- 9F10 (See other available formats)
- Regulatory Status
- V S215
- Other Names
- VLA-4 α chain, α4 integrin, Integrin α4 chain, ITGA4
- Mouse IgG1, κ
- Ave. Rating
- Submit a Review
- Product Citations
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CD49d is a 150 kD α integrin chain known as α4 integrin or VLA-4 α chain. It forms a heterodimer with either integrin β1 (α4β1, VLA-4) or β7 (α4β7). CD49d is expressed broadly on T lymphocytes, B lymphocytes, monocytes, thymocytes, eosinophils, basophils, mast cells, NK cells, dendritic cells, and some non-hematopoietic cells, but not on normal red blood cells, platelets or neutrophils. VLA-4 binds to VCAM-1 (CD106) and fibronectin. α4β7 is the receptor for VCAM-1 and MAdCAM-1. CD49d participates in mononuclear cell trafficking to endothelial sites of inflammation and has roles in cell-cell interactions and cell adhesion to extracellular matrices. CD49d is involved in lymphocyte migration, T cell activation, and hematopoietic stem cell differentiation. CD49d is a marker to isolate pure populations of Treg cells due to its absence on Foxp3+ cells.Product Details
- Verified Reactivity
- Human, Cynomolgus, Rhesus
- Reported Reactivity
- African Green, Baboon, Cat, Cow, Chimpanzee, Common Marmoset, Dog, Horse, Sheep, Squirrel Monkey
- Antibody Type
- Host Species
- Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
- The antibody was purified by affinity chromatography and conjugated with Alexa Fluor® 647 under optimal conditions.
- Lot-specific (to obtain lot-specific concentration, please enter the lot number in our Concentration and Expiration Lookup or Certificate of Analysis online tools.)
- 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 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.
* Alexa Fluor® 647 has a maximum emission of 668 nm when it is excited at 633 nm / 635 nm.
Alexa Fluor® and Pacific Blue™ are trademarks of Life Technologies Corporation.
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- Excitation Laser
Red Laser (633 nm)
- Application Notes
Additional reported applications (for the relevant formats) include: immunohistochemical staining of acetone-fixed frozen tissue sections, and in vitro T cell costimulation2,3. The Ultra-LEAF™ Purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. No. 304339 and 304340).
(PubMed link indicates BioLegend citation)
- Schlossman S, et al. Eds. 1995. Leucocyte Typing V. Oxford University Press. New York.
- Jeong SH, et al. 2004. J. Virol. 78:6995. (Costim)
- Vogel TU, et al. 2002. J. Immunol. 169:4511. (Costim)
- Kleinewietfeld M, et al. 2009. Blood 113:827. (FC) PubMed
- Palacious F, et al. 2010. Blood 115:4488. PubMed
- Yoshino N, et al. 2000. Exp. Anim. (Tokyo) 49:97. (FC)
- Sestak K, et al. 2007. Vet. Immunol. Immunopathol. 119:21.
- Mattapallil MJ, et al. 2011. J. Immunol. 187:1977. PubMed
AB_2728240 (BioLegend Cat. No. 304335)
AB_2728241 (BioLegend Cat. No. 304336)
- Integrin, type I transmembrane glycoprotein, 150 kD.
T cells, B cells, NK , dendritic cells, thymocytes, monocytes, eosinophils, mast cells.
- Lymphocyte migration, T cell activation, stem cell differentiation.
- Fibronectin, VCAM-1, MAdCAM-1
- Cell Type
- B cells, Dendritic cells, Eosinophils, Mast cells, Monocytes, NK cells, T cells, Thymocytes, Tregs
- Biology Area
- Cell Adhesion, Cell Biology, Immunology, Innate Immunity
- Molecular Family
- Adhesion Molecules, CD Molecules
- Antigen References
1. Elices M, Ed.1995. Springer Semin. Immunopathol. 16(4).
2. Lobb RR and Helmer ME. et al. 1994. J. Clin. Invest. 94:1722.
- Gene ID
- 3676 View all products for this Gene ID
- View information about CD49d on UniProt.org
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APC anti-human CD49d
PE anti-human CD49d
PE/Cyanine5 anti-human CD49d
Purified anti-human CD49d
Alexa Fluor® 594 anti-human CD49d
PerCP/Cyanine5.5 anti-human CD49d
PE/Cyanine7 anti-human CD49d
FITC anti-human CD49d
Brilliant Violet 510™ anti-human CD49d
Brilliant Violet 421™ anti-human CD49d
Purified anti-human CD49d (Maxpar® Ready)
Brilliant Violet 605™ anti-human CD49d
PE/Dazzle™ 594 anti-human CD49d
APC/Cyanine7 anti-human CD49d
Brilliant Violet 711™ anti-human CD49d
Alexa Fluor® 647 anti-human CD49d
Biotin anti-human CD49d
TotalSeq™-A0576 anti-human CD49d
Brilliant Violet 785™ anti-human CD49d
APC/Fire™ 750 anti-human CD49d
Ultra-LEAF™ Purified anti-human CD49d
TotalSeq™-C0576 anti-human CD49d
TotalSeq™-B0576 anti-human CD49d Antibody
TotalSeq™-D0576 anti-human CD49d