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KMID : 1161420220250100963
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Journal of Medicinal Food
2022 Volume.25 No. 10 p.963 ~ p.970
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Inhibitory Effects of Acetyloctadecadienediynoic Acid Isolated from Leaves of Dendropanax morbiferus on Viability and Self-Renewal Activity of Glioma Stem-Like Cells
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Kim Hyun-Jin
Park Young-Shin
Kim Ji-Hee
Moon Jae-Hak
Lee Seong-Soo
Suh Sung-Suk
Jeong Hang-Yeon
Cho Jeong-Yong
Kim Sung-Hak
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Abstract
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Glioblastoma (GBM) is one of the most dangerous brain tumors in humans. The median survival of patients with GBM is <18 months. Glioma stem-like cells (GSCs), a small subpopulation of cells with stem cell-like characteristics found within GBM, are regarded as the main cause of GBM malignancy. Therefore, targeting GSCs presents an important therapeutic strategy for reducing the aggressiveness of tumors. In this study, we examined effects of (9Z,16S)-16-O-acetyl-9,17-octadecadiene-12,14-diynoic acid (AODA), a diacetylenic carboxylic acid isolated from leaves of Dendropanax morbiferus, on viability and self-renewal activity of GSCs. AODA substantially decreased GSC growth, causing apoptotic cell death as assessed by Annexin V/PI staining and morphological alterations by optical diffraction tomography. Interestingly, treatment with AODA suppressed ‘‘stem-like features’’ in vitro by limiting dilution assays and real-time polymerase chain reaction analysis. In addition, Western blotting revealed that AODA treatment decreased expression levels of phosphorylated AKT and phosphorylated ERK in GSC11 cells. Taken together, our results indicate that AODA could be considered a new therapeutic candidate to target GSCs.
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KEYWORD
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AODA, Dendropanax morbifera, Glioblastoma, Glioma stem cell
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