Human Interleukin-15 receptor subunit alpha(IL15RA) ELISA kit

Code CSB-EL011594HU
Size 96T,5×96T,10×96T
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Product Details

Target Name
interleukin 15 receptor, alpha
Alternative Names
AA690181 ELISA Kit; CD215 ELISA Kit; I15RA_HUMAN ELISA Kit; IL 15R alpha ELISA Kit; IL-15 receptor subunit alpha ELISA Kit; IL-15R-alpha ELISA Kit; IL-15RA ELISA Kit; Il15ra ELISA Kit; Interleukin 15 receptor alpha ELISA Kit; Interleukin 15 receptor subunit alpha ELISA Kit; MGC104179 ELISA Kit; sIL-15 receptor subunit alpha ELISA Kit; sIL-15R-alpha ELISA Kit; sIL-15RA ELISA Kit; Soluble interleukin 15 receptor subunit alpha ELISA Kit; Soluble interleukin-15 receptor subunit alpha ELISA Kit
Abbreviation
IL15RA
Uniprot No.
Species
Homo sapiens (Human)
Sample Types
serum, plasma, tissue homogenates
Detection Range
31.25 pg/mL-2000 pg/mL
Sensitivity
7.8 pg/mL
Assay Time
1-5h
Sample Volume
50-100ul
Detection Wavelength
450 nm
Research Area
Immunology
Assay Principle
quantitative
Measurement
Sandwich
Precision
Intra-assay Precision (Precision within an assay): CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV%<10%
Three samples of known concentration were tested in twenty assays to assess.
Linearity
To assess the linearity of the assay, samples were spiked with high concentrations of human IL15RA in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
  Sample Serum(n=4)
1:1 Average % 93
Range % 88-97
1:2 Average % 95
Range % 91-99
1:4 Average % 92
Range % 87-97
1:8 Average % 89
Range % 85-93
Recovery
The recovery of human IL15RA spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample Type Average % Recovery Range
Serum (n=5) 91 88-93
EDTA plasma (n=4) 104 101-108
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/ml OD1 OD2 Average Corrected
2000 2.766 2.844 2.805 2.726
1000 2.243 2.253 2.248 2.169
500 1.348 1.366 1.357 1.278
250 0.771 0.805 0.788 0.709
125 0.352 0.366 0.359 0.280
62.5 0.256 0.277 0.267 0.188
31.25 0.149 0.154 0.152 0.073
0 0.077 0.080 0.079  
Troubleshooting
and FAQs
Storage
Store at 2-8°C. Please refer to protocol.
Lead Time
3-5 working days after you place the order, and it takes another 3-5 days for delivery via DHL or FedEx
Description

This Human IL15RA ELISA Kit was designed for the quantitative measurement of Human IL15RA protein in serum, plasma, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 31.25 pg/mL-2000 pg/mL and the sensitivity is 7.8 pg/mL.

