- Clone
- DX5 (See other available formats)
- Regulatory Status
- RUO
- Other Names
- α2 integrin, VLA-2 α chain, DX5, Integrin α2 chain, ITGA2
- Isotype
- Rat IgM, κ
- Ave. Rating
- Submit a Review
- Product Citations
- publications
![DX5_Pure_071608.jpg DX5_Pure_071608.jpg](https://d1spbj2x7qk4bg.cloudfront.net/Admin/Public/GetImage.ashx?Image=/Files/Images/media_assets/products/product_images/DX5_Pure_071608.jpg&Width=240&Height=300&altFmImage_path=&Compression=90&Crop=5)
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C57BL/6 mouse splenocytes stained with DX5 purified, followed by anti-rat IgG FITC
Cat # | Size | Price | Quantity Check Availability | Save | ||
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108901 | 50 µg | 72€ | ||||
108902 | 500 µg | 202€ |
DX5 antigen has been recently characterized as CD49b. It is a 150 kD integrin α chain also known as α2 integrin, VLA-2 α chain, and integrin α2 chain. CD49b non-covalently associates with CD29 (β1 integrin) to form the CD49b/CD29 complex known as VLA-2, a receptor for collagen and laminin. CD49b is expressed on platelets, the majority of NK cells, NKT cells, and a small subset of CD8+ T cells (this population can be significantly increased following viral infection). DX5 is used for the identification and isolation of NK cells, and is especially useful for identifying NK cells in mice lacking the NK1.1 antigen.
Product DetailsProduct Details
- Reactivity
- Mouse
- Antibody Type
- Monoclonal
- Host Species
- Rat
- Immunogen
- IL-2-propagated NK1.1+ cells from C57BL/6 mice
- Formulation
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
- Preparation
- The antibody was purified by affinity chromatography.
- Concentration
- 0.5 mg/ml
- Storage & Handling
- The antibody solution should be stored undiluted between 2°C and 8°C.
- Application
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FC - Quality tested
IHC-P, IHC-F - Reported in the literature, not verified in house - Recommended Usage
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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 ≤ 0.25 µg per million cells in 100 µl volume. It is recommended that the reagent be titrated for optimal performance for each application.
- Application Notes
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The DX5 clone detects cells expressing relatively high levels of CD49b and may not be useful for the detection of cells expressing low levels of CD49b. DX5 does not block NK cell killing or binding to collagen in vitro. Additional reported applications (for the relevant formats) include: complement-mediated cytotoxicity2 and immunohistochemical staining5 of formalin-fixed and paraffin-embedded tissue sections as well as immunohistochemical staining of acetone-fixed frozen sections10. The binding of DX5 antibody to splenic NK cells can be blocked by HMa2 antibody.
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Application References
(PubMed link indicates BioLegend citation) -
- Arase H, et al. 2001. J. Immunol. 167:1141. (FC)
- Sepulveda H, et al. 1999. J. Immunol. 163:1133.
- Norian LA and Allen PM. 2004. J. Immunol. 173:835. (FC)
- Andoniou CE, et al. 2005. Nature Immunology 6:1011.
- Oertelt S, et al. 2006. J. Immunol. 177:1655. (IHC) PubMed
- Bourdeau A, et al. 2007. Blood doi:10.1182/blood-2006-08-044370.
- Charles N, et al. 2010. Nat. Med. 16:701. (FC) PubMed
- Qui Q, et al. 2010. J. Immunol. 184:1681. (FC) PubMed
- Busche A, et al. 2011. J. Immunol. 186:2918. PubMed
- Kim HR, et al. 2011. Nephrology 16:545. (IHC) PubMed
- Seyoum B, et al. 2011. Vaccine. 29:8002. PubMed
- Younos IH, et al. 2012. Int Immunopharmacol. 13:245. PubMed
- Honjo K, et al. 2012. PNAS. PubMed.
- Huang HN, et al. 2013. Biomaterials. 34:10151. PubMed
- Product Citations
- RRID
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AB_313408 (BioLegend Cat. No. 108901)
AB_313409 (BioLegend Cat. No. 108902)
Antigen Details
- Structure
- Integrin α chain, 150 kD
- Distribution
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NK cells, subset of T cells
- Function
- Adhesion
- Ligand/Receptor
- Collagen, laminin
- Cell Type
- NK cells, T cells
- Biology Area
- Cell Adhesion, Cell Biology, Immunology, Innate Immunity
- Molecular Family
- Adhesion Molecules, CD Molecules
- Antigen References
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1. Arase H, et al. 2001. J. Immunol. 167:1141.
2. Barclay AN, et al. 1997. The Leukocyte Antigen FactsBook Academic Press.
3. Sasaki K, et al. 2003. Int. Immunol. 15:701.
4. Inoue O, et al. 2003. J. Cell Biol. 160:769. - Gene ID
- 16398 View all products for this Gene ID
- UniProt
- View information about CD49b on UniProt.org
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