Journal
MOLECULES
Volume 24, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/molecules24142538
Keywords
Cleistocalyx operculatus; 2 ',4 '-dihydroxy-6 '-methoxy-3 ',5 '-dimethylchalcone (DMC); pPancreatic cancer; PANC-1
Funding
- Vietnam Ministry of Education and Training [YD-01]
- National Research Foundation of Korea [22A20130000169] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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2 ',4 '-Dihydroxy-6'-methoxy-3 ',5 '-dimethylchalcone (DMC), a principal natural chalcone of Cleistocalyx operculatus buds, suppresses the growth of many types of cancer cells. However, the effects of this compound on pancreatic cancer cells have not been evaluated. In our experiments, we explored the effects of this chalcone on two human pancreatic cancer cell lines. A cell proliferation assay revealed that DMC exhibited concentration-dependent cytotoxicity against PANC-1 and MIA PACA2 cells, with IC50 values of 10.5 +/- 0.8 and 12.2 +/- 0.9 mu M, respectively. Treatment of DMC led to the apoptosis of PANC-1 by caspase-3 activation as revealed by annexin-V/propidium iodide double-staining. Western blotting indicated that DMC induced proteolytic activation of caspase-3 and -9, degradation of caspase-3 substrate proteins (including poly[ADP-ribose] polymerase [PARP]), augmented bak protein level, while attenuating the expression of bcl-2 in PANC-1 cells. Taken together, our results provide experimental evidence to support that DMC may serve as a useful chemotherapeutic agent for control of human pancreatic cancer cells.
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