<prompt> Cellular immunity is affected by -CytokinesImmunoglobulinsg-globulinsProstaglandins  <response>: The helper T1 cells produce cytokines, interleukin 2 and interferon gamma which activate macrophage and T cells promoting cell-mediated immunity. It also helps in the destruction of target cells and killing of intracellular pathogens. Reference : Anathanarayan panikers 9th edition, pg no:135 p 