
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journal_title:Journal of ethnopharmacology
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abstract::The provisions for the simplified registration of traditional herbal medicinal products in the European Union were introduced by Directive 2004/24/EC amending Directive 2001/83/EC (Chapter 2a) in 2004. Since implementation in the European member states until December 2012 a total of 1015 registrations (traditional use...
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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abstract:ETHNOPHARMACOLOGICAL RELEVANCE:The dried root of Paeonia lactiflora Pall. (Radix Paeoniae) has been traditionally used to treat various inflammatory diseases in many Asian countries. AIM OF THE STUDY:Cisplatin is a broad-spectrum anticancer drug used in diverse types of cancer. However, muscle wasting is a common side...
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
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更新日期:2010-09-15 00:00:00
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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
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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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更新日期:2011-04-12 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2011-09-01 00:00:00
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journal_title:Journal of ethnopharmacology
pub_type: 杂志文章
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更新日期:2016-04-22 00:00:00
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更新日期:1995-03-01 00:00:00