CD11b Antibody (CL1719)

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-34490

Novus Biologicals, part of Bio-Techne
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NBP2-34490
NBP2-34490-25ul
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Key Product Details

Validated by

Orthogonal Validation

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot

Cited:

Immunohistochemistry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # CL1719

Concentration

Concentrations vary lot to lot. See vial label for concentration. If unlisted please contact technical services.

View all CD11b/Integrin alpha M Antibodies »

Product Specifications

Immunogen

Mouse Monoclonal CD11b Antibody (CL1719) was developed against a recombinant protein corresponding to amino acids: LNFTASENTSRVMQHQYQVSNLGQRSLPISLVFLVPVRLNQTVIWDRPQVTFSENLSSTCHTKERLPSHSDFLAELRKAPVVNCSIAVCQRIQCDIPFFGIQEEFNATLKGNLSFDWYIKTSHNHLLIVSTAEIL

Epitope

RIQCDIPFFG

Marker

Microglia Marker, Macrophage Marker

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Theoretical MW

127.2 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Scientific Data Images for CD11b Antibody (CL1719)

Immunohistochemistry-Paraffin: CD11b Antibody (CL1719) [NBP2-34490]

Immunohistochemistry-Paraffin: CD11b Antibody (CL1719) [NBP2-34490]

Immunohistochemistry-Paraffin: CD11b Antibody (CL1719) [NBP2-34490] - Immunohistochemical staining in paraffin-embedded sections of human tonsil and skeletal muscle tissues using [NBP2-34490]. Corresponding ITGAM RNA-seq data are presented for the same tissues.
Western Blot: CD11b Antibody (CL1719) [NBP2-34490]

Western Blot: CD11b Antibody (CL1719) [NBP2-34490]

Western Blot: CD11b Antibody (CL1719) [NBP2-34490] - Western Blot analysis using CD11b Antibody (CL1719) [NBP2-34490]. Lane 1: Marker [kDa] Lane 2: Human tonsil. Detection at ~190 kDa.
Immunohistochemistry-Paraffin: CD11b Antibody (CL1719) [NBP2-34490]

Immunohistochemistry-Paraffin: CD11b Antibody (CL1719) [NBP2-34490]

Immunohistochemistry-Paraffin: CD11b Antibody (CL1719) [NBP2-34490] - Immunohistochemical staining in paraffin-embedded sections of human cerebral cortex using CD11b Antibody (CL1719) [NBP2-34490] shows moderate membranous positivity in microglia.
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Applications for CD11b Antibody (CL1719)

Application
Recommended Usage

Immunohistochemistry

1:1000 - 1:2500

Immunohistochemistry-Paraffin

1:1000 - 1:2500

Western Blot

1 ug/ml
Application Notes
For IHC-Paraffin, HIER pH 6 retrieval is recommended.
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS (pH 7.2) and 40% Glycerol

Preservative

0.02% Sodium Azide

Concentration

Concentrations vary lot to lot. See 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 short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

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

UniProt

P11215 (Rat)

Additional CD11b/Integrin alpha M Products

Product Documents for CD11b Antibody (CL1719)

Product Datasheets

Certificate of Analysis

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

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Product Specific Notices for CD11b Antibody (CL1719)

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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