ELISA Kit for Interleukin 26 (IL26) Homo sapiens (Human) Sandwich ELISA

AK155

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  • ELISA Kit for Interleukin 26 (IL26) Packages (Simulation)
  • ELISA Kit for Interleukin 26 (IL26) Packages (Simulation)
  • ELISA Kit for Interleukin 26 (IL26) Results demonstration
  • SEB695Hu.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

Matrices listed below were spiked with certain level of recombinant Interleukin 26 (IL26) and the recovery rates were calculated by comparing the measured value to the expected amount of Interleukin 26 (IL26) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 87-95 90
EDTA plasma(n=5) 96-104 101
heparin plasma(n=5) 84-95 91

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Interleukin 26 (IL26) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Interleukin 26 (IL26) 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 26 (IL26) 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) 98-105% 84-103% 79-97% 84-93%
EDTA plasma(n=5) 80-101% 78-89% 91-101% 85-104%
heparin plasma(n=5) 96-105% 78-96% 96-105% 80-91%

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.

ELISA Kit for Interleukin 26 (IL26)

Test principle

The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Interleukin 26 (IL26). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Interleukin 26 (IL26). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Interleukin 26 (IL26), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Interleukin 26 (IL26) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Citations

  • Evaluation of Th17-related cytokines and receptors in multiple sclerosis patients under interferon beta-1 therapyPubMed: 23177721
  • IL26 modulates cytokine response and anti-TNF consumption in Crohn's disease patients with bacterial DNA.pubmed:28879509
  • Increased interleukin-26 expression promotes Th17 and Th2-associated cytokine production by keratinocytes in atopic dermatitisPubmed: 31465744
  • Immunological history governs human stem cell memory CD4 heterogeneity via the Wnt signaling pathwayPubmed: 32041953
  • METHOD OF MANUFACTURING BISPECIFIC ANTIBODIES, BISPECIFIC ANTIBODIES AND THERAPEUTIC USE OF SUCH ANTIBODIES
  • IL20RA signaling enhances stemness and promotes the formation of an immunosuppressive microenvironment in breast cancer33456560

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