Human Siglec-10 Antibody

(1 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects human Siglec‑10 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 5% cross‑reactivity with recombinant human (rh) Siglec-5 is observed and less than 1% cross-reactivity with rhSiglec-2, rhSiglec-3, rhSiglec-7, rhSiglec-9, and recombinant mouse Siglec-F is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human Siglec-10
    Met17-Thr546
    Accession # Q96LC7
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.1 µg/mL
    Recombinant Human Siglec‑10 Fc Chimera (Catalog # 2130-SL)
  • Flow Cytometry
    2.5 µg/106 cells
    See below
  • Blockade of Receptor-ligand Interaction
    In a functional ELISA, 1-4 µg/mL of this antibody will block 50% of the binding of 1.5 μg/mL of biotinylated 6’‑Sialyllactose-Polyacrylamide to immobilized Recombinant Human Siglec-10 Fc Chimera (Catalog # 2130-SL) coated at 5 µg/mL (100 µL/well). At 30 μg/mL, this antibody will block >90% of the binding.
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
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.
Data Examples
Detection of Siglec‑10 in Human B Cells by Flow Cytometry.

Human whole blood CD19+ B cells were stained with Goat Anti-Human Siglec‑10 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2130, filled histogram) or isotype control antibody (Catalog # AB‑108‑C, open histogram), followed by Phy­coerythrin-conjugated Anti-Goat IgG Secondary Anti­body (Catalog # F0107).

Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Siglec-10

Siglecs (sialic acid binding Ig-like lectins) are I-type lectins that belong to the immunoglobulin superfamily. They are characterized by an N‑terminal Ig-like V-type domain which mediates sialic acid binding, followed by a varying number of Ig-like C2-type domains. Siglecs 5‑11 constitute the CD33/Siglec-3 related group, and are differentially expressed in the hematopoietic system (1‑3). Siglec-G is the apparent ortholog of human Siglec-10 (4). The human Siglec-10 cDNA encodes a 697 amino acid (aa) precursor that includes a 16 aa signal sequence, a 534 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 126 aa cytoplasmic domain. The ECD contains one Ig-like V‑type domain and four Ig-like C2-type domains, while the cytoplasmic domain contains two immunoreceptor tyrosine-based inhibitory motifs (ITIM) (5‑8). Five splice variants of human Siglec-10 differ in their deletions within the ECD. A potentially secreted sixth variant contains the Ig-like V-type domain followed by a 45 aa substitution (5‑7, 9). Within the ECD, human Siglec-10 is most closely related to Siglec-5 (42% aa sequence identity). It shares 63% aa sequence identity with mouse Siglec-G. Siglec-10 is expressed on eosinophils, neutrophils, monocytes, and B cells (5, 8) with some splice variants predominating in particular cell types and tissue locations (6, 7, 9). It is up‑regulated on eosinophils in mouse models of allergic respiratory inflammation (10). Siglec-10 binds sialated proteins and lipids in alpha 2,3 or alpha 2,6 linkage and shows a preference for GT1b gangliosides (7, 11). This binding can be modulated by cis interactions of Siglec-10 with sialated molecules expressed on the same cell (7). When tyrosine phosphorylated, the cytoplasmic ITIMs interact with phosphatases SHP-1 and SHP-2 to propagate inhibitory signals (5, 9).

  • References:
    1. Crocker, P.R. (2005) Curr. Opin. Pharmacol. 5:431.
    2. Crocker, P.R. (2002) Curr. Opin. Struct. Biol. 12:609.
    3. Crocker, P.R. and J. Zhang (2002) Biochem. Soc. Symp. 69:83.
    4. Angata, T. et al. (2001) J. Biol. Chem. 276:45128.
    5. Whitney, G. et al. (2001) Eur. J. Biochem. 268:6083.
    6. Yousef, G.M. et al. (2001) Biochem. Biophys. Res. Commun. 284:900.
    7. Li, N. et al. (2001) J. Biol. Chem. 276:28106.
    8. Munday, J. et al. (2001) Biochem. J. 355:489.
    9. Kitzig, F. et al. (2002) Biochem. Biophys. Res. Commun. 296:355.
    10. Aizawa, H. et al. (2003) Genomics 82:521.
    11. Rapoport, E. et al. (2003) Bioorg. Med. Chem. Lett. 13:675.
  • Long Name:
    Sialic Acid Binding Ig-like Lectin 10
  • Entrez Gene IDs:
    89790 (Human)
  • Alternate Names:
    MGC126774; PRO940; sialic acid binding Ig-like lectin 10; sialic acid-binding Ig-like lectin 10; Siglec10; Siglec-10; siglec-like gene 2; Siglec-like protein 2; SLG2; SLG2sialic acid binding Ig-like lectin 10 Ig-like lectin 7
Related Research Areas
Citations:

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.

1 Citations: Showing 1 - 1

  1. Alteration and acquisition of Siglecs during in vitro maturation of CD34+ progenitors into human mast cells.
    Authors: Yokoi H, Myers A, Matsumoto K, Crocker PR, Saito H, Bochner BS
    Allergy, 2006;61(6):769-76.
    Species: Human
    Sample Type: Cell Lysates
    Application: WB
Isotype Controls
Description Application Cat# Citations Images  

Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
Description Application Cat# Citations Images  

Goat IgG HRP-conjugated Antibody

WB, Simple Western HAF109 19  
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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

Flow F0107 4  
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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 9
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL003 5
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Goat IgG (H+L) APC-conjugated Antibody

Flow F0108 6  
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Goat IgG Horseradish Peroxidase-conjugated Antibody

WB HAF019 6  
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Donkey Anti-Goat IgG Antibody

WB AF109 6
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Donkey Anti-Goat IgG Biotinylated Antibody

WB BAF109 3
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Goat IgG VisUCyte HRP Polymer

IHC VC004  
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Goat IgG (H+L) Fluorescein-conjugated Antibody

Flow F0109 2  
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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL002
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Chicken Anti-Goat IgG Biotinylated Antibody

WB BAF019
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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

Flow F0124
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