Preparation and Storage
Background: IL-15 R alpha
IL-15 Ra (Interleukin 15 Receptor alpha), also known as CD215, is a transmembrane glycoprotein that plays an important role in NK and CD8+ memory T cell homeostasis and activation. It transmits IL-15 induced signals and additionally interacts with a complex of IL-2 R beta and the common gamma chain (gammaC) which are also subunits of the IL-2 receptor complex. In transpresentation, IL-15/IL-15 Ra complexes are expressed on the surface of one cell and interact with complexes of IL-2 R beta/gammaC on adjacent cells. IL-15/IL-15 Ra complexes can transmit reverse signaling that promotes adhesion and activation of the IL-15/IL-15 Ra expressing cells. Shed soluble forms of IL-15 Ra retain the ability to bind tightly to IL-15 and can inhibit IL-15 bioactivity.
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Long Name:
Interleukin 15 Receptor alpha
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Entrez Gene IDs:
3601 (Human); 16169 (Mouse)
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Alternate Names:
CD215 antigen; CD215; IL-15 R alpha; IL-15 receptor subunit alpha; IL15R alpha; IL15RA; IL-15Ra; IL-15R-alpha; interleukin 15 receptor, alpha; interleukin-15 receptor subunit alpha; MGC104179