APAF1 and neoplasm: ↓ tumor volume, ↓ PGE2, ↑ PPARγ, ↑ caspase3, ↑ caspase8, ↑ caspase9, ↓ Cyclin D1, ↑ BAD, ↓ Bcl2, ↑ APAF1, ↑ BBC3, ↑ p53