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The growth of the canine glioblastoma cell line D-GBM and the canine histiocytic sarcoma cell line DH82 is inhibited by the resveratrol oligomers hopeaphenol and r2-viniferin.
MedLine Citation:
PMID:  22882564     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Vineatrol(®) 30 is a grapevine-shoot extract, which contains resveratrol as well as considerable amounts of so-called resveratrol oligomers such as hopeaphenol and r2-viniferin. In this study, we analysed whether the two above-mentioned resveratrol oligomers were able to inhibit the growth of the canine glioblastoma cell line D-GBM and the canine histiocytic sarcoma cell line DH82, compared their potency to inhibit tumour cell growth with that of resveratrol and determined whether the induction of apoptosis via caspase 9 and 3/7 activation underlies the tumour cell growth-inhibiting effect of hopeaphenol and r2-viniferin. Vineatrol(®) 30, resveratrol, hopeaphenol and r2-viniferin inhibited the growth of D-GBM and DH82 cells in a concentration-dependent manner, whereby hopeaphenol and r2-viniferin were more potent than resveratrol itself in inhibiting the growth of the canine tumour cell lines. Moreover, the anti-proliferative effect of both resveratrol oligomers in D-GBM cells is based on their capacity to induce caspase 9 and 3/7 activation.
Authors:
M T Empl; S Macke; P Winterhalter; C Puff; S Lapp; G Stoica; W Baumgärtner; P Steinberg
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-10
Journal Detail:
Title:  Veterinary and comparative oncology     Volume:  9999     ISSN:  1476-5829     ISO Abbreviation:  Vet Comp Oncol     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101185242     Medline TA:  Vet Comp Oncol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
Affiliation:
Institute for Food Toxicology and Analytical Chemistry, University of Veterinary Medicine Hannover, Hannover, Germany.
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