Product Name:
Human Interleukin 1 Receptor Type Ⅰ (IL-1RⅠ) ELISA Kit
Cat.#:
JL33657
Regulatory Status:
Alternative:
CD121a; CD121-A; IL1-R1; IL1R; IL1RA; P80; CD121 Antigen-Like Family Member A; Interleukin-1 Receptor Alpha
Detection Method:
ELISA
Assay Type:
Sandwich
Detection Range:
0.15-10ng/mL
Sensitivity:
0.09ng/mL
Specificity:
This kit recognizes Human IL-1RⅠ in samples. No significant cross-reactivity or interference between Human IL-1RⅠ and analogues was observed.
Sample Type:
Serum, plasma, tissue homogenates and other biological fluids
Assay Procedure:

Research Area:
Immunology
Product Datasheets
| IL-1RⅠ
Interleukin 1 receptor, type I (IL1R1) also known as CD121a (Cluster of Differentiation 121a), is an interleukin receptor.The protein encoded by this gene is a cytokine receptor that belongs to the interleukin-1 receptor family. This protein is a receptor for interleukin 1 alpha (IL1A), interleukin 1 beta (IL1B), and interleukin 1 receptor antagonist (IL1RA). It is an important mediator involved in many cytokine induced immune and inflammatory responses. This gene along with interleukin 1 receptor, type II (IL1R2), interleukin 1 receptor-like 2 (IL1RL2), and interleukin 1 receptor-like 1 (IL1RL1) form a cytokine receptor gene cluster in a region mapped to chromosome 2q12.| Typical data
As the OD values of the standard curve may vary according to the conditions of the actual assay performance (e.g. operator, pipetting technique, wash technique or temperature effects), the operator should establish a standard curve for each test. Typical standard curve and data are provided below for reference only.Concentration (ng/mL) | 10 | 5 | 2.5 | 1.25 | 0.62 | 0.31 | 0.15 | 0 |
OD | 2.36 | 1.56 | 1.04 | 0.65 | 0.46 | 0.34 | 0.29 | 0.1 |
Corrected OD | 2.26 | 1.46 | 0.94 | 0.55 | 0.36 | 0.24 | 0.19 | - |
| Repeatability
Intra-assay Precision (Precision within an assay):CV% < 10%; Inter-assay Precision (Precision between assays):CV% < 10%| Recovery
The recovery of Human IL-1RⅠ spiked at three different levels in samples throughout the range of the assay was evaluated in various matrices.Sample Type | Range(%) | Average Recovery(%) |
Serum(n=8) | 82-101 | 96 |
Plasma(n=8) | 92-105 | 103 |
Cell Culture Supernates(n=8) | 97-108 | 105 |
| Linearity
Samples were spiked with high concentrations of Human IL-1RⅠ and diluted with Universal Diluent to produce samples with values within the range of the assay.Serum(n=4) | Plasma(n=4) | Cell Culture Supernates(n=4) | ||
1 : 2 | Range (%) | 84-95 | 88-97 | 90-110 |
Average (%) | 92 | 93 | 96 | |
1 : 4 | Range (%) | 89-104 | 87-108 | 105-115 |
Average (%) | 94 | 98 | 109 |






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