Pterostilbene Inhibits Pancreatic Cancer
MATERIALS AND METHODS: Two pancreatic cancer cell lines (MIA PaCa and PANC-1) were cultured using standard techniques. Cells were treated with graduated doses of pterostilbene ranging from 10 to 100 microM. Cell viability was measured by MTT at 24, 48, and 72 h.
RESULTS: Pterostilbene decreases cell viability in both cancer cell lines in a concentration- and time-dependent manner. Higher doses (75-100 microM) caused a significant reduction in cell viability at 24 and 48 h. However, by 72 h, all tested concentrations of pterostilbene (10 to 100 microM) resulted in significantly reduced cell viability in both pancreatic cancer cell lines in a dose-dependent fashion. Pterostilbene caused a dose-dependent 10-63% inhibition in MIA PaCa-2 cells and 10-75% inhibition in PANC-1 cells.
DISCUSSION: Treatment of pancreatic cancer cells in vitro with Pterostilbene leads to inhibition of cell proliferation and/or cell death, cell cycle arrrest, mitochondrial membrane depolarization, and activation of effector caspases. This naturally occurring agent may have a role in treating pancreatic cancer.
CONCLUSIONS: Pterostilbene inhibits the growth of pancreatic cancer in vitro. Further, in vitro mechanistic studies and in vivo experiments are warranted to determine its potential for the treatment of pancreatic cancer.
Mannal PW, Alosi JA, Schneider JG, McDonald DE, McFadden DW.
Pterostilbene inhibits pancreatic cancer in vitro.
J Gastrointest Surg.
University of Vermont/Fletcher Allen Health Care, Burlington, VT, USA.