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Target Background

Function
(From Uniprot)
High-affinity receptor for interleukin-15. Can signal both in cis and trans where IL15R from one subset of cells presents IL15 to neighboring IL2RG-expressing cells. In neutrophils, binds and activates kinase SYK in response to IL15 stimulation. In neutrophils, required for IL15-induced phagocytosis in a SYK-dependent manner. Expression of different isoforms may alter or interfere with signal transduction.; Does not bind IL15.; Does not bind IL15.; Does not bind IL15.; Does not bind IL15.
Gene References into Functions
  1. Men with the IL-15Ralpha 1775AA genotype spent more time in light intensity physical activity (39.4 +/- 2.4 hr/week) than men with the CC genotype (28.6 +/- 2.3 hr/week, (p = .009). PMID: 29624921
  2. this study describes variants of splicing of IL-15Ra expressed in intestinal epithelial cells, and identifies those variants with the ability of binding IL-15 and following the secretory pathway, as well as determines if any of these variants are regulated by methylation of DNA PMID: 27794069
  3. significant association of rs2228059 with ossification of the posterior longitudinal ligament of the spine in Chinese Han population PMID: 25387549
  4. Report Il15Ralpha levels in synovial fluid from rheumatoid arthritis patients. PMID: 25879761
  5. NK cell activation in human hantavirus infection explained by virus-induced IL-15/IL15Ralpha expression PMID: 25412359
  6. Coexpression of IL15RA and IL15 was also sufficient to activate peripheral blood mononuclear cells. PMID: 24980552
  7. our study provides strong evidence that the functional IL-15RA rs2228059 A>C polymorphism may contribute to the risk of ESCC. PMID: 24464181
  8. We show that a gene transfer approach using recombinant adenovirus to express IL-15 and IL-15Ralpha in murine TRAMP-C2 prostate or TS/A breast tumors induced antitumor immune responses PMID: 24572789
  9. This present study demonstrated that IL15RA rs2228059 A > C polymorphism might modify Gastric cardiac adenocarcinoma susceptibility PMID: 24696261
  10. The proportion of IL-15Ralpha expression on total leukocytes was much lower for all rheumatic diseases, including Behcet disease, than in healthy controls PMID: 23417200
  11. Single nucleotide polymorphism in IL15RA gene is associated with ER-positive breast cancers only in American women of African ancestry. PMID: 23996684
  12. lower frequencies of IL-15RA-positive T cells in Behcet's disease PMID: 23618691
  13. Epidermal IL-15Ralpha acts as an endogenous antagonist of psoriasiform inflammation in mouse and man. PMID: 24019554
  14. The inflammatory bowel diseases patients have an increased expression of IL-15Ralpha mRNA in the mucosa; expression is localized in B cells, suggesting that IL-15 regulates B-cell functions during bowel inflammation. PMID: 23039249
  15. The expression of IL-15Ralpha on CD8 T cells is required for uncontrolled aggressive lymphoproliferation; none of the IL-15Ralpha(-/-)-IL-15 mice that we followed for more than 2 years developed the fatal disease despite controlled expansion of CD8 T cells PMID: 21304101
  16. IL-15 is produced and secreted only as a heterodimer with IL-15Ralpha. PMID: 22496150
  17. High serum IL-15R alpha is associated with T-cell large granular lymphocyte leukemia. PMID: 22049515
  18. These results suggest that IL15RA polymorphism may be associated with the susceptibility of ossification of the posterior longitudinal ligament in Korean population. PMID: 21689944
  19. Different levels of IL-15 trans-presentation are required for different natural killer (NK) cell developmental events to reach full maturation status PMID: 21715685
  20. broad expression pattern of functional IL-15RA splicing forms and suggests a regulatory role of DNA methylation in IL-15RA transcript Var1 expression in mononuclear cells PMID: 21097393
  21. mRNA for IL-15 receptor alpha was constitutively expressed in all tested human fetal brain structures, indicating a role in their development and physiology PMID: 12114302
  22. interleukin-15alpha receptor binds to IL-15 at specific binding sites, one in the B helix and the other in the C helix PMID: 15039446
  23. 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. PMID: 15265897
  24. 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. PMID: 15531573
  25. 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. PMID: 16377614
  26. Results show that the biological activity of soluble IL-15 is much improved after interaction with recombinant soluble IL-15Ralpha. PMID: 16757567
  27. Data show that NK cell survival mediated through the regulatory synapse with human dendritic cells requires IL-15Ralpha. PMID: 17948125
  28. sIL-15Ralpha has a protumor role in cancer PMID: 18483276
  29. genetic variability of the IL-15 receptor has an important role in body fat composition. PMID: 19309557
  30. IL-15 receptor alpha facilitates the stability and secretion of the IL-15 short signal peptide, a soluble and bioactive isoform. PMID: 19696432

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Subcellular Location
Membrane; Single-pass type I membrane protein. Nucleus membrane; Single-pass type I membrane protein. Cell surface. Note=Mainly found associated with the nuclear membrane.; [Isoform 5]: Endoplasmic reticulum membrane; Single-pass type I membrane protein. Golgi apparatus membrane; Single-pass type I membrane protein. Cytoplasmic vesicle membrane; Single-pass type I membrane protein. Membrane; Single-pass type I membrane protein. Note=Isoform 5, isoform 6, isoform 7 and isoform 8 are associated with endoplasmic reticulum, Golgi and cytoplasmic vesicles, but not with the nuclear membrane.; [Isoform 6]: Endoplasmic reticulum membrane; Single-pass type I membrane protein. Golgi apparatus membrane; Single-pass type I membrane protein. Cytoplasmic vesicle membrane; Single-pass type I membrane protein. Membrane; Single-pass type I membrane protein. Note=Isoform 5, isoform 6, isoform 7 and isoform 8 are associated with endoplasmic reticulum, Golgi and cytoplasmic vesicles, but not with the nuclear membrane.; [Isoform 7]: Endoplasmic reticulum membrane; Single-pass type I membrane protein. Golgi apparatus membrane; Single-pass type I membrane protein. Cytoplasmic vesicle membrane; Single-pass type I membrane protein. Membrane; Single-pass type I membrane protein. Note=Isoform 5, isoform 6, isoform 7 and isoform 8 are associated with endoplasmic reticulum, Golgi and cytoplasmic vesicles, but not with the nuclear membrane.; [Isoform 8]: Endoplasmic reticulum membrane; Single-pass type I membrane protein. Golgi apparatus membrane; Single-pass type I membrane protein. Cytoplasmic vesicle membrane; Single-pass type I membrane protein. Membrane; Single-pass type I membrane protein. Note=Isoform 5, isoform 6, isoform 7 and isoform 8 are associated with endoplasmic reticulum, Golgi and cytoplasmic vesicles, but not with the nuclear membrane.; [Soluble interleukin-15 receptor subunit alpha]: Secreted, extracellular space.
Tissue Specificity
Expressed in neutrophils (at protein level). Expressed in fetal brain with higher expression in the hippocampus and cerebellum than in cortex and thalamus. Higher levels of soluble sIL-15RA form in comparison with membrane-bound forms is present in all br
Database Links

HGNC: 5978

OMIM: 601070

KEGG: hsa:3601

STRING: 9606.ENSP00000369312

UniGene: Hs.445124

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