- ICRF44 (See other available formats)
- Regulatory Status
- IV M047
- Other Names
- Integrin αM chain, C3biR, CR3, Mac-1, Mo1, ITGAM
- Mouse IgG1, κ
- Ave. Rating
- Submit a Review
- Product Citations
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CD11b is a 165-170 kD type I transmembrane glycoprotein also known as αM integrin, Mac-1, CR3, and C3biR. CD11b non-covalently associates with integrin β2 (CD18) and is expressed on granulocytes, monocytes/macrophages, dendritic cells, NK cells, and subsets of T and B cells. CD11b/CD18 is critical for the transendothelial migration of monocytes and neutrophils. It is also involved in granulocyte adhesion, phagocytosis, and neutrophil activation. CD11b/CD18 interacts with ICAM-1 (CD54), ICAM-2 (CD102), ICAM-4, CD14, CD23, heparin, iC3b, fibrinogen, and factor X.Product Details
- Human, African Green, Baboon, Chimpanzee, Common Marmoset, Cynomolgus, Rhesus, Swine (Pig, Porcine)
- 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 Brilliant Violet 650™ under optimal conditions.
- Lot-specific (please contact technical support for concentration and total µg amount, or use our Lookup tool if you have a lot number.)
- 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.
Brilliant Violet 650™ excites at 405 nm and emits at 645 nm. The bandpass filter 660/20 nm is recommended for detection, although filter optimization may be required depending on other fluorophores used. Be sure to verify that your cytometer configuration and software setup are appropriate for detecting this channel. Refer to your instrument manual or manufacturer for support. Brilliant Violet 650™ is a trademark of Sirigen Group Ltd.
Learn more about Brilliant Violet™.
This product is subject to proprietary rights of Sirigen Inc. and is made and sold under license from Sirigen Inc. The purchase of this product conveys to the buyer a non-transferable right to use the purchased product for research purposes only. This product may not be resold or incorporated in any manner into another product for resale. Any use for therapeutics or diagnostics is strictly prohibited. This product is covered by U.S. Patent(s), pending patent applications and foreign equivalents.
- Excitation Laser
Violet Laser (405 nm)
- Application Notes
The ICRF44 antibody inhibits heterotypic adhesion of granulocytes in response to fMLP. Additional reported applications (for the relevant formats) include: immunohistochemical staining of acetone-fixed frozen tissue sections, immunofluorescence microscopy5, stimulation of monocytes3, blocking of heterotypic PMN aggregation8, and blocking of granulocyte activation12. This clone was tested in-house and does not work on formalin fixed paraffin-embedded (FFPE) tissue.
The Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for functional assays (Cat. Nos. 301361 & 301362).
(PubMed link indicates BioLegend citation)
- Knapp W. 1989. Leucocyte Typing IV. Oxford University Press New York.
- Barclay N, et al. 1997. The Leucocyte Antigen Facts Book. Academic Press Inc. San Diego.
- Rezzonico R, et al. 2001. Blood 97:2932. (Stim)
- Marsik C, et al. 2003. Shock 20:493. (FC)
- David A, et al. 2003. J. Leukoc. Biol. 74:551. (IF)
- Charles N, et al. 2010. Nat. Med. 16:701. (FC) PubMed
- Thurlow LR, et al. 2010. Infect. Immun. 128:1128. (FC) PubMed
- Jadhav S, et al. 2001. J. Immunol. 167:5986. (Block)
- Yoshino N, et al. 2000. Exp. Anim. (Tokyo) 49:97. (FC)
- Sestak K, et al. 2007. Vet. Immunol. Immunopathol. 119:21. (FC)
- Wen T, et al. 2014. J Immunol. 192:5481. (FC) PubMed
- Sprong T, et al. 2003. Blood 102:3702. (Block)
- Cash JL, et al. 2013. EMBO Rep. 14:999. (FC) PubMed
- Larsson K, et al. 2015. PNAS. PubMed
- Product Citations
AB_2562761 (BioLegend Cat. No. 301335)
AB_2563793 (BioLegend Cat. No. 301336)
- Integrin, type I transmembrane glycoprotein, associates with integrin β2 (CD18), 165-170 kD
Granulocytes, monocytes/macrophages, dendritic cells, NK cells, subset of T cells, subset of B cells
- Adhesion, phagocytosis, chemotaxis, neutrophil activation
- ICAM-1(CD54), ICAM-2 (CD102), ICAM-4, CD14, CD23, heparin, iC3b, fibrinogen, factor X
- Cell Type
- B cells, Dendritic cells, Granulocytes, Macrophages, Monocytes, Neutrophils, NK cells, T cells, Tregs
- Biology Area
- Cell Adhesion, Cell Biology, Costimulatory Molecules, Immunology, Innate Immunity, Neuroscience, Neuroscience Cell Markers
- Molecular Family
- Adhesion Molecules, CD Molecules
- Antigen References
1. Stewart M, et al. 1995. Curr Opin Cell Biol. 7:690.
- Gene ID
- 3684 View all products for this Gene ID
- Specificity (DOES NOT SHOW ON TDS):
- Specificity Alt (DOES NOT SHOW ON TDS):
- View information about CD11b on UniProt.org
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