Immunohistochemistry-Paraffin: S100A8/A9 Antibody (MRP8 7C12/4) - Azide and BSA Free [NBP2-47667] - Human Tonsil stained with Macrophage L1 Protein Monoclonal Antibody (MAC387)
Flow Cytometry: S100A8/A9 Antibody (MRP8 7C12/4) - Azide and BSA Free [NBP2-47667] - Mouse splenocytes were fixed and permeabilized with Foxp3 Fixation/Permeabilization kit. Splenocytes were incubated with Fc block for ...read more
S100A9 Antibody (MAC387) - Azide and BSA Free Summary
Description
1.0 mg/ml of antibody purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS WITHOUT BSA & azide. Also available at 200 ug/ml WITH BSA & azide (NBP2-45295).
Antibody with azide - store at 2 to 8C. Antibody without azide - store at -20 to -80C.
Immunogen
Affinity Purified monocyte membrane preparation
Localization
Cytoplasmic
Specificity
Recognizes the L1 or Calprotectin molecule (S100A9), an intra-cytoplasmic antigen comprising of a 12kDa alpha chain and a 14kDa beta chain expressed by granulocytes, monocytes and by tissue macrophages. This monoclonal antibody reacts with neutrophils, monocytes, macrophages, and squamous mucosal epithelia and has been shown as an important marker for identifying macrophages in tissue sections.
Isotype
IgG1 Kappa
Clonality
Monoclonal
Host
Mouse
Gene
S100A9
Purity
Protein A or G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
Immunohistochemistry (Formalin-fixed): 1-2ug/ml for 30 minutes at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95C followed by cooling at RT for 20 minutes. Optimal dilution for a specific application should be determined.
Publications
Read Publication using NBP2-47667 in the following applications:
Alternate Names for S100A9 Antibody (MAC387) - Azide and BSA Free
CAGBMigration inhibitory factor-related protein 14
Calgranulin B
calgranulin-B
Calprotectin L1H subunit
CFAGMRP-14,60B8AG
CGLB
L1AG
LIAG
MAC387
MIF
MRP-14
MRP14Leukocyte L1 complex heavy chain
NIF
P14
protein S100-A9
S100 calcium binding protein A9 (calgranulin B)
S100 calcium binding protein A9
S100 calcium-binding protein A9 (calgranulin B)
S100 calcium-binding protein A9
S100A9
Background
S100A9 is a member of the S100 family of proteins containing 2 EF-hand calcium-binding motifs. S100 proteins are localized in the cytoplasm and/or nucleus of a wide range of cells, and are involved in the regulation of a number of cellular processes such as cell cycle progression and differentiation. S100A9 may function in the inhibition of casein kinase, and altered expression is associated with the disease cystic fibrosis. Overexpression of S100A9 has also recently been linked to a poor prognosis with invasive ductal carcinoma of the breast.
Limitations
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.
FAQs for S100A8/A9 Antibody (NBP2-47667). (Showing 1 - 2 of 2 FAQ).
Have any of your S100A9 antibodies been tested for use in neutralization, or blocking assays, on human samples?
Unfortunately at this time we have not tested, or received customer feedback on our S100A9 antibodies for use in blocking or neutralizing assays. If you were planning on testing any of our S100A9 antibodies for neutralizing or blocking capabilities, we would recommend our Innovator’s Reward Program. Under the terms of this program we would be happy to provide a credit for a free vial in exchange for new data on this previously untested or reported application. Please submit this data in the form of an online review. Additional <a href="http://www.novusbio.com/support/innovators-reward.html" target="_self">Innovators Reward Program</a> information can be found using this link.
We would like to stain paraffin embedded human intestinal tissue for Calprotectin. One question will be which cells express the majority of Calprotectin - invading neutrophils vs epithelium for example. The antibody list you provide is quite extensive. Which antibody would you recommend for our purpose? Which tissue would you recommend as positive control.
Nine of our antibodies to Calprotectin have been validated for IHC-P with human tissue, and you can see all of these products. A number of our IHC images were generated using human spleen samples, and as such this may be a good choice of a positive control tissue. We do sell a human spleen slide product, which is suitable for IHC-P. Unfortunately I do not have an in-depth knowledge of Calprotectin, however the image shown for our antibody with catalogue number NBP1-02826 demonstrates clear staining of neutrophils. The following paper also suggests that the protein is abundant in neutrophils: PMID 11435495.
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