Integrin alpha M/CD11b Antibody (EPR1344) 0.1 ml Microglia Marker, Myeloid Marker

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Western Blot: Integrin alpha M/CD11b Antibody (EPR1344) [NBP1-42075] - Mouse perfipheral nerve and ganglia visualized with a 1:1000 dilution. Image provided by verified customer review.
Immunohistochemistry-Paraffin: Integrin alpha M/CD11b Antibody (EPR1344) [NBP1-42075] - Human spleen tissue.
Western Blot: Integrin alpha M/CD11b Antibody (EPR1344) [NBP1-42075] - (A) THP-1 +TPA (B) TF-1 cell lysates.
Immunohistochemistry-Paraffin: Integrin alpha M/CD11b Antibody (EPR1344) [NBP1-42075] - Analysis of paraffin-embedded human tonsil tissue using anti-CD11b.
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Ordering Information: NBP1-42075

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Integrin alpha M/CD11b Antibody (EPR1344) Summary

Species Human, Mouse, Rat (Negative)
Tested Applications WB, Flow, ICC/IF, IHC, IHC-P
Protein A purified
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Integrin alpha M/CD11b Antibody (EPR1344) Details

Microglia Marker, Myeloid Marker
A synthetic peptide corresponding to residues in human CD11b was used as an immunogen.

Species Reactivity

For Mouse this antibody is recommended for Western Blot only.
Reviewed Species Read 3 rated 4
using NBP1-42075 in the following species:


  • Western Blot 1:1000-5000
  • Flow Cytometry 1:100
  • Immunocytochemistry/Immunofluorescence 1:100-250
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Paraffin 1:100-250
Application Notes
In Western blot this antibody detects a band at approximately 170 kDa.
Reviewed Applications
Read 3 Review rated 4
NBP1-42075 in the following applications:

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Product PDFs

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Average Rating: 4
Recent Reviews
WB Tested In Mouse
Reviewed On: 02/28/2014
Rated: 4

Integrin alpha M/CD11b NBP1-42075
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Produced using Abcam's RabMab® technology. RabMab® technology is covered by the following U.S. Patents, No. 5,675,063 and/or 7,429,487.

Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
PBS 59%, Glycerol 40%, BSA 0.05%, pH: 7.40
Unit Size
0.1 ml
Please see the vial label for concentration. If unlisted please contact technical services.
0.01% Sodium Azide
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.


Gene Symbol ITGAM

Alternate Names for Integrin alpha M/CD11b Antibody (EPR1344)

  • CD11b
  • antigen CD11b (p170)
  • CD11 antigen-like family member B
  • CD11b
  • CD11b antigen
  • CD11Bintegrin, alpha M (complement component receptor 3, alpha; also known as CD11b(p170), macrophage antigen alpha polypeptide)
  • Cell surface glycoprotein MAC-1 subunit alpha
  • CR-3 alpha chain
  • CR3AMGC117044
  • integrin alpha-M
  • integrin, alpha M (complement component 3 receptor 3 subunit)
  • Leukocyte adhesion receptor MO1
  • MAC-1
  • MAC1A
  • macrophage antigen alpha polypeptide
  • MO1A
  • Neutrophil adherence receptor
  • neutrophil adherence receptor alpha-M subunit
  • SLEB6
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Related Products by Gene


CD11b (integrin alphaM subunit) is a 165-170 kDa type I transmembrane glycoprotein that non-covalently associates with integrin beta2 subunit (CD18); expression of the CD11b chain on the cell surface requires the presence of the CD18 antigen. CD11b/CD18 integrin (Mac-1, CR3) is highly expressed on NK cells, neutrophils, monocytes and less on macrophages. CD11b/CD18 integrin is implicated in various adhesive interactions of monocytes, macrophages and granulocytes, facilitating their diapedesis, as well as it mediates the uptake of complement coated particles, serving as a receptor for the iC3b fragment of the third complement component.

Reviews for Integrin alpha M/CD11b Antibody (NBP1-42075) (3) 43

Read what people are saying who have used Integrin alpha M/CD11b Antibody (NBP1-42075).

We have 3 reviews tested in 2 species: Human, Mouse.
We have 3 reviews tested in 2: Western Blot, Immunofluorescence.
Average Rating: 4
(Based on 3 reviews)

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Sort 3 reviews for Integrin alpha M/CD11b Antibody (NBP1-42075) by:
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Images Ratings Applications Species Reviewed By Date Details
Western Blot Integrin alpha M/CD11b NBP1-42075
Click to Enlarge
Very Good
WB Mouse Anonymous 02/28/2014


ApplicationWestern Blot
Sample TestedMouse peripheral nerve and ganglia


Blocking Details5% BSA for 1 hour at room temperature

Primary Anitbody

Dilution Ratio1:1000 in 5% BSA overnight at 4 degrees C

Secondary Antibody

Secondary Manufacturer Cat#711-036-152
Secondary Concentration1:2000


Detection NotesECL detection
Western Blot Integrin alpha M/CD11b NBP1-42075
Click to Enlarge
Very Good
WB Mouse Anonymous 02/28/2014


ApplicationWestern Blot
Sample TestedMouse sciatic nerves
Immunofluorescence Integrin alpha M/CD11b NBP1-42075
Click to Enlarge
Very Good
IF Human Anonymous 10/03/2013


Special ApplicationsThe cells were washed twice in PBS and fixed for 5 min at room temperature in 4% formaldehyde in PBS (v/v). Fixed cells were incubated for 30 min with 10% bovine serum albumin (BSA) in PBS (w/v) to block unspecific bindings. After blocking, cells were incubated with primary and secondary antibodies for 60 min each at room temperature in the dark. Antibodies were diluted in immunostain enhancer (Thermo Scientific, Belgium) as follows: rabbi anti-human CD11b 1:200 (clone EPR1344; Novus Biologicals UK), goat anti-rabbit dylight 488 1:2000 (AS09 633; Agrisera, Vännas, Sweden). Nuclei were counterstained with 4’,6’-diamidino-2-phenylindole (DAPI) and cellular membranes were stained with cell mask deep red (C10046; Invitrogen, Leusden, the Netherlands).
Pub Med ID23890538
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Publications for Integrin alpha M/CD11b Antibody (NBP1-42075) (0)

There are no publications for Integrin alpha M/CD11b Antibody (NBP1-42075).
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Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

Video Protocols

WB Video Protocol
ICC/IF Video Protocol

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FAQs for Integrin alpha M/CD11b (3)

  1. I am looking for a Mac-1 (microglia cell marker) antibody to do immunostaining with my mouse brain and I checked, you have a lot of antibodies for this biomarker. I don't know which one is the best to be used for immunohistology on mouse brain tissue. Could you please help with this?
    • I would recommend NB110-89474. This antibody has been published in 11 scientific articles, including several times in IHC in mouse. As long as CD11b is expressed in your sample, it should work just fine and is backed by our 100% Novus Guarantee.
  2. In the immunohistochemistry paraffin section protocol....the PBS buffer....should it be at certain pH?
    • For IHC application, different labs cites the pH of PBS buffer in the range of 7.1 - 7.6 but most commonly used pH is pH 7.4 (this is what we use in our lab). You may use this PBS (pH 7.4) for making permeablization buffer, antibody diluent buffers and for making wash buffer. For more on the protocol that we use in our lab and for IHC-P troubleshooting suggestions, you may visit: IHC-P Protocol and IHC-P Troubleshooting.
  3. I was wondering what does Format 7C mean as far as anitbodies go?
    • 7C is a fluorophore - it is useful for FLOW. The details of the fluor are (A=425, E=500)

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