natural killer cell activation involved in immune response +
natural killer cell differentiation involved in immune response +
natural killer cell proliferation involved in immune response +
negative regulation of T cell activation +
positive regulation of T cell activation +
regulation of T cell activation +
T cell activation involved in immune response +
The change in morphology and behavior of a mature or immature T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific, leading to the initiation or perpetuation of an immune response.