Siglec-1/CD169 (E1D7G) Rabbit mAb (BSA and Azide Free) #94578

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Supporting Data

REACTIVITY	M
SENSITIVITY	Endogenous
MW (kDa)	220
Source/Isotype	Rabbit IgG

Application Key:

WB-Western Blotting
IHC-Immunohistochemistry

Species Cross-Reactivity Key:

M-Mouse

Product Information

Product Usage Information

This product is the carrier free version of product #82470. All data were generated using the same antibody clone in the standard formulation which contains BSA and glycerol.

This formulation is ideal for use with technologies requiring specialized or custom antibody labeling, including fluorophores, metals, lanthanides, and oligonucleotides. It is not recommended for ChIP, ChIP-seq, CUT&RUN or CUT&Tag assays. If you require a carrier free formulation for chromatin profiling, please contact us. Optimal dilutions/concentrations should be determined by the end user.

BSA and Azide Free antibodies are quality control tested by size exclusion chromatography (SEC) to determine antibody integrity.

Formulation

Supplied in 1X PBS (10 mM Na₂HPO₄, 3 mM KCl, 2 mM KH₂PO₄, and 140 mM NaCl (pH 7.8)). BSA and Azide Free.

For standard formulation of this product see product #82470

Storage

Store at -20°C. This product will freeze at -20°C so it is recommended to aliquot into single-use vials to avoid multiple freeze/thaw cycles. A slight precipitate may be present and can be dissolved by gently vortexing. This will not interfere with antibody performance.

Specificity / Sensitivity

Siglec-1/CD169 (E1D7G) Rabbit mAb (BSA and Azide Free) recognizes endogenous levels of total Siglec-1/CD169 protein. This antibody does not cross-react with human Siglec-1/CD169 protein. Non-specific staining was observed in mouse pancreas and testis by immunohistochemistry. 

Species Reactivity:

Mouse

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro1229 of mouse Siglec-1/CD169 protein.

Background

Sialic acid-binding Ig-like lectin 1 (Siglec-1/CD169) is a type-I transmembrane glycoprotein and a member of the siglec family of sialic acid-binding proteins. Structurally, Siglec-1 contains a heavily glycosylated extracellular domain and a short intracellular domain with no canonical signaling motifs (1). Expression of Siglec-1 is largely restricted to tissue-resident macrophages found in the bone marrow, liver, spleen, and lymph nodes. Research studies have shown that Siglec-1 is an adhesion molecule and binds to sialylated glycoconjugates to facilitate cell-cell and cell-matrix interactions (2-4). Siglec-1 has also been shown to facilitate the host innate immune response by binding to sialylated epitopes on the surface of viral and bacterial pathogens prior to initiating their phagocytosis (5,6). In the context of cancer, Siglec-1 has been shown to serve as a marker for subsets of proinflammatory macrophages in the tumor microenvironment that aid in the anti-tumor response by phagocytosing tumor cells and recruiting cytotoxic lymphocytes (7).

Database Links

UniProt ID: Q62230

Entrez-Gene Id: 20612

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For Research Use Only. Not For Use In Diagnostic Procedures.

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