Human CD31/PECAM-1 Quantikine ELISA Kit

Catalog # Availability Size / Price Qty
DCD310
Control Products Available
Human CD31/PECAM-1 ELISA Cell Culture Supernate/Saliva/Urine Standard Curve
3 Images
Product Details
Procedure
Citations (2)
FAQs
Supplemental Products
Reviews (1)

Human CD31/PECAM-1 Quantikine ELISA Kit Summary

Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Assay Length
4.5 hours
Sample Type & Volume Required Per Well
Cell Culture Supernates (50 uL), Serum (50 uL), EDTA Plasma (50 uL), Heparin Plasma (50 uL), Saliva (50 uL), Urine (50 uL)
Sensitivity
0.078 ng/mL
Assay Range
0.3 - 20 ng/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Saliva, Urine)
Specificity
Natural and recombinant human CD31.
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.

Product Summary

The Quantikine Human CD31/PECAM-1 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure human CD31 in cell culture supernates, serum, plasma, saliva, and urine. It contains CHO cell-expressed recombinant human CD31 and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human CD31 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 CD31.

Recovery

The recovery of human CD31 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 96-112
EDTA Plasma (n=4) 100 97-106
Heparin Plasma (n=4) 101 94-108
Serum (n=4) 104 100-107

Linearity

To assess the linearity of the assay, samples containing and/or spiked with high concentrations of human CD31 were diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Human CD31/PECAM-1 ELISA Linearity

Scientific Data

Human CD31/PECAM-1 ELISA Cell Culture Supernate/Saliva/Urine Standard Curve

Human CD31/PECAM-1 ELISA Serum/Plasma Standard Curve

Product Datasheets

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Preparation and Storage

Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: CD31/PECAM-1

CD31/PECAM-1 is a heavily glycosylated transmembrane homophilic adhesion protein that is highly expressed on endothelial cells and at a lower level on platelets, granulocytes, macrophages, dendritic cells, T and B cells, and NK cells. It is required for the transepithelial migration of leukocytes. CD31 signaling increases the activation threshold of T cells and inhibits dendritic cell development. The extracellular domain of CD31 is released during endothelial cell apoptosis. This fragment circulates in the serum of patients suffering from myocardial infarction, acute ischaemic stroke, and multiple sclerosis, conditions that involve tissue damage and endothelial cell apoptosis.

Long Name:
Platelet Endothelial Cell Adhesion Molecule 1
Entrez Gene IDs:
5175 (Human); 18613 (Mouse); 29583 (Rat)
Alternate Names:
adhesion molecule; CD31 antigen; CD31; CD31/EndoCAM; EndoCAM; FLJ34100; FLJ58394; GPIIA'; PECA1; PECAM1; PECAM-1; PECAM-1, CD31/EndoCAM; platelet endothelial cell adhesion molecule; platelet endothelial cell adhesion molecule-1; platelet/endothelial cell adhesion molecule
&#9888; 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.

Assay Procedure

Refer to the product for complete assay procedure.

Bring all reagents and samples to room temperature before use. It is recommended that all samples, standards, and controls be assayed in duplicate.
  1.   Prepare all reagents, standard dilutions, and samples as directed in the product insert.
  2.   Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal.

  3. 100 µL Assay Diluent
  4.   Add 100 µL of Assay Diluent to each well.

  5. 50 µL Standard, Control, or Sample
  6.   Add 50 µL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 2 hours on a horizontal orbital microplate shaker.
  7.   Aspirate each well and wash, repeating the process 3 times for a total of 4 washes.

  8. 200 µL Conjugate
  9.   Add 200 µL of Conjugate to each well. Cover with a new plate sealer, and incubate at room temperature for 2 hours on the shaker.
  10.   Aspirate and wash 4 times.

  11. 200 µL Substrate Solution
  12.   Add 200 µL Substrate Solution to each well. Incubate at room temperature for 30 minutes on the benchtop. PROTECT FROM LIGHT.

  13. 50 µL Stop Solution
  14.   Add 50 µL of Stop Solution to each well. Read at 450 nm within 30 minutes. Set wavelength correction to 540 nm or 570 nm.

Citations for Human CD31/PECAM-1 Quantikine ELISA Kit

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. IL-11 system participates in pulmonary artery remodeling and hypertension in pulmonary fibrosis
    Authors: J Milara, I Roger, P Montero, E Artigues, J Escrivá, J Cortijo
    Respiratory Research, 2022-11-15;23(1):313.
    Species: Human
    Sample Types: Serum
  2. A preliminary study of pamidronic acid downregulation of angiogenic factors IGF-1/PECAM-1 expression in circulating level in bone metastatic breast cancer patients
    Authors: Zeng Wang
    Onco Targets Ther, 2016-05-26;9(0):3147-52.
    Species: Human
    Sample Types: Serum

FAQs

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Human CD31/PECAM-1 Quantikine ELISA Kit
By Anonymous on 11/22/2021
Sample Tested: crispr-cell line,floxp-cell line