CD4-positive, alpha-beta T cell costimulation
The process of providing, via surface-bound receptor-ligand pairs, a second, antigen-independent, signal in addition to that provided by the T cell receptor to augment CD4-positive, alpha-beta T cell activation.
GO:0031295
T cell costimulation
is_a
GO:2000516
positive regulation of CD4-positive, alpha-beta T cell activation
is_a
CD4-positive, alpha beta T cell costimulation
exact