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Rabbit Recombinant Monoclonal S100A9 antibody. Carrier free. Suitable for WB, ICC/IF, Flow Cyt (Intra), IHC-P and reacts with Mouse, Rat samples.

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Images

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-S100A9 antibody [EPR22332-75] - BSA and Azide free (AB243108), expandable thumbnail
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-S100A9 antibody [EPR22332-75] - BSA and Azide free (AB243108), expandable thumbnail
  • Flow Cytometry (Intracellular) - Anti-S100A9 antibody [EPR22332-75] - BSA and Azide free (AB243108), expandable thumbnail
  • Immunocytochemistry/ Immunofluorescence - Anti-S100A9 antibody [EPR22332-75] - BSA and Azide free (AB243108), expandable thumbnail

Key facts

Isotype

IgG

Host species

Rabbit

Storage buffer

pH: 7.2 - 7.4
Constituents: PBS

Form

Liquid

Clonality

Monoclonal

Immunogen

  • The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

Select an application
Product promiseTestedExpectedPredictedNot recommended
IPWBICC/IFIHC-FrFlow Cyt (Intra)IHC-P
Mouse
Not recommended
Expected
Tested
Not recommended
Tested
Expected
Rat
Not recommended
Expected
Expected
Not recommended
Expected
Tested

Not recommended
Not recommended

Species

Mouse

Dilution info

-

Notes

Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Species

Rat

Dilution info

-

Notes

-

Expected
Expected

Species

Mouse, Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Tested
Tested

Species

Mouse

Dilution info

-

Notes

-

Expected
Expected

Species

Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Not recommended
Not recommended

Species

Mouse, Rat

Dilution info

-

Notes

-

Tested
Tested

Species

Mouse

Dilution info

-

Notes

-

Expected
Expected

Species

Rat

Dilution info

Use at an assay dependent concentration.

Notes

-

Tested
Tested

Species

Rat

Dilution info

-

Notes

Perform heat-mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Expected
Expected

Species

Mouse

Dilution info

Use at an assay dependent concentration.

Notes

-

Associated Products

Select an associated product type

15 products for Alternative Product

2 products for Alternative Version

Target data

Function

S100A9 is a calcium- and zinc-binding protein which plays a prominent role in the regulation of inflammatory processes and immune response (PubMed:15331440, PubMed:17767165, PubMed:18403730, PubMed:19402754, PubMed:22804476). It can induce neutrophil chemotaxis, adhesion, can increase the bactericidal activity of neutrophils by promoting phagocytosis via activation of SYK, PI3K/AKT, and ERK1/2 and can induce degranulation of neutrophils by a MAPK-dependent mechanism (By similarity). Predominantly found as calprotectin (S100A8/A9) which has a wide plethora of intra- and extracellular functions (By similarity). The intracellular functions include: facilitating leukocyte arachidonic acid trafficking and metabolism, modulation of the tubulin-dependent cytoskeleton during migration of phagocytes and activation of the neutrophilic NADPH-oxidase (PubMed:15331440). Activates NADPH-oxidase by facilitating the enzyme complex assembly at the cell membrane, transferring arachidonic acid, an essential cofactor, to the enzyme complex and S100A8 contributes to the enzyme assembly by directly binding to NCF2/P67PHOX (By similarity). The extracellular functions involve proinflammatory, antimicrobial, oxidant-scavenging and apoptosis-inducing activities (PubMed:21382888). Its proinflammatory activity includes recruitment of leukocytes, promotion of cytokine and chemokine production, and regulation of leukocyte adhesion and migration (By similarity). Acts as an alarmin or a danger associated molecular pattern (DAMP) molecule and stimulates innate immune cells via binding to pattern recognition receptors such as Toll-like receptor 4 (TLR4) and receptor for advanced glycation endproducts (AGER) (PubMed:17767165, PubMed:18403730, PubMed:19402754). Binding to TLR4 and AGER activates the MAP-kinase and NF-kappa-B signaling pathways resulting in the amplification of the proinflammatory cascade (PubMed:17767165, PubMed:18403730, PubMed:19402754, PubMed:22804476). Has antimicrobial activity towards bacteria and fungi and exerts its antimicrobial activity probably via chelation of Zn(2+) which is essential for microbial growth (By similarity). Can induce cell death via autophagy and apoptosis and this occurs through the cross-talk of mitochondria and lysosomes via reactive oxygen species (ROS) and the process involves BNIP3 (By similarity). Can regulate neutrophil number and apoptosis by an anti-apoptotic effect; regulates cell survival via ITGAM/ITGB and TLR4 and a signaling mechanism involving MEK-ERK (By similarity). Its role as an oxidant scavenger has a protective role in preventing exaggerated tissue damage by scavenging oxidants (By similarity). The iNOS-S100A8/A9 transnitrosylase complex is proposed to direct selective inflammatory stimulus-dependent S-nitrosylation of multiple targets such as GAPDH, NXA5, EZR, MSN and VIM by recognizing a [IL]-x-C-x-x-[DE] motif (By similarity).

