Cleavage of both caspase 9 and caspase 3 in Dex-treated Bax−/−Bak1−/−Bim−/−p53−/− T lymphoma cells was much less than in the parental Bax−/−Bak1−/−p53−/− T lymphoma cells (Fig. 5b). The gene discussed is CASP9; the disease is lymphoma.