It is interesting that in humans and rats , cortical thymocytes undergoing negative selection can still induce IL-2R alpha expression and even be rescued in vitro , if exogenous IL-2 is provided .
it is interesting that in humans and rats , cortical thymocytes undergoing negative selection can still induce il-2r alpha expression and even be rescued in vitro , if exogenous il-2 is provided .
O O O O O B-multi_cell O B-multi_cell O B-cell_type I-cell_type O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O B-protein_molecule I-protein_molecule O O O