Alternative names

Protein S100-A9, Calgranulin-B, Leukocyte L1 complex heavy chain, Migration inhibitory factor-related protein 14, S100 calcium-binding protein A9, MRP-14, p14, Mrp14, Cagb, S100a9

Recommended products

Rabbit Recombinant Monoclonal S100A9 antibody. Carrier free. Suitable for WB, ICC/IF, Flow Cyt (Intra), IHC-P and reacts with Mouse, Rat samples.

Alternative names

Protein S100-A9, Calgranulin-B, Leukocyte L1 complex heavy chain, Migration inhibitory factor-related protein 14, S100 calcium-binding protein A9, MRP-14, p14, Mrp14, Cagb, S100a9

Key facts

Isotype

IgG

Form

Liquid

Clonality

Monoclonal

Immunogen
  • The exact immunogen used to generate this antibody is proprietary information.
Carrier free

Yes

Clone number

EPR22332-75

Purification technique

Affinity purification Protein A

Concentration
Loading...

Storage

Shipped at conditions

Blue Ice

Appropriate long-term storage conditions

+4°C

Storage information

Do Not Freeze

Notes

ab243108 is the carrier-free version of Anti-S100A9 antibody [EPR22332-75] ab242945.

Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

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.

Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. The carrier-free buffer and high concentration allow for increased conjugation efficiency.

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.

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.

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.

Activity summary

S100A9 also known as calgranulin B or MRP-14 is a calcium-binding protein with a molecular weight of approximately 13 kDa. It belongs to the S100 family and forms part of a heterodimeric complex with S100A8. S100A9 is largely found in myeloid cells such as neutrophils and monocytes. It plays a significant role in the cytosol and can be secreted to the extracellular space under specific stress conditions.

Biological function summary

S100A9 impacts inflammatory responses and immune regulation. It partners with S100A8 to form the calprotectin complex which acts as a strong pro-inflammatory mediator. This complex binds to receptors like RAGE and TLR4 initiating signaling pathways that promote inflammation. S100A9 also participates in leukocyte recruitment and has antimicrobial properties blocking the growth of bacteria and fungi by chelating essential metal ions.

Pathways

Several are influenced by S100A9 including the NF-kB and MAPK signaling pathways. Through its interaction with RAGE and TLR4 receptors S100A9 influences the activation of these pathways which are important in the regulation of inflammatory and immune responses. Other proteins involved in these pathways include MyD88 for TLR4 signaling and various kinases for MAPK signaling positioning S100A9 as an important regulator within the inflammatory networks.

Associated diseases and disorders

S100A9 links to various inflammatory and autoimmune conditions such as rheumatoid arthritis and inflammatory bowel disease. Increased levels of S100A9 have been observed in these conditions where it augments the inflammatory response. In rheumatoid arthritis for example S100A9 upregulation correlates with increased joint inflammation and damage. The protein’s interaction with S100A8 in these diseases highlights its contribution to the pathogenesis and progression of inflammation-related conditions.

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

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