Anti-CD11b antibody [EPR1344] - BSA and Azide free
- BOND RX™ Validated
- Recombinant
- Advanced Validation
- RabMAb
- What is this?
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(10 Publications)
Anti-CD11b antibody [EPR1344] - BSA and Azide free (ab209970) is a rabbit recombinant monoclonal antibody provided in a PBS only buffer for easy conjugation detecting CD11b in Western Blot, IHC-P, mIHC. Suitable for Human, Mouse, Rat.
- BSA, sodium azide, and glycerol-free for easy conjugation
- Multiplex IHC validated on the Leica BOND® MAX using Opal reagents
- Biophysical QC for unrivalled batch-batch consistency
View Alternative Names
CD11b, CD11B, CR3A, ITGAM, Integrin alpha-M, CD11 antigen-like family member B, CR-3 alpha chain, Cell surface glycoprotein MAC-1 subunit alpha, Leukocyte adhesion receptor MO1, Neutrophil adherence receptor
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
This data was developed using the same antibody clone in a different buffer formulation (ab133357).
Immunohistochemical analysis of formalin fixed paraffin embedded human spleen labelling CD11b with ab133357 at a concentration of 0.32 µg/ml. The immunostaining was performed on a Leica Biosystems BOND® RX instrument with a Bond™ Polymer Refine Detection kit. Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution 2) for 20 mins. ab133357Anti-CD11b antibody was incubated for 30 mins at room temperature. Sections were counterstained with Hematoxylin. Image inset shows absence of staining in secondary antibody only control.
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
IHC image of CD11b staining in a formalin fixed, paraffin embedded human normal spleen tissue section*, performed on a Leica Bond™ system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab133357 at 1/4000 dilution, for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX.
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab133357).
- IHC-P
Unknown
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
Immunohistochemical staining of paraffin embedded human spleen with purified ab133357 at a working dilution of 1 in 4000. The secondary antibody used is a HRP goat anti-rabbit (ab97051). The sample is counter-stained with hematoxylin. Antigen retrieval was perfomed using Tris-EDTA buffer, pH 9.0. PBS was used instead of the primary antibody as the negative control, and is shown in the inset.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab133357).
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
This data was developed using the same antibody clone in a different buffer formulation (ab133357).
Immunohistochemical analysis of formalin fixed paraffin embedded human spleen labelling CD11b with ab133357 at a concentration of 1µg/ml. The immunostaining was performed on a Ventana DISCOVERY ULTRA (Roche Tissue Diagnostics) instrument with an OptiView DAB IHC Detection Kit. Heat mediated antigen retrieval was conducted for 32 mins at 100°C with ULTRA cell conditioning solution (CC1, pH 8.5). ab133357 Anti-CD11b antibody was incubated at 37°C for 16 mins. Sections were counterstained with Hematoxylin II. Image inset shows absence of staining in secondary antibody only control.
- mIHC
Supplier Data
Multiplex immunohistochemistry - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
This data was developed using ab317272 the same antibody clone in a different buffer formulation.
Multiplex immunohistochemistry analysis of formalin/PFA-fixed paraffin-embedded mouse spleen tissue staining LY6C with ab317272 at a 1 : 100 (0.978 ug/ml) dilution, ab133357 anti-CD11b used at 1 : 20000 (0.05 ug/ml) dilution and ab245235 anti-CD19 used at a 1 : 1000 (0.999 ug/ml) dilution.
Panel A : merged staining of anti-Ly6c (green; Opal™690), anti-CD11b (magenta; Opal™570) and anti-CD19 (yellow; Opal™520) on mouse spleen.
Panel B : anti-Ly6c stained on monocytes/macrophages.
Panel C : anti-CD11b stained on monocytes/macrophages.
Panel D : anti-CD19 stained on B cells.
Co-staining of Ly6c and CD11b can be observed.
The section was incubated in three rounds of staining : in the order of ab317272, ab133357, and ab245235 for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system.
Nuclear DNA was labeled with DAPI (shown in blue).
The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope.
Nuclear counter stain with DAPI.
Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
ab133357 staining CD11b in paraffin embedded Mouse lung tissue sections by Immunohistochemistry. Heat mediated antigen retrieval was performed using ab93684 (Tris/EDTA buffer, pH 9.0). Samples were incubated with primary antibody at 1/4000 dilution (0.031 μg/ml). A ready to use Goat Anti-rabbit IgG H&L (HRP) was used as the secondary antibody. Hematoxylin was used as a counterstain. Positive staining on stromal cells of mouse lung.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab133357).
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
ab133357 staining CD11b in paraffin embedded Rat cerebrum tissue sections by Immunohistochemistry. Heat mediated antigen retrieval was performed using ab93684 (Tris/EDTA buffer, pH 9.0). Samples were incubated with primary antibody at 1/4000 dilution (0.29 μg/ml). A ready to use Goat Anti-rabbit IgG H&L (HRP) was used as the secondary antibody. Hematoxylin was used as a counterstain. Positive staining on gliocytes of rat cerebrum [PMID : 20483006].
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab133357).
