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- Tel: 858.663.9055
- Email: info@nsjbio.com
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Recombinant Eosinophil Peroxidase Antibody rEPO104 recognizes eosinophil peroxidase (EPX), a heme-containing enzyme stored in the cytoplasmic granules of eosinophils. Encoded by the EPX gene, this protein is a major component of eosinophil secondary granules and contributes to innate immune defense through the generation of reactive oxidants. Eosinophil peroxidase is expressed predominantly in eosinophils, making it a useful marker for identifying these granulocytes in tissues and investigating their involvement in inflammatory responses.
Eosinophils are specialized immune cells involved in host defense against parasitic infections, allergic inflammation, and tissue remodeling. Following activation, eosinophils release granule proteins through regulated degranulation or other cellular processes. These proteins include eosinophil peroxidase, major basic protein, eosinophil cationic protein, and eosinophil-derived neurotoxin. Together, they contribute to antimicrobial activity, immune signaling, and interactions with surrounding tissues.
EPX belongs to the mammalian heme peroxidase family, which also includes myeloperoxidase, lactoperoxidase, and thyroid peroxidase. The mature enzyme consists of heavy and light chains generated through proteolytic processing of a precursor protein. Eosinophil peroxidase uses hydrogen peroxide to oxidize halide and pseudohalide substrates, producing reactive species capable of damaging microorganisms. However, excessive enzyme release can also contribute to oxidative stress and tissue injury during persistent inflammation.
Elevated eosinophil accumulation and degranulation are associated with allergic asthma, eosinophilic gastrointestinal disorders, chronic rhinosinusitis, and hypereosinophilic syndromes. Detection of EPX can help characterize eosinophil infiltration and investigate the contribution of eosinophil granule proteins to inflammatory pathology. Immunohistochemistry provides information about eosinophil distribution in tissue sections, while immunofluorescence and flow cytometry support investigations of cellular expression and eosinophil populations.
Recombinant Eosinophil Peroxidase Antibody rEPO104 is a recombinant mouse monoclonal antibody recognizing human EPX. Recombinant production preserves a defined antibody sequence and supports consistent clone identity across production batches. This antibody is available from NSJ Bioreagents for research involving eosinophil biology, allergic inflammation, and immune-mediated tissue injury.
An EPX Antibody provides a useful reagent for studying eosinophil-associated inflammatory responses and the biological functions of eosinophil peroxidase.
Optimal dilution of the Recombinant Eosinophil Peroxidase Antibody rEPO104 should be determined by the researcher.
Human eosinophils from a patient with hypereosinophilic syndrome were used as the immunogen for the Recombinant Eosinophil Peroxidase Antibody rEPO104.
Store the Recombinant Eosinophil Peroxidase Antibody rEPO104 at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).
EPX antibody, Eosinophil Peroxidase antibody, Eosinophil Peroxidase Heavy Chain antibody, Eosinophil Peroxidase Light Chain antibody, Eosinophil Granule Peroxidase antibody
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