Integrin alpha E/CD103 Antibody (2G5.1)

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Product Details

Summary
Reactivity Hu, PmSpecies Glossary
Applications Flow, IHC, IHC-Fr, IP
Clone
2G5.1
Clonality
Monoclonal
Host
Mouse
Conjugate
Unconjugated
Concentration
1.0 mg/ml

Order Details

Integrin alpha E/CD103 Antibody (2G5.1) Summary

Immunogen
Human Intestinal lymphocyte
Specificity
NB100-65271 recognizes the human CD103 cell surface antigen, also known as the alphaE integrin. This reacts with various subsets of human intra-epithelial lymphocytes:- 40% of lamina propria T-cells; 30% of mesenteric lymphoblasts and some lymphocytes from other mucosa. It recognizes less than 0.1% bone marrow cells and less than 0.7% PBL.
Isotype
IgG2a
Clonality
Monoclonal
Host
Mouse
Gene
ITGAE
Purity
Protein A purified
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Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 1:50-1:100
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Frozen 1:50-1:100
  • Immunoprecipitation 1:10-1:500
Application Notes
The epitope recognised by this antibody is reported to be sensitive to formaldehyde fixation and tissue processing. The use of acetone fixation for frozen sections is recommended.

Reactivity Notes

Cross reacts with Cynomolgus Monkey and Rhesus Monkey.

Packaging, Storage & Formulations

Storage
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
PBS, 0.5% Bovine Serum Albumin
Preservative
0.09% Sodium Azide
Concentration
1.0 mg/ml
Purity
Protein A purified

Alternate Names for Integrin alpha E/CD103 Antibody (2G5.1)

  • antigen CD103, human mucosal lymphocyte antigen 1; alpha polypeptide
  • CD103 antigen
  • CD103
  • HML-1 antigen
  • HUMINAE
  • Integrin alpha E
  • integrin alpha-E
  • Integrin alpha-IEL
  • integrin, alpha E (antigen CD103, human mucosal lymphocyte antigen 1; alphapolypeptide)
  • ITGAE
  • MGC141996
  • Mucosal lymphocyte 1 antigen

Background

CD103/Integrin alpha E is a new member of the integrin series of adhesion molecules containing the beta7 subunit. This antigen defines a developmentally important subset of T cells, namely mucosal T cells including all IEL (intraepithelial lymphocytes) and approx. 20% of lamina propria T cells. Expression of CD103 is more restricted outside these mucosal organs, appearing at lower levels on T cell subsets of the lymph node, dendritic epidermis and periphery. In non-epithelial CD103+ T cells there is a bias toward expression on CD8+ cells. Integrin alpha E is a heterodimer comprising a 150kDa alpha chain and a 120kDa beta chain. Integrin alpha E is expressed by approximately 1% of peripheral blood lymphocytes, activated T lymphocytes and by hairy cell leukaemia cells. The antigen is also expressed by intraepithelial lymphocytes. This antibody is reported to have signal inducing activity in a redirected lysis assay and to co stimulate IEL and CD8+ lymph node cells in conjunction with anti TCR in vitro, which runs counter to the usual inhibition of CTL by anti integrins. The property of costimulation is not unique to the mouse since the combination of anti human alpha IEL (intraepithelial lymphocytes) plus anti TCR will produce similar proliferation in human cells, with the exception that CD8+ cells are not stimulated.

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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Bioinformatics

Gene Symbol ITGAE
Entrez
Uniprot