仅用于工业应用或科学研究，不可用于人类或动物的临床诊断或治疗，非药用. Trastuzumab emtansine （Ado-Trastuzumab emtansine） is an antibody-drug conjugate （ADC） that incorporates the HER2-targeted antitumor properties of trastuzumab with the cytotoxic activity of the microtubule-inhibitory agent DM1 （derivative of maytansine）. Trastuzumab emtansine can be used for the research of advanced breast cancer