Skip to main content

Human IL-33 Quantikine ELISA Kit Best Seller

R&D Systems, part of Bio-Techne | Catalog # D3300B

R&D Systems, part of Bio-Techne
Catalog #
Availability
Size / Price
Qty
Loading...
D3300B

Control Products Available

Key Product Details

Assay Length

4.0 hours

Sample Type & Volume Required Per Well

Cell Culture Supernates (50 µL), Cell Lysates (10 µL), Tissue Lysates (50 µL), Serum (50 µL), EDTA Plasma (50 µL), Heparin Plasma (50 µL)

Sensitivity

1.51 pg/mL

Assay Range

3.13-200 pg/mL (Cell Culture Supernates, Cell Lysates, Tissue Lysates, Serum, EDTA Plasma, Heparin Plasma)

Product Summary for Human IL-33 Quantikine ELISA Kit

The Quantikine Human IL-33 Immunoassay is a 4.0 hour solid phase ELISA designed to measure IL-33 in cell culture supernates, cell lysates, tissue lysates, serum, and plasma. It contains E. coli-expressed recombinant human IL-33 and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate recombinant human IL-33. Results obtained using natural human IL-33 showed linear curves that were parallel to the standard curves obtained using the Quantikine® kit standards. These results indicate that this kit can be used to determine relative mass values for natural human IL-33.

Product Specifications

Measurement

Quantitative ELISA

Detection Method

Colorimetric - 450nm (TMB)

Conjugate

HRP

Reactivity

Human

Specificity

Natural and recombinant human IL-33.

Cross-reactivity

< 0.5% cross-reactivity observed with available related molecules. < 50% cross-species reactivity observed with species tested.

Interference

No significant interference observed with available related molecules.

Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in twenty separate assays to assess inter-assay precision over one lot of kit components. Assays were performed by at least three technicians.

Cell Culture Supernates, Cell Lysates, EDTA Plasma, Heparin Plasma, Serum, Tissue Lysates

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean (pg/mL) 31.0 59.8 119 31.0 59.5 117
Standard Deviation 1.15 2.72 6.99 1.35 2.60 6.98
CV% 3.7 4.5 5.9 4.4 4.4 6.0

Recovery for Human IL-33 Quantikine ELISA Kit

The recovery of human IL-33 spiked to levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 97 88-107
Cell Lysis Buffer (n=4) 103 86-123
EDTA Plasma (n=4) 91 83-103
Extraction Buffer (1X) (n=2) 103 81-115
Heparin Plasma (n=4) 89 85-95
Serum (n=4) 89 85-96

Linearity

To assess the linearity of the assay, samples containing and/or spiked with high concentrations of human IL-33 were serially diluted with calibrator diluent to produce samples with values within the dynamic range of the assay.

Human IL-33 ELISA Linearity
Human IL-33 ELISA Linearity

Scientific Data Images for Human IL-33 Quantikine ELISA Kit

Human IL-33 ELISA Cell Culture Supernate/Cell Lysate Standard Curve

Human IL-33 ELISA Cell Culture Supernate/Cell Lysate Standard Curve

Human IL-33 ELISA Standard Curve

Human IL-33 ELISA Standard Curve

Human IL-33 ELISA Serum/Plasma Standard Curve

Human IL-33 ELISA Serum/Plasma Standard Curve

Preparation and Storage

Shipping

The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: IL-33

IL-33 (Interleukin-33) is released from physically damaged or necrotic cells. It triggers Th2-biased immune cell activation at sites of inflammation as well as regulatory T cell and M2 macrophage expansion. It additionally induces angiogenesis, promotes tumor cell migration and invasion, limits cardiac myocyte hypertrophy, and limits the development of atherosclerotic plaques. IL-33 signals through a receptor complex composed of ST2 and IL-1 RAcP. IL-1 RAcP also associates with IL-1 RI, IL-1 RII, IL-1 R6, and SCF R/c-kit. Soluble isoforms of ST2 and IL-1 RAcP function as decoy receptors that regulate IL-33 bioactivity.

Long Name

Interleukin 33

Alternate Names

C9orf26, DVS27, IL33, NF-HEV

Entrez Gene IDs

90865 (Human); 77125 (Mouse)

Gene Symbol

IL33

Additional IL-33 Products

Product Documents for Human IL-33 Quantikine ELISA Kit

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human IL-33 Quantikine ELISA Kit

For research use only

Loading...
Loading...
Loading...
Loading...

⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.