
What are regulatory T cells (Treg) regulating in cancer and why?
Keywords: TGF-β; transforming growth factor beta; nTreg; natural regulatory T cells; iTreg; inducible regulatory T cells; PGE2; prostaglandin E2; COX2; cyclooxygenase 2; TIL; tumor infiltrating lymphocytes; CTL; cytotoxic T lymphocytes; NK cells; natural killer ce