|Other Names||Sialic acid-binding Ig-like lectin 8, Siglec-8, Sialoadhesin family member 2, SAF-2, SIGLEC8, SAF2|
|Target/Specificity||The synthetic peptide sequence used to generate the antibody AP1626a was selected from the N-term region of human SIGLEC8 . A 10 to 100 fold molar excess to antibody is recommended. Precise conditions should be optimized for a particular assay.|
|Format||The synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml deionized water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Function||Putative adhesion molecule that mediates sialic-acid dependent binding to cells. Preferentially binds to alpha-2,3- linked sialic acid. Also binds to alpha-2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface.|
|Cellular Location||Membrane; Single-pass type I membrane protein|
|Tissue Location||Expressed specifically on eosinophils.|
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SIGLEC8 is a putative adhesion molecule that mediates sialic-acid dependent binding to cells. It preferentially binds to alpha2,3-linked sialic acid. and also binds to alpha2,6-linked sialic acid. The sialic acid recognition site may be masked by cis interactions with sialic acids on the same cell surface. SIGLEC8 is expressed specifically on eosinophils. The protein contains 1 copy of a cytoplasmic motif that is referred to as the immunoreceptor tyrosine-based inhibitor motif (ITIM). This motif is involved in downmodulation of cellular responses. The phosphorylated ITIM motif binds to the SH2 domain of PTPN6/SHP-1. The SIGLEC8 gene belongs to the immunoglobulin superfamily.
Foussias, G., et al., Biochem. Biophys. Res. Commun. 278(3):775-781 (2000).Floyd, H., et al., J. Biol. Chem. 275(2):861-866 (2000).Kikly, K.K., et al., J. Allergy Clin. Immunol. 105 (6 Pt 1), 1093-1100 (2000).
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