Assay Method Information

Assay Name:  In Vitro Determination of sEH Inhibition Activity Assay
Description:  The fluorescent assay was used with purified recombinant human or mouse sEH proteins. The enzymes were incubated at 30° C. with the inhibitors ([I]final=0.4-100,000 nM) for 5 min in 100 mM sodium phosphate buffer (200 μL, pH 7.4) containing 0.1 mg/mL of BSA and 1% of DMSO. The substrate (CMNPC) was then added ([S]final=5 μM). Activity was assessed by measuring the appearance of the fluorescent 6-methoxynaphthaldehyde product (λex=330 nm, λem=465 nm) every 30 seconds for 10 min at 30° C. on a SpectraMax M2 (Molecular Devices). Results were obtained by regression analysis from a linear region of the curve. All measurements were performed in triplicate and the mean is reported. t-TUCB, a classic sEH inhibitor, was run in parallel and the obtained IC50s were corroborated with reported literature values, to validate the experimental results.
Affinity data for this assay
 

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