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Human sE-Selectin/CD62E Quantikine ELISA Kit

R&D Systems, part of Bio-Techne | Catalog # DSLE00

R&D Systems, part of Bio-Techne
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DSLE00
SSLE00
PDSLE00

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Key Product Details

Assay Length

4.5 hours

Sample Type & Volume Required Per Well

Cell Culture Supernates (50 µL), Serum (10 µL), Heparin Plasma (10 µL), Citrate Plasma (10 µL)

Sensitivity

0.027 ng/mL

Assay Range

0.125-8 ng/mL (Cell Culture Supernates, Serum, Heparin Plasma, Citrate Plasma)

Product Summary for Human sE-Selectin/CD62E Quantikine ELISA Kit

The Quantikine Human sE-Selectin immunoassay is a 4.5 hour solid phase ELISA designed to measure sE-Selectin in cell culture supernates, serum, and plasma. It contains CHO cell-expressed recombinant human sE-Selectin and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human sE-Selectin 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 naturally occurring human sE-Selectin.

Product Specifications

Assay Type

Solid Phase Sandwich ELISA

Format

96-well strip plate

Measurement

Quantitative ELISA

Detection Method

Colorimetric - 450nm (TMB)

Conjugate

HRP

Reactivity

Human

Specificity

Natural and recombinant human sE-Selectin

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 on one plate to assess intra-assay precision.

Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision.

Cell Culture Supernates, Citrate Plasma, Heparin Plasma, Serum

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 40 40 40
Mean (ng/mL) 1.6 2.9 4.7 1.5 2.9 4.6
Standard Deviation 0.11 0.17 0.24 0.11 0.25 0.35
CV% 6.6 5.7 5.2 7.3 8.7 7.7

Recovery for Human sE-Selectin/CD62E Quantikine ELISA Kit

The recovery of sE-Selectin spiked to levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 103 98-110
Citrate Plasma (n=4) 96 85-107
Heparin Plasma (n=4) 94 85-107
Serum (n=4) 96 85-106

Linearity

To assess the linearity of the assay, samples containing and/or spiked with high concentrations of sE-Selectin were serially diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.

Human E-Selectin/CD62E ELISA Linearity

Scientific Data Images for Human sE-Selectin/CD62E Quantikine ELISA Kit

Human E-Selectin/CD62E ELISA Standard Curve

Human E-Selectin/CD62E ELISA 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: E-Selectin/CD62E

The Selectin family is comprised of three members, E-Selectin, L-Selectin, and P-Selectin. E-Selectin [endothelial leukocyte adhesion molecule-1 (ELAM-1), CD62E] is transiently expressed on vascular endothelial cells in response to IL-1 beta and TNF-alpha. The human and rat proteins share approximately 67% amino acid sequence identity. The mouse and rat proteins share approximately 78% amino acid sequence identity. L-Selectin (Leukocyte Selectin, LAM-1, LECAM-1, LECCAM-1, TQ1, Leu-8, MEL-14 antigen, DREG, lymph node homing receptor, CD62L) is expressed constitutively on a wide variety of leukocytes. Two forms of L-Selectin have been reported, apparently arising as a result of post-translational modifications. Human and mouse L-Selectin share 76% amino acid sequence identity. Human P-Selectin (GMP-140, LECAM-3, PADGEM, CD62P) is expressed by activated platelets and endothelial cells. The extracellular domains of human and mouse P-Selectin share approximately 73% amino acid sequence identity.

Alternate Names

CD62E, ELAM1, LECAM2, SELE

Entrez Gene IDs

6401 (Human); 20339 (Mouse); 25544 (Rat); 102143564 (Cynomolgus Monkey)

Gene Symbol

SELE

Additional E-Selectin/CD62E Products

Product Documents for Human sE-Selectin/CD62E 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 sE-Selectin/CD62E Quantikine ELISA Kit

For research use only

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⚠ 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.