ALB and breast cancer: Interestingly, the IC50 (61 μM) of P-HAS/Cur-NPs PD against the MDA-MB-231 cells at 72 h was fourfold less than the IC50 (234 μM) obtained with free Cur which indicates a powerful cytotoxic response of peptide-conjugated Cur-loaded albumin-NPs against the BC cells [101].