Low level of pyruvate kinase M2 (PKM2) activity in cancer cells is essential for the dependence on aerobic glycolysis. Here the authors show that PKM2 sulfhydration by hydrogen sulfide destabilizes the PKM2 tetramer, leading to reduced PKM2 enzyme activity and enhanced proliferation of breast cancer cells.
- Rong-Hsuan Wang
- Pin-Ru Chen
- Kai-Ti Lin