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. TSR-033 is a high affinity human IgG4 antibody targeting LAG-3 （lymphocyte activation gene-3）, a co-receptor associated with impaired T cell function and often co-expressed with PD-1, that enhances T cell function and PD-1 blocking activity in vitro and in vivo. TSR-033 has anti-tumor activity