Key Product Details

Species Reactivity

Human, Equine

Applications

Flow Cytometry

Label

Allophycocyanin/Cy7 (Excitation = 650;755 nm, Emission = 767 nm)

Antibody Source

Monoclonal Mouse IgG2B Clone # 238446

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all CD11b/Integrin alpha M Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human CD11b/Integrin alphaM
Phe17-Asn1105
Accession # NP_001139280

Specificity

Detects human CD11b/Integrin alphaM in direct ELISAs.

Marker

Microglia Marker, Macrophage Marker

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Applications for CD11b Antibody (238446) [Allophycocyanin/Cy7]

Application
Recommended Usage

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined. For optimal results using our Tandem dyes, please avoid prolonged exposure to light or extreme temperature fluctuations. These can lead to irreversible degradation or decoupling. When staining intracellular targets, specific attention to the fixation and permeabilization steps in your flow protocol may be required. Please contact our technical support team at technical@novusbio.com if you have any questions.
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

PBS

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark. Do not freeze.

Background: CD11b/Integrin alpha M

CD11b (integrin alpha M subunit) is a type I transmembrane glycoprotein. CD11b combines with the Integrin beta 2 subunit (CD18) to form the non-covalent heterodimer Integrin alpha M/beta 2, also known as Mac-1 and complement receptor type 3 (CR3). The CD11b/CD18 (Mac-1) heterodimer has a theoretical molecular weight of 127kDa but is often observed near 170kDa due to post translational modifications. Integrins are transmembrane proteins that mediate interactions between adhesion molecules on adjacent cells and/or the extracellular matrix. Integrins have diverse roles in several biological processes, including cell migration during development, wound healing, cell differentiation, and apoptosis. The particular integrin CD11b is known as a pro-inflammatory molecule given its ability to promote phagocyte cytotoxic functions while enhancing several effector molecules such as FcGR, uPAR, and CD14 (1). In macrophages, CpG-DNA stimulates lysosomal degradation and vacuolar acidification, subsequently promoting CD11b release via TLR9 (2). During an acute infection, high CD11b/Mac-1 expression on antigen-specific CD8 (+) T cells can signify recent activation of the immune system, whereas naive T cells and virus-specific memory CD8 (+) T cells express little or no Mac-1 when exposed to a virus (3). Variations at the ITGAM gene, which encodes for the CD11b chain of the Mac-1 integrin, is one of the main genetic risk factors involved in systemic lupus erythematosus /SLE disorder (4).

References

1. Rosetti, F., & Mayadas, T. N. (2016). The many faces of Mac-1 in autoimmune disease. Immunol Rev, 269(1), 175-193. doi:10.1111/imr.12373

2. Kim, D., Kim, T. H., Wu, G., Park, B. K., Ha, J. H., Kim, Y. S., . . . Kwon, H. J. (2016). Extracellular Release of CD11b by TLR9 Stimulation in Macrophages. PLoS One, 11(3), e0150677. doi:10.1371/journal.pone.0150677

3. Christensen, J. E., Andreasen, S. O., Christensen, J. P., & Thomsen, A. R. (2001). CD11b expression as a marker to distinguish between recently activated effector CD8(+) T cells and memory cells. Int Immunol, 13(4), 593-600. doi:10.1093/intimm/13.4.593

4. Nath, S. K., Han, S., Kim-Howard, X., Kelly, J. A., Viswanathan, P., Gilkeson, G. S., . . . Harley, J. B. (2008). A nonsynonymous functional variant in integrin-alpha(M) (encoded by ITGAM) is associated with systemic lupus erythematosus. Nat Genet, 40(2), 152-154. doi:10.1038/ng.71

Alternate Names

CD11b, Integrin alpha M, ITGAM

Gene Symbol

ITGAM

Additional CD11b/Integrin alpha M Products

Product Documents for CD11b Antibody (238446) [Allophycocyanin/Cy7]

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Download SDS

Product Specific Notices for CD11b Antibody (238446) [Allophycocyanin/Cy7]

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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