Thermo Fisher Scientific CD33 Monoclonal Antibody (WM-53 (WM53)), eBioscience

Applications

Tested Dilution

Publications

Immunocytochemistry (ICC/IF)

Assay-Dependent

-

Flow Cytometry (Flow)

1 µg/test

View 14 publications 14 publications

Immunoprecipitation (IP)

Assay-Dependent

-

Product Specifications

Species Reactivity

Human

Published species

Not Applicable

Host/Isotype

Mouse / IgG1, kappa

Class

Monoclonal

Type

Antibody

Clone

WM-53 (WM53)

Conjugate

Unconjugated Unconjugated Unconjugated

View additional formats

• Alexa Fluor 700
• APC
• APC-eFluor 780
• Brilliant UV 496
• Brilliant UV 661
• Brilliant Violet 605
• Brilliant Violet 711
• FITC
• NovaFluor Blue 690
• NovaFluor Red 710
• NovaFluor Yellow 570
• NovaFluor Yellow 660
• NovaFluor Yellow 755
• PE
• PE-Cyanine7
• PE-eFluor 610
• PerCP-Cyanine5.5
• Super Bright 436
• Super Bright 600
• Super Bright 645
• Request custom conjugation

Form

Liquid

Concentration

0.5 mg/mL

Purification

Affinity chromatography

Storage buffer

PBS, pH 7.2

Contains

0.09% sodium azide

Storage conditions

4° C

Shipping conditions

Ambient (domestic); Wet ice (international)

RRID

AB_2864862

Product Specific Information

Description: The WM-53 monoclonal antibody reacts with human CD33, also known as GP67 and P67, a 67 kDa type I transmembrane glycoprotein that is a member of the Siglec (sialic acid-binding Ig superfamily lectin) family. It is highly specific to the hematopoietic compartment and is expressed on monocytes, activated T cells, granulocytes, myeloid progenitors, and mast cells.

Applications Reported: The WM-53 (WM53) antibody has been reported for use in flow cytometric analysis, immunoprecipitation, and immunocytochemistry staining.

Applications Tested: The WM-53 (WM53) antibody has been tested by flow cytometric analysis of lysed whole blood. This can be used at less than or equal to 1 µg per test. A test is defined as the amount (µg) of antibody that will stain a cell sample in a final volume of 100 µL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest.

Purity: Greater than 90%, as determined by SDS-PAGE.

Aggregation: Less than 10%, as determined by HPLC.

Filtration: 0.2 µm post-manufacturing filtered.

Target Information

CD33 is a transmembrane protein of the sialic acid-binding immunoglobulin-like lectin (Siglec) family. It belongs to the immunoreceptor tyrosine-based inhibitory motif (ITIM)-containing molecules able of recruiting protein tyrosine phosphatases SHP-1 and SHP-2 to signal assemblies, and these ITIMs are also used for ubiquitin-mediated removal of the receptor from the cell surface. CD33 is expressed on cells of myelomonocytic lineage, binds sialic acid residues in N- and O-glycans on cell surfaces, and is a therapeutic target for acute myeloid leukemia. Further, CD33 is found on granulocyte and macrophage precursors in the bone marrow, but is not on pluripotent stem cells. CD33 is also expressed on, and is a useful marker for, peripheral monocytes. CD33 is useful for distinguishing myelogenous leukemia cells from lymphoid or erythroid leukemias. Diseases associated with CD43 dysfunction include gallbladder lymphoma and extracutaneous mastocytoma.

For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.