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  2. Natural killer cell - Wikipedia

    en.wikipedia.org/wiki/Natural_killer_cell

    Natural killer cells, also known as NK cells, are a type of cytotoxic lymphocyte critical to the innate immune system.They are a kind of large granular lymphocytes [1] [2] (LGL), and belong to the rapidly expanding family of known innate lymphoid cells (ILC) and represent 5–20% of all circulating lymphocytes in humans. [3]

  3. Killer-cell immunoglobulin-like receptor - Wikipedia

    en.wikipedia.org/wiki/Killer-cell_immunoglobulin...

    Natural killer (NK) cells are a type of lymphocyte cell involved in the innate immune system's response to viral infection and tumor transformation of host cells. [20] [7] Like T cells, NK cells have many qualities characteristic of the adaptive immune system, including the production of “memory” cells that persist following encounter with antigens and the ability to create a secondary ...

  4. Natural killer T cell - Wikipedia

    en.wikipedia.org/wiki/Natural_killer_T_cell

    Natural killer T (NKT) cells are a heterogeneous group of T cells that share properties of both T cells and natural killer cells. Many of these cells recognize the non-polymorphic CD1d molecule, an antigen-presenting molecule that binds self and foreign lipids and glycolipids. They constitute only approximately 1% of all peripheral blood T ...

  5. Innate immune system - Wikipedia

    en.wikipedia.org/wiki/Innate_immune_system

    The innate leukocytes include: natural killer cells, mast cells, eosinophils, basophils; and the phagocytic cells include macrophages, neutrophils, and dendritic cells, and function within the immune system by identifying and eliminating pathogens that might cause infection. [2]

  6. Lymphocyte - Wikipedia

    en.wikipedia.org/wiki/Lymphocyte

    A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. [1] Lymphocytes include T cells (for cell-mediated and cytotoxic adaptive immunity), B cells (for humoral, antibody-driven adaptive immunity), [2] [3] and innate lymphoid cells (ILCs; "innate T cell-like" cells involved in mucosal immunity and homeostasis), of which natural killer cells are an ...

  7. List of immune cells - Wikipedia

    en.wikipedia.org/wiki/List_of_immune_cells

    Memory T cell: Lymphocyte: T cell: MTC; 8-10 Memorizes the characteristics of the antigens; Triggers an accelerated and robust secondary immune response [4] [18] T helper cell: Lymphocyte: T cell: T h cells; CD4 + cells; CD4-positive cells; 8-10 Aids the activity of other immune cells by releasing cytokines [4] [19] Natural killer T cell ...

  8. Antibody-dependent cellular cytotoxicity - Wikipedia

    en.wikipedia.org/wiki/Antibody-dependent...

    After washing, effector cells expressing Fc receptor CD16 are co-incubated with the antibody-labelled target cells. Effector cells are typically PBMCs (peripheral blood mononuclear cell), of which a small percentage are NK cells (natural killer cell); less often they are purified NK cells themselves. Over the course of a few hours a complex ...

  9. Cell-mediated immunity - Wikipedia

    en.wikipedia.org/wiki/Cell-mediated_immunity

    NKp cells may then be induced to differentiate into natural killer cells by IL-15. CHILp cells may be induced to differentiate into ILC1 cells by IL-15, into ILC2 cells by IL-7 or ILC3 cells by IL-7 as well. [5] [6] T-cell progenitors may differentiate into naïve CD8 + cells or naïve CD4 + cells.