Tag Archives: cd4 activate cd8

How do CD4 T cells activate CD8 T cells?

CD4 T cells activate CD8 T cells through an indirect process involving an antigen presenting cell (APC), normally a conventional dendritic cell (DC). An APC presents a peptide to a naive CD4 T cell via a Class II MHC molecule. The CD4 T cell becomes active and differentiates into a T helper 1 (Th1) cell… Read More »