ELISA Kit for Interleukin 1 Receptor Type I (IL1R1)

CD121a; CD121-A; IL1-R1; IL1R; IL1RA; P80; CD121 Antigen-Like Family Member A; Interleukin-1 Receptor Alpha

Specificity

This assay has high sensitivity and excellent specificity for detection of Interleukin 1 Receptor Type I (IL1R1).
No significant cross-reactivity or interference between Interleukin 1 Receptor Type I (IL1R1) and analogues was observed.

Recovery

Matrices listed below were spiked with certain level of recombinant Interleukin 1 Receptor Type I (IL1R1) and the recovery rates were calculated by comparing the measured value to the expected amount of Interleukin 1 Receptor Type I (IL1R1) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 98-105 102
EDTA plasma(n=5) 90-97 93
heparin plasma(n=5) 89-98 93

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Interleukin 1 Receptor Type I (IL1R1) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Interleukin 1 Receptor Type I (IL1R1) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%

Linearity

The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Interleukin 1 Receptor Type I (IL1R1) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.

Sample 1:2 1:4 1:8 1:16
serum(n=5) 91-99% 82-90% 90-101% 87-96%
EDTA plasma(n=5) 92-101% 78-101% 82-97% 98-105%
heparin plasma(n=5) 78-101% 99-105% 78-89% 90-99%

Stability

The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.

Reagents and materials provided

Reagents Quantity Reagents Quantity
Pre-coated, ready to use 96-well strip plate 1 Plate sealer for 96 wells 4
Standard 2 Standard Diluent 1×20mL
Detection Reagent A 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.

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Magazine Citations
Clinical & Experimental Immunology In vivo extravasation induces expression of IL-1R1 in human neutrophils Wiley: source
PLos One The Gene Expression Analysis of Blood Reveals S100A11 and AQP9 as Potential Biomarkers of Infective Endocarditis Plosone: 0031490
Journal of Clinical Apheresis Kinetics of the soluble IL-1 receptor type I during treatment with an LCAP filter in patients with inflammatory bowel disease PubMed: 22267087
PLoS ONE A Combinatorial Relative Mass Value Evaluation of Endogenous Bioactive Proteins in Three-Dimensional Cultured Nucleus Pulposus Cells of Herniated Intervertebral Discs: Identification of Potential Target Proteins for Gene Therapeutic Approaches Plosone: Source
中国当代儿科杂志 IL1R1 基因多态性与儿童哮喘的相关性 article:13877
STEM CELLS AND DEVELOPMENT IL-1α regulates osteogenesis and osteoclastic activity of dental follicle cells via JNK and p38 MAPK pathways Pubmed: 33107399
Journal of Integrative Medicine Salvadora persica extract attenuates cyclophosphamide-induced hepatorenal damage by modulating oxidative stress, inflammation and apoptosis in rats Pubmed:35643766
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