CEACAM1 Antibody #5441
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Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 140-160 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
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
CEACAM1 Antibody detects endogenous levels of total CEACAM1 protein.
Species Reactivity:
Human
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ala460 of human CEACAM1 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
CEACAM1 (also known as C-CAM and CD66a) is a member of CEA-related cell-adhesion molecule (CEACAM) subfamily of the carcinoembryonic antigen (CEA) family (1). CEACAM1 is expressed by certain epithelial, endothelial, lymphoid, and myeloid cells. Human CEACAM1 has many different splice variants; the abundance of CEACAM1 and the relative ratio of the different isoforms varies markedly among cell types and may be regulated in a context-dependent fashion. The isoforms with long (L) and short (S) cytoplasmic tails have different signaling properties. Notably, L isoforms contain a functional ITIM (immunoreceptor tyrosine-based inhibitory motif) and several serine and threonine residues that could serve as potential phosphorylation targets. The extracellular domain of CEACAM1 is heavily glycosylated, making its apparent molecular weight during electrophoresis much larger than its predicted size (57.6 kDa) (2). CEACAM1 mediates intercellular adhesion through homo- and heterophilic interaction with other members of the CEACAM family. Studies indicate that CEACAM1 plays important roles in angiogenesis, neovascularization, insulin signaling, T cell signaling, and tumorigenesis (3-8). In addition, CEACAM1 can function as a receptor for several microbial pathogens (9,10).
- Kuespert, K. et al. (2006) Curr Opin Cell Biol 18, 565-71.
- Gray-Owen, S.D. and Blumberg, R.S. (2006) Nat Rev Immunol 6, 433-46.
- Horst, A.K. et al. (2006) J Clin Invest 116, 1596-605.
- Ergün, S. et al. (2000) Mol Cell 5, 311-20.
- Kammerer, R. et al. (2001) J Immunol 166, 6537-44.
- Poy, M.N. et al. (2002) Nat Genet 30, 270-6.
- Hsieh, J.T. et al. (1995) Cancer Res 55, 190-7.
- Leung, N. et al. (2006) Oncogene 25, 5527-36.
- Hemmila, E. et al. (2004) J Virol 78, 10156-65.
- Voges, M. et al. (2010) BMC Microbiol 10, 117.
限制使用
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