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Siglec-1 (CD169) Mouse anti-Human, PE, Clone: 7-239, BD

Mouse Monoclonal Antibody

Manufacturer:  BD Biosciences 565248

Catalog No. BDB565248

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The 7-239 monoclonal antibody specifically binds to Sialic acid-binding Ig-like lectin 1 (Siglec-1), which is also known as Sialoadhesin (SN), or CD169. Siglec-1 is a type I transmembrane glycoprotein that belongs to the Siglec family within the Ig superfamily. This adhesion molecule especially binds to glycolipids and glycoproteins with terminal α-2 sialyl residues. Siglec-1 is expressed by macrophages and dendritic cells and serves as a cellular interaction molecule. Its expression can be upregulated by cells in response to type II collagen, or to cytokines including interferons, and tumor necrosis factor. Siglec-1 plays roles in endocytosis, hematopoiesis, and leucocyte migration. It mediates macrophage binding to various cell types including developing and mature leucocytes. Siglec-1 that is expressed by dendritic cells can also bind HIV-1 and may mediate viral transfer to bystander CD4+ T cells. Several Siglec-1 counter-receptors have been described including CD43, CD206, and CD227 which are expressed by T cells, macrophages, or breast cancer cells, respectively. The 7-239 antibody reportedly blocks Siglec-1 functions in some cellular assay systems.



Siglec-1 (CD169)
Sialoadhesin; SN; SIGLEC1; Siglec-1; Sialic acid-binding Ig-like lectin 1
Affinity purified
Human Rhinovirus-infected Dendritic Cells
100 Tests
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Flow Cytometry
Aqueous buffered solution containing BSA and ≤0.09% sodium azide
IgG1, κ
Product Certifications


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