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Human IL-22(Interleukin 22) ELISA Kit

Citations(6)Uniprot : Q9GZX6

Cat.No.:E-EL-H0106
Reactivity: Human

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Product Details

Properties

Assay type	Sandwich-ELISA
Format	96T/48T
Assay time	3.5h
Detection range	15.63-1000 pg/mL
Sensitivity	9.38 pg/mL
Sample type &Sample volume	serum, plasma and other biological fluids; 100μL
Specificity	This kit recognizes Human IL-22 in samples. No significant cross-reactivity or interference between Human IL-22 and analogues was observed.
Reproducibility	Both intra-CV and inter-CV are < 10%.
Application	This ELISA kit applies to the in vitro quantitative determination of Human IL-22 concentrations in serum, plasma and other biological fluids.

Test Principle

This ELISA kit uses the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human IL-22. Standards or samples are added to the micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for Human IL-22 and Avidin-Horseradish Peroxidase (HRP) conjugate are added successively to each micro plate well and incubated. Free components are washed away. The substrate solution is added to each well. Only those wells that contain Human IL-22, biotinylated detection antibody and Avidin-HRP conjugate will appear blue in color. The enzyme-substrate reaction is terminated by the addition of stop solution and the color turns yellow. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm ± 2 nm. The OD value is proportional to the concentration of Human IL-22. You can calculate the concentration of Human IL-22 in the samples by comparing the OD of the samples to the standard curve.

Kit components & Storage

An unopened kit can be stored at 2-8℃ for 1 month. If the kit is not supposed to be used within 1 month, store the components separately according to the following conditions once the kit is received.

Item	Specifications	Storage
Micro ELISA Plate(Dismountable)	96T: 8 wells ×12 strips 48T: 8 wells ×6 strips	-20℃, 6 months
Reference Standard	96T: 2 vials 48T: 1 vial
Concentrated Biotinylated Detection Ab (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL
Concentrated HRP Conjugate (100×)	96T: 1 vial, 120 μL 48T: 1 vial, 60 μL	-20℃(Protect from light), 6 months
Reference Standard & Sample Diluent	1 vial, 20 mL	2-8°C, 6 months
Biotinylated Detection Ab Diluent	1 vial, 14 mL
HRP Conjugate Diluent	1 vial, 14 mL
Concentrated Wash Buffer (25×)	1 vial, 30 mL
Substrate Reagent	1 vial, 10 mL	2-8℃(Protect from light)
Stop Solution	1 vial, 10 mL	2-8°C
Plate Sealer	5 pieces
Manual	1 copy
Certificate of Analysis	1 copy

Technical Data

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, mid range and high level Human IL-22 were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, mid range and high level Human IL-22 were tested on 3 different plates, 20 replicates in each plate.

	Intra-assay Precision			Inter-assay Precision
Sample	1	2	3	1	2	3
n	20	20	20	20	20	20
Mean (pg/mL)	47.10	100.19	379.68	46.54	93.89	405.35
Standard deviation	2.77	5.31	20.31	3.12	4.45	20.71
CV (%)	5.88	5.30	5.35	6.70	4.74	5.11

Recovery

The recovery of Human IL-22 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)	90-101	95
EDTA plasma (n=8)	93-108	101
Cell culture media (n=8)	86-97	91

Linearity

Samples were spiked with high concentrations of Human IL-22 and diluted with Reference Standard & Sample Diluent to produce samples with values within the range of the assay.

Target Information

Database Links	SwissProt: Q9GZX6
Synonyms	IL22, IL-D110, IL-TIF, ILTIF, TIFIL-23, TIFa, zcyto18
Research Area	Cancer, Immunology

Assay Procedures

	1. Add 100μL standard or sample to the wells. Incubate for 90 min at 37°C
	2. Discard the liquid, immediately add 100μL Biotinylated Detection Ab working solution to each well. Incubate for 60 min at 37°C
	3. Aspirate and wash the plate for 3 times
	4. Add 100μL HRP conjugate working solution. Incubate for 30 min at 37°C. Aspirate and wash the plate for 5 times
	5. Add 90μL Substrate Reagent. Incubate for 15 min at 37°C
	6. Add 50μL Stop Solution
	7. Read the plate at 450nm immediately. Calculation of the results

Citations

MEDIATORS OF INFLAMMATION (2021) IF: 4.711
The lncRNA H19/miR-766-3p/S1PR3 Axis Contributes to the Hyperproliferation of Keratinocytes and Skin Inflammation in Psoriasis via the AKT/mTOR Pathway

DOI: 10.1155/2021/9991175

PMID: 34992498
Sample: HaCaT cell
BMC Pulmonary Medicine (2021) IF: 3.317
Systemic and local cytokine profile and risk factors for persistent allergic airway inflammation in patients sensitised to house dust mite allergens

DOI: 10.1186/s12890-021-01798-8

PMID: 34930201
Sample: serum,nasal lavage
BMC Pulmonary Medicine (2021) IF: 3.317
Role of IL-22 in persistent allergic airway diseases caused by house dust mite: a pilot study

DOI: 10.1186/s12890-021-01410-z

PMID: 33478443
Sample: Serum,Nasal Lavage Fluid
CYTOKINE (2020) IF: 2.952
Involvement of the cytokine TWEAK in the pathogenesis of psoriasis vulgaris, pustular psoriasis, and erythrodermic psoriasis

DOI: 10.1016/j.cyto.2020.155391

PMID: 33302223
Sample: Serum
JOURNAL OF INVESTIGATIVE SURGERY (2020) IF: 1.685
New Findings on Autoimmune Etiology of Idiopathic Granulomatous Mastitis: Serum IL-17, IL-22 and IL-23 Levels of Patients

DOI: 10.1080/08941939.2020.1725190

Sample: serum
EUROPEAN JOURNAL OF GYNAECOLOGICAL ONCOLOGY (2020) IF: 0.215
Interleukin-22 derived from cervical cancer-associated fibroblasts accelerates senescence of normal fibroblasts and promotes expression of tumorigenesis-related factors in HeLa cells

DOI: 10.31083/j.ejgo.2020.02.4970

Sample: Cell culture supernatant

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