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[19] [20] High expression of CD25 is also found on TCR activated conventional T cells (both CD8+ and CD4+ T lymphocytes), where it is considered to be a marker of T cell activation. [21] Additionally, expression of the IL-2 receptor alpha subunit can be found in non-lymphoid tissues such as lungs ( alveolar macrophages ), liver ( Kupffer cells ...
IL-2 binds to the IL-2 receptor, which has three forms, generated by different combinations of three different proteins, often referred to as "chains": α (alpha) (also called IL-2Rα, CD25, or Tac antigen), β (beta) (also called IL-2Rβ, or CD122), and γ (gamma) (also called IL-2Rγ, γ c, common gamma chain, or CD132); these subunits are also parts of receptors for other cytokines.
CD25 deficiency or interleukin 2 receptor alpha deficiency is an immunodeficiency disorder associated with mutations in the interleukin 2 receptor alpha (CD25) (IL2RA) gene. The mutations cause expression of a defective α chain or complete absence thereof, an essential part of high-affinity interleukin-2 (IL-2) receptors.
The interleukin 2 receptor, which is involved in T cell-mediated immune responses, is present in 3 forms with respect to ability to bind interleukin 2. The low affinity form is a monomer of the alpha subunit (also called CD25) and is not involved in signal transduction. The intermediate affinity form consists of a gamma/beta subunit heterodimer ...
As defined by CD4 and CD25 expression, regulatory T cells comprise about 5–10% of the mature CD4 + T cell subpopulation in mice and humans, while about 1–2% of T reg can be measured in whole blood. The additional measurement of cellular expression of FOXP3 protein allowed a more specific analysis of T reg cells (CD4 + CD25 + FOXP3 + cells).
T-cell surface glycoprotein CD1d encoded by the CD1D gene. CD1d-presented lipid antigens activate a special class of T cells, known as natural killer T cells, through the interaction with the T-cell receptor present on NKT membranes CD1e: T-cell surface glycoprotein CD1e is a protein in humans encoded by the CD1E gene. CD2
It is suggested that this property allows IL-15 to be produced by one cell, endocytosed by another cell, and then presented to a third party cell. [7] This receptor is reported to enhance cell proliferation and expression of apoptosis inhibitor BCL2L1/BCL2-XL and BCL2. Multiple alternatively spliced transcript variants of this gene have been ...
Basiliximab is indicated for the prophylaxis of acute organ rejection in de-novo allogeneic renal transplantation. [3] It is to be used concomitantly with ciclosporin for microemulsion- and corticosteroid-based immunosuppression, in people with panel reactive antibodies less than 80%, or in a triple maintenance immunosuppressive regimen containing ciclosporin for microemulsion, corticosteroids ...