Anti-proliferative and anti-invasive effects of garcinol from Garcinia indica on gallbladder carcinoma cells
Garcinol, a natural histone acetyltransferase inhibitor, has been reported to exhibit significant anti-proliferative activity in various cancer cell types. However, no information is available about the anti-cancer effects of garcinol on gallbladder carcinoma cells (GBC). In this study, GBC cells (GBC-SD and NOZ) were treated by garcinol and subjected to Cell Counting Kit-8 (CCK-8), and GBC-SD cells were selected for further transwell chamber assay, quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot analysis. Our results indicated that garcinol could significantly inhibit the growth of GBC cells in a dose- and time-dependent manner. It also inhibited the invasion of GBC-SD cells in a dose-dependent manner. Garcinol treatment decreased the activity of matrix metalloproteinase 2 (MMP2) and MMP9 by the downregulation of mRNA levels, and these two enzymes are critical to tumor invasion. Treatment with garcinol also decreased Stat3 and Akt activation in GBC-SD cells. Taken together, the effects of garcinol on GBC-SD cells may be associated with the suppression of Stat3 and Akt signaling pathways, which may contribute to inhibiting their downstream targets such as mRNA levels of MMP2 and MMP9.
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Document Type: Research Article
Publication date: July 1, 2018
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