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Invitrogen
CD103 Monoclonal Antibody (AX.14)
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Product Details
MA1-12189
Product Specifications
Species Reactivity
Human
Host/Isotype
Mouse
/ IgG1
Class
Monoclonal
Type
Antibody
Clone
AX.14
Immunogen
White blood cells.
Conjugate
Form
Liquid
Concentration
1.0 mg/mL
Amount
100 µg
Purification
Protein A/G
Storage buffer
PBS
Contains
0.08% sodium azide
Storage conditions
-20°C, Avoid Freeze/Thaw Cycles
Shipping conditions
Ambient (domestic); Wet ice (international)
RRID
Target Information
CD103, also known as ITGAE or Integrin alpha E, is a molecule that non-covalently associates with integrin beta 7 to form a heterodimeric integral membrane protein. This protein is part of the integrin family, characterized by an alpha chain and a beta chain. Specifically, CD103 includes a 150 kDa alpha chain and a 120 kDa beta chain, with the alpha integrin undergoing post-translational cleavage in the extracellular domain to yield disulfide-linked heavy and light chains. CD103 is primarily expressed on mucosa-associated T lymphocytes, intraepithelial lymphocytes (IELs), and activated cells, as well as a subset of TGF beta-1 cells. It is preferentially found in human intestinal IELs, where it plays a role in adhesion and may serve as an accessory molecule for IEL activation. CD103 binds to epithelial cell antigen E-cadherin, mediating the homing of lymphocytes to the intestinal epithelium. In peripheral blood and lymphoid organs, CD103 is expressed by 0.5 to 2% of resting lymphocytes, and its expression can be upregulated in vitro by stimulating human T cells with mitogens. CD103 is also expressed by hairy cell leukemia (HCL) and some chronic B cell lymphocytic leukemias. The CD103 antibody stains a few bone marrow cells and, rarely, peripheral blood lymphocytes. Diseases associated with CD103 dysfunction include hairy cell leukemia and splenic marginal zone lymphoma.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: antigen CD103, human mucosal lymphocyte antigen 1; alpha polypeptide; CD103; DC; DCs; HML-1 antigen; human mucosal lymphocyte antigen 1, alpha polypeptide; Integrin alpha-E; Integrin alpha-IEL; integrin, alpha E (antigen CD103, human mucosal lymphocyte antigen 1; alpha polypeptide); Intregrin alpha E2; MGC141996; Mucosal lymphocyte 1 antigen
Gene Aliases: CD103; HUMINAE; ITGAE
UniProt ID: (Human) P38570
Entrez Gene ID: (Human) 3682
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Performance Guarantee
If an Invitrogen™ antibody doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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