| Assay Method Information | |
| | Biochemical Assay |
| Description: | A hydroxyprostaglandin dehydrogenase inhibition screening biochemical assay can be performed to assess the synthesized inhibitors provided herein. Provided herein is an exemplary biochemical assay for hPGDH inhibitor screening.The in vitro biochemical assay can be performed in white, 384 plates in total 20 μl reaction volume consisting of 10 nM of 15-PGDH/HPGD (R&D System #5660-DH), 15 μM Prostaglandin E2 (Sigma, Cat #P5640-10MG) and 0.25 mM (3-Nicotinamide adenine dinucleotide sodium salt (Sigma, Cat #N0632-5G) made in reaction buffer (50 mM Tris-HCl, pH 7.5, 0.01% Tween 20) at 10-point dose response curve for test/tool compounds. Briefly, 5 μl (4×) of compounds solution and 5 μl (final concentration, 10 nM) of enzyme solution is added to white 384 well plates and incubated for 10 mins at 37° C. 5 μl (4×) of Prostaglandin E2 and 5 μl (4×) of β-Nicotinamide adenine dinucleotide sodium salt is added to the wells and incubated for 10 mins at room temperature. Fluorescence is recorded at ex/em=340 nm/485 nm. The percentage (%) inhibition of enzyme activity was determined relative to positive control (1% DMSO) and IC50 was calculated using GraphPad prism software (four parameter-variable slope equation). |
| Affinity data for this assay | |
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