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IL-1RA (human) AlphaLISA Detection Kit, 5,000 Assay Points

The AlphaLISA® immunoassay kit for human IL-1RA enables the detection and quantitation of human Interleukin-1RA in human serum, human plasma, and cell culture supernatants using a homogeneous AlphaLISA assay (no wash steps).

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For research use only. Not for use in diagnostic procedures.

Part Number
Unit Size
List Price
Your Price
100 assay points
446.00 USD
500 assay points
1476.00 USD
5,000 assay points
9700.00 USD
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Detail Information


  • Our 100 assay point kit allows you to run 100 wells in 96-well format, using a 100 µL reaction volume (10 µL of sample).
  • Our 500 assay point kit allows you to run 500 wells in 96-well or 384-well format, using a 50 µL reaction volume (5 µL of sample).
  • Our 5,000 assay point kit allows you to run 5,000 wells in 96-well or 384-well format, using a 50 µL reaction volume (5 µL of sample).


  • No-wash steps, no separation steps
  • ELISA alternative technology
  • Sensitive detection
  • Broad sample compatibility
  • Small sample volume
  • Results in less than 3 hours
  • Half the time of an ELISA assay

Interleukin-1 Receptor Antagonist (IL1RA) is a member of the interleukin-1 cytokine family. Immune, epithelial, and adipose cells secrete IL1RA which will bind to the interleukin-1 receptor and inhibit pro-inflammatory signaling through IL-1α and IL-1β. Studies have shown that IL1RA plays a key role in suppressing the pro-inflammatory effects of IL-1 in diseases like rheumatoid arthritis. Additionally, it has been observed that IL1RA may play an important role in diseases like osteoporosis where IL1RA levels are suppressed compared to controls. Furthermore, it has been observed that IL-1 cytokines are abundantly present at tumor sites and the addition of IL1RA can suppress growth of IL-1 producing tumors.

AlphaLISA technology allows the detection of molecules of interest in a no-wash, highly sensitive, quantitative assay. In an AlphaLISA assay, a biotinylated anti-analyte antibody binds to the Streptavidin-coated Donor beads while another anti-analyte antibody is conjugated to AlphaLISA Acceptor beads. In the presence of the analyte, the beads come into close proximity. The excitation of the Donor beads causes the release of singlet oxygen molecules that triggers a cascade of energy transfer in the Acceptor beads, resulting in a sharp peak of light emission at 615 nm.


Assay Target IL-1RA
Assay Target Class Cytokine
Automation Compatible Yes
Detection Method Alpha
Experimental Type In vitro
Product Brand Name AlphaLISA
Shipping Condition Blue Ice
Target Species Human
Therapeutic Area Inflammation
Unit Size 5,000 assay points