There are 3 main types of T cells: cytotoxic, helper, and regulatory. Each of them has a different role in the immune response. Cytotoxic T cells (CD8+) Cytotoxic T cells (Tc cells) have a co-receptor called CD8 on their cell surface. CD8 partners with the T cell receptor and with MHC class I molecules, acting as a sort of bridge. This … Read More