Human Myeloperoxidase Magnetic Luminex Performance Assay
Human Myeloperoxidase Magnetic Luminex Performance Assay Summary
| Assay Type | bead-based multiplex assay for the Luminex® platform |
| Format | 1 x 96-well microplate and antibody-coated beads |
| Analytes Detected | Please see analyte list in assay customization tool below. |
| Performance Validation | Luminex Assays are validated for use with cell culture supernatants, plasma and serum. All Luminex assays are tested for sensitivity, intra-assay precision, inter-assay precision and to ensure assay linearity for validated sample types. Antibody pairs are selected and tested to confirm the parallel detection of natural and recombinant standard protein and to ensure the accurate determination of target analytes within biological samples. Assays for each target analyte are screened against all target analytes to confirm low antibody cross-reactivity. For standard curves, intra-assay and inter-assay precision, recovery, and linearity data for the different analyte-specific beads, please see product datasheets for corresponding individual Bead Sets (below). |
Not finding your analyte of interest? View our complete Luminex offering in the full version of our Luminex Assay Customization Tool. We also offer Custom Luminex Services.
Assays for the Luminex platform are offered as High Performance Assays or Assays. The Luminex High Performance Assays are fully validated panels with a focused selection of analytes. They are available in We Mix, You Mix, and Predetermined formats. The Luminex Assays allows for the maximum number of analytes in a multiplex and is supplied as a premixed kit. View a table comparing the features and benefits of these bead-based multiplex assays.
Background: Myeloperoxidase/MPO
Myeloperoxidase (MPO) is a heme-containing enzyme belonging to the XPO subfamily of peroxidases. It is an abundant neutrophil and monocyte glycoprotein that catalyzes the hydrogen peroxide dependent formation of hypochlorus acid (HOCl) and other reactive species. Enzymatically active MPO is a disulfide-linked tetramer that contains two heme groups and two copies each of the heavy and light chains. MPO binds Albumin, MMR, Cytokeratin 1 on vascular endothelial cells, HMW Kininogen, and Integrin CD11b/CD18 on neutrophils. These interactions promote MPO clearance, a reduction of nitric oxide and bradykinin levels, reduced vasodilation, and continued neutrophil activation. Neutrophil MPO is stored in cytoplasmic azurophilic granules. Upon cellular activation and degranulation, MPO is delivered into phagosomes where it is required for the killing of phagocytosed bacteria. Activated neutrophils also release granule contents extracellularly. Elevated plasma MPO levels have been associated with a variety of clinical conditions including systemic inflammation, eclampsia, risk of cardiovascular events, vascular endothelial dysfunction, severity of multiple sclerosis, and prospective mortality and oxidative stress during hemodialysis.
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