Piperlongumine selectively kills cancer cells regardless of p53 status without harming normal cells. It binds to and inihbits proteins known to regulate oxidative stress, in particular, Glutathione S-transferase pi 1 (GSTP1).
O4I2 is a potent inducers of Oct3/4. O4I2 showed high activity in enforcing Oct3/4 expression. O4I2 is a new class of small molecules suitable for iPSC generation.