MeSH definition : A membrane bound member of the TNF superfamily that is expressed on activated B-LYMPHOCYTES;
MACROPHAGES; and DENDRITIC CELLS. The ligand is specific for the 4-1BB RECEPTOR and
may play a role in inducing the proliferation of activated peripheral blood T-LYMPHOCYTES.;
A membrane bound member of the TNF superfamily that is expressed on activated B-LYMPHOCYTES;
MACROPHAGES; and DENDRITIC CELLS. The ligand is specific for the 4-1BB RECEPTOR and
may play a role in inducing the proliferation of activated peripheral blood T-LYMPHOCYTES.