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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/41646
Title: Antiproliferative Activity and Induction of Apoptosis in Human Melanoma Cells by Houttuynia cordata Thunb Extract
Authors: Mongkol Yanarojana
Thamthiwat Nararatwanchai
Sarut Thairat
Salunya Tancharoen
Mae Fah Luang University
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 1-Dec-2017
Citation: Anticancer research. Vol.37, No.12 (2017), 6619-6628
Abstract: Copyright© 2017, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved. BACKGROUND/AIM: To analyze the apoptotic effect of Houttuynia cordata Thunb (HCT) extract on human melanoma A375 cells and its underlying mechanisms.MATERIALS AND METHODS: The effects of HCT on cell death were determined using the MTT assay. Hoechst 33342 staining was conducted to confirm the detection of cell apoptosis. Caspase-3 and caspase-8 mRNA and cleaved protein levels were investigated by RT-PCR and western blotting, respectively. The release of high mobility group box 1 (HMGB1) and phosphorylation of mitogen-activated protein kinase (MAPK) were determined by ELISA.RESULTS: Caspase-3 and caspase-8 specific inhibitors suppressed HCT-induced cell death. HCT increased caspase-3 and caspase-8 mRNA, protein levels, and caspase activities in a concentration- and time-dependent manner. HCT induced MAPK phosphorylation in a time-dependent fashion. Pretreatment of cells with a selective inhibitor of p38 MAPK reduced apoptosis and reversed the levels of HMGB1 release in response to HCT treatment.CONCLUSION: HCT induces A375 programmed cell death by activating the caspase-dependent pathway and by p38 phosphorylation associated with HMGB1 reduction.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85038129645&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/41646
ISSN: 17917530
Appears in Collections:Scopus 2016-2017

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