Document Detail

Anti-skin cancer properties of phenolic-rich extract from the pericarp of mangosteen (Garcinia mangostana Linn.).
MedLine Citation:
PMID:  22705325     Owner:  NLM     Status:  Publisher    
Skin cancers are often resistant to conventional chemotherapy. This study examined the anti-skin cancer properties of crude ethanol extract of mangosteen pericarp (MPEE) on human squamous cell carcinoma A-431 and melanoma SK-MEL-28 lines. Significant dose-dependent reduction in% viability was observed for these cell lines, with less effect on human normal skin fibroblast CCD-1064Sk and keratinocyte HaCaT cell lines. Cell distribution in G(1) phase (93%) significantly increased after 10 μg/ml of MPEE versus untreated SK-MEL-28 cells (78%), which was associated with enhanced p21(WAF1) mRNA levels. In A-431 cells, 10 μg/ml MPEE significantly increased the sub G(1) peak (15%) with concomitant decrease in G(1) phase over untreated cells (2%). In A-431 cells, 10 μg/ml MPEE induced an 18% increase in early apoptosis versus untreated cells (2%). This was via caspase activation (15-, 3- and 4-fold increased caspse-3/7, 8, and 9 activities), and disruption of mitochondrial pathways (6-fold decreased mitochondrial membrane potential versus untreated cells). Real-time PCR revealed increased Bax/Bcl-2 ratio and cytochrome c release, and decreased Akt1. Apoptosis was significantly increased after MPEE treatment of SK-MEL-28 cells. Hence, MPEE showed strong anti-skin cancer effect on these two skin cancer cell lines, with potential as an anti-skin cancer agent.
Jing J Wang; Qing H Shi; Wei Zhang; Barbara J S Sanderson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-12
Journal Detail:
Title:  Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association     Volume:  -     ISSN:  1873-6351     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8207483     Medline TA:  Food Chem Toxicol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ltd.
Level 4, Health Science Building, Department of Medical Biotechnology, Flinders Medical Sciences and Technology, School of Medicine, Faculty of Health Science, Flinders University, Registry Road, Bedford Park, Adelaide, Australia, 5042; Level 4, Health Science Building, Flinders Centre for Marine Bioproducts Development (FCMBD), Flinders University, Registry Road, Bedford Park, Adelaide, Australia, 5042.
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