Human Normal PB CD4+/CD25+ Regulatory T Cells

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A subpopulation of CD4+ T cells constitutively expresses the IL-2 receptor alpha chain (CD25). These CD4+/CD25+ T cells are regulatory T cells (Tregs), and in charge of regulating the activity of other T cells, usually by suppressing or down regulating the activity of effector T cells, to suppress the immune system to maintain homeostasis and tolerance to self-antigens. So it is formerly known as suppressor T cells. Our Human Normal CD4+/CD25+ regulatory T cells are isolated from peripheral blood mononuclear cells by negative immunomagnetic selection. All peripheral blood is collected in acid-citrate-dextrose formula A (ACDA) by leukapheresis from fully consented IRB approved donors that are tested negative for HIV, HBV and HCV.

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-80°C; liquid nitrogen
For Research Use Only. Not for use in diagnostic procedures.