- IHC-P
AbReview53642****
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
Formaldehyde-fixed, paraffin-embedded rat bone marrow tissue stained for CD11b using ab133357 at 1/5000 in immunohistochemical analysis.
Heat mediated antigen retrieval with EDTA buffer pH 9 was performed before commencing with staining protocol. 1% casein was used as blocking agent.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab133357).
- IHC-P
Lab
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
ab133357 staining CD11b in paraffin embedded Mouse colon tissue sections by Immunohistochemistry. Heat mediated antigen retrieval was performed using ab93684 (Tris/EDTA buffer, pH 9.0). Samples were incubated with primary antibody at 1/4000 dilution (0.031 μg/ml). A ready to use Goat Anti-rabbit IgG H&L (HRP) was used as the secondary antibody. Hematoxylin was used as a counterstain. Positive staining on stromal cells of mouse colon.
This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab133357).
- WB
Lab
Western blot - Anti-CD11b antibody [EPR1344] - BSA and Azide free (AB209970)
This data was developed using ab133357, the same antibody clone in a different buffer formulation. Different batches of ab133357 were tested on Rat spleen lysate at 0.1 µg/ml. 15 µg of lysate was loaded in each lane. Bands observed at 170 kDa.
All lanes:
Western blot - Anti-CD11b antibody [EPR1344] (<a href='/en-us/products/primary-antibodies/cd11b-antibody-epr1344-ab133357'>ab133357</a>)
Predicted band size: 127 kDa
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Related conjugates and formulations (10)
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Anti-CD11b antibody [EPR1344]
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603 Alexa Fluor® 568
Alexa Fluor® 568 Anti-CD11b antibody [EPR1344]
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775 Alexa Fluor® 750
Alexa Fluor® 750 Anti-CD11b antibody [EPR1344]
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Biotin Anti-CD11b antibody [EPR1344]
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HRP Anti-CD11b antibody [EPR1344]
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Anti-CD11b antibody [EPR1344] - Low endotoxin, Azide free
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519 Alexa Fluor® 488
Alexa Fluor® 488 Anti-CD11b antibody [EPR1344]
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565 Alexa Fluor® 555
Alexa Fluor® 555 Anti-CD11b antibody [EPR1344]
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665 Alexa Fluor® 647
Alexa Fluor® 647 Anti-CD11b antibody [EPR1344]
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617 Alexa Fluor® 594
Alexa Fluor® 594 Anti-CD11b antibody [EPR1344]
Reactivity data
Product details
What is this antibody validated in?
Anti-CD11b antibody [EPR1344] - BSA and Azide free (ab209970) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Immunohistochemistry (IHC-P), Multiplex IHC (mIHC) in Human, Mouse, Rat samples.
What is the molecular weight of CD11b?
Anti-CD11b [EPR1344] - BSA and Azide free (ab209970) specifically detects a band for CD11b (UniProt: P11215) at a molecular weight of 127kDa.
Other related products
We have a range of other formats of antibody clone [EPR1344] also available for your convenience: ab133357, HRP - ab204472, Carrier free - ab209970, Carrier free - ab216445, Alexa Fluor® 488 - ab307387, Alexa Fluor® 555 - ab307391, Alexa Fluor® 647 - ab307523, Alexa Fluor® 594 - ab311811, Alexa Fluor® 568 - ab313094, Alexa Fluor® 750 - ab321047, Biotin - ab322298
Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
- - High batch-to-batch consistency and reproducibility
- - Improved sensitivity and specificity
- - Long-term security of supply
- - Animal-free batch production
For more information, read more on recombinant antibodies.
Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.
Properties and storage information
Form
Purification technique
Storage buffer
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
CD11b plays a critical role in various immune responses by mediating phagocytosis chemotaxis and cell migration. It is essential for proper leukocyte adherence to endothelial cells and for the engulfment of pathogens or apoptotic cells. CD11b as part of the Mac-1 complex contributes to the immune surveillance and inflammatory processes. This complex interacts with diverse ligands like ICAM-1 fibrinogen and complement component iC3b facilitating an immunological response.
Pathways
CD11b is instrumental within the integrin signaling pathway and the Leukocyte Transendothelial Migration pathway. Its interaction with ICAM-1 is central to the leukocyte adhesion cascade influencing the movement of immune cells across endothelial barriers. CD11b also associates with proteins such as Src family kinases and PI3K which activate downstream signaling responsible for the reorganization of the cytoskeleton and cell movement during immune responses.
Product protocols
- Visit the General protocols
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Target data
Publications (10)
Recent publications for all applications. Explore the full list and refine your search
International journal of molecular sciences 26: PubMed40943295
2025
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Communications biology 8:1040 PubMed40640354
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Nature communications 16:6009 PubMed40593805
2025
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Nature immunology 26:1182-1197 PubMed40588561
2025
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Cell 187:3120-3140.e29 PubMed38714197
2024
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Cell & bioscience 14:19 PubMed38311785
2024
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Cell reports methods 3:100595 PubMed37741277
2023
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Cell metabolism 35:1209-1226.e13 PubMed37172577
2023
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Immunity 55:1118-1134.e8 PubMed35447093
2022
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PloS one 9:e106809 PubMed25184686
2014
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Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
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