ERBB2 and breast cancer: Hoang et al. [54] designed 31 nm block copolymer micelles (BCMs) labeled with indium-111 (111In) and the HER2-specific antibodies trastuzumab (Herceptin, TmAb-Fab) and NLS peptide (CGYGPKKKRKVGG) to directly target the nucleus of HER2-overexpressing breast cancer cells.