obsolete activation of pro-apoptotic gene products true activation of pro-apoptotic gene products biological_process This term was made obsolete because more specific terms were created. Additionally, the meaning of the term is ambiguous (some gene products may be involved in apoptosis, or not, depending on cell type, tissue, condition). induction of pro-apoptotic gene products GO:0008633 OBSOLETE. The conversion of proteins that induce or sustain apoptosis to an active form.