the ready complex formation between `` '' f '' '' alpha 2m and the pleiotropic cytokine il-1 beta suggests a novel biological role for `` '' f '' '' alpha 2m , since `` '' f '' '' alpha 2m-il-1 beta complexes , but not `` '' f '' '' alpha 2m alone , retained il-1-like activity in the thymocyte costimulator bioassay .
C0021753
ha 2m-il-
C0021755
d