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AAT Bioquest

Lysyl Oxidase (LOX)

Lysyl oxidase dose response
Lysyl oxidase dose response was measured in a solid black 96-well plate with the Amplite® Fluorimetric Lysyl Oxidase Assay Kit. As low as 40 ng/well of lysyl oxidase can be detected with 30 minutes incubation (n=3).
Lysyl oxidase (LOX) is an extracellular enzyme that catalyzes formation of aldehydes from lysine residues in collagen and elastin precursors. These aldehydes are highly reactive, and undergo spontaneous chemical reactions with other lysyl oxidase-derived aldehyde residues, or with unmodified lysine residues. This results in cross-linking collagen and elastin which is essential for the stabilization of collagen fibrils and for the integrity and elasticity of mature elastin. Lysyl oxidase has been identified as a possible tumor suppressor. Lysyl oxidase activity in biological samples is traditionally and most reliably assessed by tritium release end-point assays using radiolabeled collagen or elastin substrates involving laborious vacuum distillation of the released tritiated water. Amplite® Fluorimetric Lysyl Oxidase Assay Kit offers a sensitive fluorescent assay to measure LOX activity using our proprietary LOX substrate that releases hydrogen peroxide upon LOX oxidation. The amount of hydrogen peroxide released by the LOX oxidation is detected using our Amplite® HRP substrate in the HRP-coupled reactions. This method allows the detection of sub ng/mL lysyl oxidase and is much more sensitive than the currently available fluorimetric assay for the LOX enzyme activity. It can be readily used to detect lysyl oxidase activity in cell culture experiments. Please note that the kit does not include the lysyl oxidase enzyme.
 

Table 1. Lysyl Oxidase Ordering Information

Cat No.
Product Name
Ex (nm)
Em (nm)
Unit Size
15255Amplite® Fluorimetric Lysyl Oxidase Assay Kit *Red Fluorescence* 571585500 Tests