Cayman’s MPO Peroxidation Fluorometric Assay provides a convenient fluorescence-based method for detecting MPO peroxidase activity in both crude cell lysates and purified enzyme preparations. The assay utilizes the peroxidase component of MPO. The reaction between hydrogen peroxide and 10-acetyl-3

Myeloperoxidase Peroxidation Fluorometric Assay Kit – 2 x 96 wells

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Cayman
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Myeloperoxidase (MPO) is a member of the heme peroxidase superfamily and is stored within the azurophilic granules of leukocytes.{16902} MPO is found within circulating neutrophils, monocytes, and some tissue macrophages.{16923} A unique activity of MPO is its ability to use chloride as a cosubstrate with hydrogen peroxide to generate chlorinating oxidants such as hypochlorous acid, a potent antimicrobial agent.{16904} Recently, evidence has emerged that MPO-derived oxidants contribute to tissue damage and the initiation and propagation of acute and chronic vascular inflammatory diseases.{9886,9889} The fact that circulating levels of MPO have been shown to predict risks for major adverse cardiac events and that levels of MPO-derived chlorinated compounds are specific biomarkers for disease progression, has attracted considerable interest in the development of therapeutically useful MPO inhibitors.{16905} MPO also oxidizes a variety of substrates, including phenols and anilines, via the classic peroxidation cycle. The relative concentrations of chloride and the reducing substrate determine whether MPO uses hydrogen peroxide for chlorination or peroxidation. Cayman’s MPO Peroxidation Fluorometric Assay provides a convenient fluorescence-based method for detecting the MPO peroxidase activity in both crude cell lysates and purified enzyme preparations. The assay utilizes the peroxidase component of MPO. The reaction between hydrogen peroxide and ADHP (10-acetyl-3,7-dihydroxyphenoxazine) produces the highly fluorescent compound resorufin. Resorufin fluorescence can be easily analyzed with an excitation wavelength of 530-540 nm and emission wavelength of 585-595 nm. The kit includes a MPO-specific inhibitor for distinguishing between MPO activity from MPO-independent fluorescence.  

 

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Cayman’s MPO Peroxidation Fluorometric Assay provides a convenient fluorescence-based method for detecting MPO peroxidase activity in both crude cell lysates and purified enzyme preparations. The assay utilizes the peroxidase component of MPO. The reaction between hydrogen peroxide and 10-acetyl-3,7-dihydroxyphenoxazine (ADHP) produces the highly fluorescent compound resorufin. Resorufin fluorescence is analyzed with an excitation wavelength between 530-540 nm and emission wavelength between 585-595 nm. The kit includes an MPO-specific inhibitor for distinguishing MPO activity from MPO-independent fluroescence.

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Synonyms:  MPO Peroxidation Assay Kit

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Product Type|Assay Kits|Enzyme Activity||Product Type|Assay Kits|Fluorometric Assays||Research Area|Cardiovascular System|Cardiovascular Diseases||Research Area|Immunology & Inflammation|Innate Immunity

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