Y-27632 is a cell-permeable, highly potent and selective inhibitor of Rho-associated, coiled-coil containing protein kinase (ROCK). Increases survival rate of human embryonic stem (hES) cells and iPSC undergoing cryopreservation. Used to reprogram fibroblasts to mature neurons and used as component of growth media for urothelial organoids.

Z-VAD-FMK is a cell-permeable, irreversible pan-caspase inhibitor. Inhibits caspase processing and apoptosis induction in tumor cells.