Invitrogen™ CD11b/c Monoclonal Antibody (OX42), eFluor™ 660, eBioscience™

Catalog No.	Quantity
50-112-4251	100 μg

Catalog No. 50-112-4251 Supplier Invitrogen™ Supplier No. 50011082

Description

Mouse Monoclonal Antibody

Description: This OX42 monoclonal antibody reacts with rat CD11b and CD11c. CD11b, also known as integrin alpha M or Mac-1, is a component of complement receptor 3 (CR3). CD11c, also known as integrin alpha X, is a component of complement receptor 4 (CR4). CD11b and CD11c are expressed on immune cells such as macrophages, monocytes, granulocytes, and dendritic cells. OX42 has also been shown to detect microglia in the brain, as well as cells of the liver and epidermis. The OX42 antibody has been reported to inhibit complement-mediated rosette formation by granulocytes and macrophages. Moreover, studies demonstrate that OX42 can inhibit granulocyte aggregation. Applications Reported: This OX42 antibody has been reported for use in flow cytometric analysis. Applications Tested: This OX42 antibody has been tested by flow cytometric analysis of rat splenocytes. This can be used at less than or equal to 0.125 μg per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest. eFluor® 660 is a replacement for Alexa Fluor® 647. eFluor® 660 emits at 659 nm and is excited with the red laser (633 nm). Please make sure that your instrument is capable of detecting this fluorochome. Excitation: 633-647 nm; Emission: 668...

Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. CD11b is implicated in various adhesive interactions of monocytes, macrophages and granulocytes as well as in mediating the uptake of complement coated particles. It is identical to CR3, the receptor for the iC3b fragment of the third complement component. CD11b is also a receptor for fibrogen, factor X and ICAM1. It recognizes P1 and P2 peptides of fibrogen gamma chain. The Mac1 CD11b antigen is present on macrophages, granulocytes, natural killer cells, blood monocytes. CD11b is expressed on 8% spleen cells, 44% bone marrow cells and less than 1% thymocytes and is commonly used as a microgial marker in nervous tissue. CD11c encodes the integrin alpha X chain protein. This protein combines with the beta 2 chain (ITGB2) to form a leukocyte-specific integrin referred to as inactivated-C3b (iC3b) receptor 4 (CR4). The alpha X beta 2 complex seems to overlap the properties of the alpha M beta 2 integrin in the adherence of neutrophils and monocytes to stimulated endothelium cells, and in the phagocytosis of complement coated particles. Mutations affecting the CD11b/c gene lead to systemic lupus erythematosus 6.

Specifications

• Antigen: CD11b/c
• Applications: Flow Cytometry
• Classification: Monoclonal
• Clone: OX42
• Concentration: 0.2 mg/mL
• Conjugate: eFluor 660
• Formulation: PBS with 0.09% sodium azide; pH 7.2
• Gene: Itgam
• Gene Accession No.: 0
• Gene Alias: AI449405; antigen CD11b (p170); CD11 antigen-like family member B; CD11 antigen-like family member C; CD11b; CD11B (p170); CD11b/CD18; CD11bc; CD11C; CD11C (p150) alpha polypeptide; cell surface glycoprotein MAC-1 alpha subunit; cell surface glycoprotein MAC-1 subunit alpha; complement component 3 receptor 3 subunit; complement component 3 receptor 4 subunit; complement component receptor 3 alpha-a; complement receptor 4; complement receptor type 3; CR3; CR-3 alpha chain; CR3A; Cr4; F730045J24Rik; integrin alpha M; integrin alpha X; integrin alpha-M; Integrin alpha-X; integrin aX; integrin subunit alpha M; integrin subunit alpha X; integrin, alpha M; integrin, alpha M (complement component 3 receptor 3 subunit); integrin, alpha X; integrin, alpha X (antigen CD11C (p150), alpha polypeptide); integrin, alpha X (complement component 3 receptor 4 subunit); ITGAM; ITGAX; Leu M5; leu M5, alpha subunit; leukocyte adhesion glycoprotein p150,95 alpha chain; Leukocyte adhesion receptor MO1; leukocyte adhesion receptor p150,95; leukocyte surface antigen p150,95, alpha subunit; Ly-40; MAC1; MAC-1; Mac-1 alpha; MAC1A; Mac-1a; macrophage antigen alpha; macrophage antigen alpha polypeptide; MGC117044; MO1A; myeloid membrane antigen, alpha subunit; N418; Neutrophil adherence receptor; neutrophil adherence receptor alpha-M subunit; OX42; OX-42; p150 95 integrin alpha chain; RGD1561123; SLEB6
• Gene Symbols: Itgam, Itgax
• Host Species: Mouse
• Purification Method: Affinity chromatography
• Quantity: 100 μg
• Regulatory Status: RUO
• Primary or Secondary: Primary
• Gene ID (Entrez): 25021, 499271
• Target Species: Rat
• Content And Storage: 4°C, store in dark, DO NOT FREEZE!
• Product Type: Antibody
• Form: Liquid
• Isotype: IgG2a κ

Frequently Asked Questions (FAQs)

Can the eFluor Organic fluorochromes be used for intracellular staining?

Yes, the eFluor Organic fluorochromes can be used for intracellular staining. The eFluor organic fluorochromes maintain bright signal and require minimal changes in compensation when fixed with eBioscience IC Fixation Buffer (Cat. No. 00-8222-49) and Permeabilization Buffer (Cat. No. 00-8333-56) or 1-step Fix/Lyse Solution (Cat. No. 00-5333-54, 00-5333-57) (as compared to live cells).

Is the eFluor 660 fluorochrome compatible with Anti-Cy5/Alexa Fluor 647 beads?

Yes, in-house studies have demonstrated that the eFluor 660 fluorochrome is recognized by Anti-Cy5/Alexa Fluor 647 beads. Side by side studies with Alexa Fluor 647 versus eFluor 660 conjugated antibodies have demonstrated comparable results.

What buffers are compatible with the eFluor Organic fluorochromes and eVolve QDots?

The eFluor Organic fluorochromes and eVolve QDots can be used with flow staining buffers containing PBS and protein.

What is the difference between eFluor Organic Dyes and eVolve Qdots?

The eFluor Organic Dyes (eFluor 450, APC-eFluor 780, PerCP-eFluor 710, eFluor 710) are conventional fluorochromes. In contrast, the eVolve line of products are Quantum dots.

Are the eFluor Organic Dyes photo-labile?

As with other fluorochromes, we recommend minimal exposure to light to maintain optimal signal.