BCL2 and malignant colon neoplasm: For example, the treatment of the colon cancer cell lines HT-29 and DLD-1 with AOAA increased their sensitivity to 5-fluorouracil (5-FU), lowering cell colony formation, Bcl-2 expression, and viability, while increasing cell S-phase accumulation, apoptosis, cytochrome C release, and Bax expression.