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Purified anti-human CD22 Antibody

Pricing & Availability
Clone
A21052D (See other available formats)
Regulatory Status
RUO
Other Names
BL-CAM, Siglec-2, Lyb8
Isotype
Mouse IgG2b, κ
Ave. Rating
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Product Citations
publications
A21052D_PURE_CD22_Antibody_033022
Human paraffin-embedded tonsil tissue slices were prepared with a standard protocol of deparaffination and rehydration. Antigen retrieval was done with citrate buffer 1X pH 6.0 at 95°C for 40 minutes. Tissue was washed with PBS/ 0.05% Tween-20 twice for five minutes and blocked with 5% FBS and 0.2% gelatin for 30 minutes. Then, the tissue was stained with 10 µg/mL of purified anti-human CD22 (clone A21052D) and purified anti-human IgD (clone W18340A) at 4°C overnight. On the next day, the tissue was washed twice with PBS and stained with Alexa Fluor® 594 goat anti-mouse IgG (clone Poly4053) (red) and Alexa Fluor® 647 goat anti-rat IgG (clone Poly4054) (green) for two hours at room temperature. The nuclei were counterstained with DAPI (blue). The image was captured with a 10X objective.
  • A21052D_PURE_CD22_Antibody_033022
    Human paraffin-embedded tonsil tissue slices were prepared with a standard protocol of deparaffination and rehydration. Antigen retrieval was done with citrate buffer 1X pH 6.0 at 95°C for 40 minutes. Tissue was washed with PBS/ 0.05% Tween-20 twice for five minutes and blocked with 5% FBS and 0.2% gelatin for 30 minutes. Then, the tissue was stained with 10 µg/mL of purified anti-human CD22 (clone A21052D) and purified anti-human IgD (clone W18340A) at 4°C overnight. On the next day, the tissue was washed twice with PBS and stained with Alexa Fluor® 594 goat anti-mouse IgG (clone Poly4053) (red) and Alexa Fluor® 647 goat anti-rat IgG (clone Poly4054) (green) for two hours at room temperature. The nuclei were counterstained with DAPI (blue). The image was captured with a 10X objective.
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382701 25 µg $55
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382702 100 µg $121
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Description

CD22 is a 130 kD type I transmembrane glycoprotein also known as Siglec-2 and BL-CAM and is a member of the immunoglobulin superfamily (sialoadhesion subgroup). CD22 is expressed in the cytoplasm of pro-B and pre-B cells, and on the surface of mature B and activated B cells, but not on plasma cells. CD22 is present in the B cell receptor complex and associates with SHP-1, Syk, Lck, Lyn, and phospholipase Cγ1. A primary function of CD22 is thought to be in limiting antigen receptor signaling by modulating B cell activation threshold. CD22 has been shown to bind to CD45RO and CD75, although the natural ligands for this molecule remain controversial.

Product Details
Technical data sheet

Product Details

Verified Reactivity
Human
Antibody Type
Monoclonal
Host Species
Mouse
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide
Preparation
The antibody was purified by affinity chromatography.
Concentration
0.5 mg/mL
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C.
Application

IHC-P - Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by formalin-fixed paraffin-embedded immunohistochemical staining. For immunohistochemistry, a concentration range of 5.0 - 10.0 µg/mL is suggested.  It is recommended that the reagent be titrated for optimal performance for each application.

RRID
AB_2927812 (BioLegend Cat. No. 382701)
AB_2927812 (BioLegend Cat. No. 382702)

Antigen Details

Structure
Ig superfamily, a type I glycosylated integral transmembrane protein, 120-130 kD
Distribution

B cells

Function
Adhesion, B-monocyte and B-T interactions
Ligand/Receptor
CD45RO, CD75
Biology Area
Cell Adhesion
Molecular Family
Adhesion Molecules
Antigen References
  1. Clark E. 1993. J Immunol. 150:4715-8.
  2. Shan D, et al. 1995. J Immunol. 154:4466-75.
Gene ID
933 View all products for this Gene ID
UniProt
View information about CD22 on UniProt.org

Related FAQs

There are no FAQs for this product.
Go To Top Version: 1    Revision Date: 03/30/2022

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

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This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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