CD54/ICAM-1 Antibody #4915
Filter:
- WB
Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 89, 92 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
CD54/ICAM-1 Antibody detects endogenous levels of total CD54 (ICAM-1) protein. The antibody does not cross-react with other IgSF adhesion molecules.
Species Reactivity:
Human
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues of human CD54 (ICAM-1) protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
Intercellular cell adhesion molecule-1 (CD54 or ICAM-1) is a cell surface glycoprotein that belongs to the immunoglobulin superfamily (IgSF) of adhesion molecules. CD54 is expressed at low levels in diverse cell types, and is induced by cytokines (TNF-α, interleukin-1) and bacterial lipopolysaccharide (1). Apical localization of CD54 on endothelial cells (or basolateral localization on epithelial cells) is a prerequisite for leukocyte trafficking through the endothelial (or epithelial) barrier (1). Apical expression of CD54 on epithelial cells mediates pathogen invasion as well as host defense, a pattern also observed in tumors (1). CD54 also functions as a co-stimulator on antigen presenting cells, binding to its receptor LFA-1 (leukocyte function-associated antigen-1) on the surface of T cells during antigen presentation (2). Cross-linking of CD54 or binding to its ligand triggers activation of Src family kinases and the Rho/ROCK pathway (3-7). Phosphorylation on Tyr485 of CD54 is required for its association with SHP-2 (5). SHP-2 seems essential for CD54-induced Src activation (7).
- Hopkins, A.M. et al. (2004) Adv Drug Deliv Rev 56, 763-78.
- Nishibori, M. et al. (2003) J Pharmacol Sci 92, 7-12.
- Holland, J. and Owens, T. (1997) J Biol Chem 272, 9108-12.
- Etienne, S. et al. (1998) J Immunol 161, 5755-61.
- Pluskota, E. et al. (2000) J Biol Chem 275, 30029-36.
- Muro, S. et al. (2003) J Cell Sci 116, 1599-609.
- Wang, Q. et al. (2003) J Biol Chem 278, 47731-43.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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