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Key Documents

HPA050507

Sigma-Aldrich

Anti-EPX antibody produced in rabbit

enhanced validation

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Synonym(s):

Anti-EPO, Anti-EPP, Anti-EPX-PEN, Anti-eosinophil peroxidase

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.43

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

product line

Prestige Antibodies® Powered by Atlas Antibodies

form

buffered aqueous glycerol solution

species reactivity

human

enhanced validation

orthogonal RNAseq
Learn more about Antibody Enhanced Validation

technique(s)

immunohistochemistry: 1:200-1:500
western blot: 0.04-0.4 μg/mL

immunogen sequence

EGTDPASPGAVETSVLRDCIAEAKLLVDAAYNWTQKS

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... EPX(8288)

General description

The gene EPX (eosinophil peroxidase) is mapped to human chromosome 17q22. The gene encodes for a secondary granule protein. The EPX protein is mainly secreted by eosinophils. It belongs to the alarmin family of proteins.

Immunogen

eosinophil peroxidase recombinant protein epitope signature tag (PrEST)

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

EPX (eosinophil peroxidase) is a heme-containing enzyme. It is also a pro-angiogenic protein and stimulates endothelial cells to control vessel development. Levels of EPX in sputum is connected with eosinophil cell counts in the sputum. Single nucleotide polymorphism in this gene is associated with inflammatory bowel disease. This association is dependent on the age and gender of the person. Humans with ulcerative colitis show high intraluminal release of EPX. EPX is also linked with various cancers. Absence or low activity of EPX causes hereditary eosinophil peroxidase deficiency.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST85431

Physical form

Solution in phosphate buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide.

Legal Information

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

WGK

WGK 1


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Nasal and pharyngeal eosinophil peroxidase levels in adults with poorly controlled asthma correlate with sputum eosinophilia.
Rank MA, et al.
Allergy, 71, 567-570 (2016)
Eosinophil associated genes in the inflammatory bowel disease 4 region: correlation to inflammatory bowel disease revealed.
Blom K, et al.
World Journal of Gastroenterology, 18, 6409-6419 (2012)
Hereditary eosinophil peroxidase deficiency: immunochemical and spectroscopic studies and evidence for a compound heterozygosity of the defect.
Romano M, et al.
Proceedings of the National Academy of Sciences of the USA, 91, 12496-12500 (1994)
Uncovering a new role for peroxidase enzymes as drivers of angiogenesis.
Panagopoulos V, et al.
The International Journal of Biochemistry & Cell Biology, 68, 128-138 (2015)
Andreia M Nunes et al.
Human molecular genetics, 33(10), 872-883 (2024-02-10)
Facioscapulohumeral muscular dystrophy (FSHD) is a progressive myopathy caused by the aberrant increased expression of the DUX4 retrogene in skeletal muscle cells. The DUX4 gene encodes a transcription factor that functions in zygotic genome activation and then is silenced in

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