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Human CellExp ICAM1 /CD54, human recombinant protein
ICAM1, ICAM-1, BB2, BB-2, CD54, CD-54, P3.58
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
| Primary Accession | P05362 |
|---|---|
| Calculated MW | This protein is fused with Fc fragment of human IgG1 at the C-terminus and has a calculated MW of 75.7 kDa expressed. The predicted N-terminus is Gln 27. Protein migrates as 100-110 kDa in reduced SDS-PAGE resulting from glycosylation. |
| Gene ID | 3383 |
|---|---|
| Gene Symbol | ICAM1 |
| Other Names | ICAM1, ICAM-1, BB2, BB-2, CD54, CD-54, P3.58 |
| Gene Source | Human |
| Source | HEK293 cells |
| Assay&Purity | SDS-PAGE; ≥98% |
| Assay2&Purity2 | N/A; |
| Recombinant | Yes |
| Results | Measured by the ability of the immobilized protein to support the adhesion of PMA-stimulated HSB2 human peripheral blood acute lymphoblastic leukemia cells. When 5×104 cells/well are added to rhICAM/Fc Chimera coated plates (12.5 µg/ml with 100 µl/well), >60% will adhere after PMA 1 hour incubation at 37ºC. |
| Target/Specificity | ICAM1 /CD54 |
| Application Notes | Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C. |
| Format | Lyophilized |
| Storage | -20°C; Lyophilized from 0.22 µm filtered solution in 50 mM Tris, 100 mM glycine, pH 7.0. Normally Mannitol or Trehalose is added as protectants before lyophilization. |
Thousands of laboratories across the world have published research that depended on the performance of antibodies from Abcepta to advance their research. Check out links to articles that cite our products in major peer-reviewed journals, organized by research category.
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Provided below are standard protocols that you may find useful for product applications.
Background
Inter-Cellular Adhesion Molecule 1 (ICAM-1), also known as Cluster of Differentiation 54 (CD54), is a member of the immunoglobulin superfamily, and is a cell surface glycoprotein which is typically expressed in low concentrations on endothelial cells and cells of the immune system. The protein encoded by this gene is a type of intercellular adhesion molecule continuously present in low concentrations in the membranes of leukocytes and endothelial cells. Upon cytokine stimulation, the concentrations greatly increase. ICAM-1 can be induced by interleukin-1 (IL-1) and tumor necrosis factor alpha (TNFα) and is expressed by the vascular endothelium, macrophages, and lymphocytes. ICAM-1 is a ligand for LFA-1 (integrin), a receptor found on leukocytes. When activated, leukocytes bind to endothelial cells via ICAM-1/LFA-1 and then transmigrate into tissues. ICAM-1 has been implicated in subarachnoid hemorrhage (SAH). Levels of ICAM-1 are shown to be significantly elevated in patients with SAH over control subjects in many studies. ICAM-1 expressed by respiratory epithelial cells is also the binding site for rhinovirus, the causative agent of most common colds.
References
Simmons D.,et al.Nature 331:624-627(1988).
Staunton D.E.,et al.Cell 52:925-933(1988).
Tomassini J.E.,et al.Proc. Natl. Acad. Sci. U.S.A. 86:4907-4911(1989).
Voraberger G.F.,et al.J. Immunol. 147:2777-2786(1991).
Kalnine N.,et al.Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases.
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