Siglec-5/Siglec-14 antibody | 1A5
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|Mouse anti Human Siglec-5/Siglec-14 antibody, clone 1A5
recognizes human Siglec-5 (Sialic acid-binding Ig-like lectin 5), otherwise known as CD170, a novel sialic-acid-binding Ig-like lectin, and member of the Ig superfamily, expressed by dendritic cells (DCs), activated macrophages, neutrophils, and cells of the monocyte/myeloid lineage.
Mouse anti Human Siglec-5/Siglec-14 antibody, clone 1A5, is one of several Siglec-5 antibodies which also recognises human Siglec-14 (Angata et al. 2006). Siglec-14 shares an almost identical sequence with Siglec-5 within the first two Ig-like domains, indicating partial gene conversion between these two Siglecs, also evident in other primate species.
Siglec-5 is also related to the myelomonocytic-derived adhesion molecule CD33 (Siglec-3), and mediates sialic-acid dependent binding to cells, as well as acting as an inhibitory receptor in the down-regulation of cell activation.
Structurally, Siglec-5 contains an immunoreceptor tyrosine-based inhibitor motif (ITIM), which plays a part in the modulation of cellular responses, and when phosphorylated, can bind to the SH2 domain of several SH2-containing phosphatases. Siglec-14 is a putative sialic-acid binding adhesion molecule, and member of the Ig superfamily, predominantly expressed in hematopoietic tissues, which has been shown to associate with the activating adapter protein DAP12. Mouse anti Human Siglec-5/Siglec-14 antibody, clone 1A5 cross reacts with Chimpanzee (Jaroenpool et al. 2007).
- Target Species
- Species Cross-Reactivity
Target Species Cross Reactivity Chimpanzee
- N.B. Antibody reactivity and working conditions may vary between species.
- Product Form
- Purified IgG - liquid
- Purified IgG prepared by affinity chromatography on Protein A from tissue culture supernatant
- Buffer Solution
- Phosphate buffered saline
- Preservative Stabilisers
- 0.09% Sodium Azide (NaN3)
- Carrier Free
- Siglec-5-Fc protein, consisting of the full-length extracellular region of human Siglec-5, fused with the Fc region of human IgG1.
- Approx. Protein Concentrations
- IgG concentration 1.0 mg/ml
- For research purposes only
- 12 months from date of despatch
Avoid repeated freezing and thawing as this may denature the antibody. Storage in frost-free freezers is not recommended.
|Application Name||Verified||Min Dilution||Max Dilution|
- Flow Cytometry
- Use 10ul of the suggested working dilution to label 106 cells.
References for Siglec-5/Siglec-14 antibody
Cornish, A.L. et al. (1998) Characterization of siglec-5, a novel glycoprotein expressed on myeloid cells related to CD33.
Blood. 92 (6): 2123-32.
Avril, T. et al. (2005) Siglec-5 (CD170) can mediate inhibitory signaling in the absence of immunoreceptor tyrosine-based inhibitory motif phosphorylation.
J Biol Chem. 280 (20): 19843-51.
Nguyen, D.H. et al. (2006) Loss of Siglec expression on T lymphocytes during human evolution.
Proc Natl Acad Sci U S A. 103 (20): 7765-70.
Jaroenpool, J. et al. (2007) Differences in the constitutive and SIV infection induced expression of Siglecs by hematopoietic cells from non-human primates.
Cell Immunol. 250 (1-2): 91-104.
Angata, T. et al. (2006) Discovery of Siglec-14, a novel sialic acid receptor undergoing concerted evolution with Siglec-5 in primates.
FASEB J. 20: 1964-1973.
Crocker, P.R. (2005) Siglecs in innate immunity.
Curr Opin Pharmacol. 5 (4): 431-7.
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