Human Siglec-8 PE-conjugated Antibody

Catalog # Availability Size / Price Qty
Detection of Siglec-8 in Human Blood Granulocytes by Flow Cytometry.
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Product Details
Citations (2)
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Human Siglec-8 PE-conjugated Antibody Summary

Species Reactivity
Detects human Siglec-8 in ELISAs. In direct ELISAs, no cross-reactivity with recombinant human Siglec-7, -9, or -14 is observed.
Monoclonal Mouse IgG1 Clone # 837535
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0-derived recombinant human Siglec-8
Accession # Q9NYZ4
Supplied in a saline solution containing BSA and Sodium Azide.
Phycoerythrin (Excitation= 488 nm, Emission= 565-605 nm)


Recommended Concentration
Flow Cytometry
10 µL/106 cells
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Flow Cytometry Detection of Siglec-8 antibody in Human Blood Granulocytes antibody by Flow Cytometry. View Larger

Detection of Siglec-8 in Human Blood Granulocytes by Flow Cytometry. Human peripheral blood granulocytes were stained with Rat Anti-Human CCR3 APC-conjugated Monoclonal Antibody (Catalog # FAB155A) and either (A) Mouse Anti-Human Siglec-8 PE-conjugated Monoclonal Antibody (Catalog # FAB7975P) or (B) Mouse IgG1Phycoerythrin Isotype Control (Catalog # IC002P). View our protocol for Staining Membrane-associated Proteins.

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Preparation and Storage

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: Siglec-8

Siglec-8 (Sialic acid-binding Ig-like lectin 8), formerly called SAF-2 (sialoadhesin family member 2) and designated CD329, is a 75 kDa member of the inhibitory CD33‑related SIGLEC family within the Ig superfamily of proteins. An alternately spliced 48 kDa short form lacks most of the intracellular domain, while another isoform lacks the second of three extracellular Ig domains, representing amino acids (aa) 152-245 of the 499 aa long form. Siglec-8 is expressed exclusively on eosinophils, mast cells, and weakly on basophils, and is a marker for eosinophil terminal differentiation. It specifically recognizes 6’ sulfated sialyl Lewis X carbohydrate structures. Engagement results in eosinophils apoptosis, or mast cell inhibition of degranulation. Eosinophil Siglec F is the mouse paralog of human Siglec-8, but shares <40% amino acid sequence identity.

Long Name
Sialic Acid Binding Ig-like Lectin 8
Entrez Gene IDs
27181 (Human)
Alternate Names
CD329 antigen; CDw329; MGC59785; SAF2; SAF2SAF-2; sialic acid binding Ig-like lectin 8; Sialoadhesin family member 2; Siglec8; Siglec-8; SIGLEC8L; SIGLEC8Lsialic acid-binding Ig-like lectin 8

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Citations for Human Siglec-8 PE-conjugated Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. Phosphatidylinositol 3-Kinase (PI3K) Orchestrates Aspergillus fumigatus-Induced Eosinophil Activation Independently of Canonical Toll-Like Receptor (TLR)/C-Type-Lectin Receptor (CLR) Signaling
    Authors: A Dietschman, S Schruefer, S Westermann, F Henkel, K Castiglion, R Willebrand, J Adam, J Ruland, R Lang, DC Sheppard, J Esser-von-, D Radtke, S Krappmann, D Voehringer
    MBio, 2022;0(0):e0123922.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. Siglec-8 antibody reduces eosinophil and mast cell infiltration in a transgenic mouse model of eosinophilic gastroenteritis
    Authors: BA Youngblood, EC Brock, J Leung, R Falahati, BS Bochner, HS Rasmussen, K Peterson, C Bebbington, N Tomasevic
    JCI Insight, 2019;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry


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