关键词: 癌症, 治疗, 单克隆抗体

Abstract: Abstract:Currently，except surgical treatment，we have not found a reliable method of treatment． CTLA － 4 and PD － 1 are two kinds of protein which are produced by T cells． They can puts the brakes on T cells，preventing them from launching full-out immune attacks． By using the monoclonal antibodies of these two protein，the blockerthe CTLA － 4 molecule can be blocked and set the immune system free to destroy cancer． In addition，a personalized treatment that involves genetically modifying a patient’s T cells can make them target tumor cells． It can be used in cancer treatment and is very potential． In this article will make a brief discuss of the above two methods and provide a reference of research in this yield．

Key words: cancer, treatment, monoclonal antibody