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| | Enzyme (COXs) Inhibition Assay |
| Description: | The inhibitory effects of candidate compounds on COX-1 and COX-2 were determined using COX inhibitor screening test kits, testing each compound's capacity to inhibit the conversion of arachidonic acid to prostaglandin. In test tubes, 25 mM Tris-HCl, pH 8.0, containing 5 mM EDTA, phenol, and 1 mM hematin was added. The test compounds were dissolved in DMSO and added in concentrations ranging from 0.005-200 μM. Dimethyl sulfoxide alone was applied to control test containers. COX-1 or COX-2 enzymes were added to the test tubes, which were then preincubated for 10 minutes at 37° C. The arachidonic acid substrate was added, and the tubes were further incubated at 37° C. for 2 minutes. The compound's immunochemical assay was used to calculate the amount of prostaglandin produced. Three separate experiments were used to calculate the IC50 values. |
| Affinity data for this assay | |
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