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Keywords = Glochidion puberum

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Article
Glochodpurnoid B from Glochidion puberum Induces Endoplasmic Reticulum Stress-Mediated Apoptosis in Colorectal Cancer Cells
by Yang Tian, Runzhu Fan, Zhao Yin, Yongping Huang, Dong Huang, Fangyu Yuan, Aiping Yin, Guihua Tang, Rong Pu and Sheng Yin
Molecules 2023, 28(2), 511; https://doi.org/10.3390/molecules28020511 - 4 Jan 2023
Cited by 4 | Viewed by 2772
Abstract
Glochidpurnoids A and B (1 and 2), two new coumaroyl or feruloyl oleananes, along with 17 known triterpenoids (319) were obtained from the stems and twigs of Glochidion puberum. Their structures were elucidated by extensive spectroscopic [...] Read more.
Glochidpurnoids A and B (1 and 2), two new coumaroyl or feruloyl oleananes, along with 17 known triterpenoids (319) were obtained from the stems and twigs of Glochidion puberum. Their structures were elucidated by extensive spectroscopic data analyses, chemical methods, and single crystal X-ray diffraction. All compounds were screened for cytotoxicity against the colorectal cancer cell line HCT-116, and 2, 3, 5, 6, 11, and 17 showed remarkable inhibitory activities (IC50: 0.80–2.99 μM), being more active than the positive control 5-fluorouracil (5-FU). The mechanistic study of 2, the most potent compound, showed that it could induce endoplasmic reticulum (ER) stress-mediated apoptosis and improve the sensitivity of HCT-116 cells to 5-FU. Full article
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