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Human Peripheral Blood CD56+ Natural Killer Cells

Reference: P10596

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Data Sheet

CD56+ NK Cells are isolated from mononuclear cells by negative selection using immunomagnetic cell separation procedures and positive selection using an antibody that targets the CD56 antigen.


Natural Killer Cells (NK cells) are cytotoxic members of the innate immune system. CD56+ NK cells are a major component of the immune system.  CD56+ NK cells play a key role in the rejection of tumors and cells infected by viruses; killing by releasing perforin and granzymes that cause the target cell to die by apoptosis. 

CD56+ NK cells possess a unique ability to illicit an immune response without the presence of immunoglobulins (Ig) and MHC molecules, but simply through the identification of stressed cells, or through the hypothesized “missing self” in which the NK cell senses the downregulation of the surface MHC molecules which usually accompanies certain intracellular infections.

Number of Cells

  • 5 x 106 cells/vial
  • 10 x 106 cells/vial

Related Products/Services

  • P10588: Peripheral Blood Mononuclear Cells
  • P10585: Peripheral Blood CD4+ Helper T Cells
  • P10584: Peripheral Blood CD3+ Pan T Cells

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