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Validated All-in-One™ qPCR Primer for IL15RA(NM_002189.3) Search again
By default, qPCR primer pairs are designed to measure the expression level of the splice variant (accession number) you selected for this gene WITHOUT consideration of other possible variants of this gene. If this gene has multiple variants, and you would like to measure the expression levels of one particular variant, multiple variants, or all variants, please contact us for a custom service project at inquiry@genecopoeia.com.
Validated result:
Summary
The protein encoded by this gene is a cytokine receptor that specifically binds IL15 with high affinity. The receptors of IL15 and IL2 share two subunits, the IL2R beta and IL2R gamma chains. This forms the basis of many overlapping biological activities of IL15 and IL2. The IL2 receptor requires an additional IL2-specific alpha subunit for high affinity IL2 binding. This protein is structurally related to IL2R alpha, but is capable of binding IL15 with high affinity independent of other subunits, which suggests the distinct roles between IL15 and IL2. 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 reported. The full length sequences of only two variants encoding distinct isoforms are available. [provided by RefSeq].
Gene References into function
- In B cell lymphoma lines, IL-15R alpha signals via recruitment of Syk kinase, which then phosphorylates IL-15R alpha and phospholipase C gamma.
- mRNA for IL-15 receptor alpha was constitutively expressed in all tested human fetal brain structures, indicating a role in their development and physiology
- il15 induce anti-tumor immune response
- interleukin-15alpha receptor binds to IL-15 at specific binding sites, one in the B helix and the other in the C helix
- IL-2R alpha, IL-15R alpha, IL-2/15R beta and gamma(c)-subunits, as well as MHC class I and II glycoproteins formed supramolecular receptor clusters in lipid rafts of the T lymphoma line.
- Soluble IL-15R alpha arises from proteolytic shedding of the membrane-anchored receptor. It is an inhibitor of IL-15 binding to the membrane receptor & of IL-15-induced cell proliferation. IL-15R alpha shedding may have major immunoregulatory functions.
- IL-15 is an important mediator of muscle mass response to resistance exercise training in humans and that genetic variation in IL15RA accounts for a significant proportion of the variability in this response.
- A quantitative relationship is established between receptor alpha subunit binding affinity and mitogenic activity for IL-15 and IL-2.
- IL-15R alpha, which bears most of the binding affinity for IL-15, behaves as a potent IL-15 agonist by enhancing its binding and biological effects through the IL-15R beta/gamma heterodimer.
- Study of three-dimensional structure of IL-15 receptor (IL-15R) alpha chain has led to a model of the IL-15.IL-15R alpha complex that reveals involvement of a large network of ionic interactions not observed in other cytokine/cytokine receptor complexes.
- Results show that the biological activity of soluble IL-15 is much improved after interaction with recombinant soluble IL-15Ralpha.
- results confirm that signal transduction via the IL-15R, and hence NK ontogeny, is preferentially retained relative to the IL-7R as gammac expression becomes limiting.
- IL-15 and IL-15Ralpha complex is 10-fold more active than IL-15 alone in stimulating proliferation and survival of memory phenotype CD8 T cells.
- Data show that NK cell survival mediated through the regulatory synapse with human dendritic cells requires IL-15Ralpha.
- We here confirm clustering of IL2Ralpha and IL15Ralpha at the submicron scale. Our single-molecule data reveal that a non-negligible percentage of the receptors are organized as monomers.
- sIL-15Ralpha has a protumor role in cancer
- Interleukin-15 (IL-15) translocation into the endoplasmic reticulum occurs independently of the presence of IL-15 receptor alpha (IL-15R alpha).
- Potential involvement with muscle and bone phenotypes and predictors of metabolic syndrome.
- The soluble IL-15Ralpha sushi domain-IL-15 fusion protein is therefore able to bind and activate both the IL-15Rbeta/gamma and the IL-15Ralpha/beta/gamma receptors.
