权威例句
Human B7-1 (CD80) and B7-2 (CD86) bind with similar avidities but distinct kinetics to CD28 and CTLA-4 receptorsCTLA-4 is a second receptor for the B cell activation antigen B7Chromosome 17 deletions and p53 gene mutations in colorectal carcinomas.Costimulation of antitumor immunity by the B7 counterreceptor for the T lymphocyte molecules CD28 and CTLA-4.Xenogeneic monoclonal antibodies to mouse lymphoid differentiation antigens.Multicolor spectral karyotyping of human chromosomes.The Role of the CD28 Receptor During T Cell Responses to AntigenBinding of the B cell activation antigen B7 to CD28 costimulates T cell proliferation and interleukin 2 mRNA accumulation.Chimeric antibody with specificity to human B cell surface antigenA 39-kDa Protein on Activated Helper T Cells Binds CD40 and Transduces the Signal for Cognate Activation of B Cells