also , in the specimens , in which leu 1+ cells and leu m5+ cells infiltrate , simultaneous detection of leu 2a , leu 3a + 3b , or leu m5 and hla-dr , was performed by double immunofluorescence staining to analyze the t cell activation and antigen-present macrophage ( m phi ) .
C1155065
t cell activation
C0003320
antigen