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CD33 / Siglec-3 Antibody, Rabbit PAb, Antigen Affinity Purified

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CD33Antibody Product Information
Antigen:Recombinant Cynomolgus CD33 / Siglec-3 protein (Catalog#90303-C08H)
Clone ID:
Ig Type:Rabbit IgG
Formulation:0.2 μm filtered solution in PBS
Preparation:Produced in rabbits immunized with purified, recombinant Cynomolgus CD33 / Siglec-3 (rh CD33 / Siglec-3; Catalog#90303-C08H; XP_005590138.1; Met1-Gly248). CD33 / Siglec-3 specific IgG was purified by Cynomolgus CD33 / Siglec-3 affinity chromatography.
CD33Antibody Usage Guide
Specificity:Cynomolgus CD33 / Siglec-3

ELISA: 0.1-0.2 μg/mL

This antibody can be used at 0.1-0.2 μg/mL with the appropriate secondary reagents to detect Cynomolgus CD33 / Siglec-3. The detection limit for Cynomolgus CD33 / Siglec-3 is < 0.039 ng/well.

Storage:This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -70℃. Preservative-Free.
Sodium azide is recommended to avoid contamination (final concentration 0.05%-0.1%). It is toxic to cells and should be disposed of properly. Avoid repeated freeze-thaw cycles.

Myeloid cell surface antigen CD33 also known as Sialic acid binding Ig-like lectin 3, CD33 antigen or Siglec-3, is a member of the immunoglobulin superfamily and SIGLEC (sialic acid binding Ig-like lectin) family. This Single-pass type I membrane protein contains 1 Ig-like C2-type (immunoglobulin-like) domain and 1 Ig-like V-type (immunoglobulin-like) domain. CD33 /Siglec-3 is a putative adhesion molecule of myelomonocytic-derived cells that mediates sialic-acid dependent binding to cells. CD33 /Siglec-3 preferentially 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. In the immune response, may act as an inhibitory receptor upon ligand induced tyrosine phosphorylation by recruiting cytoplasmic phosphatase(s) via their SH2 domain(s) that block signal transduction through dephosphorylation of signaling molecules. CD33/Siglec-3 induces apoptosis in acute myeloid leukemia (in vitro). CD33/Siglec-3 can function as a sialic acid-dependent cell adhesion molecule and that binding can be modulated by endogenous sialoglycoconjugates when CD33 is expressed in a plasma membrane.

  • Simmons D, et al. (1988) Isolation of a cDNA encoding CD33, a differentiation antigen of myeloid progenitor cells. J Immunol. 141(8): 2797-800.
  • Ulyanova T, et al. (1999) The sialoadhesin CD33 is a myeloid-specific inhibitory receptor. Eur J Immunol. 29(11): 3440-9.
  • Freeman SD, et al. (1995) Characterization of CD33 as a new member of the sialoadhesin family of cellular interaction molecules. Blood. 85(8): 2005-12.
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