CD2 Antibody (HuLy-m1)

Images

 
Immunocytochemistry/ Immunofluorescence: CD2 Antibody (HuLy-m1) [NBP2-44908] - Analysis of CD2 antibody (HuLy-m1) on Jurkat cells. Image from verified customer review.
Flow Cytometry: CD2 Antibody (HuLy-m1) [NBP2-44908] - Flow Cytometric Analysis of MOLT-4 cells using CD2 Antibody (HuLy-m1) followed by goat anti-Mouse IgG-CF488 (Blue); Isotype Control (Red).
Flow Cytometry: CD2 Antibody (HuLy-m1) [NBP2-44908] - The cat whole blood cells are washed and incubated with CD2 antibody. This antibody was used to detect Tcell s in cat species. This image was submitted via customer ...read more

Product Details

Summary
Reactivity Hu, FeSpecies Glossary
Applications Flow, ICC/IF, ICC/IF
Clone
HuLy-m1
Clonality
Monoclonal
Host
Mouse
Conjugate
Unconjugated
Concentration
0.2 mg/ml

Order Details

CD2 Antibody (HuLy-m1) Summary

Immunogen
Human thymocytes (Uniprot: P06729)
Localization
Cell surface
Isotype
IgG2b Kappa
Clonality
Monoclonal
Host
Mouse
Gene
CD2
Purity
Protein A or G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 1-2 ug/million cells
  • Immunocytochemistry/Immunofluorescence 1-2 ug/ml
  • Immunofluorescence 0.5 - 1.0 ug/ml
Application Notes
Optimal dilution for a specific application should be determined.
Theoretical MW
50 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Reviewed Applications
Read 1 Review rated 5
using
NBP2-44908 in the following applications:

Packaging, Storage & Formulations

Storage
Store at 4C.
Buffer
10 mM PBS with 0.05% BSA
Preservative
0.05% Sodium Azide
Concentration
0.2 mg/ml
Purity
Protein A or G purified

Notes

200ug/ml of antibody purified from Bioreactor Concentrate by Protein A or G. Prepared in 10 mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0 mg/ml. (NBP2-47979)

Antibody with azide - store at 2 to 8C. Antibody without azide - store at -20 to -80C. Antibody is stable for 24 months. Non-hazardous.

Alternate Names for CD2 Antibody (HuLy-m1)

  • CD2 antigen (p50), sheep red blood cell receptor
  • CD2 antigen
  • CD2 molecule
  • CD2
  • Erythrocyte receptor
  • FLJ46032
  • LFA-2
  • LFA-3 receptor
  • lymphocyte-function antigen-2
  • Rosette receptor
  • SRBC
  • T11
  • T-cell surface antigen CD2
  • T-cell surface antigen T11/Leu-5

Background

CD2, also known as sheep red blood cell receptor (SRBC-R), erythrocyte receptor, LFA-2, and T11, is a type I transmembrane glycoprotein that is expressed on the surface of T cells, natural killer (NK) cells, thymocytes, and dendritic cells (1,2). CD2 is a member of the immunoglobulin (Ig) superfamily and a costimulatory receptor that functions in formation of the immunological synapse and T cell activation and signaling (1). The human CD2 protein is 351 amino acids in length with a theoretical molecular weight of ~40 kDa, but a fully glycosylated protein can weight closer to 50 kDa (1,3). The CD2 protein contains a signal sequence, an extracellular domain (ECD) composed of an Ig-like V-type domain followed by an Ig-like C-type domain, a transmembrane helical domain, and a proline-rich cytoplasmic tail (1,3). CD2 binds with CD58, also called LFA-3, which is a surface glycoprotein expressed by antigen presenting cells (APCs) and other target cells (1,2). While CD58 is the primary ligand for CD2 in humans, it also interacts with CD59 and CD48, albeit with lower affinity (1,2). However, in mice and rats which lack CD58 the main ligand for CD2 is CD48 (4). Research has found that when there is no direct interaction, CD2 co-immunoprecipitates with the T cell receptor (TCR)/CD3 complex (1). CD2 is an adhesion molecule with a variety of functions including actin cytoskeleton rearrangement, immunological synapse formation through T cell-APC binding, thymocyte development and T cell activation, and NK cell activation (1,2). The immunological synapse forms upon T cell-APC engagement and creates a contact zone of supramolecule activation clusters (SMACs) where CD2-CD58 is part of the central SMAC (cSMAC) (2).

The CD2-CD58 interaction has been shown to play a role in anti-tumor immune response, where reduced CD58 signaling is associated with immune escape of tumor cells in various hematological and lymphoid malignancies, but restoration of the signal promotes an anti-tumor response (2,5). Additionally, following cytomegalovirus (CMV) infection, CD2's binding to upregulated CD58 on CMV-infected cells is crucial for the activation and function of adaptive NK cells in the anti-viral response (2). In contrast, in situations where there is an increase in T cell and NK cell activation, like various autoimmune disorders or following organ transplant, costimulatory blockade of CD2-CD58 may be a potential therapeutic treatment approach (1). Mouse and rat xenograft models have shown that blocking the CD2 using anti-CD2 monoclonal antibodies contributes to graft survival and protects against lymphocyte infiltration and inflammatory damage (2).

References

1. Binder C, Cvetkovski F, Sellberg F, et al. CD2 Immunobiology. Front Immunol. 2020;11:1090. https://doi.org/10.3389/fimmu.2020.01090

2. Zhang Y, Liu Q, Yang S, Liao Q. CD58 Immunobiology at a Glance. Front Immunol. 2021;12:705260. https://doi.org/10.3389/fimmu.2021.705260

3. Uniprot (P06729)

4. van der Merwe PA. A subtle role for CD2 in T cell antigen recognition. J Exp Med. 1999;190(10):1371-1374. https://doi.org/10.1084/jem.190.10.1371

5. Nishikori M, Kitawaki T, Tashima M, Shimazu Y, Mori M, et al. Diminished CD2 Expression in T cells Permits Tumor Immune Escape. J Clin Cell Immunol. 2016;7:406. https://doi.org/10.4172/2155-9899.1000406

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for CD2 Antibody (NBP2-44908) (0)

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Review for CD2 Antibody (NBP2-44908) (1) 51

Average Rating: 5
(Based on 1 review)
We have 1 review tested in 1 species: Human.

Reviews using NBP2-44908:
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  5
reviewed by:
Layla Schwartz
ICC Human 06/28/2022
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Summary

ApplicationImmunocytochemistry
Sample TestedJurkat cells
SpeciesHuman
LotHuLy-m1

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Recent Reviews

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Layla Schwartz
06/28/2022
Application: ICC
Species: Human

Bioinformatics

Gene Symbol CD2
Uniprot