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Invitrogen
CD103 Polyclonal Antibody
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Product Details
PA5-86874
Product Specifications
Species Reactivity
Human,
Rat
Host/Isotype
Rabbit
/ IgG
Class
Polyclonal
Type
Antibody
Immunogen
A synthetic peptide corresponding to residues in Human ITGAE.
Conjugate
Form
Liquid
Concentration
1 mg/mL
Purification
Antigen affinity chromatography
Storage buffer
PBS, pH 7.2, with 50% glycerol
Contains
0.02% sodium azide
Storage conditions
Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.
Shipping conditions
Wet ice
RRID
AB_2803633
Product Specific Information
Purity is > 95% by SDS-PAGE.
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; 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 E1, epithelial-associated; Integrin alpha-E; Integrin alpha-IEL; integrin, alpha E (antigen CD103, human mucosal lymphocyte antigen 1; alpha polypeptide); integrin, alpha E, epithelial-associated; Intregrin alpha E2; MGC141996; Mucosal lymphocyte 1 antigen
Gene Aliases: CD103; HUMINAE; ITGAE
UniProt ID: (Human) P38570
Entrez Gene ID: (Human) 3682, (Rat) 83577
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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