cd4+ lymphocytes from patients with acute severe asthma showed significant increases in the expression of three surface proteins associated with lymphocyte activation ( interleukin-2 receptor [ il-2r ] , class ii histocompatibility antigen [ hla-dr ] , and `` '' very late activation '' '' antigen [ vla-1 ] ) as compared with those from normal control subjects .
C0039215
cd4
C0019764
hla-dr