| Code | CSB-E13418h-IS |
| Size | 96T,5×96T,10×96T |
| Price | Request a Quote |
| Trial Size |
24T ELISA Kit Trial Size (Only USD$150/ kit) * Sample kit cost can be deducted as a $30 credit for each 96-assay kit of the same analyte and brand you subsequently purchase within six months until depleted. More details >> Interested in a trial size? Please leave a message below.
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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. | ||||||
To assess the linearity of the assay, samples were spiked with high concentrations of human IL-22 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 % | 90 | ||||
Range % | 85-96 | |||||
1:2 | Average % | 96 | ||||
Range % | 91-103 | |||||
1:4 | Average % | 89 | ||||
Range % | 82-96 | |||||
1:8 | Average % | 93 | ||||
Range % | 89-98 | |||||
The recovery of human IL-22 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) | 100 | 95-106 | ||||
EDTA plasma (n=4) | 92 | 86-97 | ||||
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed. | |||||||
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pg/ml | OD1 | OD2 | Average | Corrected | |||
250 | 3.176 | 3.018 | 3.097 | 2.963 | |||
125 | 2.415 | 2.567 | 2.491 | 2.357 | |||
62.5 | 1.893 | 1.828 | 1.861 | 1.726 | |||
31.25 | 1.417 | 1.429 | 1.423 | 1.289 | |||
15.6 | 0.879 | 0.861 | 0.870 | 0.736 | |||
7.8 | 0.546 | 0.558 | 0.552 | 0.418 | |||
3.9 | 0.377 | 0.384 | 0.381 | 0.247 | |||
0 | 0.138 | 0.130 | 0.134 |
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This ELISA kit provides quantitative measurement of interleukin-22 (IL-22) in human samples, supporting research into mucosal immunity, tissue repair, and barrier defense. Because IL-22 is produced by a restricted subset of immune cells — primarily Th22, Th17, and ILC3 populations — and acts on non-hematopoietic epithelial targets, detecting it requires an assay calibrated for the low concentrations typical of both circulation and conditioned media from these relatively rare effector populations.
Detection Range: The 3.9–250 pg/mL range aligns with reported serum IL-22 concentrations in healthy individuals (typically <20 pg/mL) and the elevated levels observed in psoriasis, inflammatory bowel disease, and hepatitis (often 50–200 pg/mL), minimizing the need for sample dilution in most clinical and in vitro contexts.
Sensitivity: At 0.98 pg/mL, the assay detects IL-22 in low-abundance settings such as unstimulated PBMC supernatants or early-phase mucosal inflammation samples where IL-22 induction is just beginning.
Sample Compatibility: Validation across serum, plasma, tissue homogenates, and cell culture supernatants (50–100 µL) enables researchers to correlate circulating IL-22 with local tissue expression and in vitro ILC3 or Th17 polarization outputs within a single experimental framework.
Assay Efficiency: The 1–5 hour protocol and low sample volume accommodate studies using sorted innate lymphoid cells or limited biopsy-derived homogenates where material is scarce.
This kit is particularly suited for studies of psoriasis pathogenesis, IBD mucosal healing mechanisms, and hepatoprotective IL-22 signaling.
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