Active Platelet/Endothelial Cell Adhesion Molecule (PECAM1)
CD31; EndoCAM; GPIIA'; PECA1
- Product No.APA363Hu61
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Buffer FormulationPBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
- Traits Freeze-dried powder
- Purity> 95%
- Isoelectric Point7.1
- ApplicationsCell culture; Activity Assays.
- DownloadInstruction Manual
- UOM 10µg50µg 200µg 1mg 5mg
- FOB
US$ 144
For more details, please contact local distributors! US$ 360 US$ 720 US$ 2160 US$ 5400
ACTIVITY TEST
PECAM-1 (platelet-endothelial cell adhesion molecule-1; also known as CD31) is a 130 kDa type I transmembrane glycoprotein adhesion molecule in the immunoglobulin superfamily. Expression is restricted to cells involved in circulation, especially endothelial cells, platelets, monocytes, neutrophils and lymphocyte subsets. PECAM-1 is concentrated at cell-cell junctions and is required for transendothelial migration (TEM). Besides, Cadherin 5 (CDH5) has been identified as an interactor of PECAM-1, thus a binding ELISA assay was conducted to detect the interaction of recombinant human PECAM-1 and recombinant human CDH5. Briefly, PECAM-1 was diluted serially in PBS with 0.01% BSA (pH 7.4). Duplicate samples of 100μl were then transferred to CDH5-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST and incubated for 1h with anti-PECAM-1 pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody for 1h at 37℃, wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50µL stop solution to the wells and read at 450/630nm immediately. The binding activity of PECAM-1 and CDH5 was shown in Figure 1, the ED50 for this effect is 126.6 ng/mL.
USAGE
Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
STORAGE
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.
STABILITY
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.
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Magazine | Citations |
BioMed research international | Endothelial gene expression and molecular changes in response to radiosurgery in in vitro and in vivo models of cerebral arteriovenous malformations Pubmed: 24199192 |