Ovarian cancer is one of the most prevalent malignancies in women. Harmaline is reported to have powerful anticancer properties. We aimed to investigate the apoptotic and antimetastatic properties of harmaline in A2780 ovarian cancer cells. Cell viability, apoptosis, migration, and invasion were investigated in cells treated with harmaline. Reactive oxygen species (ROS) production, mRNA expression of apoptosis-associated genes, MMP-2, and MMP-9 were measured. Harmaline attenuated the viability of A2780 ovarian cancer cells in a dose- and time-dependent way. Furthermore, compared to NIH/3T3 mouse normal cell line (IC50 = 417 μM), the malignant A2080 cells were more sensitive to harmaline (IC50 = 300 μM after 24 h). Harmaline increased the production of ROS, raised the mRNA expression of p53 and the Bax/Bcl2 ratio. Harmaline also increased the proportion of cells in the late apoptotic and necrotic phases. MMP-2 and MMP-9's mRNA expression, gelatinase activity, and migration of A2780 cells also decreased by harmaline. These findings suggest that harmaline may have the potential to be a therapeutic drug for ovarian cancer by triggering apoptosis and suppressing invasion and migration.
Keywords: Peganum harmala; apoptosis; migration.
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