S100A9 Antibody (S100A9/1075) - BSA Free

Novus Biologicals | Catalog # NBP2-44913

Novus Biologicals
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Key Product Details

Species Reactivity

Human, Rat

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Flow Cytometry, Immunofluorescence, Immunocytochemistry/ Immunofluorescence

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 kappa Clone # S100A9/1075

Format

BSA Free
View all S100A9 Primary Antibodies »

Product Specifications

Immunogen

Recombinant human S100A9 protein (Uniprot: P06702)

Localization

Cytoplasmic, Extracellular (secreted) and Cell Surface

Marker

Macrophage Marker

Specificity

This monoclonal antibody stains the cytoplasm of macrophages and histiocytes in hematopoietic organs, Kupffers cells of the liver and Langerhans cells of the skin. It also stains the mantle zone B-lymphocytes of the lymph node and spleen, spermatogonia, and chief cells of the stomach. S100A9 is expressed by macrophages in acutely inflamed tissues and in chronic inflammation. It is detected in peripheral blood leukocytes, in neutrophils and granulocytes. It is present at sites of vascular inflammation. S100A9 is also expressed in epithelial cells constitutively or induced during dermatoses. S100A9 is a Calcium-binding protein. It has antimicrobial activity towards bacteria and fungi. It is important for resistance to invasion by pathogenic bacteria. It up-regulates transcription of genes that are under the control of NF-kappa-B. S100A9 plays a role in the development of endotoxic shock in response to bacterial lipopolysaccharide (LPS). It promotes tubulin polymerization when unphosphorylated. It also promotes phagocyte migration and infiltration of granulocytes at sites of wounding. It plays a role as a pro-inflammatory mediator in acute and chronic inflammation and up-regulates the release of IL8 and cell-surface expression of ICAM1.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Theoretical MW

14 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.

Description

200ug/ml of antibody purified from Bioreactor Concentrate by Protein A or G. Prepared in 10 mM PBS with 0.05% azide. Also available WITHOUT azide at 1.0 mg/ml. (NBP3-11559)

Antibody with azide - store at 2 to 8C. Antibody without azide - store at -20 to -80C.

Scientific Data Images for S100A9 Antibody (S100A9/1075) - BSA Free

Immunohistochemistry-Paraffin: S100A9 Antibody (S100A9/1075) [NBP2-44913]

Immunohistochemistry-Paraffin: S100A9 Antibody (S100A9/1075) [NBP2-44913]

Immunohistochemistry-Paraffin: S100A9 Antibody (S100A9/1075) [NBP2-44913] - Formalin-fixed, paraffin-embedded human skin carcinoma stained with S100A9 Antibody (S100A9/1075).
Immunohistochemistry-Paraffin: S100A9 Antibody (S100A9/1075) [NBP2-44913]

Immunohistochemistry-Paraffin: S100A9 Antibody (S100A9/1075) [NBP2-44913]

Immunohistochemistry-Paraffin: S100A9 Antibody (S100A9/1075) [NBP2-44913] - Formalin-fixed, paraffin-embedded human breast carcinoma stained with S100A9 Antibody (S100A9/1075).

Applications for S100A9 Antibody (S100A9/1075) - BSA Free

Application
Recommended Usage

Flow Cytometry

1-2 ug/million cells

Immunocytochemistry/ Immunofluorescence

1-2 ug/ml

Immunofluorescence

0.5 - 1.0 ug/ml

Immunohistochemistry-Paraffin

1-2 ug/ml
Application Notes
Immunohistochemistry (Formalin-fixed): 1-2ug/ml for 30 minutes at RT. For staining of formalin-fixed, paraffin-embedded tissues, digest with trypsin at 1mg/ml PBS, 15 min at RT.
Optimal dilution for a specific application should be determined.

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Formulation

10 mM PBS

Format

BSA Free

Preservative

0.05% Sodium Azide

Concentration

0.2 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C.

Background: S100A9

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.

Long Name

S100 Calcium Binding Protein A9

Alternate Names

Calgranulin B, MRP-14

Gene Symbol

S100A9

UniProt

P06702

Additional S100A9 Products

Product Documents for S100A9 Antibody (S100A9/1075) - BSA Free

Certificate of Analysis

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

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Product Specific Notices for S100A9 Antibody (S100A9/1075) - BSA Free

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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Protocols

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

FAQs for S100A9 Antibody (S100A9/1075) - BSA Free

Showing  1 - 2 of 2 FAQs Showing All

  • Q: Have any of your S100A9 antibodies been tested for use in neutralization, or blocking assays, on human samples?

    A: 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 Innovators Reward Program information can be found using this link.

  • Q: 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.

    A:

    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.

  • Q: Have any of your S100A9 antibodies been tested for use in neutralization, or blocking assays, on human samples?

    A: 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 Innovators Reward Program information can be found using this link.

  • Q: 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.

    A:

    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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