Journal
MOLECULES
Volume 15, Issue 12, Pages 8953-8966Publisher
MDPI
DOI: 10.3390/molecules15128953
Keywords
gamma-mangostin; high-grade brain tumor; antiproliferation; apoptosis; reactive oxygen species
Funding
- Chi Mei Medical Center [97CM-TMU-07]
- Stroke Research Center, Taipei Medical University, Taipei, Taiwan
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Gliomas are a common type of primary brain tumor with glioblastoma multiforme accounting for the majority of human brain tumors. In this paper, high grade human malignant glioblastomas (MGs) including U87 MG and GBM 8401 were used to evaluate the antitumor effects of gamma-mangostin, a xanthone derivative isolated and purified from the hull of the tropical fruit Garcinia mangostana. The gamma-mangostin showed potent antiproliferative activity toward MGs in dose- and time-dependent manners. In addition, flow cytometric analysis of cell morphology in the apoptotic cells revealed an increase in hypodiploid cells in gamma-mangostin treated U87 MG and GBM 8401 cells, while significant enhancement of intracellular peroxide production was detected in the same gamma-mangostin treated cells by DCHDA assay and DiOC(6)(3) stain. gamma-Mangostin induced apoptosis, which in turn mediates cytotoxicity in human MG cells was prevented by the addition of catalase. Naturally derived medicines and herbal therapies are drawing increasing attention in regard or nutrients for brain tumor patients. This has led to gamma-mangostin being identified as a potential leading compound for the development of an anti-brain tumor agent.
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