- 2E7 (See other available formats)
- Other Names
- Integrin αIEL chain, Integrin αE chain, αE integrin, ITGAE
- Armenian Hamster IgG
- Ave. Rating
- 3 reviews
- Product Citations
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CD103 is a type I transmembrane glycoprotein known as αE integrin or Integrin αIEL chain. It belongs to the integrin family and is primarily found on intestinal intraepithelial lymphocytes (IEL). CD103 is also expressed on a subpopulation of lamina propria T cells, epithelial dendritic cells, lamina propria-derived dendritic cells, and a small subset of peripheral lymphocytes. T regulatory cells express high level of CD103. The CD103 expression on lymphocytes can be induced upon activation and TGF-β stimulation. In association with integrin β7, CD103 is expressed as αE/β7 heterodimer. Mature CD103 protein can be cleaved into 2 chains, a 150 kD (C-terminal) chain and a 25 kD (N-terminal) chain, which remain linked by disulfide bonds. CD103 binds to E-cadherin and mediates homing of lymphocytes to the intestinal epithelium.Product Details
- Antibody Type
- Host Species
- Armenian Hamster
- Mouse intestinal intraepithelial lymphocytes
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- The antibody was purified by affinity chromatography, and conjugated with FITC under optimal conditions.
- 0.5 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
FC - Quality tested
- Recommended Usage
Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤1.0 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
- Excitation Laser
Blue Laser (488 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: immunoprecipitation1, immunohistochemical staining1,7 of acetone-fixed frozen sections, immunofluorescence2, and in vitro activation1.
(PubMed link indicates BioLegend citation)
- LeFrancois L, et. al, 1994. Eur. J. Immunol. 24:635. (FC, IHC, IP)
- Mysorekar IU, et. al, 2002. J. Biol. Chem. 277:37811. (FC, IF)
- Mikami N, et al. 2011. J. Immunol. 186:6886. PubMed
- del Rio ML, et al. 2011. Transpl. Int. 24:501. (FC) PubMed
- Quinn KM, et al. 2013. J. Immunol. 191:5085. PubMed
- Verhagen J and Wraith DC. 2014. J. Immunol. Methods. S0022. (FC) PubMed
- Xiao B, et al. 2015. PLoS One 1:e0115333. (IHC)
- Product Citations
AB_10709438 (BioLegend Cat. No. 121419)
AB_10714791 (BioLegend Cat. No. 121420)
- Type I transmembrane glycoprotein, Integrin family, can be cleaved into 150 kD and 25 kD chains, associated with β7 integrin
Majority of intestinal intraepithelial lymphocytes (IEL), subpopulation of lamina propria T cells, epithelial dendritic cells, small subset of peripheral lymphocytes, Treg cells.
- Retention and activation of CD103+ lymphocytes in the intestinal epithelium, regulate tissue-specific T cell homing.
- Cell Type
- Dendritic cells, Lymphocytes, T cells, Tregs
- Biology Area
- Molecular Family
- Adhesion Molecules, CD Molecules
- Antigen References
1. Kilshaw PJ and SJ. Murant. 1990. Eur. J. Immunol. 20:2201.
2. Karecla PI, et al. 1995. Eur. J. Immunol. 25:852.
3. LeFrancois L, et al. 1994. Eur. J. Immunol. 24:635.
4. Sung SS, et al. 2006. J. Immunol. 176:2161.
5. Johansson-Lindbom B, et al. 2005. J. Exp. Med. 202:1063.
6. Dujardin HC, et al. 2004. Proc. Natl. Acad. Sci. USA. 101:14473.
- Gene ID
- 16407 View all products for this Gene ID
- View information about CD103 on UniProt.org
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