His secret helper, though not an official "apprentice". John's first secret helper, though not an official "apprentice". A dendritic cell that interacts with an already-activated helper T cell can become licensed. Satellites depend on co-infection of a host cell with a helper virus for productive multiplication. DCs present antigen to both helper and cytotoxic T cells. The therapist may see themselves as a facilitator/helper. Chapman worked in the prison as a legal clerk and kitchen helper. These immature dendritic cells are ineffective at presenting antigen to T helper cells. CD4 cells or helper T cells provide protection against different pathogens. Maraviroc works by targeting CCR5, a co-receptor located on human helper T-cells. Santa's Little Helper has fathered several puppies. On surfaces of helper T cells are CD4 receptors, as well as TCRs. During her life she was the faithful helper of my ministry. He allegedly killed fifteen of them with the assistance of one helper. China views itself as a benevolent helper of Africans..